138ebd1b64
sys/dev/firewire/firewire.c: sys/dev/firewire/firewire.h: sys/dev/firewire/firewirereg.h: sys/dev/firewire/fwcrom.c: sys/dev/firewire/fwdev.c: sys/dev/firewire/fwdma.c: sys/dev/firewire/fwmem.c: sys/dev/firewire/fwohci.c: sys/dev/firewire/fwohci_pci.c: sys/dev/firewire/fwohcivar.h: sys/dev/firewire/if_fwe.c: sys/dev/firewire/if_fwip.c: sys/dev/firewire/sbp.c: sys/dev/firewire/sbp_targ.c: Unifdef the code, removing support for DragonflyBSD and FreeBSD prior to version 5. Submitted by: gibbs MFC after: 1 month Sponsored by: Spectra Logic MFSpectraBSD: 1081188 on 2014/08/01
2831 lines
69 KiB
C
2831 lines
69 KiB
C
/*-
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* Copyright (c) 2003 Hidetoshi Shimokawa
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* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetoshi Shimokawa
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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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the acknowledgement as bellow:
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*
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* This product includes software developed by K. Kobayashi and H. Shimokawa
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*
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* 4. 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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/sysctl.h>
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#include <machine/bus.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.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/cam_periph.h>
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#include <cam/scsi/scsi_all.h>
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#include <dev/firewire/firewire.h>
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#include <dev/firewire/firewirereg.h>
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#include <dev/firewire/fwdma.h>
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#include <dev/firewire/iec13213.h>
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#include <dev/firewire/sbp.h>
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#define ccb_sdev_ptr spriv_ptr0
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#define ccb_sbp_ptr spriv_ptr1
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#define SBP_NUM_TARGETS 8 /* MAX 64 */
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/*
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* Scan_bus doesn't work for more than 8 LUNs
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* because of CAM_SCSI2_MAXLUN in cam_xpt.c
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*/
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#define SBP_NUM_LUNS 64
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#define SBP_MAXPHYS MIN(MAXPHYS, (512*1024) /* 512KB */)
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#define SBP_DMA_SIZE PAGE_SIZE
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#define SBP_LOGIN_SIZE sizeof(struct sbp_login_res)
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#define SBP_QUEUE_LEN ((SBP_DMA_SIZE - SBP_LOGIN_SIZE) / sizeof(struct sbp_ocb))
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#define SBP_NUM_OCB (SBP_QUEUE_LEN * SBP_NUM_TARGETS)
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/*
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* STATUS FIFO addressing
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* bit
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* -----------------------
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* 0- 1( 2): 0 (alignment)
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* 2- 7( 6): target
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* 8-15( 8): lun
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* 16-31( 8): reserved
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* 32-47(16): SBP_BIND_HI
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* 48-64(16): bus_id, node_id
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*/
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#define SBP_BIND_HI 0x1
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#define SBP_DEV2ADDR(t, l) \
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(((u_int64_t)SBP_BIND_HI << 32) \
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| (((l) & 0xff) << 8) \
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| (((t) & 0x3f) << 2))
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#define SBP_ADDR2TRG(a) (((a) >> 2) & 0x3f)
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#define SBP_ADDR2LUN(a) (((a) >> 8) & 0xff)
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#define SBP_INITIATOR 7
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static char *orb_fun_name[] = {
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ORB_FUN_NAMES
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};
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static int debug = 0;
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static int auto_login = 1;
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static int max_speed = -1;
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static int sbp_cold = 1;
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static int ex_login = 1;
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static int login_delay = 1000; /* msec */
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static int scan_delay = 500; /* msec */
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static int use_doorbell = 0;
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static int sbp_tags = 0;
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SYSCTL_DECL(_hw_firewire);
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static SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0,
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"SBP-II Subsystem");
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SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RWTUN, &debug, 0,
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"SBP debug flag");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RWTUN, &auto_login, 0,
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"SBP perform login automatically");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, max_speed, CTLFLAG_RWTUN, &max_speed, 0,
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"SBP transfer max speed");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, exclusive_login, CTLFLAG_RWTUN,
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&ex_login, 0, "SBP enable exclusive login");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, login_delay, CTLFLAG_RWTUN,
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&login_delay, 0, "SBP login delay in msec");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, scan_delay, CTLFLAG_RWTUN,
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&scan_delay, 0, "SBP scan delay in msec");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, use_doorbell, CTLFLAG_RWTUN,
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&use_doorbell, 0, "SBP use doorbell request");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, tags, CTLFLAG_RWTUN, &sbp_tags, 0,
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"SBP tagged queuing support");
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#define NEED_RESPONSE 0
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#define SBP_SEG_MAX rounddown(0xffff, PAGE_SIZE)
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#ifdef __sparc64__ /* iommu */
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#define SBP_IND_MAX howmany(SBP_MAXPHYS, SBP_SEG_MAX)
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#else
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#define SBP_IND_MAX howmany(SBP_MAXPHYS, PAGE_SIZE)
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#endif
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struct sbp_ocb {
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STAILQ_ENTRY(sbp_ocb) ocb;
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union ccb *ccb;
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bus_addr_t bus_addr;
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uint32_t orb[8];
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#define IND_PTR_OFFSET (8*sizeof(uint32_t))
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struct ind_ptr ind_ptr[SBP_IND_MAX];
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struct sbp_dev *sdev;
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int flags; /* XXX should be removed */
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bus_dmamap_t dmamap;
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struct callout timer;
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};
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#define OCB_ACT_MGM 0
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#define OCB_ACT_CMD 1
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#define OCB_MATCH(o,s) ((o)->bus_addr == ntohl((s)->orb_lo))
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struct sbp_dev{
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#define SBP_DEV_RESET 0 /* accept login */
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#define SBP_DEV_LOGIN 1 /* to login */
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#if 0
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#define SBP_DEV_RECONN 2 /* to reconnect */
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#endif
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#define SBP_DEV_TOATTACH 3 /* to attach */
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#define SBP_DEV_PROBE 4 /* scan lun */
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#define SBP_DEV_ATTACHED 5 /* in operation */
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#define SBP_DEV_DEAD 6 /* unavailable unit */
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#define SBP_DEV_RETRY 7 /* unavailable unit */
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uint8_t status:4,
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timeout:4;
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uint8_t type;
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uint16_t lun_id;
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uint16_t freeze;
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#define ORB_LINK_DEAD (1 << 0)
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#define VALID_LUN (1 << 1)
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#define ORB_POINTER_ACTIVE (1 << 2)
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#define ORB_POINTER_NEED (1 << 3)
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#define ORB_DOORBELL_ACTIVE (1 << 4)
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#define ORB_DOORBELL_NEED (1 << 5)
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#define ORB_SHORTAGE (1 << 6)
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uint16_t flags;
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struct cam_path *path;
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struct sbp_target *target;
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struct fwdma_alloc dma;
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struct sbp_login_res *login;
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struct callout login_callout;
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struct sbp_ocb *ocb;
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STAILQ_HEAD(, sbp_ocb) ocbs;
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STAILQ_HEAD(, sbp_ocb) free_ocbs;
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struct sbp_ocb *last_ocb;
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char vendor[32];
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char product[32];
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char revision[10];
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char bustgtlun[32];
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};
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struct sbp_target {
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int target_id;
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int num_lun;
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struct sbp_dev **luns;
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struct sbp_softc *sbp;
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struct fw_device *fwdev;
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uint32_t mgm_hi, mgm_lo;
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struct sbp_ocb *mgm_ocb_cur;
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STAILQ_HEAD(, sbp_ocb) mgm_ocb_queue;
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struct callout mgm_ocb_timeout;
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struct callout scan_callout;
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STAILQ_HEAD(, fw_xfer) xferlist;
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int n_xfer;
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};
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struct sbp_softc {
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struct firewire_dev_comm fd;
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struct cam_sim *sim;
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struct cam_path *path;
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struct sbp_target targets[SBP_NUM_TARGETS];
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struct fw_bind fwb;
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bus_dma_tag_t dmat;
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struct timeval last_busreset;
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#define SIMQ_FREEZED 1
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int flags;
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struct mtx mtx;
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};
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#define SBP_LOCK(sbp) mtx_lock(&(sbp)->mtx)
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#define SBP_UNLOCK(sbp) mtx_unlock(&(sbp)->mtx)
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#define SBP_LOCK_ASSERT(sbp) mtx_assert(&(sbp)->mtx, MA_OWNED)
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static void sbp_post_explore (void *);
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static void sbp_recv (struct fw_xfer *);
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static void sbp_mgm_callback (struct fw_xfer *);
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#if 0
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static void sbp_cmd_callback (struct fw_xfer *);
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#endif
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static void sbp_orb_pointer (struct sbp_dev *, struct sbp_ocb *);
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static void sbp_doorbell(struct sbp_dev *);
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static void sbp_execute_ocb (void *, bus_dma_segment_t *, int, int);
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static void sbp_free_ocb (struct sbp_dev *, struct sbp_ocb *);
