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[88.10.103.181]) by smtp.gmail.com with ESMTPSA id d2sm9320318wrs.95.2020.06.12.01.55.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2020 01:55:51 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v3 12/12] tpm: Move backend code under the 'backends/' directory Date: Fri, 12 Jun 2020 10:54:44 +0200 Message-Id: <20200612085444.8362-13-philmd@redhat.com> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200612085444.8362-1-philmd@redhat.com> References: <20200612085444.8362-1-philmd@redhat.com> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8; text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/12 04:55:28 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Thomas Huth , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Paolo Bonzini , Stefan Berger , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" TPM subsytem is split into backends (see commit f4ede81eed2) and frontends (see i.e. 3676bc69b35). Keep the emulated hardware 'frontends' under hw/tpm/, but move the backends in the backends/tpm/ directory. Suggested-by: Marc-André Lureau Signed-off-by: Philippe Mathieu-Daudé --- docs/specs/tpm.rst | 8 +++--- Makefile | 2 +- Makefile.objs | 1 + {hw => backends}/tpm/tpm_int.h | 6 ++--- {hw => backends}/tpm/tpm_ioctl.h | 0 {hw => backends}/tpm/tpm_emulator.c | 0 {hw => backends}/tpm/tpm_passthrough.c | 0 {hw => backends}/tpm/tpm_util.c | 0 tests/qtest/tpm-emu.c | 2 +- backends/Kconfig | 1 + backends/tpm/Kconfig | 14 +++++++++++ backends/tpm/Makefile.objs | 3 +++ backends/tpm/trace-events | 33 +++++++++++++++++++++++++ hw/tpm/Kconfig | 15 ------------ hw/tpm/Makefile.objs | 3 --- hw/tpm/trace-events | 34 +------------------------- 16 files changed, 62 insertions(+), 60 deletions(-) rename {hw => backends}/tpm/tpm_int.h (96%) rename {hw => backends}/tpm/tpm_ioctl.h (100%) rename {hw => backends}/tpm/tpm_emulator.c (100%) rename {hw => backends}/tpm/tpm_passthrough.c (100%) rename {hw => backends}/tpm/tpm_util.c (100%) create mode 100644 backends/Kconfig create mode 100644 backends/tpm/Kconfig create mode 100644 backends/tpm/trace-events diff --git a/docs/specs/tpm.rst b/docs/specs/tpm.rst index 0200fdac68..ed6c0d785d 100644 --- a/docs/specs/tpm.rst +++ b/docs/specs/tpm.rst @@ -232,8 +232,8 @@ Integrity Measurement Architecture (IMA), are not expecting to share PCRs. QEMU files related to the TPM passthrough device: - - ``hw/tpm/tpm_passthrough.c`` - - ``hw/tpm/tpm_util.c`` + - ``backends/tpm/tpm_passthrough.c`` + - ``backends/tpm/tpm_util.c`` - ``include/sysemu/tpm_util.h`` @@ -292,8 +292,8 @@ instrumented to initialize a TPM 1.2 or TPM 2 device using this command. QEMU files related to the TPM emulator device: - - ``hw/tpm/tpm_emulator.c`` - - ``hw/tpm/tpm_util.c`` + - ``backends/tpm/tpm_emulator.c`` + - ``backends/tpm/tpm_util.c`` - ``include/sysemu/tpm_util.h`` The following commands start the swtpm with a UnixIO control channel over diff --git a/Makefile b/Makefile index d1af126ea1..0ab6e12dd6 100644 --- a/Makefile +++ b/Makefile @@ -418,7 +418,7 @@ MINIKCONF_ARGS = \ CONFIG_LINUX=$(CONFIG_LINUX) \ CONFIG_PVRDMA=$(CONFIG_PVRDMA) -MINIKCONF_INPUTS = $(SRC_PATH)/Kconfig.host $(SRC_PATH)/hw/Kconfig +MINIKCONF_INPUTS = $(SRC_PATH)/Kconfig.host $(SRC_PATH)/backends/Kconfig $(SRC_PATH)/hw/Kconfig MINIKCONF_DEPS = $(MINIKCONF_INPUTS) $(wildcard $(SRC_PATH)/hw/*/Kconfig) MINIKCONF = $(PYTHON) $(SRC_PATH)/scripts/minikconf.py \ diff --git a/Makefile.objs b/Makefile.objs index 99774cfd25..84fc651f53 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -125,6 +125,7 @@ trace-events-subdirs = trace-events-subdirs += accel/kvm trace-events-subdirs += accel/tcg trace-events-subdirs += backends +trace-events-subdirs += backends/tpm trace-events-subdirs += crypto trace-events-subdirs += monitor ifeq ($(CONFIG_USER_ONLY),y) diff --git a/hw/tpm/tpm_int.h b/backends/tpm/tpm_int.h similarity index 96% rename from hw/tpm/tpm_int.h rename to backends/tpm/tpm_int.h index 9f72879d89..ba6109306e 100644 --- a/hw/tpm/tpm_int.h +++ b/backends/tpm/tpm_int.h @@ -9,8 +9,8 @@ * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ -#ifndef TPM_TPM_INT_H -#define TPM_TPM_INT_H +#ifndef BACKENDS_TPM_INT_H +#define BACKENDS_TPM_INT_H #include "qemu/option.h" #include "sysemu/tpm.h" @@ -85,4 +85,4 @@ typedef struct TPMSizedBuffer { void tpm_sized_buffer_reset(TPMSizedBuffer *tsb); -#endif /* TPM_TPM_INT_H */ +#endif /* BACKENDS_TPM_INT_H */ diff --git a/hw/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h similarity index 100% rename from hw/tpm/tpm_ioctl.h rename to backends/tpm/tpm_ioctl.h diff --git a/hw/tpm/tpm_emulator.c b/backends/tpm/tpm_emulator.c similarity index 100% rename from hw/tpm/tpm_emulator.c rename to backends/tpm/tpm_emulator.c diff --git a/hw/tpm/tpm_passthrough.c b/backends/tpm/tpm_passthrough.c similarity index 100% rename from hw/tpm/tpm_passthrough.c rename to backends/tpm/tpm_passthrough.c diff --git a/hw/tpm/tpm_util.c b/backends/tpm/tpm_util.c similarity index 100% rename from hw/tpm/tpm_util.c rename to backends/tpm/tpm_util.c diff --git a/tests/qtest/tpm-emu.c b/tests/qtest/tpm-emu.c index c43ac4aef8..337647846f 100644 --- a/tests/qtest/tpm-emu.c +++ b/tests/qtest/tpm-emu.c @@ -13,7 +13,7 @@ #include "qemu/osdep.h" #include -#include "hw/tpm/tpm_ioctl.h" +#include "backends/tpm/tpm_ioctl.h" #include "io/channel-socket.h" #include "qapi/error.h" #include "tpm-emu.h" diff --git a/backends/Kconfig b/backends/Kconfig new file mode 100644 index 0000000000..f35abc1609 --- /dev/null +++ b/backends/Kconfig @@ -0,0 +1 @@ +source tpm/Kconfig diff --git a/backends/tpm/Kconfig b/backends/tpm/Kconfig new file mode 100644 index 0000000000..5d91eb89c2 --- /dev/null +++ b/backends/tpm/Kconfig @@ -0,0 +1,14 @@ +config TPM_BACKEND + bool + depends on TPM + +config TPM_PASSTHROUGH + bool + default y + # FIXME: should check for x86 host as well + depends on TPM_BACKEND && LINUX + +config TPM_EMULATOR + bool + default y + depends on TPM_BACKEND diff --git a/backends/tpm/Makefile.objs b/backends/tpm/Makefile.objs index 8cf5772824..db2731f634 100644 --- a/backends/tpm/Makefile.objs +++ b/backends/tpm/Makefile.objs @@ -1 +1,4 @@ common-obj-y += tpm_backend.o +common-obj-y += tpm_util.o +common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o +common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o diff --git a/backends/tpm/trace-events b/backends/tpm/trace-events new file mode 100644 index 0000000000..0a2591fb2d --- /dev/null +++ b/backends/tpm/trace-events @@ -0,0 +1,33 @@ +# See docs/devel/tracing.txt for syntax documentation. + +# tpm_passthrough.c +tpm_passthrough_handle_request(void *cmd) "processing command %p" +tpm_passthrough_reset(void) "reset" + +# tpm_util.c +tpm_util_get_buffer_size_hdr_len(uint32_t len, size_t expected) "tpm_resp->hdr.len = %u, expected = %zu" +tpm_util_get_buffer_size_len(uint32_t len, size_t expected) "tpm_resp->len = %u, expected = %zu" +tpm_util_get_buffer_size_hdr_len2(uint32_t len, size_t expected) "tpm2_resp->hdr.len = %u, expected = %zu" +tpm_util_get_buffer_size_len2(uint32_t len, size_t expected) "tpm2_resp->len = %u, expected = %zu" +tpm_util_get_buffer_size(size_t len) "buffersize of device: %zu" +tpm_util_show_buffer(const char *direction, size_t len, const char *buf) "direction: %s len: %zu\n%s" + +# tpm_emulator.c +tpm_emulator_set_locality(uint8_t locty) "setting locality to %d" +tpm_emulator_handle_request(void) "processing TPM command" +tpm_emulator_probe_caps(uint64_t caps) "capabilities: 0x%"PRIx64 +tpm_emulator_set_buffer_size(uint32_t buffersize, uint32_t minsize, uint32_t maxsize) "buffer size: %u, min: %u, max: %u" +tpm_emulator_startup_tpm_resume(bool is_resume, size_t buffersize) "is_resume: %d, buffer size: %zu" +tpm_emulator_get_tpm_established_flag(uint8_t flag) "got established flag: %d" +tpm_emulator_cancel_cmd_not_supt(void) "Backend does not support CANCEL_TPM_CMD" +tpm_emulator_handle_device_opts_tpm12(void) "TPM Version 1.2" +tpm_emulator_handle_device_opts_tpm2(void) "TPM Version 2" +tpm_emulator_handle_device_opts_unspec(void) "TPM Version Unspecified" +tpm_emulator_handle_device_opts_startup_error(void) "Startup error" +tpm_emulator_get_state_blob(uint8_t type, uint32_t size, uint32_t flags) "got state blob type %d, %u bytes, flags 0x%08x" +tpm_emulator_set_state_blob(uint8_t type, uint32_t size, uint32_t flags) "set state blob type %d, %u bytes, flags 0x%08x" +tpm_emulator_set_state_blobs(void) "setting state blobs" +tpm_emulator_set_state_blobs_error(const char *msg) "error while setting state blobs: %s" +tpm_emulator_set_state_blobs_done(void) "Done setting state blobs" +tpm_emulator_pre_save(void) "" +tpm_emulator_inst_init(void) "" diff --git a/hw/tpm/Kconfig b/hw/tpm/Kconfig index 5028fd8880..29e82f3c92 100644 --- a/hw/tpm/Kconfig +++ b/hw/tpm/Kconfig @@ -1,7 +1,3 @@ -config TPM_BACKEND - bool - depends on TPM - config TPM_TIS_ISA bool depends on TPM && ISA_BUS @@ -22,17 +18,6 @@ config TPM_CRB depends on TPM && PC select TPM_BACKEND -config TPM_PASSTHROUGH - bool - default y - # FIXME: should check for x86 host as well - depends on TPM_BACKEND && LINUX - -config TPM_EMULATOR - bool - default y - depends on TPM_BACKEND - config TPM_SPAPR bool default y diff --git a/hw/tpm/Makefile.objs b/hw/tpm/Makefile.objs index f1ec4beb95..6fc05be67c 100644 --- a/hw/tpm/Makefile.objs +++ b/hw/tpm/Makefile.objs @@ -1,9 +1,6 @@ -common-obj-$(CONFIG_TPM) += tpm_util.o obj-$(call lor,$(CONFIG_TPM_TIS),$(CONFIG_TPM_CRB)) += tpm_ppi.o common-obj-$(CONFIG_TPM_TIS_ISA) += tpm_tis_isa.o common-obj-$(CONFIG_TPM_TIS_SYSBUS) += tpm_tis_sysbus.o common-obj-$(CONFIG_TPM_TIS) += tpm_tis_common.o common-obj-$(CONFIG_TPM_CRB) += tpm_crb.o -common-obj-$(CONFIG_TPM_PASSTHROUGH) += tpm_passthrough.o -common-obj-$(CONFIG_TPM_EMULATOR) += tpm_emulator.o obj-$(CONFIG_TPM_SPAPR) += tpm_spapr.o diff --git a/hw/tpm/trace-events b/hw/tpm/trace-events index 439e514787..de9bf1e01b 100644 --- a/hw/tpm/trace-events +++ b/hw/tpm/trace-events @@ -4,38 +4,6 @@ tpm_crb_mmio_read(uint64_t addr, unsigned size, uint32_t val) "CRB read 0x%016" PRIx64 " len:%u val: 0x%" PRIx32 tpm_crb_mmio_write(uint64_t addr, unsigned size, uint32_t val) "CRB write 0x%016" PRIx64 " len:%u val: 0x%" PRIx32 -# tpm_passthrough.c -tpm_passthrough_handle_request(void *cmd) "processing command %p" -tpm_passthrough_reset(void) "reset" - -# tpm_util.c -tpm_util_get_buffer_size_hdr_len(uint32_t len, size_t expected) "tpm_resp->hdr.len = %u, expected = %zu" -tpm_util_get_buffer_size_len(uint32_t len, size_t expected) "tpm_resp->len = %u, expected = %zu" -tpm_util_get_buffer_size_hdr_len2(uint32_t len, size_t expected) "tpm2_resp->hdr.len = %u, expected = %zu" -tpm_util_get_buffer_size_len2(uint32_t len, size_t expected) "tpm2_resp->len = %u, expected = %zu" -tpm_util_get_buffer_size(size_t len) "buffersize of device: %zu" -tpm_util_show_buffer(const char *direction, size_t len, const char *buf) "direction: %s len: %zu\n%s" - -# tpm_emulator.c -tpm_emulator_set_locality(uint8_t locty) "setting locality to %d" -tpm_emulator_handle_request(void) "processing TPM command" -tpm_emulator_probe_caps(uint64_t caps) "capabilities: 0x%"PRIx64 -tpm_emulator_set_buffer_size(uint32_t buffersize, uint32_t minsize, uint32_t maxsize) "buffer size: %u, min: %u, max: %u" -tpm_emulator_startup_tpm_resume(bool is_resume, size_t buffersize) "is_resume: %d, buffer size: %zu" -tpm_emulator_get_tpm_established_flag(uint8_t flag) "got established flag: %d" -tpm_emulator_cancel_cmd_not_supt(void) "Backend does not support CANCEL_TPM_CMD" -tpm_emulator_handle_device_opts_tpm12(void) "TPM Version 1.2" -tpm_emulator_handle_device_opts_tpm2(void) "TPM Version 2" -tpm_emulator_handle_device_opts_unspec(void) "TPM Version Unspecified" -tpm_emulator_handle_device_opts_startup_error(void) "Startup error" -tpm_emulator_get_state_blob(uint8_t type, uint32_t size, uint32_t flags) "got state blob type %d, %u bytes, flags 0x%08x" -tpm_emulator_set_state_blob(uint8_t type, uint32_t size, uint32_t flags) "set state blob type %d, %u bytes, flags 0x%08x" -tpm_emulator_set_state_blobs(void) "setting state blobs" -tpm_emulator_set_state_blobs_error(const char *msg) "error while setting state blobs: %s" -tpm_emulator_set_state_blobs_done(void) "Done setting state blobs" -tpm_emulator_pre_save(void) "" -tpm_emulator_inst_init(void) "" - # tpm_tis.c tpm_tis_raise_irq(uint32_t irqmask) "Raising IRQ for flag 0x%08x" tpm_tis_new_active_locality(uint8_t locty) "Active locality is now %d" @@ -56,7 +24,7 @@ tpm_tis_pre_save(uint8_t locty, uint32_t rw_offset) "locty: %d, rw_offset = %u" # tpm_ppi.c tpm_ppi_memset(uint8_t *ptr, size_t size) "memset: %p %zu" -# hw/tpm/tpm_spapr.c +# tpm_spapr.c tpm_spapr_show_buffer(const char *direction, size_t len, const char *buf) "direction: %s len: %zu\n%s" tpm_spapr_do_crq(uint8_t raw1, uint8_t raw2) "1st 2 bytes in CRQ: 0x%02x 0x%02x" tpm_spapr_do_crq_crq_result(void) "SPAPR_VTPM_INIT_CRQ_RESULT" -- 2.21.3