#include <asm/types.h>
#include <strings.h>
-/* The IMSM OROM Version Table definition */
+/* The IMSM Capability (IMSM AHCI and ISCU OROM/EFI variable) Version Table definition */
struct imsm_orom {
__u8 signature[4];
__u8 table_ver_major; /* Currently 2 (can change with future revs) */
#define IMSM_OROM_SSS_32MB (1 << 14)
#define IMSM_OROM_SSS_64MB (1 << 15)
__u16 dpa; /* Disks Per Array supported */
+ #define IMSM_OROM_DISKS_PER_ARRAY 6
__u16 tds; /* Total Disks Supported */
+ #define IMSM_OROM_TOTAL_DISKS 6
__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
/* Attributes supported. This should map to the
* attributes in the MPB. Also, lower 16 bits
* should match/duplicate RLC bits above.
#define IMSM_OROM_ATTR_2TB (1 << 29)
#define IMSM_OROM_ATTR_PM (1 << 30)
#define IMSM_OROM_ATTR_ChecksumVerify (1 << 31)
- __u32 reserved1;
- __u32 reserved2;
+ __u32 capabilities;
+ #define IMSM_OROM_CAPABILITIES_Ext_SATA (1 << 0)
+ #define IMSM_OROM_CAPABILITIES_TurboMemory (1 << 1)
+ #define IMSM_OROM_CAPABILITIES_HddPassword (1 << 2)
+ #define IMSM_OROM_CAPABILITIES_DiskCoercion (1 << 3)
+ __u32 driver_features;
+ #define IMSM_OROM_CAPABILITIES_HDDUnlock (1 << 0)
+ #define IMSM_OROM_CAPABILITIES_LEDLoc (1 << 1)
+ #define IMSM_OROM_CAPABILITIES_EnterpriseSystem (1 << 2)
+ #define IMSM_OROM_CAPABILITIES_Zpodd (1 << 3)
+ #define IMSM_OROM_CAPABILITIES_LargeDramCache (1 << 4)
+ #define IMSM_OROM_CAPABILITIES_Rohi (1 << 5)
+ #define IMSM_OROM_CAPABILITIES_ReadPatrol (1 << 6)
+ #define IMSM_OROM_CAPABILITIES_XorHw (1 << 7)
} __attribute__((packed));
static inline int imsm_orom_has_raid0(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
+ * The funciton is borrowed from Linux kernel code
+ * include/asm-generic/bitops/fls.h
+ */
+static inline int fls(int x)
+{
+ int r = 32;
+
+ if (!x)
+ return 0;
+ if (!(x & 0xffff0000u)) {
+ x <<= 16;
+ r -= 16;
+ }
+ if (!(x & 0xff000000u)) {
+ x <<= 8;
+ r -= 8;
+ }
+ if (!(x & 0xf0000000u)) {
+ x <<= 4;
+ r -= 4;
+ }
+ if (!(x & 0xc0000000u)) {
+ x <<= 2;
+ r -= 2;
+ }
+ if (!(x & 0x80000000u)) {
+ x <<= 1;
+ r -= 1;
+ }
+ return r;
+}
+
+enum sys_dev_type {
+ SYS_DEV_UNKNOWN = 0,
+ SYS_DEV_SAS,
+ SYS_DEV_SATA,
+ SYS_DEV_MAX
+};
+
struct sys_dev {
+ enum sys_dev_type type;
char *path;
+ char *pci_id;
+ __u16 dev_id;
struct sys_dev *next;
};
+struct efi_guid {
+ __u8 b[16];
+};
+
+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",
+ 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],
+ guid.b[12], guid.b[13], guid.b[14], guid.b[15]);
+ return buf;
+}
+
+char *diskfd_to_devpath(int fd);
struct sys_dev *find_driver_devices(const char *bus, const char *driver);
-__u16 devpath_to_vendor(const char *dev_path);
+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_orom(void);
int disk_attached_to_hba(int fd, 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);
+