c63dab466c
Also some minor style cleanups.
1972 lines
51 KiB
C
1972 lines
51 KiB
C
/*
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* Generic register and struct definitions for the Adaptech 154x/164x
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* SCSI host adapters. Product specific probe and attach routines can
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* be found in:
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* aha 1540/1542B/1542C/1542CF/1542CP aha_isa.c
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*
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* Copyright (c) 1998 M. Warner Losh.
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* All Rights Reserved.
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*
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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, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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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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* Derived from bt.c written by:
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*
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* Copyright (c) 1998 Justin T. Gibbs.
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* All rights reserved.
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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, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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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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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <machine/bus_pio.h>
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#include <machine/bus.h>
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#include <cam/cam.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_sim.h>
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#include <cam/cam_debug.h>
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#include <cam/scsi/scsi_message.h>
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#include <dev/aha/ahareg.h>
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#define PRVERB(x) if (bootverbose) printf x
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/* Macro to determine that a rev is potentially a new valid one
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* so that the driver doesn't keep breaking on new revs as it
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* did for the CF and CP.
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*/
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#define PROBABLY_NEW_BOARD(REV) (REV > 0x43 && REV < 0x56)
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/* MailBox Management functions */
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static __inline void ahanextinbox(struct aha_softc *aha);
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static __inline void ahanextoutbox(struct aha_softc *aha);
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static __inline void
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ahanextinbox(struct aha_softc *aha)
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{
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if (aha->cur_inbox == aha->last_inbox)
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aha->cur_inbox = aha->in_boxes;
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else
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aha->cur_inbox++;
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}
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static __inline void
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ahanextoutbox(struct aha_softc *aha)
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{
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if (aha->cur_outbox == aha->last_outbox)
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aha->cur_outbox = aha->out_boxes;
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else
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aha->cur_outbox++;
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}
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#define ahautoa24(u,s3) \
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(s3)[0] = ((u) >> 16) & 0xff; \
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(s3)[1] = ((u) >> 8) & 0xff; \
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(s3)[2] = (u) & 0xff;
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#define aha_a24tou(s3) \
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(((s3)[0] << 16) | ((s3)[1] << 8) | (s3)[2])
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/* CCB Mangement functions */
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static __inline u_int32_t ahaccbvtop(struct aha_softc *aha,
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struct aha_ccb *accb);
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static __inline struct aha_ccb* ahaccbptov(struct aha_softc *aha,
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u_int32_t ccb_addr);
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static __inline u_int32_t
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ahaccbvtop(struct aha_softc *aha, struct aha_ccb *accb)
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{
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return (aha->aha_ccb_physbase
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+ (u_int32_t)((caddr_t)accb - (caddr_t)aha->aha_ccb_array));
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}
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static __inline struct aha_ccb *
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ahaccbptov(struct aha_softc *aha, u_int32_t ccb_addr)
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{
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return (aha->aha_ccb_array +
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+ ((struct aha_ccb*)(uintptr_t)ccb_addr -
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(struct aha_ccb*)(uintptr_t)aha->aha_ccb_physbase));
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}
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static struct aha_ccb* ahagetccb(struct aha_softc *aha);
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static __inline void ahafreeccb(struct aha_softc *aha, struct aha_ccb *accb);
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static void ahaallocccbs(struct aha_softc *aha);
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static bus_dmamap_callback_t ahaexecuteccb;
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static void ahadone(struct aha_softc *aha, struct aha_ccb *accb,
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aha_mbi_comp_code_t comp_code);
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/* Host adapter command functions */
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static int ahareset(struct aha_softc* aha, int hard_reset);
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/* Initialization functions */
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static int ahainitmboxes(struct aha_softc *aha);
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static bus_dmamap_callback_t ahamapmboxes;
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static bus_dmamap_callback_t ahamapccbs;
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static bus_dmamap_callback_t ahamapsgs;
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/* Transfer Negotiation Functions */
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static void ahafetchtransinfo(struct aha_softc *aha,
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struct ccb_trans_settings *cts);
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/* CAM SIM entry points */
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#define ccb_accb_ptr spriv_ptr0
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#define ccb_aha_ptr spriv_ptr1
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static void ahaaction(struct cam_sim *sim, union ccb *ccb);
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static void ahapoll(struct cam_sim *sim);
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/* Our timeout handler */
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static timeout_t ahatimeout;
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u_long aha_unit = 0;
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/*
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* Do our own re-probe protection until a configuration
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* manager can do it for us. This ensures that we don't
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* reprobe a card already found by the EISA or PCI probes.
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*/
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static struct aha_isa_port aha_isa_ports[] =
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{
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{ 0x130, 4 },
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{ 0x134, 5 },
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{ 0x230, 2 },
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{ 0x234, 3 },
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{ 0x330, 0 },
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{ 0x334, 1 }
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};
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/*
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* I/O ports listed in the order enumerated by the
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* card for certain op codes.
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*/
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static u_int16_t aha_board_ports[] =
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{
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0x330,
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0x334,
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0x230,
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0x234,
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0x130,
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0x134
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};
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/* Exported functions */
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struct aha_softc *
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aha_alloc(int unit, bus_space_tag_t tag, bus_space_handle_t bsh)
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{
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struct aha_softc *aha;
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aha = malloc(sizeof(struct aha_softc), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (!aha) {
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printf("aha%d: cannot malloc!\n", unit);
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return NULL;
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}
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SLIST_INIT(&aha->free_aha_ccbs);
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LIST_INIT(&aha->pending_ccbs);
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SLIST_INIT(&aha->sg_maps);
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aha->unit = unit;
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aha->tag = tag;
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aha->bsh = bsh;
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aha->ccb_sg_opcode = INITIATOR_SG_CCB_WRESID;
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aha->ccb_ccb_opcode = INITIATOR_CCB_WRESID;
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return (aha);
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}
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void
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aha_free(struct aha_softc *aha)
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{
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switch (aha->init_level) {
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default:
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case 8:
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{
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struct sg_map_node *sg_map;
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while ((sg_map = SLIST_FIRST(&aha->sg_maps))!= NULL) {
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SLIST_REMOVE_HEAD(&aha->sg_maps, links);
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bus_dmamap_unload(aha->sg_dmat,
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sg_map->sg_dmamap);
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bus_dmamem_free(aha->sg_dmat, sg_map->sg_vaddr,
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sg_map->sg_dmamap);
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free(sg_map, M_DEVBUF);
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}
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bus_dma_tag_destroy(aha->sg_dmat);
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}
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case 7:
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bus_dmamap_unload(aha->ccb_dmat, aha->ccb_dmamap);
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case 6:
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bus_dmamap_destroy(aha->ccb_dmat, aha->ccb_dmamap);
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bus_dmamem_free(aha->ccb_dmat, aha->aha_ccb_array,
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aha->ccb_dmamap);
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case 5:
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bus_dma_tag_destroy(aha->ccb_dmat);
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case 4:
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bus_dmamap_unload(aha->mailbox_dmat, aha->mailbox_dmamap);
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case 3:
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bus_dmamem_free(aha->mailbox_dmat, aha->in_boxes,
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aha->mailbox_dmamap);
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bus_dmamap_destroy(aha->mailbox_dmat, aha->mailbox_dmamap);
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case 2:
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bus_dma_tag_destroy(aha->buffer_dmat);
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case 1:
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bus_dma_tag_destroy(aha->mailbox_dmat);
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case 0:
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break;
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}
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free(aha, M_DEVBUF);
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}
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/*
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* Probe the adapter and verify that the card is an Adaptec.
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*/
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int
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aha_probe(struct aha_softc* aha)
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{
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u_int status;
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u_int intstat;
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int error;
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board_id_data_t board_id;
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/*
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* See if the three I/O ports look reasonable.
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* Touch the minimal number of registers in the
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* failure case.
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*/
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status = aha_inb(aha, STATUS_REG);
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if ((status == 0)
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|| (status & (DIAG_ACTIVE|CMD_REG_BUSY|
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STATUS_REG_RSVD)) != 0) {
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PRVERB(("%s: status reg test failed %x\n", aha_name(aha),
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status));
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return (ENXIO);
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}
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intstat = aha_inb(aha, INTSTAT_REG);
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if ((intstat & INTSTAT_REG_RSVD) != 0) {
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PRVERB(("%s: Failed Intstat Reg Test\n", aha_name(aha)));
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return (ENXIO);
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}
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/*
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* Looking good so far. Final test is to reset the
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* adapter and fetch the board ID and ensure we aren't
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* looking at a BusLogic.
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*/
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if ((error = ahareset(aha, /*hard_reset*/TRUE)) != 0) {
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PRVERB(("%s: Failed Reset\n", aha_name(aha)));
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return (ENXIO);
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}
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/*
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* Get the board ID. We use this to see if we're dealing with
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* a buslogic card or an aha card (or clone).
