x86/sev: Shorten struct name snp_secrets_page_layout to snp_secrets_page

Ending a struct name with "layout" is a little redundant, so shorten the
snp_secrets_page_layout name to just snp_secrets_page.

No functional change.

  [ bp: Rename the local pointer to "secrets" too for more clarity. ]

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/bc8d58302c6ab66c3beeab50cce3ec2c6bd72d6c.1713974291.git.thomas.lendacky@amd.com

Author: tlendacky

arch/x86/include/asm/sev.h

@@ -140,7 +140,7 @@ struct secrets_os_area {
 #define VMPCK_KEY_LEN		32
 
 /* See the SNP spec version 0.9 for secrets page format */
-struct snp_secrets_page_layout {
+struct snp_secrets_page {
 	u32 version;
 	u32 imien	: 1,
 	    rsvd1	: 31;

arch/x86/kernel/sev.c

@@ -648,7 +648,7 @@ static u64 __init get_secrets_page(void)
 
 static u64 __init get_snp_jump_table_addr(void)
 {
-	struct snp_secrets_page_layout *layout;
+	struct snp_secrets_page *secrets;
 	void __iomem *mem;
 	u64 pa, addr;
 
@@ -662,9 +662,9 @@ static u64 __init get_snp_jump_table_addr(void)
 		return 0;
 	}
 
-	layout = (__force struct snp_secrets_page_layout *)mem;
+	secrets = (__force struct snp_secrets_page *)mem;
 
-	addr = layout->os_area.ap_jump_table_pa;
+	addr = secrets->os_area.ap_jump_table_pa;
 	iounmap(mem);
 
 	return addr;

drivers/virt/coco/sev-guest/sev-guest.c

@@ -59,7 +59,7 @@ struct snp_guest_dev {
 	 */
 	struct snp_guest_msg secret_request, secret_response;
 
-	struct snp_secrets_page_layout *layout;
+	struct snp_secrets_page *secrets;
 	struct snp_req_data input;
 	union {
 		struct snp_report_req report;
@@ -743,26 +743,26 @@ static const struct file_operations snp_guest_fops = {
 	.unlocked_ioctl = snp_guest_ioctl,
 };
 
-static u8 *get_vmpck(int id, struct snp_secrets_page_layout *layout, u32 **seqno)
+static u8 *get_vmpck(int id, struct snp_secrets_page *secrets, u32 **seqno)
 {
 	u8 *key = NULL;
 
 	switch (id) {
 	case 0:
-		*seqno = &layout->os_area.msg_seqno_0;
-		key = layout->vmpck0;
+		*seqno = &secrets->os_area.msg_seqno_0;
+		key = secrets->vmpck0;
 		break;
 	case 1:
-		*seqno = &layout->os_area.msg_seqno_1;
-		key = layout->vmpck1;
+		*seqno = &secrets->os_area.msg_seqno_1;
+		key = secrets->vmpck1;
 		break;
 	case 2:
-		*seqno = &layout->os_area.msg_seqno_2;
-		key = layout->vmpck2;
+		*seqno = &secrets->os_area.msg_seqno_2;
+		key = secrets->vmpck2;
 		break;
 	case 3:
-		*seqno = &layout->os_area.msg_seqno_3;
-		key = layout->vmpck3;
+		*seqno = &secrets->os_area.msg_seqno_3;
+		key = secrets->vmpck3;
 		break;
 	default:
 		break;
@@ -897,8 +897,8 @@ static void unregister_sev_tsm(void *data)
 
 static int __init sev_guest_probe(struct platform_device *pdev)
 {
-	struct snp_secrets_page_layout *layout;
 	struct sev_guest_platform_data *data;
+	struct snp_secrets_page *secrets;
 	struct device *dev = &pdev->dev;
 	struct snp_guest_dev *snp_dev;
 	struct miscdevice *misc;
@@ -916,15 +916,15 @@ static int __init sev_guest_probe(struct platform_device *pdev)
 	if (!mapping)
 		return -ENODEV;
 
-	layout = (__force void *)mapping;
+	secrets = (__force void *)mapping;
 
 	ret = -ENOMEM;
 	snp_dev = devm_kzalloc(&pdev->dev, sizeof(struct snp_guest_dev), GFP_KERNEL);
 	if (!snp_dev)
 		goto e_unmap;
 
 	ret = -EINVAL;
-	snp_dev->vmpck = get_vmpck(vmpck_id, layout, &snp_dev->os_area_msg_seqno);
+	snp_dev->vmpck = get_vmpck(vmpck_id, secrets, &snp_dev->os_area_msg_seqno);
 	if (!snp_dev->vmpck) {
 		dev_err(dev, "invalid vmpck id %d\n", vmpck_id);
 		goto e_unmap;
@@ -938,7 +938,7 @@ static int __init sev_guest_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, snp_dev);
 	snp_dev->dev = dev;
-	snp_dev->layout = layout;
+	snp_dev->secrets = secrets;
 
 	/* Allocate the shared page used for the request and response message. */
 	snp_dev->request = alloc_shared_pages(dev, sizeof(struct snp_guest_msg));