advansys.c

GNU Mach 微内核源代码, 基于美国卡内基美隆大学的 Mach 研究项目

#define M1_ABORT_TAG            0x0D
#define M1_CLR_QUEUE            0x0E
#define M1_INIT_RECOVERY        0x0F
#define M1_RELEASE_RECOVERY     0x10
#define M1_KILL_IO_PROC         0x11
#define M2_QTAG_MSG_SIMPLE      0x20
#define M2_QTAG_MSG_HEAD        0x21
#define M2_QTAG_MSG_ORDERED     0x22
#define M2_IGNORE_WIDE_RESIDUE  0x23

typedef struct {
    uchar               peri_dvc_type:5;
    uchar               peri_qualifier:3;
} ASC_SCSI_INQ0;

typedef struct {
    uchar               dvc_type_modifier:7;
    uchar               rmb:1;
} ASC_SCSI_INQ1;

typedef struct {
    uchar               ansi_apr_ver:3;
    uchar               ecma_ver:3;
    uchar               iso_ver:2;
} ASC_SCSI_INQ2;

typedef struct {
    uchar               rsp_data_fmt:4;
    uchar               res:2;
    uchar               TemIOP:1;
    uchar               aenc:1;
} ASC_SCSI_INQ3;

typedef struct {
    uchar               StfRe:1;
    uchar               CmdQue:1;
    uchar               Reserved:1;
    uchar               Linked:1;
    uchar               Sync:1;
    uchar               WBus16:1;
    uchar               WBus32:1;
    uchar               RelAdr:1;
} ASC_SCSI_INQ7;

typedef struct {
    ASC_SCSI_INQ0       byte0;
    ASC_SCSI_INQ1       byte1;
    ASC_SCSI_INQ2       byte2;
    ASC_SCSI_INQ3       byte3;
    uchar               add_len;
    uchar               res1;
    uchar               res2;
    ASC_SCSI_INQ7       byte7;
    uchar               vendor_id[8];
    uchar               product_id[16];
    uchar               product_rev_level[4];
} ASC_SCSI_INQUIRY;

typedef struct asc_req_sense {
    uchar               err_code:7;
    uchar               info_valid:1;
    uchar               segment_no;
    uchar               sense_key:4;
    uchar               reserved_bit:1;
    uchar               sense_ILI:1;
    uchar               sense_EOM:1;
    uchar               file_mark:1;
    uchar               info1[4];
    uchar               add_sense_len;
    uchar               cmd_sp_info[4];
    uchar               asc;
    uchar               ascq;
    uchar               fruc;
    uchar               sks_byte0:7;
    uchar               sks_valid:1;
    uchar               sks_bytes[2];
    uchar               notused[2];
    uchar               ex_sense_code;
    uchar               info2[4];
} ASC_REQ_SENSE;

