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-rw-r--r--tools/gpio/Makefile2
-rw-r--r--tools/gpio/lsgpio.c2
-rw-r--r--tools/hv/lsvmbus1
-rw-r--r--tools/iio/generic_buffer.c116
-rw-r--r--tools/iio/iio_event_monitor.c18
-rw-r--r--tools/iio/iio_utils.h7
-rw-r--r--tools/perf/arch/powerpc/include/perf_regs.h69
-rw-r--r--tools/perf/arch/powerpc/util/Build2
-rw-r--r--tools/perf/arch/powerpc/util/perf_regs.c49
-rw-r--r--tools/perf/arch/powerpc/util/unwind-libunwind.c96
-rw-r--r--tools/perf/config/Makefile6
-rw-r--r--tools/perf/tests/openat-syscall-all-cpus.c2
-rw-r--r--tools/perf/util/evsel.c2
-rw-r--r--tools/perf/util/machine.c2
-rw-r--r--tools/perf/util/parse-events.c2
-rw-r--r--tools/perf/util/perf_regs.c8
-rw-r--r--tools/perf/util/session.c2
-rw-r--r--tools/power/acpi/os_specific/service_layers/oslinuxtbl.c47
-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixmap.c2
-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixxf.c24
-rw-r--r--tools/power/acpi/tools/acpidbg/acpidbg.c4
-rw-r--r--tools/power/acpi/tools/acpidump/Makefile1
-rw-r--r--tools/power/acpi/tools/acpidump/apdump.c13
-rw-r--r--tools/power/acpi/tools/acpidump/apmain.c3
-rw-r--r--tools/power/cpupower/Makefile12
-rw-r--r--tools/power/cpupower/bench/Makefile2
-rw-r--r--tools/power/cpupower/bench/README-BENCH2
-rw-r--r--tools/power/cpupower/bench/benchmark.c4
-rw-r--r--tools/power/cpupower/bench/parse.c20
-rw-r--r--tools/power/cpupower/bench/system.c3
-rw-r--r--tools/power/cpupower/lib/cpufreq.c550
-rw-r--r--tools/power/cpupower/lib/cpufreq.h59
-rw-r--r--tools/power/cpupower/lib/cpuidle.c380
-rw-r--r--tools/power/cpupower/lib/cpuidle.h23
-rw-r--r--tools/power/cpupower/lib/cpupower.c192
-rw-r--r--tools/power/cpupower/lib/cpupower.h35
-rw-r--r--tools/power/cpupower/lib/cpupower_intern.h5
-rw-r--r--tools/power/cpupower/lib/sysfs.c672
-rw-r--r--tools/power/cpupower/lib/sysfs.h31
-rw-r--r--tools/power/cpupower/man/cpupower-frequency-info.12
-rw-r--r--tools/power/cpupower/man/cpupower-frequency-set.12
-rw-r--r--tools/power/cpupower/man/cpupower-idle-info.12
-rw-r--r--tools/power/cpupower/man/cpupower-idle-set.12
-rw-r--r--tools/power/cpupower/utils/cpufreq-set.c8
-rw-r--r--tools/power/cpupower/utils/cpuidle-info.c32
-rw-r--r--tools/power/cpupower/utils/cpuidle-set.c26
-rw-r--r--tools/power/cpupower/utils/helpers/helpers.h26
-rw-r--r--tools/power/cpupower/utils/helpers/topology.c107
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c12
-rw-r--r--tools/testing/nvdimm/Kbuild11
-rw-r--r--tools/testing/nvdimm/config_check.c2
-rw-r--r--tools/testing/nvdimm/test/iomap.c27
-rw-r--r--tools/testing/nvdimm/test/nfit.c90
-rw-r--r--tools/testing/radix-tree/Makefile4
-rw-r--r--tools/testing/radix-tree/generated/autoconf.h3
-rw-r--r--tools/testing/radix-tree/linux/init.h1
-rw-r--r--tools/testing/radix-tree/linux/kernel.h15
-rw-r--r--tools/testing/radix-tree/linux/slab.h1
-rw-r--r--tools/testing/radix-tree/linux/types.h7
-rw-r--r--tools/testing/radix-tree/main.c84
-rw-r--r--tools/testing/radix-tree/multiorder.c337
-rw-r--r--tools/testing/radix-tree/regression2.c7
-rw-r--r--tools/testing/radix-tree/tag_check.c10
-rw-r--r--tools/testing/radix-tree/test.c49
-rw-r--r--tools/testing/radix-tree/test.h11
-rwxr-xr-xtools/testing/selftests/ftrace/ftracetest9
-rw-r--r--tools/testing/selftests/ftrace/test.d/event/event-pid.tc72
-rw-r--r--tools/testing/selftests/ftrace/test.d/functions9
-rw-r--r--tools/testing/selftests/ftrace/test.d/instances/instance-event.tc138
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc64
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc59
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc75
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc83
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc73
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc56
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc53
-rw-r--r--tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc58
-rwxr-xr-xtools/testing/selftests/intel_pstate/run.sh2
-rw-r--r--tools/testing/selftests/powerpc/Makefile1
-rw-r--r--tools/testing/selftests/powerpc/context_switch/.gitignore1
-rw-r--r--tools/testing/selftests/powerpc/context_switch/Makefile10
-rw-r--r--tools/testing/selftests/powerpc/context_switch/cp_abort.c110
-rw-r--r--tools/testing/selftests/powerpc/mm/subpage_prot.c18
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/ebb.c1
-rw-r--r--tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c1
-rw-r--r--tools/testing/selftests/powerpc/reg.h (renamed from tools/testing/selftests/powerpc/pmu/ebb/reg.h)18
-rw-r--r--tools/testing/selftests/powerpc/tm/.gitignore3
-rw-r--r--tools/testing/selftests/powerpc/tm/Makefile3
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-fork.c42
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-resched-dscr.c16
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-signal-stack.c4
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-tar.c90
-rw-r--r--tools/testing/selftests/powerpc/tm/tm-tmspr.c143
-rw-r--r--tools/testing/selftests/powerpc/utils.h8
-rw-r--r--tools/testing/selftests/seccomp/seccomp_bpf.c38
-rw-r--r--tools/testing/selftests/vm/thuge-gen.c2
-rw-r--r--tools/usb/usbip/libsrc/Makefile.am4
-rw-r--r--tools/usb/usbip/libsrc/usbip_common.h3
-rw-r--r--tools/usb/usbip/libsrc/usbip_device_driver.c163
-rw-r--r--tools/usb/usbip/libsrc/usbip_device_driver.h34
-rw-r--r--tools/usb/usbip/libsrc/usbip_host_common.c273
-rw-r--r--tools/usb/usbip/libsrc/usbip_host_common.h104
-rw-r--r--tools/usb/usbip/libsrc/usbip_host_driver.c269
-rw-r--r--tools/usb/usbip/libsrc/usbip_host_driver.h27
-rw-r--r--tools/usb/usbip/src/usbip_attach.c10
-rw-r--r--tools/usb/usbip/src/usbip_list.c96
-rw-r--r--tools/usb/usbip/src/usbip_port.c13
-rw-r--r--tools/usb/usbip/src/usbipd.c42
-rw-r--r--tools/virtio/ringtest/Makefile5
-rw-r--r--tools/virtio/ringtest/main.c2
-rw-r--r--tools/virtio/ringtest/virtio_ring_0_9.c49
-rw-r--r--tools/virtio/ringtest/virtio_ring_inorder.c2
112 files changed, 4312 insertions, 1392 deletions
diff --git a/tools/gpio/Makefile b/tools/gpio/Makefile
index 4d198d5c4203..c155d6bc47a7 100644
--- a/tools/gpio/Makefile
+++ b/tools/gpio/Makefile
@@ -1,5 +1,5 @@
CC = $(CROSS_COMPILE)gcc
-CFLAGS += -Wall -g -D_GNU_SOURCE
+CFLAGS += -O2 -Wall -g -D_GNU_SOURCE
all: lsgpio
diff --git a/tools/gpio/lsgpio.c b/tools/gpio/lsgpio.c
index 1124da375942..eb3f56efd215 100644
--- a/tools/gpio/lsgpio.c
+++ b/tools/gpio/lsgpio.c
@@ -147,7 +147,7 @@ void print_usage(void)
int main(int argc, char **argv)
{
- const char *device_name;
+ const char *device_name = NULL;
int ret;
int c;
diff --git a/tools/hv/lsvmbus b/tools/hv/lsvmbus
index 162a3784d80e..e8fecd61871f 100644
--- a/tools/hv/lsvmbus
+++ b/tools/hv/lsvmbus
@@ -35,6 +35,7 @@ vmbus_dev_dict = {
'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
+ '{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through',
'{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
'{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
index 01c4f67801e0..2429c78de940 100644
--- a/tools/iio/generic_buffer.c
+++ b/tools/iio/generic_buffer.c
@@ -35,6 +35,15 @@
#include "iio_utils.h"
/**
+ * enum autochan - state for the automatic channel enabling mechanism
+ */
+enum autochan {
+ AUTOCHANNELS_DISABLED,
+ AUTOCHANNELS_ENABLED,
+ AUTOCHANNELS_ACTIVE,
+};
+
+/**
* size_from_channelarray() - calculate the storage size of a scan
* @channels: the channel info array
* @num_channels: number of channels
@@ -191,10 +200,51 @@ void process_scan(char *data,
printf("\n");
}
+static int enable_disable_all_channels(char *dev_dir_name, int enable)
+{
+ const struct dirent *ent;
+ char scanelemdir[256];
+ DIR *dp;
+ int ret;
+
+ snprintf(scanelemdir, sizeof(scanelemdir),
+ FORMAT_SCAN_ELEMENTS_DIR, dev_dir_name);
+ scanelemdir[sizeof(scanelemdir)-1] = '\0';
+
+ dp = opendir(scanelemdir);
+ if (!dp) {
+ fprintf(stderr, "Enabling/disabling channels: can't open %s\n",
+ scanelemdir);
+ return -EIO;
+ }
+
+ ret = -ENOENT;
+ while (ent = readdir(dp), ent) {
+ if (iioutils_check_suffix(ent->d_name, "_en")) {
+ printf("%sabling: %s\n",
+ enable ? "En" : "Dis",
+ ent->d_name);
+ ret = write_sysfs_int(ent->d_name, scanelemdir,
+ enable);
+ if (ret < 0)
+ fprintf(stderr, "Failed to enable/disable %s\n",
+ ent->d_name);
+ }
+ }
+
+ if (closedir(dp) == -1) {
+ perror("Enabling/disabling channels: "
+ "Failed to close directory");
+ return -errno;
+ }
+ return 0;
+}
+
void print_usage(void)
{
fprintf(stderr, "Usage: generic_buffer [options]...\n"
"Capture, convert and output data from IIO device buffer\n"
+ " -a Auto-activate all available channels\n"
" -c <n> Do n conversions\n"
" -e Disable wait for event (new data)\n"
" -g Use trigger-less mode\n"
@@ -225,12 +275,16 @@ int main(int argc, char **argv)
int scan_size;
int noevents = 0;
int notrigger = 0;
+ enum autochan autochannels = AUTOCHANNELS_DISABLED;
char *dummy;
struct iio_channel_info *channels;
- while ((c = getopt(argc, argv, "c:egl:n:t:w:")) != -1) {
+ while ((c = getopt(argc, argv, "ac:egl:n:t:w:")) != -1) {
switch (c) {
+ case 'a':
+ autochannels = AUTOCHANNELS_ENABLED;
+ break;
case 'c':
errno = 0;
num_loops = strtoul(optarg, &dummy, 10);
@@ -304,7 +358,19 @@ int main(int argc, char **argv)
}
}
- /* Verify the trigger exists */
+ /* Look for this "-devN" trigger */
+ trig_num = find_type_by_name(trigger_name, "trigger");
+ if (trig_num < 0) {
+ /* OK try the simpler "-trigger" suffix instead */
+ free(trigger_name);
+ ret = asprintf(&trigger_name,
+ "%s-trigger", device_name);
+ if (ret < 0) {
+ ret = -ENOMEM;
+ goto error_free_dev_dir_name;
+ }
+ }
+
trig_num = find_type_by_name(trigger_name, "trigger");
if (trig_num < 0) {
fprintf(stderr, "Failed to find the trigger %s\n",
@@ -328,12 +394,47 @@ int main(int argc, char **argv)
"diag %s\n", dev_dir_name);
goto error_free_triggername;
}
- if (!num_channels) {
+ if (num_channels && autochannels == AUTOCHANNELS_ENABLED) {
+ fprintf(stderr, "Auto-channels selected but some channels "
+ "are already activated in sysfs\n");
+ fprintf(stderr, "Proceeding without activating any channels\n");
+ }
+
+ if (!num_channels && autochannels == AUTOCHANNELS_ENABLED) {
+ fprintf(stderr,
+ "No channels are enabled, enabling all channels\n");
+
+ ret = enable_disable_all_channels(dev_dir_name, 1);
+ if (ret) {
+ fprintf(stderr, "Failed to enable all channels\n");
+ goto error_free_triggername;
+ }
+
+ /* This flags that we need to disable the channels again */
+ autochannels = AUTOCHANNELS_ACTIVE;
+
+ ret = build_channel_array(dev_dir_name, &channels,
+ &num_channels);
+ if (ret) {
+ fprintf(stderr, "Problem reading scan element "
+ "information\n"
+ "diag %s\n", dev_dir_name);
+ goto error_disable_channels;
+ }
+ if (!num_channels) {
+ fprintf(stderr, "Still no channels after "
+ "auto-enabling, giving up\n");
+ goto error_disable_channels;
+ }
+ }
+
+ if (!num_channels && autochannels == AUTOCHANNELS_DISABLED) {
fprintf(stderr,
"No channels are enabled, we have nothing to scan.\n");
fprintf(stderr, "Enable channels manually in "
FORMAT_SCAN_ELEMENTS_DIR
- "/*_en and try again.\n", dev_dir_name);
+ "/*_en or pass -a to autoenable channels and "
+ "try again.\n", dev_dir_name);
ret = -ENOENT;
goto error_free_triggername;
}
@@ -467,7 +568,12 @@ error_free_channels:
error_free_triggername:
if (datardytrigger)
free(trigger_name);
-
+error_disable_channels:
+ if (autochannels == AUTOCHANNELS_ACTIVE) {
+ ret = enable_disable_all_channels(dev_dir_name, 0);
+ if (ret)
+ fprintf(stderr, "Failed to disable all channels\n");
+ }
error_free_dev_dir_name:
free(dev_dir_name);
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index d51eb04202e9..d9b7e0f306c6 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -53,6 +53,10 @@ static const char * const iio_chan_type_name_spec[] = {
[IIO_ENERGY] = "energy",
[IIO_DISTANCE] = "distance",
[IIO_VELOCITY] = "velocity",
+ [IIO_CONCENTRATION] = "concentration",
+ [IIO_RESISTANCE] = "resistance",
+ [IIO_PH] = "ph",
+ [IIO_UVINDEX] = "uvindex",
};
static const char * const iio_ev_type_text[] = {
@@ -90,6 +94,7 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_LIGHT_RED] = "red",
[IIO_MOD_LIGHT_GREEN] = "green",
[IIO_MOD_LIGHT_BLUE] = "blue",
+ [IIO_MOD_LIGHT_UV] = "uv",
[IIO_MOD_QUATERNION] = "quaternion",
[IIO_MOD_TEMP_AMBIENT] = "ambient",
[IIO_MOD_TEMP_OBJECT] = "object",
@@ -102,6 +107,10 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_WALKING] = "walking",
[IIO_MOD_STILL] = "still",
[IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z] = "sqrt(x^2+y^2+z^2)",
+ [IIO_MOD_I] = "i",
+ [IIO_MOD_Q] = "q",
+ [IIO_MOD_CO2] = "co2",
+ [IIO_MOD_VOC] = "voc",
};
static bool event_is_known(struct iio_event_data *event)
@@ -136,6 +145,10 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_ENERGY:
case IIO_DISTANCE:
case IIO_VELOCITY:
+ case IIO_CONCENTRATION:
+ case IIO_RESISTANCE:
+ case IIO_PH:
+ case IIO_UVINDEX:
break;
default:
return false;
@@ -162,6 +175,7 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_MOD_LIGHT_RED:
case IIO_MOD_LIGHT_GREEN:
case IIO_MOD_LIGHT_BLUE:
+ case IIO_MOD_LIGHT_UV:
case IIO_MOD_QUATERNION:
case IIO_MOD_TEMP_AMBIENT:
case IIO_MOD_TEMP_OBJECT:
@@ -174,6 +188,10 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_MOD_WALKING:
case IIO_MOD_STILL:
case IIO_MOD_ROOT_SUM_SQUARED_X_Y_Z:
+ case IIO_MOD_I:
+ case IIO_MOD_Q:
+ case IIO_MOD_CO2:
+ case IIO_MOD_VOC:
break;
default:
return false;
diff --git a/tools/iio/iio_utils.h b/tools/iio/iio_utils.h
index e3503bfe538b..780f2014f8fa 100644
--- a/tools/iio/iio_utils.h
+++ b/tools/iio/iio_utils.h
@@ -52,6 +52,13 @@ struct iio_channel_info {
unsigned location;
};
+static inline int iioutils_check_suffix(const char *str, const char *suffix)
+{
+ return strlen(str) >= strlen(suffix) &&
+ strncmp(str+strlen(str)-strlen(suffix),
+ suffix, strlen(suffix)) == 0;
+}
+
int iioutils_break_up_name(const char *full_name, char **generic_name);
int iioutils_get_type(unsigned *is_signed, unsigned *bytes, unsigned *bits_used,
unsigned *shift, uint64_t *mask, unsigned *be,
diff --git a/tools/perf/arch/powerpc/include/perf_regs.h b/tools/perf/arch/powerpc/include/perf_regs.h
new file mode 100644
index 000000000000..75de0e92e71e
--- /dev/null
+++ b/tools/perf/arch/powerpc/include/perf_regs.h
@@ -0,0 +1,69 @@
+#ifndef ARCH_PERF_REGS_H
+#define ARCH_PERF_REGS_H
+
+#include <stdlib.h>
+#include <linux/types.h>
+#include <asm/perf_regs.h>
+
+#define PERF_REGS_MASK ((1ULL << PERF_REG_POWERPC_MAX) - 1)
+#define PERF_REGS_MAX PERF_REG_POWERPC_MAX
+#ifdef __powerpc64__
+ #define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_64
+#else
+ #define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
+#endif
+
+#define PERF_REG_IP PERF_REG_POWERPC_NIP
+#define PERF_REG_SP PERF_REG_POWERPC_R1
+
+static const char *reg_names[] = {
+ [PERF_REG_POWERPC_R0] = "r0",
+ [PERF_REG_POWERPC_R1] = "r1",
+ [PERF_REG_POWERPC_R2] = "r2",
+ [PERF_REG_POWERPC_R3] = "r3",
+ [PERF_REG_POWERPC_R4] = "r4",
+ [PERF_REG_POWERPC_R5] = "r5",
+ [PERF_REG_POWERPC_R6] = "r6",
+ [PERF_REG_POWERPC_R7] = "r7",
+ [PERF_REG_POWERPC_R8] = "r8",
+ [PERF_REG_POWERPC_R9] = "r9",
+ [PERF_REG_POWERPC_R10] = "r10",
+ [PERF_REG_POWERPC_R11] = "r11",
+ [PERF_REG_POWERPC_R12] = "r12",
+ [PERF_REG_POWERPC_R13] = "r13",
+ [PERF_REG_POWERPC_R14] = "r14",
+ [PERF_REG_POWERPC_R15] = "r15",
+ [PERF_REG_POWERPC_R16] = "r16",
+ [PERF_REG_POWERPC_R17] = "r17",
+ [PERF_REG_POWERPC_R18] = "r18",
+ [PERF_REG_POWERPC_R19] = "r19",
+ [PERF_REG_POWERPC_R20] = "r20",
+ [PERF_REG_POWERPC_R21] = "r21",
+ [PERF_REG_POWERPC_R22] = "r22",
+ [PERF_REG_POWERPC_R23] = "r23",
+ [PERF_REG_POWERPC_R24] = "r24",
+ [PERF_REG_POWERPC_R25] = "r25",
+ [PERF_REG_POWERPC_R26] = "r26",
+ [PERF_REG_POWERPC_R27] = "r27",
+ [PERF_REG_POWERPC_R28] = "r28",
+ [PERF_REG_POWERPC_R29] = "r29",
+ [PERF_REG_POWERPC_R30] = "r30",
+ [PERF_REG_POWERPC_R31] = "r31",
+ [PERF_REG_POWERPC_NIP] = "nip",
+ [PERF_REG_POWERPC_MSR] = "msr",
+ [PERF_REG_POWERPC_ORIG_R3] = "orig_r3",
+ [PERF_REG_POWERPC_CTR] = "ctr",
+ [PERF_REG_POWERPC_LINK] = "link",
+ [PERF_REG_POWERPC_XER] = "xer",
+ [PERF_REG_POWERPC_CCR] = "ccr",
+ [PERF_REG_POWERPC_SOFTE] = "softe",
+ [PERF_REG_POWERPC_TRAP] = "trap",
+ [PERF_REG_POWERPC_DAR] = "dar",
+ [PERF_REG_POWERPC_DSISR] = "dsisr"
+};
+
+static inline const char *perf_reg_name(int id)
+{
+ return reg_names[id];
+}
+#endif /* ARCH_PERF_REGS_H */
diff --git a/tools/perf/arch/powerpc/util/Build b/tools/perf/arch/powerpc/util/Build
index c8fe2074d217..90ad64b231cd 100644
--- a/tools/perf/arch/powerpc/util/Build
+++ b/tools/perf/arch/powerpc/util/Build
@@ -1,6 +1,8 @@
libperf-y += header.o
libperf-y += sym-handling.o
libperf-y += kvm-stat.o
+libperf-y += perf_regs.o
libperf-$(CONFIG_DWARF) += dwarf-regs.o
libperf-$(CONFIG_DWARF) += skip-callchain-idx.o
+libperf-$(CONFIG_LIBUNWIND) += unwind-libunwind.o
diff --git a/tools/perf/arch/powerpc/util/perf_regs.c b/tools/perf/arch/powerpc/util/perf_regs.c
new file mode 100644
index 000000000000..a3c3e1ce6807
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/perf_regs.c
@@ -0,0 +1,49 @@
+#include "../../perf.h"
+#include "../../util/perf_regs.h"
+
+const struct sample_reg sample_reg_masks[] = {
+ SMPL_REG(r0, PERF_REG_POWERPC_R0),
+ SMPL_REG(r1, PERF_REG_POWERPC_R1),
+ SMPL_REG(r2, PERF_REG_POWERPC_R2),
+ SMPL_REG(r3, PERF_REG_POWERPC_R3),
+ SMPL_REG(r4, PERF_REG_POWERPC_R4),
+ SMPL_REG(r5, PERF_REG_POWERPC_R5),
+ SMPL_REG(r6, PERF_REG_POWERPC_R6),
+ SMPL_REG(r7, PERF_REG_POWERPC_R7),
+ SMPL_REG(r8, PERF_REG_POWERPC_R8),
+ SMPL_REG(r9, PERF_REG_POWERPC_R9),
+ SMPL_REG(r10, PERF_REG_POWERPC_R10),
+ SMPL_REG(r11, PERF_REG_POWERPC_R11),
+ SMPL_REG(r12, PERF_REG_POWERPC_R12),
+ SMPL_REG(r13, PERF_REG_POWERPC_R13),
+ SMPL_REG(r14, PERF_REG_POWERPC_R14),
+ SMPL_REG(r15, PERF_REG_POWERPC_R15),
+ SMPL_REG(r16, PERF_REG_POWERPC_R16),
+ SMPL_REG(r17, PERF_REG_POWERPC_R17),
+ SMPL_REG(r18, PERF_REG_POWERPC_R18),
+ SMPL_REG(r19, PERF_REG_POWERPC_R19),
+ SMPL_REG(r20, PERF_REG_POWERPC_R20),
+ SMPL_REG(r21, PERF_REG_POWERPC_R21),
+ SMPL_REG(r22, PERF_REG_POWERPC_R22),
+ SMPL_REG(r23, PERF_REG_POWERPC_R23),
+ SMPL_REG(r24, PERF_REG_POWERPC_R24),
+ SMPL_REG(r25, PERF_REG_POWERPC_R25),
+ SMPL_REG(r26, PERF_REG_POWERPC_R26),
+ SMPL_REG(r27, PERF_REG_POWERPC_R27),
+ SMPL_REG(r28, PERF_REG_POWERPC_R28),
+ SMPL_REG(r29, PERF_REG_POWERPC_R29),
+ SMPL_REG(r30, PERF_REG_POWERPC_R30),
+ SMPL_REG(r31, PERF_REG_POWERPC_R31),
+ SMPL_REG(nip, PERF_REG_POWERPC_NIP),
+ SMPL_REG(msr, PERF_REG_POWERPC_MSR),
+ SMPL_REG(orig_r3, PERF_REG_POWERPC_ORIG_R3),
+ SMPL_REG(ctr, PERF_REG_POWERPC_CTR),
+ SMPL_REG(link, PERF_REG_POWERPC_LINK),
+ SMPL_REG(xer, PERF_REG_POWERPC_XER),
+ SMPL_REG(ccr, PERF_REG_POWERPC_CCR),
+ SMPL_REG(softe, PERF_REG_POWERPC_SOFTE),
+ SMPL_REG(trap, PERF_REG_POWERPC_TRAP),
+ SMPL_REG(dar, PERF_REG_POWERPC_DAR),
+ SMPL_REG(dsisr, PERF_REG_POWERPC_DSISR),
+ SMPL_REG_END
+};
diff --git a/tools/perf/arch/powerpc/util/unwind-libunwind.c b/tools/perf/arch/powerpc/util/unwind-libunwind.c
new file mode 100644
index 000000000000..9e15f92ae49f
--- /dev/null
+++ b/tools/perf/arch/powerpc/util/unwind-libunwind.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2016 Chandan Kumar, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <errno.h>
+#include <libunwind.h>
+#include <asm/perf_regs.h>
+#include "../../util/unwind.h"
+#include "../../util/debug.h"
+
+int libunwind__arch_reg_id(int regnum)
+{
+ switch (regnum) {
+ case UNW_PPC64_R0:
+ return PERF_REG_POWERPC_R0;
+ case UNW_PPC64_R1:
+ return PERF_REG_POWERPC_R1;
+ case UNW_PPC64_R2:
+ return PERF_REG_POWERPC_R2;
+ case UNW_PPC64_R3:
+ return PERF_REG_POWERPC_R3;
+ case UNW_PPC64_R4:
+ return PERF_REG_POWERPC_R4;
+ case UNW_PPC64_R5:
+ return PERF_REG_POWERPC_R5;
+ case UNW_PPC64_R6:
+ return PERF_REG_POWERPC_R6;
+ case UNW_PPC64_R7:
+ return PERF_REG_POWERPC_R7;
+ case UNW_PPC64_R8:
+ return PERF_REG_POWERPC_R8;
+ case UNW_PPC64_R9:
+ return PERF_REG_POWERPC_R9;
+ case UNW_PPC64_R10:
+ return PERF_REG_POWERPC_R10;
+ case UNW_PPC64_R11:
+ return PERF_REG_POWERPC_R11;
+ case UNW_PPC64_R12:
+ return PERF_REG_POWERPC_R12;
+ case UNW_PPC64_R13:
+ return PERF_REG_POWERPC_R13;
+ case UNW_PPC64_R14:
+ return PERF_REG_POWERPC_R14;
+ case UNW_PPC64_R15:
+ return PERF_REG_POWERPC_R15;
+ case UNW_PPC64_R16:
+ return PERF_REG_POWERPC_R16;
+ case UNW_PPC64_R17:
+ return PERF_REG_POWERPC_R17;
+ case UNW_PPC64_R18:
+ return PERF_REG_POWERPC_R18;
+ case UNW_PPC64_R19:
+ return PERF_REG_POWERPC_R19;
+ case UNW_PPC64_R20:
+ return PERF_REG_POWERPC_R20;
+ case UNW_PPC64_R21:
+ return PERF_REG_POWERPC_R21;
+ case UNW_PPC64_R22:
+ return PERF_REG_POWERPC_R22;
+ case UNW_PPC64_R23:
+ return PERF_REG_POWERPC_R23;
+ case UNW_PPC64_R24:
+ return PERF_REG_POWERPC_R24;
+ case UNW_PPC64_R25:
+ return PERF_REG_POWERPC_R25;
+ case UNW_PPC64_R26:
+ return PERF_REG_POWERPC_R26;
+ case UNW_PPC64_R27:
+ return PERF_REG_POWERPC_R27;
+ case UNW_PPC64_R28:
+ return PERF_REG_POWERPC_R28;
+ case UNW_PPC64_R29:
+ return PERF_REG_POWERPC_R29;
+ case UNW_PPC64_R30:
+ return PERF_REG_POWERPC_R30;
+ case UNW_PPC64_R31:
+ return PERF_REG_POWERPC_R31;
+ case UNW_PPC64_LR:
+ return PERF_REG_POWERPC_LINK;
+ case UNW_PPC64_CTR:
+ return PERF_REG_POWERPC_CTR;
+ case UNW_PPC64_XER:
+ return PERF_REG_POWERPC_XER;
+ case UNW_PPC64_NIP:
+ return PERF_REG_POWERPC_NIP;
+ default:
+ pr_err("unwind: invalid reg id %d\n", regnum);
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
diff --git a/tools/perf/config/Makefile b/tools/perf/config/Makefile
index 1e46277286c2..5ad0255f8756 100644
--- a/tools/perf/config/Makefile
+++ b/tools/perf/config/Makefile
@@ -23,6 +23,12 @@ $(call detected_var,ARCH)
NO_PERF_REGS := 1
+# Additional ARCH settings for ppc
+ifeq ($(ARCH),powerpc)
+ NO_PERF_REGS := 0
+ LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
+endif
+
# Additional ARCH settings for x86
ifeq ($(ARCH),x86)
$(call detected,CONFIG_X86)
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c
index 53c2273e8859..ad1cb63139a7 100644
--- a/tools/perf/tests/openat-syscall-all-cpus.c
+++ b/tools/perf/tests/openat-syscall-all-cpus.c
@@ -73,7 +73,7 @@ int test__openat_syscall_event_on_all_cpus(int subtest __maybe_unused)
}
/*
- * Here we need to explicitely preallocate the counts, as if
+ * Here we need to explicitly preallocate the counts, as if
* we use the auto allocation it will allocate just for 1 cpu,
* as we start by cpu 0.
*/
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 964c7c3602c0..52c7d8884741 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -827,7 +827,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
perf_evsel__set_sample_bit(evsel, PERIOD);
/*
- * When the user explicitely disabled time don't force it here.
+ * When the user explicitly disabled time don't force it here.
*/
if (opts->sample_time &&
(!perf_missing_features.sample_id_all &&
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 639a2903065e..f9644f79686c 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -362,7 +362,7 @@ out_err:
}
/*
- * Caller must eventually drop thread->refcnt returned with a successfull
+ * Caller must eventually drop thread->refcnt returned with a successful
* lookup/new thread inserted.
