421 lines
11 KiB
C
421 lines
11 KiB
C
/* $FreeBSD$ */
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/*
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* Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version)
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* Copyright (c) 1997, 1998, 1999, 2000 by Matthew Jacob
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ISP_FREEBSD_H
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#define _ISP_FREEBSD_H
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#define ISP_PLATFORM_VERSION_MAJOR 5
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#define ISP_PLATFORM_VERSION_MINOR 3
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/queue.h>
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#include <sys/malloc.h>
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#include <sys/proc.h>
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#include <machine/bus_memio.h>
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#include <machine/bus_pio.h>
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#include <machine/bus.h>
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#include <machine/clock.h>
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#include <machine/cpu.h>
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#include <cam/cam.h>
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#include <cam/cam_debug.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_xpt.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/cam_debug.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_message.h>
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#include "opt_ddb.h"
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#include "opt_isp.h"
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typedef void ispfwfunc __P((int, int, int, const u_int16_t **));
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#ifdef ISP_TARGET_MODE
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typedef struct tstate {
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struct tstate *next;
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struct cam_path *owner;
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struct ccb_hdr_slist atios;
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struct ccb_hdr_slist inots;
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lun_id_t lun;
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u_int32_t hold;
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} tstate_t;
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/*
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* This should work very well for 100% of parallel SCSI cases, 100%
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* of non-SCCLUN FC cases, and hopefully some larger fraction of the
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* SCCLUN FC cases. Basically, we index by the low 5 bits of lun and
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* then linear search. This has to be reasonably zippy, but not crucially
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* so.
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*/
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#define LUN_HASH_SIZE 32
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#define LUN_HASH_FUNC(lun) ((lun) & 0x1f)
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#endif
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struct isposinfo {
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struct ispsoftc * next;
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u_int64_t default_wwn;
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char name[8];
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int unit;
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struct cam_sim *sim;
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struct cam_path *path;
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struct cam_sim *sim2;
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struct cam_path *path2;
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struct intr_config_hook ehook;
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u_int8_t mboxwaiting;
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u_int8_t simqfrozen;
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u_int8_t drain;
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#ifdef SERVICING_INTERRUPT
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u_int8_t intsok;
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#else
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u_int8_t padding;
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#endif
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volatile u_int32_t islocked;
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int splsaved;
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#ifdef ISP_TARGET_MODE
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#define TM_WANTED 0x01
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#define TM_BUSY 0x02
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#define TM_TMODE_ENABLED 0x80
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u_int8_t tmflags;
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u_int8_t rstatus;
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u_int16_t rollinfo;
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tstate_t tsdflt;
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tstate_t *lun_hash[LUN_HASH_SIZE];
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#endif
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};
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/*
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* Required Macros/Defines
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*/
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#define INLINE __inline
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#define ISP2100_FABRIC 1
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#define ISP2100_SCRLEN 0x400
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#define MEMZERO bzero
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#define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt))
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#define SNPRINTF snprintf
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#define STRNCAT strncat
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#define USEC_DELAY DELAY
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#define NANOTIME_T struct timespec
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#define GET_NANOTIME nanotime
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#define GET_NANOSEC(x) ((x)->tv_sec * 1000000000 + (x)->tv_nsec)
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#define NANOTIME_SUB nanotime_sub
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#define MAXISPREQUEST(isp) 256
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#ifdef __alpha__
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#define MEMORYBARRIER(isp, type, offset, size) alpha_mb()
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#else
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#define MEMORYBARRIER(isp, type, offset, size)
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#endif
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#define MBOX_ACQUIRE(isp)
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#define MBOX_WAIT_COMPLETE isp_mbox_wait_complete
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#define MBOX_NOTIFY_COMPLETE(isp) \
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if (isp->isp_osinfo.mboxwaiting) { \
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isp->isp_osinfo.mboxwaiting = 0; \
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wakeup(&isp->isp_osinfo.mboxwaiting); \
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} \
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isp->isp_mboxbsy = 0
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#define MBOX_RELEASE(isp)
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#ifndef SCSI_GOOD
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#define SCSI_GOOD SCSI_STATUS_OK
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#endif
