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| -rw-r--r-- | sys/dev/isp/isp_target.h | 619 |
1 files changed, 619 insertions, 0 deletions
diff --git a/sys/dev/isp/isp_target.h b/sys/dev/isp/isp_target.h new file mode 100644 index 000000000000..70eda6903638 --- /dev/null +++ b/sys/dev/isp/isp_target.h @@ -0,0 +1,619 @@ +/* $FreeBSD$ */ +/* + * Qlogic Target Mode Structure and Flag Definitions + * + * Copyright (c) 1997, 1998 + * Patrick Stirling + * pms@psconsult.com + * All rights reserved. + * + * Additional Copyright (c) 1999 + * Matthew Jacob + * mjacob@feral.com + * All rights reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice immediately at the beginning of the file, without modification, + * this list of conditions, and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + */ +#ifndef _ISPTARGET_H +#define _ISPTARGET_H + +/* + * Defines for all entry types + */ +#define QLTM_SVALID 0x80 +#define QLTM_SENSELEN 18 + +/* + * Structure for Enable Lun and Modify Lun queue entries + */ +typedef struct { + isphdr_t le_header; + u_int32_t le_reserved; + u_int8_t le_lun; + u_int8_t le_rsvd; + u_int8_t le_ops; /* Modify LUN only */ + u_int8_t le_tgt; /* Not for FC */ + u_int32_t le_flags; /* Not for FC */ + u_int8_t le_status; + u_int8_t le_reserved2; + u_int8_t le_cmd_count; + u_int8_t le_in_count; + u_int8_t le_cdb6len; /* Not for FC */ + u_int8_t le_cdb7len; /* Not for FC */ + u_int16_t le_timeout; + u_int16_t le_reserved3[20]; +} lun_entry_t; + +/* + * le_flags values + */ +#define LUN_TQAE 0x00000001 /* bit1 Tagged Queue Action Enable */ +#define LUN_DSSM 0x01000000 /* bit24 Disable Sending SDP Message */ +#define LUN_DM 0x40000000 /* bit30 Disconnects Mandatory */ + +/* + * le_ops values + */ +#define LUN_CCINCR 0x01 /* increment command count */ +#define LUN_CCDECR 0x02 /* decrement command count */ +#define LUN_ININCR 0x40 /* increment immed. notify count */ +#define LUN_INDECR 0x80 /* decrement immed. notify count */ + +/* + * le_status values + */ +#define LUN_OK 0x01 /* we be rockin' */ +#define LUN_ERR 0x04 /* request completed with error */ +#define LUN_INVAL 0x06 /* invalid request */ +#define LUN_NOCAP 0x16 /* can't provide requested capability */ +#define LUN_ENABLED 0x3E /* LUN already enabled */ + +/* + * Immediate Notify Entry structure + */ +#define IN_MSGLEN 8 /* 8 bytes */ +#define IN_RSVDLEN 8 /* 8 words */ +typedef struct { + isphdr_t in_header; + u_int32_t in_reserved; + u_int8_t in_lun; /* lun */ + u_int8_t in_iid; /* initiator */ + u_int8_t in_reserved2; + u_int8_t in_tgt; /* target */ + u_int32_t in_flags; + u_int8_t in_status; + u_int8_t in_rsvd2; + u_int8_t in_tag_val; /* tag value */ + u_int8_t in_tag_type; /* tag type */ + u_int16_t in_seqid; /* sequence id */ + u_int8_t in_msg[IN_MSGLEN]; /* SCSI message bytes */ + u_int16_t in_reserved3[IN_RSVDLEN]; + u_int8_t in_sense[QLTM_SENSELEN];/* suggested sense data */ +} in_entry_t; + +typedef struct { + isphdr_t in_header; + u_int32_t in_reserved; + u_int8_t in_lun; /* lun */ + u_int8_t in_iid; /* initiator */ + u_int16_t in_scclun; + u_int32_t in_reserved2; + u_int16_t in_status; + u_int16_t