#define ASC_SG_LIST_PER_Q   7
#define QS_FREE        0x00
#define QS_READY       0x01
#define QS_DISC1       0x02
#define QS_DISC2       0x04
#define QS_BUSY        0x08
#define QS_ABORTED     0x40
#define QS_DONE        0x80
#define QC_NO_CALLBACK   0x01
#define QC_SG_SWAP_QUEUE 0x02
#define QC_SG_HEAD       0x04
#define QC_DATA_IN       0x08
#define QC_DATA_OUT      0x10
#define QC_URGENT        0x20
#define QC_MSG_OUT       0x40
#define QC_REQ_SENSE     0x80
#define QCSG_SG_XFER_LIST  0x02
#define QCSG_SG_XFER_MORE  0x04
#define QCSG_SG_XFER_END   0x08
#define QD_IN_PROGRESS       0x00
#define QD_NO_ERROR          0x01
#define QD_ABORTED_BY_HOST   0x02
#define QD_WITH_ERROR        0x04
#define QD_INVALID_REQUEST   0x80
#define QD_INVALID_HOST_NUM  0x81
#define QD_INVALID_DEVICE    0x82
#define QD_ERR_INTERNAL      0xFF
#define QHSTA_NO_ERROR               0x00
#define QHSTA_M_SEL_TIMEOUT          0x11
#define QHSTA_M_DATA_OVER_RUN        0x12
#define QHSTA_M_DATA_UNDER_RUN       0x12
#define QHSTA_M_UNEXPECTED_BUS_FREE  0x13
#define QHSTA_M_BAD_BUS_PHASE_SEQ    0x14
#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21
#define QHSTA_D_ASC_DVC_ERROR_CODE_SET  0x22
#define QHSTA_D_HOST_ABORT_FAILED       0x23
#define QHSTA_D_EXE_SCSI_Q_FAILED       0x24
#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25
#define QHSTA_D_ASPI_NO_BUF_POOL        0x26
#define QHSTA_M_WTM_TIMEOUT         0x41
#define QHSTA_M_BAD_CMPL_STATUS_IN  0x42
#define QHSTA_M_NO_AUTO_REQ_SENSE   0x43
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
#define QHSTA_M_TARGET_STATUS_BUSY  0x45
#define QHSTA_M_BAD_TAG_CODE        0x46
#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY  0x47
#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48
#define QHSTA_D_LRAM_CMP_ERROR        0x81
#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1
#define ASC_FLAG_SCSIQ_REQ        0x01
#define ASC_FLAG_BIOS_SCSIQ_REQ   0x02
#define ASC_FLAG_BIOS_ASYNC_IO    0x04
#define ASC_FLAG_SRB_LINEAR_ADDR  0x08
#define ASC_FLAG_WIN16            0x10
#define ASC_FLAG_WIN32            0x20
#define ASC_FLAG_ISA_OVER_16MB    0x40
#define ASC_FLAG_DOS_VM_CALLBACK  0x80
#define ASC_TAG_FLAG_EXTRA_BYTES               0x10
#define ASC_TAG_FLAG_DISABLE_DISCONNECT        0x04
#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX  0x08
#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40
#define ASC_SCSIQ_CPY_BEG              4
#define ASC_SCSIQ_SGHD_CPY_BEG         2
#define ASC_SCSIQ_B_FWD                0
#define ASC_SCSIQ_B_BWD                1
#define ASC_SCSIQ_B_STATUS             2
#define ASC_SCSIQ_B_QNO                3
#define ASC_SCSIQ_B_CNTL               4
#define ASC_SCSIQ_B_SG_QUEUE_CNT       5
#define ASC_SCSIQ_D_DATA_ADDR          8
#define ASC_SCSIQ_D_DATA_CNT          12
#define ASC_SCSIQ_B_SENSE_LEN         20
#define ASC_SCSIQ_DONE_INFO_BEG       22
#define ASC_SCSIQ_D_SRBPTR            22
#define ASC_SCSIQ_B_TARGET_IX         26
#define ASC_SCSIQ_B_CDB_LEN           28
#define ASC_SCSIQ_B_TAG_CODE          29
#define ASC_SCSIQ_W_VM_ID             30
#define ASC_SCSIQ_DONE_STATUS         32
#define ASC_SCSIQ_HOST_STATUS         33
#define ASC_SCSIQ_SCSI_STATUS         34
#define ASC_SCSIQ_CDB_BEG             36
#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56
#define ASC_SCSIQ_DW_REMAIN_XFER_CNT  60
#define ASC_SCSIQ_B_SG_WK_QP          49
#define ASC_SCSIQ_B_SG_WK_IX          50
#define ASC_SCSIQ_W_REQ_COUNT         52
#define ASC_SCSIQ_B_LIST_CNT          6
#define ASC_SCSIQ_B_CUR_LIST_CNT      7
#define ASC_SGQ_B_SG_CNTL             4
#define ASC_SGQ_B_SG_HEAD_QP          5
#define ASC_SGQ_B_SG_LIST_CNT         6
#define ASC_SGQ_B_SG_CUR_LIST_CNT     7
#define ASC_SGQ_LIST_BEG              8
#define ASC_DEF_SCSI1_QNG    4
#define ASC_MAX_SCSI1_QNG    4
#define ASC_DEF_SCSI2_QNG    16
#define ASC_MAX_SCSI2_QNG    32
#define ASC_TAG_CODE_MASK    0x23
#define ASC_STOP_REQ_RISC_STOP      0x01
#define ASC_STOP_ACK_RISC_STOP      0x03
#define ASC_STOP_CLEAN_UP_BUSY_Q    0x10
#define ASC_STOP_CLEAN_UP_DISC_Q    0x20
#define ASC_STOP_HOST_REQ_RISC_HALT 0x40
#define ASC_TIDLUN_TO_IX(tid, lun)  (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS))
#define ASC_TID_TO_TARGET_ID(tid)   (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid))
#define ASC_TIX_TO_TARGET_ID(tix)   (0x01 << ((tix) & ASC_MAX_TID))
#define ASC_TIX_TO_TID(tix)         ((tix) & ASC_MAX_TID)
#define ASC_TID_TO_TIX(tid)         ((tid) & ASC_MAX_TID)
#define ASC_TIX_TO_LUN(tix)         (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN)
#define ASC_QNO_TO_QADDR(q_no)      ((ASC_QADR_BEG)+((int)(q_no) << 6))

typedef struct asc_scisq_1 {
    uchar               status;
    uchar               q_no;
    uchar               cntl;
    uchar               sg_queue_cnt;
    uchar               target_id;
    uchar               target_lun;
    ulong               data_addr;
    ulong               data_cnt;
    ulong               sense_addr;
    uchar               sense_len;
    uchar               extra_bytes;
} ASC_SCSIQ_1;

typedef struct asc_scisq_2 {
    ulong               srb_ptr;
    uchar               target_ix;
    uchar               flag;
    uchar               cdb_len;
    uchar               tag_code;
    ushort              vm_id;
} ASC_SCSIQ_2;