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static void sbp_abort_ocb (struct sbp_ocb *, int);
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static void sbp_abort_all_ocbs (struct sbp_dev *, int);
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static struct fw_xfer * sbp_write_cmd (struct sbp_dev *, int, int);
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static struct sbp_ocb * sbp_get_ocb (struct sbp_dev *);
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static struct sbp_ocb * sbp_enqueue_ocb (struct sbp_dev *, struct sbp_ocb *);
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static struct sbp_ocb * sbp_dequeue_ocb (struct sbp_dev *, struct sbp_status *);
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static void sbp_cam_detach_sdev(struct sbp_dev *);
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static void sbp_free_sdev(struct sbp_dev *);
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static void sbp_cam_detach_target (struct sbp_target *);
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static void sbp_free_target (struct sbp_target *);
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static void sbp_mgm_timeout (void *arg);
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static void sbp_timeout (void *arg);
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static void sbp_mgm_orb (struct sbp_dev *, int, struct sbp_ocb *);
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static MALLOC_DEFINE(M_SBP, "sbp", "SBP-II/FireWire");
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/* cam related functions */
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static void sbp_action(struct cam_sim *sim, union ccb *ccb);
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static void sbp_poll(struct cam_sim *sim);
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static void sbp_cam_scan_lun(struct cam_periph *, union ccb *);
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static void sbp_cam_scan_target(void *arg);
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static char *orb_status0[] = {
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/* 0 */ "No additional information to report",
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/* 1 */ "Request type not supported",
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/* 2 */ "Speed not supported",
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/* 3 */ "Page size not supported",
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/* 4 */ "Access denied",
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/* 5 */ "Logical unit not supported",
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/* 6 */ "Maximum payload too small",
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/* 7 */ "Reserved for future standardization",
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/* 8 */ "Resources unavailable",
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/* 9 */ "Function rejected",
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/* A */ "Login ID not recognized",
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/* B */ "Dummy ORB completed",
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/* C */ "Request aborted",
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/* FF */ "Unspecified error"
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#define MAX_ORB_STATUS0 0xd
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};
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static char *orb_status1_object[] = {
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/* 0 */ "Operation request block (ORB)",
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/* 1 */ "Data buffer",
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/* 2 */ "Page table",
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/* 3 */ "Unable to specify"
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};
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static char *orb_status1_serial_bus_error[] = {
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/* 0 */ "Missing acknowledge",
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/* 1 */ "Reserved; not to be used",
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/* 2 */ "Time-out error",
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/* 3 */ "Reserved; not to be used",
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/* 4 */ "Busy retry limit exceeded(X)",
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/* 5 */ "Busy retry limit exceeded(A)",
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/* 6 */ "Busy retry limit exceeded(B)",
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/* 7 */ "Reserved for future standardization",
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/* 8 */ "Reserved for future standardization",
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/* 9 */ "Reserved for future standardization",
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/* A */ "Reserved for future standardization",
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/* B */ "Tardy retry limit exceeded",
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/* C */ "Conflict error",
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/* D */ "Data error",
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/* E */ "Type error",
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/* F */ "Address error"
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};
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static void
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sbp_identify(driver_t *driver, device_t parent)
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{
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SBP_DEBUG(0)
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printf("sbp_identify\n");
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END_DEBUG
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if (device_find_child(parent, "sbp", -1) == NULL)
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BUS_ADD_CHILD(parent, 0, "sbp", -1);
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}
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/*
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* sbp_probe()
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*/
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static int
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sbp_probe(device_t dev)
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{
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SBP_DEBUG(0)
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printf("sbp_probe\n");
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END_DEBUG
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device_set_desc(dev, "SBP-2/SCSI over FireWire");
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#if 0
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if (bootverbose)
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debug = bootverbose;
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#endif
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return (0);
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}
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/*
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* Display device characteristics on the console
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*/
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static void
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sbp_show_sdev_info(struct sbp_dev *sdev)
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{
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struct fw_device *fwdev;
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fwdev = sdev->target->fwdev;
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device_printf(sdev->target->sbp->fd.dev,
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"%s: %s: ordered:%d type:%d EUI:%08x%08x node:%d "
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"speed:%d maxrec:%d\n",
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__func__,
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sdev->bustgtlun,
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(sdev->type & 0x40) >> 6,
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(sdev->type & 0x1f),
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fwdev->eui.hi,
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fwdev->eui.lo,
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fwdev->dst,
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fwdev->speed,
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fwdev->maxrec);
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device_printf(sdev->target->sbp->fd.dev,
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"%s: %s '%s' '%s' '%s'\n",
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__func__,
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sdev->bustgtlun,
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sdev->vendor,
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sdev->product,
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sdev->revision);
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}
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static struct {
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int bus;
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int target;
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struct fw_eui64 eui;
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} wired[] = {
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/* Bus Target EUI64 */
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#if 0
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{0, 2, {0x00018ea0, 0x01fd0154}}, /* Logitec HDD */
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{0, 0, {0x00018ea6, 0x00100682}}, /* Logitec DVD */
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{0, 1, {0x00d03200, 0xa412006a}}, /* Yano HDD */
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#endif
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{-1, -1, {0,0}}
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};
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static int
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sbp_new_target(struct sbp_softc *sbp, struct fw_device *fwdev)
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{
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int bus, i, target=-1;
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char w[SBP_NUM_TARGETS];
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bzero(w, sizeof(w));
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bus = device_get_unit(sbp->fd.dev);
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/* XXX wired-down configuration should be gotten from
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tunable or device hint */
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for (i = 0; wired[i].bus >= 0; i ++) {
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if (wired[i].bus == bus) {
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w[wired[i].target] = 1;
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if (wired[i].eui.hi == fwdev->eui.hi &&
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wired[i].eui.lo == fwdev->eui.lo)
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target = wired[i].target;
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}
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}
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if (target >= 0) {
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if(target < SBP_NUM_TARGETS &&
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sbp->targets[target].fwdev == NULL)
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return(target);
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device_printf(sbp->fd.dev,
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"target %d is not free for %08x:%08x\n",
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target, fwdev->eui.hi, fwdev->eui.lo);
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target = -1;
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}
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/* non-wired target */
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for (i = 0; i < SBP_NUM_TARGETS; i ++)
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if (sbp->targets[i].fwdev == NULL && w[i] == 0) {
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target = i;
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break;
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}
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return target;
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}
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static void
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sbp_alloc_lun(struct sbp_target *target)
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{
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struct crom_context cc;
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struct csrreg *reg;
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struct sbp_dev *sdev, **newluns;
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struct sbp_softc *sbp;
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int maxlun, lun, i;
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sbp = target->sbp;
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SBP_LOCK_ASSERT(sbp);
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crom_init_context(&cc, target->fwdev->csrrom);
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/* XXX shoud parse appropriate unit directories only */
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maxlun = -1;
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while (cc.depth >= 0) {
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reg = crom_search_key(&cc, CROM_LUN);
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if (reg == NULL)
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break;
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lun = reg->val & 0xffff;
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SBP_DEBUG(0)
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printf("target %d lun %d found\n", target->target_id, lun);
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END_DEBUG
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if (maxlun < lun)
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maxlun = lun;
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crom_next(&cc);
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}
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if (maxlun < 0)
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device_printf(target->sbp->fd.dev, "%d no LUN found\n",
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target->target_id);
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maxlun ++;
|
|
if (maxlun >= SBP_NUM_LUNS)
|
|
maxlun = SBP_NUM_LUNS;
|
|
|
|
/* Invalidiate stale devices */
|
|
for (lun = 0; lun < target->num_lun; lun ++) {
|
|
sdev = target->luns[lun];
|
|
if (sdev == NULL)
|
|
continue;
|
|
sdev->flags &= ~VALID_LUN;
|
|
if (lun >= maxlun) {
|
|
