Message ID | 20171009225623.29232-22-marcandre.lureau@redhat.com |
---|---|
State | New |
Headers | show |
Series | TPM: code cleanup & CRB device | expand |
On 10/09/2017 06:56 PM, Marc-André Lureau wrote: > Simplify the TPM backend setup, move callback to TPM interface. > > Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com> > --- > hw/tpm/tpm_int.h | 3 +++ > include/sysemu/tpm_backend.h | 6 +----- > backends/tpm.c | 4 +--- > hw/tpm/tpm_emulator.c | 3 ++- > hw/tpm/tpm_passthrough.c | 3 ++- > hw/tpm/tpm_tis.c | 11 ++++++----- > 6 files changed, 15 insertions(+), 15 deletions(-) > > diff --git a/hw/tpm/tpm_int.h b/hw/tpm/tpm_int.h > index eb02e7760c..9c045b6691 100644 > --- a/hw/tpm/tpm_int.h > +++ b/hw/tpm/tpm_int.h > @@ -29,6 +29,9 @@ typedef struct TPMIf { > > typedef struct TPMIfClass { > InterfaceClass parent_class; > + > + /* run in thread pool by backend */ > + void (*request_completed)(TPMIf *obj); > } TPMIfClass; > > #define TPM_STANDARD_CMDLINE_OPTS \ > diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h > index 3bb90be3de..03ea5a3400 100644 > --- a/include/sysemu/tpm_backend.h > +++ b/include/sysemu/tpm_backend.h > @@ -30,8 +30,6 @@ > typedef struct TPMBackendClass TPMBackendClass; > typedef struct TPMBackend TPMBackend; > > -typedef void (TPMRecvDataCB)(TPMState *); > - > typedef struct TPMBackendCmd { > uint8_t locty; > const uint8_t *in; > @@ -48,7 +46,6 @@ struct TPMBackend { > bool opened; > TPMState *tpm_state; > GThreadPool *thread_pool; > - TPMRecvDataCB *recv_data_callback; > bool had_startup_error; > > /* <public> */ > @@ -106,8 +103,7 @@ enum TpmType tpm_backend_get_type(TPMBackend *s); > * > * Returns 0 on success. > */ > -int tpm_backend_init(TPMBackend *s, TPMState *state, > - TPMRecvDataCB *datacb); > +int tpm_backend_init(TPMBackend *s, TPMState *state); > > /** > * tpm_backend_startup_tpm: > diff --git a/backends/tpm.c b/backends/tpm.c > index 87c5c09179..5763f6f369 100644 > --- a/backends/tpm.c > +++ b/backends/tpm.c > @@ -44,11 +44,9 @@ enum TpmType tpm_backend_get_type(TPMBackend *s) > return k->type; > } > > -int tpm_backend_init(TPMBackend *s, TPMState *state, > - TPMRecvDataCB *datacb) > +int tpm_backend_init(TPMBackend *s, TPMState *state) > { > s->tpm_state = state; > - s->recv_data_callback = datacb; > s->had_startup_error = false; > > return 0; > diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c > index 407ac97651..f04f4e0830 100644 > --- a/hw/tpm/tpm_emulator.c > +++ b/hw/tpm/tpm_emulator.c > @@ -176,6 +176,7 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number, > static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) > { > TPMEmulator *tpm_emu = TPM_EMULATOR(tb); > + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); > Error *err = NULL; > > DPRINTF("processing TPM command"); > @@ -190,7 +191,7 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) > goto error; > } > > - tb->recv_data_callback(tb->tpm_state); > + tic->request_completed(TPM_IF(tb->tpm_state)); > return; > > error: > diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c > index 4274164a61..c440aff4b2 100644 > --- a/hw/tpm/tpm_passthrough.c > +++ b/hw/tpm/tpm_passthrough.c > @@ -139,13 +139,14 @@ err_exit: > static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) > { > TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); > + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); > > 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); > > - tb->recv_data_callback(tb->tpm_state); > + tic->request_completed(TPM_IF(tb->tpm_state)); > } > > static void tpm_passthrough_reset(TPMBackend *tb) > diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c > index dbb50043ac..8c5cac5fa5 100644 > --- a/hw/tpm/tpm_tis.c > +++ b/hw/tpm/tpm_tis.c > @@ -430,11 +430,10 @@ static void tpm_tis_receive_bh(void *opaque) > TPM_TIS_INT_DATA_AVAILABLE | TPM_TIS_INT_STS_VALID); > } > > -/* > - * Callback from the TPM to indicate that the response was received. > - */ > -static void tpm_tis_receive_cb(TPMState *s) > +static void tpm_tis_request_completed(TPMIf *ti) > { > + TPMState *s = TPM(ti); > + > bool is_selftest_done = s->cmd.selftest_done; > uint8_t locty = s->cmd.locty; > uint8_t l; > @@ -1078,7 +1077,7 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp) > > s->be_driver->fe_model = TPM_MODEL_TPM_TIS; > > - if (tpm_backend_init(s->be_driver, s, tpm_tis_receive_cb)) { > + if (tpm_backend_init(s->be_driver, s)) { > error_setg(errp, "tpm_tis: backend driver with id %s could not be " > "initialized", s->backend); > return; > @@ -1110,11 +1109,13 @@ static void tpm_tis_initfn(Object *obj) > static void tpm_tis_class_init(ObjectClass *klass, void *data) > { > DeviceClass *dc = DEVICE_CLASS(klass); > + TPMIfClass *tc = TPM_IF_CLASS(klass); > > dc->realize = tpm_tis_realizefn; > dc->props = tpm_tis_properties; > dc->reset = tpm_tis_reset; > dc->vmsd = &vmstate_tpm_tis; > + tc->request_completed = tpm_tis_request_completed; > } > > static const TypeInfo tpm_tis_info = {
