From ea7a02a3294aae223e1329aed5da7f4aa3ac05c5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Old=C5=99ich=20Jedli=C4=8Dka?= <oldium.pro@gmail.com>
Date: Wed, 31 Aug 2022 19:57:29 +0200
Subject: [PATCH 57/63] mdadm: added support for Intel Alderlake RST on VMD
 platform
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Alderlake RST on VMD uses RstVmdV UEFI variable name, so detect it.

Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
Reviewed-by: Kinga Tanska <kinga.tanska@linux.intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
 platform-intel.c | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/platform-intel.c b/platform-intel.c
index 5a8729e7..757f0b1b 100644
--- a/platform-intel.c
+++ b/platform-intel.c
@@ -512,7 +512,8 @@ static const struct imsm_orom *find_imsm_hba_orom(struct sys_dev *hba)
 #define AHCI_PROP "RstSataV"
 #define AHCI_SSATA_PROP "RstsSatV"
 #define AHCI_TSATA_PROP "RsttSatV"
-#define VMD_PROP "RstUefiV"
+#define VROC_VMD_PROP "RstUefiV"
+#define RST_VMD_PROP "RstVmdV"
 
 #define VENDOR_GUID \
 	EFI_GUID(0x193dfefa, 0xa445, 0x4302, 0x99, 0xd8, 0xef, 0x3a, 0xad, 0x1a, 0x04, 0xc6)
@@ -605,6 +606,7 @@ const struct imsm_orom *find_imsm_efi(struct sys_dev *hba)
 	struct orom_entry *ret;
 	static const char * const sata_efivars[] = {AHCI_PROP, AHCI_SSATA_PROP,
 						    AHCI_TSATA_PROP};
+	static const char * const vmd_efivars[] = {VROC_VMD_PROP, RST_VMD_PROP};
 	unsigned long i;
 
 	if (check_env("IMSM_TEST_AHCI_EFI") || check_env("IMSM_TEST_SCU_EFI"))
@@ -636,10 +638,16 @@ const struct imsm_orom *find_imsm_efi(struct sys_dev *hba)
 
 		break;
 	case SYS_DEV_VMD:
-		if (!read_efi_variable(&orom, sizeof(orom), VMD_PROP,
-				       VENDOR_GUID))
-			break;
-		return NULL;
+		for (i = 0; i < ARRAY_SIZE(vmd_efivars); i++) {
+			if (!read_efi_variable(&orom, sizeof(orom),
+						vmd_efivars[i], VENDOR_GUID))
+				break;
+		}
+
+		if (i == ARRAY_SIZE(vmd_efivars))
+			return NULL;
+
+		break;
 	default:
 		return NULL;
 	}
-- 
2.38.1