*/
static struct thread *____machine__findnew_thread(struct machine *machine,
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index bcbc983d4b12..c6fd0479f4cd 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1649,7 +1649,7 @@ static void parse_events_print_error(struct parse_events_error *err,
buf = _buf;
- /* We're cutting from the beggining. */
+ /* We're cutting from the beginning. */
if (err->idx > max_err_idx)
cut = err->idx - max_err_idx;
diff --git a/tools/perf/util/perf_regs.c b/tools/perf/util/perf_regs.c
index 6b8eb13e14e4..c4023f22f287 100644
--- a/tools/perf/util/perf_regs.c
+++ b/tools/perf/util/perf_regs.c
@@ -12,18 +12,18 @@ int perf_reg_value(u64 *valp, struct regs_dump *regs, int id)
int i, idx = 0;
u64 mask = regs->mask;
- if (regs->cache_mask & (1 << id))
+ if (regs->cache_mask & (1ULL << id))
goto out;
- if (!(mask & (1 << id)))
+ if (!(mask & (1ULL << id)))
return -EINVAL;
for (i = 0; i < id; i++) {
- if (mask & (1 << i))
+ if (mask & (1ULL << i))
idx++;
}
- regs->cache_mask |= (1 << id);
+ regs->cache_mask |= (1ULL << id);
regs->cache_regs[id] = regs->regs[idx];
out:
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2335b2824d8a..5214974e841a 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -557,7 +557,7 @@ static u8 revbyte(u8 b)
/*
* XXX this is hack in attempt to carry flags bitfield
- * throught endian village. ABI says:
+ * through endian village. ABI says:
*
* Bit-fields are allocated from right to left (least to most significant)
* on little-endian implementations and from left to right (most to least
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index d0e6b857d8d1..546cf4a503b7 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -91,7 +91,7 @@ osl_get_customized_table(char *pathname,
char *signature,
u32 instance,
struct acpi_table_header **table,
- acpi_physical_address * address);
+ acpi_physical_address *address);
static acpi_status osl_list_bios_tables(void);
@@ -99,7 +99,7 @@ static acpi_status
osl_get_bios_table(char *signature,
u32 instance,
struct acpi_table_header **table,
- acpi_physical_address * address);
+ acpi_physical_address *address);
static acpi_status osl_get_last_status(acpi_status default_status);
@@ -187,7 +187,7 @@ static acpi_status osl_get_last_status(acpi_status default_status)
acpi_status
acpi_os_get_table_by_address(acpi_physical_address address,
- struct acpi_table_header ** table)
+ struct acpi_table_header **table)
{
u32 table_length;
struct acpi_table_header *mapped_table;
@@ -252,8 +252,8 @@ exit:
acpi_status
acpi_os_get_table_by_name(char *signature,
u32 instance,
- struct acpi_table_header ** table,
- acpi_physical_address * address)
+ struct acpi_table_header **table,
+ acpi_physical_address *address)
{
acpi_status status;
@@ -380,8 +380,8 @@ static acpi_status osl_add_table_to_list(char *signature, u32 instance)
acpi_status
acpi_os_get_table_by_index(u32 index,
- struct acpi_table_header ** table,
- u32 *instance, acpi_physical_address * address)
+ struct acpi_table_header **table,
+ u32 *instance, acpi_physical_address *address)
{
struct osl_table_info *info;
acpi_status status;
@@ -447,7 +447,7 @@ osl_find_rsdp_via_efi_by_keyword(FILE * file, const char *keyword)
}
}
- return ((acpi_physical_address) (address));
+ return ((acpi_physical_address)(address));
}
/******************************************************************************
@@ -751,10 +751,10 @@ static acpi_status osl_list_bios_tables(void)
for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
if (osl_can_use_xsdt()) {
table_address =
- (acpi_physical_address) (*ACPI_CAST64(table_data));
+ (acpi_physical_address)(*ACPI_CAST64(table_data));
} else {
table_address =
- (acpi_physical_address) (*ACPI_CAST32(table_data));
+ (acpi_physical_address)(*ACPI_CAST32(table_data));
}
/* Skip NULL entries in RSDT/XSDT */
@@ -800,7 +800,7 @@ static acpi_status
osl_get_bios_table(char *signature,
u32 instance,
struct acpi_table_header **table,
- acpi_physical_address * address)
+ acpi_physical_address *address)
{
struct acpi_table_header *local_table = NULL;
struct acpi_table_header *mapped_table = NULL;
@@ -833,38 +833,37 @@ osl_get_bios_table(char *signature,
if ((gbl_fadt->header.length >= MIN_FADT_FOR_XDSDT) &&
gbl_fadt->Xdsdt) {
table_address =
- (acpi_physical_address) gbl_fadt->Xdsdt;
+ (acpi_physical_address)gbl_fadt->Xdsdt;
} else
if ((gbl_fadt->header.length >= MIN_FADT_FOR_DSDT)
&& gbl_fadt->dsdt) {
table_address =
- (acpi_physical_address) gbl_fadt->dsdt;
+ (acpi_physical_address)gbl_fadt->dsdt;
}
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_FACS)) {
if ((gbl_fadt->header.length >= MIN_FADT_FOR_XFACS) &&
gbl_fadt->Xfacs) {
table_address =
- (acpi_physical_address) gbl_fadt->Xfacs;
+ (acpi_physical_address)gbl_fadt->Xfacs;
} else
if ((gbl_fadt->header.length >= MIN_FADT_FOR_FACS)
&& gbl_fadt->facs) {
table_address =
- (acpi_physical_address) gbl_fadt->facs;
+ (acpi_physical_address)gbl_fadt->facs;
}
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_XSDT)) {
if (!gbl_revision) {
return (AE_BAD_SIGNATURE);
}
table_address =
- (acpi_physical_address) gbl_rsdp.
+ (acpi_physical_address)gbl_rsdp.
xsdt_physical_address;
} else if (ACPI_COMPARE_NAME(signature, ACPI_SIG_RSDT)) {
table_address =
- (acpi_physical_address) gbl_rsdp.
+ (acpi_physical_address)gbl_rsdp.
rsdt_physical_address;
} else {
- table_address =
- (acpi_physical_address) gbl_rsdp_address;
+ table_address = (acpi_physical_address)gbl_rsdp_address;
signature = ACPI_SIG_RSDP;
}
@@ -904,12 +903,12 @@ osl_get_bios_table(char *signature,
for (i = 0; i < number_of_tables; ++i, table_data += item_size) {
if (osl_can_use_xsdt()) {
table_address =
- (acpi_physical_address) (*ACPI_CAST64
- (table_data));
+ (acpi_physical_address)(*ACPI_CAST64
+ (table_data));
} else {
table_address =
- (acpi_physical_address) (*ACPI_CAST32
- (table_data));
+ (acpi_physical_address)(*ACPI_CAST32
+ (table_data));
}
/* Skip NULL entries in RSDT/XSDT */
@@ -1301,7 +1300,7 @@ osl_get_customized_table(char *pathname,
char *signature,
u32 instance,
struct acpi_table_header **table,
- acpi_physical_address * address)
+ acpi_physical_address *address)
{
void *table_dir;
u32 current_instance = 0;
diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c
index 3818fd07e50f..cbfbce18783d 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixmap.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c
@@ -54,7 +54,7 @@ ACPI_MODULE_NAME("osunixmap")
#ifndef O_BINARY
#define O_BINARY 0
#endif
-#if defined(_dragon_fly) || defined(_free_BSD)
+#if defined(_dragon_fly) || defined(_free_BSD) || defined(_QNX)
#define MMAP_FLAGS MAP_SHARED
#else
#define MMAP_FLAGS MAP_PRIVATE
diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index 08cb8b2035f2..88aa66ef4ad5 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -246,8 +246,8 @@ acpi_physical_address acpi_os_get_root_pointer(void)
*****************************************************************************/
acpi_status
-acpi_os_predefined_override(const struct acpi_predefined_names * init_val,
- acpi_string * new_val)
+acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
+ acpi_string *new_val)
{
if (!init_val || !new_val) {
@@ -274,8 +274,8 @@ acpi_os_predefined_override(const struct acpi_predefined_names * init_val,
*****************************************************************************/
acpi_status
-acpi_os_table_override(struct acpi_table_header * existing_table,
- struct acpi_table_header ** new_table)
+acpi_os_table_override(struct acpi_table_header *existing_table,
+ struct acpi_table_header **new_table)
{
if (!existing_table || !new_table) {
@@ -311,8 +311,8 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
*****************************************************************************/
acpi_status
-acpi_os_physical_table_override(struct acpi_table_header * existing_table,
- acpi_physical_address * new_address,
+acpi_os_physical_table_override(struct acpi_table_header *existing_table,
+ acpi_physical_address *new_address,
u32 *new_table_length)
{
@@ -506,7 +506,7 @@ acpi_status acpi_os_get_line(char *buffer, u32 buffer_length, u32 *bytes_read)
void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
{
- return (ACPI_TO_POINTER((acpi_size) where));
+ return (ACPI_TO_POINTER((acpi_size)where));
}
/******************************************************************************
@@ -603,9 +603,9 @@ void acpi_os_free(void *mem)
acpi_status
acpi_os_create_semaphore(u32 max_units,
- u32 initial_units, acpi_handle * out_handle)
+ u32 initial_units, acpi_handle *out_handle)
{
- *out_handle = (acpi_handle) 1;
+ *out_handle = (acpi_handle)1;
return (AE_OK);
}
@@ -640,7 +640,7 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units)
acpi_status
acpi_os_create_semaphore(u32 max_units,
- u32 initial_units, acpi_handle * out_handle)
+ u32 initial_units, acpi_handle *out_handle)
{
sem_t *sem;
@@ -672,7 +672,7 @@ acpi_os_create_semaphore(u32 max_units,
}
#endif
- *out_handle = (acpi_handle) sem;
+ *out_handle = (acpi_handle)sem;
return (AE_OK);
}
@@ -1035,7 +1035,7 @@ acpi_os_read_pci_configuration(struct acpi_pci_id *pci_id,
*****************************************************************************/
acpi_status
-acpi_os_write_pci_configuration(struct acpi_pci_id * pci_id,
+acpi_os_write_pci_configuration(struct acpi_pci_id *pci_id,
u32 pci_register, u64 value, u32 width)
{
diff --git a/tools/power/acpi/tools/acpidbg/acpidbg.c b/tools/power/acpi/tools/acpidbg/acpidbg.c
index d070fccdba6d..a88ac45b7756 100644
--- a/tools/power/acpi/tools/acpidbg/acpidbg.c
+++ b/tools/power/acpi/tools/acpidbg/acpidbg.c
@@ -375,7 +375,7 @@ void usage(FILE *file, char *progname)
int main(int argc, char **argv)
{
- int fd = 0;
+ int fd = -1;
int ch;
int len;
int ret = EXIT_SUCCESS;
@@ -430,7 +430,7 @@ int main(int argc, char **argv)
acpi_aml_loop(fd);
exit:
- if (fd < 0)
+ if (fd >= 0)
close(fd);
if (acpi_aml_batch_cmd)
free(acpi_aml_batch_cmd);
diff --git a/tools/power/acpi/tools/acpidump/Makefile b/tools/power/acpi/tools/acpidump/Makefile
index 8d761576e91b..2942cdced2ad 100644
--- a/tools/power/acpi/tools/acpidump/Makefile
+++ b/tools/power/acpi/tools/acpidump/Makefile
@@ -31,6 +31,7 @@ TOOL_OBJS = \
osunixxf.o\
tbprint.o\
tbxfroot.o\
+ utascii.o\
utbuffer.o\
utdebug.o\
utexcep.o\
diff --git a/tools/power/acpi/tools/acpidump/apdump.c b/tools/power/acpi/tools/acpidump/apdump.c
index da44458d3b6c..fb8f1d9e3b1b 100644
--- a/tools/power/acpi/tools/acpidump/apdump.c
+++ b/tools/power/acpi/tools/acpidump/apdump.c
@@ -68,7 +68,7 @@ u8 ap_is_valid_header(struct acpi_table_header *table)
/* Make sure signature is all ASCII and a valid ACPI name */
- if (!acpi_ut_valid_acpi_name(table->signature)) {
+ if (!acpi_ut_valid_nameseg(table->signature)) {
acpi_log_error("Table signature (0x%8.8X) is invalid\n",
*(u32 *)table->signature);
return (FALSE);
@@ -286,14 +286,15 @@ int ap_dump_table_by_address(char *ascii_address)
/* Convert argument to an integer physical address */
- status = acpi_ut_strtoul64(ascii_address, 0, &long_address);
+ status = acpi_ut_strtoul64(ascii_address, ACPI_ANY_BASE,
+ ACPI_MAX64_BYTE_WIDTH, &long_address);
if (ACPI_FAILURE(status)) {
acpi_log_error("%s: Could not convert to a physical address\n",
ascii_address);
return (-1);
}
- address = (acpi_physical_address) long_address;
+ address = (acpi_physical_address)long_address;
status = acpi_os_get_table_by_address(address, &table);
if (ACPI_FAILURE(status)) {
acpi_log_error("Could not get table at 0x%8.8X%8.8X, %s\n",
@@ -406,6 +407,12 @@ int ap_dump_table_from_file(char *pathname)
return (-1);
}
+ if (!acpi_ut_valid_nameseg(table->signature)) {
+ acpi_log_error
+ ("No valid ACPI signature was found in input file %s\n",
+ pathname);
+ }
+
/* File must be at least as long as the table length */
if (table->length > file_size) {
diff --git a/tools/power/acpi/tools/acpidump/apmain.c b/tools/power/acpi/tools/acpidump/apmain.c
index c3c09152fac6..7692e6b887e1 100644
--- a/tools/power/acpi/tools/acpidump/apmain.c
+++ b/tools/power/acpi/tools/acpidump/apmain.c
@@ -209,7 +209,8 @@ static int ap_do_options(int argc, char **argv)
case 'r': /* Dump tables from specified RSDP */
status =
- acpi_ut_strtoul64(acpi_gbl_optarg, 0,
+ acpi_ut_strtoul64(acpi_gbl_optarg, ACPI_ANY_BASE,
+ ACPI_MAX64_BYTE_WIDTH,
&gbl_rsdp_base);
if (ACPI_FAILURE(status)) {
acpi_log_error
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 0adaf0c7c03a..8358863259c5 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -63,7 +63,7 @@ DESTDIR ?=
# and _should_ modify the PACKAGE_BUGREPORT definition
VERSION= $(shell ./utils/version-gen.sh)
-LIB_MAJ= 0.0.0
+LIB_MAJ= 0.0.1
LIB_MIN= 0
PACKAGE = cpupower
@@ -129,7 +129,7 @@ WARNINGS += -Wshadow
CFLAGS += -DVERSION=\"$(VERSION)\" -DPACKAGE=\"$(PACKAGE)\" \
-DPACKAGE_BUGREPORT=\"$(PACKAGE_BUGREPORT)\" -D_GNU_SOURCE
-UTIL_OBJS = utils/helpers/amd.o utils/helpers/topology.o utils/helpers/msr.o \
+UTIL_OBJS = utils/helpers/amd.o utils/helpers/msr.o \
utils/helpers/sysfs.o utils/helpers/misc.o utils/helpers/cpuid.o \
utils/helpers/pci.o utils/helpers/bitmask.o \
utils/idle_monitor/nhm_idle.o utils/idle_monitor/snb_idle.o \
@@ -148,9 +148,9 @@ UTIL_HEADERS = utils/helpers/helpers.h utils/idle_monitor/cpupower-monitor.h \
utils/helpers/bitmask.h \
utils/idle_monitor/idle_monitors.h utils/idle_monitor/idle_monitors.def
-LIB_HEADERS = lib/cpufreq.h lib/sysfs.h
-LIB_SRC = lib/cpufreq.c lib/sysfs.c
-LIB_OBJS = lib/cpufreq.o lib/sysfs.o
+LIB_HEADERS = lib/cpufreq.h lib/cpupower.h lib/cpuidle.h
+LIB_SRC = lib/cpufreq.c lib/cpupower.c lib/cpuidle.c
+LIB_OBJS = lib/cpufreq.o lib/cpupower.o lib/cpuidle.o
LIB_OBJS := $(addprefix $(OUTPUT),$(LIB_OBJS))
CFLAGS += -pipe
@@ -280,6 +280,7 @@ install-lib:
$(CP) $(OUTPUT)libcpupower.so* $(DESTDIR)${libdir}/
$(INSTALL) -d $(DESTDIR)${includedir}
$(INSTALL_DATA) lib/cpufreq.h $(DESTDIR)${includedir}/cpufreq.h
+ $(INSTALL_DATA) lib/cpuidle.h $(DESTDIR)${includedir}/cpuidle.h
install-tools:
$(INSTALL) -d $(DESTDIR)${bindir}
@@ -315,6 +316,7 @@ endif
uninstall:
- rm -f $(DESTDIR)${libdir}/libcpupower.*
- rm -f $(DESTDIR)${includedir}/cpufreq.h
+ - rm -f $(DESTDIR)${includedir}/cpuidle.h
- rm -f $(DESTDIR)${bindir}/utils/cpupower
- rm -f $(DESTDIR)${mandir}/man1/cpupower.1
- rm -f $(DESTDIR)${mandir}/man1/cpupower-frequency-set.1
diff --git a/tools/power/cpupower/bench/Makefile b/tools/power/cpupower/bench/Makefile
index d0f879b223fc..3e59f1aa3947 100644
--- a/tools/power/cpupower/bench/Makefile
+++ b/tools/power/cpupower/bench/Makefile
@@ -22,7 +22,7 @@ $(OUTPUT)%.o : %.c
$(OUTPUT)cpufreq-bench: $(OBJS)
$(ECHO) " CC " $@
- $(QUIET) $(CC) -o $@ $(CFLAGS) $(OBJS) $(LIBS)
+ $(QUIET) $(CC) -o $@ $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS)
all: $(OUTPUT)cpufreq-bench
diff --git a/tools/power/cpupower/bench/README-BENCH b/tools/power/cpupower/bench/README-BENCH
index 8093ec738170..97727aed61cc 100644
--- a/tools/power/cpupower/bench/README-BENCH
+++ b/tools/power/cpupower/bench/README-BENCH
@@ -113,7 +113,7 @@ cpufreq-bench Command Usage
-c, --cpu=<unsigned int> CPU Number to use, starting at 0
-p, --prio=<priority> scheduler priority, HIGH, LOW or DEFAULT
-g, --governor=<governor> cpufreq governor to test
--n, --cycles=<int> load/sleep cycles to get an avarage value to compare
+-n, --cycles=<int> load/sleep cycles to get an average value to compare
-r, --rounds<int> load/sleep rounds
-f, --file=<configfile> config file to use
-o, --output=<dir> output dir, must exist
diff --git a/tools/power/cpupower/bench/benchmark.c b/tools/power/cpupower/bench/benchmark.c
index 81b1c48607d9..429d51ab8031 100644
--- a/tools/power/cpupower/bench/benchmark.c
+++ b/tools/power/cpupower/bench/benchmark.c
@@ -130,7 +130,7 @@ void start_benchmark(struct config *config)
_round, load_time, sleep_time);
if (config->verbose)
- printf("avarage: %lius, rps:%li\n",
+ printf("average: %lius, rps:%li\n",
load_time / calculations,
1000000 * calculations / load_time);
@@ -177,7 +177,7 @@ void start_benchmark(struct config *config)
progress_time += sleep_time + load_time;
- /* compare the avarage sleep/load cycles */
+ /* compare the average sleep/load cycles */
fprintf(config->output, "%li ",
powersave_time / config->cycles);
fprintf(config->output, "%.3f\n",
diff --git a/tools/power/cpupower/bench/parse.c b/tools/power/cpupower/bench/parse.c
index f503fb53824e..9b65f052081f 100644
--- a/tools/power/cpupower/bench/parse.c
+++ b/tools/power/cpupower/bench/parse.c
@@ -65,7 +65,7 @@ FILE *prepare_output(const char *dirname)
{
FILE *output = NULL;
int len;
- char *filename;
+ char *filename, *filename_tmp;
struct utsname sysdata;
DIR *dir;
@@ -81,16 +81,22 @@ FILE *prepare_output(const char *dirname)
len = strlen(dirname) + 30;
filename = malloc(sizeof(char) * len);
+ if (!filename) {
+ perror("malloc");
+ goto out_dir;
+ }
if (uname(&sysdata) == 0) {
len += strlen(sysdata.nodename) + strlen(sysdata.release);
- filename = realloc(filename, sizeof(char) * len);
+ filename_tmp = realloc(filename, sizeof(*filename) * len);
- if (filename == NULL) {
+ if (filename_tmp == NULL) {
+ free(filename);
perror("realloc");
- return NULL;
+ goto out_dir;
}
+ filename = filename_tmp;
snprintf(filename, len - 1, "%s/benchmark_%s_%s_%li.log",
dirname, sysdata.nodename, sysdata.release, time(NULL));
} else {
@@ -104,12 +110,16 @@ FILE *prepare_output(const char *dirname)
if (output == NULL) {
perror("fopen");
fprintf(stderr, "error: unable to open logfile\n");
+ goto out;
}
fprintf(stdout, "Logfile: %s\n", filename);
- free(filename);
fprintf(output, "#round load sleep performance powersave percentage\n");
+out:
+ free(filename);
+out_dir:
+ closedir(dir);
return output;
}
diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
index f01e3f4be84c..c25a74ae51ba 100644
--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -26,6 +26,7 @@
#include <sched.h>
#include <cpufreq.h>
+#include <cpupower.h>
#include "config.h"
#include "system.h"
@@ -60,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
dprintf("set %s as cpufreq governor\n", governor);
- if (cpufreq_cpu_exists(cpu) != 0) {
+ if (cpupower_is_cpu_online(cpu) != 0) {
perror("cpufreq_cpu_exists");
fprintf(stderr, "error: cpu %u does not exist\n", cpu);
return -1;
diff --git a/tools/power/cpupower/lib/cpufreq.c b/tools/power/cpupower/lib/cpufreq.c
index d961101d1cea..1b993fe1ce23 100644
--- a/tools/power/cpupower/lib/cpufreq.c
+++ b/tools/power/cpupower/lib/cpufreq.c
@@ -9,28 +9,190 @@
#include <errno.h>
#include <stdlib.h>
#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
#include "cpufreq.h"
-#include "sysfs.h"
+#include "cpupower_intern.h"
-int cpufreq_cpu_exists(unsigned int cpu)
+/* CPUFREQ sysfs access **************************************************/
+
+/* helper function to read file from /sys into given buffer */
+/* fname is a relative path under "cpuX/cpufreq" dir */
+static unsigned int sysfs_cpufreq_read_file(unsigned int cpu, const char *fname,
+ char *buf, size_t buflen)
{
- return sysfs_cpu_exists(cpu);
+ char path[SYSFS_PATH_MAX];
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpufreq/%s",
+ cpu, fname);
+ return sysfs_read_file(path, buf, buflen);
}
+/* helper function to write a new value to a /sys file */
+/* fname is a relative path under "cpuX/cpufreq" dir */
+static unsigned int sysfs_cpufreq_write_file(unsigned int cpu,
+ const char *fname,
+ const char *value, size_t len)
+{
+ char path[SYSFS_PATH_MAX];
+ int fd;
+ ssize_t numwrite;
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpufreq/%s",
+ cpu, fname);
+
+ fd = open(path, O_WRONLY);
+ if (fd == -1)
+ return 0;
+
+ numwrite = write(fd, value, len);
+ if (numwrite < 1) {
+ close(fd);
+ return 0;
+ }
+
+ close(fd);
+
+ return (unsigned int) numwrite;
+}
+
+/* read access to files which contain one numeric value */
+
+enum cpufreq_value {
+ CPUINFO_CUR_FREQ,
+ CPUINFO_MIN_FREQ,
+ CPUINFO_MAX_FREQ,
+ CPUINFO_LATENCY,
+ SCALING_CUR_FREQ,
+ SCALING_MIN_FREQ,
+ SCALING_MAX_FREQ,
+ STATS_NUM_TRANSITIONS,
+ MAX_CPUFREQ_VALUE_READ_FILES
+};
+
+static const char *cpufreq_value_files[MAX_CPUFREQ_VALUE_READ_FILES] = {
+ [CPUINFO_CUR_FREQ] = "cpuinfo_cur_freq",
+ [CPUINFO_MIN_FREQ] = "cpuinfo_min_freq",
+ [CPUINFO_MAX_FREQ] = "cpuinfo_max_freq",
+ [CPUINFO_LATENCY] = "cpuinfo_transition_latency",
+ [SCALING_CUR_FREQ] = "scaling_cur_freq",
+ [SCALING_MIN_FREQ] = "scaling_min_freq",
+ [SCALING_MAX_FREQ] = "scaling_max_freq",
+ [STATS_NUM_TRANSITIONS] = "stats/total_trans"
+};
+
+
+static unsigned long sysfs_cpufreq_get_one_value(unsigned int cpu,
+ enum cpufreq_value which)
+{
+ unsigned long value;
+ unsigned int len;
+ char linebuf[MAX_LINE_LEN];
+ char *endp;
+
+ if (which >= MAX_CPUFREQ_VALUE_READ_FILES)
+ return 0;
+
+ len = sysfs_cpufreq_read_file(cpu, cpufreq_value_files[which],
+ linebuf, sizeof(linebuf));
+
+ if (len == 0)
+ return 0;
+
+ value = strtoul(linebuf, &endp, 0);
+
+ if (endp == linebuf || errno == ERANGE)
+ return 0;
+
+ return value;
+}
+
+/* read access to files which contain one string */
+
+enum cpufreq_string {
+ SCALING_DRIVER,
+ SCALING_GOVERNOR,
+ MAX_CPUFREQ_STRING_FILES
+};
+
+static const char *cpufreq_string_files[MAX_CPUFREQ_STRING_FILES] = {
+ [SCALING_DRIVER] = "scaling_driver",
+ [SCALING_GOVERNOR] = "scaling_governor",
+};
+
+
+static char *sysfs_cpufreq_get_one_string(unsigned int cpu,
+ enum cpufreq_string which)
+{
+ char linebuf[MAX_LINE_LEN];
+ char *result;
+ unsigned int len;
+
+ if (which >= MAX_CPUFREQ_STRING_FILES)
+ return NULL;
+
+ len = sysfs_cpufreq_read_file(cpu, cpufreq_string_files[which],
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ result = strdup(linebuf);
+ if (result == NULL)
+ return NULL;
+
+ if (result[strlen(result) - 1] == '\n')
+ result[strlen(result) - 1] = '\0';
+
+ return result;
+}
+
+/* write access */
+
+enum cpufreq_write {
+ WRITE_SCALING_MIN_FREQ,
+ WRITE_SCALING_MAX_FREQ,
+ WRITE_SCALING_GOVERNOR,
+ WRITE_SCALING_SET_SPEED,
+ MAX_CPUFREQ_WRITE_FILES
+};
+
+static const char *cpufreq_write_files[MAX_CPUFREQ_WRITE_FILES] = {
+ [WRITE_SCALING_MIN_FREQ] = "scaling_min_freq",
+ [WRITE_SCALING_MAX_FREQ] = "scaling_max_freq",
+ [WRITE_SCALING_GOVERNOR] = "scaling_governor",
+ [WRITE_SCALING_SET_SPEED] = "scaling_setspeed",
+};
+
+static int sysfs_cpufreq_write_one_value(unsigned int cpu,
+ enum cpufreq_write which,
+ const char *new_value, size_t len)
+{
+ if (which >= MAX_CPUFREQ_WRITE_FILES)
+ return 0;
+
+ if (sysfs_cpufreq_write_file(cpu, cpufreq_write_files[which],
+ new_value, len) != len)
+ return -ENODEV;
+
+ return 0;
+};
+
unsigned long cpufreq_get_freq_kernel(unsigned int cpu)
{
- return sysfs_get_freq_kernel(cpu);
+ return sysfs_cpufreq_get_one_value(cpu, SCALING_CUR_FREQ);
}
unsigned long cpufreq_get_freq_hardware(unsigned int cpu)
{
- return sysfs_get_freq_hardware(cpu);
+ return sysfs_cpufreq_get_one_value(cpu, CPUINFO_CUR_FREQ);
}
unsigned long cpufreq_get_transition_latency(unsigned int cpu)
{
- return sysfs_get_freq_transition_latency(cpu);
+ return sysfs_cpufreq_get_one_value(cpu, CPUINFO_LATENCY);
}
int cpufreq_get_hardware_limits(unsigned int cpu,
@@ -39,12 +201,21 @@ int cpufreq_get_hardware_limits(unsigned int cpu,
{
if ((!min) || (!max))
return -EINVAL;
- return sysfs_get_freq_hardware_limits(cpu, min, max);
+
+ *min = sysfs_cpufreq_get_one_value(cpu, CPUINFO_MIN_FREQ);
+ if (!*min)
+ return -ENODEV;
+
+ *max = sysfs_cpufreq_get_one_value(cpu, CPUINFO_MAX_FREQ);
+ if (!*max)
+ return -ENODEV;
+
+ return 0;
}
char *cpufreq_get_driver(unsigned int cpu)
{
- return sysfs_get_freq_driver(cpu);
+ return sysfs_cpufreq_get_one_string(cpu, SCALING_DRIVER);
}
void cpufreq_put_driver(char *ptr)
@@ -56,7 +227,26 @@ void cpufreq_put_driver(char *ptr)
struct cpufreq_policy *cpufreq_get_policy(unsigned int cpu)
{
- return sysfs_get_freq_policy(cpu);
+ struct cpufreq_policy *policy;
+
+ policy = malloc(sizeof(struct cpufreq_policy));
+ if (!policy)
+ return NULL;
+
+ policy->governor = sysfs_cpufreq_get_one_string(cpu, SCALING_GOVERNOR);
+ if (!policy->governor) {
+ free(policy);
+ return NULL;
+ }
+ policy->min = sysfs_cpufreq_get_one_value(cpu, SCALING_MIN_FREQ);
+ policy->max = sysfs_cpufreq_get_one_value(cpu, SCALING_MAX_FREQ);
+ if ((!policy->min) || (!policy->max)) {
+ free(policy->governor);
+ free(policy);
+ return NULL;
+ }
+
+ return policy;
}
void cpufreq_put_policy(struct cpufreq_policy *policy)
@@ -72,7 +262,57 @@ void cpufreq_put_policy(struct cpufreq_policy *policy)
struct cpufreq_available_governors *cpufreq_get_available_governors(unsigned
int cpu)
{
- return sysfs_get_freq_available_governors(cpu);
+ struct cpufreq_available_governors *first = NULL;
+ struct cpufreq_available_governors *current = NULL;
+ char linebuf[MAX_LINE_LEN];
+ unsigned int pos, i;
+ unsigned int len;
+
+ len = sysfs_cpufreq_read_file(cpu, "scaling_available_governors",
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ pos = 0;
+ for (i = 0; i < len; i++) {
+ if (linebuf[i] == ' ' || linebuf[i] == '\n') {
+ if (i - pos < 2)
+ continue;
+ if (current) {
+ current->next = malloc(sizeof(*current));
+ if (!current->next)
+ goto error_out;
+ current = current->next;
+ } else {
+ first = malloc(sizeof(*first));
+ if (!first)
+ goto error_out;
+ current = first;
+ }
+ current->first = first;
+ current->next = NULL;
+
+ current->governor = malloc(i - pos + 1);
+ if (!current->governor)
+ goto error_out;
+
+ memcpy(current->governor, linebuf + pos, i - pos);
+ current->governor[i - pos] = '\0';
+ pos = i + 1;
+ }
+ }
+
+ return first;
+
+ error_out:
+ while (first) {
+ current = first->next;
+ if (first->governor)
+ free(first->governor);
+ free(first);
+ first = current;
+ }
+ return NULL;
}
void cpufreq_put_available_governors(struct cpufreq_available_governors *any)
@@ -96,7 +336,57 @@ void cpufreq_put_available_governors(struct cpufreq_available_governors *any)
struct cpufreq_available_frequencies
*cpufreq_get_available_frequencies(unsigned int cpu)
{
- return sysfs_get_available_frequencies(cpu);
+ struct cpufreq_available_frequencies *first = NULL;
+ struct cpufreq_available_frequencies *current = NULL;
+ char one_value[SYSFS_PATH_MAX];
+ char linebuf[MAX_LINE_LEN];
+ unsigned int pos, i;
+ unsigned int len;
+
+ len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies",
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ pos = 0;
+ for (i = 0; i < len; i++) {
+ if (linebuf[i] == ' ' || linebuf[i] == '\n') {
+ if (i - pos < 2)
+ continue;
+ if (i - pos >= SYSFS_PATH_MAX)
+ goto error_out;
+ if (current) {
+ current->next = malloc(sizeof(*current));
+ if (!current->next)
+ goto error_out;
+ current = current->next;
+ } else {
+ first = malloc(sizeof(*first));
+ if (!first)
+ goto error_out;
+ current = first;
+ }
+ current->first = first;
+ current->next = NULL;
+
+ memcpy(one_value, linebuf + pos, i - pos);
+ one_value[i - pos] = '\0';
+ if (sscanf(one_value, "%lu", &current->frequency) != 1)
+ goto error_out;
+
+ pos = i + 1;
+ }
+ }
+
+ return first;
+
+ error_out:
+ while (first) {
+ current = first->next;
+ free(first);
+ first = current;
+ }
+ return NULL;
}
void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies
@@ -114,10 +404,65 @@ void cpufreq_put_available_frequencies(struct cpufreq_available_frequencies
}
}
+static struct cpufreq_affected_cpus *sysfs_get_cpu_list(unsigned int cpu,
+ const char *file)
+{
+ struct cpufreq_affected_cpus *first = NULL;
+ struct cpufreq_affected_cpus *current = NULL;
+ char one_value[SYSFS_PATH_MAX];
+ char linebuf[MAX_LINE_LEN];
+ unsigned int pos, i;
+ unsigned int len;
+
+ len = sysfs_cpufreq_read_file(cpu, file, linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ pos = 0;
+ for (i = 0; i < len; i++) {
+ if (i == len || linebuf[i] == ' ' || linebuf[i] == '\n') {
+ if (i - pos < 1)
+ continue;
+ if (i - pos >= SYSFS_PATH_MAX)
+ goto error_out;
+ if (current) {
+ current->next = malloc(sizeof(*current));
+ if (!current->next)
+ goto error_out;
+ current = current->next;
+ } else {
+ first = malloc(sizeof(*first));
+ if (!first)
+ goto error_out;
+ current = first;
+ }
+ current->first = first;
+ current->next = NULL;
+
+ memcpy(one_value, linebuf + pos, i - pos);
+ one_value[i - pos] = '\0';
+
+ if (sscanf(one_value, "%u", &current->cpu) != 1)
+ goto error_out;
+
+ pos = i + 1;
+ }
+ }
+
+ return first;
+
+ error_out:
+ while (first) {
+ current = first->next;
+ free(first);
+ first = current;
+ }
+ return NULL;
+}
struct cpufreq_affected_cpus *cpufreq_get_affected_cpus(unsigned int cpu)
{
- return sysfs_get_freq_affected_cpus(cpu);
+ return sysfs_get_cpu_list(cpu, "affected_cpus");
}
void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *any)
@@ -138,7 +483,7 @@ void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *any)
struct cpufreq_affected_cpus *cpufreq_get_related_cpus(unsigned int cpu)
{
- return sysfs_get_freq_related_cpus(cpu);
+ return sysfs_get_cpu_list(cpu, "related_cpus");
}
void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *any)
@@ -146,45 +491,208 @@ void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *any)
cpufreq_put_affected_cpus(any);
}
+static int verify_gov(char *new_gov, char *passed_gov)
+{
+ unsigned int i, j = 0;
+
+ if (!passed_gov || (strlen(passed_gov) > 19))
+ return -EINVAL;
+
+ strncpy(new_gov, passed_gov, 20);
+ for (i = 0; i < 20; i++) {
+ if (j) {
+ new_gov[i] = '\0';
+ continue;
+ }
+ if ((new_gov[i] >= 'a') && (new_gov[i] <= 'z'))
+ continue;
+
+ if ((new_gov[i] >= 'A') && (new_gov[i] <= 'Z'))
+ continue;
+
+ if (new_gov[i] == '-')
+ continue;
+
+ if (new_gov[i] == '_')
+ continue;
+
+ if (new_gov[i] == '\0') {
+ j = 1;
+ continue;
+ }
+ return -EINVAL;
+ }
+ new_gov[19] = '\0';
+ return 0;
+}
int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy)
{
+ char min[SYSFS_PATH_MAX];
+ char max[SYSFS_PATH_MAX];
+ char gov[SYSFS_PATH_MAX];
+ int ret;
+ unsigned long old_min;
+ int write_max_first;
+
if (!policy || !(policy->governor))
return -EINVAL;
- return sysfs_set_freq_policy(cpu, policy);
+ if (policy->max < policy->min)
+ return -EINVAL;
+
+ if (verify_gov(gov, policy->governor))
+ return -EINVAL;
+
+ snprintf(min, SYSFS_PATH_MAX, "%lu", policy->min);
+ snprintf(max, SYSFS_PATH_MAX, "%lu", policy->max);
+
+ old_min = sysfs_cpufreq_get_one_value(cpu, SCALING_MIN_FREQ);
+ write_max_first = (old_min && (policy->max < old_min) ? 0 : 1);
+
+ if (write_max_first) {
+ ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
+ max, strlen(max));
+ if (ret)
+ return ret;
+ }
+
+ ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MIN_FREQ, min,
+ strlen(min));
+ if (ret)
+ return ret;
+
+ if (!write_max_first) {
+ ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
+ max, strlen(max));
+ if (ret)
+ return ret;
+ }
+
+ return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_GOVERNOR,
+ gov, strlen(gov));
}
int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq)
{
- return sysfs_modify_freq_policy_min(cpu, min_freq);
+ char value[SYSFS_PATH_MAX];
+
+ snprintf(value, SYSFS_PATH_MAX, "%lu", min_freq);
+
+ return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MIN_FREQ,
+ value, strlen(value));
}
int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq)
{
- return sysfs_modify_freq_policy_max(cpu, max_freq);
-}
+ char value[SYSFS_PATH_MAX];
+
+ snprintf(value, SYSFS_PATH_MAX, "%lu", max_freq);
+ return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
+ value, strlen(value));
+}
int cpufreq_modify_policy_governor(unsigned int cpu, char *governor)
{
+ char new_gov[SYSFS_PATH_MAX];
+
if ((!governor) || (strlen(governor) > 19))
return -EINVAL;
- return sysfs_modify_freq_policy_governor(cpu, governor);
+ if (verify_gov(new_gov, governor))
+ return -EINVAL;
+
+ return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_GOVERNOR,
+ new_gov, strlen(new_gov));
}
int cpufreq_set_frequency(unsigned int cpu, unsigned long target_frequency)
{
- return sysfs_set_frequency(cpu, target_frequency);
+ struct cpufreq_policy *pol = cpufreq_get_policy(cpu);
+ char userspace_gov[] = "userspace";
+ char freq[SYSFS_PATH_MAX];
+ int ret;
+
+ if (!pol)
+ return -ENODEV;
+
+ if (strncmp(pol->governor, userspace_gov, 9) != 0) {
+ ret = cpufreq_modify_policy_governor(cpu, userspace_gov);
+ if (ret) {
+ cpufreq_put_policy(pol);
+ return ret;
+ }
+ }
+
+ cpufreq_put_policy(pol);
+
+ snprintf(freq, SYSFS_PATH_MAX, "%lu", target_frequency);
+
+ return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_SET_SPEED,
+ freq, strlen(freq));
}
struct cpufreq_stats *cpufreq_get_stats(unsigned int cpu,
unsigned long long *total_time)
{
- return sysfs_get_freq_stats(cpu, total_time);
+ struct cpufreq_stats *first = NULL;
+ struct cpufreq_stats *current = NULL;
+ char one_value[SYSFS_PATH_MAX];
+ char linebuf[MAX_LINE_LEN];
+ unsigned int pos, i;
+ unsigned int len;
+
+ len = sysfs_cpufreq_read_file(cpu, "stats/time_in_state",
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ *total_time = 0;
+ pos = 0;
+ for (i = 0; i < len; i++) {
+ if (i == strlen(linebuf) || linebuf[i] == '\n') {
+ if (i - pos < 2)
+ continue;
+ if ((i - pos) >= SYSFS_PATH_MAX)
+ goto error_out;
+ if (current) {
+ current->next = malloc(sizeof(*current));
+ if (!current->next)
+ goto error_out;
+ current = current->next;
+ } else {
+ first = malloc(sizeof(*first));
+ if (!first)
+ goto error_out;
+ current = first;
+ }
+ current->first = first;
+ current->next = NULL;
+
+ memcpy(one_value, linebuf + pos, i - pos);
+ one_value[i - pos] = '\0';
+ if (sscanf(one_value, "%lu %llu",
+ &current->frequency,
+ &current->time_in_state) != 2)
+ goto error_out;
+
+ *total_time = *total_time + current->time_in_state;
+ pos = i + 1;
+ }
+ }
+
+ return first;
+
+ error_out:
+ while (first) {
+ current = first->next;
+ free(first);
+ first = current;
+ }
+ return NULL;
}
void cpufreq_put_stats(struct cpufreq_stats *any)
@@ -204,5 +712,5 @@ void cpufreq_put_stats(struct cpufreq_stats *any)
unsigned long cpufreq_get_transitions(unsigned int cpu)
{
- return sysfs_get_freq_transitions(cpu);
+ return sysfs_cpufreq_get_one_value(cpu, STATS_NUM_TRANSITIONS);
}
diff --git a/tools/power/cpupower/lib/cpufreq.h b/tools/power/cpupower/lib/cpufreq.h
index 3aae8e7a0839..3b005c39f068 100644
--- a/tools/power/cpupower/lib/cpufreq.h
+++ b/tools/power/cpupower/lib/cpufreq.h
@@ -17,8 +17,8 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#ifndef _CPUFREQ_H
-#define _CPUFREQ_H 1
+#ifndef __CPUPOWER_CPUFREQ_H__
+#define __CPUPOWER_CPUFREQ_H__
struct cpufreq_policy {
unsigned long min;
@@ -58,13 +58,6 @@ struct cpufreq_stats {
extern "C" {
#endif
-/*
- * returns 0 if the specified CPU is present (it doesn't say
- * whether it is online!), and an error value if not.
