diff options
| -rw-r--r-- | drivers/scsi/hpsa.c | 22 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.h | 8 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 99 |
3 files changed, 129 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 9fdcb189b024..e55e787f5092 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6134,6 +6134,28 @@ static void __exit hpsa_cleanup(void) static void __attribute__((unused)) verify_offsets(void) { #define VERIFY_OFFSET(member, offset) \ + BUILD_BUG_ON(offsetof(struct io_accel2_cmd, member) != offset) + + VERIFY_OFFSET(IU_type, 0); + VERIFY_OFFSET(direction, 1); + VERIFY_OFFSET(reply_queue, 2); + /* VERIFY_OFFSET(reserved1, 3); */ + VERIFY_OFFSET(scsi_nexus, 4); + VERIFY_OFFSET(Tag, 8); + VERIFY_OFFSET(cdb, 16); + VERIFY_OFFSET(cciss_lun, 32); + VERIFY_OFFSET(data_len, 40); + VERIFY_OFFSET(cmd_priority_task_attr, 44); + VERIFY_OFFSET(sg_count, 45); + /* VERIFY_OFFSET(reserved3 */ + VERIFY_OFFSET(err_ptr, 48); + VERIFY_OFFSET(err_len, 56); + /* VERIFY_OFFSET(reserved4 */ + VERIFY_OFFSET(sg, 64); + +#undef VERIFY_OFFSET + +#define VERIFY_OFFSET(member, offset) \ BUILD_BUG_ON(offsetof(struct io_accel1_cmd, member) != offset) VERIFY_OFFSET(dev_handle, 0x00); diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index df2f88df10be..74eb22af4506 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -258,6 +258,14 @@ struct ctlr_info { #define HPSA_INTR_ON 1 #define HPSA_INTR_OFF 0 + +/* + * Inbound Post Queue offsets for IO Accelerator Mode 2 + */ +#define IOACCEL2_INBOUND_POSTQ_32 0x48 +#define IOACCEL2_INBOUND_POSTQ_64_LOW 0xd0 +#define IOACCEL2_INBOUND_POSTQ_64_HI 0xd4 + /* Send the command to the hardware */ diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 21f8a616e997..9e00988817f3 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -332,6 +332,7 @@ struct ErrorInfo { #define CMD_IOCTL_PEND 0x01 #define CMD_SCSI 0x03 #define CMD_IOACCEL1 0x04 +#define CMD_IOACCEL2 0x05 #define DIRECT_LOOKUP_SHIFT 5 #define DIRECT_LOOKUP_BIT 0x10 @@ -384,6 +385,7 @@ struct CommandList { /* Max S/G elements in I/O accelerator command */ #define IOACCEL1_MAXSGENTRIES 24 +#define IOACCEL2_MAXSGENTRIES 28 /* * Structure for I/O accelerator (mode 1) commands. @@ -444,6 +446,103 @@ struct io_accel1_cmd { #define IOACCEL1_BUSADDR_CMDTYPE 0x00000060 +struct ioaccel2_sg_element { + u64 address; + u32 length; + u8 reserved[3]; + u8 chain_indicator; +#define IOACCEL2_CHAIN 0x80 +}; + +/* + * SCSI Response Format structure for IO Accelerator Mode 2 + */ +struct io_accel2_scsi_response { + u8 IU_type; +#define IOACCEL2_IU_TYPE_SRF 0x60 + u8 reserved1[3]; + u8 req_id[4]; /* request identifier */ + u8 reserved2[4]; + u8 serv_response; /* service response */ +#define IOACCEL2_SERV_RESPONSE_COMPLETE 0x000 +#define IOACCEL2_SERV_RESPONSE_FAILURE 0x001 +#define