IMSM: Enable spanning between VMD domains
Each VMD domain adds additional PCI domain. This patch enables RAID creation with NVMe drives from different VMD domains. Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
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@ -567,10 +567,6 @@ static int attach_hba_to_super(struct intel_super *super, struct sys_dev *device
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if (device->type != hba->type)
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return 2;
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/* Always forbid spanning between VMD domains (seen as different controllers by mdadm) */
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if (device->type == SYS_DEV_VMD && !path_attached_to_hba(device->path, hba->path))
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return 2;
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/* Multiple same type HBAs can be used if they share the same OROM */
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const struct imsm_orom *device_orom = get_orom_by_device_id(device->dev_id);
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@ -2023,10 +2019,10 @@ static int detail_platform_imsm(int verbose, int enumerate_only, char *controlle
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for (entry = orom_entries; entry; entry = entry->next) {
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if (entry->type == SYS_DEV_VMD) {
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print_imsm_capability(&entry->orom);
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for (hba = list; hba; hba = hba->next) {
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if (hba->type == SYS_DEV_VMD) {
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char buf[PATH_MAX];
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print_imsm_capability(&entry->orom);
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printf(" I/O Controller : %s (%s)\n",
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vmd_domain_to_controller(hba, buf), get_sys_dev_type(hba->type));
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if (print_vmd_attached_devs(hba)) {
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@ -2034,9 +2030,9 @@ static int detail_platform_imsm(int verbose, int enumerate_only, char *controlle
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pr_err("failed to get devices attached to VMD domain.\n");
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result |= 2;
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}
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}
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}
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printf("\n");
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}
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}
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continue;
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}
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@ -6037,14 +6033,6 @@ count_volumes(struct intel_hba *hba, int dpa, int verbose)
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else
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return 0;
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/* VMD has one orom entry for all domain, but spanning is not allowed.
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* VMD arrays should be counted per domain (controller), so skip
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* domains that are not the given one.
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*/
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if (hba->type == SYS_DEV_VMD &&
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(strncmp(device->path, hba->path, strlen(device->path)) != 0))
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continue;
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devlist = get_devices(hba_path);
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/* if no intel devices return zero volumes */
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if (devlist == NULL)
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@ -9306,8 +9294,7 @@ int validate_container_imsm(struct mdinfo *info)
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return 1;
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}
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if (orom != orom2 ||
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(hba->type == SYS_DEV_VMD && hba != hba2)) {
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if (orom != orom2) {
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pr_err("WARNING - IMSM container assembled with disks under different HBAs!\n"
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" This operation is not supported and can lead to data loss.\n");
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return 1;
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