/* lost device */
|
|
sbp_cam_detach_sdev(sdev);
|
|
sbp_free_sdev(sdev);
|
|
target->luns[lun] = NULL;
|
|
}
|
|
}
|
|
|
|
/* Reallocate */
|
|
if (maxlun != target->num_lun) {
|
|
newluns = (struct sbp_dev **) realloc(target->luns,
|
|
sizeof(struct sbp_dev *) * maxlun,
|
|
M_SBP, M_NOWAIT | M_ZERO);
|
|
|
|
if (newluns == NULL) {
|
|
printf("%s: realloc failed\n", __func__);
|
|
newluns = target->luns;
|
|
maxlun = target->num_lun;
|
|
}
|
|
|
|
/*
|
|
* We must zero the extended region for the case
|
|
* realloc() doesn't allocate new buffer.
|
|
*/
|
|
if (maxlun > target->num_lun)
|
|
bzero(&newluns[target->num_lun],
|
|
sizeof(struct sbp_dev *) *
|
|
(maxlun - target->num_lun));
|
|
|
|
target->luns = newluns;
|
|
target->num_lun = maxlun;
|
|
}
|
|
|
|
crom_init_context(&cc, target->fwdev->csrrom);
|
|
while (cc.depth >= 0) {
|
|
int new = 0;
|
|
|
|
reg = crom_search_key(&cc, CROM_LUN);
|
|
if (reg == NULL)
|
|
break;
|
|
lun = reg->val & 0xffff;
|
|
if (lun >= SBP_NUM_LUNS) {
|
|
printf("too large lun %d\n", lun);
|
|
goto next;
|
|
}
|
|
|
|
sdev = target->luns[lun];
|
|
if (sdev == NULL) {
|
|
sdev = malloc(sizeof(struct sbp_dev),
|
|
M_SBP, M_NOWAIT | M_ZERO);
|
|
if (sdev == NULL) {
|
|
printf("%s: malloc failed\n", __func__);
|
|
goto next;
|
|
}
|
|
target->luns[lun] = sdev;
|
|
sdev->lun_id = lun;
|
|
sdev->target = target;
|
|
STAILQ_INIT(&sdev->ocbs);
|
|
callout_init_mtx(&sdev->login_callout, &sbp->mtx, 0);
|
|
sdev->status = SBP_DEV_RESET;
|
|
new = 1;
|
|
snprintf(sdev->bustgtlun, 32, "%s:%d:%d",
|
|
device_get_nameunit(sdev->target->sbp->fd.dev),
|
|
sdev->target->target_id,
|
|
sdev->lun_id);
|
|
}
|
|
sdev->flags |= VALID_LUN;
|
|
sdev->type = (reg->val & 0xff0000) >> 16;
|
|
|
|
if (new == 0)
|
|
goto next;
|
|
|
|
fwdma_malloc(sbp->fd.fc,
|
|
/* alignment */ sizeof(uint32_t),
|
|
SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT |
|
|
BUS_DMA_COHERENT);
|
|
if (sdev->dma.v_addr == NULL) {
|
|
printf("%s: dma space allocation failed\n",
|
|
__func__);
|
|
free(sdev, M_SBP);
|
|
target->luns[lun] = NULL;
|
|
goto next;
|
|
}
|
|
sdev->login = (struct sbp_login_res *) sdev->dma.v_addr;
|
|
sdev->ocb = (struct sbp_ocb *)
|
|
((char *)sdev->dma.v_addr + SBP_LOGIN_SIZE);
|
|
bzero((char *)sdev->ocb,
|
|
sizeof (struct sbp_ocb) * SBP_QUEUE_LEN);
|
|
|
|
STAILQ_INIT(&sdev->free_ocbs);
|
|
for (i = 0; i < SBP_QUEUE_LEN; i++) {
|
|
struct sbp_ocb *ocb;
|
|
ocb = &sdev->ocb[i];
|
|
ocb->bus_addr = sdev->dma.bus_addr
|
|
+ SBP_LOGIN_SIZE
|
|
+ sizeof(struct sbp_ocb) * i
|
|
+ offsetof(struct sbp_ocb, orb[0]);
|
|
if (bus_dmamap_create(sbp->dmat, 0, &ocb->dmamap)) {
|
|
printf("sbp_attach: cannot create dmamap\n");
|
|
/* XXX */
|
|
goto next;
|
|
}
|
|
callout_init_mtx(&ocb->timer, &sbp->mtx, 0);
|
|
sbp_free_ocb(sdev, ocb);
|
|
}
|
|
next:
|
|
crom_next(&cc);
|
|
}
|
|
|
|
for (lun = 0; lun < target->num_lun; lun ++) {
|
|
sdev = target->luns[lun];
|
|
if (sdev != NULL && (sdev->flags & VALID_LUN) == 0) {
|
|
sbp_cam_detach_sdev(sdev);
|
|
sbp_free_sdev(sdev);
|
|
target->luns[lun] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
static struct sbp_target *
|
|
sbp_alloc_target(struct sbp_softc *sbp, struct fw_device *fwdev)
|
|
{
|
|
int i;
|
|
struct sbp_target *target;
|
|
struct crom_context cc;
|
|
struct csrreg *reg;
|
|
|
|
SBP_DEBUG(1)
|
|
printf("sbp_alloc_target\n");
|
|
END_DEBUG
|
|
i = sbp_new_target(sbp, fwdev);
|
|
if (i < 0) {
|
|
device_printf(sbp->fd.dev, "increase SBP_NUM_TARGETS!\n");
|
|
return NULL;
|
|
}
|
|
/* new target */
|
|
target = &sbp->targets[i];
|
|
target->fwdev = fwdev;
|
|
target->target_id = i;
|
|
/* XXX we may want to reload mgm port after each bus reset */
|
|
/* XXX there might be multiple management agents */
|
|
crom_init_context(&cc, target->fwdev->csrrom);
|
|
reg = crom_search_key(&cc, CROM_MGM);
|
|
if (reg == NULL || reg->val == 0) {
|
|
printf("NULL management address\n");
|
|
target->fwdev = NULL;
|
|
return NULL;
|
|
}
|
|
target->mgm_hi = 0xffff;
|
|
target->mgm_lo = 0xf0000000 | (reg->val << 2);
|
|
target->mgm_ocb_cur = NULL;
|
|
SBP_DEBUG(1)
|
|
printf("target:%d mgm_port: %x\n", i, target->mgm_lo);
|
|
END_DEBUG
|
|
STAILQ_INIT(&target->xferlist);
|
|
target->n_xfer = 0;
|
|
STAILQ_INIT(&target->mgm_ocb_queue);
|
|
callout_init_mtx(&target->mgm_ocb_timeout, &sbp->mtx, 0);
|
|
callout_init_mtx(&target->scan_callout, &sbp->mtx, 0);
|
|
|
|
target->luns = NULL;
|
|
target->num_lun = 0;
|
|
return target;
|
|
}
|
|
|
|
static void
|
|
sbp_probe_lun(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_device *fwdev;
|
|
struct crom_context c, *cc = &c;
|
|
struct csrreg *reg;
|
|
|
|
bzero(sdev->vendor, sizeof(sdev->vendor));
|
|
bzero(sdev->product, sizeof(sdev->product));
|
|
|
|
fwdev = sdev->target->fwdev;
|
|
crom_init_context(cc, fwdev->csrrom);
|
|
/* get vendor string */
|
|
crom_search_key(cc, CSRKEY_VENDOR);
|
|
crom_next(cc);
|
|
crom_parse_text(cc, sdev->vendor, sizeof(sdev->vendor));
|
|
/* skip to the unit directory for SBP-2 */
|
|
while ((reg = crom_search_key(cc, CSRKEY_VER)) != NULL) {
|
|
if (reg->val == CSRVAL_T10SBP2)
|
|
break;
|
|
crom_next(cc);
|
|
}
|
|
/* get firmware revision */
|
|
reg = crom_search_key(cc, CSRKEY_FIRM_VER);
|
|
if (reg != NULL)
|
|
snprintf(sdev->revision, sizeof(sdev->revision),
|
|
"%06x", reg->val);
|
|
/* get product string */
|
|
crom_search_key(cc, CSRKEY_MODEL);
|
|
crom_next(cc);
|
|
crom_parse_text(cc, sdev->product, sizeof(sdev->product));
|
|
}
|
|
|
|
static void
|
|
sbp_login_callout(void *arg)
|
|
{
|
|
struct sbp_dev *sdev = (struct sbp_dev *)arg;
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
sbp_mgm_orb(sdev, ORB_FUN_LGI, NULL);
|
|
}
|
|
|
|
static void
|
|
sbp_login(struct sbp_dev *sdev)
|
|
{
|
|
struct timeval delta;
|
|
struct timeval t;
|
|
int ticks = 0;
|
|
|
|
microtime(&delta);
|
|
timevalsub(&delta, &sdev->target->sbp->last_busreset);
|
|
t.tv_sec = login_delay / 1000;
|
|
t.tv_usec = (login_delay % 1000) * 1000;
|
|
timevalsub(&t, &delta);
|
|
if (t.tv_sec >= 0 && t.tv_usec > 0)
|
|
ticks = (t.tv_sec * 1000 + t.tv_usec / 1000) * hz / 1000;
|
|
SBP_DEBUG(0)
|
|
printf("%s: sec = %jd usec = %ld ticks = %d\n", __func__,
|
|
(intmax_t)t.tv_sec, t.tv_usec, ticks);
|
|
END_DEBUG
|
|
callout_reset(&sdev->login_callout, ticks,
|
|
sbp_login_callout, (void *)(sdev));
|
|
}
|
|
|
|
#define SBP_FWDEV_ALIVE(fwdev) (((fwdev)->status == FWDEVATTACHED) \
|
|
&& crom_has_specver((fwdev)->csrrom, CSRVAL_ANSIT10, CSRVAL_T10SBP2))
|
|
|
|
static void
|
|
sbp_probe_target(void *arg)
|
|
{
|
|
struct sbp_target *target = (struct sbp_target *)arg;
|
|
struct sbp_softc *sbp = target->sbp;
|
|
struct sbp_dev *sdev;
|
|
int i, alive;
|
|
|
|
alive = SBP_FWDEV_ALIVE(target->fwdev);
|
|
SBP_DEBUG(1)
|
|
device_printf(sbp->fd.dev, "%s %d%salive\n",
|
|
__func__, target->target_id,
|
|
(!alive) ? " not " : "");
|
|
END_DEBUG
|
|
|
|
sbp = target->sbp;
|
|
SBP_LOCK_ASSERT(sbp);
|
|
sbp_alloc_lun(target);
|
|
|
|
/* XXX untimeout mgm_ocb and dequeue */
|
|
for (i=0; i < target->num_lun; i++) {
|
|
sdev = target->luns[i];
|
|
if (sdev == NULL)
|
|
continue;
|
|
if (alive && (sdev->status != SBP_DEV_DEAD)) {
|
|
if (sdev->path != NULL) {
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
}
|
|
sbp_probe_lun(sdev);
|
|
sbp_show_sdev_info(sdev);
|
|
|
|
sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
|
|
switch (sdev->status) {
|
|
case SBP_DEV_RESET:
|
|
/* new or revived target */
|
|
if (auto_login)
|
|
sbp_login(sdev);
|
|
break;
|
|
case SBP_DEV_TOATTACH:
|
|
case SBP_DEV_PROBE:
|
|
case SBP_DEV_ATTACHED:
|
|
case SBP_DEV_RETRY:
|
|
default:
|
|
sbp_mgm_orb(sdev, ORB_FUN_RCN, NULL);
|
|
break;
|
|
}
|
|
} else {
|
|
switch (sdev->status) {
|
|
case SBP_DEV_ATTACHED:
|
|
SBP_DEBUG(0)
|
|
/* the device has gone */
|
|
device_printf(sbp->fd.dev, "%s: lost target\n",
|
|
__func__);
|
|
END_DEBUG
|
|
if (sdev->path) {
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
}
|
|
sdev->status = SBP_DEV_RETRY;
|
|
sbp_cam_detach_sdev(sdev);
|
|
sbp_free_sdev(sdev);
|
|
target->luns[i] = NULL;
|
|
break;
|
|
case SBP_DEV_PROBE:
|
|
case SBP_DEV_TOATTACH:
|
|
sdev->status = SBP_DEV_RESET;
|
|
break;
|
|
case SBP_DEV_RETRY:
|
|
case SBP_DEV_RESET:
|
|
case SBP_DEV_DEAD:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_post_busreset(void *arg)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
|
|
sbp = (struct sbp_softc *)arg;
|
|
SBP_DEBUG(0)
|
|
printf("sbp_post_busreset\n");
|
|
END_DEBUG
|
|
SBP_LOCK(sbp);
|
|
if ((sbp->sim->flags & SIMQ_FREEZED) == 0) {
|
|
xpt_freeze_simq(sbp->sim, /*count*/1);
|
|
sbp->sim->flags |= SIMQ_FREEZED;
|
|
}
|
|
microtime(&sbp->last_busreset);
|
|
SBP_UNLOCK(sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_post_explore(void *arg)
|
|
{
|
|
struct sbp_softc *sbp = (struct sbp_softc *)arg;
|
|
struct sbp_target *target;
|
|
struct fw_device *fwdev;
|
|
int i, alive;
|
|
|
|
SBP_DEBUG(0)
|
|
printf("sbp_post_explore (sbp_cold=%d)\n", sbp_cold);
|
|
END_DEBUG
|
|
/* We need physical access */
|
|
if (!firewire_phydma_enable)
|
|
return;
|
|
|
|
if (sbp_cold > 0)
|
|
sbp_cold --;
|
|
|
|
SBP_LOCK(sbp);
|
|
#if 0
|
|
/*
|
|
* XXX don't let CAM the bus rest.
|
|
* CAM tries to do something with freezed (DEV_RETRY) devices.
|
|
*/
|
|
xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
|
|
#endif
|
|
|
|
/* Garbage Collection */
|
|
for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
|
|
target = &sbp->targets[i];
|
|
STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link)
|
|
if (target->fwdev == NULL || target->fwdev == fwdev)
|
|
break;
|
|
if (fwdev == NULL) {
|
|
/* device has removed in lower driver */
|
|
sbp_cam_detach_target(target);
|
|
sbp_free_target(target);
|
|
}
|
|
}
|
|
/* traverse device list */
|
|
STAILQ_FOREACH(fwdev, &sbp->fd.fc->devices, link) {
|
|
SBP_DEBUG(0)
|
|
device_printf(sbp->fd.dev,"%s:: EUI:%08x%08x %s attached, state=%d\n",
|
|
__func__, fwdev->eui.hi, fwdev->eui.lo,
|
|
(fwdev->status != FWDEVATTACHED) ? "not" : "",
|
|
fwdev->status);
|
|
END_DEBUG
|
|
alive = SBP_FWDEV_ALIVE(fwdev);
|
|
for(i = 0 ; i < SBP_NUM_TARGETS ; i ++){
|
|
target = &sbp->targets[i];
|
|
if(target->fwdev == fwdev ) {
|
|
/* known target */
|
|
break;
|
|
}
|
|
}
|
|
if(i == SBP_NUM_TARGETS){
|
|
if (alive) {
|
|
/* new target */
|
|
target = sbp_alloc_target(sbp, fwdev);
|
|
if (target == NULL)
|
|
continue;
|
|
} else {
|
|
continue;
|
|
}
|
|
}
|
|
sbp_probe_target((void *)target);
|
|
if (target->num_lun == 0)
|
|
sbp_free_target(target);
|
|
}
|
|
xpt_release_simq(sbp->sim, /*run queue*/TRUE);
|
|
sbp->sim->flags &= ~SIMQ_FREEZED;
|
|
SBP_UNLOCK(sbp);
|
|
}
|
|
|
|
#if NEED_RESPONSE
|
|
static void
|
|
sbp_loginres_callback(struct fw_xfer *xfer){
|
|
struct sbp_dev *sdev;
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,"%s\n", __func__);
|
|
END_DEBUG
|
|
/* recycle */
|
|
SBP_LOCK(sdev->target->sbp);
|
|
STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
static __inline void
|
|
sbp_xfer_free(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
fw_xfer_unload(xfer);
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
|
|
}
|
|
|
|
static void
|
|
sbp_reset_start_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *tsdev, *sdev = (struct sbp_dev *)xfer->sc;
|
|
struct sbp_target *target = sdev->target;
|
|
int i;
|
|
|
|
if (xfer->resp != 0) {
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s: %s failed: resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
|
|
}
|
|
|
|
SBP_LOCK(target->sbp);
|
|
for (i = 0; i < target->num_lun; i++) {
|
|
tsdev = target->luns[i];
|
|
if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
|
|
sbp_login(tsdev);
|
|
}
|
|
SBP_UNLOCK(target->sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_reset_start(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__,sdev->bustgtlun);
|
|
END_DEBUG
|
|
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
|
|
xfer->hand = sbp_reset_start_callback;
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqq.dest_hi = 0xffff;
|
|
fp->mode.wreqq.dest_lo = 0xf0000000 | RESET_START;
|
|
fp->mode.wreqq.data = htonl(0xf);
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
}
|
|
|
|
static void
|
|
sbp_mgm_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
int resp;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
resp = xfer->resp;
|
|
SBP_LOCK(sdev->target->sbp);
|
|
sbp_xfer_free(xfer);
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
}
|
|
|
|
static struct sbp_dev *
|
|
sbp_next_dev(struct sbp_target *target, int lun)
|
|
{
|
|
struct sbp_dev **sdevp;
|
|
int i;
|
|
|
|
for (i = lun, sdevp = &target->luns[lun]; i < target->num_lun;
|
|
i++, sdevp++)
|
|
if (*sdevp != NULL && (*sdevp)->status == SBP_DEV_PROBE)
|
|
return(*sdevp);
|
|
return(NULL);
|
|
}
|
|
|
|
#define SCAN_PRI 1
|
|
static void
|
|
sbp_cam_scan_lun(struct cam_periph *periph, union ccb *ccb)
|
|
{
|
|
struct sbp_target *target;
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = (struct sbp_dev *) ccb->ccb_h.ccb_sdev_ptr;
|
|
target = sdev->target;
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
|
|
sdev->status = SBP_DEV_ATTACHED;
|
|
} else {
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s failed\n", __func__, sdev->bustgtlun);
|
|
}
|
|
sdev = sbp_next_dev(target, sdev->lun_id + 1);
|
|
if (sdev == NULL) {
|
|
free(ccb, M_SBP);
|
|
return;
|
|
}
|
|
/* reuse ccb */
|
|
xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
|
|
ccb->ccb_h.ccb_sdev_ptr = sdev;
|
|
xpt_action(ccb);
|
|
xpt_release_devq(sdev->path, sdev->freeze, TRUE);
|
|
sdev->freeze = 1;
|
|
}
|
|
|
|
static void
|
|
sbp_cam_scan_target(void *arg)
|
|
{
|
|
struct sbp_target *target = (struct sbp_target *)arg;
|
|
struct sbp_dev *sdev;
|
|
union ccb *ccb;
|
|
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
sdev = sbp_next_dev(target, 0);
|
|
if (sdev == NULL) {
|
|
printf("sbp_cam_scan_target: nothing to do for target%d\n",
|
|
target->target_id);
|
|
return;
|
|
}
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
ccb = malloc(sizeof(union ccb), M_SBP, M_NOWAIT | M_ZERO);
|
|
if (ccb == NULL) {
|
|
printf("sbp_cam_scan_target: malloc failed\n");
|
|
return;
|
|
}
|
|
xpt_setup_ccb(&ccb->ccb_h, sdev->path, SCAN_PRI);
|
|
ccb->ccb_h.func_code = XPT_SCAN_LUN;
|
|
ccb->ccb_h.cbfcnp = sbp_cam_scan_lun;
|
|
ccb->ccb_h.flags |= CAM_DEV_QFREEZE;
|
|
ccb->crcn.flags = CAM_FLAG_NONE;
|
|
ccb->ccb_h.ccb_sdev_ptr = sdev;
|
|
|
|
/* The scan is in progress now. */
|
|
xpt_action(ccb);
|
|
xpt_release_devq(sdev->path, sdev->freeze, TRUE);
|
|
sdev->freeze = 1;
|
|
}
|
|
|
|
static __inline void
|
|
sbp_scan_dev(struct sbp_dev *sdev)
|
|
{
|
|
sdev->status = SBP_DEV_PROBE;
|
|
callout_reset(&sdev->target->scan_callout, scan_delay * hz / 1000,
|
|
sbp_cam_scan_target, (void *)sdev->target);
|
|
}
|
|
|
|
static void
|
|
sbp_do_attach(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
struct sbp_target *target;
|
|
struct sbp_softc *sbp;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
target = sdev->target;
|
|
sbp = target->sbp;
|
|
SBP_LOCK(sbp);
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
sbp_xfer_free(xfer);
|
|
|
|
if (sdev->path == NULL)
|
|
xpt_create_path(&sdev->path, NULL,
|
|
cam_sim_path(target->sbp->sim),
|
|
target->target_id, sdev->lun_id);
|
|
|
|
/*
|
|
* Let CAM scan the bus if we are in the boot process.
|
|
* XXX xpt_scan_bus cannot detect LUN larger than 0
|
|
* if LUN 0 doesn't exist.