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*/
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error = aha_cmd(aha, AOP_INQUIRE_BOARD_ID, NULL, /*parmlen*/0,
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(u_int8_t*)&board_id, sizeof(board_id),
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DEFAULT_CMD_TIMEOUT);
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if (error != 0) {
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PRVERB(("%s: INQUIRE failed %x\n", aha_name(aha), error));
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return (ENXIO);
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}
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aha->fw_major = board_id.firmware_rev_major;
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aha->fw_minor = board_id.firmware_rev_minor;
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aha->boardid = board_id.board_type;
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/*
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* The Buslogic cards have an id of either 0x41 or 0x42. So
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* if those come up in the probe, we test the geometry register
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* of the board. Adaptec boards that are this old will not have
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* this register, and return 0xff, while buslogic cards will return
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* something different.
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*
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* It appears that for reasons unknow, for the for the
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* aha-1542B cards, we need to wait a little bit before trying
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* to read the geometry register. I picked 10ms since we have
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* reports that a for loop to 1000 did the trick, and this
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* errs on the side of conservatism. Besides, no one will
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* notice a 10mS delay here, even the 1542B card users :-)
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*
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* Some compatible cards return 0 here. Some cards also
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* seem to return 0x7f.
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*
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* XXX I'm not sure how this will impact other cloned cards
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*
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* This really should be replaced with the esetup command, since
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* that appears to be more reliable. This becomes more and more
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* true over time as we discover more cards that don't read the
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* geometry register consistantly.
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*/
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if (aha->boardid <= 0x42) {
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/* Wait 10ms before reading */
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DELAY(10000);
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status = aha_inb(aha, GEOMETRY_REG);
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if (status != 0xff && status != 0x00 && status != 0x7f) {
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PRVERB(("%s: Geometry Register test failed 0x%x\n",
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aha_name(aha), status));
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return (ENXIO);
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}
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}
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return (0);
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}
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/*
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* Pull the boards setup information and record it in our softc.
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*/
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int
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aha_fetch_adapter_info(struct aha_softc *aha)
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{
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setup_data_t setup_info;
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config_data_t config_data;
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u_int8_t length_param;
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int error;
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struct aha_extbios extbios;
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switch (aha->boardid) {
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case BOARD_1540_16HEAD_BIOS:
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snprintf(aha->model, sizeof(aha->model), "1540 16 head BIOS");
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break;
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case BOARD_1540_64HEAD_BIOS:
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snprintf(aha->model, sizeof(aha->model), "1540 64 head BIOS");
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break;
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case BOARD_1542:
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snprintf(aha->model, sizeof(aha->model), "1540/1542 64 head BIOS");
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break;
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case BOARD_1640:
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snprintf(aha->model, sizeof(aha->model), "1640");
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break;
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case BOARD_1740:
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snprintf(aha->model, sizeof(aha->model), "1740A/1742A/1744");
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break;
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case BOARD_1542C:
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snprintf(aha->model, sizeof(aha->model), "1542C");
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break;
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case BOARD_1542CF:
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snprintf(aha->model, sizeof(aha->model), "1542CF");
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break;
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case BOARD_1542CP:
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snprintf(aha->model, sizeof(aha->model), "1542CP");
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break;
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default:
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snprintf(aha->model, sizeof(aha->model), "Unknown");
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break;
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}
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/*
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* If we are a new type of 1542 board (anything newer than a 1542C)
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* then disable the extended bios so that the
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* mailbox interface is unlocked.
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* This is also true for the 1542B Version 3.20. First Adaptec
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* board that supports >1Gb drives.
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* No need to check the extended bios flags as some of the
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* extensions that cause us problems are not flagged in that byte.
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*/
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if (PROBABLY_NEW_BOARD(aha->boardid) ||
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(aha->boardid == 0x41
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&& aha->fw_major == 0x31 &&
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aha->fw_minor >= 0x34)) {
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error = aha_cmd(aha, AOP_RETURN_EXT_BIOS_INFO, NULL,
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/*paramlen*/0, (u_char *)&extbios, sizeof(extbios),
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DEFAULT_CMD_TIMEOUT);
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error = aha_cmd(aha, AOP_MBOX_IF_ENABLE, (u_int8_t *)&extbios,
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/*paramlen*/2, NULL, 0, DEFAULT_CMD_TIMEOUT);
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}
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if (aha->boardid < 0x41)
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printf("%s: Warning: aha-1542A won't likely work.\n",
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aha_name(aha));
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aha->max_sg = 17; /* Need >= 17 to do 64k I/O */
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aha->diff_bus = 0;
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aha->extended_lun = 0;
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aha->extended_trans = 0;
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aha->max_ccbs = 16;
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/* Determine Sync/Wide/Disc settings */
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length_param = sizeof(setup_info);
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error = aha_cmd(aha, AOP_INQUIRE_SETUP_INFO, &length_param,
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/*paramlen*/1, (u_int8_t*)&setup_info,
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sizeof(setup_info), DEFAULT_CMD_TIMEOUT);
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if (error != 0) {
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printf("%s: aha_fetch_adapter_info - Failed "
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"Get Setup Info\n", aha_name(aha));
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return (error);
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}
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if (setup_info.initiate_sync != 0) {
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aha->sync_permitted = ALL_TARGETS;
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}
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aha->disc_permitted = ALL_TARGETS;
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/* We need as many mailboxes as we can have ccbs */
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aha->num_boxes = aha->max_ccbs;
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/* Determine our SCSI ID */
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error = aha_cmd(aha, AOP_INQUIRE_CONFIG, NULL, /*parmlen*/0,
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(u_int8_t*)&config_data, sizeof(config_data),
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DEFAULT_CMD_TIMEOUT);
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if (error != 0) {
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printf("%s: aha_fetch_adapter_info - Failed Get Config\n",
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aha_name(aha));
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return (error);
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}
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aha->scsi_id = config_data.scsi_id;
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return (0);
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}
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/*
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* Start the board, ready for normal operation
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*/
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int
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aha_init(struct aha_softc* aha)
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{
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/* Announce the Adapter */
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printf("%s: AHA-%s FW Rev. %c.%c (ID=%x) ", aha_name(aha),
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aha->model, aha->fw_major, aha->fw_minor, aha->boardid);
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if (aha->diff_bus != 0)
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printf("Diff ");
|
|
|
|
printf("SCSI Host Adapter, SCSI ID %d, %d CCBs\n", aha->scsi_id,
|
|
aha->max_ccbs);
|
|
|
|
/*
|
|
* Create our DMA tags. These tags define the kinds of device
|
|
* accessible memory allocations and memory mappings we will
|
|
* need to perform during normal operation.
|
|
*
|
|
* Unless we need to further restrict the allocation, we rely
|
|
* on the restrictions of the parent dmat, hence the common
|
|
* use of MAXADDR and MAXSIZE.
