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IMSM: Add support for Non-Intel NVMe drives under VMD 

This patch adds checking if platform (preOS) supports
non-Intel NVMe drives under VMD domain,
and - if so - allow creating IMSM Raid Volume
with those drives.

Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
This commit is contained in:
Pawel Baldysiak 2016-12-12 11:28:44 +01:00 committed by Jes Sorensen
parent f71d2b8f4b
commit 32716c51d9
2 changed files with 16 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
platform-intel.h
View File

@ -99,6 +99,8 @@ struct imsm_orom {
#define IMSM_OROM_CAPABILITIES_Rohi (1 << 5)
#define IMSM_OROM_CAPABILITIES_ReadPatrol (1 << 6)
#define IMSM_OROM_CAPABILITIES_XorHw (1 << 7)
#define IMSM_OROM_CAPABILITIES_SKUMode ((1 << 8)|(1 << 9))
#define IMSM_OROM_CAPABILITIES_TPV (1 << 10)
} __attribute__((packed));
static inline int imsm_orom_has_raid0(const struct imsm_orom *orom)
@ -184,6 +186,11 @@ static inline int imsm_orom_is_nvme(const struct imsm_orom *orom)
sizeof(orom->signature)) == 0;
}
static inline int imsm_orom_has_tpv_support(const struct imsm_orom *orom)
{
return !!(orom->driver_features & IMSM_OROM_CAPABILITIES_TPV);
}
enum sys_dev_type {
SYS_DEV_UNKNOWN = 0,
SYS_DEV_SAS,

12
super-intel.c
View File

@ -2199,9 +2199,6 @@ static int print_vmd_attached_devs(struct sys_dev *hba)
continue;
sprintf(path, "/sys/bus/pci/drivers/nvme/%s", ent->d_name);
/* if not a intel NVMe - skip it*/
if (devpath_to_vendor(path) != 0x8086)
continue;
rp = realpath(path, NULL);
if (!rp)
@ -2416,6 +2413,8 @@ static int detail_platform_imsm(int verbose, int enumerate_only, char *controlle
for (entry = orom_entries; entry; entry = entry->next) {
if (entry->type == SYS_DEV_VMD) {
print_imsm_capability(&entry->orom);
printf(" 3rd party NVMe :%s supported\n",
imsm_orom_has_tpv_support(&entry->orom)?"":" not");
for (hba = list; hba; hba = hba->next) {
if (hba->type == SYS_DEV_VMD) {
char buf[PATH_MAX];
@ -5609,6 +5608,13 @@ static int add_to_super_imsm(struct supertype *st, mdu_disk_info_t *dk,
"\tRAID 0 is the only supported configuration for this type of x8 device.\n");
break;
}
} else if (super->hba->type == SYS_DEV_VMD && super->orom &&
!imsm_orom_has_tpv_support(super->orom)) {
pr_err("\tPlatform configuration does not support non-Intel NVMe drives.\n"
"\tPlease refer to Intel(R) RSTe user guide.\n");
free(dd->devname);
free(dd);
return 1;
}
}