typedef struct asc_scsiq_3 {
    uchar               done_stat;
    uchar               host_stat;
    uchar               scsi_stat;
    uchar               scsi_msg;
} ASC_SCSIQ_3;

typedef struct asc_scsiq_4 {
    uchar               cdb[ASC_MAX_CDB_LEN];
    uchar               y_first_sg_list_qp;
    uchar               y_working_sg_qp;
    uchar               y_working_sg_ix;
    uchar               y_res;
    ushort              x_req_count;
    ushort              x_reconnect_rtn;
    ulong               x_saved_data_addr;
    ulong               x_saved_data_cnt;
} ASC_SCSIQ_4;

typedef struct asc_q_done_info {
    ASC_SCSIQ_2         d2;
    ASC_SCSIQ_3         d3;
    uchar               q_status;
    uchar               q_no;
    uchar               cntl;
    uchar               sense_len;
    uchar               extra_bytes;
    uchar               res;
    ulong               remain_bytes;
} ASC_QDONE_INFO;

typedef struct asc_sg_list {
    ulong               addr;
    ulong               bytes;
} ASC_SG_LIST;

typedef struct asc_sg_head {
    ushort              entry_cnt;
    ushort              queue_cnt;
    ushort              entry_to_copy;
    ushort              res;
    ASC_SG_LIST         sg_list[ASC_MAX_SG_LIST];
} ASC_SG_HEAD;

#define ASC_MIN_SG_LIST   2

typedef struct asc_min_sg_head {
    ushort              entry_cnt;
    ushort              queue_cnt;
    ushort              entry_to_copy;
    ushort              res;
    ASC_SG_LIST         sg_list[ASC_MIN_SG_LIST];
} ASC_MIN_SG_HEAD;

#define QCX_SORT        (0x0001)
#define QCX_COALEASE    (0x0002)

typedef struct asc_scsi_q {
    ASC_SCSIQ_1         q1;
    ASC_SCSIQ_2         q2;
    uchar               *cdbptr;
    ASC_SG_HEAD         *sg_head;
} ASC_SCSI_Q;

typedef struct asc_scsi_req_q {
    ASC_SCSIQ_1         r1;
    ASC_SCSIQ_2         r2;
    uchar       *cdbptr;
    ASC_SG_HEAD *sg_head;
    uchar               *sense_ptr;
    ASC_SCSIQ_3         r3;
    uchar               cdb[ASC_MAX_CDB_LEN];
    uchar               sense[ASC_MIN_SENSE_LEN];
} ASC_SCSI_REQ_Q;

typedef struct asc_scsi_bios_req_q {
    ASC_SCSIQ_1         r1;
    ASC_SCSIQ_2         r2;
    uchar               *cdbptr;
    ASC_SG_HEAD         *sg_head;
    uchar               *sense_ptr;
    ASC_SCSIQ_3         r3;
    uchar               cdb[ASC_MAX_CDB_LEN];
    uchar               sense[ASC_MIN_SENSE_LEN];
} ASC_SCSI_BIOS_REQ_Q;

typedef struct asc_risc_q {
    uchar               fwd;
    uchar               bwd;
    ASC_SCSIQ_1         i1;
    ASC_SCSIQ_2         i2;
    ASC_SCSIQ_3         i3;
    ASC_SCSIQ_4         i4;
} ASC_RISC_Q;

typedef struct asc_sg_list_q {
    uchar               seq_no;
    uchar               q_no;
    uchar               cntl;
    uchar               sg_head_qp;
    uchar               sg_list_cnt;
    uchar               sg_cur_list_cnt;
} ASC_SG_LIST_Q;

typedef struct asc_risc_sg_list_q {
    uchar               fwd;
    uchar               bwd;
    ASC_SG_LIST_Q       sg;
    ASC_SG_LIST         sg_list[7];
} ASC_RISC_SG_LIST_Q;

#define ASC_EXE_SCSI_IO_MAX_IDLE_LOOP  0x1000000UL
#define ASC_EXE_SCSI_IO_MAX_WAIT_LOOP  1024
#define ASCQ_ERR_NO_ERROR             0
#define ASCQ_ERR_IO_NOT_FOUND         1
#define ASCQ_ERR_LOCAL_MEM            2
#define ASCQ_ERR_CHKSUM               3
#define ASCQ_ERR_START_CHIP           4
#define ASCQ_ERR_INT_TARGET_ID        5
#define ASCQ_ERR_INT_LOCAL_MEM        6
#define ASCQ_ERR_HALT_RISC            7
#define ASCQ_ERR_GET_ASPI_ENTRY       8
#define ASCQ_ERR_CLOSE_ASPI           9
#define ASCQ_ERR_HOST_INQUIRY         0x0A
#define ASCQ_ERR_SAVED_SRB_BAD        0x0B
#define ASCQ_ERR_QCNTL_SG_LIST        0x0C
#define ASCQ_ERR_Q_STATUS             0x0D
#define ASCQ_ERR_WR_SCSIQ             0x0E