|
|
*/
|
|
if (sbp_cold > 0) {
|
|
sdev->status = SBP_DEV_ATTACHED;
|
|
SBP_UNLOCK(sbp);
|
|
return;
|
|
}
|
|
|
|
sbp_scan_dev(sdev);
|
|
SBP_UNLOCK(sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_agent_reset_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s resp=%d\n", __func__, sdev->bustgtlun, xfer->resp);
|
|
}
|
|
|
|
SBP_LOCK(sdev->target->sbp);
|
|
sbp_xfer_free(xfer);
|
|
if (sdev->path) {
|
|
xpt_release_devq(sdev->path, sdev->freeze, TRUE);
|
|
sdev->freeze = 0;
|
|
}
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_agent_reset(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x04);
|
|
if (xfer == NULL)
|
|
return;
|
|
if (sdev->status == SBP_DEV_ATTACHED || sdev->status == SBP_DEV_PROBE)
|
|
xfer->hand = sbp_agent_reset_callback;
|
|
else
|
|
xfer->hand = sbp_do_attach;
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqq.data = htonl(0xf);
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
sbp_abort_all_ocbs(sdev, CAM_BDR_SENT);
|
|
}
|
|
|
|
static void
|
|
sbp_busy_timeout_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
SBP_LOCK(sdev->target->sbp);
|
|
sbp_xfer_free(xfer);
|
|
sbp_agent_reset(sdev);
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_busy_timeout(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_pkt *fp;
|
|
struct fw_xfer *xfer;
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
|
|
|
|
xfer->hand = sbp_busy_timeout_callback;
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqq.dest_hi = 0xffff;
|
|
fp->mode.wreqq.dest_lo = 0xf0000000 | BUSY_TIMEOUT;
|
|
fp->mode.wreqq.data = htonl((1 << (13+12)) | 0xf);
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
}
|
|
|
|
static void
|
|
sbp_orb_pointer_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
|
|
SBP_DEBUG(2)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
/* XXX */
|
|
printf("%s: xfer->resp = %d\n", __func__, xfer->resp);
|
|
}
|
|
SBP_LOCK(sdev->target->sbp);
|
|
sbp_xfer_free(xfer);
|
|
|
|
sdev->flags &= ~ORB_POINTER_ACTIVE;
|
|
|
|
if ((sdev->flags & ORB_POINTER_NEED) != 0) {
|
|
struct sbp_ocb *ocb;
|
|
|
|
sdev->flags &= ~ORB_POINTER_NEED;
|
|
ocb = STAILQ_FIRST(&sdev->ocbs);
|
|
if (ocb != NULL)
|
|
sbp_orb_pointer(sdev, ocb);
|
|
}
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
sbp_orb_pointer(struct sbp_dev *sdev, struct sbp_ocb *ocb)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s 0x%08x\n",
|
|
__func__, sdev->bustgtlun,
|
|
(uint32_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
|
|
if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
|
|
SBP_DEBUG(0)
|
|
printf("%s: orb pointer active\n", __func__);
|
|
END_DEBUG
|
|
sdev->flags |= ORB_POINTER_NEED;
|
|
return;
|
|
}
|
|
|
|
sdev->flags |= ORB_POINTER_ACTIVE;
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
|
|
if (xfer == NULL)
|
|
return;
|
|
xfer->hand = sbp_orb_pointer_callback;
|
|
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqb.len = 8;
|
|
fp->mode.wreqb.extcode = 0;
|
|
xfer->send.payload[0] =
|
|
htonl(((sdev->target->sbp->fd.fc->nodeid | FWLOCALBUS )<< 16));
|
|
xfer->send.payload[1] = htonl((uint32_t)ocb->bus_addr);
|
|
|
|
if (fw_asyreq(xfer->fc, -1, xfer) != 0) {
|
|
sbp_xfer_free(xfer);
|
|
ocb->ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ocb->ccb);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_doorbell_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
/* XXX */
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s: xfer->resp = %d\n", __func__, xfer->resp);
|
|
}
|
|
SBP_LOCK(sdev->target->sbp);
|
|
sbp_xfer_free(xfer);
|
|
sdev->flags &= ~ORB_DOORBELL_ACTIVE;
|
|
if ((sdev->flags & ORB_DOORBELL_NEED) != 0) {
|
|
sdev->flags &= ~ORB_DOORBELL_NEED;
|
|
sbp_doorbell(sdev);
|
|
}
|
|
SBP_UNLOCK(sdev->target->sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_doorbell(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
|
|
if ((sdev->flags & ORB_DOORBELL_ACTIVE) != 0) {
|
|
sdev->flags |= ORB_DOORBELL_NEED;
|
|
return;
|
|
}
|
|
sdev->flags |= ORB_DOORBELL_ACTIVE;
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
|
|
if (xfer == NULL)
|
|
return;
|
|
xfer->hand = sbp_doorbell_callback;
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqq.data = htonl(0xf);
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
}
|
|
|
|
static struct fw_xfer *
|
|
sbp_write_cmd(struct sbp_dev *sdev, int tcode, int offset)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
struct sbp_target *target;
|
|
int new = 0;
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
|
|
target = sdev->target;
|
|
xfer = STAILQ_FIRST(&target->xferlist);
|
|
if (xfer == NULL) {
|
|
if (target->n_xfer > 5 /* XXX */) {
|
|
printf("sbp: no more xfer for this target\n");
|
|
return(NULL);
|
|
}
|
|
xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
|
|
if(xfer == NULL){
|
|
printf("sbp: fw_xfer_alloc_buf failed\n");
|
|
return NULL;
|
|
}
|
|
target->n_xfer ++;
|
|
if (debug)
|
|
printf("sbp: alloc %d xfer\n", target->n_xfer);
|
|
new = 1;
|
|
} else {
|
|
STAILQ_REMOVE_HEAD(&target->xferlist, link);
|
|
}
|
|
|
|
if (new) {
|
|
xfer->recv.pay_len = 0;
|
|
xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
|
|
xfer->fc = sdev->target->sbp->fd.fc;
|
|
}
|
|
|
|
if (tcode == FWTCODE_WREQB)
|
|
xfer->send.pay_len = 8;
|
|
else
|
|
xfer->send.pay_len = 0;
|
|
|
|
xfer->sc = (caddr_t)sdev;
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqq.dest_hi = sdev->login->cmd_hi;
|
|
fp->mode.wreqq.dest_lo = sdev->login->cmd_lo + offset;
|
|
fp->mode.wreqq.tlrt = 0;
|
|
fp->mode.wreqq.tcode = tcode;
|
|
fp->mode.wreqq.pri = 0;
|
|
fp->mode.wreqq.dst = FWLOCALBUS | sdev->target->fwdev->dst;
|
|
|
|
return xfer;
|
|
}
|
|
|
|
static void
|
|
sbp_mgm_orb(struct sbp_dev *sdev, int func, struct sbp_ocb *aocb)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
struct sbp_ocb *ocb;
|
|
struct sbp_target *target;
|
|
int nid;
|
|
|
|
target = sdev->target;
|
|
nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
|
|
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
if (func == ORB_FUN_RUNQUEUE) {
|
|
ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
|
|
if (target->mgm_ocb_cur != NULL || ocb == NULL) {
|
|
return;
|
|
}
|
|
STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
|
|
goto start;
|
|
}
|
|
if ((ocb = sbp_get_ocb(sdev)) == NULL) {
|
|
/* XXX */
|
|
return;
|
|
}
|
|
ocb->flags = OCB_ACT_MGM;
|
|
ocb->sdev = sdev;
|
|
|
|
bzero((void *)ocb->orb, sizeof(ocb->orb));
|
|
ocb->orb[6] = htonl((nid << 16) | SBP_BIND_HI);
|
|
ocb->orb[7] = htonl(SBP_DEV2ADDR(target->target_id, sdev->lun_id));
|
|
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s %s\n",
|
|
__func__,sdev->bustgtlun,
|
|
orb_fun_name[(func>>16)&0xf]);
|
|
END_DEBUG
|
|
switch (func) {
|
|
case ORB_FUN_LGI:
|
|
ocb->orb[0] = ocb->orb[1] = 0; /* password */
|
|
ocb->orb[2] = htonl(nid << 16);
|
|
ocb->orb[3] = htonl(sdev->dma.bus_addr);
|
|
ocb->orb[4] = htonl(ORB_NOTIFY | sdev->lun_id);
|
|
if (ex_login)
|
|
ocb->orb[4] |= htonl(ORB_EXV);
|
|
ocb->orb[5] = htonl(SBP_LOGIN_SIZE);
|
|
fwdma_sync(&sdev->dma, BUS_DMASYNC_PREREAD);
|
|
break;
|
|
case ORB_FUN_ATA:
|
|
ocb->orb[0] = htonl((0 << 16) | 0);
|
|
ocb->orb[1] = htonl(aocb->bus_addr & 0xffffffff);
|
|
/* fall through */
|
|
case ORB_FUN_RCN:
|
|
case ORB_FUN_LGO:
|
|
case ORB_FUN_LUR:
|
|
case ORB_FUN_RST:
|
|
case ORB_FUN_ATS:
|
|
ocb->orb[4] = htonl(ORB_NOTIFY | func | sdev->login->id);
|
|
break;
|
|
}
|
|
|
|
if (target->mgm_ocb_cur != NULL) {
|
|
/* there is a standing ORB */
|
|
STAILQ_INSERT_TAIL(&sdev->target->mgm_ocb_queue, ocb, ocb);
|
|
return;
|
|
}
|
|
start:
|
|
target->mgm_ocb_cur = ocb;
|
|
|
|
callout_reset(&target->mgm_ocb_timeout, 5*hz,
|
|
sbp_mgm_timeout, (caddr_t)ocb);
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0);
|
|
if(xfer == NULL){
|
|
return;
|
|
}
|
|
xfer->hand = sbp_mgm_callback;
|
|
|
|
fp = &xfer->send.hdr;
|
|
fp->mode.wreqb.dest_hi = sdev->target->mgm_hi;
|
|
fp->mode.wreqb.dest_lo = sdev->target->mgm_lo;
|
|
fp->mode.wreqb.len = 8;
|
|
fp->mode.wreqb.extcode = 0;
|
|
xfer->send.payload[0] = htonl(nid << 16);
|
|
xfer->send.payload[1] = htonl(ocb->bus_addr & 0xffffffff);
|
|
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
}
|
|
|
|
static void
|
|
sbp_print_scsi_cmd(struct sbp_ocb *ocb)
|
|
{
|
|
struct ccb_scsiio *csio;
|
|
|
|
csio = &ocb->ccb->csio;
|
|
printf("%s:%d:%jx XPT_SCSI_IO: "
|
|
"cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
|
|
", flags: 0x%02x, "
|
|
"%db cmd/%db data/%db sense\n",
|
|
device_get_nameunit(ocb->sdev->target->sbp->fd.dev),
|
|
ocb->ccb->ccb_h.target_id,
|
|
(uintmax_t)ocb->ccb->ccb_h.target_lun,
|
|
csio->cdb_io.cdb_bytes[0],
|
|
csio->cdb_io.cdb_bytes[1],
|
|
csio->cdb_io.cdb_bytes[2],
|
|
csio->cdb_io.cdb_bytes[3],
|
|
csio->cdb_io.cdb_bytes[4],
|
|
csio->cdb_io.cdb_bytes[5],
|
|
csio->cdb_io.cdb_bytes[6],
|
|
csio->cdb_io.cdb_bytes[7],
|
|
csio->cdb_io.cdb_bytes[8],
|
|
csio->cdb_io.cdb_bytes[9],
|
|
ocb->ccb->ccb_h.flags & CAM_DIR_MASK,
|
|
csio->cdb_len, csio->dxfer_len,
|
|
csio->sense_len);
|
|
}
|
|
|
|
static void
|
|
sbp_scsi_status(struct sbp_status *sbp_status, struct sbp_ocb *ocb)
|
|
{
|
|
struct sbp_cmd_status *sbp_cmd_status;
|
|
struct scsi_sense_data_fixed *sense;
|
|
|
|
sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
|
|
sense = (struct scsi_sense_data_fixed *)&ocb->ccb->csio.sense_data;
|
|
|
|
SBP_DEBUG(0)
|
|
sbp_print_scsi_cmd(ocb);
|
|
/* XXX need decode status */
|
|
printf("%s: SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
|
|
ocb->sdev->bustgtlun,
|
|
sbp_cmd_status->status,
|
|
sbp_cmd_status->sfmt,
|
|
sbp_cmd_status->valid,
|
|
sbp_cmd_status->s_key,
|
|
sbp_cmd_status->s_code,
|
|
sbp_cmd_status->s_qlfr,
|
|
sbp_status->len);
|
|
END_DEBUG
|
|
|
|
switch (sbp_cmd_status->status) {
|
|
case SCSI_STATUS_CHECK_COND:
|
|
case SCSI_STATUS_BUSY:
|
|
case SCSI_STATUS_CMD_TERMINATED:
|
|
if(sbp_cmd_status->sfmt == SBP_SFMT_CURR){
|
|
sense->error_code = SSD_CURRENT_ERROR;
|
|
}else{
|
|
sense->error_code = SSD_DEFERRED_ERROR;
|
|
}
|
|
if(sbp_cmd_status->valid)
|
|
sense->error_code |= SSD_ERRCODE_VALID;
|
|
sense->flags = sbp_cmd_status->s_key;
|
|
if(sbp_cmd_status->mark)
|
|
sense->flags |= SSD_FILEMARK;
|
|
if(sbp_cmd_status->eom)
|
|
sense->flags |= SSD_EOM;
|
|
if(sbp_cmd_status->ill_len)
|
|
sense->flags |= SSD_ILI;
|
|
|
|
bcopy(&sbp_cmd_status->info, &sense->info[0], 4);
|
|
|
|
if (sbp_status->len <= 1)
|
|
/* XXX not scsi status. shouldn't be happened */
|
|
sense->extra_len = 0;
|
|
else if (sbp_status->len <= 4)
|
|
/* add_sense_code(_qual), info, cmd_spec_info */
|
|
sense->extra_len = 6;
|
|
else
|
|
/* fru, sense_key_spec */
|
|
sense->extra_len = 10;
|
|
|
|
bcopy(&sbp_cmd_status->cdb, &sense->cmd_spec_info[0], 4);
|
|
|
|
sense->add_sense_code = sbp_cmd_status->s_code;
|
|
sense->add_sense_code_qual = sbp_cmd_status->s_qlfr;
|
|
sense->fru = sbp_cmd_status->fru;
|
|
|
|
bcopy(&sbp_cmd_status->s_keydep[0],
|
|
&sense->sense_key_spec[0], 3);
|
|
|
|
ocb->ccb->csio.scsi_status = sbp_cmd_status->status;
|
|
ocb->ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR
|
|
| CAM_AUTOSNS_VALID;
|
|
/*
|
|
{
|
|
uint8_t j, *tmp;
|
|
tmp = sense;
|
|
for( j = 0 ; j < 32 ; j+=8){
|
|
printf("sense %02x%02x %02x%02x %02x%02x %02x%02x\n",
|
|
tmp[j], tmp[j+1], tmp[j+2], tmp[j+3],
|
|
tmp[j+4], tmp[j+5], tmp[j+6], tmp[j+7]);
|
|
}
|
|
|
|
}
|
|
*/
|
|
break;
|
|
default:
|
|
device_printf(ocb->sdev->target->sbp->fd.dev,
|
|
"%s:%s unknown scsi status 0x%x\n",
|
|
__func__, ocb->sdev->bustgtlun,
|
|
sbp_cmd_status->status);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_fix_inq_data(struct sbp_ocb *ocb)
|
|
{
|
|
union ccb *ccb;
|
|
struct sbp_dev *sdev;
|
|
struct scsi_inquiry_data *inq;
|
|
|
|
ccb = ocb->ccb;
|
|
sdev = ocb->sdev;
|
|
|
|
if (ccb->csio.cdb_io.cdb_bytes[1] & SI_EVPD)
|
|
return;
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s\n", __func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
inq = (struct scsi_inquiry_data *) ccb->csio.data_ptr;
|
|
switch (SID_TYPE(inq)) {
|
|
case T_DIRECT:
|
|
#if 0
|
|
/*
|
|
* XXX Convert Direct Access device to RBC.