- */
-
-extern int cpufreq_cpu_exists(unsigned int cpu);
-
/* determine current CPU frequency
* - _kernel variant means kernel's opinion of CPU frequency
* - _hardware variant means actual hardware CPU frequency,
@@ -73,9 +66,9 @@ extern int cpufreq_cpu_exists(unsigned int cpu);
* returns 0 on failure, else frequency in kHz.
*/
-extern unsigned long cpufreq_get_freq_kernel(unsigned int cpu);
+unsigned long cpufreq_get_freq_kernel(unsigned int cpu);
-extern unsigned long cpufreq_get_freq_hardware(unsigned int cpu);
+unsigned long cpufreq_get_freq_hardware(unsigned int cpu);
#define cpufreq_get(cpu) cpufreq_get_freq_kernel(cpu);
@@ -84,7 +77,7 @@ extern unsigned long cpufreq_get_freq_hardware(unsigned int cpu);
*
* returns 0 on failure, else transition latency in 10^(-9) s = nanoseconds
*/
-extern unsigned long cpufreq_get_transition_latency(unsigned int cpu);
+unsigned long cpufreq_get_transition_latency(unsigned int cpu);
/* determine hardware CPU frequency limits
@@ -93,7 +86,7 @@ extern unsigned long cpufreq_get_transition_latency(unsigned int cpu);
* considerations by cpufreq policy notifiers in the kernel.
*/
-extern int cpufreq_get_hardware_limits(unsigned int cpu,
+int cpufreq_get_hardware_limits(unsigned int cpu,
unsigned long *min,
unsigned long *max);
@@ -104,9 +97,9 @@ extern int cpufreq_get_hardware_limits(unsigned int cpu,
* to avoid memory leakage, please.
*/
-extern char *cpufreq_get_driver(unsigned int cpu);
+char *cpufreq_get_driver(unsigned int cpu);
-extern void cpufreq_put_driver(char *ptr);
+void cpufreq_put_driver(char *ptr);
/* determine CPUfreq policy currently used
@@ -116,9 +109,9 @@ extern void cpufreq_put_driver(char *ptr);
*/
-extern struct cpufreq_policy *cpufreq_get_policy(unsigned int cpu);
+struct cpufreq_policy *cpufreq_get_policy(unsigned int cpu);
-extern void cpufreq_put_policy(struct cpufreq_policy *policy);
+void cpufreq_put_policy(struct cpufreq_policy *policy);
/* determine CPUfreq governors currently available
@@ -129,10 +122,10 @@ extern void cpufreq_put_policy(struct cpufreq_policy *policy);
*/
-extern struct cpufreq_available_governors
+struct cpufreq_available_governors
*cpufreq_get_available_governors(unsigned int cpu);
-extern void cpufreq_put_available_governors(
+void cpufreq_put_available_governors(
struct cpufreq_available_governors *first);
@@ -143,10 +136,10 @@ extern void cpufreq_put_available_governors(
* cpufreq_put_available_frequencies after use.
*/
-extern struct cpufreq_available_frequencies
+struct cpufreq_available_frequencies
*cpufreq_get_available_frequencies(unsigned int cpu);
-extern void cpufreq_put_available_frequencies(
+void cpufreq_put_available_frequencies(
struct cpufreq_available_frequencies *first);
@@ -156,10 +149,10 @@ extern void cpufreq_put_available_frequencies(
* to avoid memory leakage, please.
*/
-extern struct cpufreq_affected_cpus *cpufreq_get_affected_cpus(unsigned
+struct cpufreq_affected_cpus *cpufreq_get_affected_cpus(unsigned
int cpu);
-extern void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *first);
+void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *first);
/* determine related CPUs
@@ -168,10 +161,10 @@ extern void cpufreq_put_affected_cpus(struct cpufreq_affected_cpus *first);
* to avoid memory leakage, please.
*/
-extern struct cpufreq_affected_cpus *cpufreq_get_related_cpus(unsigned
+struct cpufreq_affected_cpus *cpufreq_get_related_cpus(unsigned
int cpu);
-extern void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *first);
+void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *first);
/* determine stats for cpufreq subsystem
@@ -179,12 +172,12 @@ extern void cpufreq_put_related_cpus(struct cpufreq_affected_cpus *first);
* This is not available in all kernel versions or configurations.
*/
-extern struct cpufreq_stats *cpufreq_get_stats(unsigned int cpu,
+struct cpufreq_stats *cpufreq_get_stats(unsigned int cpu,
unsigned long long *total_time);
-extern void cpufreq_put_stats(struct cpufreq_stats *stats);
+void cpufreq_put_stats(struct cpufreq_stats *stats);
-extern unsigned long cpufreq_get_transitions(unsigned int cpu);
+unsigned long cpufreq_get_transitions(unsigned int cpu);
/* set new cpufreq policy
@@ -193,7 +186,7 @@ extern unsigned long cpufreq_get_transitions(unsigned int cpu);
* but results may differ depending e.g. on governors being available.
*/
-extern int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy);
+int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy);
/* modify a policy by only changing min/max freq or governor
@@ -201,9 +194,9 @@ extern int cpufreq_set_policy(unsigned int cpu, struct cpufreq_policy *policy);
* Does not check whether result is what was intended.
*/
-extern int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq);
-extern int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq);
-extern int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);
+int cpufreq_modify_policy_min(unsigned int cpu, unsigned long min_freq);
+int cpufreq_modify_policy_max(unsigned int cpu, unsigned long max_freq);
+int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);
/* set a specific frequency
@@ -213,7 +206,7 @@ extern int cpufreq_modify_policy_governor(unsigned int cpu, char *governor);
* occurs. Also does not work on ->range() cpufreq drivers.
*/
-extern int cpufreq_set_frequency(unsigned int cpu,
+int cpufreq_set_frequency(unsigned int cpu,
unsigned long target_frequency);
#ifdef __cplusplus
diff --git a/tools/power/cpupower/lib/cpuidle.c b/tools/power/cpupower/lib/cpuidle.c
new file mode 100644
index 000000000000..9bd4c7655fdb
--- /dev/null
+++ b/tools/power/cpupower/lib/cpuidle.c
@@ -0,0 +1,380 @@
+/*
+ * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
+ * (C) 2011 Thomas Renninger <trenn@novell.com> Novell Inc.
+ *
+ * Licensed under the terms of the GNU GPL License version 2.
+ */
+
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include "cpuidle.h"
+#include "cpupower_intern.h"
+
+/*
+ * helper function to check whether a file under "../cpuX/cpuidle/stateX/" dir
+ * exists.
+ * For example the functionality to disable c-states was introduced in later
+ * kernel versions, this function can be used to explicitly check for this
+ * feature.
+ *
+ * returns 1 if the file exists, 0 otherwise.
+ */
+static
+unsigned int cpuidle_state_file_exists(unsigned int cpu,
+ unsigned int idlestate,
+ const char *fname)
+{
+ char path[SYSFS_PATH_MAX];
+ struct stat statbuf;
+
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpuidle/state%u/%s",
+ cpu, idlestate, fname);
+ if (stat(path, &statbuf) != 0)
+ return 0;
+ return 1;
+}
+
+/*
+ * helper function to read file from /sys into given buffer
+ * fname is a relative path under "cpuX/cpuidle/stateX/" dir
+ * cstates starting with 0, C0 is not counted as cstate.
+ * This means if you want C1 info, pass 0 as idlestate param
+ */
+static
+unsigned int cpuidle_state_read_file(unsigned int cpu,
+ unsigned int idlestate,
+ const char *fname, char *buf,
+ size_t buflen)
+{
+ char path[SYSFS_PATH_MAX];
+ int fd;
+ ssize_t numread;
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpuidle/state%u/%s",
+ cpu, idlestate, fname);
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1)
+ return 0;
+
+ numread = read(fd, buf, buflen - 1);
+ if (numread < 1) {
+ close(fd);
+ return 0;
+ }
+
+ buf[numread] = '\0';
+ close(fd);
+
+ return (unsigned int) numread;
+}
+
+/*
+ * helper function to write a new value to a /sys file
+ * fname is a relative path under "../cpuX/cpuidle/cstateY/" dir
+ *
+ * Returns the number of bytes written or 0 on error
+ */
+static
+unsigned int cpuidle_state_write_file(unsigned int cpu,
+ unsigned int idlestate,
+ const char *fname,
+ const char *value, size_t len)
+{
+ char path[SYSFS_PATH_MAX];
+ int fd;
+ ssize_t numwrite;
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpuidle/state%u/%s",
+ cpu, idlestate, fname);
+
+ fd = open(path, O_WRONLY);
+ if (fd == -1)
+ return 0;
+
+ numwrite = write(fd, value, len);
+ if (numwrite < 1) {
+ close(fd);
+ return 0;
+ }
+
+ close(fd);
+
+ return (unsigned int) numwrite;
+}
+
+/* read access to files which contain one numeric value */
+
+enum idlestate_value {
+ IDLESTATE_USAGE,
+ IDLESTATE_POWER,
+ IDLESTATE_LATENCY,
+ IDLESTATE_TIME,
+ IDLESTATE_DISABLE,
+ MAX_IDLESTATE_VALUE_FILES
+};
+
+static const char *idlestate_value_files[MAX_IDLESTATE_VALUE_FILES] = {
+ [IDLESTATE_USAGE] = "usage",
+ [IDLESTATE_POWER] = "power",
+ [IDLESTATE_LATENCY] = "latency",
+ [IDLESTATE_TIME] = "time",
+ [IDLESTATE_DISABLE] = "disable",
+};
+
+static
+unsigned long long cpuidle_state_get_one_value(unsigned int cpu,
+ unsigned int idlestate,
+ enum idlestate_value which)
+{
+ unsigned long long value;
+ unsigned int len;
+ char linebuf[MAX_LINE_LEN];
+ char *endp;
+
+ if (which >= MAX_IDLESTATE_VALUE_FILES)
+ return 0;
+
+ len = cpuidle_state_read_file(cpu, idlestate,
+ idlestate_value_files[which],
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return 0;
+
+ value = strtoull(linebuf, &endp, 0);
+
+ if (endp == linebuf || errno == ERANGE)
+ return 0;
+
+ return value;
+}
+
+/* read access to files which contain one string */
+
+enum idlestate_string {
+ IDLESTATE_DESC,
+ IDLESTATE_NAME,
+ MAX_IDLESTATE_STRING_FILES
+};
+
+static const char *idlestate_string_files[MAX_IDLESTATE_STRING_FILES] = {
+ [IDLESTATE_DESC] = "desc",
+ [IDLESTATE_NAME] = "name",
+};
+
+
+static char *cpuidle_state_get_one_string(unsigned int cpu,
+ unsigned int idlestate,
+ enum idlestate_string which)
+{
+ char linebuf[MAX_LINE_LEN];
+ char *result;
+ unsigned int len;
+
+ if (which >= MAX_IDLESTATE_STRING_FILES)
+ return NULL;
+
+ len = cpuidle_state_read_file(cpu, idlestate,
+ idlestate_string_files[which],
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ result = strdup(linebuf);
+ if (result == NULL)
+ return NULL;
+
+ if (result[strlen(result) - 1] == '\n')
+ result[strlen(result) - 1] = '\0';
+
+ return result;
+}
+
+/*
+ * Returns:
+ * 1 if disabled
+ * 0 if enabled
+ * -1 if idlestate is not available
+ * -2 if disabling is not supported by the kernel
+ */
+int cpuidle_is_state_disabled(unsigned int cpu,
+ unsigned int idlestate)
+{
+ if (cpuidle_state_count(cpu) <= idlestate)
+ return -1;
+
+ if (!cpuidle_state_file_exists(cpu, idlestate,
+ idlestate_value_files[IDLESTATE_DISABLE]))
+ return -2;
+ return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_DISABLE);
+}
+
+/*
+ * Pass 1 as last argument to disable or 0 to enable the state
+ * Returns:
+ * 0 on success
+ * negative values on error, for example:
+ * -1 if idlestate is not available
+ * -2 if disabling is not supported by the kernel
+ * -3 No write access to disable/enable C-states
+ */
+int cpuidle_state_disable(unsigned int cpu,
+ unsigned int idlestate,
+ unsigned int disable)
+{
+ char value[SYSFS_PATH_MAX];
+ int bytes_written;
+
+ if (cpuidle_state_count(cpu) <= idlestate)
+ return -1;
+
+ if (!cpuidle_state_file_exists(cpu, idlestate,
+ idlestate_value_files[IDLESTATE_DISABLE]))
+ return -2;
+
+ snprintf(value, SYSFS_PATH_MAX, "%u", disable);
+
+ bytes_written = cpuidle_state_write_file(cpu, idlestate, "disable",
+ value, sizeof(disable));
+ if (bytes_written)
+ return 0;
+ return -3;
+}
+
+unsigned long cpuidle_state_latency(unsigned int cpu,
+ unsigned int idlestate)
+{
+ return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_LATENCY);
+}
+
+unsigned long cpuidle_state_usage(unsigned int cpu,
+ unsigned int idlestate)
+{
+ return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_USAGE);
+}
+
+unsigned long long cpuidle_state_time(unsigned int cpu,
+ unsigned int idlestate)
+{
+ return cpuidle_state_get_one_value(cpu, idlestate, IDLESTATE_TIME);
+}
+
+char *cpuidle_state_name(unsigned int cpu, unsigned int idlestate)
+{
+ return cpuidle_state_get_one_string(cpu, idlestate, IDLESTATE_NAME);
+}
+
+char *cpuidle_state_desc(unsigned int cpu, unsigned int idlestate)
+{
+ return cpuidle_state_get_one_string(cpu, idlestate, IDLESTATE_DESC);
+}
+
+/*
+ * Returns number of supported C-states of CPU core cpu
+ * Negativ in error case
+ * Zero if cpuidle does not export any C-states
+ */
+unsigned int cpuidle_state_count(unsigned int cpu)
+{
+ char file[SYSFS_PATH_MAX];
+ struct stat statbuf;
+ int idlestates = 1;
+
+
+ snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpuidle");
+ if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
+ return 0;
+
+ snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpu%u/cpuidle/state0", cpu);
+ if (stat(file, &statbuf) != 0 || !S_ISDIR(statbuf.st_mode))
+ return 0;
+
+ while (stat(file, &statbuf) == 0 && S_ISDIR(statbuf.st_mode)) {
+ snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU
+ "cpu%u/cpuidle/state%d", cpu, idlestates);
+ idlestates++;
+ }
+ idlestates--;
+ return idlestates;
+}
+
+/* CPUidle general /sys/devices/system/cpu/cpuidle/ sysfs access ********/
+
+/*
+ * helper function to read file from /sys into given buffer
+ * fname is a relative path under "cpu/cpuidle/" dir
+ */
+static unsigned int sysfs_cpuidle_read_file(const char *fname, char *buf,
+ size_t buflen)
+{
+ char path[SYSFS_PATH_MAX];
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpuidle/%s", fname);
+
+ return sysfs_read_file(path, buf, buflen);
+}
+
+
+
+/* read access to files which contain one string */
+
+enum cpuidle_string {
+ CPUIDLE_GOVERNOR,
+ CPUIDLE_GOVERNOR_RO,
+ CPUIDLE_DRIVER,
+ MAX_CPUIDLE_STRING_FILES
+};
+
+static const char *cpuidle_string_files[MAX_CPUIDLE_STRING_FILES] = {
+ [CPUIDLE_GOVERNOR] = "current_governor",
+ [CPUIDLE_GOVERNOR_RO] = "current_governor_ro",
+ [CPUIDLE_DRIVER] = "current_driver",
+};
+
+
+static char *sysfs_cpuidle_get_one_string(enum cpuidle_string which)
+{
+ char linebuf[MAX_LINE_LEN];
+ char *result;
+ unsigned int len;
+
+ if (which >= MAX_CPUIDLE_STRING_FILES)
+ return NULL;
+
+ len = sysfs_cpuidle_read_file(cpuidle_string_files[which],
+ linebuf, sizeof(linebuf));
+ if (len == 0)
+ return NULL;
+
+ result = strdup(linebuf);
+ if (result == NULL)
+ return NULL;
+
+ if (result[strlen(result) - 1] == '\n')
+ result[strlen(result) - 1] = '\0';
+
+ return result;
+}
+
+char *cpuidle_get_governor(void)
+{
+ char *tmp = sysfs_cpuidle_get_one_string(CPUIDLE_GOVERNOR_RO);
+ if (!tmp)
+ return sysfs_cpuidle_get_one_string(CPUIDLE_GOVERNOR);
+ else
+ return tmp;
+}
+
+char *cpuidle_get_driver(void)
+{
+ return sysfs_cpuidle_get_one_string(CPUIDLE_DRIVER);
+}
+/* CPUidle idlestate specific /sys/devices/system/cpu/cpuX/cpuidle/ access */
diff --git a/tools/power/cpupower/lib/cpuidle.h b/tools/power/cpupower/lib/cpuidle.h
new file mode 100644
index 000000000000..04eb3cfa6e42
--- /dev/null
+++ b/tools/power/cpupower/lib/cpuidle.h
@@ -0,0 +1,23 @@
+#ifndef __CPUPOWER_CPUIDLE_H__
+#define __CPUPOWER_CPUIDLE_H__
+
+int cpuidle_is_state_disabled(unsigned int cpu,
+ unsigned int idlestate);
+int cpuidle_state_disable(unsigned int cpu, unsigned int idlestate,
+ unsigned int disable);
+unsigned long cpuidle_state_latency(unsigned int cpu,
+ unsigned int idlestate);
+unsigned long cpuidle_state_usage(unsigned int cpu,
+ unsigned int idlestate);
+unsigned long long cpuidle_state_time(unsigned int cpu,
+ unsigned int idlestate);
+char *cpuidle_state_name(unsigned int cpu,
+ unsigned int idlestate);
+char *cpuidle_state_desc(unsigned int cpu,
+ unsigned int idlestate);
+unsigned int cpuidle_state_count(unsigned int cpu);
+
+char *cpuidle_get_governor(void);
+char *cpuidle_get_driver(void);
+
+#endif /* __CPUPOWER_HELPERS_SYSFS_H__ */
diff --git a/tools/power/cpupower/lib/cpupower.c b/tools/power/cpupower/lib/cpupower.c
new file mode 100644
index 000000000000..9c395ec924de
--- /dev/null
+++ b/tools/power/cpupower/lib/cpupower.c
@@ -0,0 +1,192 @@
+/*
+ * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
+ *
+ * Licensed under the terms of the GNU GPL License version 2.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "cpupower.h"
+#include "cpupower_intern.h"
+
+unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen)
+{
+ int fd;
+ ssize_t numread;
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1)
+ return 0;
+
+ numread = read(fd, buf, buflen - 1);
+ if (numread < 1) {
+ close(fd);
+ return 0;
+ }
+
+ buf[numread] = '\0';
+ close(fd);
+
+ return (unsigned int) numread;
+}
+
+/*
+ * Detect whether a CPU is online
+ *
+ * Returns:
+ * 1 -> if CPU is online
+ * 0 -> if CPU is offline
+ * negative errno values in error case
+ */
+int cpupower_is_cpu_online(unsigned int cpu)
+{
+ char path[SYSFS_PATH_MAX];
+ int fd;
+ ssize_t numread;
+ unsigned long long value;
+ char linebuf[MAX_LINE_LEN];
+ char *endp;
+ struct stat statbuf;
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u", cpu);
+
+ if (stat(path, &statbuf) != 0)
+ return 0;
+
+ /*
+ * kernel without CONFIG_HOTPLUG_CPU
+ * -> cpuX directory exists, but not cpuX/online file
+ */
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/online", cpu);
+ if (stat(path, &statbuf) != 0)
+ return 1;
+
+ fd = open(path, O_RDONLY);
+ if (fd == -1)
+ return -errno;
+
+ numread = read(fd, linebuf, MAX_LINE_LEN - 1);
+ if (numread < 1) {
+ close(fd);
+ return -EIO;
+ }
+ linebuf[numread] = '\0';
+ close(fd);
+
+ value = strtoull(linebuf, &endp, 0);
+ if (value > 1)
+ return -EINVAL;
+
+ return value;
+}
+
+/* returns -1 on failure, 0 on success */
+static int sysfs_topology_read_file(unsigned int cpu, const char *fname, int *result)
+{
+ char linebuf[MAX_LINE_LEN];
+ char *endp;
+ char path[SYSFS_PATH_MAX];
+
+ snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
+ cpu, fname);
+ if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
+ return -1;
+ *result = strtol(linebuf, &endp, 0);
+ if (endp == linebuf || errno == ERANGE)
+ return -1;
+ return 0;
+}
+
+static int __compare(const void *t1, const void *t2)
+{
+ struct cpuid_core_info *top1 = (struct cpuid_core_info *)t1;
+ struct cpuid_core_info *top2 = (struct cpuid_core_info *)t2;
+ if (top1->pkg < top2->pkg)
+ return -1;
+ else if (top1->pkg > top2->pkg)
+ return 1;
+ else if (top1->core < top2->core)
+ return -1;
+ else if (top1->core > top2->core)
+ return 1;
+ else if (top1->cpu < top2->cpu)
+ return -1;
+ else if (top1->cpu > top2->cpu)
+ return 1;
+ else
+ return 0;
+}
+
+/*
+ * Returns amount of cpus, negative on error, cpu_top must be
+ * passed to cpu_topology_release to free resources
+ *
+ * Array is sorted after ->pkg, ->core, then ->cpu
+ */
+int get_cpu_topology(struct cpupower_topology *cpu_top)
+{
+ int cpu, last_pkg, cpus = sysconf(_SC_NPROCESSORS_CONF);
+
+ cpu_top->core_info = malloc(sizeof(struct cpuid_core_info) * cpus);
+ if (cpu_top->core_info == NULL)
+ return -ENOMEM;
+ cpu_top->pkgs = cpu_top->cores = 0;
+ for (cpu = 0; cpu < cpus; cpu++) {
+ cpu_top->core_info[cpu].cpu = cpu;
+ cpu_top->core_info[cpu].is_online = cpupower_is_cpu_online(cpu);
+ if(sysfs_topology_read_file(
+ cpu,
+ "physical_package_id",
+ &(cpu_top->core_info[cpu].pkg)) < 0) {
+ cpu_top->core_info[cpu].pkg = -1;
+ cpu_top->core_info[cpu].core = -1;
+ continue;
+ }
+ if(sysfs_topology_read_file(
+ cpu,
+ "core_id",
+ &(cpu_top->core_info[cpu].core)) < 0) {
+ cpu_top->core_info[cpu].pkg = -1;
+ cpu_top->core_info[cpu].core = -1;
+ continue;
+ }
+ }
+
+ qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info),
+ __compare);
+
+ /* Count the number of distinct pkgs values. This works
+ because the primary sort of the core_info struct was just
+ done by pkg value. */
+ last_pkg = cpu_top->core_info[0].pkg;
+ for(cpu = 1; cpu < cpus; cpu++) {
+ if (cpu_top->core_info[cpu].pkg != last_pkg &&
+ cpu_top->core_info[cpu].pkg != -1) {
+
+ last_pkg = cpu_top->core_info[cpu].pkg;
+ cpu_top->pkgs++;
+ }
+ }
+ if (!(cpu_top->core_info[0].pkg == -1))
+ cpu_top->pkgs++;
+
+ /* Intel's cores count is not consecutively numbered, there may
+ * be a core_id of 3, but none of 2. Assume there always is 0
+ * Get amount of cores by counting duplicates in a package
+ for (cpu = 0; cpu_top->core_info[cpu].pkg = 0 && cpu < cpus; cpu++) {
+ if (cpu_top->core_info[cpu].core == 0)
+ cpu_top->cores++;
+ */
+ return cpus;
+}
+
+void cpu_topology_release(struct cpupower_topology cpu_top)
+{
+ free(cpu_top.core_info);
+}
diff --git a/tools/power/cpupower/lib/cpupower.h b/tools/power/cpupower/lib/cpupower.h
new file mode 100644
index 000000000000..fa031fcc7710
--- /dev/null
+++ b/tools/power/cpupower/lib/cpupower.h
@@ -0,0 +1,35 @@
+#ifndef __CPUPOWER_CPUPOWER_H__
+#define __CPUPOWER_CPUPOWER_H__
+
+struct cpupower_topology {
+ /* Amount of CPU cores, packages and threads per core in the system */
+ unsigned int cores;
+ unsigned int pkgs;
+ unsigned int threads; /* per core */
+
+ /* Array gets mallocated with cores entries, holding per core info */
+ struct cpuid_core_info *core_info;
+};
+
+struct cpuid_core_info {
+ int pkg;
+ int core;
+ int cpu;
+
+ /* flags */
+ unsigned int is_online:1;
+};
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int get_cpu_topology(struct cpupower_topology *cpu_top);
+void cpu_topology_release(struct cpupower_topology cpu_top);
+int cpupower_is_cpu_online(unsigned int cpu);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/tools/power/cpupower/lib/cpupower_intern.h b/tools/power/cpupower/lib/cpupower_intern.h
new file mode 100644
index 000000000000..f8ec4009621c
--- /dev/null
+++ b/tools/power/cpupower/lib/cpupower_intern.h
@@ -0,0 +1,5 @@
+#define PATH_TO_CPU "/sys/devices/system/cpu/"
+#define MAX_LINE_LEN 4096
+#define SYSFS_PATH_MAX 255
+
+unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
diff --git a/tools/power/cpupower/lib/sysfs.c b/tools/power/cpupower/lib/sysfs.c
deleted file mode 100644
index 870713a75a81..000000000000
--- a/tools/power/cpupower/lib/sysfs.c
+++ /dev/null
@@ -1,672 +0,0 @@
-/*
- * (C) 2004-2009 Dominik Brodowski <linux@dominikbrodowski.de>
- *
- * Licensed under the terms of the GNU GPL License version 2.