IOACCEL2_SERV_RESPONSE_TMF_COMPLETE 0x002 +#define IOACCEL2_SERV_RESPONSE_TMF_SUCCESS 0x003 +#define IOACCEL2_SERV_RESPONSE_TMF_REJECTED 0x004 +#define IOACCEL2_SERV_RESPONSE_TMF_WRONG_LUN 0x005 + u8 status; /* status */ +#define IOACCEL2_STATUS_SR_TASK_COMP_GOOD 0x00 +#define IOACCEL2_STATUS_SR_TASK_COMP_CHK_COND 0x02 +#define IOACCEL2_STATUS_SR_TASK_COMP_BUSY 0x08 +#define IOACCEL2_STATUS_SR_TASK_COMP_RES_CON 0x18 +#define IOACCEL2_STATUS_SR_TASK_COMP_SET_FULL 0x28 +#define IOACCEL2_STATUS_SR_TASK_COMP_ABORTED 0x40 + u8 data_present; /* low 2 bits */ +#define IOACCEL2_NO_DATAPRESENT 0x000 +#define IOACCEL2_RESPONSE_DATAPRESENT 0x001 +#define IOACCEL2_SENSE_DATA_PRESENT 0x002 +#define IOACCEL2_RESERVED 0x003 + u8 sense_data_len; /* sense/response data length */ + u8 resid_cnt[4]; /* residual count */ + u8 sense_data_buff[32]; /* sense/response data buffer */ +}; + +#define IOACCEL2_64_PAD 76 +#define IOACCEL2_32_PAD 76 +#define IOACCEL2_PAD (IS_32_BIT * IOACCEL2_32_PAD + \ + IS_64_BIT * IOACCEL2_64_PAD) +/* + * Structure for I/O accelerator (mode 2 or m2) commands. + * Note that this structure must be 128-byte aligned in size. + */ +struct io_accel2_cmd { + u8 IU_type; /* IU Type */ + u8 direction; /* Transfer direction, 2 bits */ + u8 reply_queue; /* Reply Queue ID */ + u8 reserved1; /* Reserved */ + u32 scsi_nexus; /* Device Handle */ + struct vals32 Tag; /* cciss tag */ + u8 cdb[16]; /* SCSI Command Descriptor Block */ + u8 cciss_lun[8]; /* 8 byte SCSI address */ + u32 data_len; /* Total bytes to transfer */ + u8 cmd_priority_task_attr; /* priority and task attrs */ +#define IOACCEL2_PRIORITY_MASK 0x78 +#define IOACCEL2_ATTR_MASK 0x07 + u8 sg_count; /* Number of sg elements */ + u8 reserved3[2]; /* Reserved */ + u64 err_ptr; /* Error Pointer */ + u32 err_len; /* Error Length*/ + u8 reserved4[4]; /* Reserved */ + struct ioaccel2_sg_element sg[IOACCEL2_MAXSGENTRIES]; + struct io_accel2_scsi_response error_data; + u8 pad[IOACCEL2_PAD]; +}; + +/* + * defines for Mode 2 command struct + * FIXME: this can't be all I need mfm + */ +#define IOACCEL2_IU_TYPE 0x40 +#define IU_TYPE_TMF 0x41 +#define IOACCEL2_DIR_NO_DATA 0x00 +#define IOACCEL2_DIR_DATA_IN 0x01 +#define IOACCEL2_DIR_DATA_OUT 0x02 +/* + * SCSI Task Management Request format for Accelerator Mode 2 + */ +struct hpsa_tmf_struct { + u8 iu_type; /* Information Unit Type */ + u8 reply_queue; /* Reply Queue ID */ + u8 tmf; /* Task Management Function */ + u8 reserved1; /* byte 3 Reserved */ + u32 it_nexus; /* SCSI I-T Nexus */ + u8 lun_id[8]; /* LUN ID for TMF request */ + struct vals32 Tag; /* cciss tag associated w/ request */ + struct vals32 abort_tag;/* cciss tag of SCSI cmd or task to abort */ + u64 error_ptr; /* Error Pointer */ + u32 error_len; /* Error Length */ +}; + /* Configuration Table Structure */ struct HostWrite { u32 TransportRequest; |