in_task_flags; + u_int16_t in_seqid; /* sequence id */ +} in_fcentry_t; + +/* + * Values for the in_status field + */ +#define IN_RESET 0x0E /* Bus Reset occurred */ +#define IN_NO_RCAP 0x16 /* requested capability not available */ +#define IN_IDE_RECEIVED 0x33 /* Initiator Detected Error msg received */ +#define IN_RSRC_UNAVAIL 0x34 /* resource unavailable */ +#define IN_MSG_RECEIVED 0x36 /* SCSI message received */ +#define IN_ABORT_TASK 0x20 /* task named in RX_ID is being aborted (FC) */ +#define IN_PORT_LOGOUT 0x29 /* port has logged out (FC) */ +#define IN_PORT_CHANGED 0x2A /* port changed */ +#define IN_GLOBAL_LOGO 0x2E /* all ports logged out */ + +/* + * Values for the in_task_flags field- should only get one at a time! + */ +#define TASK_FLAGS_ABORT_TASK (1<<9) +#define TASK_FLAGS_CLEAR_TASK_SET (1<<10) +#define TASK_FLAGS_TARGET_RESET (1<<13) +#define TASK_FLAGS_CLEAR_ACA (1<<14) +#define TASK_FLAGS_TERMINATE_TASK (1<<15) + +#ifndef MSG_ABORT_TAG +#define MSG_ABORT_TAG 0x06 +#endif +#ifndef MSG_CLEAR_QUEUE +#define MSG_CLEAR_QUEUE 0x0e +#endif +#ifndef MSG_BUS_DEV_RESET +#define MSG_BUS_DEV_RESET 0x0b +#endif +#ifndef MSG_REL_RECOVERY +#define MSG_REL_RECOVERY 0x10 +#endif +#ifndef MSG_TERM_IO_PROC +#define MSG_TERM_IO_PROC 0x11 +#endif + + +/* + * Notify Acknowledge Entry structure + */ +#define NA_RSVDLEN 22 +typedef struct { + isphdr_t na_header; + u_int32_t na_reserved; + u_int8_t na_lun; /* lun */ + u_int8_t na_iid; /* initiator */ + u_int8_t na_reserved2; + u_int8_t na_tgt; /* target */ + u_int32_t na_flags; + u_int8_t na_status; + u_int8_t na_event; + u_int16_t na_seqid; /* sequence id */ + u_int16_t na_reserved3[NA_RSVDLEN]; +} na_entry_t; + +/* + * Value for the na_event field + */ +#define NA_RST_CLRD 0x80 /* Clear an async event notification */ + +#define NA2_RSVDLEN 21 +typedef struct { + isphdr_t na_header; + u_int32_t na_reserved; + u_int8_t na_lun; /* lun */ + u_int8_t na_iid; /* initiator */ + u_int16_t na_scclun; + u_int16_t na_flags; + u_int16_t na_reserved2; + u_int16_t na_status; + u_int16_t na_task_flags; + u_int16_t na_seqid; /* sequence id */ + u_int16_t na_reserved3[NA2_RSVDLEN]; +} na_fcentry_t; +#define NAFC_RCOUNT 0x80 /* increment resource count */ +#define NAFC_RST_CLRD 0x20 /* Clear LIP Reset */ +/* + * Accept Target I/O Entry structure + */ +#define ATIO_CDBLEN 26 + +typedef struct { + isphdr_t at_header; + u_int32_t at_reserved; + u_int8_t at_lun; /* lun */ + u_int8_t at_iid; /* initiator */ + u_int8_t at_cdblen; /* cdb length */ + u_int8_t at_tgt; /* target */ + u_int32_t at_flags; + u_int8_t at_status; /* firmware status */ + u_int8_t at_scsi_status; /* scsi status */ + u_int8_t at_tag_val; /* tag value */ + u_int8_t at_tag_type; /* tag type */ + u_int8_t at_cdb[ATIO_CDBLEN]; /* received CDB */ + u_int8_t at_sense[QLTM_SENSELEN];/* suggested sense data */ +} at_entry_t; + +/* + * at_flags values + */ +#define AT_NODISC 0x00008000 /* disconnect disabled */ +#define AT_TQAE 0x00000001 /* Tagged Queue Action enabled */ + +/* + * at_status values + */ +#define AT_PATH_INVALID 0x07 /* ATIO sent to firmware for disabled lun */ +#define AT_RESET 