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-#include "cpufreq.h"
-
-#define PATH_TO_CPU "/sys/devices/system/cpu/"
-#define MAX_LINE_LEN 4096
-#define SYSFS_PATH_MAX 255
-
-
-static unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen)
-{
- int fd;
- ssize_t numread;
-
- fd = open(path, O_RDONLY);
- if (fd == -1)
- return 0;
-
- numread = read(fd, buf, buflen - 1);
- if (numread < 1) {
- close(fd);
- return 0;
- }
-
- buf[numread] = '\0';
- close(fd);
-
- return (unsigned int) numread;
-}
-
-
-/* CPUFREQ sysfs access **************************************************/
-
-/* helper function to read file from /sys into given buffer */
-/* fname is a relative path under "cpuX/cpufreq" dir */
-static unsigned int sysfs_cpufreq_read_file(unsigned int cpu, const char *fname,
- char *buf, size_t buflen)
-{
- char path[SYSFS_PATH_MAX];
-
- snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpufreq/%s",
- cpu, fname);
- return sysfs_read_file(path, buf, buflen);
-}
-
-/* helper function to write a new value to a /sys file */
-/* fname is a relative path under "cpuX/cpufreq" dir */
-static unsigned int sysfs_cpufreq_write_file(unsigned int cpu,
- const char *fname,
- const char *value, size_t len)
-{
- char path[SYSFS_PATH_MAX];
- int fd;
- ssize_t numwrite;
-
- snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/cpufreq/%s",
- cpu, fname);
-
- fd = open(path, O_WRONLY);
- if (fd == -1)
- return 0;
-
- numwrite = write(fd, value, len);
- if (numwrite < 1) {
- close(fd);
- return 0;
- }
-
- close(fd);
-
- return (unsigned int) numwrite;
-}
-
-/* read access to files which contain one numeric value */
-
-enum cpufreq_value {
- CPUINFO_CUR_FREQ,
- CPUINFO_MIN_FREQ,
- CPUINFO_MAX_FREQ,
- CPUINFO_LATENCY,
- SCALING_CUR_FREQ,
- SCALING_MIN_FREQ,
- SCALING_MAX_FREQ,
- STATS_NUM_TRANSITIONS,
- MAX_CPUFREQ_VALUE_READ_FILES
-};
-
-static const char *cpufreq_value_files[MAX_CPUFREQ_VALUE_READ_FILES] = {
- [CPUINFO_CUR_FREQ] = "cpuinfo_cur_freq",
- [CPUINFO_MIN_FREQ] = "cpuinfo_min_freq",
- [CPUINFO_MAX_FREQ] = "cpuinfo_max_freq",
- [CPUINFO_LATENCY] = "cpuinfo_transition_latency",
- [SCALING_CUR_FREQ] = "scaling_cur_freq",
- [SCALING_MIN_FREQ] = "scaling_min_freq",
- [SCALING_MAX_FREQ] = "scaling_max_freq",
- [STATS_NUM_TRANSITIONS] = "stats/total_trans"
-};
-
-
-static unsigned long sysfs_cpufreq_get_one_value(unsigned int cpu,
- enum cpufreq_value which)
-{
- unsigned long value;
- unsigned int len;
- char linebuf[MAX_LINE_LEN];
- char *endp;
-
- if (which >= MAX_CPUFREQ_VALUE_READ_FILES)
- return 0;
-
- len = sysfs_cpufreq_read_file(cpu, cpufreq_value_files[which],
- linebuf, sizeof(linebuf));
-
- if (len == 0)
- return 0;
-
- value = strtoul(linebuf, &endp, 0);
-
- if (endp == linebuf || errno == ERANGE)
- return 0;
-
- return value;
-}
-
-/* read access to files which contain one string */
-
-enum cpufreq_string {
- SCALING_DRIVER,
- SCALING_GOVERNOR,
- MAX_CPUFREQ_STRING_FILES
-};
-
-static const char *cpufreq_string_files[MAX_CPUFREQ_STRING_FILES] = {
- [SCALING_DRIVER] = "scaling_driver",
- [SCALING_GOVERNOR] = "scaling_governor",
-};
-
-
-static char *sysfs_cpufreq_get_one_string(unsigned int cpu,
- enum cpufreq_string which)
-{
- char linebuf[MAX_LINE_LEN];
- char *result;
- unsigned int len;
-
- if (which >= MAX_CPUFREQ_STRING_FILES)
- return NULL;
-
- len = sysfs_cpufreq_read_file(cpu, cpufreq_string_files[which],
- linebuf, sizeof(linebuf));
- if (len == 0)
- return NULL;
-
- result = strdup(linebuf);
- if (result == NULL)
- return NULL;
-
- if (result[strlen(result) - 1] == '\n')
- result[strlen(result) - 1] = '\0';
-
- return result;
-}
-
-/* write access */
-
-enum cpufreq_write {
- WRITE_SCALING_MIN_FREQ,
- WRITE_SCALING_MAX_FREQ,
- WRITE_SCALING_GOVERNOR,
- WRITE_SCALING_SET_SPEED,
- MAX_CPUFREQ_WRITE_FILES
-};
-
-static const char *cpufreq_write_files[MAX_CPUFREQ_WRITE_FILES] = {
- [WRITE_SCALING_MIN_FREQ] = "scaling_min_freq",
- [WRITE_SCALING_MAX_FREQ] = "scaling_max_freq",
- [WRITE_SCALING_GOVERNOR] = "scaling_governor",
- [WRITE_SCALING_SET_SPEED] = "scaling_setspeed",
-};
-
-static int sysfs_cpufreq_write_one_value(unsigned int cpu,
- enum cpufreq_write which,
- const char *new_value, size_t len)
-{
- if (which >= MAX_CPUFREQ_WRITE_FILES)
- return 0;
-
- if (sysfs_cpufreq_write_file(cpu, cpufreq_write_files[which],
- new_value, len) != len)
- return -ENODEV;
-
- return 0;
-};
-
-unsigned long sysfs_get_freq_kernel(unsigned int cpu)
-{
- return sysfs_cpufreq_get_one_value(cpu, SCALING_CUR_FREQ);
-}
-
-unsigned long sysfs_get_freq_hardware(unsigned int cpu)
-{
- return sysfs_cpufreq_get_one_value(cpu, CPUINFO_CUR_FREQ);
-}
-
-unsigned long sysfs_get_freq_transition_latency(unsigned int cpu)
-{
- return sysfs_cpufreq_get_one_value(cpu, CPUINFO_LATENCY);
-}
-
-int sysfs_get_freq_hardware_limits(unsigned int cpu,
- unsigned long *min,
- unsigned long *max)
-{
- if ((!min) || (!max))
- return -EINVAL;
-
- *min = sysfs_cpufreq_get_one_value(cpu, CPUINFO_MIN_FREQ);
- if (!*min)
- return -ENODEV;
-
- *max = sysfs_cpufreq_get_one_value(cpu, CPUINFO_MAX_FREQ);
- if (!*max)
- return -ENODEV;
-
- return 0;
-}
-
-char *sysfs_get_freq_driver(unsigned int cpu)
-{
- return sysfs_cpufreq_get_one_string(cpu, SCALING_DRIVER);
-}
-
-struct cpufreq_policy *sysfs_get_freq_policy(unsigned int cpu)
-{
- struct cpufreq_policy *policy;
-
- policy = malloc(sizeof(struct cpufreq_policy));
- if (!policy)
- return NULL;
-
- policy->governor = sysfs_cpufreq_get_one_string(cpu, SCALING_GOVERNOR);
- if (!policy->governor) {
- free(policy);
- return NULL;
- }
- policy->min = sysfs_cpufreq_get_one_value(cpu, SCALING_MIN_FREQ);
- policy->max = sysfs_cpufreq_get_one_value(cpu, SCALING_MAX_FREQ);
- if ((!policy->min) || (!policy->max)) {
- free(policy->governor);
- free(policy);
- return NULL;
- }
-
- return policy;
-}
-
-struct cpufreq_available_governors *
-sysfs_get_freq_available_governors(unsigned int cpu) {
- struct cpufreq_available_governors *first = NULL;
- struct cpufreq_available_governors *current = NULL;
- char linebuf[MAX_LINE_LEN];
- unsigned int pos, i;
- unsigned int len;
-
- len = sysfs_cpufreq_read_file(cpu, "scaling_available_governors",
- linebuf, sizeof(linebuf));
- if (len == 0)
- return NULL;
-
- pos = 0;
- for (i = 0; i < len; i++) {
- if (linebuf[i] == ' ' || linebuf[i] == '\n') {
- if (i - pos < 2)
- continue;
- if (current) {
- current->next = malloc(sizeof(*current));
- if (!current->next)
- goto error_out;
- current = current->next;
- } else {
- first = malloc(sizeof(*first));
- if (!first)
- goto error_out;
- current = first;
- }
- current->first = first;
- current->next = NULL;
-
- current->governor = malloc(i - pos + 1);
- if (!current->governor)
- goto error_out;
-
- memcpy(current->governor, linebuf + pos, i - pos);
- current->governor[i - pos] = '\0';
- pos = i + 1;
- }
- }
-
- return first;
-
- error_out:
- while (first) {
- current = first->next;
- if (first->governor)
- free(first->governor);
- free(first);
- first = current;
- }
- return NULL;
-}
-
-
-struct cpufreq_available_frequencies *
-sysfs_get_available_frequencies(unsigned int cpu) {
- struct cpufreq_available_frequencies *first = NULL;
- struct cpufreq_available_frequencies *current = NULL;
- char one_value[SYSFS_PATH_MAX];
- char linebuf[MAX_LINE_LEN];
- unsigned int pos, i;
- unsigned int len;
-
- len = sysfs_cpufreq_read_file(cpu, "scaling_available_frequencies",
- linebuf, sizeof(linebuf));
- if (len == 0)
- return NULL;
-
- pos = 0;
- for (i = 0; i < len; i++) {
- if (linebuf[i] == ' ' || linebuf[i] == '\n') {
- if (i - pos < 2)
- continue;
- if (i - pos >= SYSFS_PATH_MAX)
- goto error_out;
- if (current) {
- current->next = malloc(sizeof(*current));
- if (!current->next)
- goto error_out;
- current = current->next;
- } else {
- first = malloc(sizeof(*first));
- if (!first)
- goto error_out;
- current = first;
- }
- current->first = first;
- current->next = NULL;
-
- memcpy(one_value, linebuf + pos, i - pos);
- one_value[i - pos] = '\0';
- if (sscanf(one_value, "%lu", &current->frequency) != 1)
- goto error_out;
-
- pos = i + 1;
- }
- }
-
- return first;
-
- error_out:
- while (first) {
- current = first->next;
- free(first);
- first = current;
- }
- return NULL;
-}
-
-static struct cpufreq_affected_cpus *sysfs_get_cpu_list(unsigned int cpu,
- const char *file)
-{
- struct cpufreq_affected_cpus *first = NULL;
- struct cpufreq_affected_cpus *current = NULL;
- char one_value[SYSFS_PATH_MAX];
- char linebuf[MAX_LINE_LEN];
- unsigned int pos, i;
- unsigned int len;
-
- len = sysfs_cpufreq_read_file(cpu, file, linebuf, sizeof(linebuf));
- if (len == 0)
- return NULL;
-
- pos = 0;
- for (i = 0; i < len; i++) {
- if (i == len || linebuf[i] == ' ' || linebuf[i] == '\n') {
- if (i - pos < 1)
- continue;
- if (i - pos >= SYSFS_PATH_MAX)
- goto error_out;
- if (current) {
- current->next = malloc(sizeof(*current));
- if (!current->next)
- goto error_out;
- current = current->next;
- } else {
- first = malloc(sizeof(*first));
- if (!first)
- goto error_out;
- current = first;
- }
- current->first = first;
- current->next = NULL;
-
- memcpy(one_value, linebuf + pos, i - pos);
- one_value[i - pos] = '\0';
-
- if (sscanf(one_value, "%u", &current->cpu) != 1)
- goto error_out;
-
- pos = i + 1;
- }
- }
-
- return first;
-
- error_out:
- while (first) {
- current = first->next;
- free(first);
- first = current;
- }
- return NULL;
-}
-
-struct cpufreq_affected_cpus *sysfs_get_freq_affected_cpus(unsigned int cpu)
-{
- return sysfs_get_cpu_list(cpu, "affected_cpus");
-}
-
-struct cpufreq_affected_cpus *sysfs_get_freq_related_cpus(unsigned int cpu)
-{
- return sysfs_get_cpu_list(cpu, "related_cpus");
-}
-
-struct cpufreq_stats *sysfs_get_freq_stats(unsigned int cpu,
- unsigned long long *total_time) {
- struct cpufreq_stats *first = NULL;
- struct cpufreq_stats *current = NULL;
- char one_value[SYSFS_PATH_MAX];
- char linebuf[MAX_LINE_LEN];
- unsigned int pos, i;
- unsigned int len;
-
- len = sysfs_cpufreq_read_file(cpu, "stats/time_in_state",
- linebuf, sizeof(linebuf));
- if (len == 0)
- return NULL;
-
- *total_time = 0;
- pos = 0;
- for (i = 0; i < len; i++) {
- if (i == strlen(linebuf) || linebuf[i] == '\n') {
- if (i - pos < 2)
- continue;
- if ((i - pos) >= SYSFS_PATH_MAX)
- goto error_out;
- if (current) {
- current->next = malloc(sizeof(*current));
- if (!current->next)
- goto error_out;
- current = current->next;
- } else {
- first = malloc(sizeof(*first));
- if (!first)
- goto error_out;
- current = first;
- }
- current->first = first;
- current->next = NULL;
-
- memcpy(one_value, linebuf + pos, i - pos);
- one_value[i - pos] = '\0';
- if (sscanf(one_value, "%lu %llu",
- &current->frequency,
- &current->time_in_state) != 2)
- goto error_out;
-
- *total_time = *total_time + current->time_in_state;
- pos = i + 1;
- }
- }
-
- return first;
-
- error_out:
- while (first) {
- current = first->next;
- free(first);
- first = current;
- }
- return NULL;
-}
-
-unsigned long sysfs_get_freq_transitions(unsigned int cpu)
-{
- return sysfs_cpufreq_get_one_value(cpu, STATS_NUM_TRANSITIONS);
-}
-
-static int verify_gov(char *new_gov, char *passed_gov)
-{
- unsigned int i, j = 0;
-
- if (!passed_gov || (strlen(passed_gov) > 19))
- return -EINVAL;
-
- strncpy(new_gov, passed_gov, 20);
- for (i = 0; i < 20; i++) {
- if (j) {
- new_gov[i] = '\0';
- continue;
- }
- if ((new_gov[i] >= 'a') && (new_gov[i] <= 'z'))
- continue;
-
- if ((new_gov[i] >= 'A') && (new_gov[i] <= 'Z'))
- continue;
-
- if (new_gov[i] == '-')
- continue;
-
- if (new_gov[i] == '_')
- continue;
-
- if (new_gov[i] == '\0') {
- j = 1;
- continue;
- }
- return -EINVAL;
- }
- new_gov[19] = '\0';
- return 0;
-}
-
-int sysfs_modify_freq_policy_governor(unsigned int cpu, char *governor)
-{
- char new_gov[SYSFS_PATH_MAX];
-
- if (!governor)
- return -EINVAL;
-
- if (verify_gov(new_gov, governor))
- return -EINVAL;
-
- return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_GOVERNOR,
- new_gov, strlen(new_gov));
-};
-
-int sysfs_modify_freq_policy_max(unsigned int cpu, unsigned long max_freq)
-{
- char value[SYSFS_PATH_MAX];
-
- snprintf(value, SYSFS_PATH_MAX, "%lu", max_freq);
-
- return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
- value, strlen(value));
-};
-
-
-int sysfs_modify_freq_policy_min(unsigned int cpu, unsigned long min_freq)
-{
- char value[SYSFS_PATH_MAX];
-
- snprintf(value, SYSFS_PATH_MAX, "%lu", min_freq);
-
- return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MIN_FREQ,
- value, strlen(value));
-};
-
-
-int sysfs_set_freq_policy(unsigned int cpu, struct cpufreq_policy *policy)
-{
- char min[SYSFS_PATH_MAX];
- char max[SYSFS_PATH_MAX];
- char gov[SYSFS_PATH_MAX];
- int ret;
- unsigned long old_min;
- int write_max_first;
-
- if (!policy || !(policy->governor))
- return -EINVAL;
-
- if (policy->max < policy->min)
- return -EINVAL;
-
- if (verify_gov(gov, policy->governor))
- return -EINVAL;
-
- snprintf(min, SYSFS_PATH_MAX, "%lu", policy->min);
- snprintf(max, SYSFS_PATH_MAX, "%lu", policy->max);
-
- old_min = sysfs_cpufreq_get_one_value(cpu, SCALING_MIN_FREQ);
- write_max_first = (old_min && (policy->max < old_min) ? 0 : 1);
-
- if (write_max_first) {
- ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
- max, strlen(max));
- if (ret)
- return ret;
- }
-
- ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MIN_FREQ, min,
- strlen(min));
- if (ret)
- return ret;
-
- if (!write_max_first) {
- ret = sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_MAX_FREQ,
- max, strlen(max));
- if (ret)
- return ret;
- }
-
- return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_GOVERNOR,
- gov, strlen(gov));
-}
-
-int sysfs_set_frequency(unsigned int cpu, unsigned long target_frequency)
-{
- struct cpufreq_policy *pol = sysfs_get_freq_policy(cpu);
- char userspace_gov[] = "userspace";
- char freq[SYSFS_PATH_MAX];
- int ret;
-
- if (!pol)
- return -ENODEV;
-
- if (strncmp(pol->governor, userspace_gov, 9) != 0) {
- ret = sysfs_modify_freq_policy_governor(cpu, userspace_gov);
- if (ret) {
- cpufreq_put_policy(pol);
- return ret;
- }
- }
-
- cpufreq_put_policy(pol);
-
- snprintf(freq, SYSFS_PATH_MAX, "%lu", target_frequency);
-
- return sysfs_cpufreq_write_one_value(cpu, WRITE_SCALING_SET_SPEED,
- freq, strlen(freq));
-}
-
-/* CPUFREQ sysfs access **************************************************/
-
-/* General sysfs access **************************************************/
-int sysfs_cpu_exists(unsigned int cpu)
-{
- char file[SYSFS_PATH_MAX];
- struct stat statbuf;
-
- snprintf(file, SYSFS_PATH_MAX, PATH_TO_CPU "cpu%u/", cpu);
-
- if (stat(file, &statbuf) != 0)
- return -ENOSYS;
-
- return S_ISDIR(statbuf.st_mode) ? 0 : -ENOSYS;
-}
-
-/* General sysfs access **************************************************/
diff --git a/tools/power/cpupower/lib/sysfs.h b/tools/power/cpupower/lib/sysfs.h
deleted file mode 100644
index c76a5e0af501..000000000000
--- a/tools/power/cpupower/lib/sysfs.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/* General */
-extern unsigned int sysfs_cpu_exists(unsigned int cpu);
-
-/* CPUfreq */
-extern unsigned long sysfs_get_freq_kernel(unsigned int cpu);
-extern unsigned long sysfs_get_freq_hardware(unsigned int cpu);
-extern unsigned long sysfs_get_freq_transition_latency(unsigned int cpu);
-extern int sysfs_get_freq_hardware_limits(unsigned int cpu,
- unsigned long *min, unsigned long *max);
-extern char *sysfs_get_freq_driver(unsigned int cpu);
-extern struct cpufreq_policy *sysfs_get_freq_policy(unsigned int cpu);
-extern struct cpufreq_available_governors *sysfs_get_freq_available_governors(
- unsigned int cpu);
-extern struct cpufreq_available_frequencies *sysfs_get_available_frequencies(
- unsigned int cpu);
-extern struct cpufreq_affected_cpus *sysfs_get_freq_affected_cpus(
- unsigned int cpu);
-extern struct cpufreq_affected_cpus *sysfs_get_freq_related_cpus(
- unsigned int cpu);
-extern struct cpufreq_stats *sysfs_get_freq_stats(unsigned int cpu,
- unsigned long long *total_time);
-extern unsigned long sysfs_get_freq_transitions(unsigned int cpu);
-extern int sysfs_set_freq_policy(unsigned int cpu,
- struct cpufreq_policy *policy);
-extern int sysfs_modify_freq_policy_min(unsigned int cpu,
- unsigned long min_freq);
-extern int sysfs_modify_freq_policy_max(unsigned int cpu,
- unsigned long max_freq);
-extern int sysfs_modify_freq_policy_governor(unsigned int cpu, char *governor);
-extern int sysfs_set_frequency(unsigned int cpu,
- unsigned long target_frequency);
diff --git a/tools/power/cpupower/man/cpupower-frequency-info.1 b/tools/power/cpupower/man/cpupower-frequency-info.1
index 9c85a382e355..6aa8d239dff9 100644
--- a/tools/power/cpupower/man/cpupower-frequency-info.1
+++ b/tools/power/cpupower/man/cpupower-frequency-info.1
@@ -1,7 +1,7 @@
.TH "CPUPOWER\-FREQUENCY\-INFO" "1" "0.1" "" "cpupower Manual"
.SH "NAME"
.LP
-cpupower frequency\-info \- Utility to retrieve cpufreq kernel information
+cpupower\-frequency\-info \- Utility to retrieve cpufreq kernel information
.SH "SYNTAX"
.LP
cpupower [ \-c cpulist ] frequency\-info [\fIoptions\fP]
diff --git a/tools/power/cpupower/man/cpupower-frequency-set.1 b/tools/power/cpupower/man/cpupower-frequency-set.1
index 3eacc8d03d1a..b50570221a5b 100644
--- a/tools/power/cpupower/man/cpupower-frequency-set.1
+++ b/tools/power/cpupower/man/cpupower-frequency-set.1
@@ -1,7 +1,7 @@
.TH "CPUPOWER\-FREQUENCY\-SET" "1" "0.1" "" "cpupower Manual"
.SH "NAME"
.LP
-cpupower frequency\-set \- A small tool which allows to modify cpufreq settings.
+cpupower\-frequency\-set \- A small tool which allows to modify cpufreq settings.
.SH "SYNTAX"
.LP
cpupower [ \-c cpu ] frequency\-set [\fIoptions\fP]
diff --git a/tools/power/cpupower/man/cpupower-idle-info.1 b/tools/power/cpupower/man/cpupower-idle-info.1
index 7b3646adb92f..80a1311fa747 100644
--- a/tools/power/cpupower/man/cpupower-idle-info.1
+++ b/tools/power/cpupower/man/cpupower-idle-info.1
@@ -1,7 +1,7 @@
.TH "CPUPOWER-IDLE-INFO" "1" "0.1" "" "cpupower Manual"
.SH "NAME"
.LP
-cpupower idle\-info \- Utility to retrieve cpu idle kernel information
+cpupower\-idle\-info \- Utility to retrieve cpu idle kernel information
.SH "SYNTAX"
.LP
cpupower [ \-c cpulist ] idle\-info [\fIoptions\fP]
diff --git a/tools/power/cpupower/man/cpupower-idle-set.1 b/tools/power/cpupower/man/cpupower-idle-set.1
index 580c4e3ea92a..21916cff7516 100644
--- a/tools/power/cpupower/man/cpupower-idle-set.1
+++ b/tools/power/cpupower/man/cpupower-idle-set.1
@@ -1,7 +1,7 @@
.TH "CPUPOWER-IDLE-SET" "1" "0.1" "" "cpupower Manual"
.SH "NAME"
.LP
-cpupower idle\-set \- Utility to set cpu idle state specific kernel options
+cpupower\-idle\-set \- Utility to set cpu idle state specific kernel options
.SH "SYNTAX"
.LP
cpupower [ \-c cpulist ] idle\-info [\fIoptions\fP]
diff --git a/tools/power/cpupower/utils/cpufreq-set.c b/tools/power/cpupower/utils/cpufreq-set.c
index 0fbd1a22c0a9..b4bf76971dc9 100644
--- a/tools/power/cpupower/utils/cpufreq-set.c
+++ b/tools/power/cpupower/utils/cpufreq-set.c
@@ -16,8 +16,8 @@
#include <getopt.h>
#include "cpufreq.h"
+#include "cpuidle.h"
#include "helpers/helpers.h"
-#include "helpers/sysfs.h"
#define NORM_FREQ_LEN 32
@@ -296,7 +296,7 @@ int cmd_freq_set(int argc, char **argv)
struct cpufreq_affected_cpus *cpus;
if (!bitmask_isbitset(cpus_chosen, cpu) ||
- cpufreq_cpu_exists(cpu))
+ cpupower_is_cpu_online(cpu))
continue;
cpus = cpufreq_get_related_cpus(cpu);
@@ -316,10 +316,10 @@ int cmd_freq_set(int argc, char **argv)
cpu <= bitmask_last(cpus_chosen); cpu++) {
if (!bitmask_isbitset(cpus_chosen, cpu) ||
- cpufreq_cpu_exists(cpu))
+ cpupower_is_cpu_online(cpu))
continue;
- if (sysfs_is_cpu_online(cpu) != 1)
+ if (cpupower_is_cpu_online(cpu) != 1)
continue;
printf(_("Setting cpu: %d\n"), cpu);
diff --git a/tools/power/cpupower/utils/cpuidle-info.c b/tools/power/cpupower/utils/cpuidle-info.c
index 8bf8ab5ffa25..b59c85defa05 100644
--- a/tools/power/cpupower/utils/cpuidle-info.c
+++ b/tools/power/cpupower/utils/cpuidle-info.c
@@ -13,8 +13,10 @@
#include <string.h>
#include <getopt.h>
-#include "helpers/helpers.h"
+#include <cpuidle.h>
+
#include "helpers/sysfs.h"
+#include "helpers/helpers.h"
#include "helpers/bitmask.h"
#define LINE_LEN 10
@@ -24,7 +26,7 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
unsigned int idlestates, idlestate;
char *tmp;
- idlestates = sysfs_get_idlestate_count(cpu);
+ idlestates = cpuidle_state_count(cpu);
if (idlestates == 0) {
printf(_("CPU %u: No idle states\n"), cpu);
return;
@@ -33,7 +35,7 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
printf(_("Number of idle states: %d\n"), idlestates);
printf(_("Available idle states:"));
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- tmp = sysfs_get_idlestate_name(cpu, idlestate);
+ tmp = cpuidle_state_name(cpu, idlestate);
if (!tmp)
continue;
printf(" %s", tmp);
@@ -45,28 +47,28 @@ static void cpuidle_cpu_output(unsigned int cpu, int verbose)
return;
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- int disabled = sysfs_is_idlestate_disabled(cpu, idlestate);
+ int disabled = cpuidle_is_state_disabled(cpu, idlestate);
/* Disabled interface not supported on older kernels */
if (disabled < 0)
disabled = 0;
- tmp = sysfs_get_idlestate_name(cpu, idlestate);
+ tmp = cpuidle_state_name(cpu, idlestate);
if (!tmp)
continue;
printf("%s%s:\n", tmp, (disabled) ? " (DISABLED) " : "");
free(tmp);
- tmp = sysfs_get_idlestate_desc(cpu, idlestate);
+ tmp = cpuidle_state_desc(cpu, idlestate);
if (!tmp)
continue;
printf(_("Flags/Description: %s\n"), tmp);
free(tmp);
printf(_("Latency: %lu\n"),
- sysfs_get_idlestate_latency(cpu, idlestate));
+ cpuidle_state_latency(cpu, idlestate));
printf(_("Usage: %lu\n"),
- sysfs_get_idlestate_usage(cpu, idlestate));
+ cpuidle_state_usage(cpu, idlestate));
printf(_("Duration: %llu\n"),
- sysfs_get_idlestate_time(cpu, idlestate));
+ cpuidle_state_time(cpu, idlestate));
}
}
@@ -74,7 +76,7 @@ static void cpuidle_general_output(void)
{
char *tmp;
- tmp = sysfs_get_cpuidle_driver();
+ tmp = cpuidle_get_driver();
if (!tmp) {
printf(_("Could not determine cpuidle driver\n"));
return;
@@ -83,7 +85,7 @@ static void cpuidle_general_output(void)
printf(_("CPUidle driver: %s\n"), tmp);
free(tmp);
- tmp = sysfs_get_cpuidle_governor();
+ tmp = cpuidle_get_governor();
if (!tmp) {
printf(_("Could not determine cpuidle governor\n"));
return;
@@ -98,7 +100,7 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
long max_allowed_cstate = 2000000000;
unsigned int cstate, cstates;
- cstates = sysfs_get_idlestate_count(cpu);
+ cstates = cpuidle_state_count(cpu);
if (cstates == 0) {
printf(_("CPU %u: No C-states info\n"), cpu);
return;
@@ -113,11 +115,11 @@ static void proc_cpuidle_cpu_output(unsigned int cpu)
"type[C%d] "), cstate, cstate);
printf(_("promotion[--] demotion[--] "));
printf(_("latency[%03lu] "),
- sysfs_get_idlestate_latency(cpu, cstate));
+ cpuidle_state_latency(cpu, cstate));
printf(_("usage[%08lu] "),
- sysfs_get_idlestate_usage(cpu, cstate));
+ cpuidle_state_usage(cpu, cstate));
printf(_("duration[%020Lu] \n"),
- sysfs_get_idlestate_time(cpu, cstate));
+ cpuidle_state_time(cpu, cstate));
}
}
diff --git a/tools/power/cpupower/utils/cpuidle-set.c b/tools/power/cpupower/utils/cpuidle-set.c
index d6b6ae44b8c2..691c24d50ef4 100644
--- a/tools/power/cpupower/utils/cpuidle-set.c
+++ b/tools/power/cpupower/utils/cpuidle-set.c
@@ -5,12 +5,12 @@
#include <limits.h>
#include <string.h>
#include <ctype.h>
-
#include <getopt.h>
-#include "cpufreq.h"
+#include <cpufreq.h>
+#include <cpuidle.h>
+
#include "helpers/helpers.h"
-#include "helpers/sysfs.h"
static struct option info_opts[] = {
{"disable", required_argument, NULL, 'd'},
@@ -104,16 +104,16 @@ int cmd_idle_set(int argc, char **argv)
if (!bitmask_isbitset(cpus_chosen, cpu))
continue;
- if (sysfs_is_cpu_online(cpu) != 1)
+ if (cpupower_is_cpu_online(cpu) != 1)
continue;
- idlestates = sysfs_get_idlestate_count(cpu);
+ idlestates = cpuidle_state_count(cpu);
if (idlestates <= 0)
continue;
switch (param) {
case 'd':
- ret = sysfs_idlestate_disable(cpu, idlestate, 1);
+ ret = cpuidle_state_disable(cpu, idlestate, 1);
if (ret == 0)
printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu);
else if (ret == -1)
@@ -126,7 +126,7 @@ int cmd_idle_set(int argc, char **argv)
idlestate, cpu);
break;
case 'e':
- ret = sysfs_idlestate_disable(cpu, idlestate, 0);
+ ret = cpuidle_state_disable(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
else if (ret == -1)
@@ -140,13 +140,13 @@ int cmd_idle_set(int argc, char **argv)
break;
case 'D':
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- disabled = sysfs_is_idlestate_disabled
+ disabled = cpuidle_is_state_disabled
(cpu, idlestate);
- state_latency = sysfs_get_idlestate_latency
+ state_latency = cpuidle_state_latency
(cpu, idlestate);
if (disabled == 1) {
if (latency > state_latency){
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
@@ -154,7 +154,7 @@ int cmd_idle_set(int argc, char **argv)
continue;
}
if (latency <= state_latency){
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 1);