|
|
* I've never seen FireWire DA devices which support READ_6.
|
|
*/
|
|
if (SID_TYPE(inq) == T_DIRECT)
|
|
inq->device |= T_RBC; /* T_DIRECT == 0 */
|
|
#endif
|
|
/* fall through */
|
|
case T_RBC:
|
|
/*
|
|
* Override vendor/product/revision information.
|
|
* Some devices sometimes return strange strings.
|
|
*/
|
|
#if 1
|
|
bcopy(sdev->vendor, inq->vendor, sizeof(inq->vendor));
|
|
bcopy(sdev->product, inq->product, sizeof(inq->product));
|
|
bcopy(sdev->revision+2, inq->revision, sizeof(inq->revision));
|
|
#endif
|
|
break;
|
|
}
|
|
/*
|
|
* Force to enable/disable tagged queuing.
|
|
* XXX CAM also checks SCP_QUEUE_DQUE flag in the control mode page.
|
|
*/
|
|
if (sbp_tags > 0)
|
|
inq->flags |= SID_CmdQue;
|
|
else if (sbp_tags < 0)
|
|
inq->flags &= ~SID_CmdQue;
|
|
|
|
}
|
|
|
|
static void
|
|
sbp_recv1(struct fw_xfer *xfer)
|
|
{
|
|
struct fw_pkt *rfp;
|
|
#if NEED_RESPONSE
|
|
struct fw_pkt *sfp;
|
|
#endif
|
|
struct sbp_softc *sbp;
|
|
struct sbp_dev *sdev;
|
|
struct sbp_ocb *ocb;
|
|
struct sbp_login_res *login_res = NULL;
|
|
struct sbp_status *sbp_status;
|
|
struct sbp_target *target;
|
|
int orb_fun, status_valid0, status_valid, t, l, reset_agent = 0;
|
|
uint32_t addr;
|
|
/*
|
|
uint32_t *ld;
|
|
ld = xfer->recv.buf;
|
|
printf("sbp %x %d %d %08x %08x %08x %08x\n",
|
|
xfer->resp, xfer->recv.len, xfer->recv.off, ntohl(ld[0]), ntohl(ld[1]), ntohl(ld[2]), ntohl(ld[3]));
|
|
printf("sbp %08x %08x %08x %08x\n", ntohl(ld[4]), ntohl(ld[5]), ntohl(ld[6]), ntohl(ld[7]));
|
|
printf("sbp %08x %08x %08x %08x\n", ntohl(ld[8]), ntohl(ld[9]), ntohl(ld[10]), ntohl(ld[11]));
|
|
*/
|
|
sbp = (struct sbp_softc *)xfer->sc;
|
|
SBP_LOCK_ASSERT(sbp);
|
|
if (xfer->resp != 0){
|
|
printf("sbp_recv: xfer->resp = %d\n", xfer->resp);
|
|
goto done0;
|
|
}
|
|
if (xfer->recv.payload == NULL){
|
|
printf("sbp_recv: xfer->recv.payload == NULL\n");
|
|
goto done0;
|
|
}
|
|
rfp = &xfer->recv.hdr;
|
|
if(rfp->mode.wreqb.tcode != FWTCODE_WREQB){
|
|
printf("sbp_recv: tcode = %d\n", rfp->mode.wreqb.tcode);
|
|
goto done0;
|
|
}
|
|
sbp_status = (struct sbp_status *)xfer->recv.payload;
|
|
addr = rfp->mode.wreqb.dest_lo;
|
|
SBP_DEBUG(2)
|
|
printf("received address 0x%x\n", addr);
|
|
END_DEBUG
|
|
t = SBP_ADDR2TRG(addr);
|
|
if (t >= SBP_NUM_TARGETS) {
|
|
device_printf(sbp->fd.dev,
|
|
"sbp_recv1: invalid target %d\n", t);
|
|
goto done0;
|
|
}
|
|
target = &sbp->targets[t];
|
|
l = SBP_ADDR2LUN(addr);
|
|
if (l >= target->num_lun || target->luns[l] == NULL) {
|
|
device_printf(sbp->fd.dev,
|
|
"sbp_recv1: invalid lun %d (target=%d)\n", l, t);
|
|
goto done0;
|
|
}
|
|
sdev = target->luns[l];
|
|
|
|
ocb = NULL;
|
|
switch (sbp_status->src) {
|
|
case 0:
|
|
case 1:
|
|
/* check mgm_ocb_cur first */
|
|
ocb = target->mgm_ocb_cur;
|
|
if (ocb != NULL) {
|
|
if (OCB_MATCH(ocb, sbp_status)) {
|
|
callout_stop(&target->mgm_ocb_timeout);
|
|
target->mgm_ocb_cur = NULL;
|
|
break;
|
|
}
|
|
}
|
|
ocb = sbp_dequeue_ocb(sdev, sbp_status);
|
|
if (ocb == NULL) {
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s No ocb(%x) on the queue\n",
|
|
__func__,sdev->bustgtlun,
|
|
ntohl(sbp_status->orb_lo));
|
|
}
|
|
break;
|
|
case 2:
|
|
/* unsolicit */
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s unsolicit status received\n",
|
|
__func__, sdev->bustgtlun);
|
|
break;
|
|
default:
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s unknown sbp_status->src\n",
|
|
__func__, sdev->bustgtlun);
|
|
}
|
|
|
|
status_valid0 = (sbp_status->src < 2
|
|
&& sbp_status->resp == ORB_RES_CMPL
|
|
&& sbp_status->dead == 0);
|
|
status_valid = (status_valid0 && sbp_status->status == 0);
|
|
|
|
if (!status_valid0 || debug > 2){
|
|
int status;
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s ORB status src:%x resp:%x dead:%x"
|
|
" len:%x stat:%x orb:%x%08x\n",
|
|
__func__, sdev->bustgtlun,
|
|
sbp_status->src, sbp_status->resp, sbp_status->dead,
|
|
sbp_status->len, sbp_status->status,
|
|
ntohs(sbp_status->orb_hi), ntohl(sbp_status->orb_lo));
|
|
END_DEBUG
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s\n", sdev->bustgtlun);
|
|
status = sbp_status->status;
|
|
switch(sbp_status->resp) {
|
|
case 0:
|
|
if (status > MAX_ORB_STATUS0)
|
|
printf("%s\n", orb_status0[MAX_ORB_STATUS0]);
|
|
else
|
|
printf("%s\n", orb_status0[status]);
|
|
break;
|
|
case 1:
|
|
printf("Obj: %s, Error: %s\n",
|
|
orb_status1_object[(status>>6) & 3],
|
|
orb_status1_serial_bus_error[status & 0xf]);
|
|
break;
|
|
case 2:
|
|
printf("Illegal request\n");
|
|
break;
|
|
case 3:
|
|
printf("Vendor dependent\n");
|
|
break;
|
|
default:
|
|
printf("unknown respose code %d\n", sbp_status->resp);
|
|
}
|
|
}
|
|
|
|
/* we have to reset the fetch agent if it's dead */
|
|
if (sbp_status->dead) {
|
|
if (sdev->path) {
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
}
|
|
reset_agent = 1;
|
|
}
|
|
|
|
if (ocb == NULL)
|
|
goto done;
|
|
|
|
switch(ntohl(ocb->orb[4]) & ORB_FMT_MSK){
|
|
case ORB_FMT_NOP:
|
|
break;
|
|
case ORB_FMT_VED:
|
|
break;
|
|
case ORB_FMT_STD:
|
|
switch(ocb->flags) {
|
|
case OCB_ACT_MGM:
|
|
orb_fun = ntohl(ocb->orb[4]) & ORB_FUN_MSK;
|
|
reset_agent = 0;
|
|
switch(orb_fun) {
|
|
case ORB_FUN_LGI:
|
|
fwdma_sync(&sdev->dma, BUS_DMASYNC_POSTREAD);
|
|
login_res = sdev->login;
|
|
login_res->len = ntohs(login_res->len);
|
|
login_res->id = ntohs(login_res->id);
|
|
login_res->cmd_hi = ntohs(login_res->cmd_hi);
|
|
login_res->cmd_lo = ntohl(login_res->cmd_lo);
|
|
if (status_valid) {
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n",
|
|
__func__, sdev->bustgtlun,
|
|
login_res->len, login_res->id,
|
|
login_res->cmd_hi, login_res->cmd_lo,
|
|
ntohs(login_res->recon_hold));
|
|
END_DEBUG
|
|
sbp_busy_timeout(sdev);
|
|
} else {
|
|
/* forgot logout? */
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s login failed\n",
|
|
__func__, sdev->bustgtlun);
|
|
sdev->status = SBP_DEV_RESET;
|
|
}
|
|
break;
|
|
case ORB_FUN_RCN:
|
|
login_res = sdev->login;
|
|
if (status_valid) {
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s reconnect: len %d, ID %d, cmd %08x%08x\n",
|
|
__func__, sdev->bustgtlun,
|
|
login_res->len, login_res->id,
|
|
login_res->cmd_hi, login_res->cmd_lo);
|
|
END_DEBUG
|
|
if (sdev->status == SBP_DEV_ATTACHED)
|
|
sbp_scan_dev(sdev);
|
|
else
|
|
sbp_agent_reset(sdev);
|
|
} else {
|
|
/* reconnection hold time exceed? */
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s reconnect failed\n",
|
|
__func__, sdev->bustgtlun);
|
|
END_DEBUG
|
|
sbp_login(sdev);
|
|
}
|
|
break;
|
|
case ORB_FUN_LGO:
|
|
sdev->status = SBP_DEV_RESET;
|
|
break;
|
|
case ORB_FUN_RST:
|
|
sbp_busy_timeout(sdev);
|
|
break;
|
|
case ORB_FUN_LUR:
|
|
case ORB_FUN_ATA:
|
|
case ORB_FUN_ATS:
|
|
sbp_agent_reset(sdev);
|
|
break;
|
|
default:
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s unknown function %d\n",
|
|
__func__, sdev->bustgtlun, orb_fun);
|
|
break;
|
|
}
|
|
sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
|
|
break;
|
|
case OCB_ACT_CMD:
|
|
sdev->timeout = 0;
|
|
if(ocb->ccb != NULL){
|
|
union ccb *ccb;
|
|
|
|
ccb = ocb->ccb;
|
|
if(sbp_status->len > 1){
|
|
sbp_scsi_status(sbp_status, ocb);
|
|
}else{
|
|
if(sbp_status->resp != ORB_RES_CMPL){
|
|
ccb->ccb_h.status = CAM_REQ_CMP_ERR;
|
|
}else{
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
}
|
|
}
|
|
/* fix up inq data */
|
|
if (ccb->csio.cdb_io.cdb_bytes[0] == INQUIRY)
|
|
sbp_fix_inq_data(ocb);
|
|
xpt_done(ccb);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!use_doorbell)
|
|
sbp_free_ocb(sdev, ocb);
|
|
done:
|
|
if (reset_agent)
|
|
sbp_agent_reset(sdev);
|
|
|
|
done0:
|
|
xfer->recv.pay_len = SBP_RECV_LEN;
|
|
/* The received packet is usually small enough to be stored within
|
|
* the buffer. In that case, the controller return ack_complete and
|
|
* no respose is necessary.
