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mdadm/SOURCES/0057-mdadm-added-support-fo...

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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 57/83] mdadm: added support for Intel Alderlake RST on VMD
platform
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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