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mdadm
0003-imsm-add-support-for-NVMe-devices.patch
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File 0003-imsm-add-support-for-NVMe-devices.patch of Package mdadm
Commit: 614902f64e856b4cffc26687fac74412c4a6d91c From: Pawel Baldysiak <pawel.baldysiak@intel.com> Date: Wed, 19 Nov 2014 13:53:28 +0100 Subject: [PATCH 3/5] imsm: add support for NVMe devices References: FATE#318193 Recognize Intel(R) NVMe devices as IMSM-capable. Signed-off-by: Pawel Baldysiak <pawel.baldysiak@intel.com> Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@intel.com> Signed-off-by: NeilBrown <neilb@suse.de> --- platform-intel.c | 46 ++++++++++++++++++++++++++++++++++++++++++++-- platform-intel.h | 5 +++++ super-intel.c | 11 +++++++---- 3 files changed, 56 insertions(+), 6 deletions(-) --- a/platform-intel.c +++ b/platform-intel.c @@ -65,6 +65,8 @@ struct sys_dev *find_driver_devices(cons type = SYS_DEV_SAS; else if (strcmp(driver, "ahci") == 0) type = SYS_DEV_SATA; + else if (strcmp(driver, "nvme") == 0) + type = SYS_DEV_NVME; else type = SYS_DEV_UNKNOWN; @@ -174,7 +176,7 @@ static __u16 devpath_to_vendor(const cha struct sys_dev *find_intel_devices(void) { - struct sys_dev *ahci, *isci; + struct sys_dev *ahci, *isci, *nvme; if (valid_time > time(0) - 10) return intel_devices; @@ -184,14 +186,24 @@ struct sys_dev *find_intel_devices(void) isci = find_driver_devices("pci", "isci"); ahci = find_driver_devices("pci", "ahci"); + nvme = find_driver_devices("pci", "nvme"); - if (!ahci) { + if (!isci && !ahci) { + ahci = nvme; + } else if (!ahci) { ahci = isci; + struct sys_dev *elem = ahci; + while (elem->next) + elem = elem->next; + elem->next = nvme; } else { struct sys_dev *elem = ahci; while (elem->next) elem = elem->next; elem->next = isci; + while (elem->next) + elem = elem->next; + elem->next = nvme; } intel_devices = ahci; valid_time = time(0); @@ -497,6 +509,33 @@ const struct imsm_orom *find_imsm_efi(st return ret; } +const struct imsm_orom *find_imsm_nvme(struct sys_dev *hba) +{ + static const struct imsm_orom *nvme_orom; + + if (hba->type != SYS_DEV_NVME) + return NULL; + + if (!nvme_orom) { + struct imsm_orom nvme_orom_compat = { + .signature = IMSM_NVME_OROM_COMPAT_SIGNATURE, + .rlc = IMSM_OROM_RLC_RAID0 | IMSM_OROM_RLC_RAID1 | + IMSM_OROM_RLC_RAID10 | IMSM_OROM_RLC_RAID5, + .sss = IMSM_OROM_SSS_4kB | IMSM_OROM_SSS_8kB | + IMSM_OROM_SSS_16kB | IMSM_OROM_SSS_32kB | + IMSM_OROM_SSS_64kB | IMSM_OROM_SSS_128kB, + .dpa = IMSM_OROM_DISKS_PER_ARRAY_NVME, + .tds = IMSM_OROM_TOTAL_DISKS_NVME, + .vpa = IMSM_OROM_VOLUMES_PER_ARRAY, + .vphba = IMSM_OROM_TOTAL_DISKS_NVME / 2 * IMSM_OROM_VOLUMES_PER_ARRAY, + .attr = IMSM_OROM_ATTR_2TB | IMSM_OROM_ATTR_2TB_DISK, + }; + nvme_orom = add_orom(&nvme_orom_compat); + } + add_orom_device_id(nvme_orom, hba->dev_id); + return nvme_orom; +} + const