|
|
*/
|
|
|
|
/* DMA tag for mapping buffers into device visible space. */
|
|
if (bus_dma_tag_create( /* parent */ aha->parent_dmat,
|
|
/* alignment */ 1,
|
|
/* boundary */ 0,
|
|
/* lowaddr */ BUS_SPACE_MAXADDR,
|
|
/* highaddr */ BUS_SPACE_MAXADDR,
|
|
/* filter */ NULL,
|
|
/* filterarg */ NULL,
|
|
/* maxsize */ MAXBSIZE,
|
|
/* nsegments */ AHA_NSEG,
|
|
/* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
|
|
/* flags */ BUS_DMA_ALLOCNOW,
|
|
/* lockfunc */ busdma_lock_mutex,
|
|
/* lockarg */ &Giant,
|
|
&aha->buffer_dmat) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
/* DMA tag for our mailboxes */
|
|
if (bus_dma_tag_create( /* parent */ aha->parent_dmat,
|
|
/* alignment */ 1,
|
|
/* boundary */ 0,
|
|
/* lowaddr */ BUS_SPACE_MAXADDR,
|
|
/* highaddr */ BUS_SPACE_MAXADDR,
|
|
/* filter */ NULL,
|
|
/* filterarg */ NULL,
|
|
/* maxsize */ aha->num_boxes *
|
|
(sizeof(aha_mbox_in_t) +
|
|
sizeof(aha_mbox_out_t)),
|
|
/* nsegments */ 1,
|
|
/* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
|
|
/* flags */ 0,
|
|
/* lockfunc */ busdma_lock_mutex,
|
|
/* lockarg */ &Giant,
|
|
&aha->mailbox_dmat) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
|
|
/* Allocation for our mailboxes */
|
|
if (bus_dmamem_alloc(aha->mailbox_dmat, (void **)&aha->out_boxes,
|
|
BUS_DMA_NOWAIT, &aha->mailbox_dmamap) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
|
|
/* And permanently map them */
|
|
bus_dmamap_load(aha->mailbox_dmat, aha->mailbox_dmamap,
|
|
aha->out_boxes,
|
|
aha->num_boxes * (sizeof(aha_mbox_in_t)
|
|
+ sizeof(aha_mbox_out_t)),
|
|
ahamapmboxes, aha, /*flags*/0);
|
|
|
|
aha->init_level++;
|
|
|
|
aha->in_boxes = (aha_mbox_in_t *)&aha->out_boxes[aha->num_boxes];
|
|
|
|
ahainitmboxes(aha);
|
|
|
|
/* DMA tag for our ccb structures */
|
|
if (bus_dma_tag_create( /* parent */ aha->parent_dmat,
|
|
/* alignment */ 1,
|
|
/* boundary */ 0,
|
|
/* lowaddr */ BUS_SPACE_MAXADDR,
|
|
/* highaddr */ BUS_SPACE_MAXADDR,
|
|
/* filter */ NULL,
|
|
/* filterarg */ NULL,
|
|
/* maxsize */ aha->max_ccbs *
|
|
sizeof(struct aha_ccb),
|
|
/* nsegments */ 1,
|
|
/* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
|
|
/* flags */ 0,
|
|
/* lockfunc */ busdma_lock_mutex,
|
|
/* lockarg */ &Giant,
|
|
&aha->ccb_dmat) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
|
|
/* Allocation for our ccbs */
|
|
if (bus_dmamem_alloc(aha->ccb_dmat, (void **)&aha->aha_ccb_array,
|
|
BUS_DMA_NOWAIT, &aha->ccb_dmamap) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
|
|
/* And permanently map them */
|
|
bus_dmamap_load(aha->ccb_dmat, aha->ccb_dmamap,
|
|
aha->aha_ccb_array,
|
|
aha->max_ccbs * sizeof(struct aha_ccb),
|
|
ahamapccbs, aha, /*flags*/0);
|
|
|
|
aha->init_level++;
|
|
|
|
/* DMA tag for our S/G structures. We allocate in page sized chunks */
|
|
if (bus_dma_tag_create( /* parent */ aha->parent_dmat,
|
|
/* alignment */ 1,
|
|
/* boundary */ 0,
|
|
/* lowaddr */ BUS_SPACE_MAXADDR,
|
|
/* highaddr */ BUS_SPACE_MAXADDR,
|
|
/* filter */ NULL,
|
|
/* filterarg */ NULL,
|
|
/* maxsize */ PAGE_SIZE,
|
|
/* nsegments */ 1,
|
|
/* maxsegsz */ BUS_SPACE_MAXSIZE_24BIT,
|
|
/* flags */ 0,
|
|
/* lockfunc */ busdma_lock_mutex,
|
|
/* lockarg */ &Giant,
|
|
&aha->sg_dmat) != 0) {
|
|
goto error_exit;
|
|
}
|
|
|
|
aha->init_level++;
|
|
|
|
/* Perform initial CCB allocation */
|
|
bzero(aha->aha_ccb_array, aha->max_ccbs * sizeof(struct aha_ccb));
|
|
ahaallocccbs(aha);
|
|
|
|
if (aha->num_ccbs == 0) {
|
|
printf("%s: aha_init - Unable to allocate initial ccbs\n",
|
|
aha_name(aha));
|
|
goto error_exit;
|
|
}
|
|
|
|
/*
|
|
* Note that we are going and return (to probe)
|
|
*/
|
|
return 0;
|
|
|
|
error_exit:
|
|
|
|
return (ENXIO);
|
|
}
|
|
|
|
int
|
|
aha_attach(struct aha_softc *aha)
|
|
{
|
|
int tagged_dev_openings;
|
|
struct cam_devq *devq;
|
|
|
|
/*
|
|
* We don't do tagged queueing, since the aha cards don't
|
|
* support it.
|
|
*/
|
|
tagged_dev_openings = 0;
|
|
|
|
/*
|
|
* Create the device queue for our SIM.
|
|
*/
|
|
devq = cam_simq_alloc(aha->max_ccbs - 1);
|
|
if (devq == NULL)
|
|
return (ENOMEM);
|
|
|
|
/*
|
|
* Construct our SIM entry
|
|
*/
|
|
aha->sim = cam_sim_alloc(ahaaction, ahapoll, "aha", aha, aha->unit,
|
|
2, tagged_dev_openings, devq);
|
|
if (aha->sim == NULL) {
|
|
cam_simq_free(devq);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
if (xpt_bus_register(aha->sim, 0) != CAM_SUCCESS) {
|
|
cam_sim_free(aha->sim, /*free_devq*/TRUE);
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (xpt_create_path(&aha->path, /*periph*/NULL,
|
|
cam_sim_path(aha->sim), CAM_TARGET_WILDCARD,
|
|
CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_bus_deregister(cam_sim_path(aha->sim));
|
|
cam_sim_free(aha->sim, /*free_devq*/TRUE);
|
|
return (ENXIO);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
char *
|
|
aha_name(struct aha_softc *aha)
|
|
{
|
|
static char name[10];
|
|
|
|
snprintf(name, sizeof(name), "aha%d", aha->unit);
|
|
return (name);
|
|
}
|
|
|
|
void
|
|
aha_find_probe_range(int ioport, int *port_index, int *max_port_index)
|
|
{
|
|
if (ioport > 0) {
|
|
int i;
|
|
|
|
for (i = 0;i < AHA_NUM_ISAPORTS; i++)
|
|
if (ioport <= aha_isa_ports[i].addr)
|
|
break;
|
|
if ((i >= AHA_NUM_ISAPORTS)
|
|
|| (ioport != aha_isa_ports[i].addr)) {
|
|
printf("\n"
|
|
"aha_isa_probe: Invalid baseport of 0x%x specified.\n"
|
|
"aha_isa_probe: Nearest valid baseport is 0x%x.\n"
|
|
"aha_isa_probe: Failing probe.\n",
|
|
ioport,
|
|
(i < AHA_NUM_ISAPORTS)
|
|
? aha_isa_ports[i].addr
|
|
: aha_isa_ports[AHA_NUM_ISAPORTS - 1].addr);
|
|
*port_index = *max_port_index = -1;
|
|
return;
|
|
}
|
|
*port_index = *max_port_index = aha_isa_ports[i].bio;
|
|
} else {
|
|
*port_index = 0;
|
|
*max_port_index = AHA_NUM_ISAPORTS - 1;
|
|
}
|
|
}
|
|
|
|
int
|
|
aha_iop_from_bio(isa_compat_io_t bio_index)
|
|
{
|
|
if (bio_index >= 0 && bio_index < AHA_NUM_ISAPORTS)
|
|
return (aha_board_ports[bio_index]);
|
|
return (-1);
|
|
}
|
|
|
|
static void
|
|
ahaallocccbs(struct aha_softc *aha)
|
|
{
|
|
struct aha_ccb *next_ccb;
|
|
struct sg_map_node *sg_map;
|
|
bus_addr_t physaddr;
|
|
aha_sg_t *segs;
|
|
int newcount;
|
|
int i;
|
|
|
|
next_ccb = &aha->aha_ccb_array[aha->num_ccbs];
|
|
|
|
sg_map = malloc(sizeof(*sg_map), M_DEVBUF, M_NOWAIT);
|
|
|
|
if (sg_map == NULL)
|
|
return;
|
|
|
|
/* Allocate S/G space for the next batch of CCBS */
|
|
if (bus_dmamem_alloc(aha->sg_dmat, (void **)&sg_map->sg_vaddr,
|
|
BUS_DMA_NOWAIT, &sg_map->sg_dmamap) != 0) {
|
|
free(sg_map, M_DEVBUF);
|
|
return;
|
|
}
|
|
|
|
SLIST_INSERT_HEAD(&aha->sg_maps, sg_map, links);
|
|
|
|
bus_dmamap_load(aha->sg_dmat, sg_map->sg_dmamap, sg_map->sg_vaddr,
|
|
PAGE_SIZE, ahamapsgs, aha, /*flags*/0);
|
|
|
|
segs = sg_map->sg_vaddr;
|
|
physaddr = sg_map->sg_physaddr;
|
|
|
|
newcount = (PAGE_SIZE / (AHA_NSEG * sizeof(aha_sg_t)));
|
|
for (i = 0; aha->num_ccbs < aha->max_ccbs && i < newcount; i++) {
|
|
int error;
|
|
|
|
next_ccb->sg_list = segs;
|
|
next_ccb->sg_list_phys = physaddr;
|
|
next_ccb->flags = ACCB_FREE;
|
|
error = bus_dmamap_create(aha->buffer_dmat, /*flags*/0,
|
|
&next_ccb->dmamap);
|
|
if (error != 0)
|
|
break;
|
|
SLIST_INSERT_HEAD(&aha->free_aha_ccbs, next_ccb, links);
|
|
segs += AHA_NSEG;
|
|
physaddr += (AHA_NSEG * sizeof(aha_sg_t));
|
|
next_ccb++;
|
|
aha->num_ccbs++;
|
|
}
|
|
|
|
/* Reserve a CCB for error recovery */
|
|
if (aha->recovery_accb == NULL) {
|
|
aha->recovery_accb = SLIST_FIRST(&aha->free_aha_ccbs);
|
|
SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links);
|
|
}
|
|
}
|
|
|
|
static __inline void
|
|
ahafreeccb(struct aha_softc *aha, struct aha_ccb *accb)
|
|
{
|
|
int s;
|
|
|
|
s = splcam();
|
|
if ((accb->flags & ACCB_ACTIVE) != 0)
|
|
LIST_REMOVE(&accb->ccb->ccb_h, sim_links.le);
|
|
if (aha->resource_shortage != 0
|
|
&& (accb->ccb->ccb_h.status & CAM_RELEASE_SIMQ) == 0) {
|
|
accb->ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
aha->resource_shortage = FALSE;
|
|
}
|
|
accb->flags = ACCB_FREE;
|
|
SLIST_INSERT_HEAD(&aha->free_aha_ccbs, accb, links);
|
|
aha->active_ccbs--;
|
|
splx(s);
|
|
}
|
|
|
|
static struct aha_ccb*
|
|
ahagetccb(struct aha_softc *aha)
|
|
{
|
|
struct aha_ccb* accb;
|
|
int s;
|
|
|
|
s = splcam();
|
|
if ((accb = SLIST_FIRST(&aha->free_aha_ccbs)) != NULL) {
|
|
SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links);
|
|
aha->active_ccbs++;
|
|
} else if (aha->num_ccbs < aha->max_ccbs) {
|
|
ahaallocccbs(aha);
|
|
accb = SLIST_FIRST(&aha->free_aha_ccbs);
|
|
if (accb == NULL)
|
|
printf("%s: Can't malloc ACCB\n", aha_name(aha));
|
|
else {
|
|
SLIST_REMOVE_HEAD(&aha->free_aha_ccbs, links);
|
|
aha->active_ccbs++;
|
|
}
|
|
}
|
|
splx(s);
|
|
|
|
return (accb);
|
|
}
|
|
|
|
static void
|
|
ahaaction(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
struct aha_softc *aha;
|
|
|
|
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("ahaaction\n"));
|
|
|
|
aha = (struct aha_softc *)cam_sim_softc(sim);
|
|
|
|
switch (ccb->ccb_h.func_code) {
|
|
/* Common cases first */
|
|
case XPT_SCSI_IO: /* Execute the requested I/O operation */
|
|
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
|
|
{
|
|
struct aha_ccb *accb;
|
|
struct aha_hccb *hccb;
|
|
|
|
/*
|
|
* Get an accb to use.
