Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,net,MAINTAINERS,build updates

MAINTAINERS updated with link to the security process documentation
apic version modified to make more guests happy
On top of that, bugfixes all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Wed 07 May 2014 17:15:29 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream:
  configure: make source tree build more robust
  MAINTAINERS: addresses for responsible disclosure
  pm_smbus: correctly report unclaimed cycles
  smbus: return -1 if nothing found at the given address
  smbus: allow returning an error from reads
  apic: use emulated lapic version 0x14 on pc machines >= 2.1
  pc: add compat_props placeholder for 2.0 machine type
  i8259: don't abort when trying to use level sensitive irqs
  acpi: fix tables for no-hpet configuration
  acpi-build: properly decrement objects' reference counters
  acpi/pcihp.c: Rewrite acpi_pcihp_get_bsel using object_property_get_int

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

3 files changed, 22 insertions, 9 deletions

diff --git a/include/hw/i2c/smbus.h b/include/hw/i2c/smbus.h
index 63f0cc4788..544bbc1957 100644
--- a/include/hw/i2c/smbus.h
+++ b/include/hw/i2c/smbus.h
@@ -66,16 +66,16 @@ struct SMBusDevice {
 };
 
 /* Master device commands.  */
-void smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
-uint8_t smbus_receive_byte(I2CBus *bus, uint8_t addr);
-void smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
-uint8_t smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
-void smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
-uint16_t smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
-void smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
+int smbus_quick_command(I2CBus *bus, uint8_t addr, int read);
+int smbus_receive_byte(I2CBus *bus, uint8_t addr);
+int smbus_send_byte(I2CBus *bus, uint8_t addr, uint8_t data);
+int smbus_read_byte(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_write_byte(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t data);
+int smbus_read_word(I2CBus *bus, uint8_t addr, uint8_t command);
+int smbus_write_word(I2CBus *bus, uint8_t addr, uint8_t command, uint16_t data);
 int smbus_read_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data);
-void smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
-                       int len);
+int smbus_write_block(I2CBus *bus, uint8_t addr, uint8_t command, uint8_t *data,
+                      int len);
 
 void smbus_eeprom_init(I2CBus *smbus, int nb_eeprom,
                        const uint8_t *eeprom_spd, int size);
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 70542a6f43..83e2a42cc1 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -98,6 +98,7 @@ struct APICCommonState {
     X86CPU *cpu;
     uint32_t apicbase;
     uint8_t id;
+    uint8_t version;
     uint8_t arb_id;
     uint8_t tpr;
     uint32_t spurious_vec;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 9f26e14bef..32a76876c7 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -242,8 +242,12 @@ int e820_add_entry(uint64_t, uint64_t, uint32_t);
 int e820_get_num_entries(void);
 bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
 
+#define PC_Q35_COMPAT_2_0 \
+        PC_COMPAT_2_0
+
 #define PC_Q35_COMPAT_1_7 \
         PC_COMPAT_1_7, \
+        PC_Q35_COMPAT_2_0, \
         {\
             .driver   = "hpet",\
             .property = HPET_INTCAP,\
@@ -262,7 +266,15 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
         PC_COMPAT_1_4, \
         PC_Q35_COMPAT_1_5
 
+#define PC_COMPAT_2_0 \
+        {\
+            .driver   = "apic",\
+            .property = "version",\
+            .value    = stringify(0x11),\
+        }
+
 #define PC_COMPAT_1_7 \
+        PC_COMPAT_2_0, \
         {\
             .driver   = TYPE_USB_DEVICE,\
             .property = "msos-desc",\