|
|
*
|
|
* XXX fwohci.c and firewire.c should inform event_code such as
|
|
* ack_complete or ack_pending to upper driver.
|
|
*/
|
|
#if NEED_RESPONSE
|
|
xfer->send.off = 0;
|
|
sfp = (struct fw_pkt *)xfer->send.buf;
|
|
sfp->mode.wres.dst = rfp->mode.wreqb.src;
|
|
xfer->dst = sfp->mode.wres.dst;
|
|
xfer->spd = min(sdev->target->fwdev->speed, max_speed);
|
|
xfer->hand = sbp_loginres_callback;
|
|
|
|
sfp->mode.wres.tlrt = rfp->mode.wreqb.tlrt;
|
|
sfp->mode.wres.tcode = FWTCODE_WRES;
|
|
sfp->mode.wres.rtcode = 0;
|
|
sfp->mode.wres.pri = 0;
|
|
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
#else
|
|
/* recycle */
|
|
STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
sbp_recv(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
|
|
sbp = (struct sbp_softc *)xfer->sc;
|
|
SBP_LOCK(sbp);
|
|
sbp_recv1(xfer);
|
|
SBP_UNLOCK(sbp);
|
|
}
|
|
/*
|
|
* sbp_attach()
|
|
*/
|
|
static int
|
|
sbp_attach(device_t dev)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
struct cam_devq *devq;
|
|
struct firewire_comm *fc;
|
|
int i, error;
|
|
|
|
if (DFLTPHYS > SBP_MAXPHYS)
|
|
device_printf(dev, "Warning, DFLTPHYS(%dKB) is larger than "
|
|
"SBP_MAXPHYS(%dKB).\n", DFLTPHYS / 1024,
|
|
SBP_MAXPHYS / 1024);
|
|
|
|
if (!firewire_phydma_enable)
|
|
device_printf(dev, "Warning, hw.firewire.phydma_enable must be 1 "
|
|
"for SBP over FireWire.\n");
|
|
SBP_DEBUG(0)
|
|
printf("sbp_attach (cold=%d)\n", cold);
|
|
END_DEBUG
|
|
|
|
if (cold)
|
|
sbp_cold ++;
|
|
sbp = device_get_softc(dev);
|
|
sbp->fd.dev = dev;
|
|
sbp->fd.fc = fc = device_get_ivars(dev);
|
|
mtx_init(&sbp->mtx, "sbp", NULL, MTX_DEF);
|
|
|
|
if (max_speed < 0)
|
|
max_speed = fc->speed;
|
|
|
|
error = bus_dma_tag_create(/*parent*/fc->dmat,
|
|
/* XXX shoud be 4 for sane backend? */
|
|
/*alignment*/1,
|
|
/*boundary*/0,
|
|
/*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
|
|
/*highaddr*/BUS_SPACE_MAXADDR,
|
|
/*filter*/NULL, /*filterarg*/NULL,
|
|
/*maxsize*/0x100000, /*nsegments*/SBP_IND_MAX,
|
|
/*maxsegsz*/SBP_SEG_MAX,
|
|
/*flags*/BUS_DMA_ALLOCNOW,
|
|
/*lockfunc*/busdma_lock_mutex,
|
|
/*lockarg*/&sbp->mtx,
|
|
&sbp->dmat);
|
|
if (error != 0) {
|
|
printf("sbp_attach: Could not allocate DMA tag "
|
|
"- error %d\n", error);
|
|
return (ENOMEM);
|
|
}
|
|
|
|
devq = cam_simq_alloc(/*maxopenings*/SBP_NUM_OCB);
|
|
if (devq == NULL)
|
|
return (ENXIO);
|
|
|
|
for( i = 0 ; i < SBP_NUM_TARGETS ; i++){
|
|
sbp->targets[i].fwdev = NULL;
|
|
sbp->targets[i].luns = NULL;
|
|
sbp->targets[i].sbp = sbp;
|
|
}
|
|
|
|
sbp->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
|
|
device_get_unit(dev),
|
|
&sbp->mtx,
|
|
/*untagged*/ 1,
|
|
/*tagged*/ SBP_QUEUE_LEN - 1,
|
|
devq);
|
|
|
|
if (sbp->sim == NULL) {
|
|
cam_simq_free(devq);
|
|
return (ENXIO);
|
|
}
|
|
|
|
SBP_LOCK(sbp);
|
|
if (xpt_bus_register(sbp->sim, dev, /*bus*/0) != CAM_SUCCESS)
|
|
goto fail;
|
|
|
|
if (xpt_create_path(&sbp->path, NULL, cam_sim_path(sbp->sim),
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_bus_deregister(cam_sim_path(sbp->sim));
|
|
goto fail;
|
|
}
|
|
SBP_UNLOCK(sbp);
|
|
|
|
/* We reserve 16 bit space (4 bytes X 64 targets X 256 luns) */
|
|
sbp->fwb.start = ((u_int64_t)SBP_BIND_HI << 32) | SBP_DEV2ADDR(0, 0);
|
|
sbp->fwb.end = sbp->fwb.start + 0xffff;
|
|
/* pre-allocate xfer */
|
|
STAILQ_INIT(&sbp->fwb.xferlist);
|
|
fw_xferlist_add(&sbp->fwb.xferlist, M_SBP,
|
|
/*send*/ 0, /*recv*/ SBP_RECV_LEN, SBP_NUM_OCB/2,
|
|
fc, (void *)sbp, sbp_recv);
|
|
|
|
fw_bindadd(fc, &sbp->fwb);
|
|
|
|
sbp->fd.post_busreset = sbp_post_busreset;
|
|
sbp->fd.post_explore = sbp_post_explore;
|
|
|
|
if (fc->status != -1) {
|
|
sbp_post_busreset((void *)sbp);
|
|
sbp_post_explore((void *)sbp);
|
|
}
|
|
SBP_LOCK(sbp);
|
|
xpt_async(AC_BUS_RESET, sbp->path, /*arg*/ NULL);
|
|
SBP_UNLOCK(sbp);
|
|
|
|
return (0);
|
|
fail:
|
|
SBP_UNLOCK(sbp);
|
|
cam_sim_free(sbp->sim, /*free_devq*/TRUE);
|
|
return (ENXIO);
|
|
}
|
|
|
|
static int
|
|
sbp_logout_all(struct sbp_softc *sbp)
|
|
{
|
|
struct sbp_target *target;
|
|
struct sbp_dev *sdev;
|
|
int i, j;
|
|
|
|
SBP_DEBUG(0)
|
|
printf("sbp_logout_all\n");
|
|
END_DEBUG
|
|
SBP_LOCK_ASSERT(sbp);
|
|
for (i = 0 ; i < SBP_NUM_TARGETS ; i ++) {
|
|
target = &sbp->targets[i];
|
|
if (target->luns == NULL)
|
|
continue;
|
|
for (j = 0; j < target->num_lun; j++) {
|
|
sdev = target->luns[j];
|
|
if (sdev == NULL)
|
|
continue;
|
|
callout_stop(&sdev->login_callout);
|
|
if (sdev->status >= SBP_DEV_TOATTACH &&
|
|
sdev->status <= SBP_DEV_ATTACHED)
|
|
sbp_mgm_orb(sdev, ORB_FUN_LGO, NULL);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
sbp_shutdown(device_t dev)
|
|
{
|
|
struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
|
|
|
|
SBP_LOCK(sbp);
|
|
sbp_logout_all(sbp);
|
|
SBP_UNLOCK(sbp);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
sbp_free_sdev(struct sbp_dev *sdev)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
int i;
|
|
|
|
if (sdev == NULL)
|
|
return;
|
|
sbp = sdev->target->sbp;
|
|
SBP_UNLOCK(sbp);
|
|
callout_drain(&sdev->login_callout);
|
|
for (i = 0; i < SBP_QUEUE_LEN; i++) {
|
|
callout_drain(&sdev->ocb[i].timer);
|
|
bus_dmamap_destroy(sbp->dmat, sdev->ocb[i].dmamap);
|
|
}
|
|
fwdma_free(sbp->fd.fc, &sdev->dma);
|
|
free(sdev, M_SBP);
|
|
SBP_LOCK(sbp);
|
|
}
|
|
|
|
static void
|
|
sbp_free_target(struct sbp_target *target)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
struct fw_xfer *xfer, *next;
|
|
int i;
|
|
|
|
if (target->luns == NULL)
|
|
return;
|
|
sbp = target->sbp;
|
|
SBP_LOCK_ASSERT(sbp);
|
|
SBP_UNLOCK(sbp);
|
|
callout_drain(&target->mgm_ocb_timeout);
|
|
callout_drain(&target->scan_callout);
|
|
SBP_LOCK(sbp);
|
|
for (i = 0; i < target->num_lun; i++)
|
|
sbp_free_sdev(target->luns[i]);
|
|
|
|
STAILQ_FOREACH_SAFE(xfer, &target->xferlist, link, next) {
|
|
fw_xfer_free_buf(xfer);
|
|
}
|
|
STAILQ_INIT(&target->xferlist);
|
|
free(target->luns, M_SBP);
|
|
target->num_lun = 0;
|
|
target->luns = NULL;
|
|
target->fwdev = NULL;
|
|
}
|
|
|
|
static int
|
|
sbp_detach(device_t dev)
|
|
{
|
|
struct sbp_softc *sbp = ((struct sbp_softc *)device_get_softc(dev));
|
|
struct firewire_comm *fc = sbp->fd.fc;
|
|
int i;
|
|
|
|
SBP_DEBUG(0)
|
|
printf("sbp_detach\n");
|
|
END_DEBUG
|
|
|
|
SBP_LOCK(sbp);
|
|
for (i = 0; i < SBP_NUM_TARGETS; i ++)
|
|
sbp_cam_detach_target(&sbp->targets[i]);
|
|
|
|
xpt_async(AC_LOST_DEVICE, sbp->path, NULL);
|
|
xpt_free_path(sbp->path);
|
|
xpt_bus_deregister(cam_sim_path(sbp->sim));
|
|
cam_sim_free(sbp->sim, /*free_devq*/ TRUE);
|
|
|
|
sbp_logout_all(sbp);
|
|
SBP_UNLOCK(sbp);
|
|
|
|
/* XXX wait for logout completion */
|
|
pause("sbpdtc", hz/2);
|
|
|
|
SBP_LOCK(sbp);
|
|
for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
|
|
sbp_free_target(&sbp->targets[i]);
|
|
SBP_UNLOCK(sbp);
|
|
|
|
fw_bindremove(fc, &sbp->fwb);
|
|
fw_xferlist_remove(&sbp->fwb.xferlist);
|
|
|
|
bus_dma_tag_destroy(sbp->dmat);
|
|
mtx_destroy(&sbp->mtx);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
sbp_cam_detach_sdev(struct sbp_dev *sdev)
|
|
{
|
|
if (sdev == NULL)
|
|
return;
|
|
if (sdev->status == SBP_DEV_DEAD)
|
|
return;
|
|
if (sdev->status == SBP_DEV_RESET)
|
|
return;
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
|
|
if (sdev->path) {
|
|
xpt_release_devq(sdev->path,
|
|
sdev->freeze, TRUE);
|
|
sdev->freeze = 0;
|
|
xpt_async(AC_LOST_DEVICE, sdev->path, NULL);
|
|
xpt_free_path(sdev->path);
|
|
sdev->path = NULL;
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_cam_detach_target(struct sbp_target *target)
|
|
{
|
|
int i;
|
|
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
if (target->luns != NULL) {
|
|
SBP_DEBUG(0)
|
|
printf("sbp_detach_target %d\n", target->target_id);
|
|
END_DEBUG
|
|
callout_stop(&target->scan_callout);
|
|
for (i = 0; i < target->num_lun; i++)
|
|
sbp_cam_detach_sdev(target->luns[i]);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_target_reset(struct sbp_dev *sdev, int method)
|
|
{
|
|
int i;
|
|
struct sbp_target *target = sdev->target;
|
|
struct sbp_dev *tsdev;
|
|
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
for (i = 0; i < target->num_lun; i++) {
|
|
tsdev = target->luns[i];
|
|
if (tsdev == NULL)
|
|
continue;
|
|
if (tsdev->status == SBP_DEV_DEAD)
|
|
continue;
|
|
if (tsdev->status == SBP_DEV_RESET)
|
|
continue;
|
|
xpt_freeze_devq(tsdev->path, 1);
|
|
tsdev->freeze ++;
|
|
sbp_abort_all_ocbs(tsdev, CAM_CMD_TIMEOUT);
|
|
if (method == 2)
|
|
tsdev->status = SBP_DEV_LOGIN;
|
|
}
|
|
switch(method) {
|
|
case 1:
|
|
printf("target reset\n");
|
|
sbp_mgm_orb(sdev, ORB_FUN_RST, NULL);
|
|
break;
|
|
case 2:
|
|
printf("reset start\n");
|
|
sbp_reset_start(sdev);
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
static void
|
|
sbp_mgm_timeout(void *arg)
|
|
{
|
|
struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
|
|
struct sbp_dev *sdev = ocb->sdev;
|
|
struct sbp_target *target = sdev->target;
|
|
|
|
SBP_LOCK_ASSERT(target->sbp);
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s request timeout(mgm orb:0x%08x)\n",
|
|
__func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
|
|
target->mgm_ocb_cur = NULL;
|
|
sbp_free_ocb(sdev, ocb);
|
|
#if 0
|
|
/* XXX */
|
|
printf("run next request\n");
|
|
sbp_mgm_orb(sdev, ORB_FUN_RUNQUEUE, NULL);
|
|
#endif
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s reset start\n",
|
|
__func__, sdev->bustgtlun);
|
|
sbp_reset_start(sdev);
|
|
}
|
|
|
|
static void
|
|
sbp_timeout(void *arg)
|
|
{
|
|
struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