|
|
*/
|
|
if ((accb = ahagetccb(aha)) == NULL) {
|
|
int s;
|
|
|
|
s = splcam();
|
|
aha->resource_shortage = TRUE;
|
|
splx(s);
|
|
xpt_freeze_simq(aha->sim, /*count*/1);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
hccb = &accb->hccb;
|
|
|
|
/*
|
|
* So we can find the ACCB when an abort is requested
|
|
*/
|
|
accb->ccb = ccb;
|
|
ccb->ccb_h.ccb_accb_ptr = accb;
|
|
ccb->ccb_h.ccb_aha_ptr = aha;
|
|
|
|
/*
|
|
* Put all the arguments for the xfer in the accb
|
|
*/
|
|
hccb->target = ccb->ccb_h.target_id;
|
|
hccb->lun = ccb->ccb_h.target_lun;
|
|
hccb->ahastat = 0;
|
|
hccb->sdstat = 0;
|
|
|
|
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
|
|
struct ccb_scsiio *csio;
|
|
struct ccb_hdr *ccbh;
|
|
|
|
csio = &ccb->csio;
|
|
ccbh = &csio->ccb_h;
|
|
hccb->opcode = aha->ccb_ccb_opcode;
|
|
hccb->datain = (ccb->ccb_h.flags & CAM_DIR_IN) != 0;
|
|
hccb->dataout = (ccb->ccb_h.flags & CAM_DIR_OUT) != 0;
|
|
hccb->cmd_len = csio->cdb_len;
|
|
if (hccb->cmd_len > sizeof(hccb->scsi_cdb)) {
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
hccb->sense_len = csio->sense_len;
|
|
if ((ccbh->flags & CAM_CDB_POINTER) != 0) {
|
|
if ((ccbh->flags & CAM_CDB_PHYS) == 0) {
|
|
bcopy(csio->cdb_io.cdb_ptr,
|
|
hccb->scsi_cdb, hccb->cmd_len);
|
|
} else {
|
|
/* I guess I could map it in... */
|
|
ccbh->status = CAM_REQ_INVALID;
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
} else {
|
|
bcopy(csio->cdb_io.cdb_bytes,
|
|
hccb->scsi_cdb, hccb->cmd_len);
|
|
}
|
|
/*
|
|
* If we have any data to send with this command,
|
|
* map it into bus space.
|
|
*/
|
|
/* Only use S/G if there is a transfer */
|
|
if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
if ((ccbh->flags & CAM_SCATTER_VALID) == 0) {
|
|
/*
|
|
* We've been given a pointer
|
|
* to a single buffer.
|
|
*/
|
|
if ((ccbh->flags & CAM_DATA_PHYS)==0) {
|
|
int s;
|
|
int error;
|
|
|
|
s = splsoftvm();
|
|
error = bus_dmamap_load(
|
|
aha->buffer_dmat,
|
|
accb->dmamap,
|
|
csio->data_ptr,
|
|
csio->dxfer_len,
|
|
ahaexecuteccb,
|
|
accb,
|
|
/*flags*/0);
|
|
if (error == EINPROGRESS) {
|
|
/*
|
|
* So as to maintain
|
|
* ordering, freeze the
|
|
* controller queue
|
|
* until our mapping is
|
|
* returned.
|
|
*/
|
|
xpt_freeze_simq(aha->sim,
|
|
1);
|
|
csio->ccb_h.status |=
|
|
CAM_RELEASE_SIMQ;
|
|
}
|
|
splx(s);
|
|
} else {
|
|
struct bus_dma_segment seg;
|
|
|
|
/* Pointer to physical buffer */
|
|
seg.ds_addr =
|
|
(bus_addr_t)csio->data_ptr;
|
|
seg.ds_len = csio->dxfer_len;
|
|
ahaexecuteccb(accb, &seg, 1, 0);
|
|
}
|
|
} else {
|
|
struct bus_dma_segment *segs;
|
|
|
|
if ((ccbh->flags & CAM_DATA_PHYS) != 0)
|
|
panic("ahaaction - Physical "
|
|
"segment pointers "
|
|
"unsupported");
|
|
|
|
if ((ccbh->flags&CAM_SG_LIST_PHYS)==0)
|
|
panic("ahaaction - Virtual "
|
|
"segment addresses "
|
|
"unsupported");
|
|
|
|
/* Just use the segments provided */
|
|
segs = (struct bus_dma_segment *)
|
|
csio->data_ptr;
|
|
ahaexecuteccb(accb, segs,
|
|
csio->sglist_cnt, 0);
|
|
}
|
|
} else {
|
|
ahaexecuteccb(accb, NULL, 0, 0);
|
|
}
|
|
} else {
|
|
hccb->opcode = INITIATOR_BUS_DEV_RESET;
|
|
/* No data transfer */
|
|
hccb->datain = TRUE;
|
|
hccb->dataout = TRUE;
|
|
hccb->cmd_len = 0;
|
|
hccb->sense_len = 0;
|
|
ahaexecuteccb(accb, NULL, 0, 0);
|
|
}
|
|
break;
|
|
}
|
|
case XPT_EN_LUN: /* Enable LUN as a target */
|
|
case XPT_TARGET_IO: /* Execute target I/O request */
|
|
case XPT_ACCEPT_TARGET_IO: /* Accept Host Target Mode CDB */
|
|
case XPT_CONT_TARGET_IO: /* Continue Host Target I/O Connection*/
|
|
case XPT_ABORT: /* Abort the specified CCB */
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
{
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_PROVIDE_FAIL;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
/* Get default/user set transfer settings for the target */
|
|
{
|
|
struct ccb_trans_settings *cts;
|
|
u_int target_mask;
|
|
|
|
cts = &ccb->cts;
|
|
target_mask = 0x01 << ccb->ccb_h.target_id;
|
|
if ((cts->flags & CCB_TRANS_USER_SETTINGS) != 0) {
|
|
cts->flags = 0;
|
|
if ((aha->disc_permitted & target_mask) != 0)
|
|
cts->flags |= CCB_TRANS_DISC_ENB;
|
|
cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
|
|
if ((aha->sync_permitted & target_mask) != 0) {
|
|
if (aha->boardid >= BOARD_1542CF)
|
|
cts->sync_period = 25;
|
|
else
|
|
cts->sync_period = 50;
|
|
} else
|
|
cts->sync_period = 0;
|
|
|
|
if (cts->sync_period != 0)
|
|
cts->sync_offset = 15;
|
|
|
|
cts->valid = CCB_TRANS_SYNC_RATE_VALID
|
|
| CCB_TRANS_SYNC_OFFSET_VALID
|
|
| CCB_TRANS_BUS_WIDTH_VALID
|
|
| CCB_TRANS_DISC_VALID
|
|
| CCB_TRANS_TQ_VALID;
|
|
} else {
|
|
ahafetchtransinfo(aha, cts);
|
|
}
|
|
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_CALC_GEOMETRY:
|
|
{
|
|
struct ccb_calc_geometry *ccg;
|
|
u_int32_t size_mb;
|
|
u_int32_t secs_per_cylinder;
|
|
|
|
ccg = &ccb->ccg;
|
|
size_mb = ccg->volume_size
|
|
/ ((1024L * 1024L) / ccg->block_size);
|
|
|
|
if (size_mb >= 1024 && (aha->extended_trans != 0)) {
|
|
if (size_mb >= 2048) {
|
|
ccg->heads = 255;
|
|
ccg->secs_per_track = 63;
|
|
} else {
|
|
ccg->heads = 128;
|
|
ccg->secs_per_track = 32;
|
|
}
|
|
} else {
|
|
ccg->heads = 64;
|
|
ccg->secs_per_track = 32;
|
|
}
|
|
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
|
|
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
|
|
{
|
|
ahareset(aha, /*hardreset*/TRUE);
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_TERM_IO: /* Terminate the I/O process */
|
|
/* XXX Implement */
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_PATH_INQ: /* Path routing inquiry */
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