diff --git a/hw/tpm/tpm_int.h b/hw/tpm/tpm_int.h index eb02e7760c..9c045b6691 100644 --- a/hw/tpm/tpm_int.h +++ b/hw/tpm/tpm_int.h @@ -29,6 +29,9 @@ typedef struct TPMIf { typedef struct TPMIfClass { InterfaceClass parent_class; + + /* run in thread pool by backend */ + void (*request_completed)(TPMIf *obj); } TPMIfClass; #define TPM_STANDARD_CMDLINE_OPTS \ diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h index 3bb90be3de..03ea5a3400 100644 --- a/include/sysemu/tpm_backend.h +++ b/include/sysemu/tpm_backend.h @@ -30,8 +30,6 @@ typedef struct TPMBackendClass TPMBackendClass; typedef struct TPMBackend TPMBackend; -typedef void (TPMRecvDataCB)(TPMState *); - typedef struct TPMBackendCmd { uint8_t locty; const uint8_t *in; @@ -48,7 +46,6 @@ struct TPMBackend { bool opened; TPMState *tpm_state; GThreadPool *thread_pool; - TPMRecvDataCB *recv_data_callback; bool had_startup_error; /* <public> */ @@ -106,8 +103,7 @@ enum TpmType tpm_backend_get_type(TPMBackend *s); * * Returns 0 on success. */ -int tpm_backend_init(TPMBackend *s, TPMState *state, - TPMRecvDataCB *datacb); +int tpm_backend_init(TPMBackend *s, TPMState *state); /** * tpm_backend_startup_tpm: diff --git a/backends/tpm.c b/backends/tpm.c index 87c5c09179..5763f6f369 100644 --- a/backends/tpm.c +++ b/backends/tpm.c @@ -44,11 +44,9 @@ enum TpmType tpm_backend_get_type(TPMBackend *s) return k->type; } -int tpm_backend_init(TPMBackend *s, TPMState *state, - TPMRecvDataCB *datacb) +int tpm_backend_init(TPMBackend *s, TPMState *state) { s->tpm_state = state; - s->recv_data_callback = datacb; s->had_startup_error = false; return 0; diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 407ac97651..f04f4e0830 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -176,6 +176,7 @@ static int tpm_emulator_set_locality(TPMEmulator *tpm_emu, uint8_t locty_number, static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) { TPMEmulator *tpm_emu = TPM_EMULATOR(tb); + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); Error *err = NULL; DPRINTF("processing TPM command"); @@ -190,7 +191,7 @@ static void tpm_emulator_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) goto error; } - tb->recv_data_callback(tb->tpm_state); + tic->request_completed(TPM_IF(tb->tpm_state)); return; error: diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c index 4274164a61..c440aff4b2 100644 --- a/hw/tpm/tpm_passthrough.c +++ b/hw/tpm/tpm_passthrough.c @@ -139,13 +139,14 @@ err_exit: static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd *cmd) { TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); + TPMIfClass *tic = TPM_IF_GET_CLASS(tb->tpm_state); 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); - tb->recv_data_callback(tb->tpm_state); + tic->request_completed(TPM_IF(tb->tpm_state)); } static void tpm_passthrough_reset(TPMBackend *tb) diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c index dbb50043ac..8c5cac5fa5 100644 --- a/hw/tpm/tpm_tis.c +++ b/hw/tpm/tpm_tis.c @@ -430,11 +430,10 @@ static void tpm_tis_receive_bh(void *opaque) TPM_TIS_INT_DATA_AVAILABLE | TPM_TIS_INT_STS_VALID); } -/* - * Callback from the TPM to indicate that the response was received. - */ -static void tpm_tis_receive_cb(TPMState *s) +static void tpm_tis_request_completed(TPMIf *ti) { + TPMState *s = TPM(ti); + bool is_selftest_done = s->cmd.selftest_done; uint8_t locty = s->cmd.locty; uint8_t l; @@ -1078,7 +1077,7 @@ static void tpm_tis_realizefn(DeviceState *dev, Error **errp) s->be_driver->fe_model = TPM_MODEL_TPM_TIS; - if (tpm_backend_init(s->be_driver, s, tpm_tis_receive_cb)) { + if (tpm_backend_init(s->be_driver, s)) { error_setg(errp, "tpm_tis: backend driver with id %s could not be " "initialized", s->backend); return; @@ -1110,11 +1109,13 @@ static void tpm_tis_initfn(Object *obj) static void tpm_tis_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); + TPMIfClass *tc = TPM_IF_CLASS(klass); dc->realize = tpm_tis_realizefn; dc->props = tpm_tis_properties; dc->reset = tpm_tis_reset; dc->vmsd = &vmstate_tpm_tis; + tc->request_completed = tpm_tis_request_completed; } static const TypeInfo tpm_tis_info = {
Simplify the TPM backend setup, move callback to TPM interface. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> --- hw/tpm/tpm_int.h | 3 +++ include/sysemu/tpm_backend.h | 6 +----- backends/tpm.c | 4 +--- hw/tpm/tpm_emulator.c | 3 ++- hw/tpm/tpm_passthrough.c | 3 ++- hw/tpm/tpm_tis.c | 11 ++++++----- 6 files changed, 15 insertions(+), 15 deletions(-)