|
|
struct sbp_dev *sdev = ocb->sdev;
|
|
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s request timeout(cmd orb:0x%08x) ... ",
|
|
__func__, sdev->bustgtlun, (uint32_t)ocb->bus_addr);
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
sdev->timeout ++;
|
|
switch(sdev->timeout) {
|
|
case 1:
|
|
printf("agent reset\n");
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
sbp_abort_all_ocbs(sdev, CAM_CMD_TIMEOUT);
|
|
sbp_agent_reset(sdev);
|
|
break;
|
|
case 2:
|
|
case 3:
|
|
sbp_target_reset(sdev, sdev->timeout - 1);
|
|
break;
|
|
#if 0
|
|
default:
|
|
/* XXX give up */
|
|
sbp_cam_detach_target(target);
|
|
if (target->luns != NULL)
|
|
free(target->luns, M_SBP);
|
|
target->num_lun = 0;
|
|
target->luns = NULL;
|
|
target->fwdev = NULL;
|
|
#endif
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_action(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
|
|
struct sbp_softc *sbp = (struct sbp_softc *)sim->softc;
|
|
struct sbp_target *target = NULL;
|
|
struct sbp_dev *sdev = NULL;
|
|
|
|
if (sbp != NULL)
|
|
SBP_LOCK_ASSERT(sbp);
|
|
/* target:lun -> sdev mapping */
|
|
if (sbp != NULL
|
|
&& ccb->ccb_h.target_id != CAM_TARGET_WILDCARD
|
|
&& ccb->ccb_h.target_id < SBP_NUM_TARGETS) {
|
|
target = &sbp->targets[ccb->ccb_h.target_id];
|
|
if (target->fwdev != NULL
|
|
&& ccb->ccb_h.target_lun != CAM_LUN_WILDCARD
|
|
&& ccb->ccb_h.target_lun < target->num_lun) {
|
|
sdev = target->luns[ccb->ccb_h.target_lun];
|
|
if (sdev != NULL && sdev->status != SBP_DEV_ATTACHED &&
|
|
sdev->status != SBP_DEV_PROBE)
|
|
sdev = NULL;
|
|
}
|
|
}
|
|
|
|
SBP_DEBUG(1)
|
|
if (sdev == NULL)
|
|
printf("invalid target %d lun %jx\n",
|
|
ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
|
|
END_DEBUG
|
|
|
|
switch (ccb->ccb_h.func_code) {
|
|
case XPT_SCSI_IO:
|
|
case XPT_RESET_DEV:
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
case XPT_CALC_GEOMETRY:
|
|
if (sdev == NULL) {
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%jx:func_code 0x%04x: "
|
|
"Invalid target (target needed)\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id,
|
|
(uintmax_t)ccb->ccb_h.target_lun,
|
|
ccb->ccb_h.func_code);
|
|
END_DEBUG
|
|
|
|
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
break;
|
|
case XPT_PATH_INQ:
|
|
case XPT_NOOP:
|
|
/* The opcodes sometimes aimed at a target (sc is valid),
|
|
* sometimes aimed at the SIM (sc is invalid and target is
|
|
* CAM_TARGET_WILDCARD)
|
|
*/
|
|
if (sbp == NULL &&
|
|
ccb->ccb_h.target_id != CAM_TARGET_WILDCARD) {
|
|
SBP_DEBUG(0)
|
|
printf("%s:%d:%jx func_code 0x%04x: "
|
|
"Invalid target (no wildcard)\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id,
|
|
(uintmax_t)ccb->ccb_h.target_lun,
|
|
ccb->ccb_h.func_code);
|
|
END_DEBUG
|
|
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
break;
|
|
default:
|
|
/* XXX Hm, we should check the input parameters */
|
|
break;
|
|
}
|
|
|
|
switch (ccb->ccb_h.func_code) {
|
|
case XPT_SCSI_IO:
|
|
{
|
|
struct ccb_scsiio *csio;
|
|
struct sbp_ocb *ocb;
|
|
int speed;
|
|
void *cdb;
|
|
|
|
csio = &ccb->csio;
|
|
mtx_assert(sim->mtx, MA_OWNED);
|
|
|
|
SBP_DEBUG(2)
|
|
printf("%s:%d:%jx XPT_SCSI_IO: "
|
|
"cmd: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x"
|
|
", flags: 0x%02x, "
|
|
"%db cmd/%db data/%db sense\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
|
|
csio->cdb_io.cdb_bytes[0],
|
|
csio->cdb_io.cdb_bytes[1],
|
|
csio->cdb_io.cdb_bytes[2],
|
|
csio->cdb_io.cdb_bytes[3],
|
|
csio->cdb_io.cdb_bytes[4],
|
|
csio->cdb_io.cdb_bytes[5],
|
|
csio->cdb_io.cdb_bytes[6],
|
|
csio->cdb_io.cdb_bytes[7],
|
|
csio->cdb_io.cdb_bytes[8],
|
|
csio->cdb_io.cdb_bytes[9],
|
|
ccb->ccb_h.flags & CAM_DIR_MASK,
|
|
csio->cdb_len, csio->dxfer_len,
|
|
csio->sense_len);
|
|
END_DEBUG
|
|
if(sdev == NULL){
|
|
ccb->ccb_h.status = CAM_DEV_NOT_THERE;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
#if 0
|
|
/* if we are in probe stage, pass only probe commands */
|
|
if (sdev->status == SBP_DEV_PROBE) {
|
|
char *name;
|
|
name = xpt_path_periph(ccb->ccb_h.path)->periph_name;
|
|
printf("probe stage, periph name: %s\n", name);
|
|
if (strcmp(name, "probe") != 0) {
|
|
ccb->ccb_h.status = CAM_REQUEUE_REQ;
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
}
|
|
#endif
|
|
if ((ocb = sbp_get_ocb(sdev)) == NULL) {
|
|
ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
|
|
if (sdev->freeze == 0) {
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
}
|
|
xpt_done(ccb);
|
|
return;
|
|
}
|
|
|
|
ocb->flags = OCB_ACT_CMD;
|
|
ocb->sdev = sdev;
|
|
ocb->ccb = ccb;
|
|
ccb->ccb_h.ccb_sdev_ptr = sdev;
|
|
ocb->orb[0] = htonl(1U << 31);
|
|
ocb->orb[1] = 0;
|
|
ocb->orb[2] = htonl(((sbp->fd.fc->nodeid | FWLOCALBUS )<< 16) );
|
|
ocb->orb[3] = htonl(ocb->bus_addr + IND_PTR_OFFSET);
|
|
speed = min(target->fwdev->speed, max_speed);
|
|
ocb->orb[4] = htonl(ORB_NOTIFY | ORB_CMD_SPD(speed)
|
|
| ORB_CMD_MAXP(speed + 7));
|
|
if((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN){
|
|
ocb->orb[4] |= htonl(ORB_CMD_IN);
|
|
}
|
|
|
|
if (csio->ccb_h.flags & CAM_CDB_POINTER)
|
|
cdb = (void *)csio->cdb_io.cdb_ptr;
|
|
else
|
|
cdb = (void *)&csio->cdb_io.cdb_bytes;
|
|
bcopy(cdb, (void *)&ocb->orb[5], csio->cdb_len);
|
|
/*
|
|
printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[0]), ntohl(ocb->orb[1]), ntohl(ocb->orb[2]), ntohl(ocb->orb[3]));
|
|
printf("ORB %08x %08x %08x %08x\n", ntohl(ocb->orb[4]), ntohl(ocb->orb[5]), ntohl(ocb->orb[6]), ntohl(ocb->orb[7]));
|
|
*/
|
|
if (ccb->csio.dxfer_len > 0) {
|
|
int error;
|
|
|
|
error = bus_dmamap_load_ccb(/*dma tag*/sbp->dmat,
|
|
/*dma map*/ocb->dmamap,
|
|
ccb,
|
|
sbp_execute_ocb,
|
|
ocb,
|
|
/*flags*/0);
|
|
if (error)
|
|
printf("sbp: bus_dmamap_load error %d\n", error);
|
|
} else
|
|
sbp_execute_ocb(ocb, NULL, 0, 0);
|
|
break;
|
|
}
|
|
case XPT_CALC_GEOMETRY:
|
|
{
|
|
struct ccb_calc_geometry *ccg;
|
|
|
|
ccg = &ccb->ccg;
|
|
if (ccg->block_size == 0) {
|
|
printf("sbp_action: block_size is 0.\n");
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%d:%jx:XPT_CALC_GEOMETRY: "
|
|
"Volume size = %jd\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
cam_sim_path(sbp->sim),
|
|
ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun,
|
|
(uintmax_t)ccg->volume_size);
|
|
END_DEBUG
|
|
|
|
cam_calc_geometry(ccg, /*extended*/1);
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
|
|
{
|
|
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:XPT_RESET_BUS: \n",
|
|
device_get_nameunit(sbp->fd.dev), cam_sim_path(sbp->sim));
|
|
END_DEBUG
|
|
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_PATH_INQ: /* Path routing inquiry */
|
|
{
|
|
struct ccb_pathinq *cpi = &ccb->cpi;
|
|
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%jx XPT_PATH_INQ:.\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
|
|
END_DEBUG
|
|
cpi->version_num = 1; /* XXX??? */
|
|
cpi->hba_inquiry = PI_TAG_ABLE;
|
|
cpi->target_sprt = 0;
|
|
cpi->hba_misc = PIM_NOBUSRESET | PIM_NO_6_BYTE;
|
|
cpi->hba_eng_cnt = 0;
|
|
cpi->max_target = SBP_NUM_TARGETS - 1;
|
|
cpi->max_lun = SBP_NUM_LUNS - 1;
|
|
cpi->initiator_id = SBP_INITIATOR;
|
|
cpi->bus_id = sim->bus_id;
|
|
cpi->base_transfer_speed = 400 * 1000 / 8;
|
|
strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
|
|
strncpy(cpi->hba_vid, "SBP", HBA_IDLEN);
|
|
strncpy(cpi->dev_name, sim->sim_name, DEV_IDLEN);
|
|
cpi->unit_number = sim->unit_number;
|
|
cpi->transport = XPORT_SPI; /* XX should have a FireWire */
|
|
cpi->transport_version = 2;
|
|
cpi->protocol = PROTO_SCSI;
|
|
cpi->protocol_version = SCSI_REV_2;
|
|
|
|
cpi->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
|
struct ccb_trans_settings_scsi *scsi =
|
|
&cts->proto_specific.scsi;
|
|
struct ccb_trans_settings_spi *spi =
|
|
&cts->xport_specific.spi;
|
|
|
|
cts->protocol = PROTO_SCSI;
|
|
cts->protocol_version = SCSI_REV_2;
|
|
cts->transport = XPORT_SPI; /* should have a FireWire */
|
|
cts->transport_version = 2;
|
|
spi->valid = CTS_SPI_VALID_DISC;
|
|
spi->flags = CTS_SPI_FLAGS_DISC_ENB;
|
|
scsi->valid = CTS_SCSI_VALID_TQ;
|
|
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%jx XPT_GET_TRAN_SETTINGS:.\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, (uintmax_t)ccb->ccb_h.target_lun);
|
|
END_DEBUG
|
|
cts->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_ABORT:
|
|
ccb->ccb_h.status = CAM_UA_ABORT;
|
|
xpt_done(ccb);
|
|
break;
|
|
case XPT_SET_TRAN_SETTINGS:
|
|
/* XXX */
|
|
default:
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
static void
|
|
sbp_execute_ocb(void *arg, bus_dma_segment_t *segments, int seg, int error)
|
|
{
|
|
int i;
|
|
struct sbp_ocb *ocb;
|
|
struct sbp_ocb *prev;
|
|
bus_dma_segment_t *s;
|
|
|
|
if (error)
|
|
printf("sbp_execute_ocb: error=%d\n", error);
|
|
|
|
ocb = (struct sbp_ocb *)arg;
|
|
|
|
SBP_DEBUG(2)
|
|
printf("sbp_execute_ocb: seg %d", seg);
|
|
for (i = 0; i < seg; i++)
|
|
printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
|
|
(uintmax_t)segments[i].ds_len);
|
|
printf("\n");
|
|
END_DEBUG
|
|
|
|
if (seg == 1) {
|
|
/* direct pointer */
|
|
s = &segments[0];
|
|
if (s->ds_len > SBP_SEG_MAX)
|
|
panic("ds_len > SBP_SEG_MAX, fix busdma code");
|
|
ocb->orb[3] = htonl(s->ds_addr);
|
|
ocb->orb[4] |= htonl(s->ds_len);
|
|
} else if(seg > 1) {
|
|
/* page table */
|
|
for (i = 0; i < seg; i++) {
|
|
s = &segments[i];
|
|
SBP_DEBUG(0)
|
|
/* XXX LSI Logic "< 16 byte" bug might be hit */
|
|
if (s->ds_len < 16)
|
|
printf("sbp_execute_ocb: warning, "
|
|
"segment length(%zd) is less than 16."