cpi->version_num = 1; /* XXX??? */
|
|
cpi->hba_inquiry = PI_SDTR_ABLE;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = 0;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = 7;
|
|
cpi->max_lun = 7;
|
|
cpi->initiator_id = aha->scsi_id;
|
|
cpi->bus_id = cam_sim_bus(sim);
|
|
cpi->base_transfer_speed = 3300;
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, "Adaptec", HBA_IDLEN);
|
|
strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
|
|
cpi->unit_number = cam_sim_unit(sim);
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahaexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
|
|
{
|
|
struct aha_ccb *accb;
|
|
union ccb *ccb;
|
|
struct aha_softc *aha;
|
|
int s;
|
|
u_int32_t paddr;
|
|
|
|
accb = (struct aha_ccb *)arg;
|
|
ccb = accb->ccb;
|
|
aha = (struct aha_softc *)ccb->ccb_h.ccb_aha_ptr;
|
|
|
|
if (error != 0) {
|
|
if (error != EFBIG)
|
|
printf("%s: Unexepected error 0x%x returned from "
|
|
"bus_dmamap_load\n", aha_name(aha), error);
|
|
if (ccb->ccb_h.status == CAM_REQ_INPROG) {
|
|
xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
|
|
ccb->ccb_h.status = CAM_REQ_TOO_BIG|CAM_DEV_QFRZN;
|
|
}
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
if (nseg != 0) {
|
|
aha_sg_t *sg;
|
|
bus_dma_segment_t *end_seg;
|
|
bus_dmasync_op_t op;
|
|
|
|
end_seg = dm_segs + nseg;
|
|
|
|
/* Copy the segments into our SG list */
|
|
sg = accb->sg_list;
|
|
while (dm_segs < end_seg) {
|
|
ahautoa24(dm_segs->ds_len, sg->len);
|
|
ahautoa24(dm_segs->ds_addr, sg->addr);
|
|
sg++;
|
|
dm_segs++;
|
|
}
|
|
|
|
if (nseg > 1) {
|
|
accb->hccb.opcode = aha->ccb_sg_opcode;
|
|
ahautoa24((sizeof(aha_sg_t) * nseg),
|
|
accb->hccb.data_len);
|
|
ahautoa24(accb->sg_list_phys, accb->hccb.data_addr);
|
|
} else {
|
|
bcopy(accb->sg_list->len, accb->hccb.data_len, 3);
|
|
bcopy(accb->sg_list->addr, accb->hccb.data_addr, 3);
|
|
}
|
|
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
op = BUS_DMASYNC_PREREAD;
|
|
else
|
|
op = BUS_DMASYNC_PREWRITE;
|
|
|
|
bus_dmamap_sync(aha->buffer_dmat, accb->dmamap, op);
|
|
|
|
} else {
|
|
accb->hccb.opcode = INITIATOR_CCB;
|
|
ahautoa24(0, accb->hccb.data_len);
|
|
ahautoa24(0, accb->hccb.data_addr);
|
|
}
|
|
|
|
s = splcam();
|
|
|
|
/*
|
|
* Last time we need to check if this CCB needs to
|
|
* be aborted.
|
|
*/
|
|
if (ccb->ccb_h.status != CAM_REQ_INPROG) {
|
|
if (nseg != 0)
|
|
bus_dmamap_unload(aha->buffer_dmat, accb->dmamap);
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
accb->flags = ACCB_ACTIVE;
|
|
ccb->ccb_h.status |= CAM_SIM_QUEUED;
|
|
LIST_INSERT_HEAD(&aha->pending_ccbs, &ccb->ccb_h, sim_links.le);
|
|
|
|
ccb->ccb_h.timeout_ch =
|
|
timeout(ahatimeout, (caddr_t)accb,
|
|
(ccb->ccb_h.timeout * hz) / 1000);
|
|
|
|
/* Tell the adapter about this command */
|
|
if (aha->cur_outbox->action_code != AMBO_FREE) {
|
|
/*
|
|
* We should never encounter a busy mailbox.
|
|
* If we do, warn the user, and treat it as
|
|
* a resource shortage. If the controller is
|
|
* hung, one of the pending transactions will
|
|
* timeout causing us to start recovery operations.
|
|
*/
|
|
printf("%s: Encountered busy mailbox with %d out of %d "
|
|
"commands active!!!", aha_name(aha), aha->active_ccbs,
|
|
aha->max_ccbs);
|
|
untimeout(ahatimeout, accb, ccb->ccb_h.timeout_ch);
|
|
if (nseg != 0)
|
|
bus_dmamap_unload(aha->buffer_dmat, accb->dmamap);
|
|
ahafreeccb(aha, accb);
|
|
aha->resource_shortage = TRUE;
|
|
xpt_freeze_simq(aha->sim, /*count*/1);
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
paddr = ahaccbvtop(aha, accb);
|
|
ahautoa24(paddr, aha->cur_outbox->ccb_addr);
|
|
aha->cur_outbox->action_code = AMBO_START;
|
|
aha_outb(aha, COMMAND_REG, AOP_START_MBOX);
|
|
|
|
ahanextoutbox(aha);
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
aha_intr(void *arg)
|
|
{
|
|
struct aha_softc *aha;
|
|
u_int intstat;
|
|
|
|
aha = (struct aha_softc *)arg;
|
|
while (((intstat = aha_inb(aha, INTSTAT_REG)) & INTR_PENDING) != 0) {
|
|
if ((intstat & CMD_COMPLETE) != 0) {
|
|
aha->latched_status = aha_inb(aha, STATUS_REG);
|
|
aha->command_cmp = TRUE;
|
|
}
|
|
|
|
aha_outb(aha, CONTROL_REG, RESET_INTR);
|
|
|
|
if ((intstat & IMB_LOADED) != 0) {
|
|
while (aha->cur_inbox->comp_code != AMBI_FREE) {
|
|
u_int32_t paddr;
|
|
paddr = aha_a24tou(aha->cur_inbox->ccb_addr);
|
|
ahadone(aha,
|
|
ahaccbptov(aha, paddr),
|
|
aha->cur_inbox->comp_code);
|
|
aha->cur_inbox->comp_code = AMBI_FREE;
|
|
ahanextinbox(aha);
|
|
}
|
|
}
|
|
|
|
if ((intstat & SCSI_BUS_RESET) != 0) {
|
|
ahareset(aha, /*hardreset*/FALSE);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ahadone(struct aha_softc *aha, struct aha_ccb *accb, aha_mbi_comp_code_t comp_code)
|
|
{
|
|
union ccb *ccb;
|
|
struct ccb_scsiio *csio;
|
|
|
|
ccb = accb->ccb;
|
|
csio = &accb->ccb->csio;
|
|
|
|
if ((accb->flags & ACCB_ACTIVE) == 0) {
|
|
printf("%s: ahadone - Attempt to free non-active ACCB %p\n",
|
|
aha_name(aha), (void *)accb);
|
|
return;
|
|
}
|
|
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
|
|
bus_dmasync_op_t op;
|
|
|
|
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
|
|
op = BUS_DMASYNC_POSTREAD;
|
|
else
|
|
op = BUS_DMASYNC_POSTWRITE;
|
|
bus_dmamap_sync(aha->buffer_dmat, accb->dmamap, op);
|
|
bus_dmamap_unload(aha->buffer_dmat, accb->dmamap);
|
|
}
|
|
|
|
if (accb == aha->recovery_accb) {
|
|
/*
|
|
* The recovery ACCB does not have a CCB associated
|
|
* with it, so short circuit the normal error handling.
|
|
* We now traverse our list of pending CCBs and process
|
|
* any that were terminated by the recovery CCBs action.
|
|
* We also reinstate timeouts for all remaining, pending,
|
|
* CCBs.
