From 905e78ba25c613a9daa7adb4e8fb3aec0fa4a2c9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 10 Oct 2017 00:55:52 +0200 Subject: tpm: remove unused TPMBackendCmd MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There is only handling of request so far in both backends. Signed-off-by: Marc-André Lureau Reviewed-by: Stefan Berger Signed-off-by: Stefan Berger --- backends/tpm.c | 7 ++----- hw/tpm/tpm_emulator.c | 42 ++++++++++++++++-------------------------- hw/tpm/tpm_passthrough.c | 29 ++++++++++------------------- include/sysemu/tpm_backend.h | 9 +-------- 4 files changed, 29 insertions(+), 58 deletions(-) diff --git a/backends/tpm.c b/backends/tpm.c index dc750d48c9..34e82085ec 100644 --- a/backends/tpm.c +++ b/backends/tpm.c @@ -25,13 +25,12 @@ static void tpm_backend_worker_thread(gpointer data, gpointer user_data) TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); assert(k->handle_request != NULL); - k->handle_request(s, (TPMBackendCmd)data); + k->handle_request(s); } static void tpm_backend_thread_end(TPMBackend *s) { if (s->thread_pool) { - g_thread_pool_push(s->thread_pool, (gpointer)TPM_BACKEND_CMD_END, NULL); g_thread_pool_free(s->thread_pool, FALSE, TRUE); s->thread_pool = NULL; } @@ -64,7 +63,6 @@ int tpm_backend_startup_tpm(TPMBackend *s) s->thread_pool = g_thread_pool_new(tpm_backend_worker_thread, s, 1, TRUE, NULL); - g_thread_pool_push(s->thread_pool, (gpointer)TPM_BACKEND_CMD_INIT, NULL); res = k->startup_tpm ? k->startup_tpm(s) : 0; @@ -80,8 +78,7 @@ bool tpm_backend_had_startup_error(TPMBackend *s) void tpm_backend_deliver_request(TPMBackend *s) { - g_thread_pool_push(s->thread_pool, (gpointer)TPM_BACKEND_CMD_PROCESS_CMD, - NULL); + g_thread_pool_push(s->thread_pool, NULL, NULL); } void tpm_backend_reset(TPMBackend *s) diff --git a/hw/tpm/tpm_emulator.c b/hw/tpm/tpm_emulator.c index 03ea5845db..a6763e8ea2 100644 --- a/hw/tpm/tpm_emulator.c +++ b/hw/tpm/tpm_emulator.c @@ -172,39 +172,29 @@ 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) { TPMEmulator *tpm_emu = TPM_EMULATOR(tb); TPMLocality *locty = NULL; bool selftest_done = false; Error *err = NULL; - DPRINTF("processing command type %d", cmd); - - switch (cmd) { - case TPM_BACKEND_CMD_PROCESS_CMD: - locty = tb->tpm_state->locty_data; - if (tpm_emulator_set_locality(tpm_emu, - tb->tpm_state->locty_number) < 0 || - tpm_emulator_unix_tx_bufs(tpm_emu, locty->w_buffer.buffer, - locty->w_offset, locty->r_buffer.buffer, - locty->r_buffer.size, &selftest_done, - &err) < 0) { - tpm_util_write_fatal_error_response(locty->r_buffer.buffer, - locty->r_buffer.size); - error_report_err(err); - } - - tb->recv_data_callback(tb->tpm_state, tb->tpm_state->locty_number, - selftest_done); - - break; - case TPM_BACKEND_CMD_INIT: - case TPM_BACKEND_CMD_END: - case TPM_BACKEND_CMD_TPM_RESET: - /* nothing to do */ - break; + DPRINTF("processing TPM command"); + + locty = tb->tpm_state->locty_data; + if (tpm_emulator_set_locality(tpm_emu, + tb->tpm_state->locty_number) < 0 || + tpm_emulator_unix_tx_bufs(tpm_emu, locty->w_buffer.buffer, + locty->w_offset, locty->r_buffer.buffer, + locty->r_buffer.size, &selftest_done, + &err) < 0) { + tpm_util_write_fatal_error_response(locty->r_buffer.buffer, + locty->r_buffer.size); + error_report_err(err); } + + tb->recv_data_callback(tb->tpm_state, tb->tpm_state->locty_number, + selftest_done); } static int tpm_emulator_probe_caps(TPMEmulator *tpm_emu) diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c index d9da99bc8e..5cd988e8a4 100644 --- a/hw/tpm/tpm_passthrough.c +++ b/hw/tpm/tpm_passthrough.c @@ -149,29 +149,20 @@ static int tpm_passthrough_unix_transfer(TPMPassthruState *tpm_pt, selftest_done); } -static void tpm_passthrough_handle_request(TPMBackend *tb, TPMBackendCmd cmd) +static void tpm_passthrough_handle_request(TPMBackend *tb) { TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); bool selftest_done = false; - DPRINTF("tpm_passthrough: processing command type %d\n", cmd); - - switch (cmd) { - case TPM_BACKEND_CMD_PROCESS_CMD: - tpm_passthrough_unix_transfer(tpm_pt, - tb->tpm_state->locty_data, - &selftest_done); - - tb->recv_data_callback(tb->tpm_state, - tb->tpm_state->locty_number, - selftest_done); - break; - case TPM_BACKEND_CMD_INIT: - case TPM_BACKEND_CMD_END: - case TPM_BACKEND_CMD_TPM_RESET: - /* nothing to do */ - break; - } + DPRINTF("tpm_passthrough: processing command\n"); + + tpm_passthrough_unix_transfer(tpm_pt, + tb->tpm_state->locty_data, + &selftest_done); + + tb->recv_data_callback(tb->tpm_state, + tb->tpm_state->locty_number, + selftest_done); } static void tpm_passthrough_reset(TPMBackend *tb) diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h index b08f985500..7d7ebfc21d 100644 --- a/include/sysemu/tpm_backend.h +++ b/include/sysemu/tpm_backend.h @@ -32,13 +32,6 @@ typedef struct TPMBackend TPMBackend; typedef void (TPMRecvDataCB)(TPMState *, uint8_t locty, bool selftest_done); -typedef enum TPMBackendCmd { - TPM_BACKEND_CMD_INIT = 1, - TPM_BACKEND_CMD_PROCESS_CMD, - TPM_BACKEND_CMD_END, - TPM_BACKEND_CMD_TPM_RESET, -} TPMBackendCmd; - struct TPMBackend { Object parent; @@ -83,7 +76,7 @@ struct TPMBackendClass { void (*opened)(TPMBackend *s, Error **errp); - void (*handle_request)(TPMBackend *s, TPMBackendCmd cmd); + void (*handle_request)(TPMBackend *s); }; /** -- cgit v1.2.1