struct imsm_orom *find_imsm_capability(struct sys_dev *hba) { const struct imsm_orom *cap = get_orom_by_device_id(hba->dev_id); @@ -504,10 +543,13 @@ const struct imsm_orom *find_imsm_capabi if (cap) return cap; + if (hba->type == SYS_DEV_NVME) + return find_imsm_nvme(hba); if ((cap = find_imsm_efi(hba)) != NULL) return cap; if ((cap = find_imsm_hba_orom(hba)) != NULL) return cap; + return NULL; } --- a/platform-intel.h +++ b/platform-intel.h @@ -23,6 +23,7 @@ struct imsm_orom { __u8 signature[4]; #define IMSM_OROM_SIGNATURE "$VER" + #define IMSM_NVME_OROM_COMPAT_SIGNATURE "$NVM" __u8 table_ver_major; /* Currently 2 (can change with future revs) */ __u8 table_ver_minor; /* Currently 2 (can change with future revs) */ __u16 major_ver; /* Example: 8 as in 8.6.0.1020 */ @@ -60,12 +61,15 @@ struct imsm_orom { #define IMSM_OROM_SSS_64MB (1 << 15) __u16 dpa; /* Disks Per Array supported */ #define IMSM_OROM_DISKS_PER_ARRAY 6 + #define IMSM_OROM_DISKS_PER_ARRAY_NVME 12 __u16 tds; /* Total Disks Supported */ #define IMSM_OROM_TOTAL_DISKS 6 + #define IMSM_OROM_TOTAL_DISKS_NVME 12 __u8 vpa; /* # Volumes Per Array supported */ #define IMSM_OROM_VOLUMES_PER_ARRAY 2 __u8 vphba; /* # Volumes Per Host Bus Adapter supported */ #define IMSM_OROM_VOLUMES_PER_HBA 4 + #define IMSM_OROM_VOLUMES_PER_HBA_NVME 4 /* Attributes supported. This should map to the * attributes in the MPB. Also, lower 16 bits * should match/duplicate RLC bits above. @@ -173,6 +177,7 @@ enum sys_dev_type { SYS_DEV_UNKNOWN = 0, SYS_DEV_SAS, SYS_DEV_SATA, + SYS_DEV_NVME, SYS_DEV_MAX }; --- a/super-intel.c +++ b/super-intel.c @@ -509,7 +509,8 @@ struct imsm_update_add_remove_disk { static const char *_sys_dev_type[] = { [SYS_DEV_UNKNOWN] = "Unknown", [SYS_DEV_SAS] = "SAS", - [SYS_DEV_SATA] = "SATA" + [SYS_DEV_SATA] = "SATA", + [SYS_DEV_NVME] = "NVMe" }; const char *get_sys_dev_type(enum sys_dev_type type) @@ -559,7 +560,7 @@ static int attach_hba_to_super(struct in hba = super->hba; /* Intel metadata allows for all disks attached to the same type HBA. - * Do not sypport odf HBA types mixing + * Do not support HBA types mixing */ if (device->type != hba->type) return 2; @@ -3841,9 +3842,9 @@ static int find_intel_hba_capability(int " but the container is assigned to Intel(R) " "%s RAID controller (", devname, - hba_name->path, + get_sys_dev_type(hba_name->type), hba_name->pci_id ? : "Err!", - get_sys_dev_type(hba_name->type)); + get_sys_dev_type(super->hba->type)); while (hba) { fprintf(stderr, "%s", hba->pci_id ? : "Err!"); @@ -3860,6 +3861,7 @@ static int find_intel_hba_capability(int super->orom = find_imsm_capability(hba_name); if (!super->orom) return 3; + return 0; } @@ -5916,6 +5918,7 @@ validate_geometry_imsm_orom(struct intel pr_vrb(": platform does not support a volume size over 2TB\n"); return 0; } + return 1; }
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