imsm: add support for NVMe devices

[thirdparty/mdadm.git] / platform-intel.h

diff --git a/platform-intel.h b/platform-intel.h
index bcd84b7b28a29c02f08b9e020f32523e29610e51..6b4ebd817dde54dc59aa1b5ed3dff48aae5096e8 100644 (file)
--- a/platform-intel.h
+++ b/platform-intel.h
@@ -22,6 +22,8 @@
 /* The IMSM Capability (IMSM AHCI and ISCU OROM/EFI variable) Version Table definition */
 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 */
@@ -59,12 +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.
@@ -172,6 +177,7 @@ enum sys_dev_type {
        SYS_DEV_UNKNOWN = 0,
        SYS_DEV_SAS,
        SYS_DEV_SATA,
+       SYS_DEV_NVME,
        SYS_DEV_MAX
 };
 
@@ -180,6 +186,7 @@ struct sys_dev {
        char *path;
        char *pci_id;
        __u16  dev_id;
+       __u32  class;
        struct sys_dev *next;
 };
 
@@ -201,9 +208,11 @@ static inline char *guid_str(char *buf, struct efi_guid guid)
 char *diskfd_to_devpath(int fd);
 struct sys_dev *find_driver_devices(const char *bus, const char *driver);
 struct sys_dev *find_intel_devices(void);
-const struct imsm_orom *find_imsm_capability(enum sys_dev_type hba_id);
+const struct imsm_orom *find_imsm_capability(struct sys_dev *hba);
 const struct imsm_orom *find_imsm_orom(void);
 int disk_attached_to_hba(int fd, const char *hba_path);
+int devt_attached_to_hba(dev_t dev, const char *hba_path);
 char *devt_to_devpath(dev_t dev);
 int path_attached_to_hba(const char *disk_path, const char *hba_path);
 const char *get_sys_dev_type(enum sys_dev_type);
+const struct imsm_orom *get_orom_by_device_id(__u16 device_id);