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-rw-r--r--backends/tpm.c9
-rw-r--r--hw/tpm/tpm_emulator.c21
-rw-r--r--hw/tpm/tpm_passthrough.c31
-rw-r--r--hw/tpm/tpm_tis.c3
-rw-r--r--include/sysemu/tpm.h2
-rw-r--r--include/sysemu/tpm_backend.h3
6 files changed, 33 insertions, 36 deletions
diff --git a/backends/tpm.c b/backends/tpm.c
index 143807aa37..d617ba7c52 100644
--- a/backends/tpm.c
+++ b/backends/tpm.c
@@ -27,7 +27,7 @@ static void tpm_backend_request_completed(void *opaque, int ret)
TPMBackend *s = TPM_BACKEND(opaque);
TPMIfClass *tic = TPM_IF_GET_CLASS(s->tpmif);
- tic->request_completed(s->tpmif);
+ tic->request_completed(s->tpmif, ret);
/* no need for atomic, as long the BQL is taken */
s->cmd = NULL;
@@ -38,8 +38,13 @@ static int tpm_backend_worker_thread(gpointer data)
{
TPMBackend *s = TPM_BACKEND(data);
TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s);
+ Error *err = NULL;
- k->handle_request(s, s->cmd);
+ k->handle_request(s, s->cmd, &err);
+ if (err) {
+ error_report_err(err);
+ return -1;
+ }
return 0;
}
diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c
index 81bf7d1b01..710a9ec718 100644
--- a/hw/tpm/tpm_emulator.c
+++ b/hw/tpm/tpm_emulator.c
@@ -183,28 +183,19 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number,
return 0;
}
-static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd)
+static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
+ Error **errp)
{
TPMEmulator *tpm_emu = TPM_EMULATOR(tb);
- Error *err = NULL;
DPRINTF("processing TPM command");
- if (tpm_emulator_set_locality(tpm_emu, cmd->locty, &err) < 0) {
- goto error;
- }
-
- if (tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len,
+ if (tpm_emulator_set_locality(tpm_emu, cmd->locty, errp) < 0 ||
+ tpm_emulator_unix_tx_bufs(tpm_emu, cmd->in, cmd->in_len,
cmd->out, cmd->out_len,
- &cmd->selftest_done, &err) < 0) {
- goto error;
+ &cmd->selftest_done, errp) < 0) {
+ tpm_util_write_fatal_error_response(cmd->out, cmd->out_len);
}
-
- return;
-
-error:
- tpm_util_write_fatal_error_response(cmd->out, cmd->out_len);
- error_report_err(err);
}
static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu)
diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c
index fc42fe0933..a495fe07f4 100644
--- a/hw/tpm/tpm_passthrough.c
+++ b/hw/tpm/tpm_passthrough.c
@@ -80,10 +80,11 @@ static int tpm_passthrough_unix_read(int fd, uint8_t *buf, uint32_t len)
}
return ret;
}
-static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
- const uint8_t *in, uint32_t in_len,
- uint8_t *out, uint32_t out_len,
- bool *selftest_done)
+
+static void tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
+ const uint8_t *in, uint32_t in_len,
+ uint8_t *out, uint32_t out_len,
+ bool *selftest_done, Error **errp)
{
ssize_t ret;
bool is_selftest;
@@ -98,9 +99,8 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
ret = qemu_write_full(tpm_pt->tpm_fd, in, in_len);
if (ret != in_len) {
if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {
- error_report("tpm_passthrough: error while transmitting data "
- "to TPM: %s (%i)",
- strerror(errno), errno);
+ error_setg_errno(errp, errno, "tpm_passthrough: error while "
+ "transmitting data to TPM");
}
goto err_exit;
}
@@ -110,15 +110,14 @@ static int tpm_passthrough_unix_tx_bufs(TPMPassthruState *tpm_pt,
ret = tpm_passthrough_unix_read(tpm_pt->tpm_fd, out, out_len);
if (ret < 0) {
if (!tpm_pt->tpm_op_canceled || errno != ECANCELED) {
- error_report("tpm_passthrough: error while reading data from "
- "TPM: %s (%i)",
- strerror(errno), errno);
+ error_setg_errno(errp, errno, "tpm_passthrough: error while "
+ "reading data from TPM");
}
} else if (ret < sizeof(struct tpm_resp_hdr) ||
tpm_cmd_get_size(out) != ret) {
ret = -1;
- error_report("tpm_passthrough: received invalid response "
- "packet from TPM");
+ error_setg_errno(errp, errno, "tpm_passthrough: received invalid "
+ "response packet from TPM");
}
if (is_selftest && (ret >= sizeof(struct tpm_resp_hdr))) {
@@ -131,18 +130,18 @@ err_exit:
}
tpm_pt->tpm_executing = false;
-
- return ret;
}
-static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd)
+static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd,
+ Error **errp)
{
TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb);
DPRINTF("tpm_passthrough: processing command %p\n", cmd);
tpm_passthrough_unix_tx_bufs(tpm_pt, cmd->in, cmd->in_len,
- cmd->out, cmd->out_len, &cmd->selftest_done);
+ cmd->out, cmd->out_len, &cmd->selftest_done,
+ errp);
}
static void tpm_passthrough_reset(TPMBackend *tb)
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index 8b5eb01a2c..08f41d2707 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -393,7 +393,7 @@ static void tpm_tis_prep_abort(TPMState *s, uint8_t locty, uint8_t newlocty)
/*
* Callback from the TPM to indicate that the response was received.
*/
-static void tpm_tis_request_completed(TPMIf *ti)
+static void tpm_tis_request_completed(TPMIf *ti, int ret)
{
TPMState *s = TPM(ti);
uint8_t locty = s->cmd.locty;
@@ -405,6 +405,7 @@ static void tpm_tis_request_completed(TPMIf *ti)
}
}
+ /* FIXME: report error if ret != 0 */
tpm_tis_sts_set(&s->loc[locty],
TPM_TIS_STS_VALID | TPM_TIS_STS_DATA_AVAILABLE);
s->loc[locty].state = TPM_TIS_STATE_COMPLETION;
diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index 852e02687c..ac04a9d4a2 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -41,7 +41,7 @@ typedef struct TPMIfClass {
InterfaceClass parent_class;
enum TpmModel model;
- void (*request_completed)(TPMIf *obj);
+ void (*request_completed)(TPMIf *obj, int ret);
enum TPMVersion (*get_version)(TPMIf *obj);
} TPMIfClass;
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index a69593e0cd..7e166ef954 100644
--- a/include/sysemu/tpm_backend.h
+++ b/include/sysemu/tpm_backend.h
@@ -18,6 +18,7 @@
#include "qapi-types.h"
#include "qemu/option.h"
#include "sysemu/tpm.h"
+#include "qapi/error.h"
#define TYPE_TPM_BACKEND "tpm-backend"
#define TPM_BACKEND(obj) \
@@ -84,7 +85,7 @@ struct TPMBackendClass {
TpmTypeOptions *(*get_tpm_options)(TPMBackend *t);
- void (*handle_request)(TPMBackend *s, TPMBackendCmd *cmd);
+ void (*handle_request)(TPMBackend *s, TPMBackendCmd *cmd, Error **errp);
};
/**
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-18 02:57:02 +0000