mdmon: fix wrong array state when disk fails during mdmon startup

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

diff --git a/platform-intel.h b/platform-intel.h
index e24ae37928b3b422664e41faed530e979de05708..29c85f121cd1e0d643db418188536fe2c2ac9607 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.
@@ -76,6 +81,7 @@ struct imsm_orom {
        #define IMSM_OROM_ATTR_RAID1E IMSM_OROM_RLC_RAID1E
        #define IMSM_OROM_ATTR_RAID5 IMSM_OROM_RLC_RAID5
        #define IMSM_OROM_ATTR_RAID_CNG IMSM_OROM_RLC_RAID_CNG
+       #define IMSM_OROM_ATTR_2TB_DISK (1 << 26)
        #define IMSM_OROM_ATTR_2TB (1 << 29)
        #define IMSM_OROM_ATTR_PM (1 << 30)
        #define IMSM_OROM_ATTR_ChecksumVerify (1 << 31)
@@ -93,6 +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)
@@ -124,14 +132,14 @@ static inline int imsm_orom_has_raid5(const struct imsm_orom *orom)
 static inline int imsm_orom_has_chunk(const struct imsm_orom *orom, int chunk)
 {
        int fs = ffs(chunk);
-
        if (!fs)
                return 0;
        fs--; /* bit num to bit index */
+       if (chunk & (chunk-1))
+               return 0; /* not a power of 2 */
        return !!(orom->sss & (1 << (fs - 1)));
 }
 
-
 /**
  * fls - find last (most-significant) bit set
  * @x: the word to search
@@ -167,34 +175,37 @@ static inline int fls(int x)
        return r;
 }
 
-/**
- * imsm_orom_default_chunk - return the largest chunk size supported via orom
- * @orom: orom pointer from find_imsm_orom
- */
-static inline int imsm_orom_default_chunk(const struct imsm_orom *orom)
+static inline int imsm_orom_is_enterprise(const struct imsm_orom *orom)
 {
-       int fs = fls(orom->sss);
-
-       if (!fs)
-               return 0;
+       return !!(orom->driver_features & IMSM_OROM_CAPABILITIES_EnterpriseSystem);
+}
 
-       return min(512, (1 << fs));
+static inline int imsm_orom_is_nvme(const struct imsm_orom *orom)
+{
+       return memcmp(orom->signature, IMSM_NVME_OROM_COMPAT_SIGNATURE,
+                       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,
        SYS_DEV_SATA,
+       SYS_DEV_NVME,
+       SYS_DEV_VMD,
        SYS_DEV_MAX
 };
 
-
 struct sys_dev {
        enum sys_dev_type type;
        char *path;
        char *pci_id;
        __u16  dev_id;
+       __u32  class;
        struct sys_dev *next;
 };
 
@@ -202,10 +213,23 @@ struct efi_guid {
        __u8 b[16];
 };
 
+struct devid_list {
+       __u16 devid;
+       struct devid_list *next;
+};
+
+struct orom_entry {
+       struct imsm_orom orom;
+       struct devid_list *devid_list;
+       enum sys_dev_type type;
+       struct orom_entry *next;
+};
+
+extern struct orom_entry *orom_entries;
+
 static inline char *guid_str(char *buf, struct efi_guid guid)
 {
-       sprintf(buf, "%02x%02x%02x%02x-%02x%02x-%02x%02x-"
-                    "%02x%02x-%02x%02x%02x%02x%02x%02x",
+       sprintf(buf, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
                 guid.b[3], guid.b[2], guid.b[1], guid.b[0],
                 guid.b[5], guid.b[4], guid.b[7], guid.b[6],
                 guid.b[8], guid.b[9], guid.b[10], guid.b[11],
@@ -214,13 +238,18 @@ static inline char *guid_str(char *buf, struct efi_guid guid)
 }
 
 char *diskfd_to_devpath(int fd);
+__u16 devpath_to_vendor(const char *dev_path);
 struct sys_dev *find_driver_devices(const char *bus, const char *driver);
 struct sys_dev *find_intel_devices(void);
-void free_sys_dev(struct sys_dev **list);
-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 orom_entry *get_orom_entry_by_device_id(__u16 dev_id);
+const struct imsm_orom *get_orom_by_device_id(__u16 device_id);
+struct sys_dev *device_by_id(__u16 device_id);
+struct sys_dev *device_by_id_and_path(__u16 device_id, const char *path);
+char *vmd_domain_to_controller(struct sys_dev *hba, char *buf);