2752 lines
65 KiB
C
2752 lines
65 KiB
C
/*
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* Copyright (c) 2003 Hidetosh Shimokawa
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* Copyright (c) 1998-2002 Katsushi Kobayashi and Hidetosh 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/sysctl.h>
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#include <machine/bus.h>
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#include <sys/malloc.h>
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#if __FreeBSD_version >= 501102
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#endif
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#if __FreeBSD_version < 500106
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#include <sys/devicestat.h> /* for struct devstat */
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#endif
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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 <sys/kernel.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_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 (alingment)
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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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#define LOGIN_DELAY 1
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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 = 2;
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static int sbp_cold = 1;
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static int exlogin = 1;
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SYSCTL_DECL(_hw_firewire);
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SYSCTL_NODE(_hw_firewire, OID_AUTO, sbp, CTLFLAG_RD, 0, "SBP-II Subsystem");
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SYSCTL_INT(_debug, OID_AUTO, sbp_debug, CTLFLAG_RW, &debug, 0,
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"SBP debug flag");
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SYSCTL_INT(_hw_firewire_sbp, OID_AUTO, auto_login, CTLFLAG_RW, &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_RW, &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_RW,
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&exlogin, 0, "SBP transfer max speed");
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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(MAXPHYS, SBP_SEG_MAX)
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#else
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#define SBP_IND_MAX howmany(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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u_int32_t orb[8];
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#define IND_PTR_OFFSET (8*sizeof(u_int32_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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};
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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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u_int8_t status:4,
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timeout:4;
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u_int8_t type;
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u_int16_t lun_id;
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u_int16_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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u_int16_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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char vendor[32];
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char product[32];
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char revision[10];
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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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u_int32_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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#define SCAN_DELAY 1
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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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};
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static void sbp_post_explore __P((void *));
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static void sbp_recv __P((struct fw_xfer *));
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static void sbp_mgm_callback __P((struct fw_xfer *));
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#if 0
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static void sbp_cmd_callback __P((struct fw_xfer *));
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#endif
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static void sbp_orb_pointer __P((struct sbp_dev *, struct sbp_ocb *));
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static void sbp_execute_ocb __P((void *, bus_dma_segment_t *, int, int));
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static void sbp_free_ocb __P((struct sbp_dev *, struct sbp_ocb *));
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static void sbp_abort_ocb __P((struct sbp_ocb *, int));
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static void sbp_abort_all_ocbs __P((struct sbp_dev *, int));
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static struct fw_xfer * sbp_write_cmd __P((struct sbp_dev *, int, int));
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static struct sbp_ocb * sbp_get_ocb __P((struct sbp_dev *));
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static struct sbp_ocb * sbp_enqueue_ocb __P((struct sbp_dev *, struct sbp_ocb *));
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static struct sbp_ocb * sbp_dequeue_ocb __P((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 __P((struct sbp_target *));
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static void sbp_free_target __P((struct sbp_target *));
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static void sbp_mgm_timeout __P((void *arg));
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static void sbp_timeout __P((void *arg));
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static void sbp_mgm_orb __P((struct sbp_dev *, int, struct sbp_ocb *));
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#define sbp_login(sdev) \
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callout_reset(&(sdev)->login_callout, LOGIN_DELAY * hz, \
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sbp_login_callout, (void *)(sdev));
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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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device_t child;
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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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child = BUS_ADD_CHILD(parent, 0, "sbp", device_get_unit(parent));
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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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device_t pa;
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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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pa = device_get_parent(dev);
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if(device_get_unit(dev) != device_get_unit(pa)){
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return(ENXIO);
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}
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device_set_desc(dev, "SBP-2/SCSI over FireWire");
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if (bootverbose)
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debug = bootverbose;
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return (0);
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}
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static void
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sbp_show_sdev_info(struct sbp_dev *sdev, int new)
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{
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struct fw_device *fwdev;
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printf("%s:%d:%d ",
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device_get_nameunit(sdev->target->sbp->fd.dev),
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sdev->target->target_id,
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sdev->lun_id
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);
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if (new == 2) {
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return;
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}
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fwdev = sdev->target->fwdev;
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printf("ordered:%d type:%d EUI:%08x%08x node:%d "
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"speed:%d maxrec:%d",
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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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);
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if (new)
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printf(" new!\n");
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else
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printf("\n");
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sbp_show_sdev_info(sdev, 2);
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printf("'%s' '%s' '%s'\n", sdev->vendor, sdev->product, 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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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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printf("%s:%d no LUN found\n",
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device_get_nameunit(target->sbp->fd.dev),
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target->target_id);
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maxlun ++;
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if (maxlun >= SBP_NUM_LUNS)
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maxlun = SBP_NUM_LUNS;
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/* Invalidiate stale devices */
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for (lun = 0; lun < target->num_lun; lun ++) {
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sdev = target->luns[lun];
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if (sdev == NULL)
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continue;
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sdev->flags &= ~VALID_LUN;
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if (lun >= maxlun) {
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/* lost device */
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sbp_cam_detach_sdev(sdev);
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sbp_free_sdev(sdev);
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}
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}
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/* Reallocate */
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if (maxlun != target->num_lun) {
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newluns = (struct sbp_dev **) realloc(target->luns,
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sizeof(struct sbp_dev *) * maxlun,
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M_SBP, M_NOWAIT | M_ZERO);
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if (newluns == NULL) {
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printf("%s: realloc failed\n", __FUNCTION__);
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newluns = target->luns;
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maxlun = target->num_lun;
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}
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/*
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* We must zero the extended region for the case
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* realloc() doesn't allocate new buffer.