if (ret == 0)
printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu);
@@ -163,10 +163,10 @@ int cmd_idle_set(int argc, char **argv)
break;
case 'E':
for (idlestate = 0; idlestate < idlestates; idlestate++) {
- disabled = sysfs_is_idlestate_disabled
+ disabled = cpuidle_is_state_disabled
(cpu, idlestate);
if (disabled == 1) {
- ret = sysfs_idlestate_disable
+ ret = cpuidle_state_disable
(cpu, idlestate, 0);
if (ret == 0)
printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu);
diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h
index aa9e95486a2d..afb66f80554e 100644
--- a/tools/power/cpupower/utils/helpers/helpers.h
+++ b/tools/power/cpupower/utils/helpers/helpers.h
@@ -14,6 +14,7 @@
#include <locale.h>
#include "helpers/bitmask.h"
+#include <cpupower.h>
/* Internationalization ****************************/
#ifdef NLS
@@ -92,31 +93,6 @@ extern int get_cpu_info(unsigned int cpu, struct cpupower_cpu_info *cpu_info);
extern struct cpupower_cpu_info cpupower_cpu_info;
/* cpuid and cpuinfo helpers **************************/
-struct cpuid_core_info {
- int pkg;
- int core;
- int cpu;
-
- /* flags */
- unsigned int is_online:1;
-};
-
-/* CPU topology/hierarchy parsing ******************/
-struct cpupower_topology {
- /* Amount of CPU cores, packages and threads per core in the system */
- unsigned int cores;
- unsigned int pkgs;
- unsigned int threads; /* per core */
-
- /* Array gets mallocated with cores entries, holding per core info */
- struct cpuid_core_info *core_info;
-};
-
-extern int get_cpu_topology(struct cpupower_topology *cpu_top);
-extern void cpu_topology_release(struct cpupower_topology cpu_top);
-
-/* CPU topology/hierarchy parsing ******************/
-
/* X86 ONLY ****************************************/
#if defined(__i386__) || defined(__x86_64__)
diff --git a/tools/power/cpupower/utils/helpers/topology.c b/tools/power/cpupower/utils/helpers/topology.c
index 5f9c908f4557..a1a6c6041a1e 100644
--- a/tools/power/cpupower/utils/helpers/topology.c
+++ b/tools/power/cpupower/utils/helpers/topology.c
@@ -16,110 +16,7 @@
#include <errno.h>
#include <fcntl.h>
-#include <helpers/helpers.h>
-#include <helpers/sysfs.h>
+#include <cpuidle.h>
-/* returns -1 on failure, 0 on success */
-static int sysfs_topology_read_file(unsigned int cpu, const char *fname, int *result)
-{
- char linebuf[MAX_LINE_LEN];
- char *endp;
- char path[SYSFS_PATH_MAX];
+/* CPU topology/hierarchy parsing ******************/
- snprintf(path, sizeof(path), PATH_TO_CPU "cpu%u/topology/%s",
- cpu, fname);
- if (sysfs_read_file(path, linebuf, MAX_LINE_LEN) == 0)
- return -1;
- *result = strtol(linebuf, &endp, 0);
- if (endp == linebuf || errno == ERANGE)
- return -1;
- return 0;
-}
-
-static int __compare(const void *t1, const void *t2)
-{
- struct cpuid_core_info *top1 = (struct cpuid_core_info *)t1;
- struct cpuid_core_info *top2 = (struct cpuid_core_info *)t2;
- if (top1->pkg < top2->pkg)
- return -1;
- else if (top1->pkg > top2->pkg)
- return 1;
- else if (top1->core < top2->core)
- return -1;
- else if (top1->core > top2->core)
- return 1;
- else if (top1->cpu < top2->cpu)
- return -1;
- else if (top1->cpu > top2->cpu)
- return 1;
- else
- return 0;
-}
-
-/*
- * Returns amount of cpus, negative on error, cpu_top must be
- * passed to cpu_topology_release to free resources
- *
- * Array is sorted after ->pkg, ->core, then ->cpu
- */
-int get_cpu_topology(struct cpupower_topology *cpu_top)
-{
- int cpu, last_pkg, cpus = sysconf(_SC_NPROCESSORS_CONF);
-
- cpu_top->core_info = malloc(sizeof(struct cpuid_core_info) * cpus);
- if (cpu_top->core_info == NULL)
- return -ENOMEM;
- cpu_top->pkgs = cpu_top->cores = 0;
- for (cpu = 0; cpu < cpus; cpu++) {
- cpu_top->core_info[cpu].cpu = cpu;
- cpu_top->core_info[cpu].is_online = sysfs_is_cpu_online(cpu);
- if(sysfs_topology_read_file(
- cpu,
- "physical_package_id",
- &(cpu_top->core_info[cpu].pkg)) < 0) {
- cpu_top->core_info[cpu].pkg = -1;
- cpu_top->core_info[cpu].core = -1;
- continue;
- }
- if(sysfs_topology_read_file(
- cpu,
- "core_id",
- &(cpu_top->core_info[cpu].core)) < 0) {
- cpu_top->core_info[cpu].pkg = -1;
- cpu_top->core_info[cpu].core = -1;
- continue;
- }
- }
-
- qsort(cpu_top->core_info, cpus, sizeof(struct cpuid_core_info),
- __compare);
-
- /* Count the number of distinct pkgs values. This works
- because the primary sort of the core_info struct was just
- done by pkg value. */
- last_pkg = cpu_top->core_info[0].pkg;
- for(cpu = 1; cpu < cpus; cpu++) {
- if (cpu_top->core_info[cpu].pkg != last_pkg &&
- cpu_top->core_info[cpu].pkg != -1) {
-
- last_pkg = cpu_top->core_info[cpu].pkg;
- cpu_top->pkgs++;
- }
- }
- if (!(cpu_top->core_info[0].pkg == -1))
- cpu_top->pkgs++;
-
- /* Intel's cores count is not consecutively numbered, there may
- * be a core_id of 3, but none of 2. Assume there always is 0
- * Get amount of cores by counting duplicates in a package
- for (cpu = 0; cpu_top->core_info[cpu].pkg = 0 && cpu < cpus; cpu++) {
- if (cpu_top->core_info[cpu].core == 0)
- cpu_top->cores++;
- */
- return cpus;
-}
-
-void cpu_topology_release(struct cpupower_topology cpu_top)
-{
- free(cpu_top.core_info);
-}
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index bcd22a1a3970..1b5da0066ebf 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -10,8 +10,8 @@
#include <stdint.h>
#include <string.h>
#include <limits.h>
+#include <cpuidle.h>
-#include "helpers/sysfs.h"
#include "helpers/helpers.h"
#include "idle_monitor/cpupower-monitor.h"
@@ -51,7 +51,7 @@ static int cpuidle_start(void)
for (state = 0; state < cpuidle_sysfs_monitor.hw_states_num;
state++) {
previous_count[cpu][state] =
- sysfs_get_idlestate_time(cpu, state);
+ cpuidle_state_time(cpu, state);
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
@@ -70,7 +70,7 @@ static int cpuidle_stop(void)
for (state = 0; state < cpuidle_sysfs_monitor.hw_states_num;
state++) {
current_count[cpu][state] =
- sysfs_get_idlestate_time(cpu, state);
+ cpuidle_state_time(cpu, state);
dprint("CPU %d - State: %d - Val: %llu\n",
cpu, state, previous_count[cpu][state]);
}
@@ -132,13 +132,13 @@ static struct cpuidle_monitor *cpuidle_register(void)
char *tmp;
/* Assume idle state count is the same for all CPUs */
- cpuidle_sysfs_monitor.hw_states_num = sysfs_get_idlestate_count(0);
+ cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0);
if (cpuidle_sysfs_monitor.hw_states_num <= 0)
return NULL;
for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
- tmp = sysfs_get_idlestate_name(0, num);
+ tmp = cpuidle_state_name(0, num);
if (tmp == NULL)
continue;
@@ -146,7 +146,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
free(tmp);
- tmp = sysfs_get_idlestate_desc(0, num);
+ tmp = cpuidle_state_desc(0, num);
if (tmp == NULL)
continue;
strncpy(cpuidle_cstates[num].desc, tmp, CSTATE_DESC_LEN - 1);
diff --git a/tools/testing/nvdimm/Kbuild b/tools/testing/nvdimm/Kbuild
index a34bfd0c8928..785985677159 100644
--- a/tools/testing/nvdimm/Kbuild
+++ b/tools/testing/nvdimm/Kbuild
@@ -7,6 +7,7 @@ ldflags-y += --wrap=ioremap_nocache
ldflags-y += --wrap=iounmap
ldflags-y += --wrap=memunmap
ldflags-y += --wrap=__devm_request_region
+ldflags-y += --wrap=__devm_release_region
ldflags-y += --wrap=__request_region
ldflags-y += --wrap=__release_region
ldflags-y += --wrap=devm_memremap_pages
@@ -15,6 +16,7 @@ ldflags-y += --wrap=phys_to_pfn_t
DRIVERS := ../../../drivers
NVDIMM_SRC := $(DRIVERS)/nvdimm
ACPI_SRC := $(DRIVERS)/acpi
+DAX_SRC := $(DRIVERS)/dax
obj-$(CONFIG_LIBNVDIMM) += libnvdimm.o
obj-$(CONFIG_BLK_DEV_PMEM) += nd_pmem.o
@@ -22,6 +24,8 @@ obj-$(CONFIG_ND_BTT) += nd_btt.o
obj-$(CONFIG_ND_BLK) += nd_blk.o
obj-$(CONFIG_X86_PMEM_LEGACY) += nd_e820.o
obj-$(CONFIG_ACPI_NFIT) += nfit.o
+obj-$(CONFIG_DEV_DAX) += dax.o
+obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o
nfit-y := $(ACPI_SRC)/nfit.o
nfit-y += config_check.o
@@ -38,6 +42,12 @@ nd_blk-y += config_check.o
nd_e820-y := $(NVDIMM_SRC)/e820.o
nd_e820-y += config_check.o
+dax-y := $(DAX_SRC)/dax.o
+dax-y += config_check.o
+
+dax_pmem-y := $(DAX_SRC)/pmem.o
+dax_pmem-y += config_check.o
+
libnvdimm-y := $(NVDIMM_SRC)/core.o
libnvdimm-y += $(NVDIMM_SRC)/bus.o
libnvdimm-y += $(NVDIMM_SRC)/dimm_devs.o
@@ -49,6 +59,7 @@ libnvdimm-y += $(NVDIMM_SRC)/label.o
libnvdimm-$(CONFIG_ND_CLAIM) += $(NVDIMM_SRC)/claim.o
libnvdimm-$(CONFIG_BTT) += $(NVDIMM_SRC)/btt_devs.o
libnvdimm-$(CONFIG_NVDIMM_PFN) += $(NVDIMM_SRC)/pfn_devs.o
+libnvdimm-$(CONFIG_NVDIMM_DAX) += $(NVDIMM_SRC)/dax_devs.o
libnvdimm-y += config_check.o
obj-m += test/
diff --git a/tools/testing/nvdimm/config_check.c b/tools/testing/nvdimm/config_check.c
index f2c7615554eb..adf18bfeca00 100644
--- a/tools/testing/nvdimm/config_check.c
+++ b/tools/testing/nvdimm/config_check.c
@@ -12,4 +12,6 @@ void check(void)
BUILD_BUG_ON(!IS_MODULE(CONFIG_ND_BTT));
BUILD_BUG_ON(!IS_MODULE(CONFIG_ND_BLK));
BUILD_BUG_ON(!IS_MODULE(CONFIG_ACPI_NFIT));
+ BUILD_BUG_ON(!IS_MODULE(CONFIG_DEV_DAX));
+ BUILD_BUG_ON(!IS_MODULE(CONFIG_DEV_DAX_PMEM));
}
diff --git a/tools/testing/nvdimm/test/iomap.c b/tools/testing/nvdimm/test/iomap.c
index 0c1a7e65bb81..c842095f2801 100644
--- a/tools/testing/nvdimm/test/iomap.c
+++ b/tools/testing/nvdimm/test/iomap.c
@@ -239,13 +239,11 @@ struct resource *__wrap___devm_request_region(struct device *dev,
}
EXPORT_SYMBOL(__wrap___devm_request_region);
-void __wrap___release_region(struct resource *parent, resource_size_t start,
- resource_size_t n)
+static bool nfit_test_release_region(struct resource *parent,
+ resource_size_t start, resource_size_t n)
{
- struct nfit_test_resource *nfit_res;
-
if (parent == &iomem_resource) {
- nfit_res = get_nfit_res(start);
+ struct nfit_test_resource *nfit_res = get_nfit_res(start);
if (nfit_res) {
struct resource *res = nfit_res->res + 1;
@@ -254,11 +252,26 @@ void __wrap___release_region(struct resource *parent, resource_size_t start,
__func__, start, n, res);
else
memset(res, 0, sizeof(*res));
- return;
+ return true;
}
}
- __release_region(parent, start, n);
+ return false;
+}
+
+void __wrap___release_region(struct resource *parent, resource_size_t start,
+ resource_size_t n)
+{
+ if (!nfit_test_release_region(parent, start, n))
+ __release_region(parent, start, n);
}
EXPORT_SYMBOL(__wrap___release_region);
+void __wrap___devm_release_region(struct device *dev, struct resource *parent,
+ resource_size_t start, resource_size_t n)
+{
+ if (!nfit_test_release_region(parent, start, n))
+ __devm_release_region(dev, parent, start, n);
+}
+EXPORT_SYMBOL(__wrap___devm_release_region);
+
MODULE_LICENSE("GPL v2");
diff --git a/tools/testing/nvdimm/test/nfit.c b/tools/testing/nvdimm/test/nfit.c
index 3187322eeed7..c919866853a0 100644
--- a/tools/testing/nvdimm/test/nfit.c
+++ b/tools/testing/nvdimm/test/nfit.c
@@ -330,12 +330,49 @@ static int nfit_test_cmd_clear_error(struct nd_cmd_clear_error *clear_err,
return 0;
}
+static int nfit_test_cmd_smart(struct nd_cmd_smart *smart, unsigned int buf_len)
+{
+ static const struct nd_smart_payload smart_data = {
+ .flags = ND_SMART_HEALTH_VALID | ND_SMART_TEMP_VALID
+ | ND_SMART_SPARES_VALID | ND_SMART_ALARM_VALID
+ | ND_SMART_USED_VALID | ND_SMART_SHUTDOWN_VALID,
+ .health = ND_SMART_NON_CRITICAL_HEALTH,
+ .temperature = 23 * 16,
+ .spares = 75,
+ .alarm_flags = ND_SMART_SPARE_TRIP | ND_SMART_TEMP_TRIP,
+ .life_used = 5,
+ .shutdown_state = 0,
+ .vendor_size = 0,
+ };
+
+ if (buf_len < sizeof(*smart))
+ return -EINVAL;
+ memcpy(smart->data, &smart_data, sizeof(smart_data));
+ return 0;
+}
+
+static int nfit_test_cmd_smart_threshold(struct nd_cmd_smart_threshold *smart_t,
+ unsigned int buf_len)
+{
+ static const struct nd_smart_threshold_payload smart_t_data = {
+ .alarm_control = ND_SMART_SPARE_TRIP | ND_SMART_TEMP_TRIP,
+ .temperature = 40 * 16,
+ .spares = 5,
+ };
+
+ if (buf_len < sizeof(*smart_t))
+ return -EINVAL;
+ memcpy(smart_t->data, &smart_t_data, sizeof(smart_t_data));
+ return 0;
+}
+
static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
struct nvdimm *nvdimm, unsigned int cmd, void *buf,
unsigned int buf_len, int *cmd_rc)
{
struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
struct nfit_test *t = container_of(acpi_desc, typeof(*t), acpi_desc);
+ unsigned int func = cmd;
int i, rc = 0, __cmd_rc;
if (!cmd_rc)
@@ -344,8 +381,23 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
if (nvdimm) {
struct nfit_mem *nfit_mem = nvdimm_provider_data(nvdimm);
+ unsigned long cmd_mask = nvdimm_cmd_mask(nvdimm);
- if (!nfit_mem || !test_bit(cmd, &nfit_mem->dsm_mask))
+ if (!nfit_mem)
+ return -ENOTTY;
+
+ if (cmd == ND_CMD_CALL) {
+ struct nd_cmd_pkg *call_pkg = buf;
+
+ buf_len = call_pkg->nd_size_in + call_pkg->nd_size_out;
+ buf = (void *) call_pkg->nd_payload;
+ func = call_pkg->nd_command;
+ if (call_pkg->nd_family != nfit_mem->family)
+ return -ENOTTY;
+ }
+
+ if (!test_bit(cmd, &cmd_mask)
+ || !test_bit(func, &nfit_mem->dsm_mask))
return -ENOTTY;
/* lookup label space for the given dimm */
@@ -356,7 +408,7 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
if (i >= ARRAY_SIZE(handle))
return -ENXIO;
- switch (cmd) {
+ switch (func) {
case ND_CMD_GET_CONFIG_SIZE:
rc = nfit_test_cmd_get_config_size(buf, buf_len);
break;
@@ -368,16 +420,22 @@ static int nfit_test_ctl(struct nvdimm_bus_descriptor *nd_desc,
rc = nfit_test_cmd_set_config_data(buf, buf_len,
t->label[i]);
break;
+ case ND_CMD_SMART:
+ rc = nfit_test_cmd_smart(buf, buf_len);
+ break;
+ case ND_CMD_SMART_THRESHOLD:
+ rc = nfit_test_cmd_smart_threshold(buf, buf_len);
+ break;
default:
return -ENOTTY;
}
} else {
struct ars_state *ars_state = &t->ars_state;
- if (!nd_desc || !test_bit(cmd, &nd_desc->dsm_mask))
+ if (!nd_desc || !test_bit(cmd, &nd_desc->cmd_mask))
return -ENOTTY;
- switch (cmd) {
+ switch (func) {
case ND_CMD_ARS_CAP:
rc = nfit_test_cmd_ars_cap(buf, buf_len);
break;
@@ -1251,13 +1309,15 @@ static void nfit_test0_setup(struct nfit_test *t)
post_ars_status(&t->ars_state, t->spa_set_dma[0], SPA0_SIZE);
acpi_desc = &t->acpi_desc;
- set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_dsm_force_en);
- set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_dsm_force_en);
- set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_dsm_force_en);
- set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_ARS_START, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_dsm_force_en);
+ set_bit(ND_CMD_GET_CONFIG_SIZE, &acpi_desc->dimm_cmd_force_en);
+ set_bit(ND_CMD_GET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en);
+ set_bit(ND_CMD_SET_CONFIG_DATA, &acpi_desc->dimm_cmd_force_en);
+ set_bit(ND_CMD_SMART, &acpi_desc->dimm_cmd_force_en);
+ set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_SMART_THRESHOLD, &acpi_desc->dimm_cmd_force_en);
}
static void nfit_test1_setup(struct nfit_test *t)
@@ -1315,10 +1375,10 @@ static void nfit_test1_setup(struct nfit_test *t)
post_ars_status(&t->ars_state, t->spa_set_dma[0], SPA2_SIZE);
acpi_desc = &t->acpi_desc;
- set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_ARS_START, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_dsm_force_en);
- set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_dsm_force_en);
+ set_bit(ND_CMD_ARS_CAP, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_ARS_START, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_ARS_STATUS, &acpi_desc->bus_cmd_force_en);
+ set_bit(ND_CMD_CLEAR_ERROR, &acpi_desc->bus_cmd_force_en);
}
static int nfit_test_blk_do_io(struct nd_blk_region *ndbr, resource_size_t dpa,
diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile
index 604212db9d4b..3b530467148e 100644
--- a/tools/testing/radix-tree/Makefile
+++ b/tools/testing/radix-tree/Makefile
@@ -3,7 +3,7 @@ CFLAGS += -I. -g -Wall -D_LGPL_SOURCE
LDFLAGS += -lpthread -lurcu
TARGETS = main
OFILES = main.o radix-tree.o linux.o test.o tag_check.o find_next_bit.o \
- regression1.o regression2.o regression3.o
+ regression1.o regression2.o regression3.o multiorder.o
targets: $(TARGETS)
@@ -13,7 +13,7 @@ main: $(OFILES)
clean:
$(RM) -f $(TARGETS) *.o radix-tree.c
-$(OFILES): *.h */*.h
+$(OFILES): *.h */*.h ../../../include/linux/radix-tree.h ../../include/linux/*.h
radix-tree.c: ../../../lib/radix-tree.c
sed -e 's/^static //' -e 's/__always_inline //' -e 's/inline //' < $< > $@
diff --git a/tools/testing/radix-tree/generated/autoconf.h b/tools/testing/radix-tree/generated/autoconf.h
new file mode 100644
index 000000000000..ad18cf5a2a3a
--- /dev/null
+++ b/tools/testing/radix-tree/generated/autoconf.h
@@ -0,0 +1,3 @@
+#define CONFIG_RADIX_TREE_MULTIORDER 1
+#define CONFIG_SHMEM 1
+#define CONFIG_SWAP 1
diff --git a/tools/testing/radix-tree/linux/init.h b/tools/testing/radix-tree/linux/init.h
new file mode 100644
index 000000000000..360cabb3c4e7
--- /dev/null
+++ b/tools/testing/radix-tree/linux/init.h
@@ -0,0 +1 @@
+/* An empty file stub that allows radix-tree.c to compile. */
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index ae013b0160ac..be98a47b4e1b 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -7,19 +7,28 @@
#include <stddef.h>
#include <limits.h>
+#include "../../include/linux/compiler.h"
+#include "../../../include/linux/kconfig.h"
+
+#define RADIX_TREE_MAP_SHIFT 3
+
#ifndef NULL
#define NULL 0
#endif
#define BUG_ON(expr) assert(!(expr))
+#define WARN_ON(expr) assert(!(expr))
#define __init
#define __must_check
#define panic(expr)
#define printk printf
#define __force
-#define likely(c) (c)
-#define unlikely(c) (c)
#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define pr_debug printk
+
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#define cpu_relax() barrier()
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
@@ -28,6 +37,8 @@
(type *)( (char *)__mptr - offsetof(type, member) );})
#define min(a, b) ((a) < (b) ? (a) : (b))
+#define cond_resched() sched_yield()
+
static inline int in_interrupt(void)
{
return 0;
diff --git a/tools/testing/radix-tree/linux/slab.h b/tools/testing/radix-tree/linux/slab.h
index 57282506c21d..6d5a34770fd4 100644
--- a/tools/testing/radix-tree/linux/slab.h
+++ b/tools/testing/radix-tree/linux/slab.h
@@ -3,7 +3,6 @@
#include <linux/types.h>
-#define GFP_KERNEL 1
#define SLAB_HWCACHE_ALIGN 1
#define SLAB_PANIC 2
#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* Objects are reclaimable */
diff --git a/tools/testing/radix-tree/linux/types.h b/tools/testing/radix-tree/linux/types.h
index 72a9d85f6c76..faa0b6ff9ca8 100644
--- a/tools/testing/radix-tree/linux/types.h
+++ b/tools/testing/radix-tree/linux/types.h
@@ -1,15 +1,13 @@
#ifndef _TYPES_H
#define _TYPES_H
+#include "../../include/linux/types.h"
+
#define __rcu
#define __read_mostly
#define BITS_PER_LONG (sizeof(long) * 8)
-struct list_head {
- struct list_head *next, *prev;
-};
-
static inline void INIT_LIST_HEAD(struct list_head *list)
{
list->next = list;
@@ -22,7 +20,6 @@ typedef struct {
#define uninitialized_var(x) x = x
-typedef unsigned gfp_t;
#include <linux/gfp.h>
#endif
diff --git a/tools/testing/radix-tree/main.c b/tools/testing/radix-tree/main.c
index 0e83cad27a9f..b7619ff3b552 100644
--- a/tools/testing/radix-tree/main.c
+++ b/tools/testing/radix-tree/main.c
@@ -61,11 +61,11 @@ void __big_gang_check(void)
} while (!wrapped);
}
-void big_gang_check(void)
+void big_gang_check(bool long_run)
{
int i;
- for (i = 0; i < 1000; i++) {
+ for (i = 0; i < (long_run ? 1000 : 3); i++) {
__big_gang_check();
srand(time(0));
printf("%d ", i);
@@ -232,10 +232,72 @@ void copy_tag_check(void)
item_kill_tree(&tree);
}
-static void single_thread_tests(void)
+static void __locate_check(struct radix_tree_root *tree, unsigned long index,
+ unsigned order)
+{
+ struct item *item;
+ unsigned long index2;
+
+ item_insert_order(tree, index, order);
+ item = item_lookup(tree, index);
+ index2 = radix_tree_locate_item(tree, item);
+ if (index != index2) {
+ printf("index %ld order %d inserted; found %ld\n",
+ index, order, index2);
+ abort();
+ }
+}
+
+static void __order_0_locate_check(void)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+ int i;
+
+ for (i = 0; i < 50; i++)
+ __locate_check(&tree, rand() % INT_MAX, 0);
+
+ item_kill_tree(&tree);
+}
+
+static void locate_check(void)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+ unsigned order;
+ unsigned long offset, index;
+
+ __order_0_locate_check();
+
+ for (order = 0; order < 20; order++) {
+ for (offset = 0; offset < (1 << (order + 3));
+ offset += (1UL << order)) {
+ for (index = 0; index < (1UL << (order + 5));
+ index += (1UL << order)) {
+ __locate_check(&tree, index + offset, order);
+ }
+ if (radix_tree_locate_item(&tree, &tree) != -1)
+ abort();
+
+ item_kill_tree(&tree);
+ }
+ }
+
+ if (radix_tree_locate_item(&tree, &tree) != -1)
+ abort();
+ __locate_check(&tree, -1, 0);
+ if (radix_tree_locate_item(&tree, &tree) != -1)
+ abort();
+ item_kill_tree(&tree);
+}
+
+static void single_thread_tests(bool long_run)
{
int i;
+ printf("starting single_thread_tests: %d allocated\n", nr_allocated);
+ multiorder_checks();
+ printf("after multiorder_check: %d allocated\n", nr_allocated);
+ locate_check();
+ printf("after locate_check: %d allocated\n", nr_allocated);
tag_check();
printf("after tag_check: %d allocated\n", nr_allocated);
gang_check();
@@ -244,9 +306,9 @@ static void single_thread_tests(void)
printf("after add_and_check: %d allocated\n", nr_allocated);
dynamic_height_check();
printf("after dynamic_height_check: %d allocated\n", nr_allocated);
- big_gang_check();
+ big_gang_check(long_run);
printf("after big_gang_check: %d allocated\n", nr_allocated);
- for (i = 0; i < 2000; i++) {
+ for (i = 0; i < (long_run ? 2000 : 3); i++) {
copy_tag_check();
printf("%d ", i);
fflush(stdout);
@@ -254,15 +316,23 @@ static void single_thread_tests(void)
printf("after copy_tag_check: %d allocated\n", nr_allocated);
}
-int main(void)
+int main(int argc, char **argv)
{
+ bool long_run = false;
+ int opt;
+
+ while ((opt = getopt(argc, argv, "l")) != -1) {
+ if (opt == 'l')
+ long_run = true;
+ }
+
rcu_register_thread();
radix_tree_init();
regression1_test();
regression2_test();
regression3_test();
- single_thread_tests();
+ single_thread_tests(long_run);
sleep(1);
printf("after sleep(1): %d allocated\n", nr_allocated);
diff --git a/tools/testing/radix-tree/multiorder.c b/tools/testing/radix-tree/multiorder.c
new file mode 100644
index 000000000000..39d9b9568fe2
--- /dev/null
+++ b/tools/testing/radix-tree/multiorder.c
@@ -0,0 +1,337 @@
+/*
+ * multiorder.c: Multi-order radix tree entry testing
+ * Copyright (c) 2016 Intel Corporation
+ * Author: Ross Zwisler <ross.zwisler@linux.intel.com>
+ * Author: Matthew Wilcox <matthew.r.wilcox@intel.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ */
+#include <linux/radix-tree.h>
+#include <linux/slab.h>
+#include <linux/errno.h>
+
+#include "test.h"
+
+#define for_each_index(i, base, order) \
+ for (i = base; i < base + (1 << order); i++)
+
+static void __multiorder_tag_test(int index, int order)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+ int base, err, i;
+ unsigned long first = 0;
+
+ /* our canonical entry */
+ base = index & ~((1 << order) - 1);
+
+ printf("Multiorder tag test with index %d, canonical entry %d\n",
+ index, base);
+
+ err = item_insert_order(&tree, index, order);
+ assert(!err);
+
+ /*
+ * Verify we get collisions for covered indices. We try and fail to
+ * insert an exceptional entry so we don't leak memory via
+ * item_insert_order().
+ */
+ for_each_index(i, base, order) {
+ err = __radix_tree_insert(&tree, i, order,
+ (void *)(0xA0 | RADIX_TREE_EXCEPTIONAL_ENTRY));
+ assert(err == -EEXIST);
+ }
+
+ for_each_index(i, base, order) {
+ assert(!radix_tree_tag_get(&tree, i, 0));
+ assert(!radix_tree_tag_get(&tree, i, 1));
+ }
+
+ assert(radix_tree_tag_set(&tree, index, 0));
+
+ for_each_index(i, base, order) {
+ assert(radix_tree_tag_get(&tree, i, 0));
+ assert(!radix_tree_tag_get(&tree, i, 1));
+ }
+
+ assert(radix_tree_range_tag_if_tagged(&tree, &first, ~0UL, 10, 0, 1) == 1);
+ assert(radix_tree_tag_clear(&tree, index, 0));
+
+ for_each_index(i, base, order) {
+ assert(!radix_tree_tag_get(&tree, i, 0));
+ assert(radix_tree_tag_get(&tree, i, 1));
+ }
+
+ assert(radix_tree_tag_clear(&tree, index, 1));
+
+ assert(!radix_tree_tagged(&tree, 0));
+ assert(!radix_tree_tagged(&tree, 1));
+
+ item_kill_tree(&tree);
+}
+
+static void multiorder_tag_tests(void)
+{
+ /* test multi-order entry for indices 0-7 with no sibling pointers */
+ __multiorder_tag_test(0, 3);
+ __multiorder_tag_test(5, 3);
+
+ /* test multi-order entry for indices 8-15 with no sibling pointers */
+ __multiorder_tag_test(8, 3);
+ __multiorder_tag_test(15, 3);
+
+ /*
+ * Our order 5 entry covers indices 0-31 in a tree with height=2.
+ * This is broken up as follows:
+ * 0-7: canonical entry
+ * 8-15: sibling 1
+ * 16-23: sibling 2
+ * 24-31: sibling 3
+ */
+ __multiorder_tag_test(0, 5);
+ __multiorder_tag_test(29, 5);
+
+ /* same test, but with indices 32-63 */
+ __multiorder_tag_test(32, 5);
+ __multiorder_tag_test(44, 5);
+
+ /*
+ * Our order 8 entry covers indices 0-255 in a tree with height=3.