|
|
*/
|
|
struct cam_path *path;
|
|
struct ccb_hdr *ccb_h;
|
|
cam_status error;
|
|
|
|
/* Notify all clients that a BDR occured */
|
|
error = xpt_create_path(&path, /*periph*/NULL,
|
|
cam_sim_path(aha->sim),
|
|
accb->hccb.target,
|
|
CAM_LUN_WILDCARD);
|
|
|
|
if (error == CAM_REQ_CMP)
|
|
xpt_async(AC_SENT_BDR, path, NULL);
|
|
|
|
ccb_h = LIST_FIRST(&aha->pending_ccbs);
|
|
while (ccb_h != NULL) {
|
|
struct aha_ccb *pending_accb;
|
|
|
|
pending_accb = (struct aha_ccb *)ccb_h->ccb_accb_ptr;
|
|
if (pending_accb->hccb.target == accb->hccb.target) {
|
|
pending_accb->hccb.ahastat = AHASTAT_HA_BDR;
|
|
ccb_h = LIST_NEXT(ccb_h, sim_links.le);
|
|
ahadone(aha, pending_accb, AMBI_ERROR);
|
|
} else {
|
|
ccb_h->timeout_ch =
|
|
timeout(ahatimeout, (caddr_t)pending_accb,
|
|
(ccb_h->timeout * hz) / 1000);
|
|
ccb_h = LIST_NEXT(ccb_h, sim_links.le);
|
|
}
|
|
}
|
|
printf("%s: No longer in timeout\n", aha_name(aha));
|
|
return;
|
|
}
|
|
|
|
untimeout(ahatimeout, accb, ccb->ccb_h.timeout_ch);
|
|
|
|
switch (comp_code) {
|
|
case AMBI_FREE:
|
|
printf("%s: ahadone - CCB completed with free status!\n",
|
|
aha_name(aha));
|
|
break;
|
|
case AMBI_NOT_FOUND:
|
|
printf("%s: ahadone - CCB Abort failed to find CCB\n",
|
|
aha_name(aha));
|
|
break;
|
|
case AMBI_ABORT:
|
|
case AMBI_ERROR:
|
|
/* An error occured */
|
|
if (accb->hccb.opcode < INITIATOR_CCB_WRESID)
|
|
csio->resid = 0;
|
|
else
|
|
csio->resid = aha_a24tou(accb->hccb.data_len);
|
|
switch(accb->hccb.ahastat) {
|
|
case AHASTAT_DATARUN_ERROR:
|
|
{
|
|
if (csio->resid <= 0) {
|
|
csio->ccb_h.status = CAM_DATA_RUN_ERR;
|
|
break;
|
|
}
|
|
/* FALLTHROUGH */
|
|
}
|
|
case AHASTAT_NOERROR:
|
|
csio->scsi_status = accb->hccb.sdstat;
|
|
csio->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
|
|
switch(csio->scsi_status) {
|
|
case SCSI_STATUS_CHECK_COND:
|
|
case SCSI_STATUS_CMD_TERMINATED:
|
|
csio->ccb_h.status |= CAM_AUTOSNS_VALID;
|
|
/*
|
|
* The aha writes the sense data at different
|
|
* offsets based on the scsi cmd len
|
|
*/
|
|
bcopy((caddr_t) &accb->hccb.scsi_cdb +
|
|
accb->hccb.cmd_len,
|
|
(caddr_t) &csio->sense_data,
|
|
accb->hccb.sense_len);
|
|
break;
|
|
default:
|
|
break;
|
|
case SCSI_STATUS_OK:
|
|
csio->ccb_h.status = CAM_REQ_CMP;
|
|
break;
|
|
}
|
|
break;
|
|
case AHASTAT_SELTIMEOUT:
|
|
csio->ccb_h.status = CAM_SEL_TIMEOUT;
|
|
break;
|
|
case AHASTAT_UNEXPECTED_BUSFREE:
|
|
csio->ccb_h.status = CAM_UNEXP_BUSFREE;
|
|
break;
|
|
case AHASTAT_INVALID_PHASE:
|
|
csio->ccb_h.status = CAM_SEQUENCE_FAIL;
|
|
break;
|
|
case AHASTAT_INVALID_ACTION_CODE:
|
|
panic("%s: Inavlid Action code", aha_name(aha));
|
|
break;
|
|
case AHASTAT_INVALID_OPCODE:
|
|
if (accb->hccb.opcode < INITIATOR_CCB_WRESID)
|
|
panic("%s: Invalid CCB Opcode %x hccb = %p",
|
|
aha_name(aha), accb->hccb.opcode,
|
|
&accb->hccb);
|
|
printf("%s: AHA-1540A detected, compensating\n",
|
|
aha_name(aha));
|
|
aha->ccb_sg_opcode = INITIATOR_SG_CCB;
|
|
aha->ccb_ccb_opcode = INITIATOR_CCB;
|
|
xpt_freeze_devq(ccb->ccb_h.path, /*count*/1);
|
|
csio->ccb_h.status = CAM_REQUEUE_REQ;
|
|
break;
|
|
case AHASTAT_LINKED_CCB_LUN_MISMATCH:
|
|
/* We don't even support linked commands... */
|
|
panic("%s: Linked CCB Lun Mismatch", aha_name(aha));
|
|
break;
|
|
case AHASTAT_INVALID_CCB_OR_SG_PARAM:
|
|
panic("%s: Invalid CCB or SG list", aha_name(aha));
|
|
break;
|
|
case AHASTAT_HA_SCSI_BUS_RESET:
|
|
if ((csio->ccb_h.status & CAM_STATUS_MASK)
|
|
!= CAM_CMD_TIMEOUT)
|
|
csio->ccb_h.status = CAM_SCSI_BUS_RESET;
|
|
break;
|
|
case AHASTAT_HA_BDR:
|
|
if ((accb->flags & ACCB_DEVICE_RESET) == 0)
|
|
csio->ccb_h.status = CAM_BDR_SENT;
|
|
else
|
|
csio->ccb_h.status = CAM_CMD_TIMEOUT;
|
|
break;
|
|
}
|
|
if (csio->ccb_h.status != CAM_REQ_CMP) {
|
|
xpt_freeze_devq(csio->ccb_h.path, /*count*/1);
|
|
csio->ccb_h.status |= CAM_DEV_QFRZN;
|
|
}
|
|
if ((accb->flags & ACCB_RELEASE_SIMQ) != 0)
|
|
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
break;
|
|
case AMBI_OK:
|
|
/* All completed without incident */
|
|
/* XXX DO WE NEED TO COPY SENSE BYTES HERE???? XXX */
|
|
/* I don't think so since it works???? */
|
|
ccb->ccb_h.status |= CAM_REQ_CMP;
|
|
if ((accb->flags & ACCB_RELEASE_SIMQ) != 0)
|
|
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
|
|
ahafreeccb(aha, accb);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
ahareset(struct aha_softc* aha, int hard_reset)
|
|
{
|
|
struct ccb_hdr *ccb_h;
|
|
u_int status;
|
|
u_int timeout;
|
|
u_int8_t reset_type;
|
|
|
|
if (hard_reset != 0)
|
|
reset_type = HARD_RESET;
|
|
else
|
|
reset_type = SOFT_RESET;
|
|
aha_outb(aha, CONTROL_REG, reset_type);
|
|
|
|
/* Wait 5sec. for Diagnostic start */
|
|
timeout = 5 * 10000;
|
|
while (--timeout) {
|
|
status = aha_inb(aha, STATUS_REG);
|
|
if ((status & DIAG_ACTIVE) != 0)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
if (timeout == 0) {
|
|
PRVERB(("%s: ahareset - Diagnostic Active failed to "
|
|
"assert. status = 0x%x\n", aha_name(aha),
|
|
status));
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
/* Wait 10sec. for Diagnostic end */
|
|
timeout = 10 * 10000;
|
|
while (--timeout) {
|
|
status = aha_inb(aha, STATUS_REG);
|
|
if ((status & DIAG_ACTIVE) == 0)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
if (timeout == 0) {
|
|
panic("%s: ahareset - Diagnostic Active failed to drop. "
|
|
"status = 0x%x\n", aha_name(aha), status);
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
/* Wait for the host adapter to become ready or report a failure */
|
|
timeout = 10000;
|
|
while (--timeout) {
|
|
status = aha_inb(aha, STATUS_REG);
|
|
if ((status & (DIAG_FAIL|HA_READY|DATAIN_REG_READY)) != 0)
|
|
break;
|
|
DELAY(100);
|
|
}
|
|
if (timeout == 0) {
|
|
printf("%s: ahareset - Host adapter failed to come ready. "
|
|
"status = 0x%x\n", aha_name(aha), status);
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
/* If the diagnostics failed, tell the user */
|
|
if ((status & DIAG_FAIL) != 0
|
|
|| (status & HA_READY) == 0) {
|
|
printf("%s: ahareset - Adapter failed diagnostics\n",
|
|
aha_name(aha));
|
|
|
|
if ((status & DATAIN_REG_READY) != 0)
|
|
printf("%s: ahareset - Host Adapter Error "
|
|
"code = 0x%x\n", aha_name(aha),
|
|
aha_inb(aha, DATAIN_REG));
|
|
return (ENXIO);
|
|
}
|
|
|
|
/* If we've allocated mailboxes, initialize them */
|
|
if (aha->init_level > 4)
|
|
ahainitmboxes(aha);
|
|
|
|
/* If we've attached to the XPT, tell it about the event */
|
|
if (aha->path != NULL)
|
|
xpt_async(AC_BUS_RESET, aha->path, NULL);
|
|
|
|
/*
|
|
* Perform completion processing for all outstanding CCBs.