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#ifndef SCSI_CHECK
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#define SCSI_CHECK SCSI_STATUS_CHECK_COND
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#endif
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#ifndef SCSI_BUSY
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#define SCSI_BUSY SCSI_STATUS_BUSY
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#endif
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#ifndef SCSI_QFULL
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#define SCSI_QFULL SCSI_STATUS_QUEUE_FULL
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#endif
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#define XS_T struct ccb_scsiio
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#define XS_ISP(ccb) ((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
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#define XS_CHANNEL(ccb) cam_sim_bus(xpt_path_sim((ccb)->ccb_h.path))
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#define XS_TGT(ccb) (ccb)->ccb_h.target_id
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#define XS_LUN(ccb) (ccb)->ccb_h.target_lun
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#define XS_CDBP(ccb) \
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(((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
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(ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes)
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#define XS_CDBLEN(ccb) (ccb)->cdb_len
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#define XS_XFRLEN(ccb) (ccb)->dxfer_len
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#define XS_TIME(ccb) (ccb)->ccb_h.timeout
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#define XS_RESID(ccb) (ccb)->resid
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#define XS_STSP(ccb) (&(ccb)->scsi_status)
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#define XS_SNSP(ccb) (&(ccb)->sense_data)
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#define XS_SNSLEN(ccb) \
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imin((sizeof((ccb)->sense_data)), ccb->sense_len)
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#define XS_SNSKEY(ccb) ((ccb)->sense_data.flags & 0xf)
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#define XS_TAG_P(ccb) \
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(((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID) && \
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(ccb)->tag_action != CAM_TAG_ACTION_NONE)
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#define XS_TAG_TYPE(ccb) \
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((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
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((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
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#define XS_SETERR(ccb, v) (ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
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(ccb)->ccb_h.status |= v, \
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(ccb)->ccb_h.spriv_field0 |= ISP_SPRIV_ERRSET
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# define HBA_NOERROR CAM_REQ_INPROG
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# define HBA_BOTCH CAM_UNREC_HBA_ERROR
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# define HBA_CMDTIMEOUT CAM_CMD_TIMEOUT
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# define HBA_SELTIMEOUT CAM_SEL_TIMEOUT
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# define HBA_TGTBSY CAM_SCSI_STATUS_ERROR
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# define HBA_BUSRESET CAM_SCSI_BUS_RESET
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# define HBA_ABORTED CAM_REQ_ABORTED
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# define HBA_DATAOVR CAM_DATA_RUN_ERR
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# define HBA_ARQFAIL CAM_AUTOSENSE_FAIL
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#define XS_ERR(ccb) ((ccb)->ccb_h.status & CAM_STATUS_MASK)
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#define XS_NOERR(ccb) \
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(((ccb)->ccb_h.spriv_field0 & ISP_SPRIV_ERRSET) == 0 || \
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((ccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG)
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#define XS_INITERR(ccb) \
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XS_SETERR(ccb, CAM_REQ_INPROG), (ccb)->ccb_h.spriv_field0 = 0
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#define XS_SAVE_SENSE(xs, sp) \
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bcopy(sp->req_sense_data, &(xs)->sense_data, \
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imin(XS_SNSLEN(xs), sp->req_sense_len))
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#define XS_SET_STATE_STAT(a, b, c)
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#define DEFAULT_IID(x) 7
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#define DEFAULT_LOOPID(x) 109
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#define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.default_wwn
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#define DEFAULT_PORTWWN(isp) \
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isp_port_from_node_wwn((isp), (isp)->isp_osinfo.default_wwn)
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#define PORT_FROM_NODE_WWN isp_port_from_node_wwn
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#define ISP_UNSWIZZLE_AND_COPY_PDBP(isp, dest, src) \
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if((void *)src != (void *)dest) bcopy(src, dest, sizeof (isp_pdb_t))
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#define ISP_SWIZZLE_ICB(a, b)
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#define ISP_SWIZZLE_REQUEST(a, b)
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#define ISP_UNSWIZZLE_RESPONSE(a, b, c)
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#define ISP_SWIZZLE_SNS_REQ(a, b)
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#define ISP_UNSWIZZLE_SNS_RSP(a, b, c)
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#define ISP_SWIZZLE_NVRAM_WORD(isp, x)
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/*
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* Includes of common header files
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*/
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#include <dev/isp/ispreg.h>
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#include <dev/isp/ispvar.h>
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#include <dev/isp/ispmbox.h>
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/*
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* isp_osinfo definiitions && shorthand
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*/
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#define SIMQFRZ_RESOURCE 0x1
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#define SIMQFRZ_LOOPDOWN 0x2
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#define SIMQFRZ_TIMED 0x4
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#define isp_sim isp_osinfo.sim
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#define isp_path isp_osinfo.path
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#define isp_sim2 isp_osinfo.sim2
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#define isp_path2 isp_osinfo.path2
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#define isp_unit isp_osinfo.unit
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#define isp_name isp_osinfo.name
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/*
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* prototypes for isp_pci && isp_freebsd to share
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*/
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extern void isp_attach(struct ispsoftc *);
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extern void isp_uninit(struct ispsoftc *);
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/*
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* Locking macros...