+ * This is broken up as follows:
+ * 0-63: canonical entry
+ * 64-127: sibling 1
+ * 128-191: sibling 2
+ * 192-255: sibling 3
+ */
+ __multiorder_tag_test(0, 8);
+ __multiorder_tag_test(190, 8);
+
+ /* same test, but with indices 256-511 */
+ __multiorder_tag_test(256, 8);
+ __multiorder_tag_test(300, 8);
+
+ __multiorder_tag_test(0x12345678UL, 8);
+}
+
+static void multiorder_check(unsigned long index, int order)
+{
+ unsigned long i;
+ unsigned long min = index & ~((1UL << order) - 1);
+ unsigned long max = min + (1UL << order);
+ RADIX_TREE(tree, GFP_KERNEL);
+
+ printf("Multiorder index %ld, order %d\n", index, order);
+
+ assert(item_insert_order(&tree, index, order) == 0);
+
+ for (i = min; i < max; i++) {
+ struct item *item = item_lookup(&tree, i);
+ assert(item != 0);
+ assert(item->index == index);
+ }
+ for (i = 0; i < min; i++)
+ item_check_absent(&tree, i);
+ for (i = max; i < 2*max; i++)
+ item_check_absent(&tree, i);
+ for (i = min; i < max; i++) {
+ static void *entry = (void *)
+ (0xA0 | RADIX_TREE_EXCEPTIONAL_ENTRY);
+ assert(radix_tree_insert(&tree, i, entry) == -EEXIST);
+ }
+
+ assert(item_delete(&tree, index) != 0);
+
+ for (i = 0; i < 2*max; i++)
+ item_check_absent(&tree, i);
+}
+
+static void multiorder_shrink(unsigned long index, int order)
+{
+ unsigned long i;
+ unsigned long max = 1 << order;
+ RADIX_TREE(tree, GFP_KERNEL);
+ struct radix_tree_node *node;
+
+ printf("Multiorder shrink index %ld, order %d\n", index, order);
+
+ assert(item_insert_order(&tree, 0, order) == 0);
+
+ node = tree.rnode;
+
+ assert(item_insert(&tree, index) == 0);
+ assert(node != tree.rnode);
+
+ assert(item_delete(&tree, index) != 0);
+ assert(node == tree.rnode);
+
+ for (i = 0; i < max; i++) {
+ struct item *item = item_lookup(&tree, i);
+ assert(item != 0);
+ assert(item->index == 0);
+ }
+ for (i = max; i < 2*max; i++)
+ item_check_absent(&tree, i);
+
+ if (!item_delete(&tree, 0)) {
+ printf("failed to delete index %ld (order %d)\n", index, order); abort();
+ }
+
+ for (i = 0; i < 2*max; i++)
+ item_check_absent(&tree, i);
+}
+
+static void multiorder_insert_bug(void)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+
+ item_insert(&tree, 0);
+ radix_tree_tag_set(&tree, 0, 0);
+ item_insert_order(&tree, 3 << 6, 6);
+
+ item_kill_tree(&tree);
+}
+
+void multiorder_iteration(void)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+ struct radix_tree_iter iter;
+ void **slot;
+ int i, j, err;
+
+ printf("Multiorder iteration test\n");
+
+#define NUM_ENTRIES 11
+ int index[NUM_ENTRIES] = {0, 2, 4, 8, 16, 32, 34, 36, 64, 72, 128};
+ int order[NUM_ENTRIES] = {1, 1, 2, 3, 4, 1, 0, 1, 3, 0, 7};
+
+ for (i = 0; i < NUM_ENTRIES; i++) {
+ err = item_insert_order(&tree, index[i], order[i]);
+ assert(!err);
+ }
+
+ for (j = 0; j < 256; j++) {
+ for (i = 0; i < NUM_ENTRIES; i++)
+ if (j <= (index[i] | ((1 << order[i]) - 1)))
+ break;
+
+ radix_tree_for_each_slot(slot, &tree, &iter, j) {
+ int height = order[i] / RADIX_TREE_MAP_SHIFT;
+ int shift = height * RADIX_TREE_MAP_SHIFT;
+ int mask = (1 << order[i]) - 1;
+
+ assert(iter.index >= (index[i] &~ mask));
+ assert(iter.index <= (index[i] | mask));
+ assert(iter.shift == shift);
+ i++;
+ }
+ }
+
+ item_kill_tree(&tree);
+}
+
+void multiorder_tagged_iteration(void)
+{
+ RADIX_TREE(tree, GFP_KERNEL);
+ struct radix_tree_iter iter;
+ void **slot;
+ unsigned long first = 0;
+ int i, j;
+
+ printf("Multiorder tagged iteration test\n");
+
+#define MT_NUM_ENTRIES 9
+ int index[MT_NUM_ENTRIES] = {0, 2, 4, 16, 32, 40, 64, 72, 128};
+ int order[MT_NUM_ENTRIES] = {1, 0, 2, 4, 3, 1, 3, 0, 7};
+
+#define TAG_ENTRIES 7
+ int tag_index[TAG_ENTRIES] = {0, 4, 16, 40, 64, 72, 128};
+
+ for (i = 0; i < MT_NUM_ENTRIES; i++)
+ assert(!item_insert_order(&tree, index[i], order[i]));
+
+ assert(!radix_tree_tagged(&tree, 1));
+
+ for (i = 0; i < TAG_ENTRIES; i++)
+ assert(radix_tree_tag_set(&tree, tag_index[i], 1));
+
+ for (j = 0; j < 256; j++) {
+ int mask, k;
+
+ for (i = 0; i < TAG_ENTRIES; i++) {
+ for (k = i; index[k] < tag_index[i]; k++)
+ ;
+ if (j <= (index[k] | ((1 << order[k]) - 1)))
+ break;
+ }
+
+ radix_tree_for_each_tagged(slot, &tree, &iter, j, 1) {
+ for (k = i; index[k] < tag_index[i]; k++)
+ ;
+ mask = (1 << order[k]) - 1;
+
+ assert(iter.index >= (tag_index[i] &~ mask));
+ assert(iter.index <= (tag_index[i] | mask));
+ i++;
+ }
+ }
+
+ radix_tree_range_tag_if_tagged(&tree, &first, ~0UL,
+ MT_NUM_ENTRIES, 1, 2);
+
+ for (j = 0; j < 256; j++) {
+ int mask, k;
+
+ for (i = 0; i < TAG_ENTRIES; i++) {
+ for (k = i; index[k] < tag_index[i]; k++)
+ ;
+ if (j <= (index[k] | ((1 << order[k]) - 1)))
+ break;
+ }
+
+ radix_tree_for_each_tagged(slot, &tree, &iter, j, 2) {
+ for (k = i; index[k] < tag_index[i]; k++)
+ ;
+ mask = (1 << order[k]) - 1;
+
+ assert(iter.index >= (tag_index[i] &~ mask));
+ assert(iter.index <= (tag_index[i] | mask));
+ i++;
+ }
+ }
+
+ first = 1;
+ radix_tree_range_tag_if_tagged(&tree, &first, ~0UL,
+ MT_NUM_ENTRIES, 1, 0);
+ i = 0;
+ radix_tree_for_each_tagged(slot, &tree, &iter, 0, 0) {
+ assert(iter.index == tag_index[i]);
+ i++;
+ }
+
+ item_kill_tree(&tree);
+}
+
+void multiorder_checks(void)
+{
+ int i;
+
+ for (i = 0; i < 20; i++) {
+ multiorder_check(200, i);
+ multiorder_check(0, i);
+ multiorder_check((1UL << i) + 1, i);
+ }
+
+ for (i = 0; i < 15; i++)
+ multiorder_shrink((1UL << (i + RADIX_TREE_MAP_SHIFT)), i);
+
+ multiorder_insert_bug();
+ multiorder_tag_tests();
+ multiorder_iteration();
+ multiorder_tagged_iteration();
+}
diff --git a/tools/testing/radix-tree/regression2.c b/tools/testing/radix-tree/regression2.c
index 5d2fa28cdca3..63bf347aaf33 100644
--- a/tools/testing/radix-tree/regression2.c
+++ b/tools/testing/radix-tree/regression2.c
@@ -51,13 +51,6 @@
#include "regression.h"
-#ifdef __KERNEL__
-#define RADIX_TREE_MAP_SHIFT (CONFIG_BASE_SMALL ? 4 : 6)
-#else
-#define RADIX_TREE_MAP_SHIFT 3 /* For more stressful testing */
-#endif
-
-#define RADIX_TREE_MAP_SIZE (1UL << RADIX_TREE_MAP_SHIFT)
#define PAGECACHE_TAG_DIRTY 0
#define PAGECACHE_TAG_WRITEBACK 1
#define PAGECACHE_TAG_TOWRITE 2
diff --git a/tools/testing/radix-tree/tag_check.c b/tools/testing/radix-tree/tag_check.c
index 83136be552a0..b7447ceb75e9 100644
--- a/tools/testing/radix-tree/tag_check.c
+++ b/tools/testing/radix-tree/tag_check.c
@@ -12,6 +12,7 @@
static void
__simple_checks(struct radix_tree_root *tree, unsigned long index, int tag)
{
+ unsigned long first = 0;
int ret;
item_check_absent(tree, index);
@@ -22,6 +23,10 @@ __simple_checks(struct radix_tree_root *tree, unsigned long index, int tag)
item_tag_set(tree, index, tag);
ret = item_tag_get(tree, index, tag);
assert(ret != 0);
+ ret = radix_tree_range_tag_if_tagged(tree, &first, ~0UL, 10, tag, !tag);
+ assert(ret == 1);
+ ret = item_tag_get(tree, index, !tag);
+ assert(ret != 0);
ret = item_delete(tree, index);
assert(ret != 0);
item_insert(tree, index);
@@ -304,6 +309,7 @@ static void single_check(void)
struct item *items[BATCH];
RADIX_TREE(tree, GFP_KERNEL);
int ret;
+ unsigned long first = 0;
item_insert(&tree, 0);
item_tag_set(&tree, 0, 0);
@@ -313,6 +319,10 @@ static void single_check(void)
assert(ret == 0);
verify_tag_consistency(&tree, 0);
verify_tag_consistency(&tree, 1);
+ ret = radix_tree_range_tag_if_tagged(&tree, &first, 10, 10, 0, 1);
+ assert(ret == 1);
+ ret = radix_tree_gang_lookup_tag(&tree, (void **)items, 0, BATCH, 1);
+ assert(ret == 1);
item_kill_tree(&tree);
}
diff --git a/tools/testing/radix-tree/test.c b/tools/testing/radix-tree/test.c
index 2bebf34cdc27..a6e8099eaf4f 100644
--- a/tools/testing/radix-tree/test.c
+++ b/tools/testing/radix-tree/test.c
@@ -24,14 +24,21 @@ int item_tag_get(struct radix_tree_root *root, unsigned long index, int tag)
return radix_tree_tag_get(root, index, tag);
}
-int __item_insert(struct radix_tree_root *root, struct item *item)
+int __item_insert(struct radix_tree_root *root, struct item *item,
+ unsigned order)
{
- return radix_tree_insert(root, item->index, item);
+ return __radix_tree_insert(root, item->index, order, item);
}
int item_insert(struct radix_tree_root *root, unsigned long index)
{
- return __item_insert(root, item_create(index));
+ return __item_insert(root, item_create(index), 0);
+}
+
+int item_insert_order(struct radix_tree_root *root, unsigned long index,
+ unsigned order)
+{
+ return __item_insert(root, item_create(index), order);
}
int item_delete(struct radix_tree_root *root, unsigned long index)
@@ -136,13 +143,13 @@ void item_full_scan(struct radix_tree_root *root, unsigned long start,
}
static int verify_node(struct radix_tree_node *slot, unsigned int tag,
- unsigned int height, int tagged)
+ int tagged)
{
int anyset = 0;
int i;
int j;
- slot = indirect_to_ptr(slot);
+ slot = entry_to_node(slot);
/* Verify consistency at this level */
for (i = 0; i < RADIX_TREE_TAG_LONGS; i++) {
@@ -152,7 +159,8 @@ static int verify_node(struct radix_tree_node *slot, unsigned int tag,
}
}
if (tagged != anyset) {
- printf("tag: %u, height %u, tagged: %d, anyset: %d\n", tag, height, tagged, anyset);
+ printf("tag: %u, shift %u, tagged: %d, anyset: %d\n",
+ tag, slot->shift, tagged, anyset);
for (j = 0; j < RADIX_TREE_MAX_TAGS; j++) {
printf("tag %d: ", j);
for (i = 0; i < RADIX_TREE_TAG_LONGS; i++)
@@ -164,10 +172,10 @@ static int verify_node(struct radix_tree_node *slot, unsigned int tag,
assert(tagged == anyset);
/* Go for next level */
- if (height > 1) {
+ if (slot->shift > 0) {
for (i = 0; i < RADIX_TREE_MAP_SIZE; i++)
if (slot->slots[i])
- if (verify_node(slot->slots[i], tag, height - 1,
+ if (verify_node(slot->slots[i], tag,
!!test_bit(i, slot->tags[tag]))) {
printf("Failure at off %d\n", i);
for (j = 0; j < RADIX_TREE_MAX_TAGS; j++) {
@@ -184,9 +192,10 @@ static int verify_node(struct radix_tree_node *slot, unsigned int tag,
void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag)
{
- if (!root->height)
+ struct radix_tree_node *node = root->rnode;
+ if (!radix_tree_is_internal_node(node))
return;
- verify_node(root->rnode, tag, root->height, !!root_tag_get(root, tag));
+ verify_node(node, tag, !!root_tag_get(root, tag));
}
void item_kill_tree(struct radix_tree_root *root)
@@ -211,9 +220,19 @@ void item_kill_tree(struct radix_tree_root *root)
void tree_verify_min_height(struct radix_tree_root *root, int maxindex)
{
- assert(radix_tree_maxindex(root->height) >= maxindex);
- if (root->height > 1)
- assert(radix_tree_maxindex(root->height-1) < maxindex);
- else if (root->height == 1)
- assert(radix_tree_maxindex(root->height-1) <= maxindex);
+ unsigned shift;
+ struct radix_tree_node *node = root->rnode;
+ if (!radix_tree_is_internal_node(node)) {
+ assert(maxindex == 0);
+ return;
+ }
+
+ node = entry_to_node(node);
+ assert(maxindex <= node_maxindex(node));
+
+ shift = node->shift;
+ if (shift > 0)
+ assert(maxindex > shift_maxindex(shift - RADIX_TREE_MAP_SHIFT));
+ else
+ assert(maxindex > 0);
}
diff --git a/tools/testing/radix-tree/test.h b/tools/testing/radix-tree/test.h
index 4e1d95faaa94..e85131369723 100644
--- a/tools/testing/radix-tree/test.h
+++ b/tools/testing/radix-tree/test.h
@@ -8,8 +8,11 @@ struct item {
};
struct item *item_create(unsigned long index);
-int __item_insert(struct radix_tree_root *root, struct item *item);
+int __item_insert(struct radix_tree_root *root, struct item *item,
+ unsigned order);
int item_insert(struct radix_tree_root *root, unsigned long index);
+int item_insert_order(struct radix_tree_root *root, unsigned long index,
+ unsigned order);
int item_delete(struct radix_tree_root *root, unsigned long index);
struct item *item_lookup(struct radix_tree_root *root, unsigned long index);
@@ -23,6 +26,7 @@ void item_full_scan(struct radix_tree_root *root, unsigned long start,
void item_kill_tree(struct radix_tree_root *root);
void tag_check(void);
+void multiorder_checks(void);
struct item *
item_tag_set(struct radix_tree_root *root, unsigned long index, int tag);
@@ -35,6 +39,7 @@ void verify_tag_consistency(struct radix_tree_root *root, unsigned int tag);
extern int nr_allocated;
/* Normally private parts of lib/radix-tree.c */
-void *indirect_to_ptr(void *ptr);
+void radix_tree_dump(struct radix_tree_root *root);
int root_tag_get(struct radix_tree_root *root, unsigned int tag);
-unsigned long radix_tree_maxindex(unsigned int height);
+unsigned long node_maxindex(struct radix_tree_node *);
+unsigned long shift_maxindex(unsigned int shift);
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index da48812ab95e..4c6a0bf8ba79 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -88,7 +88,12 @@ parse_opts() { # opts
# Parameters
DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
-TRACING_DIR=$DEBUGFS_DIR/tracing
+if [ -z "$DEBUGFS_DIR" ]; then
+ TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1`
+else
+ TRACING_DIR=$DEBUGFS_DIR/tracing
+fi
+
TOP_DIR=`absdir $0`
TEST_DIR=$TOP_DIR/test.d
TEST_CASES=`find_testcases $TEST_DIR`
@@ -102,7 +107,7 @@ parse_opts $*
[ $DEBUG -ne 0 ] && set -x
# Verify parameters
-if [ -z "$DEBUGFS_DIR" -o ! -d "$TRACING_DIR" ]; then
+if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then
errexit "No ftrace directory found"
fi
diff --git a/tools/testing/selftests/ftrace/test.d/event/event-pid.tc b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
new file mode 100644
index 000000000000..d4ab27b522f8
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/event/event-pid.tc
@@ -0,0 +1,72 @@
+#!/bin/sh
+# description: event tracing - restricts events based on pid
+
+do_reset() {
+ echo > set_event
+ echo > set_event_pid
+ echo 0 > options/event-fork
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+yield() {
+ ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f set_event_pid ]; then
+ echo "event pid filtering is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo 1 > events/sched/sched_switch/enable
+
+yield
+
+count=`cat trace | grep sched_switch | wc -l`
+if [ $count -eq 0 ]; then
+ fail "sched_switch events are not recorded"
+fi
+
+do_reset
+
+read mypid rest < /proc/self/stat
+
+echo $mypid > set_event_pid
+echo 'sched:sched_switch' > set_event
+
+yield
+
+count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
+if [ $count -ne 0 ]; then
+ fail "sched_switch events from other task are recorded"
+fi
+
+do_reset
+
+echo $mypid > set_event_pid
+echo 1 > options/event-fork
+echo 1 > events/sched/sched_switch/enable
+
+yield
+
+count=`cat trace | grep sched_switch | grep -v "pid=$mypid" | wc -l`
+if [ $count -eq 0 ]; then
+ fail "sched_switch events from other task are not recorded"
+fi
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 5d8cd06d920f..c37262f6c269 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -14,3 +14,12 @@ enable_tracing() { # start trace recording
reset_tracer() { # reset the current tracer
echo nop > current_tracer
}
+
+reset_trigger() { # reset all current setting triggers
+ grep -v ^# events/*/*/trigger |
+ while read line; do
+ cmd=`echo $line | cut -f2- -d: | cut -f1 -d" "`
+ echo "!$cmd" > `echo $line | cut -f1 -d:`
+ done
+}
+
diff --git a/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
new file mode 100644
index 000000000000..4c5a061a5b4e
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/instances/instance-event.tc
@@ -0,0 +1,138 @@
+#!/bin/sh
+# description: Test creation and deletion of trace instances while setting an event
+
+if [ ! -d instances ] ; then
+ echo "no instance directory with this kernel"
+ exit_unsupported;
+fi
+
+fail() { # mesg
+ rmdir foo 2>/dev/null
+ echo $1
+ set -e
+ exit $FAIL
+}
+
+cd instances
+
+# we don't want to fail on error
+set +e
+
+mkdir x
+rmdir x
+result=$?
+
+if [ $result -ne 0 ]; then
+ echo "instance rmdir not supported"
+ exit_unsupported
+fi
+
+instance_slam() {
+ while :; do
+ mkdir foo 2> /dev/null
+ rmdir foo 2> /dev/null
+ done
+}
+
+instance_read() {
+ while :; do
+ cat foo/trace 1> /dev/null 2>&1
+ done
+}
+
+instance_set() {
+ while :; do
+ echo 1 > foo/events/sched/sched_switch
+ done 2> /dev/null
+}
+
+instance_slam &
+p1=$!
+echo $p1
+
+instance_set &
+p2=$!
+echo $p2
+
+instance_read &
+p3=$!
+echo $p3
+
+sleep 1
+
+kill -1 $p3
+kill -1 $p2
+kill -1 $p1
+
+echo "Wait for processes to finish"
+wait $p1 $p2 $p3
+echo "all processes finished, wait for cleanup"
+sleep 1
+
+mkdir foo
+ls foo > /dev/null
+rmdir foo
+if [ -d foo ]; then
+ fail "foo still exists"
+fi
+exit 0
+
+
+
+
+instance_slam() {
+ while :; do
+ mkdir x
+ mkdir y
+ mkdir z
+ rmdir x
+ rmdir y
+ rmdir z
+ done 2>/dev/null
+}
+
+instance_slam &
+p1=$!
+echo $p1
+
+instance_slam &
+p2=$!
+echo $p2
+
+instance_slam &
+p3=$!
+echo $p3
+
+instance_slam &
+p4=$!
+echo $p4
+
+instance_slam &
+p5=$!
+echo $p5
+
+ls -lR >/dev/null
+sleep 1
+
+kill -1 $p1
+kill -1 $p2
+kill -1 $p3
+kill -1 $p4
+kill -1 $p5
+
+echo "Wait for processes to finish"
+wait $p1 $p2 $p3 $p4 $p5
+echo "all processes finished, wait for cleanup"
+
+mkdir x y z
+ls x y z
+rmdir x y z
+for d in x y z; do
+ if [ -d $d ]; then
+ fail "instance $d still exists"
+ fi
+done
+
+set -e
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
new file mode 100644
index 000000000000..1a9445021bf1
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
@@ -0,0 +1,64 @@
+#!/bin/sh
+# description: event trigger - test event enable/disable trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "event enable/disable trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test enable_event trigger"
+echo 0 > events/sched/sched_switch/enable
+echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
+ fail "enable_event trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test disable_event trigger"
+echo 1 > events/sched/sched_switch/enable
+echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
+ fail "disable_event trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for event enable/disable trigger"
+! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
+! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
+echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
new file mode 100644
index 000000000000..514e466e198b
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-filter.tc
@@ -0,0 +1,59 @@
+#!/bin/sh
+# description: event trigger - test trigger filter
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo "Test trigger filter"
+echo 1 > tracing_on
+echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 1 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for trigger filter"
+! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
+echo '!traceoff' > events/sched/sched_process_fork/trigger
+
+
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
new file mode 100644
index 000000000000..c2b61c4fda11
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-mod.tc
@@ -0,0 +1,75 @@
+#!/bin/sh
+# description: event trigger - test histogram modifiers
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep hist events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "hist trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test histogram with execname modifier"
+
+echo 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+COMM=`cat /proc/$$/comm`
+grep "common_pid: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
+ fail "execname modifier on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with hex modifier"
+
+echo 'hist:keys=parent_pid.hex' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+# Note that $$ is the parent pid. $PID is current PID.
+HEX=`printf %x $PID`
+grep "parent_pid: $HEX" events/sched/sched_process_fork/hist > /dev/null || \
+ fail "hex modifier on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with syscall modifier"
+
+echo 'hist:keys=id.syscall' > events/raw_syscalls/sys_exit/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep "id: sys_" events/raw_syscalls/sys_exit/hist > /dev/null || \
+ fail "syscall modifier on raw_syscalls/sys_exit did not work"
+
+
+reset_trigger
+
+echo "Test histgram with log2 modifier"
+
+echo 'hist:keys=bytes_req.log2' > events/kmem/kmalloc/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
+ fail "log2 modifier on kmem/kmalloc did not work"
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
new file mode 100644
index 000000000000..b2902d42a537
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-hist.tc
@@ -0,0 +1,83 @@
+#!/bin/sh
+# description: event trigger - test histogram trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep hist events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "hist trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test histogram basic tigger"
+
+echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
+ fail "hist trigger on sched_process_fork did not work"
+grep child events/sched/sched_process_fork/hist > /dev/null || \
+ fail "hist trigger on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with compound keys"
+
+echo 'hist:keys=parent_pid,child_pid' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep '^{ parent_pid:.*, child_pid:.*}' events/sched/sched_process_fork/hist > /dev/null || \
+ fail "compound keys on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with string key"
+
+echo 'hist:keys=parent_comm' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+COMM=`cat /proc/$$/comm`
+grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
+ fail "string key on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with sort key"
+
+echo 'hist:keys=parent_pid,child_pid:sort=child_pid.ascending' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+
+check_inc() {
+ while [ $# -gt 1 ]; do
+ [ $1 -gt $2 ] && return 1
+ shift 1
+ done
+ return 0
+}
+check_inc `grep -o "child_pid:[[:space:]]*[[:digit:]]*" \
+ events/sched/sched_process_fork/hist | cut -d: -f2 ` ||
+ fail "sort param on sched_process_fork did not work"
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
new file mode 100644
index 000000000000..03c4a46561fc
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-multihist.tc
@@ -0,0 +1,73 @@
+#!/bin/sh
+# description: event trigger - test multiple histogram triggers
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep hist events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "hist trigger is not supported"
+ exit_unsupported
+fi
+
+reset_trigger
+
+echo "Test histogram multiple tiggers"
+
+echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
+echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
+ fail "hist trigger on sched_process_fork did not work"
+grep child events/sched/sched_process_fork/hist > /dev/null || \
+ fail "hist trigger on sched_process_fork did not work"
+COMM=`cat /proc/$$/comm`
+grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
+ fail "string key on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test histogram with its name"
+
+echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
+ fail "named event on sched_process_fork did not work"
+
+echo "Test same named histogram on different events"
+
+echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
+for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
+grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
+ fail "named event on sched_process_fork did not work"
+
+diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
+test $diffs -eq 0 || fail "Same name histograms are not same"
+
+reset_trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
new file mode 100644
index 000000000000..f84b80d551a2
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc
@@ -0,0 +1,56 @@
+#!/bin/sh
+# description: event trigger - test snapshot-trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "snapshot trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test snapshot tigger"
+echo 0 > snapshot
+echo 1 > events/sched/sched_process_fork/enable
+( echo "forked")
+echo 'snapshot:1' > events/sched/sched_process_fork/trigger
+( echo "forked")
+grep sched_process_fork snapshot > /dev/null || \
+ fail "snapshot trigger on sched_process_fork did not work"
+
+reset_trigger
+echo 0 > snapshot
+echo 0 > events/sched/sched_process_fork/enable
+
+echo "Test snapshot semantic errors"
+
+! echo "snapshot+1" > events/sched/sched_process_fork/trigger
+echo "snapshot" > events/sched/sched_process_fork/trigger
+! echo "snapshot" > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
new file mode 100644
index 000000000000..9fa23b085def
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-stacktrace.tc
@@ -0,0 +1,53 @@
+#!/bin/sh
+# description: event trigger - test stacktrace-trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
+if [ -z "$FEATURE" ]; then
+ echo "stacktrace trigger is not supported"
+ exit_unsupported
+fi
+
+echo "Test stacktrace tigger"
+echo 0 > trace
+echo 0 > options/stacktrace
+echo 'stacktrace' > events/sched/sched_process_fork/trigger
+( echo "forked")
+grep "<stack trace>" trace > /dev/null || \
+ fail "stacktrace trigger on sched_process_fork did not work"
+
+reset_trigger
+
+echo "Test stacktrace semantic errors"
+
+! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
+echo "stacktrace" > events/sched/sched_process_fork/trigger
+! echo "stacktrace" > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
new file mode 100644
index 000000000000..87648e5f987c
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-traceonoff.tc
@@ -0,0 +1,58 @@
+#!/bin/sh
+# description: event trigger - test traceon/off trigger
+
+do_reset() {
+ reset_trigger
+ echo > set_event
+ clear_trace
+}
+
+fail() { #msg
+ do_reset
+ echo $1
+ exit $FAIL
+}
+
+if [ ! -f set_event -o ! -d events/sched ]; then
+ echo "event tracing is not supported"
+ exit_unsupported
+fi
+
+if [ ! -f events/sched/sched_process_fork/trigger ]; then
+ echo "event trigger is not supported"
+ exit_unsupported
+fi
+
+reset_tracer
+do_reset
+
+echo "Test traceoff trigger"
+echo 1 > tracing_on
+echo 'traceoff' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 0 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test traceon trigger"
+echo 0 > tracing_on
+echo 'traceon' > events/sched/sched_process_fork/trigger
+( echo "forked")
+if [ `cat tracing_on` -ne 1 ]; then
+ fail "traceoff trigger on sched_process_fork did not work"
+fi
+
+reset_trigger
+
+echo "Test semantic error for traceoff/on trigger"
+! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
+! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
+echo 'traceon' > events/sched/sched_process_fork/trigger
+! echo 'traceon' > events/sched/sched_process_fork/trigger
+! echo 'traceoff' > events/sched/sched_process_fork/trigger
+
+do_reset
+
+exit 0
diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh
index bdaf37e92684..7868c106b8b1 100755
--- a/tools/testing/selftests/intel_pstate/run.sh
+++ b/tools/testing/selftests/intel_pstate/run.sh
@@ -32,7 +32,7 @@ EVALUATE_ONLY=0
max_cpus=$(($(nproc)-1))
# compile programs
-gcc -o aperf aperf.c -lm
+gcc aperf.c -Wall -D_GNU_SOURCE -o aperf -lm
[ $? -ne 0 ] && echo "Problem compiling aperf.c." && exit 1
gcc -o msr msr.c -lm
[ $? -ne 0 ] && echo "Problem compiling msr.c." && exit 1
diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile
index b08f77cbe31b..4ca83fe80654 100644
--- a/tools/testing/selftests/powerpc/Makefile
+++ b/tools/testing/selftests/powerpc/Makefile
@@ -14,6 +14,7 @@ export CFLAGS
SUB_DIRS = benchmarks \
copyloops \
+ context_switch \
dscr \
mm \
pmu \
diff --git a/tools/testing/selftests/powerpc/context_switch/.gitignore b/tools/testing/selftests/powerpc/context_switch/.gitignore
new file mode 100644
index 000000000000..c1431af7b51c
--- /dev/null
+++ b/tools/testing/selftests/powerpc/context_switch/.gitignore
@@ -0,0 +1 @@
+cp_abort
diff --git a/tools/testing/selftests/powerpc/context_switch/Makefile b/tools/testing/selftests/powerpc/context_switch/Makefile
new file mode 100644
index 000000000000..e164d1466466
--- /dev/null
+++ b/tools/testing/selftests/powerpc/context_switch/Makefile
@@ -0,0 +1,10 @@
+TEST_PROGS := cp_abort
+
+all: $(TEST_PROGS)
+
+$(TEST_PROGS): ../harness.c ../utils.c
+
+include ../../lib.mk
+
+clean:
+ rm -f $(TEST_PROGS)
diff --git a/tools/testing/selftests/powerpc/context_switch/cp_abort.c b/tools/testing/selftests/powerpc/context_switch/cp_abort.c
new file mode 100644
index 000000000000..5a5b55afda0e
--- /dev/null
+++ b/tools/testing/selftests/powerpc/context_switch/cp_abort.c
@@ -0,0 +1,110 @@
+/*
+ * Adapted from Anton Blanchard's context switch microbenchmark.
+ *
+ * Copyright 2009, Anton Blanchard, IBM Corporation.
+ * Copyright 2016, Mikey Neuling, Chris Smart, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * This program tests the copy paste abort functionality of a P9
+ * (or later) by setting up two processes on the same CPU, one
+ * which executes the copy instruction and the other which
+ * executes paste.
+ *
+ * The paste instruction should never succeed, as the cp_abort
+ * instruction is called by the kernel during a context switch.
+ *
+ */
+
+#define _GNU_SOURCE
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include "utils.h"
+#include <sched.h>
+
+#define READ_FD 0
+#define WRITE_FD 1
+
+#define NUM_LOOPS 1000
+
+/* This defines the "paste" instruction from Power ISA 3.0 Book II, section 4.4. */
+#define PASTE(RA, RB, L, RC) \
+ .long (0x7c00070c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10) | (RC) << (31-31))
+
+int paste(void *i)
+{
+ int cr;
+
+ asm volatile(str(PASTE(0, %1, 1, 1))";"
+ "mfcr %0;"
+ : "=r" (cr)
+ : "b" (i)
+ : "memory"
+ );
+ return cr;
+}
+
+/* This defines the "copy" instruction from Power ISA 3.0 Book II, section 4.4. */
+#define COPY(RA, RB, L) \
+ .long (0x7c00060c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10))
+
+void copy(void *i)
+{
+ asm volatile(str(COPY(0, %0, 1))";"
+ :
+ : "b" (i)
+ : "memory"
+ );
+}
+
+int test_cp_abort(void)
+{
+ /* 128 bytes for a full cache line */
+ char buf[128] __cacheline_aligned;
+ cpu_set_t cpuset;
+ int fd1[2], fd2[2], pid;
+ char c;
+
+ /* only run this test on a P9 or later */
+ SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_00));
+
+ /*
+ * Run both processes on the same CPU, so that copy is more likely
+ * to leak into a paste.