|
|
*/
|
|
while ((ccb_h = LIST_FIRST(&aha->pending_ccbs)) != NULL) {
|
|
struct aha_ccb *pending_accb;
|
|
|
|
pending_accb = (struct aha_ccb *)ccb_h->ccb_accb_ptr;
|
|
pending_accb->hccb.ahastat = AHASTAT_HA_SCSI_BUS_RESET;
|
|
ahadone(aha, pending_accb, AMBI_ERROR);
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Send a command to the adapter.
|
|
*/
|
|
int
|
|
aha_cmd(struct aha_softc *aha, aha_op_t opcode, u_int8_t *params,
|
|
u_int param_len, u_int8_t *reply_data, u_int reply_len,
|
|
u_int cmd_timeout)
|
|
{
|
|
u_int timeout;
|
|
u_int status;
|
|
u_int saved_status;
|
|
u_int intstat;
|
|
u_int reply_buf_size;
|
|
int s;
|
|
int cmd_complete;
|
|
int error;
|
|
|
|
/* No data returned to start */
|
|
reply_buf_size = reply_len;
|
|
reply_len = 0;
|
|
intstat = 0;
|
|
cmd_complete = 0;
|
|
saved_status = 0;
|
|
error = 0;
|
|
|
|
/*
|
|
* All commands except for the "start mailbox" and the "enable
|
|
* outgoing mailbox read interrupt" commands cannot be issued
|
|
* while there are pending transactions. Freeze our SIMQ
|
|
* and wait for all completions to occur if necessary.
|
|
*/
|
|
timeout = 100000;
|
|
s = splcam();
|
|
while (LIST_FIRST(&aha->pending_ccbs) != NULL && --timeout) {
|
|
/* Fire the interrupt handler in case interrupts are blocked */
|
|
aha_intr(aha);
|
|
splx(s);
|
|
DELAY(100);
|
|
s = splcam();
|
|
}
|
|
splx(s);
|
|
|
|
if (timeout == 0) {
|
|
printf("%s: aha_cmd: Timeout waiting for adapter idle\n",
|
|
aha_name(aha));
|
|
return (ETIMEDOUT);
|
|
}
|
|
aha->command_cmp = 0;
|
|
/*
|
|
* Wait up to 10 sec. for the adapter to become
|
|
* ready to accept commands.
|
|
*/
|
|
timeout = 100000;
|
|
while (--timeout) {
|
|
|
|
status = aha_inb(aha, STATUS_REG);
|
|
if ((status & HA_READY) != 0
|
|
&& (status & CMD_REG_BUSY) == 0)
|
|
break;
|
|
/*
|
|
* Throw away any pending data which may be
|
|
* left over from earlier commands that we
|
|
* timedout on.
|
|
*/
|
|
if ((status & DATAIN_REG_READY) != 0)
|
|
(void)aha_inb(aha, DATAIN_REG);
|
|
DELAY(100);
|
|
}
|
|
if (timeout == 0) {
|
|
printf("%s: aha_cmd: Timeout waiting for adapter ready, "
|
|
"status = 0x%x\n", aha_name(aha), status);
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
/*
|
|
* Send the opcode followed by any necessary parameter bytes.
|
|
*/
|
|
aha_outb(aha, COMMAND_REG, opcode);
|
|
|
|
/*
|
|
* Wait for up to 1sec to get the parameter list sent
|
|
*/
|
|
timeout = 10000;
|
|
while (param_len && --timeout) {
|
|
DELAY(100);
|
|
s = splcam();
|
|
status = aha_inb(aha, STATUS_REG);
|
|
intstat = aha_inb(aha, INTSTAT_REG);
|
|
splx(s);
|
|
|
|
if ((intstat & (INTR_PENDING|CMD_COMPLETE))
|
|
== (INTR_PENDING|CMD_COMPLETE)) {
|
|
saved_status = status;
|
|
cmd_complete = 1;
|
|
break;
|
|
}
|
|
|
|
if (aha->command_cmp != 0) {
|
|
saved_status = aha->latched_status;
|
|
cmd_complete = 1;
|
|
break;
|
|
}
|
|
if ((status & DATAIN_REG_READY) != 0)
|
|
break;
|
|
if ((status & CMD_REG_BUSY) == 0) {
|
|
aha_outb(aha, COMMAND_REG, *params++);
|
|
param_len--;
|
|
timeout = 10000;
|
|
}
|
|
}
|
|
if (timeout == 0) {
|
|
printf("%s: aha_cmd: Timeout sending parameters, "
|
|
"status = 0x%x\n", aha_name(aha), status);
|
|
error = ETIMEDOUT;
|
|
}
|
|
|
|
/*
|
|
* For all other commands, we wait for any output data
|
|
* and the final comand completion interrupt.
|
|
*/
|
|
while (cmd_complete == 0 && --cmd_timeout) {
|
|
|
|
s = splcam();
|
|
status = aha_inb(aha, STATUS_REG);
|
|
intstat = aha_inb(aha, INTSTAT_REG);
|
|
splx(s);
|
|
|
|
if (aha->command_cmp != 0) {
|
|
cmd_complete = 1;
|
|
saved_status = aha->latched_status;
|
|
} else if ((intstat & (INTR_PENDING|CMD_COMPLETE))
|
|
== (INTR_PENDING|CMD_COMPLETE)) {
|
|
/*
|
|
* Our poll (in case interrupts are blocked)
|
|
* saw the CMD_COMPLETE interrupt.
|
|
*/
|
|
cmd_complete = 1;
|
|
saved_status = status;
|
|
}
|
|
if ((status & DATAIN_REG_READY) != 0) {
|
|
u_int8_t data;
|
|
|
|
data = aha_inb(aha, DATAIN_REG);
|
|
if (reply_len < reply_buf_size) {
|
|
*reply_data++ = data;
|
|
} else {
|
|
printf("%s: aha_cmd - Discarded reply data "
|
|
"byte for opcode 0x%x\n", aha_name(aha),
|
|
opcode);
|
|
}
|
|
/*
|
|
* Reset timeout to ensure at least a second
|
|
* between response bytes.
|
|
*/
|
|
cmd_timeout = MAX(cmd_timeout, 10000);
|
|
reply_len++;
|
|
}
|
|
DELAY(100);
|
|
}
|
|
if (cmd_timeout == 0) {
|
|
printf("%s: aha_cmd: Timeout waiting for reply data and "
|
|
"command complete.\n%s: status = 0x%x, intstat = 0x%x, "
|
|
"reply_len = %d\n", aha_name(aha), aha_name(aha), status,
|
|
intstat, reply_len);
|
|
return (ETIMEDOUT);
|
|
}
|
|
|
|
/*
|
|
* Clear any pending interrupts. Block interrupts so our
|
|
* interrupt handler is not re-entered.
|
|
*/
|
|
s = splcam();
|
|
aha_intr(aha);
|
|
splx(s);
|
|
|
|
if (error != 0)
|
|
return (error);
|
|
|
|
/*
|
|
* If the command was rejected by the controller, tell the caller.
|
|
*/
|
|
if ((saved_status & CMD_INVALID) != 0) {
|
|
PRVERB(("%s: Invalid Command 0x%x\n", aha_name(aha), opcode));
|
|
/*
|
|
* Some early adapters may not recover properly from
|
|
* an invalid command. If it appears that the controller
|
|
* has wedged (i.e. status was not cleared by our interrupt
|
|
* reset above), perform a soft reset.
|
|
*/
|
|
DELAY(1000);
|
|
status = aha_inb(aha, STATUS_REG);
|
|
if ((status & (CMD_INVALID|STATUS_REG_RSVD|DATAIN_REG_READY|
|
|
CMD_REG_BUSY|DIAG_FAIL|DIAG_ACTIVE)) != 0
|
|
|| (status & (HA_READY|INIT_REQUIRED))
|
|
!= (HA_READY|INIT_REQUIRED)) {
|
|
ahareset(aha, /*hard_reset*/FALSE);
|
|
}
|
|
return (EINVAL);
|
|
}
|
|
|
|
if (param_len > 0) {
|
|
/* The controller did not accept the full argument list */
|
|
PRVERB(("%s: Controller did not accept full argument list "
|
|
"(%d > 0)\n",
|
|
aha_name(aha), param_len));
|
|
return (E2BIG);
|
|
}
|
|
|
|
if (reply_len != reply_buf_size) {
|
|
/* Too much or too little data received */
|
|
PRVERB(("%s: Too much or too little data received (%d != %d)\n",
|
|
aha_name(aha), reply_len, reply_buf_size));
|
|
return (EMSGSIZE);
|
|
}
|
|
|
|
/* We were successful */
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
ahainitmboxes(struct aha_softc *aha)
|
|
{
|
|
int error;
|
|
init_24b_mbox_params_t init_mbox;
|
|
|
|
bzero(aha->in_boxes, sizeof(aha_mbox_in_t) * aha->num_boxes);
|
|
bzero(aha->out_boxes, sizeof(aha_mbox_out_t) * aha->num_boxes);
|
|
aha->cur_inbox = aha->in_boxes;
|
|
aha->last_inbox = aha->in_boxes + aha->num_boxes - 1;
|
|
aha->cur_outbox = aha->out_boxes;
|
|
aha->last_outbox = aha->out_boxes + aha->num_boxes - 1;
|
|
|
|
/* Tell the adapter about them */
|
|
init_mbox.num_mboxes = aha->num_boxes;
|
|
ahautoa24(aha->mailbox_physbase, init_mbox.base_addr);
|
|
error = aha_cmd(aha, AOP_INITIALIZE_MBOX, (u_int8_t *)&init_mbox,
|
|
/*parmlen*/sizeof(init_mbox), /*reply_buf*/NULL,
|
|
/*reply_len*/0, DEFAULT_CMD_TIMEOUT);
|
|
|
|
if (error != 0)
|
|
printf("ahainitmboxes: Initialization command failed\n");
|
|
return (error);
|
|
}
|
|
|
|
/*
|
|
* Update the XPT's idea of the negotiated transfer
|
|
* parameters for a particular target.
