diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0008-tpm-backend-Move-realloc_buffer-implementation-to-tp.patch')
| -rw-r--r-- | meta/recipes-devtools/qemu/qemu/0008-tpm-backend-Move-realloc_buffer-implementation-to-tp.patch | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0008-tpm-backend-Move-realloc_buffer-implementation-to-tp.patch b/meta/recipes-devtools/qemu/qemu/0008-tpm-backend-Move-realloc_buffer-implementation-to-tp.patch new file mode 100644 index 0000000000..94cc6c542c --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/0008-tpm-backend-Move-realloc_buffer-implementation-to-tp.patch @@ -0,0 +1,140 @@ +From 02189909fdc5e73b3ca54362084c16f0b67a3fdf Mon Sep 17 00:00:00 2001 +From: Amarnath Valluri <amarnath.valluri@intel.com> +Date: Fri, 7 Apr 2017 10:57:28 +0300 +Subject: [PATCH 08/12] tpm-backend: Move realloc_buffer() implementation to + tpm-tis model +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +buffer reallocation is very unlikely to be backend specific. Hence move inside +the tis. + +Signed-off-by: Amarnath Valluri <amarnath.valluri@intel.com> +Reviewed-by: Stefan Berger <stefanb@linux.vnet.ibm.com> +Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> + +Upstream-Status: Backport [d0c519bdffa303d141727369e55b157c45b03147] +--- + backends/tpm.c | 9 --------- + hw/tpm/tpm_passthrough.c | 12 ------------ + hw/tpm/tpm_tis.c | 14 ++++++++++++-- + include/sysemu/tpm_backend.h | 12 ------------ + 4 files changed, 12 insertions(+), 35 deletions(-) + +diff --git a/backends/tpm.c b/backends/tpm.c +index de313c9d5a..37c84b7c66 100644 +--- a/backends/tpm.c ++++ b/backends/tpm.c +@@ -80,15 +80,6 @@ bool tpm_backend_had_startup_error(TPMBackend *s) + return s->had_startup_error; + } + +-size_t tpm_backend_realloc_buffer(TPMBackend *s, TPMSizedBuffer *sb) +-{ +- TPMBackendClass *k = TPM_BACKEND_GET_CLASS(s); +- +- assert(k->ops->realloc_buffer); +- +- return k->ops->realloc_buffer(sb); +-} +- + void tpm_backend_deliver_request(TPMBackend *s) + { + g_thread_pool_push(s->thread_pool, (gpointer)TPM_BACKEND_CMD_PROCESS_CMD, +diff --git a/hw/tpm/tpm_passthrough.c b/hw/tpm/tpm_passthrough.c +index 84fc49a4d3..22d3460550 100644 +--- a/hw/tpm/tpm_passthrough.c ++++ b/hw/tpm/tpm_passthrough.c +@@ -247,17 +247,6 @@ static int tpm_passthrough_reset_tpm_established_flag(TPMBackend *tb, + return 0; + } + +-static size_t tpm_passthrough_realloc_buffer(TPMSizedBuffer *sb) +-{ +- size_t wanted_size = 4096; /* Linux tpm.c buffer size */ +- +- if (sb->size != wanted_size) { +- sb->buffer = g_realloc(sb->buffer, wanted_size); +- sb->size = wanted_size; +- } +- return sb->size; +-} +- + static void tpm_passthrough_cancel_cmd(TPMBackend *tb) + { + TPMPassthruState *tpm_pt = TPM_PASSTHROUGH(tb); +@@ -435,7 +424,6 @@ static const TPMDriverOps tpm_passthrough_driver = { + .opts = tpm_passthrough_cmdline_opts, + .desc = "Passthrough TPM backend driver", + .create = tpm_passthrough_create, +- .realloc_buffer = tpm_passthrough_realloc_buffer, + .reset = tpm_passthrough_reset, + .cancel_cmd = tpm_passthrough_cancel_cmd, + .get_tpm_established_flag = tpm_passthrough_get_tpm_established_flag, +diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c +index a6440fef91..d5118e7f60 100644 +--- a/hw/tpm/tpm_tis.c ++++ b/hw/tpm/tpm_tis.c +@@ -963,6 +963,16 @@ static int tpm_tis_do_startup_tpm(TPMState *s) + return tpm_backend_startup_tpm(s->be_driver); + } + ++static void tpm_tis_realloc_buffer(TPMSizedBuffer *sb) ++{ ++ size_t wanted_size = 4096; /* Linux tpm.c buffer size */ ++ ++ if (sb->size != wanted_size) { ++ sb->buffer = g_realloc(sb->buffer, wanted_size); ++ sb->size = wanted_size; ++ } ++} ++ + /* + * Get the TPMVersion of the backend device being used + */ +@@ -1010,9 +1020,9 @@ static void tpm_tis_reset(DeviceState *dev) + tis->loc[c].state = TPM_TIS_STATE_IDLE; + + tis->loc[c].w_offset = 0; +- tpm_backend_realloc_buffer(s->be_driver, &tis->loc[c].w_buffer); ++ tpm_tis_realloc_buffer(&tis->loc[c].w_buffer); + tis->loc[c].r_offset = 0; +- tpm_backend_realloc_buffer(s->be_driver, &tis->loc[c].r_buffer); ++ tpm_tis_realloc_buffer(&tis->loc[c].r_buffer); + } + + tpm_tis_do_startup_tpm(s); +diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h +index e96c1918cc..2c798a1eb4 100644 +--- a/include/sysemu/tpm_backend.h ++++ b/include/sysemu/tpm_backend.h +@@ -84,8 +84,6 @@ struct TPMDriverOps { + /* start up the TPM on the backend */ + int (*startup_tpm)(TPMBackend *t); + +- size_t (*realloc_buffer)(TPMSizedBuffer *sb); +- + void (*reset)(TPMBackend *t); + + void (*cancel_cmd)(TPMBackend *t); +@@ -140,16 +138,6 @@ int tpm_backend_startup_tpm(TPMBackend *s); + bool tpm_backend_had_startup_error(TPMBackend *s); + + /** +- * tpm_backend_realloc_buffer: +- * @s: the backend +- * @sb: the TPMSizedBuffer to re-allocated to the size suitable for the +- * backend. +- * +- * This function returns the size of the allocated buffer +- */ +-size_t tpm_backend_realloc_buffer(TPMBackend *s, TPMSizedBuffer *sb); +- +-/** + * tpm_backend_deliver_request: + * @s: the backend to send the request to + * +-- +2.11.0 + |