+ */
+ CPU_ZERO(&cpuset);
+ CPU_SET(pick_online_cpu(), &cpuset);
+ FAIL_IF(sched_setaffinity(0, sizeof(cpuset), &cpuset));
+
+ FAIL_IF(pipe(fd1) || pipe(fd2));
+
+ pid = fork();
+ FAIL_IF(pid < 0);
+
+ if (!pid) {
+ for (int i = 0; i < NUM_LOOPS; i++) {
+ FAIL_IF((write(fd1[WRITE_FD], &c, 1)) != 1);
+ FAIL_IF((read(fd2[READ_FD], &c, 1)) != 1);
+ /* A paste succeeds if CR0 EQ bit is set */
+ FAIL_IF(paste(buf) & 0x20000000);
+ }
+ } else {
+ for (int i = 0; i < NUM_LOOPS; i++) {
+ FAIL_IF((read(fd1[READ_FD], &c, 1)) != 1);
+ copy(buf);
+ FAIL_IF((write(fd2[WRITE_FD], &c, 1) != 1));
+ }
+ }
+ return 0;
+
+}
+
+int main(int argc, char *argv[])
+{
+ return test_harness(test_cp_abort, "cp_abort");
+}
diff --git a/tools/testing/selftests/powerpc/mm/subpage_prot.c b/tools/testing/selftests/powerpc/mm/subpage_prot.c
index 440180ff8089..35ade7406dcd 100644
--- a/tools/testing/selftests/powerpc/mm/subpage_prot.c
+++ b/tools/testing/selftests/powerpc/mm/subpage_prot.c
@@ -73,7 +73,7 @@ static inline void check_faulted(void *addr, long page, long subpage, int write)
want_fault |= (subpage == ((page + 1) % 16));
if (faulted != want_fault) {
- printf("Failed at 0x%p (p=%ld,sp=%ld,w=%d), want=%s, got=%s !\n",
+ printf("Failed at %p (p=%ld,sp=%ld,w=%d), want=%s, got=%s !\n",
addr, page, subpage, write,
want_fault ? "fault" : "pass",
faulted ? "fault" : "pass");
@@ -82,7 +82,7 @@ static inline void check_faulted(void *addr, long page, long subpage, int write)
if (faulted) {
if (dar != addr) {
- printf("Fault expected at 0x%p and happened at 0x%p !\n",
+ printf("Fault expected at %p and happened at %p !\n",
addr, dar);
}
faulted = 0;
@@ -162,7 +162,7 @@ int test_anon(void)
mallocblock = (void *)align;
- printf("allocated malloc block of 0x%lx bytes at 0x%p\n",
+ printf("allocated malloc block of 0x%lx bytes at %p\n",
mallocsize, mallocblock);
printf("testing malloc block...\n");
@@ -197,7 +197,7 @@ int test_file(void)
perror("failed to map file");
return 1;
}
- printf("allocated %s for 0x%lx bytes at 0x%p\n",
+ printf("allocated %s for 0x%lx bytes at %p\n",
file_name, filesize, fileblock);
printf("testing file map...\n");
@@ -207,14 +207,16 @@ int test_file(void)
int main(int argc, char *argv[])
{
- test_harness(test_anon, "subpage_prot_anon");
+ int rc;
+
+ rc = test_harness(test_anon, "subpage_prot_anon");
+ if (rc)
+ return rc;
if (argc > 1)
file_name = argv[1];
else
file_name = "tempfile";
- test_harness(test_file, "subpage_prot_file");
-
- return 0;
+ return test_harness(test_file, "subpage_prot_file");
}
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index e67452f1bcff..46681fec549b 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -15,7 +15,6 @@
#include <sys/ioctl.h>
#include "trace.h"
-#include "reg.h"
#include "ebb.h"
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
index 5b1188f10c15..f923228bca22 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/reg_access_test.c
@@ -7,7 +7,6 @@
#include <stdlib.h>
#include "ebb.h"
-#include "reg.h"
/*
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/reg.h b/tools/testing/selftests/powerpc/reg.h
index 5921b0dfe2e9..65bfdeeebdee 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/reg.h
+++ b/tools/testing/selftests/powerpc/reg.h
@@ -9,12 +9,12 @@
#define __stringify_1(x) #x
#define __stringify(x) __stringify_1(x)
-#define mfspr(rn) ({unsigned long rval; \
- asm volatile("mfspr %0," __stringify(rn) \
- : "=r" (rval)); rval; })
-#define mtspr(rn, v) asm volatile("mtspr " __stringify(rn) ",%0" : \
- : "r" ((unsigned long)(v)) \
- : "memory")
+#define mfspr(rn) ({unsigned long rval; \
+ asm volatile("mfspr %0," _str(rn) \
+ : "=r" (rval)); rval; })
+#define mtspr(rn, v) asm volatile("mtspr " _str(rn) ",%0" : \
+ : "r" ((unsigned long)(v)) \
+ : "memory")
#define mb() asm volatile("sync" : : : "memory");
@@ -46,4 +46,10 @@
#define SPRN_SDAR 781
#define SPRN_SIER 768
+#define SPRN_TEXASR 0x82
+#define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */
+#define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */
+#define TEXASR_FS 0x08000000
+#define SPRN_TAR 0x32f
+
#endif /* _SELFTESTS_POWERPC_REG_H */
diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore
index 7d0f14b8cb2e..bb942db845bf 100644
--- a/tools/testing/selftests/powerpc/tm/.gitignore
+++ b/tools/testing/selftests/powerpc/tm/.gitignore
@@ -3,3 +3,6 @@ tm-syscall
tm-signal-msr-resv
tm-signal-stack
tm-vmxcopy
+tm-fork
+tm-tar
+tm-tmspr
diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile
index 737f72c964e6..d0505dbd22d5 100644
--- a/tools/testing/selftests/powerpc/tm/Makefile
+++ b/tools/testing/selftests/powerpc/tm/Makefile
@@ -1,4 +1,4 @@
-TEST_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack tm-vmxcopy
+TEST_PROGS := tm-resched-dscr tm-syscall tm-signal-msr-resv tm-signal-stack tm-vmxcopy tm-fork tm-tar tm-tmspr
all: $(TEST_PROGS)
@@ -6,6 +6,7 @@ $(TEST_PROGS): ../harness.c ../utils.c
tm-syscall: tm-syscall-asm.S
tm-syscall: CFLAGS += -mhtm -I../../../../../usr/include
+tm-tmspr: CFLAGS += -pthread
include ../../lib.mk
diff --git a/tools/testing/selftests/powerpc/tm/tm-fork.c b/tools/testing/selftests/powerpc/tm/tm-fork.c
new file mode 100644
index 000000000000..8d48579b7778
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-fork.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2015, Michael Neuling, IBM Corp.
+ * Licensed under GPLv2.
+ *
+ * Edited: Rashmica Gupta, Nov 2015
+ *
+ * This test does a fork syscall inside a transaction. Basic sniff test
+ * to see if we can enter the kernel during a transaction.
+ */
+
+#include <errno.h>
+#include <inttypes.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "utils.h"
+#include "tm.h"
+
+int test_fork(void)
+{
+ SKIP_IF(!have_htm());
+
+ asm __volatile__(
+ "tbegin.;"
+ "blt 1f; "
+ "li 0, 2;" /* fork syscall */
+ "sc ;"
+ "tend.;"
+ "1: ;"
+ : : : "memory", "r0");
+ /* If we reach here, we've passed. Otherwise we've probably crashed
+ * the kernel */
+
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ return test_harness(test_fork, "tm_fork");
+}
diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
index 8fde93d6021f..d9c49f41515e 100644
--- a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
+++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c
@@ -31,12 +31,6 @@
#include "utils.h"
#include "tm.h"
-#define TBEGIN ".long 0x7C00051D ;"
-#define TEND ".long 0x7C00055D ;"
-#define TCHECK ".long 0x7C00059C ;"
-#define TSUSPEND ".long 0x7C0005DD ;"
-#define TRESUME ".long 0x7C2005DD ;"
-#define SPRN_TEXASR 0x82
#define SPRN_DSCR 0x03
int test_body(void)
@@ -55,13 +49,13 @@ int test_body(void)
"mtspr %[sprn_dscr], 3;"
/* start and suspend a transaction */
- TBEGIN
+ "tbegin.;"
"beq 1f;"
- TSUSPEND
+ "tsuspend.;"
/* hard loop until the transaction becomes doomed */
"2: ;"
- TCHECK
+ "tcheck 0;"
"bc 4, 0, 2b;"
/* record DSCR and TEXASR */
@@ -70,8 +64,8 @@ int test_body(void)
"mfspr 3, %[sprn_texasr];"
"std 3, %[texasr];"
- TRESUME
- TEND
+ "tresume.;"
+ "tend.;"
"li %[rv], 0;"
"1: ;"
: [rv]"=r"(rv), [dscr2]"=m"(dscr2), [texasr]"=m"(texasr)
diff --git a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
index e44a238c1d77..1f0eb567438d 100644
--- a/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
+++ b/tools/testing/selftests/powerpc/tm/tm-signal-stack.c
@@ -60,9 +60,9 @@ int tm_signal_stack()
exit(1);
asm volatile("li 1, 0 ;" /* stack ptr == NULL */
"1:"
- ".long 0x7C00051D ;" /* tbegin */
+ "tbegin.;"
"beq 1b ;" /* retry forever */
- ".long 0x7C0005DD ; ;" /* tsuspend */
+ "tsuspend.;"
"ld 2, 0(1) ;" /* trigger segv" */
: : : "memory");
diff --git a/tools/testing/selftests/powerpc/tm/tm-tar.c b/tools/testing/selftests/powerpc/tm/tm-tar.c
new file mode 100644
index 000000000000..2d2fcc2b7a60
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-tar.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2015, Michael Neuling, IBM Corp.
+ * Licensed under GPLv2.
+ * Original: Michael Neuling 19/7/2013
+ * Edited: Rashmica Gupta 01/12/2015
+ *
+ * Do some transactions, see if the tar is corrupted.
+ * If the transaction is aborted, the TAR should be rolled back to the
+ * checkpointed value before the transaction began. The value written to
+ * TAR in suspended mode should only remain in TAR if the transaction
+ * completes.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "tm.h"
+#include "utils.h"
+
+int num_loops = 10000;
+
+int test_tar(void)
+{
+ int i;
+
+ SKIP_IF(!have_htm());
+
+ for (i = 0; i < num_loops; i++)
+ {
+ uint64_t result = 0;
+ asm __volatile__(
+ "li 7, 1;"
+ "mtspr %[tar], 7;" /* tar = 1 */
+ "tbegin.;"
+ "beq 3f;"
+ "li 4, 0x7000;" /* Loop lots, to use time */
+ "2:;" /* Start loop */
+ "li 7, 2;"
+ "mtspr %[tar], 7;" /* tar = 2 */
+ "tsuspend.;"
+ "li 7, 3;"
+ "mtspr %[tar], 7;" /* tar = 3 */
+ "tresume.;"
+ "subi 4, 4, 1;"
+ "cmpdi 4, 0;"
+ "bne 2b;"
+ "tend.;"
+
+ /* Transaction sucess! TAR should be 3 */
+ "mfspr 7, %[tar];"
+ "ori %[res], 7, 4;" // res = 3|4 = 7
+ "b 4f;"
+
+ /* Abort handler. TAR should be rolled back to 1 */
+ "3:;"
+ "mfspr 7, %[tar];"
+ "ori %[res], 7, 8;" // res = 1|8 = 9
+ "4:;"
+
+ : [res]"=r"(result)
+ : [tar]"i"(SPRN_TAR)
+ : "memory", "r0", "r4", "r7");
+
+ /* If result is anything else other than 7 or 9, the tar
+ * value must have been corrupted. */
+ if ((result != 7) && (result != 9))
+ return 1;
+ }
+ return 0;
+}
+
+int main(int argc, char *argv[])
+{
+ /* A low number of iterations (eg 100) can cause a false pass */
+ if (argc > 1) {
+ if (strcmp(argv[1], "-h") == 0) {
+ printf("Syntax:\n\t%s [<num loops>]\n",
+ argv[0]);
+ return 1;
+ } else {
+ num_loops = atoi(argv[1]);
+ }
+ }
+
+ printf("Starting, %d loops\n", num_loops);
+
+ return test_harness(test_tar, "tm_tar");
+}
diff --git a/tools/testing/selftests/powerpc/tm/tm-tmspr.c b/tools/testing/selftests/powerpc/tm/tm-tmspr.c
new file mode 100644
index 000000000000..2bda81c7bf23
--- /dev/null
+++ b/tools/testing/selftests/powerpc/tm/tm-tmspr.c
@@ -0,0 +1,143 @@
+/*
+ * Copyright 2015, Michael Neuling, IBM Corp.
+ * Licensed under GPLv2.
+ *
+ * Original: Michael Neuling 3/4/2014
+ * Modified: Rashmica Gupta 8/12/2015
+ *
+ * Check if any of the Transaction Memory SPRs get corrupted.
+ * - TFIAR - stores address of location of transaction failure
+ * - TFHAR - stores address of software failure handler (if transaction
+ * fails)
+ * - TEXASR - lots of info about the transacion(s)
+ *
+ * (1) create more threads than cpus
+ * (2) in each thread:
+ * (a) set TFIAR and TFHAR a unique value
+ * (b) loop for awhile, continually checking to see if
+ * either register has been corrupted.
+ *
+ * (3) Loop:
+ * (a) begin transaction
+ * (b) abort transaction
+ * (c) check TEXASR to see if FS has been corrupted
+ *
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <pthread.h>
+#include <string.h>
+
+#include "utils.h"
+#include "tm.h"
+
+int num_loops = 10000;
+int passed = 1;
+
+void tfiar_tfhar(void *in)
+{
+ int i, cpu;
+ unsigned long tfhar, tfhar_rd, tfiar, tfiar_rd;
+ cpu_set_t cpuset;
+
+ CPU_ZERO(&cpuset);
+ cpu = (unsigned long)in >> 1;
+ CPU_SET(cpu, &cpuset);
+ sched_setaffinity(0, sizeof(cpuset), &cpuset);
+
+ /* TFIAR: Last bit has to be high so userspace can read register */
+ tfiar = ((unsigned long)in) + 1;
+ tfiar += 2;
+ mtspr(SPRN_TFIAR, tfiar);
+
+ /* TFHAR: Last two bits are reserved */
+ tfhar = ((unsigned long)in);
+ tfhar &= ~0x3UL;
+ tfhar += 4;
+ mtspr(SPRN_TFHAR, tfhar);
+
+ for (i = 0; i < num_loops; i++) {
+ tfhar_rd = mfspr(SPRN_TFHAR);
+ tfiar_rd = mfspr(SPRN_TFIAR);
+ if ( (tfhar != tfhar_rd) || (tfiar != tfiar_rd) ) {
+ passed = 0;
+ return;
+ }
+ }
+ return;
+}
+
+void texasr(void *in)
+{
+ unsigned long i;
+ uint64_t result = 0;
+
+ for (i = 0; i < num_loops; i++) {
+ asm __volatile__(
+ "tbegin.;"
+ "beq 3f ;"
+ "tabort. 0 ;"
+ "tend.;"
+
+ /* Abort handler */
+ "3: ;"
+ ::: "memory");
+
+ /* Check the TEXASR */
+ result = mfspr(SPRN_TEXASR);
+ if ((result & TEXASR_FS) == 0) {
+ passed = 0;
+ return;
+ }
+ }
+ return;
+}
+
+int test_tmspr()
+{
+ pthread_t thread;
+ int thread_num;
+ unsigned long i;
+
+ SKIP_IF(!have_htm());
+
+ /* To cause some context switching */
+ thread_num = 10 * sysconf(_SC_NPROCESSORS_ONLN);
+
+ /* Test TFIAR and TFHAR */
+ for (i = 0 ; i < thread_num ; i += 2){
+ if (pthread_create(&thread, NULL, (void*)tfiar_tfhar, (void *)i))
+ return EXIT_FAILURE;
+ }
+ if (pthread_join(thread, NULL) != 0)
+ return EXIT_FAILURE;
+
+ /* Test TEXASR */
+ for (i = 0 ; i < thread_num ; i++){
+ if (pthread_create(&thread, NULL, (void*)texasr, (void *)i))
+ return EXIT_FAILURE;
+ }
+ if (pthread_join(thread, NULL) != 0)
+ return EXIT_FAILURE;
+
+ if (passed)
+ return 0;
+ else
+ return 1;
+}
+
+int main(int argc, char *argv[])
+{
+ if (argc > 1) {
+ if (strcmp(argv[1], "-h") == 0) {
+ printf("Syntax:\t [<num loops>]\n");
+ return 0;
+ } else {
+ num_loops = atoi(argv[1]);
+ }
+ }
+ return test_harness(test_tmspr, "tm_tmspr");
+}
diff --git a/tools/testing/selftests/powerpc/utils.h b/tools/testing/selftests/powerpc/utils.h
index 175ac6ad10dd..a985cfaa535e 100644
--- a/tools/testing/selftests/powerpc/utils.h
+++ b/tools/testing/selftests/powerpc/utils.h
@@ -6,9 +6,12 @@
#ifndef _SELFTESTS_POWERPC_UTILS_H
#define _SELFTESTS_POWERPC_UTILS_H
+#define __cacheline_aligned __attribute__((aligned(128)))
+
#include <stdint.h>
#include <stdbool.h>
#include <linux/auxvec.h>
+#include "reg.h"
/* Avoid headaches with PRI?64 - just use %ll? always */
typedef unsigned long long u64;
@@ -54,4 +57,9 @@ do { \
#define _str(s) #s
#define str(s) _str(s)
+/* POWER9 feature */
+#ifndef PPC_FEATURE2_ARCH_3_00
+#define PPC_FEATURE2_ARCH_3_00 0x00800000
+#endif
+
#endif /* _SELFTESTS_POWERPC_UTILS_H */
diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index 150829dd7998..2e58549b2f02 100644
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -5,6 +5,7 @@
* Test code for seccomp bpf.
*/
+#include <sys/types.h>
#include <asm/siginfo.h>
#define __have_siginfo_t 1
#define __have_sigval_t 1
@@ -14,7 +15,6 @@
#include <linux/filter.h>
#include <sys/prctl.h>
#include <sys/ptrace.h>
-#include <sys/types.h>
#include <sys/user.h>
#include <linux/prctl.h>
#include <linux/ptrace.h>
@@ -1234,6 +1234,10 @@ TEST_F(TRACE_poke, getpid_runs_normally)
# define ARCH_REGS struct user_pt_regs
# define SYSCALL_NUM regs[8]
# define SYSCALL_RET regs[0]
+#elif defined(__hppa__)
+# define ARCH_REGS struct user_regs_struct
+# define SYSCALL_NUM gr[20]
+# define SYSCALL_RET gr[28]
#elif defined(__powerpc__)
# define ARCH_REGS struct pt_regs
# define SYSCALL_NUM gpr[0]
@@ -1242,6 +1246,12 @@ TEST_F(TRACE_poke, getpid_runs_normally)
# define ARCH_REGS s390_regs
# define SYSCALL_NUM gprs[2]
# define SYSCALL_RET gprs[2]
+#elif defined(__mips__)
+# define ARCH_REGS struct pt_regs
+# define SYSCALL_NUM regs[2]
+# define SYSCALL_SYSCALL_NUM regs[4]
+# define SYSCALL_RET regs[2]
+# define SYSCALL_NUM_RET_SHARE_REG
#else
# error "Do not know how to find your architecture's registers and syscalls"
#endif
@@ -1249,7 +1259,7 @@ TEST_F(TRACE_poke, getpid_runs_normally)
/* Use PTRACE_GETREGS and PTRACE_SETREGS when available. This is useful for
* architectures without HAVE_ARCH_TRACEHOOK (e.g. User-mode Linux).
*/
-#if defined(__x86_64__) || defined(__i386__)
+#if defined(__x86_64__) || defined(__i386__) || defined(__mips__)
#define HAVE_GETREGS
#endif
@@ -1273,6 +1283,10 @@ int get_syscall(struct __test_metadata *_metadata, pid_t tracee)
}
#endif
+#if defined(__mips__)
+ if (regs.SYSCALL_NUM == __NR_O32_Linux)
+ return regs.SYSCALL_SYSCALL_NUM;
+#endif
return regs.SYSCALL_NUM;
}
@@ -1293,10 +1307,17 @@ void change_syscall(struct __test_metadata *_metadata,
EXPECT_EQ(0, ret);
#if defined(__x86_64__) || defined(__i386__) || defined(__powerpc__) || \
- defined(__s390__)
+ defined(__s390__) || defined(__hppa__)
{
regs.SYSCALL_NUM = syscall;
}
+#elif defined(__mips__)
+ {
+ if (regs.SYSCALL_NUM == __NR_O32_Linux)
+ regs.SYSCALL_SYSCALL_NUM = syscall;
+ else
+ regs.SYSCALL_NUM = syscall;
+ }
#elif defined(__arm__)
# ifndef PTRACE_SET_SYSCALL
@@ -1327,7 +1348,11 @@ void change_syscall(struct __test_metadata *_metadata,
/* If syscall is skipped, change return value. */
if (syscall == -1)
+#ifdef SYSCALL_NUM_RET_SHARE_REG
+ TH_LOG("Can't modify syscall return on this architecture");
+#else
regs.SYSCALL_RET = 1;
+#endif
#ifdef HAVE_GETREGS
ret = ptrace(PTRACE_SETREGS, tracee, 0, &regs);
@@ -1465,8 +1490,13 @@ TEST_F(TRACE_syscall, syscall_dropped)
ret = prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, &self->prog, 0, 0);
ASSERT_EQ(0, ret);
+#ifdef SYSCALL_NUM_RET_SHARE_REG
+ /* gettid has been skipped */
+ EXPECT_EQ(-1, syscall(__NR_gettid));
+#else
/* gettid has been skipped and an altered return value stored. */
EXPECT_EQ(1, syscall(__NR_gettid));
+#endif
EXPECT_NE(self->mytid, syscall(__NR_gettid));
}
@@ -1479,6 +1509,8 @@ TEST_F(TRACE_syscall, syscall_dropped)
# define __NR_seccomp 383
# elif defined(__aarch64__)
# define __NR_seccomp 277
+# elif defined(__hppa__)
+# define __NR_seccomp 338
# elif defined(__powerpc__)
# define __NR_seccomp 358
# elif defined(__s390__)
diff --git a/tools/testing/selftests/vm/thuge-gen.c b/tools/testing/selftests/vm/thuge-gen.c
index c87957295f74..0bc737a75150 100644
--- a/tools/testing/selftests/vm/thuge-gen.c
+++ b/tools/testing/selftests/vm/thuge-gen.c
@@ -30,7 +30,9 @@
#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
#define MAP_HUGE_SHIFT 26
#define MAP_HUGE_MASK 0x3f
+#if !defined(MAP_HUGETLB)
#define MAP_HUGETLB 0x40000
+#endif
#define SHM_HUGETLB 04000 /* segment will use huge TLB pages */
#define SHM_HUGE_SHIFT 26
diff --git a/tools/usb/usbip/libsrc/Makefile.am b/tools/usb/usbip/libsrc/Makefile.am
index 7c8f8a4d54e4..90daf95c0804 100644
--- a/tools/usb/usbip/libsrc/Makefile.am
+++ b/tools/usb/usbip/libsrc/Makefile.am
@@ -4,5 +4,7 @@ libusbip_la_LDFLAGS = -version-info @LIBUSBIP_VERSION@
lib_LTLIBRARIES := libusbip.la
libusbip_la_SOURCES := names.c names.h usbip_host_driver.c usbip_host_driver.h \
- usbip_common.c usbip_common.h vhci_driver.c vhci_driver.h \
+ usbip_device_driver.c usbip_device_driver.h \
+ usbip_common.c usbip_common.h usbip_host_common.h \
+ usbip_host_common.c vhci_driver.c vhci_driver.h \
sysfs_utils.c sysfs_utils.h
diff --git a/tools/usb/usbip/libsrc/usbip_common.h b/tools/usb/usbip/libsrc/usbip_common.h
index 15fe792e1e96..51ef5fe485dd 100644
--- a/tools/usb/usbip/libsrc/usbip_common.h
+++ b/tools/usb/usbip/libsrc/usbip_common.h
@@ -25,9 +25,12 @@
#define VHCI_STATE_PATH "/var/run/vhci_hcd"
#endif
+#define VUDC_DEVICE_DESCR_FILE "dev_desc"
+
/* kernel module names */
#define USBIP_CORE_MOD_NAME "usbip-core"
#define USBIP_HOST_DRV_NAME "usbip-host"
+#define USBIP_DEVICE_DRV_NAME "usbip-vudc"
#define USBIP_VHCI_DRV_NAME "vhci_hcd"
/* sysfs constants */
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c
new file mode 100644
index 000000000000..e059b7d1ec5b
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_device_driver.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2015 Karol Kosik <karo9@interia.eu>
+ * 2015 Samsung Electronics
+ * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ *
+ * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is:
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <fcntl.h>
+#include <string.h>
+#include <linux/usb/ch9.h>
+
+#include <unistd.h>
+
+#include "usbip_host_common.h"
+#include "usbip_device_driver.h"
+
+#undef PROGNAME
+#define PROGNAME "libusbip"
+
+#define copy_descr_attr16(dev, descr, attr) \
+ ((dev)->attr = le16toh((descr)->attr)) \
+
+#define copy_descr_attr(dev, descr, attr) \
+ ((dev)->attr = (descr)->attr) \
+
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+static struct {
+ enum usb_device_speed speed;
+ const char *name;
+} speed_names[] = {
+ {
+ .speed = USB_SPEED_UNKNOWN,
+ .name = "UNKNOWN",
+ },
+ {
+ .speed = USB_SPEED_LOW,
+ .name = "low-speed",
+ },
+ {
+ .speed = USB_SPEED_FULL,
+ .name = "full-speed",
+ },
+ {
+ .speed = USB_SPEED_HIGH,
+ .name = "high-speed",
+ },
+ {
+ .speed = USB_SPEED_WIRELESS,
+ .name = "wireless",
+ },
+ {
+ .speed = USB_SPEED_SUPER,
+ .name = "super-speed",
+ },
+};
+
+static
+int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev)
+{
+ const char *path, *name;
+ char filepath[SYSFS_PATH_MAX];
+ struct usb_device_descriptor descr;
+ unsigned i;
+ FILE *fd = NULL;
+ struct udev_device *plat;
+ const char *speed;
+ int ret = 0;
+
+ plat = udev_device_get_parent(sdev);
+ path = udev_device_get_syspath(plat);
+ snprintf(filepath, SYSFS_PATH_MAX, "%s/%s",
+ path, VUDC_DEVICE_DESCR_FILE);
+ fd = fopen(filepath, "r");
+ if (!fd)
+ return -1;
+ ret = fread((char *) &descr, sizeof(descr), 1, fd);
+ if (ret < 0)
+ return -1;
+ fclose(fd);
+
+ copy_descr_attr(dev, &descr, bDeviceClass);
+ copy_descr_attr(dev, &descr, bDeviceSubClass);
+ copy_descr_attr(dev, &descr, bDeviceProtocol);
+ copy_descr_attr(dev, &descr, bNumConfigurations);
+ copy_descr_attr16(dev, &descr, idVendor);
+ copy_descr_attr16(dev, &descr, idProduct);
+ copy_descr_attr16(dev, &descr, bcdDevice);
+
+ strncpy(dev->path, path, SYSFS_PATH_MAX);
+
+ dev->speed = USB_SPEED_UNKNOWN;
+ speed = udev_device_get_sysattr_value(sdev, "current_speed");
+ if (speed) {
+ for (i = 0; i < ARRAY_SIZE(speed_names); i++) {
+ if (!strcmp(speed_names[i].name, speed)) {
+ dev->speed = speed_names[i].speed;
+ break;
+ }
+ }
+ }
+
+ /* Only used for user output, little sense to output them in general */
+ dev->bNumInterfaces = 0;
+ dev->bConfigurationValue = 0;
+ dev->busnum = 0;
+
+ name = udev_device_get_sysname(plat);
+ strncpy(dev->busid, name, SYSFS_BUS_ID_SIZE);
+ return 0;
+}
+
+static int is_my_device(struct udev_device *dev)
+{
+ const char *driver;
+
+ driver = udev_device_get_property_value(dev, "USB_UDC_NAME");
+ return driver != NULL && !strcmp(driver, USBIP_DEVICE_DRV_NAME);
+}
+
+static int usbip_device_driver_open(struct usbip_host_driver *hdriver)
+{
+ int ret;
+
+ hdriver->ndevs = 0;
+ INIT_LIST_HEAD(&hdriver->edev_list);
+
+ ret = usbip_generic_driver_open(hdriver);
+ if (ret)
+ err("please load " USBIP_CORE_MOD_NAME ".ko and "
+ USBIP_DEVICE_DRV_NAME ".ko!");
+
+ return ret;
+}
+
+struct usbip_host_driver device_driver = {
+ .edev_list = LIST_HEAD_INIT(device_driver.edev_list),
+ .udev_subsystem = "udc",
+ .ops = {
+ .open = usbip_device_driver_open,
+ .close = usbip_generic_driver_close,
+ .refresh_device_list = usbip_generic_refresh_device_list,
+ .get_device = usbip_generic_get_device,
+ .read_device = read_usb_vudc_device,
+ .is_my_device = is_my_device,
+ },
+};
diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.h b/tools/usb/usbip/libsrc/usbip_device_driver.h
new file mode 100644
index 000000000000..54cb658b37a3
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_device_driver.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Karol Kosik <karo9@interia.eu>
+ * 2015 Samsung Electronics
+ * Author: Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ *
+ * Based on tools/usb/usbip/libsrc/usbip_host_driver.c, which is:
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __USBIP_DEVICE_DRIVER_H
+#define __USBIP_DEVICE_DRIVER_H
+
+#include <stdint.h>
+#include "usbip_common.h"
+#include "usbip_host_common.h"
+#include "list.h"
+
+extern struct usbip_host_driver device_driver;
+
+#endif /* __USBIP_DEVICE_DRIVER_H */
diff --git a/tools/usb/usbip/libsrc/usbip_host_common.c b/tools/usb/usbip/libsrc/usbip_host_common.c
new file mode 100644
index 000000000000..9d415228883d
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_host_common.c
@@ -0,0 +1,273 @@
+/*
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
+ *
+ * Refactored from usbip_host_driver.c, which is:
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <errno.h>
+#include <unistd.h>
+
+#include <libudev.h>
+
+#include "usbip_common.h"
+#include "usbip_host_common.h"
+#include "list.h"
+#include "sysfs_utils.h"
+
+struct udev *udev_context;
+
+static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
+{
+ char status_attr_path[SYSFS_PATH_MAX];
+ int fd;
+ int length;
+ char status;
+ int value = 0;
+
+ snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status",
+ udev->path);
+
+ fd = open(status_attr_path, O_RDONLY);
+ if (fd < 0) {
+ err("error opening attribute %s", status_attr_path);
+ return -1;
+ }
+
+ length = read(fd, &status, 1);
+ if (length < 0) {
+ err("error reading attribute %s", status_attr_path);
+ close(fd);
+ return -1;
+ }
+
+ value = atoi(&status);
+
+ return value;
+}
+
+static
+struct usbip_exported_device *usbip_exported_device_new(
+ struct usbip_host_driver *hdriver, const char *sdevpath)
+{
+ struct usbip_exported_device *edev = NULL;
+ struct usbip_exported_device *edev_old;
+ size_t size;
+ int i;
+
+ edev = calloc(1, sizeof(struct usbip_exported_device));
+
+ edev->sudev =
+ udev_device_new_from_syspath(udev_context, sdevpath);
+ if (!edev->sudev) {
+ err("udev_device_new_from_syspath: %s", sdevpath);
+ goto err;
+ }
+
+ if (hdriver->ops.read_device(edev->sudev, &edev->udev) < 0)
+ goto err;
+
+ edev->status = read_attr_usbip_status(&edev->udev);
+ if (edev->status < 0)
+ goto err;
+
+ /* reallocate buffer to include usb interface data */
+ size = sizeof(struct usbip_exported_device) +
+ edev->udev.bNumInterfaces * sizeof(struct usbip_usb_interface);
+
+ edev_old = edev;
+ edev = realloc(edev, size);
+ if (!edev) {
+ edev = edev_old;
+ dbg("realloc failed");
+ goto err;
+ }
+
+ for (i = 0; i < edev->udev.bNumInterfaces; i++) {
+ /* vudc does not support reading interfaces */
+ if (!hdriver->ops.read_interface)
+ break;
+ hdriver->ops.read_interface(&edev->udev, i, &edev->uinf[i]);
+ }
+
+ return edev;
+err:
+ if (edev->sudev)
+ udev_device_unref(edev->sudev);
+ if (edev)
+ free(edev);
+
+ return NULL;
+}
+
+static int refresh_exported_devices(struct usbip_host_driver *hdriver)
+{
+ struct usbip_exported_device *edev;
+ struct udev_enumerate *enumerate;
+ struct udev_list_entry *devices, *dev_list_entry;
+ struct udev_device *dev;
+ const char *path;
+
+ enumerate = udev_enumerate_new(udev_context);
+ udev_enumerate_add_match_subsystem(enumerate, hdriver->udev_subsystem);
+ udev_enumerate_scan_devices(enumerate);
+
+ devices = udev_enumerate_get_list_entry(enumerate);
+
+ udev_list_entry_foreach(dev_list_entry, devices) {
+ path = udev_list_entry_get_name(dev_list_entry);
+ dev = udev_device_new_from_syspath(udev_context,
+ path);
+ if (dev == NULL)
+ continue;
+
+ /* Check whether device uses usbip driver. */
+ if (hdriver->ops.is_my_device(dev)) {
+ edev = usbip_exported_device_new(hdriver, path);
+ if (!edev) {
+ dbg("usbip_exported_device_new failed");
+ continue;
+ }
+
+ list_add(&edev->node, &hdriver->edev_list);
+ hdriver->ndevs++;
+ }
+ }
+
+ return 0;
+}
+
+static void usbip_exported_device_destroy(struct list_head *devs)
+{
+ struct list_head *i, *tmp;
+ struct usbip_exported_device *edev;
+
+ list_for_each_safe(i, tmp, devs) {
+ edev = list_entry(i, struct usbip_exported_device, node);
+ list_del(i);
+ free(edev);
+ }
+}
+
+int usbip_generic_driver_open(struct usbip_host_driver *hdriver)
+{
+ int rc;
+
+ udev_context = udev_new();
+ if (!udev_context) {
+ err("udev_new failed");
+ return -1;
+ }
+
+ rc = refresh_exported_devices(hdriver);
+ if (rc < 0)
+ goto err;
+ return 0;
+err:
+ udev_unref(udev_context);
+ return -1;
+}
+
+void usbip_generic_driver_close(struct usbip_host_driver *hdriver)
+{
+ if (!hdriver)
+ return;
+
+ usbip_exported_device_destroy(&hdriver->edev_list);
+
+ udev_unref(udev_context);
+}
+
+int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver)
+{
