diff options
Diffstat (limited to 'drivers/scsi/hpsa_cmd.h')
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 35 |
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 3e0abdf76689..78de9b6d1e0b 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -23,7 +23,8 @@ /* general boundary defintions */ #define SENSEINFOBYTES 32 /* may vary between hbas */ -#define MAXSGENTRIES 31 +#define MAXSGENTRIES 32 +#define HPSA_SG_CHAIN 0x80000000 #define MAXREPLYQS 256 /* Command Status value */ @@ -151,21 +152,6 @@ struct SenseSubsystem_info { u8 reserved1[1108]; }; -#define HPSA_READ_CAPACITY 0x25 /* Read Capacity */ -struct ReadCapdata { - u8 total_size[4]; /* Total size in blocks */ - u8 block_size[4]; /* Size of blocks in bytes */ -}; - -#if 0 -/* 12 byte commands not implemented in firmware yet. */ -#define HPSA_READ 0xa8 -#define HPSA_WRITE 0xaa -#endif - -#define HPSA_READ 0x28 /* Read(10) */ -#define HPSA_WRITE 0x2a /* Write(10) */ - /* BMIC commands */ #define BMIC_READ 0x26 #define BMIC_WRITE 0x27 @@ -305,20 +291,23 @@ struct CommandList { int cmd_type; long cmdindex; struct hlist_node list; - struct CommandList *prev; - struct CommandList *next; struct request *rq; struct completion *waiting; - int retry_count; void *scsi_cmd; /* on 64 bit architectures, to get this to be 32-byte-aligned - * it so happens we need no padding, on 32 bit systems, - * we need 8 bytes of padding. This does that. + * it so happens we need PAD_64 bytes of padding, on 32 bit systems, + * we need PAD_32 bytes of padding (see below). This does that. + * If it happens that 64 bit and 32 bit systems need different + * padding, PAD_32 and PAD_64 can be set independently, and. + * the code below will do the right thing. */ -#define COMMANDLIST_PAD ((8 - sizeof(long))/4 * 8) +#define IS_32_BIT ((8 - sizeof(long))/4) +#define IS_64_BIT (!IS_32_BIT) +#define PAD_32 (4) +#define PAD_64 (4) +#define COMMANDLIST_PAD (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64) u8 pad[COMMANDLIST_PAD]; - }; /* Configuration Table Structure */ |