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-rw-r--r--include/hw/acpi/tpm.h51
-rw-r--r--include/sysemu/tpm.h5
-rw-r--r--include/sysemu/tpm_backend.h15
3 files changed, 67 insertions, 4 deletions
diff --git a/include/hw/acpi/tpm.h b/include/hw/acpi/tpm.h
index 6d516c6a7f..96fd3a92f7 100644
--- a/include/hw/acpi/tpm.h
+++ b/include/hw/acpi/tpm.h
@@ -16,11 +16,61 @@
#ifndef HW_ACPI_TPM_H
#define HW_ACPI_TPM_H
+#include "hw/registerfields.h"
+
#define TPM_TIS_ADDR_BASE 0xFED40000
#define TPM_TIS_ADDR_SIZE 0x5000
#define TPM_TIS_IRQ 5
+REG32(CRB_LOC_STATE, 0x00)
+ FIELD(CRB_LOC_STATE, tpmEstablished, 0, 1)
+ FIELD(CRB_LOC_STATE, locAssigned, 1, 1)
+ FIELD(CRB_LOC_STATE, activeLocality, 2, 3)
+ FIELD(CRB_LOC_STATE, reserved, 5, 2)
+ FIELD(CRB_LOC_STATE, tpmRegValidSts, 7, 1)
+REG32(CRB_LOC_CTRL, 0x08)
+REG32(CRB_LOC_STS, 0x0C)
+ FIELD(CRB_LOC_STS, Granted, 0, 1)
+ FIELD(CRB_LOC_STS, beenSeized, 1, 1)
+REG32(CRB_INTF_ID, 0x30)
+ FIELD(CRB_INTF_ID, InterfaceType, 0, 4)
+ FIELD(CRB_INTF_ID, InterfaceVersion, 4, 4)
+ FIELD(CRB_INTF_ID, CapLocality, 8, 1)
+ FIELD(CRB_INTF_ID, CapCRBIdleBypass, 9, 1)
+ FIELD(CRB_INTF_ID, Reserved1, 10, 1)
+ FIELD(CRB_INTF_ID, CapDataXferSizeSupport, 11, 2)
+ FIELD(CRB_INTF_ID, CapFIFO, 13, 1)
+ FIELD(CRB_INTF_ID, CapCRB, 14, 1)
+ FIELD(CRB_INTF_ID, CapIFRes, 15, 2)
+ FIELD(CRB_INTF_ID, InterfaceSelector, 17, 2)
+ FIELD(CRB_INTF_ID, IntfSelLock, 19, 1)
+ FIELD(CRB_INTF_ID, Reserved2, 20, 4)
+ FIELD(CRB_INTF_ID, RID, 24, 8)
+REG32(CRB_INTF_ID2, 0x34)
+ FIELD(CRB_INTF_ID2, VID, 0, 16)
+ FIELD(CRB_INTF_ID2, DID, 16, 16)
+REG32(CRB_CTRL_EXT, 0x38)
+REG32(CRB_CTRL_REQ, 0x40)
+REG32(CRB_CTRL_STS, 0x44)
+ FIELD(CRB_CTRL_STS, tpmSts, 0, 1)
+ FIELD(CRB_CTRL_STS, tpmIdle, 1, 1)
+REG32(CRB_CTRL_CANCEL, 0x48)
+REG32(CRB_CTRL_START, 0x4C)
+REG32(CRB_INT_ENABLED, 0x50)
+REG32(CRB_INT_STS, 0x54)
+REG32(CRB_CTRL_CMD_SIZE, 0x58)
+REG32(CRB_CTRL_CMD_LADDR, 0x5C)
+REG32(CRB_CTRL_CMD_HADDR, 0x60)
+REG32(CRB_CTRL_RSP_SIZE, 0x64)
+REG32(CRB_CTRL_RSP_ADDR, 0x68)
+REG32(CRB_DATA_BUFFER, 0x80)
+
+#define TPM_CRB_ADDR_BASE 0xFED40000
+#define TPM_CRB_ADDR_SIZE 0x1000
+#define TPM_CRB_ADDR_CTRL (TPM_CRB_ADDR_BASE + A_CRB_CTRL_REQ)
+#define TPM_CRB_R_MAX R_CRB_DATA_BUFFER
+
#define TPM_LOG_AREA_MINIMUM_SIZE (64 * 1024)
#define TPM_TCPA_ACPI_CLASS_CLIENT 0
@@ -30,5 +80,6 @@
#define TPM2_ACPI_CLASS_SERVER 1
#define TPM2_START_METHOD_MMIO 6
+#define TPM2_START_METHOD_CRB 7
#endif /* HW_ACPI_TPM_H */
diff --git a/include/sysemu/tpm.h b/include/sysemu/tpm.h
index 852e02687c..233b1a3fc3 100644
--- a/include/sysemu/tpm.h
+++ b/include/sysemu/tpm.h
@@ -41,14 +41,17 @@ 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;
#define TYPE_TPM_TIS "tpm-tis"
+#define TYPE_TPM_CRB "tpm-crb"
#define TPM_IS_TIS(chr) \
object_dynamic_cast(OBJECT(chr), TYPE_TPM_TIS)
+#define TPM_IS_CRB(chr) \
+ object_dynamic_cast(OBJECT(chr), TYPE_TPM_CRB)
/* returns NULL unless there is exactly one TPM device */
static inline TPMIf *tpm_find(void)
diff --git a/include/sysemu/tpm_backend.h b/include/sysemu/tpm_backend.h
index 0d6c994a62..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) \
@@ -45,9 +46,8 @@ struct TPMBackend {
/*< protected >*/
TPMIf *tpmif;
bool opened;
- GThreadPool *thread_pool;
bool had_startup_error;
- QEMUBH *bh;
+ TPMBackendCmd *cmd;
/* <public> */
char *id;
@@ -85,7 +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);
};
/**
@@ -197,6 +197,15 @@ TPMVersion tpm_backend_get_tpm_version(TPMBackend *s);
size_t tpm_backend_get_buffer_size(TPMBackend *s);
/**
+ * tpm_backend_finish_sync:
+ * @s: the backend to call into
+ *
+ * Finish the pending command synchronously (this will call aio_poll()
+ * on qemu main AIOContext until it ends)
+ */
+void tpm_backend_finish_sync(TPMBackend *s);
+
+/**
* tpm_backend_query_tpm:
* @s: the backend
*