efi_loader: type of efi_secure_mode

[oweals/u-boot.git] / include / tpm-common.h

diff --git a/include/tpm-common.h b/include/tpm-common.h
index 3d88b44db7afaa6b463bf81a873496f6e584689f..e29b10b1766e1cc14c977f7f298def14f354981a 100644 (file)
--- a/include/tpm-common.h
+++ b/include/tpm-common.h
@@ -7,6 +7,8 @@
 #ifndef __TPM_COMMON_H
 #define __TPM_COMMON_H
 
+#include <command.h>
+
 enum tpm_duration {
        TPM_SHORT = 0,
        TPM_MEDIUM = 1,
@@ -173,8 +175,8 @@ struct tpm_ops {
        U_BOOT_CMD_MKENT(cmd, 0, 1, do_tpm_ ## cmd, "", "")
 
 #define TPM_COMMAND_NO_ARG(cmd)                                \
-int do_##cmd(cmd_tbl_t *cmdtp, int flag,               \
-            int argc, char * const argv[])             \
+int do_##cmd(struct cmd_tbl *cmdtp, int flag,          \
+            int argc, char *const argv[])              \
 {                                                      \
        struct udevice *dev;                            \
        int rc;                                         \
@@ -209,6 +211,14 @@ int tpm_open(struct udevice *dev);
  */
 int tpm_close(struct udevice *dev);
 
+/**
+ * tpm_clear_and_reenable() - Force clear the TPM and reenable it
+ *
+ * @dev: TPM device
+ * @return 0 on success, -ve on failure
+ */
+u32 tpm_clear_and_reenable(struct udevice *dev);
+
 /**
  * tpm_get_desc() - Get a text description of the TPM
  *
@@ -255,23 +265,37 @@ int tpm_init(struct udevice *dev);
 /**
  * Retrieve the array containing all the v1 (resp. v2) commands.
  *
- * @return a cmd_tbl_t array.
+ * @return a struct cmd_tbl array.
  */
 #if defined(CONFIG_TPM_V1)
-cmd_tbl_t *get_tpm1_commands(unsigned int *size);
+struct cmd_tbl *get_tpm1_commands(unsigned int *size);
 #else
-static inline cmd_tbl_t *get_tpm1_commands(unsigned int *size)
+static inline struct cmd_tbl *get_tpm1_commands(unsigned int *size)
 {
        return NULL;
 }
 #endif
 #if defined(CONFIG_TPM_V2)
-cmd_tbl_t *get_tpm2_commands(unsigned int *size);
+struct cmd_tbl *get_tpm2_commands(unsigned int *size);
 #else
-static inline cmd_tbl_t *get_tpm2_commands(unsigned int *size)
+static inline struct cmd_tbl *get_tpm2_commands(unsigned int *size)
 {
        return NULL;
 }
 #endif
 
+/**
+ * tpm_get_version() - Find the version of a TPM
+ *
+ * This checks the uclass data for a TPM device and returns the version number
+ * it supports.
+ *
+ * @dev: TPM device
+ * @return version number (TPM_V1 or TPMV2)
+ */
+enum tpm_version tpm_get_version(struct udevice *dev);
+
+/* Iterate on all TPM devices */
+#define for_each_tpm_device(dev) uclass_foreach_dev_probe(UCLASS_TPM, (dev))
+
 #endif /* __TPM_COMMON_H */