|
|
*/
|
|
static void
|
|
ahafetchtransinfo(struct aha_softc *aha, struct ccb_trans_settings* cts)
|
|
{
|
|
setup_data_t setup_info;
|
|
u_int target;
|
|
u_int targ_offset;
|
|
u_int sync_period;
|
|
int error;
|
|
u_int8_t param;
|
|
targ_syncinfo_t sync_info;
|
|
|
|
target = cts->ccb_h.target_id;
|
|
targ_offset = (target & 0x7);
|
|
|
|
/*
|
|
* Inquire Setup Information. This command retreives
|
|
* the sync info for older models.
|
|
*/
|
|
param = sizeof(setup_info);
|
|
error = aha_cmd(aha, AOP_INQUIRE_SETUP_INFO, ¶m, /*paramlen*/1,
|
|
(u_int8_t*)&setup_info, sizeof(setup_info),
|
|
DEFAULT_CMD_TIMEOUT);
|
|
|
|
if (error != 0) {
|
|
printf("%s: ahafetchtransinfo - Inquire Setup Info Failed %d\n",
|
|
aha_name(aha), error);
|
|
return;
|
|
}
|
|
|
|
sync_info = setup_info.syncinfo[targ_offset];
|
|
|
|
if (sync_info.sync == 0)
|
|
cts->sync_offset = 0;
|
|
else
|
|
cts->sync_offset = sync_info.offset;
|
|
|
|
cts->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
|
|
|
|
if (aha->boardid >= BOARD_1542CF)
|
|
sync_period = 1000;
|
|
else
|
|
sync_period = 2000;
|
|
sync_period += 500 * sync_info.period;
|
|
|
|
/* Convert ns value to standard SCSI sync rate */
|
|
if (cts->sync_offset != 0)
|
|
cts->sync_period = scsi_calc_syncparam(sync_period);
|
|
else
|
|
cts->sync_period = 0;
|
|
|
|
cts->valid = CCB_TRANS_SYNC_RATE_VALID
|
|
| CCB_TRANS_SYNC_OFFSET_VALID
|
|
| CCB_TRANS_BUS_WIDTH_VALID;
|
|
xpt_async(AC_TRANSFER_NEG, cts->ccb_h.path, cts);
|
|
}
|
|
|
|
static void
|
|
ahamapmboxes(void *arg, bus_dma_segment_t *segs, int nseg, int error)
|
|
{
|
|
struct aha_softc* aha;
|
|
|
|
aha = (struct aha_softc*)arg;
|
|
aha->mailbox_physbase = segs->ds_addr;
|
|
}
|
|
|
|
static void
|
|
ahamapccbs(void *arg, bus_dma_segment_t *segs, int nseg, int error)
|
|
{
|
|
struct aha_softc* aha;
|
|
|
|
aha = (struct aha_softc*)arg;
|
|
aha->aha_ccb_physbase = segs->ds_addr;
|
|
}
|
|
|
|
static void
|
|
ahamapsgs(void *arg, bus_dma_segment_t *segs, int nseg, int error)
|
|
{
|
|
|
|
struct aha_softc* aha;
|
|
|
|
aha = (struct aha_softc*)arg;
|
|
SLIST_FIRST(&aha->sg_maps)->sg_physaddr = segs->ds_addr;
|
|
}
|
|
|
|
static void
|
|
ahapoll(struct cam_sim *sim)
|
|
{
|
|
aha_intr(cam_sim_softc(sim));
|
|
}
|
|
|
|
static void
|
|
ahatimeout(void *arg)
|
|
{
|
|
struct aha_ccb *accb;
|
|
union ccb *ccb;
|
|
struct aha_softc *aha;
|
|
int s;
|
|
u_int32_t paddr;
|
|
|
|
accb = (struct aha_ccb *)arg;
|
|
ccb = accb->ccb;
|
|
aha = (struct aha_softc *)ccb->ccb_h.ccb_aha_ptr;
|
|
xpt_print_path(ccb->ccb_h.path);
|
|
printf("CCB %p - timed out\n", (void *)accb);
|
|
|
|
s = splcam();
|
|
|
|
if ((accb->flags & ACCB_ACTIVE) == 0) {
|
|
xpt_print_path(ccb->ccb_h.path);
|
|
printf("CCB %p - timed out CCB already completed\n",
|
|
(void *)accb);
|
|
splx(s);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* In order to simplify the recovery process, we ask the XPT
|
|
* layer to halt the queue of new transactions and we traverse
|
|
* the list of pending CCBs and remove their timeouts. This
|
|
* means that the driver attempts to clear only one error
|
|
* condition at a time. In general, timeouts that occur
|
|
* close together are related anyway, so there is no benefit
|
|
* in attempting to handle errors in parrallel. Timeouts will
|
|
* be reinstated when the recovery process ends.
|
|
*/
|
|
if ((accb->flags & ACCB_DEVICE_RESET) == 0) {
|
|
struct ccb_hdr *ccb_h;
|
|
|
|
if ((accb->flags & ACCB_RELEASE_SIMQ) == 0) {
|
|
xpt_freeze_simq(aha->sim, /*count*/1);
|
|
accb->flags |= ACCB_RELEASE_SIMQ;
|
|
}
|
|
|
|
ccb_h = LIST_FIRST(&aha->pending_ccbs);
|
|
while (ccb_h != NULL) {
|
|
struct aha_ccb *pending_accb;
|
|
|
|
pending_accb = (struct aha_ccb *)ccb_h->ccb_accb_ptr;
|
|
untimeout(ahatimeout, pending_accb, ccb_h->timeout_ch);
|
|
ccb_h = LIST_NEXT(ccb_h, sim_links.le);
|
|
}
|
|
}
|
|
|
|
if ((accb->flags & ACCB_DEVICE_RESET) != 0
|
|
|| aha->cur_outbox->action_code != AMBO_FREE) {
|
|
/*
|
|
* Try a full host adapter/SCSI bus reset.
|
|
* We do this only if we have already attempted
|
|
* to clear the condition with a BDR, or we cannot
|
|
* attempt a BDR for lack of mailbox resources.
|
|
*/
|
|
ccb->ccb_h.status = CAM_CMD_TIMEOUT;
|
|
ahareset(aha, /*hardreset*/TRUE);
|
|
printf("%s: No longer in timeout\n", aha_name(aha));
|
|
} else {
|
|
/*
|
|
* Send a Bus Device Reset message:
|
|
* The target that is holding up the bus may not
|
|
* be the same as the one that triggered this timeout
|
|
* (different commands have different timeout lengths),
|
|
* but we have no way of determining this from our
|
|
* timeout handler. Our strategy here is to queue a
|
|
* BDR message to the target of the timed out command.
|
|
* If this fails, we'll get another timeout 2 seconds
|
|
* later which will attempt a bus reset.
|
|
*/
|
|
accb->flags |= ACCB_DEVICE_RESET;
|
|
ccb->ccb_h.timeout_ch = timeout(ahatimeout, (caddr_t)accb, 2 * hz);
|
|
aha->recovery_accb->hccb.opcode = INITIATOR_BUS_DEV_RESET;
|
|
|
|
/* No Data Transfer */
|
|
aha->recovery_accb->hccb.datain = TRUE;
|
|
aha->recovery_accb->hccb.dataout = TRUE;
|
|
aha->recovery_accb->hccb.ahastat = 0;
|
|
aha->recovery_accb->hccb.sdstat = 0;
|
|
aha->recovery_accb->hccb.target = ccb->ccb_h.target_id;
|
|
|
|
/* Tell the adapter about this command */
|
|
paddr = ahaccbvtop(aha, aha->recovery_accb);
|
|
ahautoa24(paddr, aha->cur_outbox->ccb_addr);
|
|
aha->cur_outbox->action_code = AMBO_START;
|
|
aha_outb(aha, COMMAND_REG, AOP_START_MBOX);
|
|
ahanextoutbox(aha);
|
|
}
|
|
|
|
splx(s);
|
|
}
|
|
|
|
int
|
|
aha_detach(struct aha_softc *aha)
|
|
{
|
|
xpt_async(AC_LOST_DEVICE, aha->path, NULL);
|
|
xpt_free_path(aha->path);
|
|
xpt_bus_deregister(cam_sim_path(aha->sim));
|
|
cam_sim_free(aha->sim, /*free_devq*/TRUE);
|
|
return (0);
|
|
}
|