|
|
"(seg=%d/%d)\n", (size_t)s->ds_len, i+1, seg);
|
|
END_DEBUG
|
|
if (s->ds_len > SBP_SEG_MAX)
|
|
panic("ds_len > SBP_SEG_MAX, fix busdma code");
|
|
ocb->ind_ptr[i].hi = htonl(s->ds_len << 16);
|
|
ocb->ind_ptr[i].lo = htonl(s->ds_addr);
|
|
}
|
|
ocb->orb[4] |= htonl(ORB_CMD_PTBL | seg);
|
|
}
|
|
|
|
if (seg > 0)
|
|
bus_dmamap_sync(ocb->sdev->target->sbp->dmat, ocb->dmamap,
|
|
(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
|
|
BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE);
|
|
prev = sbp_enqueue_ocb(ocb->sdev, ocb);
|
|
fwdma_sync(&ocb->sdev->dma, BUS_DMASYNC_PREWRITE);
|
|
if (use_doorbell) {
|
|
if (prev == NULL) {
|
|
if (ocb->sdev->last_ocb != NULL)
|
|
sbp_doorbell(ocb->sdev);
|
|
else
|
|
sbp_orb_pointer(ocb->sdev, ocb);
|
|
}
|
|
} else {
|
|
if (prev == NULL || (ocb->sdev->flags & ORB_LINK_DEAD) != 0) {
|
|
ocb->sdev->flags &= ~ORB_LINK_DEAD;
|
|
sbp_orb_pointer(ocb->sdev, ocb);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_poll(struct cam_sim *sim)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
struct firewire_comm *fc;
|
|
|
|
sbp = (struct sbp_softc *)sim->softc;
|
|
fc = sbp->fd.fc;
|
|
|
|
fc->poll(fc, 0, -1);
|
|
|
|
return;
|
|
}
|
|
|
|
static struct sbp_ocb *
|
|
sbp_dequeue_ocb(struct sbp_dev *sdev, struct sbp_status *sbp_status)
|
|
{
|
|
struct sbp_ocb *ocb;
|
|
struct sbp_ocb *next;
|
|
int order = 0;
|
|
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s 0x%08x src %d\n",
|
|
__func__, sdev->bustgtlun, ntohl(sbp_status->orb_lo), sbp_status->src);
|
|
END_DEBUG
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
STAILQ_FOREACH_SAFE(ocb, &sdev->ocbs, ocb, next) {
|
|
if (OCB_MATCH(ocb, sbp_status)) {
|
|
/* found */
|
|
STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
|
|
if (ocb->ccb != NULL)
|
|
callout_stop(&ocb->timer);
|
|
if (ntohl(ocb->orb[4]) & 0xffff) {
|
|
bus_dmamap_sync(sdev->target->sbp->dmat,
|
|
ocb->dmamap,
|
|
(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
|
|
BUS_DMASYNC_POSTREAD :
|
|
BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(sdev->target->sbp->dmat,
|
|
ocb->dmamap);
|
|
}
|
|
if (!use_doorbell) {
|
|
if (sbp_status->src == SRC_NO_NEXT) {
|
|
if (next != NULL)
|
|
sbp_orb_pointer(sdev, next);
|
|
else if (order > 0) {
|
|
/*
|
|
* Unordered execution
|
|
* We need to send pointer for
|
|
* next ORB
|
|
*/
|
|
sdev->flags |= ORB_LINK_DEAD;
|
|
}
|
|
}
|
|
} else {
|
|
/*
|
|
* XXX this is not correct for unordered
|
|
* execution.
|
|
*/
|
|
if (sdev->last_ocb != NULL) {
|
|
sbp_free_ocb(sdev, sdev->last_ocb);
|
|
}
|
|
sdev->last_ocb = ocb;
|
|
if (next != NULL &&
|
|
sbp_status->src == SRC_NO_NEXT)
|
|
sbp_doorbell(sdev);
|
|
}
|
|
break;
|
|
} else
|
|
order ++;
|
|
}
|
|
SBP_DEBUG(0)
|
|
if (ocb && order > 0) {
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s unordered execution order:%d\n",
|
|
__func__, sdev->bustgtlun, order);
|
|
}
|
|
END_DEBUG
|
|
return (ocb);
|
|
}
|
|
|
|
static struct sbp_ocb *
|
|
sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
|
|
{
|
|
struct sbp_ocb *prev, *prev2;
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
SBP_DEBUG(1)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s 0x%08jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
prev2 = prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
|
|
STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
|
|
|
|
if (ocb->ccb != NULL)
|
|
callout_reset(&ocb->timer, (ocb->ccb->ccb_h.timeout * hz) / 1000,
|
|
sbp_timeout, ocb);
|
|
|
|
if (use_doorbell && prev == NULL)
|
|
prev2 = sdev->last_ocb;
|
|
|
|
if (prev2 != NULL && (ocb->sdev->flags & ORB_LINK_DEAD) == 0) {
|
|
SBP_DEBUG(1)
|
|
printf("linking chain 0x%jx -> 0x%jx\n",
|
|
(uintmax_t)prev2->bus_addr, (uintmax_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
/*
|
|
* Suppress compiler optimization so that orb[1] must be written first.
|
|
* XXX We may need an explicit memory barrier for other architectures
|
|
* other than i386/amd64.
|
|
*/
|
|
*(volatile uint32_t *)&prev2->orb[1] = htonl(ocb->bus_addr);
|
|
*(volatile uint32_t *)&prev2->orb[0] = 0;
|
|
}
|
|
|
|
return prev;
|
|
}
|
|
|
|
static struct sbp_ocb *
|
|
sbp_get_ocb(struct sbp_dev *sdev)
|
|
{
|
|
struct sbp_ocb *ocb;
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
ocb = STAILQ_FIRST(&sdev->free_ocbs);
|
|
if (ocb == NULL) {
|
|
sdev->flags |= ORB_SHORTAGE;
|
|
printf("ocb shortage!!!\n");
|
|
return NULL;
|
|
}
|
|
STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
|
|
ocb->ccb = NULL;
|
|
return (ocb);
|
|
}
|
|
|
|
static void
|
|
sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
|
|
{
|
|
ocb->flags = 0;
|
|
ocb->ccb = NULL;
|
|
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
|
|
if ((sdev->flags & ORB_SHORTAGE) != 0) {
|
|
int count;
|
|
|
|
sdev->flags &= ~ORB_SHORTAGE;
|
|
count = sdev->freeze;
|
|
sdev->freeze = 0;
|
|
xpt_release_devq(sdev->path, count, TRUE);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_abort_ocb(struct sbp_ocb *ocb, int status)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = ocb->sdev;
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
SBP_DEBUG(0)
|
|
device_printf(sdev->target->sbp->fd.dev,
|
|
"%s:%s 0x%jx\n", __func__, sdev->bustgtlun, (uintmax_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
SBP_DEBUG(1)
|
|
if (ocb->ccb != NULL)
|
|
sbp_print_scsi_cmd(ocb);
|
|
END_DEBUG
|
|
if (ntohl(ocb->orb[4]) & 0xffff) {
|
|
bus_dmamap_sync(sdev->target->sbp->dmat, ocb->dmamap,
|
|
(ntohl(ocb->orb[4]) & ORB_CMD_IN) ?
|
|
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
|
|
bus_dmamap_unload(sdev->target->sbp->dmat, ocb->dmamap);
|
|
}
|
|
if (ocb->ccb != NULL) {
|
|
callout_stop(&ocb->timer);
|
|
ocb->ccb->ccb_h.status = status;
|
|
xpt_done(ocb->ccb);
|
|
}
|
|
sbp_free_ocb(sdev, ocb);
|
|
}
|
|
|
|
static void
|
|
sbp_abort_all_ocbs(struct sbp_dev *sdev, int status)
|
|
{
|
|
struct sbp_ocb *ocb, *next;
|
|
STAILQ_HEAD(, sbp_ocb) temp;
|
|
|
|
STAILQ_INIT(&temp);
|
|
SBP_LOCK_ASSERT(sdev->target->sbp);
|
|
STAILQ_CONCAT(&temp, &sdev->ocbs);
|
|
STAILQ_INIT(&sdev->ocbs);
|
|
|
|
STAILQ_FOREACH_SAFE(ocb, &temp, ocb, next) {
|
|
sbp_abort_ocb(ocb, status);
|
|
}
|
|
if (sdev->last_ocb != NULL) {
|
|
sbp_free_ocb(sdev, sdev->last_ocb);
|
|
sdev->last_ocb = NULL;
|
|
}
|
|
}
|
|
|
|
static devclass_t sbp_devclass;
|
|
|
|
static device_method_t sbp_methods[] = {
|
|
/* device interface */
|
|
DEVMETHOD(device_identify, sbp_identify),
|
|
DEVMETHOD(device_probe, sbp_probe),
|
|
DEVMETHOD(device_attach, sbp_attach),
|
|
DEVMETHOD(device_detach, sbp_detach),
|
|
DEVMETHOD(device_shutdown, sbp_shutdown),
|
|
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t sbp_driver = {
|
|
"sbp",
|
|
sbp_methods,
|
|
sizeof(struct sbp_softc),
|
|
};
|
|
DRIVER_MODULE(sbp, firewire, sbp_driver, sbp_devclass, 0, 0);
|
|
MODULE_VERSION(sbp, 1);
|
|
MODULE_DEPEND(sbp, firewire, 1, 1, 1);
|
|
MODULE_DEPEND(sbp, cam, 1, 1, 1);
|