0x0E /* SCSI Bus Reset Occurred */ +#define AT_PHASE_ERROR 0x14 /* Bus phase sequence error */ +#define AT_NOCAP 0x16 /* Requested capability not available */ +#define AT_BDR_MSG 0x17 /* Bus Device Reset msg received */ +#define AT_CDB 0x3D /* CDB received */ + +/* + * Accept Target I/O Entry structure, Type 2 + */ +#define ATIO2_CDBLEN 16 + +typedef struct { + isphdr_t at_header; + u_int32_t at_reserved; + u_int8_t at_lun; /* lun or reserved */ + u_int8_t at_iid; /* initiator */ + u_int16_t at_rxid; /* response ID */ + u_int16_t at_flags; + u_int16_t at_status; /* firmware status */ + u_int8_t at_reserved1; + u_int8_t at_taskcodes; + u_int8_t at_taskflags; + u_int8_t at_execodes; + u_int8_t at_cdb[ATIO2_CDBLEN]; /* received CDB */ + u_int32_t at_datalen; /* allocated data len */ + u_int16_t at_scclun; /* SCC Lun or reserved */ + u_int16_t at_reserved2; + u_int16_t at_scsi_status; + u_int8_t at_sense[QLTM_SENSELEN]; +} at2_entry_t; + +#define ATIO2_TC_ATTR_MASK 0x7 +#define ATIO2_TC_ATTR_SIMPLEQ 0 +#define ATIO2_TC_ATTR_HEADOFQ 1 +#define ATIO2_TC_ATTR_ORDERED 2 +#define ATIO2_TC_ATTR_ACAQ 4 +#define ATIO2_TC_ATTR_UNTAGGED 5 + +/* + * Continue Target I/O Entry structure + * Request from driver. The response from the + * ISP firmware is the same except that the last 18 + * bytes are overwritten by suggested sense data if + * the 'autosense valid' bit is set in the status byte. + */ +typedef struct { + isphdr_t ct_header; + u_int32_t ct_reserved; + u_int8_t ct_lun; /* lun */ + u_int8_t ct_iid; /* initiator id */ + u_int8_t ct_reserved2; + u_int8_t ct_tgt; /* our target id */ + u_int32_t ct_flags; + u_int8_t ct_status; /* isp status */ + u_int8_t ct_scsi_status; /* scsi status */ + u_int8_t ct_tag_val; /* tag value */ + u_int8_t ct_tag_type; /* tag type */ + u_int32_t ct_xfrlen; /* transfer length */ + u_int32_t ct_resid; /* residual length */ + u_int16_t ct_timeout; + u_int16_t ct_seg_count; + ispds_t ct_dataseg[ISP_RQDSEG]; +} ct_entry_t; + +/* + * ct_flags values + */ +#define CT_TQAE 0x00000001 /* bit 1, Tagged Queue Action enable */ +#define CT_DATA_IN 0x00000040 /* bits 6&7, Data direction */ +#define CT_DATA_OUT 0x00000080 /* bits 6&7, Data direction */ +#define CT_NO_DATA 0x000000C0 /* bits 6&7, Data direction */ +#define CT_CCINCR 0x00000100 /* bit 8, autoincrement atio count */ +#define CT_DATAMASK 0x000000C0 /* bits 6&7, Data direction */ +#define CT_NODISC 0x00008000 /* bit 15, Disconnects disabled */ +#define CT_DSDP 0x01000000 /* bit 24, Disable Save Data Pointers */ +#define CT_SENDRDP 0x04000000 /* bit 26, Send Restore Pointers msg */ +#define CT_SENDSTATUS 0x80000000 /* bit 31, Send SCSI status byte */ + +/* + * ct_status values + * - set by the firmware when it returns the CTIO + */ +#define CT_OK 0x01 /* completed without error */ +#define CT_ABORTED 0x02 /* aborted by host */ +#define CT_ERR 0x04 /* see sense data for error */ +#define CT_INVAL 0x06 /* request for disabled lun */ +#define CT_NOPATH 0x07 /* invalid ITL nexus */ +#define CT_INVRXID 0x08 /* (FC only) Invalid RX_ID */ +#define CT_RSELTMO 0x0A /* reselection timeout after 2 tries */ +#define CT_TIMEOUT 0x0B /* timed out */ +#define CT_RESET 0x0E /* SCSI Bus Reset occurred */ +#define CT_PHASE_ERROR 0x14 /* Bus phase sequence error */ +#define CT_BDR_MSG 0x17 /* Bus Device Reset msg received */ +#define CT_TERMINATED 0x19 /* due to Terminate Transfer mbox cmd */ +#define CT_PORTNOTAVAIL 0x28 /* port not available */ +#define CT_LOGOUT 0x29 /* port logout */ +#define CT_PORTCHANGED 0x2A /* port changed */ +#define CT_NOACK 0x35 /* Outstanding Immed. Notify. entry */ + +/* + * When the firmware returns a CTIO entry, it may overwrite the last + * part of the structure with sense data. This starts at offset 0x2E + * into the entry, which is in the middle of ct_dataseg[1]. Rather + * than define a new struct for this, I'm just using the sense data + * offset. + */ +#define CTIO_SENSE_OFFSET 0x2E + +/* + * Entry length in u_longs. All entries are the same size so + * any one will do as the numerator. + */ +#define UINT32_ENTRY_SIZE (sizeof(at_entry_t)/sizeof(u_int32_t)) + +/* + * QLA2100 CTIO (type 2) entry + */ +#define MAXRESPLEN 26 +typedef struct { + isphdr_t ct_header; + u_int32_t ct_reserved; + u_int8_t ct_lun; /* lun */ + u_int8_t ct_iid; /* initiator id */ + u_int16_t ct_rxid; /* response ID */ + u_int16_t ct_flags; + u_int16_t ct_status; /* isp status */ + u_int16_t ct_timeout; + u_int16_t ct_seg_count; + u_int32_t ct_reloff; /* relative offset */ + u_int32_t ct_resid; /* residual length */ + union { + /* + * The three different modes that the target driver + * can set the CTIO2 up as. + * + * The first is for sending FCP_DATA_IUs as well as + * (optionally) sending a terminal SCSI status FCP_RSP_IU. + * + * The second is for sending SCSI sense data in an FCP_RSP_IU. + * Note that no FCP_DATA_IUs will be sent. + * + * The third is for sending FCP_RSP_IUs as built specifically + * in system memory as located by the isp_dataseg. + */ + struct { + u_int32_t _reserved; + u_int16_t _reserved2; + u_int16_t ct_scsi_status; + u_int32_t ct_xfrlen; + ispds_t ct_dataseg[ISP_RQDSEG_T2]; + } m0; + struct { + u_int16_t _reserved; + u_int16_t _reserved2; + u_int16_t ct_senselen; + u_int16_t ct_scsi_status; + u_int16_t ct_resplen; + u_int8_t ct_resp[MAXRESPLEN]; + } m1; + struct { + u_int32_t _reserved; + u_int16_t _reserved2; + u_int16_t _reserved3; + u_int32_t ct_datalen; + ispds_t ct_fcp_rsp_iudata; + } m2; + /* + * CTIO2 returned from F/W... + */ + struct { + u_int32_t _reserved[4]; + u_int16_t ct_scsi_status; + u_int8_t ct_sense[QLTM_SENSELEN]; + } fw; + } rsp; +} ct2_entry_t; + +/* + * ct_flags values for CTIO2 + */ +#define CT2_FLAG_MMASK 0x0003 +#define CT2_FLAG_MODE0 0x0000 +#define CT2_FLAG_MODE1 0x0001 +#define CT2_FLAG_MODE2 0x0002 +#define CT2_DATA_IN CT_DATA_IN +#define CT2_DATA_OUT CT_DATA_OUT +#define CT2_NO_DATA CT_NO_DATA +#define CT2_DATAMASK CT_DATAMASK +#define CT2_CCINCR 0x0100 +#define CT2_FASTPOST 0x0200 +#define CT2_SENDSTATUS 0x8000 + +/* + * ct_status values are (mostly) the same as that for ct_entry. + */ + +/* + * ct_scsi_status values- the low 8 bits are the normal SCSI status + * we know and love. The upper 8 bits are validity markers for FCP_RSP_IU + * fields. + */ +#define CT2_RSPLEN_VALID 0x0100 +#define CT2_SNSLEN_VALID 0x0200 +#define CT2_DATA_OVER 0x0400 +#define CT2_DATA_UNDER 0x0800 + +/* + * Macros for packing/unpacking the above structures + */ + +#ifdef __sparc__ +#define ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb) \ + if (isp->isp_bus == ISP_SBUS) { \ + source -> taga = dest -> tagb; \ + source -> tagb = dest -> taga; \ + } else { \ + source -> taga = dest -> taga; \ + source -> tagb = dest -> taga; \ + } +#else +#define ISP_SBUS_SWOZZLE(isp, src, dest, taga, tagb) \ + source -> taga = dest -> taga; \ + source -> tagb = dest -> taga; +#endif + +/* This is really only for SBus cards on a sparc */ +#ifdef __sparc__ +#define ISP_SWIZ_ATIO(isp, dest, vsrc) \ +{ \ + at_entry_t *source = (at_entry_t *) vsrc; \ + dest->at_header = source->at_header; \ + dest->at_reserved2 = source->at_reserved2; \ + ISP_SBUS_SWOZZLE(isp, source, dest, at_lun, at_iid); \ + ISP_SBUS_SWOZZLE(isp, source, dest, at_cdblen, at_tgt); \ + dest->at_flags = source->at_flags; \ + ISP_SBUS_SWOZZLE(isp, source, dest, at_status, at_scsi_status); \ + ISP_SBUS_SWOZZLE(isp, source, dest, at_tag_val, at_tag_type); \ + MEMCPY(dest->at_cdb, source->at_cdb, ATIO_CDBLEN); \ + MEMCPY(dest->at_sense, source->at_sense, QLTM_SENSELEN); \ +} + +#define ISP_SWIZ_CTIO(isp, dest, vsrc) \ +{ \ + ct_entry_t *source = (ct_entry-t *) vsrc; \ + dest->ct_header = source->ct_header; \ + dest->ct_reserved = source->ct_reserved; \ + ISP_SBUS_SWOZZLE(isp, source, dest, ct_lun, ct_iid); \ + ISP_SBUS_SWOZZLE(isp, source, dest, ct_rsvd, ct_tgt); \ + dest->ct_flags = source->ct_flags; \ + ISP_SBUS_SWOZZLE(isp, source, dest, ct_status, ct_scsi_status); \ + ISP_SBUS_SWOZZLE(isp, source, dest, ct_tag_val, ct_tag_type); \ + dest->ct_xfrlen = source->ct_xfrlen; \ + dest->ct_resid = source->ct_resid; \ + dest->ct_timeout = source->ct_timeout; \ + dest->ct_seg_count = source->ct_seg_count; \ + MEMCPY(dest->ct_cdb, source->ct_cdb, ATIO_CDBLEN); \ + MEMCPY(dest->ct_sense, source->ct_sense, QLTM_SENSELEN); \ + dest->ct_dataseg = source->ct_dataseg; \ +} +#define ISP_SWIZ_ENABLE_LUN(isp, dest, vsrc) \ +{ \ + lun_entry_t *source = (lun_entry_t *)vsrc; \ + dest->le_header = source->le_header; \ + dest->le_reserved2 = source->le_reserved2; \ + ISP_SBUS_SWOZZLE(isp, source, dest, le_lun, le_rsvd); \ + ISP_SBUS_SWOZZLE(isp, source, dest, le_ops, le_tgt); \ + dest->le_flags = source->le_flags; \ + ISP_SBUS_SWOZZLE(isp, source, dest, le_status, le_rsvd2); \ + ISP_SBUS_SWOZZLE(isp, source, dest, le_cmd_count, le_in_count); \ + ISP_SBUS_SWOZZLE(isp, source, dest, le_cdb6len, le_cdb7len); \ + dest->le_timeout = source->le_timeout; \ + dest->le_reserved = source->le_reserved; \ +} +#define ISP_SWIZ_NOTIFY(isp, dest, vsrc) \ +{ \ + in_entry_type *source = (in_entry_t *)vsrc; \ + dest->in_header = source->in_header; \ + dest->in_reserved2 = source->in_reserved2; \ + ISP_SBUS_SWOZZLE(isp, source, dest, in_lun, in_iid); \ + ISP_SBUS_SWOZZLE(isp, source, dest, in_rsvd, in_tgt); \ + dest->in_flags = source->in_flags; \ + ISP_SBUS_SWOZZLE(isp, source, dest, in_status, in_rsvd2); \ + ISP_SBUS_SWOZZLE(isp, source, dest, in_tag_val, in_tag_type); \ + dest->in_seqid = source->in_seqid; \ + MEMCPY(dest->in_msg, source->in_msg, IN_MSGLEN); \ + MEMCPY(dest->in_reserved, source->in_reserved, IN_RESERVED); \ + MEMCPY(dest->in_sense, source->in_sense, QLTM_SENSELEN); \ +} +#define ISP_SWIZ_NOT_ACK(isp, dest) \ +{ \ + na_entry_t *source = (na_entry_t *)vsrc; \ + dest->na_header = source->na_header; \ + dest->na_reserved2 = source->na_reserved2; \ + ISP_SBUS_SWOZZLE(isp, source, dest, na_lun, na_iid); \ + ISP_SBUS_SWOZZLE(isp, source, dest, na_rsvd, na_tgt); \ + dest->na_flags = source->na_flags; \ + ISP_SBUS_SWOZZLE(isp, source, dest, na_status, na_event); \ + dest->na_seqid = source->na_seqid; \ + MEMCPY(dest->na_reserved, source->na_reserved, NA_RSVDLEN); \ +} +#define ISP_SWIZ_NOT_ACK_FC(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#else +#define ISP_SWIZ_ATIO(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_CTIO(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_ENABLE_LUN(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_NOTIFY(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_NOT_ACK(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_NOT_ACK_FC(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#endif +#define ISP_SWIZ_ATIO2(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) +#define ISP_SWIZ_CTIO2(isp, d, s) MEMCPY((void *)d, (void *)s, QENTRY_LEN) + +/* + * Debug macros + */ + +extern int isp_tdebug; +#define ISP_TDQE(isp, msg, idx, arg) \ + if (isp_tdebug > 3) isp_print_qentry(isp, msg, idx, arg) + +#define ITDEBUG(level, msg) if (level > isp_tdebug) PRINTF msg + +/* + * Common (for all platfoms) software SCSI msg/event structures. + */ + +typedef struct { + u_int8_t nt_iid; /* inititator id */ + u_int8_t nt_tgt; /* target id */ + u_int16_t nt_lun; /* logical unit */ + u_int8_t nt_bus; /* bus */ + u_int8_t nt_tagtype; /* tag type */ + u_int16_t nt_tagval; /* tag value */ + u_int8_t nt_msg[IN_MSGLEN]; /* message content */ +} tmd_msg_t; + +typedef struct { + u_int16_t ev_bus; /* bus */ + u_int16_t ev_event; /* type of async event */ +} tmd_event_t; + +/* + * Target Mode functions + */ + +/* + * This function handles new response queue entry appropriate for target mode. + */ +int isp_target_notify __P((struct ispsoftc *, void *, u_int16_t *)); + +/* + * Enable/Disable/Modify a logical unit. + */ +#define DFLT_CMD_CNT (RESULT_QUEUE_LEN >> 1) +#define DFLT_INOTIFY (4) +int isp_lun_cmd __P((struct ispsoftc *isp, int, int, int, int, u_int32_t)); + +/* + * General request queue 'put' routine for target mode entries. + */ +int isp_target_put_entry __P((struct ispsoftc *isp, void *)); + +/* + * General routine to put back an ATIO entry- + * used for replenishing f/w resource counts. + */ +int +isp_target_put_atio __P((struct ispsoftc *isp, int, int, int, int, int)); + +/* + * General routine to send a final CTIO for a command- used mostly for + * local responses. + */ +int +isp_endcmd __P((struct ispsoftc *isp, void *, u_int32_t, u_int32_t)); + +/* + * Handle an asynchronous event + */ + +void isp_target_async __P((struct ispsoftc *, int, int)); + +#endif /* _ISPTARGET_H */ |