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*/
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#define ISP_LOCK isp_lock
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#define ISP_UNLOCK isp_unlock
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/* not safely working yet */
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#if 0
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#define SERVICING_INTERRUPT(isp) (intr_nesting_level != 0)
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#endif
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/*
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* Platform private flags
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*/
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#define ISP_SPRIV_ERRSET 0x1
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#define ISP_SPRIV_INWDOG 0x2
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#define ISP_SPRIV_GRACE 0x4
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#define ISP_SPRIV_DONE 0x8
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#define XS_CMD_S_WDOG(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_INWDOG
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#define XS_CMD_C_WDOG(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_INWDOG
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#define XS_CMD_WDOG_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_INWDOG)
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#define XS_CMD_S_GRACE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_GRACE
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#define XS_CMD_C_GRACE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_GRACE
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#define XS_CMD_GRACE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_GRACE)
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#define XS_CMD_S_DONE(sccb) (sccb)->ccb_h.spriv_field0 |= ISP_SPRIV_DONE
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#define XS_CMD_C_DONE(sccb) (sccb)->ccb_h.spriv_field0 &= ~ISP_SPRIV_DONE
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#define XS_CMD_DONE_P(sccb) ((sccb)->ccb_h.spriv_field0 & ISP_SPRIV_DONE)
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#define XS_CMD_S_CLEAR(sccb) (sccb)->ccb_h.spriv_field0 = 0
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/*
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* Platform specific inline functions
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*/
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static INLINE void isp_lock(struct ispsoftc *);
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static INLINE void
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isp_lock(struct ispsoftc *isp)
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{
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int s = splcam();
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if (isp->isp_osinfo.islocked++ == 0) {
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isp->isp_osinfo.splsaved = s;
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} else {
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splx(s);
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}
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}
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static INLINE void isp_unlock(struct ispsoftc *);
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static INLINE void
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isp_unlock(struct ispsoftc *isp)
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{
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if (--isp->isp_osinfo.islocked == 0) {
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splx(isp->isp_osinfo.splsaved);
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}
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}
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static INLINE void isp_mbox_wait_complete(struct ispsoftc *);
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static INLINE void
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isp_mbox_wait_complete(struct ispsoftc *isp)
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{
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#ifdef SERVICING_INTERRUPT
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if (isp->isp_osinfo.intsok == 0 || SERVICING_INTERRUPT(isp)) {
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int j;
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for (j = 0; j < 60 * 2000; j++) {
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if (isp_intr(isp) == 0) {
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USEC_DELAY(500);
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}
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if (isp->isp_mboxbsy == 0) {
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break;
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}
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}
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if (isp->isp_mboxbsy != 0) {
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isp_prt(isp, ISP_LOGWARN, "mailbox timeout");
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}
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} else {
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isp->isp_osinfo.mboxwaiting = 1;
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while (isp->isp_mboxbsy != 0) {
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(void) tsleep(&isp->isp_osinfo.mboxwaiting, PRIBIO,
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"isp_mailbox", 0);
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}
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}
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#else
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int j;
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for (j = 0; j < 60 * 2000; j++) {
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if (isp_intr(isp) == 0) {
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USEC_DELAY(500);
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}
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if (isp->isp_mboxbsy == 0) {
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break;
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}
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}
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if (isp->isp_mboxbsy != 0) {
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isp_prt(isp, ISP_LOGWARN, "mailbox timeout");
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}
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#endif
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}
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static INLINE u_int64_t nanotime_sub(struct timespec *, struct timespec *);
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static INLINE u_int64_t
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nanotime_sub(struct timespec *b, struct timespec *a)
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{
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u_int64_t elapsed;
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struct timespec x = *b;
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timespecsub(&x, a);
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elapsed = GET_NANOSEC(&x);
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if (elapsed == 0)
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elapsed++;
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return (elapsed);
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}
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static INLINE char *strncat(char *, const char *, size_t);
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static INLINE char *
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strncat(char *d, const char *s, size_t c)
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{
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char *t = d;
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if (c) {
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while (*d)
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d++;
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while ((*d++ = *s++)) {
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if (--c == 0) {
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*d = '\0';
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break;
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}
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}
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}
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return (t);
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}
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static INLINE u_int64_t isp_port_from_node_wwn(struct ispsoftc *, u_int64_t);
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static INLINE u_int64_t
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isp_port_from_node_wwn(struct ispsoftc *isp, u_int64_t node_wwn)
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{
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u_int64_t rv = node_wwn;
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if ((node_wwn >> 60) == 2) {
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rv = node_wwn |
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(((u_int64_t)(isp->isp_unit+1)) << 48);
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}
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return (rv);
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}
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/*
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* Common inline functions
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*/
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#include <dev/isp/isp_inline.h>
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#endif /* _ISP_FREEBSD_H */
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