soc/intel/(apl,skl,cnl,common): Move mkhi_hdr structure definition to common

Removed mkhi_hdr structure definition from multiple SOCs, and moved to common.

TEST=Built code for Hatch, apollolake boards.

Change-Id: Ifeba0ed4d98975049179d1b47fb22c06a927dc29
Signed-off-by: Sridhar Siricilla <sridhar.siricilla@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35545
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/apollolake/cse.c

@@ -52,17 +52,6 @@ static enum fuse_flash_state {
 
 #define FPF_STATUS_FMAP				"FPF_STATUS"
 
-union mkhi_header {
-	uint32_t data;
-	struct {
-		uint32_t group_id: 8;
-		uint32_t command: 7;
-		uint32_t is_response: 1;
-		uint32_t reserved: 8;
-		uint32_t result: 8;
-	} __packed fields;
-};
-
 /*
  * Read file from CSE internal filesystem.
  * size is maximum length of provided buffer buff, which is updated with actual
@@ -76,7 +65,7 @@ static int read_cse_file(const char *path, void *buff, size_t *size,
 	size_t reply_size;
 
 	struct mca_command {
-		union mkhi_header mkhi_hdr;
+		struct mkhi_hdr hdr;
 		char file_name[MCA_MAX_FILE_PATH_SIZE];
 		uint32_t offset;
 		uint32_t data_size;
@@ -84,7 +73,7 @@ static int read_cse_file(const char *path, void *buff, size_t *size,
 	} __packed msg;
 
 	struct mca_response {
-		union mkhi_header mkhi_hdr;
+		struct mkhi_hdr hdr;
 		uint32_t data_size;
 		uint8_t buffer[128];
 	} __packed rmsg;
@@ -99,8 +88,8 @@ static int read_cse_file(const char *path, void *buff, size_t *size,
 		return 0;
 	}
 	strncpy(msg.file_name, path, sizeof(msg.file_name));
-	msg.mkhi_hdr.fields.group_id = MKHI_GROUP_ID_MCA;
-	msg.mkhi_hdr.fields.command = READ_FILE;
+	msg.hdr.group_id = MKHI_GROUP_ID_MCA;
+	msg.hdr.command = READ_FILE;
 	msg.flags = flags;
 	msg.data_size = *size;
 	msg.offset = offset;
@@ -195,11 +184,7 @@ static void dump_cse_version(void *unused)
 {
 	int res;
 	size_t reply_size;
-
-	struct fw_version_cmd {
-		union mkhi_header mkhi_hdr;
-	} __packed msg;
-
+	struct mkhi_hdr msg;
 	struct version {
 		uint16_t minor;
 		uint16_t major;
@@ -208,7 +193,7 @@ static void dump_cse_version(void *unused)
 	} __packed;
 
 	struct fw_version_response {
-		union mkhi_header mkhi_hdr;
+		struct mkhi_hdr hdr;
 		struct version code;
 		struct version nftp;
 		struct version fitc;
@@ -221,8 +206,8 @@ static void dump_cse_version(void *unused)
 	if (!CONFIG(CONSOLE_SERIAL))
 		return;
 
-	msg.mkhi_hdr.fields.group_id = MKHI_GROUP_ID_GEN;
-	msg.mkhi_hdr.fields.command = GET_FW_VERSION;
+	msg.group_id = MKHI_GROUP_ID_GEN;
+	msg.command = GET_FW_VERSION;
 
 	res = heci_send(&msg, sizeof(msg), BIOS_HOST_ADDR, HECI_MKHI_ADDR);
 
@@ -239,7 +224,7 @@ static void dump_cse_version(void *unused)
 		return;
 	}
 
-	if (rsp.mkhi_hdr.fields.result != 0) {
+	if (rsp.hdr.result != 0) {
 		printk(BIOS_ERR, "Failed to get ME version.\n");
 		return;
 	}

src/soc/intel/cannonlake/me.c

@@ -128,14 +128,6 @@ union hfsts6 {
  */
 static void print_me_version(void *unused)
 {
-	struct mkhi_hdr {
-		uint8_t group_id;
-		uint8_t command	:7;
-		uint8_t is_resp	:1;
-		uint8_t rsvd;
-		uint8_t result;
-	} __packed;
-
 	struct version {
 		uint16_t minor;
 		uint16_t major;

src/soc/intel/common/block/cse/cse.c

@@ -90,14 +90,6 @@ static struct cse_device {
 	uintptr_t sec_bar;
 } g_cse;
 
-/* HECI Message Header */
-struct mkhi_hdr {
-	uint8_t group_id;
-	uint8_t command:7;
-	uint8_t is_resp:1;
-	uint8_t rsvd;
-	uint8_t result;
-} __packed;
 /*
  * Initialize the device with provided temporary BAR. If BAR is 0 use a
  * default. This is intended for pre-mem usage only where BARs haven't been

src/soc/intel/common/block/include/intelblocks/cse.h

@@ -53,6 +53,15 @@ union me_hfsts1 {
 	} __packed fields;
 };
 
+/* HECI Message Header */
+struct mkhi_hdr {
+	uint8_t group_id;
+	uint8_t command:7;
+	uint8_t is_resp:1;
+	uint8_t rsvd;
+	uint8_t result;
+} __packed;
+
 /* set up device for use in early boot enviroument with temp bar */
 void heci_init(uintptr_t bar);
 /*

src/soc/intel/skylake/me.c

@@ -200,14 +200,6 @@ static const char *const me_progress_bup_values[] = {
 
 static void print_me_version(void *unused)
 {
-	struct mkhi_hdr {
-		uint8_t group_id;
-		uint8_t command:7;
-		uint8_t is_resp:1;
-		uint8_t rsvd;
-		uint8_t result;
-	} __packed;
-
 	struct version {
 		uint16_t minor;
 		uint16_t major;