+ int rc;
+
+ usbip_exported_device_destroy(&hdriver->edev_list);
+
+ hdriver->ndevs = 0;
+ INIT_LIST_HEAD(&hdriver->edev_list);
+
+ rc = refresh_exported_devices(hdriver);
+ if (rc < 0)
+ return -1;
+
+ return 0;
+}
+
+int usbip_export_device(struct usbip_exported_device *edev, int sockfd)
+{
+ char attr_name[] = "usbip_sockfd";
+ char sockfd_attr_path[SYSFS_PATH_MAX];
+ char sockfd_buff[30];
+ int ret;
+
+ if (edev->status != SDEV_ST_AVAILABLE) {
+ dbg("device not available: %s", edev->udev.busid);
+ switch (edev->status) {
+ case SDEV_ST_ERROR:
+ dbg("status SDEV_ST_ERROR");
+ break;
+ case SDEV_ST_USED:
+ dbg("status SDEV_ST_USED");
+ break;
+ default:
+ dbg("status unknown: 0x%x", edev->status);
+ }
+ return -1;
+ }
+
+ /* only the first interface is true */
+ snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s",
+ edev->udev.path, attr_name);
+
+ snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd);
+
+ ret = write_sysfs_attribute(sockfd_attr_path, sockfd_buff,
+ strlen(sockfd_buff));
+ if (ret < 0) {
+ err("write_sysfs_attribute failed: sockfd %s to %s",
+ sockfd_buff, sockfd_attr_path);
+ return ret;
+ }
+
+ info("connect: %s", edev->udev.busid);
+
+ return ret;
+}
+
+struct usbip_exported_device *usbip_generic_get_device(
+ struct usbip_host_driver *hdriver, int num)
+{
+ struct list_head *i;
+ struct usbip_exported_device *edev;
+ int cnt = 0;
+
+ list_for_each(i, &hdriver->edev_list) {
+ edev = list_entry(i, struct usbip_exported_device, node);
+ if (num == cnt)
+ return edev;
+ cnt++;
+ }
+
+ return NULL;
+}
diff --git a/tools/usb/usbip/libsrc/usbip_host_common.h b/tools/usb/usbip/libsrc/usbip_host_common.h
new file mode 100644
index 000000000000..a64b8033fe64
--- /dev/null
+++ b/tools/usb/usbip/libsrc/usbip_host_common.h
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
+ *
+ * Refactored from usbip_host_driver.c, which is:
+ * Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
+ * 2005-2007 Takahiro Hirofuchi
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __USBIP_HOST_COMMON_H
+#define __USBIP_HOST_COMMON_H
+
+#include <stdint.h>
+#include <libudev.h>
+#include <errno.h>
+#include "list.h"
+#include "usbip_common.h"
+#include "sysfs_utils.h"
+
+struct usbip_host_driver;
+
+struct usbip_host_driver_ops {
+ int (*open)(struct usbip_host_driver *hdriver);
+ void (*close)(struct usbip_host_driver *hdriver);
+ int (*refresh_device_list)(struct usbip_host_driver *hdriver);
+ struct usbip_exported_device * (*get_device)(
+ struct usbip_host_driver *hdriver, int num);
+
+ int (*read_device)(struct udev_device *sdev,
+ struct usbip_usb_device *dev);
+ int (*read_interface)(struct usbip_usb_device *udev, int i,
+ struct usbip_usb_interface *uinf);
+ int (*is_my_device)(struct udev_device *udev);
+};
+
+struct usbip_host_driver {
+ int ndevs;
+ /* list of exported device */
+ struct list_head edev_list;
+ const char *udev_subsystem;
+ struct usbip_host_driver_ops ops;
+};
+
+struct usbip_exported_device {
+ struct udev_device *sudev;
+ int32_t status;
+ struct usbip_usb_device udev;
+ struct list_head node;
+ struct usbip_usb_interface uinf[];
+};
+
+/* External API to access the driver */
+static inline int usbip_driver_open(struct usbip_host_driver *hdriver)
+{
+ if (!hdriver->ops.open)
+ return -EOPNOTSUPP;
+ return hdriver->ops.open(hdriver);
+}
+
+static inline void usbip_driver_close(struct usbip_host_driver *hdriver)
+{
+ if (!hdriver->ops.close)
+ return;
+ hdriver->ops.close(hdriver);
+}
+
+static inline int usbip_refresh_device_list(struct usbip_host_driver *hdriver)
+{
+ if (!hdriver->ops.refresh_device_list)
+ return -EOPNOTSUPP;
+ return hdriver->ops.refresh_device_list(hdriver);
+}
+
+static inline struct usbip_exported_device *
+usbip_get_device(struct usbip_host_driver *hdriver, int num)
+{
+ if (!hdriver->ops.get_device)
+ return NULL;
+ return hdriver->ops.get_device(hdriver, num);
+}
+
+/* Helper functions for implementing driver backend */
+int usbip_generic_driver_open(struct usbip_host_driver *hdriver);
+void usbip_generic_driver_close(struct usbip_host_driver *hdriver);
+int usbip_generic_refresh_device_list(struct usbip_host_driver *hdriver);
+int usbip_export_device(struct usbip_exported_device *edev, int sockfd);
+struct usbip_exported_device *usbip_generic_get_device(
+ struct usbip_host_driver *hdriver, int num);
+
+#endif /* __USBIP_HOST_COMMON_H */
diff --git a/tools/usb/usbip/libsrc/usbip_host_driver.c b/tools/usb/usbip/libsrc/usbip_host_driver.c
index bef08d5c44e8..4de6edc54d35 100644
--- a/tools/usb/usbip/libsrc/usbip_host_driver.c
+++ b/tools/usb/usbip/libsrc/usbip_host_driver.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -16,265 +19,47 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include <errno.h>
#include <unistd.h>
-
#include <libudev.h>
-#include "usbip_common.h"
+#include "usbip_host_common.h"
#include "usbip_host_driver.h"
-#include "list.h"
-#include "sysfs_utils.h"
#undef PROGNAME
#define PROGNAME "libusbip"
-struct usbip_host_driver *host_driver;
-struct udev *udev_context;
-
-static int32_t read_attr_usbip_status(struct usbip_usb_device *udev)
-{
- char status_attr_path[SYSFS_PATH_MAX];
- int fd;
- int length;
- char status;
- int value = 0;
-
- snprintf(status_attr_path, SYSFS_PATH_MAX, "%s/usbip_status",
- udev->path);
-
- fd = open(status_attr_path, O_RDONLY);
- if (fd < 0) {
- err("error opening attribute %s", status_attr_path);
- return -1;
- }
-
- length = read(fd, &status, 1);
- if (length < 0) {
- err("error reading attribute %s", status_attr_path);
- close(fd);
- return -1;
- }
-
- value = atoi(&status);
-
- return value;
-}
-
-static
-struct usbip_exported_device *usbip_exported_device_new(const char *sdevpath)
-{
- struct usbip_exported_device *edev = NULL;
- struct usbip_exported_device *edev_old;
- size_t size;
- int i;
-
- edev = calloc(1, sizeof(struct usbip_exported_device));
-
- edev->sudev = udev_device_new_from_syspath(udev_context, sdevpath);
- if (!edev->sudev) {
- err("udev_device_new_from_syspath: %s", sdevpath);
- goto err;
- }
-
- read_usb_device(edev->sudev, &edev->udev);
-
- edev->status = read_attr_usbip_status(&edev->udev);
- if (edev->status < 0)
- goto err;
-
- /* reallocate buffer to include usb interface data */
- size = sizeof(struct usbip_exported_device) +
- edev->udev.bNumInterfaces * sizeof(struct usbip_usb_interface);
-
- edev_old = edev;
- edev = realloc(edev, size);
- if (!edev) {
- edev = edev_old;
- dbg("realloc failed");
- goto err;
- }
-
- for (i = 0; i < edev->udev.bNumInterfaces; i++)
- read_usb_interface(&edev->udev, i, &edev->uinf[i]);
-
- return edev;
-err:
- if (edev->sudev)
- udev_device_unref(edev->sudev);
- if (edev)
- free(edev);
-
- return NULL;
-}
-
-static int refresh_exported_devices(void)
+static int is_my_device(struct udev_device *dev)
{
- struct usbip_exported_device *edev;
- struct udev_enumerate *enumerate;
- struct udev_list_entry *devices, *dev_list_entry;
- struct udev_device *dev;
- const char *path;
const char *driver;
- enumerate = udev_enumerate_new(udev_context);
- udev_enumerate_add_match_subsystem(enumerate, "usb");
- udev_enumerate_scan_devices(enumerate);
-
- devices = udev_enumerate_get_list_entry(enumerate);
-
- udev_list_entry_foreach(dev_list_entry, devices) {
- path = udev_list_entry_get_name(dev_list_entry);
- dev = udev_device_new_from_syspath(udev_context, path);
- if (dev == NULL)
- continue;
-
- /* Check whether device uses usbip-host driver. */
- driver = udev_device_get_driver(dev);
- if (driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME)) {
- edev = usbip_exported_device_new(path);
- if (!edev) {
- dbg("usbip_exported_device_new failed");
- continue;
- }
-
- list_add(&edev->node, &host_driver->edev_list);
- host_driver->ndevs++;
- }
- }
-
- return 0;
-}
-
-static void usbip_exported_device_destroy(void)
-{
- struct list_head *i, *tmp;
- struct usbip_exported_device *edev;
-
- list_for_each_safe(i, tmp, &host_driver->edev_list) {
- edev = list_entry(i, struct usbip_exported_device, node);
- list_del(i);
- free(edev);
- }
+ driver = udev_device_get_driver(dev);
+ return driver != NULL && !strcmp(driver, USBIP_HOST_DRV_NAME);
}
-int usbip_host_driver_open(void)
+static int usbip_host_driver_open(struct usbip_host_driver *hdriver)
{
- int rc;
-
- udev_context = udev_new();
- if (!udev_context) {
- err("udev_new failed");
- return -1;
- }
-
- host_driver = calloc(1, sizeof(*host_driver));
-
- host_driver->ndevs = 0;
- INIT_LIST_HEAD(&host_driver->edev_list);
-
- rc = refresh_exported_devices();
- if (rc < 0)
- goto err_free_host_driver;
-
- return 0;
-
-err_free_host_driver:
- free(host_driver);
- host_driver = NULL;
-
- udev_unref(udev_context);
-
- return -1;
-}
-
-void usbip_host_driver_close(void)
-{
- if (!host_driver)
- return;
-
- usbip_exported_device_destroy();
-
- free(host_driver);
- host_driver = NULL;
-
- udev_unref(udev_context);
-}
-
-int usbip_host_refresh_device_list(void)
-{
- int rc;
-
- usbip_exported_device_destroy();
-
- host_driver->ndevs = 0;
- INIT_LIST_HEAD(&host_driver->edev_list);
-
- rc = refresh_exported_devices();
- if (rc < 0)
- return -1;
-
- return 0;
-}
-
-int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd)
-{
- char attr_name[] = "usbip_sockfd";
- char sockfd_attr_path[SYSFS_PATH_MAX];
- char sockfd_buff[30];
int ret;
- if (edev->status != SDEV_ST_AVAILABLE) {
- dbg("device not available: %s", edev->udev.busid);
- switch (edev->status) {
- case SDEV_ST_ERROR:
- dbg("status SDEV_ST_ERROR");
- break;
- case SDEV_ST_USED:
- dbg("status SDEV_ST_USED");
- break;
- default:
- dbg("status unknown: 0x%x", edev->status);
- }
- return -1;
- }
-
- /* only the first interface is true */
- snprintf(sockfd_attr_path, sizeof(sockfd_attr_path), "%s/%s",
- edev->udev.path, attr_name);
-
- snprintf(sockfd_buff, sizeof(sockfd_buff), "%d\n", sockfd);
-
- ret = write_sysfs_attribute(sockfd_attr_path, sockfd_buff,
- strlen(sockfd_buff));
- if (ret < 0) {
- err("write_sysfs_attribute failed: sockfd %s to %s",
- sockfd_buff, sockfd_attr_path);
- return ret;
- }
-
- info("connect: %s", edev->udev.busid);
+ hdriver->ndevs = 0;
+ INIT_LIST_HEAD(&hdriver->edev_list);
+ ret = usbip_generic_driver_open(hdriver);
+ if (ret)
+ err("please load " USBIP_CORE_MOD_NAME ".ko and "
+ USBIP_HOST_DRV_NAME ".ko!");
return ret;
}
-struct usbip_exported_device *usbip_host_get_device(int num)
-{
- struct list_head *i;
- struct usbip_exported_device *edev;
- int cnt = 0;
-
- list_for_each(i, &host_driver->edev_list) {
- edev = list_entry(i, struct usbip_exported_device, node);
- if (num == cnt)
- return edev;
- else
- cnt++;
- }
-
- return NULL;
-}
+struct usbip_host_driver host_driver = {
+ .edev_list = LIST_HEAD_INIT(host_driver.edev_list),
+ .udev_subsystem = "usb",
+ .ops = {
+ .open = usbip_host_driver_open,
+ .close = usbip_generic_driver_close,
+ .refresh_device_list = usbip_generic_refresh_device_list,
+ .get_device = usbip_generic_get_device,
+ .read_device = read_usb_device,
+ .read_interface = read_usb_interface,
+ .is_my_device = is_my_device,
+ },
+};
diff --git a/tools/usb/usbip/libsrc/usbip_host_driver.h b/tools/usb/usbip/libsrc/usbip_host_driver.h
index 2a31f855c616..77f07e72a7fe 100644
--- a/tools/usb/usbip/libsrc/usbip_host_driver.h
+++ b/tools/usb/usbip/libsrc/usbip_host_driver.h
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -22,28 +25,8 @@
#include <stdint.h>
#include "usbip_common.h"
#include "list.h"
+#include "usbip_host_common.h"
-struct usbip_host_driver {
- int ndevs;
- /* list of exported device */
- struct list_head edev_list;
-};
-
-struct usbip_exported_device {
- struct udev_device *sudev;
- int32_t status;
- struct usbip_usb_device udev;
- struct list_head node;
- struct usbip_usb_interface uinf[];
-};
-
-extern struct usbip_host_driver *host_driver;
-
-int usbip_host_driver_open(void);
-void usbip_host_driver_close(void);
-
-int usbip_host_refresh_device_list(void);
-int usbip_host_export_device(struct usbip_exported_device *edev, int sockfd);
-struct usbip_exported_device *usbip_host_get_device(int num);
+extern struct usbip_host_driver host_driver;
#endif /* __USBIP_HOST_DRIVER_H */
diff --git a/tools/usb/usbip/src/usbip_attach.c b/tools/usb/usbip/src/usbip_attach.c
index d58a14dfc094..70a6b507fb62 100644
--- a/tools/usb/usbip/src/usbip_attach.c
+++ b/tools/usb/usbip/src/usbip_attach.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -36,7 +39,8 @@
static const char usbip_attach_usage_string[] =
"usbip attach <args>\n"
" -r, --remote=<host> The machine with exported USB devices\n"
- " -b, --busid=<busid> Busid of the device on <host>\n";
+ " -b, --busid=<busid> Busid of the device on <host>\n"
+ " -d, --device=<devid> Id of the virtual UDC on <host>\n";
void usbip_attach_usage(void)
{
@@ -203,6 +207,7 @@ int usbip_attach(int argc, char *argv[])
static const struct option opts[] = {
{ "remote", required_argument, NULL, 'r' },
{ "busid", required_argument, NULL, 'b' },
+ { "device", required_argument, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
char *host = NULL;
@@ -211,7 +216,7 @@ int usbip_attach(int argc, char *argv[])
int ret = -1;
for (;;) {
- opt = getopt_long(argc, argv, "r:b:", opts, NULL);
+ opt = getopt_long(argc, argv, "d:r:b:", opts, NULL);
if (opt == -1)
break;
@@ -220,6 +225,7 @@ int usbip_attach(int argc, char *argv[])
case 'r':
host = optarg;
break;
+ case 'd':
case 'b':
busid = optarg;
break;
diff --git a/tools/usb/usbip/src/usbip_list.c b/tools/usb/usbip/src/usbip_list.c
index d5ce34a410e7..f1b38e866dd7 100644
--- a/tools/usb/usbip/src/usbip_list.c
+++ b/tools/usb/usbip/src/usbip_list.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -30,6 +33,10 @@
#include <netdb.h>
#include <unistd.h>
+#include <dirent.h>
+
+#include <linux/usb/ch9.h>
+
#include "usbip_common.h"
#include "usbip_network.h"
#include "usbip.h"
@@ -205,8 +212,10 @@ static int list_devices(bool parsable)
/* Get device information. */
idVendor = udev_device_get_sysattr_value(dev, "idVendor");
idProduct = udev_device_get_sysattr_value(dev, "idProduct");
- bConfValue = udev_device_get_sysattr_value(dev, "bConfigurationValue");
- bNumIntfs = udev_device_get_sysattr_value(dev, "bNumInterfaces");
+ bConfValue = udev_device_get_sysattr_value(dev,
+ "bConfigurationValue");
+ bNumIntfs = udev_device_get_sysattr_value(dev,
+ "bNumInterfaces");
busid = udev_device_get_sysname(dev);
if (!idVendor || !idProduct || !bConfValue || !bNumIntfs) {
err("problem getting device attributes: %s",
@@ -237,12 +246,90 @@ err_out:
return ret;
}
+static int list_gadget_devices(bool parsable)
+{
+ int ret = -1;
+ struct udev *udev;
+ struct udev_enumerate *enumerate;
+ struct udev_list_entry *devices, *dev_list_entry;
+ struct udev_device *dev;
+ const char *path;
+ const char *driver;
+
+ const struct usb_device_descriptor *d_desc;
+ const char *descriptors;
+ char product_name[128];
+
+ uint16_t idVendor;
+ char idVendor_buf[8];
+ uint16_t idProduct;
+ char idProduct_buf[8];
+ const char *busid;
+
+ udev = udev_new();
+ enumerate = udev_enumerate_new(udev);
+
+ udev_enumerate_add_match_subsystem(enumerate, "platform");
+
+ udev_enumerate_scan_devices(enumerate);
+ devices = udev_enumerate_get_list_entry(enumerate);
+
+ udev_list_entry_foreach(dev_list_entry, devices) {
+ path = udev_list_entry_get_name(dev_list_entry);
+ dev = udev_device_new_from_syspath(udev, path);
+
+ driver = udev_device_get_driver(dev);
+ /* We only have mechanism to enumerate gadgets bound to vudc */
+ if (driver == NULL || strcmp(driver, USBIP_DEVICE_DRV_NAME))
+ continue;
+
+ /* Get device information. */
+ descriptors = udev_device_get_sysattr_value(dev,
+ VUDC_DEVICE_DESCR_FILE);
+
+ if (!descriptors) {
+ err("problem getting device attributes: %s",
+ strerror(errno));
+ goto err_out;
+ }
+
+ d_desc = (const struct usb_device_descriptor *) descriptors;
+
+ idVendor = le16toh(d_desc->idVendor);
+ sprintf(idVendor_buf, "0x%4x", idVendor);
+ idProduct = le16toh(d_desc->idProduct);
+ sprintf(idProduct_buf, "0x%4x", idVendor);
+ busid = udev_device_get_sysname(dev);
+
+ /* Get product name. */
+ usbip_names_get_product(product_name, sizeof(product_name),
+ le16toh(idVendor),
+ le16toh(idProduct));
+
+ /* Print information. */
+ print_device(busid, idVendor_buf, idProduct_buf, parsable);
+ print_product_name(product_name, parsable);
+
+ printf("\n");
+
+ udev_device_unref(dev);
+ }
+ ret = 0;
+
+err_out:
+ udev_enumerate_unref(enumerate);
+ udev_unref(udev);
+
+ return ret;
+}
+
int usbip_list(int argc, char *argv[])
{
static const struct option opts[] = {
{ "parsable", no_argument, NULL, 'p' },
{ "remote", required_argument, NULL, 'r' },
{ "local", no_argument, NULL, 'l' },
+ { "device", no_argument, NULL, 'd' },
{ NULL, 0, NULL, 0 }
};
@@ -254,7 +341,7 @@ int usbip_list(int argc, char *argv[])
err("failed to open %s", USBIDS_FILE);
for (;;) {
- opt = getopt_long(argc, argv, "pr:l", opts, NULL);
+ opt = getopt_long(argc, argv, "pr:ld", opts, NULL);
if (opt == -1)
break;
@@ -269,6 +356,9 @@ int usbip_list(int argc, char *argv[])
case 'l':
ret = list_devices(parsable);
goto out;
+ case 'd':
+ ret = list_gadget_devices(parsable);
+ goto out;
default:
goto err_out;
}
diff --git a/tools/usb/usbip/src/usbip_port.c b/tools/usb/usbip/src/usbip_port.c
index a2e884fd9226..7bd74fb3a9cd 100644
--- a/tools/usb/usbip/src/usbip_port.c
+++ b/tools/usb/usbip/src/usbip_port.c
@@ -22,10 +22,13 @@ static int list_imported_devices(void)
struct usbip_imported_device *idev;
int ret;
+ if (usbip_names_init(USBIDS_FILE))
+ err("failed to open %s", USBIDS_FILE);
+
ret = usbip_vhci_driver_open();
if (ret < 0) {
err("open vhci_driver");
- return -1;
+ goto err_names_free;
}
printf("Imported USB devices\n");
@@ -35,13 +38,19 @@ static int list_imported_devices(void)
idev = &vhci_driver->idev[i];
if (usbip_vhci_imported_device_dump(idev) < 0)
- ret = -1;
+ goto err_driver_close;
}
usbip_vhci_driver_close();
+ usbip_names_free();
return ret;
+err_driver_close:
+ usbip_vhci_driver_close();
+err_names_free:
+ usbip_names_free();
+ return -1;
}
int usbip_port_show(__attribute__((unused)) int argc,
diff --git a/tools/usb/usbip/src/usbipd.c b/tools/usb/usbip/src/usbipd.c
index 2a7cd2b8d966..a0972dea9e6c 100644
--- a/tools/usb/usbip/src/usbipd.c
+++ b/tools/usb/usbip/src/usbipd.c
@@ -1,6 +1,9 @@
/*
* Copyright (C) 2011 matt mooney <mfm@muteddisk.com>
* 2005-2007 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Igor Kotrasinski <i.kotrasinsk@samsung.com>
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -41,6 +44,8 @@
#include <poll.h>
#include "usbip_host_driver.h"
+#include "usbip_host_common.h"
+#include "usbip_device_driver.h"
#include "usbip_common.h"
#include "usbip_network.h"
#include "list.h"
@@ -64,6 +69,11 @@ static const char usbipd_help_string[] =
" -6, --ipv6\n"
" Bind to IPv6. Default is both.\n"
"\n"
+ " -e, --device\n"
+ " Run in device mode.\n"
+ " Rather than drive an attached device, create\n"
+ " a virtual UDC to bind gadgets to.\n"
+ "\n"
" -D, --daemon\n"
" Run as a daemon process.\n"
"\n"
@@ -83,6 +93,8 @@ static const char usbipd_help_string[] =
" -v, --version\n"
" Show version.\n";
+static struct usbip_host_driver *driver;
+
static void usbipd_help(void)
{
printf("%s\n", usbipd_help_string);
@@ -107,7 +119,7 @@ static int recv_request_import(int sockfd)
}
PACK_OP_IMPORT_REQUEST(0, &req);
- list_for_each(i, &host_driver->edev_list) {
+ list_for_each(i, &driver->edev_list) {
edev = list_entry(i, struct usbip_exported_device, node);
if (!strncmp(req.busid, edev->udev.busid, SYSFS_BUS_ID_SIZE)) {
info("found requested device: %s", req.busid);
@@ -121,7 +133,7 @@ static int recv_request_import(int sockfd)
usbip_net_set_nodelay(sockfd);
/* export device needs a TCP/IP socket descriptor */
- rc = usbip_host_export_device(edev, sockfd);
+ rc = usbip_export_device(edev, sockfd);
if (rc < 0)
error = 1;
} else {
@@ -166,7 +178,7 @@ static int send_reply_devlist(int connfd)
reply.ndev = 0;
/* number of exported devices */
- list_for_each(j, &host_driver->edev_list) {
+ list_for_each(j, &driver->edev_list) {
reply.ndev += 1;
}
info("exportable devices: %d", reply.ndev);
@@ -184,7 +196,7 @@ static int send_reply_devlist(int connfd)
return -1;
}
- list_for_each(j, &host_driver->edev_list) {
+ list_for_each(j, &driver->edev_list) {
edev = list_entry(j, struct usbip_exported_device, node);
dump_usb_device(&edev->udev);
memcpy(&pdu_udev, &edev->udev, sizeof(pdu_udev));
@@ -246,7 +258,7 @@ static int recv_pdu(int connfd)
return -1;
}
- ret = usbip_host_refresh_device_list();
+ ret = usbip_refresh_device_list(driver);
if (ret < 0) {
dbg("could not refresh device list: %d", ret);
return -1;
@@ -491,16 +503,13 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6)
struct timespec timeout;
sigset_t sigmask;
- if (usbip_host_driver_open()) {
- err("please load " USBIP_CORE_MOD_NAME ".ko and "
- USBIP_HOST_DRV_NAME ".ko!");
+ if (usbip_driver_open(driver))
return -1;
- }
if (daemonize) {
if (daemon(0, 0) < 0) {
err("daemonizing failed: %s", strerror(errno));
- usbip_host_driver_close();
+ usbip_driver_close(driver);
return -1;
}
umask(0);
@@ -525,7 +534,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6)
ai_head = do_getaddrinfo(NULL, family);
if (!ai_head) {
- usbip_host_driver_close();
+ usbip_driver_close(driver);
return -1;
}
nsockfd = listen_all_addrinfo(ai_head, sockfdlist,
@@ -533,7 +542,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6)
freeaddrinfo(ai_head);
if (nsockfd <= 0) {
err("failed to open a listening socket");
- usbip_host_driver_close();
+ usbip_driver_close(driver);
return -1;
}
@@ -574,7 +583,7 @@ static int do_standalone_mode(int daemonize, int ipv4, int ipv6)
info("shutting down " PROGNAME);
free(fds);
- usbip_host_driver_close();
+ usbip_driver_close(driver);
return 0;
}
@@ -587,6 +596,7 @@ int main(int argc, char *argv[])
{ "daemon", no_argument, NULL, 'D' },
{ "daemon", no_argument, NULL, 'D' },
{ "debug", no_argument, NULL, 'd' },
+ { "device", no_argument, NULL, 'e' },
{ "pid", optional_argument, NULL, 'P' },
{ "tcp-port", required_argument, NULL, 't' },
{ "help", no_argument, NULL, 'h' },
@@ -613,8 +623,9 @@ int main(int argc, char *argv[])
err("not running as root?");
cmd = cmd_standalone_mode;
+ driver = &host_driver;
for (;;) {
- opt = getopt_long(argc, argv, "46DdP::t:hv", longopts, NULL);
+ opt = getopt_long(argc, argv, "46DdeP::t:hv", longopts, NULL);
if (opt == -1)
break;
@@ -644,6 +655,9 @@ int main(int argc, char *argv[])
case 'v':
cmd = cmd_version;
break;
+ case 'e':
+ driver = &device_driver;
+ break;
case '?':
usbipd_help();
default:
diff --git a/tools/virtio/ringtest/Makefile b/tools/virtio/ringtest/Makefile
index feaa64ac4630..6ba745529833 100644
--- a/tools/virtio/ringtest/Makefile
+++ b/tools/virtio/ringtest/Makefile
@@ -1,6 +1,6 @@
all:
-all: ring virtio_ring_0_9 virtio_ring_poll
+all: ring virtio_ring_0_9 virtio_ring_poll virtio_ring_inorder
CFLAGS += -Wall
CFLAGS += -pthread -O2 -ggdb
@@ -10,13 +10,16 @@ main.o: main.c main.h
ring.o: ring.c main.h
virtio_ring_0_9.o: virtio_ring_0_9.c main.h
virtio_ring_poll.o: virtio_ring_poll.c virtio_ring_0_9.c main.h
+virtio_ring_inorder.o: virtio_ring_inorder.c virtio_ring_0_9.c main.h
ring: ring.o main.o
virtio_ring_0_9: virtio_ring_0_9.o main.o
virtio_ring_poll: virtio_ring_poll.o main.o
+virtio_ring_inorder: virtio_ring_inorder.o main.o
clean:
-rm main.o
-rm ring.o ring
-rm virtio_ring_0_9.o virtio_ring_0_9
-rm virtio_ring_poll.o virtio_ring_poll
+ -rm virtio_ring_inorder.o virtio_ring_inorder
.PHONY: all clean
diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index 3a5ff438bd62..147abb452a6c 100644
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -115,7 +115,7 @@ static void run_guest(void)
do {
if (started < bufs &&
started - completed < max_outstanding) {
- r = add_inbuf(0, NULL, "Hello, world!");
+ r = add_inbuf(0, "Buffer\n", "Hello, world!");
if (__builtin_expect(r == 0, true)) {
++started;
if (!--tokick) {
diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c
index 47c9a1a18d36..761866212aac 100644
--- a/tools/virtio/ringtest/virtio_ring_0_9.c
+++ b/tools/virtio/ringtest/virtio_ring_0_9.c
@@ -26,6 +26,14 @@ struct vring ring;
* high bits of ring id ^ 0x8000).
*/
/* #ifdef RING_POLL */
+/* enabling the below activates experimental in-order code
+ * (which skips ring updates and reads and writes len in descriptor).
+ */
+/* #ifdef INORDER */
+
+#if defined(RING_POLL) && defined(INORDER)
+#error "RING_POLL and INORDER are mutually exclusive"
+#endif
/* how much padding is needed to avoid false cache sharing */
#define HOST_GUEST_PADDING 0x80
@@ -35,7 +43,11 @@ struct guest {
unsigned short last_used_idx;
unsigned short num_free;
unsigned short kicked_avail_idx;
+#ifndef INORDER
unsigned short free_head;
+#else
+ unsigned short reserved_free_head;
+#endif
unsigned char reserved[HOST_GUEST_PADDING - 10];
} guest;
@@ -66,8 +78,10 @@ void alloc_ring(void)
guest.avail_idx = 0;
guest.kicked_avail_idx = -1;
guest.last_used_idx = 0;
+#ifndef INORDER
/* Put everything in free lists. */
guest.free_head = 0;
+#endif
for (i = 0; i < ring_size - 1; i++)
ring.desc[i].next = i + 1;
host.used_idx = 0;
@@ -84,13 +98,20 @@ void alloc_ring(void)
/* guest side */
int add_inbuf(unsigned len, void *buf, void *datap)
{
- unsigned head, avail;
+ unsigned head;
+#ifndef INORDER
+ unsigned avail;
+#endif
struct vring_desc *desc;
if (!guest.num_free)
return -1;
+#ifdef INORDER
+ head = (ring_size - 1) & (guest.avail_idx++);
+#else
head = guest.free_head;
+#endif
guest.num_free--;
desc = ring.desc;
@@ -102,7 +123,9 @@ int add_inbuf(unsigned len, void *buf, void *datap)
* descriptors.
*/
desc[head].flags &= ~VRING_DESC_F_NEXT;
+#ifndef INORDER
guest.free_head = desc[head].next;
+#endif
data[head].data = datap;
@@ -113,8 +136,12 @@ int add_inbuf(unsigned len, void *buf, void *datap)
ring.avail->ring[avail & (ring_size - 1)] =
(head | (avail & ~(ring_size - 1))) ^ 0x8000;
#else
+#ifndef INORDER
+ /* Barrier A (for pairing) */
+ smp_release();
avail = (ring_size - 1) & (guest.avail_idx++);
ring.avail->ring[avail] = head;
+#endif
/* Barrier A (for pairing) */
smp_release();
#endif
@@ -141,15 +168,27 @@ void *get_buf(unsigned *lenp, void **bufp)
return NULL;
/* Barrier B (for pairing) */
smp_acquire();
+#ifdef INORDER
+ head = (ring_size - 1) & guest.last_used_idx;
+ index = head;
+#else
head = (ring_size - 1) & guest.last_used_idx;
index = ring.used->ring[head].id;
#endif
+
+#endif
+#ifdef INORDER
+ *lenp = ring.desc[index].len;
+#else
*lenp = ring.used->ring[head].len;
+#endif
datap = data[index].data;
*bufp = (void*)(unsigned long)ring.desc[index].addr;
data[index].data = NULL;
+#ifndef INORDER
ring.desc[index].next = guest.free_head;
guest.free_head = index;
+#endif
guest.num_free++;
guest.last_used_idx++;
return datap;
@@ -283,16 +322,24 @@ bool use_buf(unsigned *lenp, void **bufp)
smp_acquire();
used_idx &= ring_size - 1;
+#ifdef INORDER
+ head = used_idx;
+#else
head = ring.avail->ring[used_idx];
+#endif
desc = &ring.desc[head];
#endif
*lenp = desc->len;
*bufp = (void *)(unsigned long)desc->addr;
+#ifdef INORDER
+ desc->len = desc->len - 1;
+#else
/* now update used ring */
ring.used->ring[used_idx].id = head;
ring.used->ring[used_idx].len = desc->len - 1;
+#endif
/* Barrier B (for pairing) */
smp_release();
host.used_idx++;
diff --git a/tools/virtio/ringtest/virtio_ring_inorder.c b/tools/virtio/ringtest/virtio_ring_inorder.c
new file mode 100644
index 000000000000..2438ca58a2ad
--- /dev/null
+++ b/tools/virtio/ringtest/virtio_ring_inorder.c
@@ -0,0 +1,2 @@
+#define INORDER 1
+#include "virtio_ring_0_9.c"