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*/
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if (maxlun > target->num_lun)
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bzero(&newluns[target->num_lun],
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sizeof(struct sbp_dev *) *
|
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(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", __FUNCTION__);
|
|
goto next;
|
|
}
|
|
target->luns[lun] = sdev;
|
|
sdev->lun_id = lun;
|
|
sdev->target = target;
|
|
STAILQ_INIT(&sdev->ocbs);
|
|
CALLOUT_INIT(&sdev->login_callout);
|
|
sdev->status = SBP_DEV_RESET;
|
|
new = 1;
|
|
}
|
|
sdev->flags |= VALID_LUN;
|
|
sdev->type = (reg->val & 0xff0000) >> 16;
|
|
|
|
if (new == 0)
|
|
goto next;
|
|
|
|
fwdma_malloc(sbp->fd.fc,
|
|
/* alignment */ sizeof(u_int32_t),
|
|
SBP_DMA_SIZE, &sdev->dma, BUS_DMA_NOWAIT);
|
|
if (sdev->dma.v_addr == NULL) {
|
|
printf("%s: dma space allocation failed\n",
|
|
__FUNCTION__);
|
|
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;
|
|
}
|
|
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->sbp = sbp;
|
|
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(&target->mgm_ocb_timeout);
|
|
CALLOUT_INIT(&target->scan_callout);
|
|
|
|
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_mgm_orb(sdev, ORB_FUN_LGI, NULL);
|
|
}
|
|
|
|
#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;
|
|
struct sbp_dev *sdev;
|
|
struct firewire_comm *fc;
|
|
int i, alive;
|
|
|
|
alive = SBP_FWDEV_ALIVE(target->fwdev);
|
|
SBP_DEBUG(1)
|
|
printf("sbp_probe_target %d\n", target->target_id);
|
|
if (!alive)
|
|
printf("not alive\n");
|
|
END_DEBUG
|
|
|
|
sbp = target->sbp;
|
|
fc = target->sbp->fd.fc;
|
|
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_DEBUG(0)
|
|
sbp_show_sdev_info(sdev,
|
|
(sdev->status == SBP_DEV_RESET));
|
|
END_DEBUG
|
|
|
|
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 */
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("lost target\n");
|
|
END_DEBUG
|
|
if (sdev->path) {
|
|
xpt_freeze_devq(sdev->path, 1);
|
|
sdev->freeze ++;
|
|
}
|
|
sdev->status = SBP_DEV_RETRY;
|
|
sbp_abort_all_ocbs(sdev, CAM_SCSI_BUS_RESET);
|
|
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
|
|
}
|
|
|
|
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
|
|
#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
|
|
if (sbp_cold > 0)
|
|
sbp_cold --;
|
|
|
|
/* Gabage 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)
|
|
printf("sbp_post_explore: EUI:%08x%08x ",
|
|
fwdev->eui.hi, fwdev->eui.lo);
|
|
if (fwdev->status != FWDEVATTACHED)
|
|
printf("not attached, state=%d.\n", fwdev->status);
|
|
else
|
|
printf("attached\n");
|
|
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);
|
|
}
|
|
}
|
|
|
|
#if NEED_RESPONSE
|
|
static void
|
|
sbp_loginres_callback(struct fw_xfer *xfer){
|
|
int s;
|
|
struct sbp_dev *sdev;
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
SBP_DEBUG(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_loginres_callback\n");
|
|
END_DEBUG
|
|
/* recycle */
|
|
s = splfw();
|
|
STAILQ_INSERT_TAIL(&sdev->target->sbp->fwb.xferlist, xfer, link);
|
|
splx(s);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
static __inline void
|
|
sbp_xfer_free(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
int s;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
fw_xfer_unload(xfer);
|
|
s = splfw();
|
|
STAILQ_INSERT_TAIL(&sdev->target->xferlist, xfer, link);
|
|
splx(s);
|
|
}
|
|
|
|
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) {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_reset_start failed: resp=%d\n", xfer->resp);
|
|
}
|
|
|
|
for (i = 0; i < target->num_lun; i++) {
|
|
tsdev = target->luns[i];
|
|
if (tsdev != NULL && tsdev->status == SBP_DEV_LOGIN)
|
|
sbp_login(tsdev);
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_reset_start(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_reset_start\n");
|
|
END_DEBUG
|
|
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
|
|
xfer->act.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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_mgm_callback\n");
|
|
END_DEBUG
|
|
resp = xfer->resp;
|
|
sbp_xfer_free(xfer);
|
|
#if 0
|
|
if (resp != 0) {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("management ORB failed(%d) ... RESET_START\n", resp);
|
|
sbp_reset_start(sdev);
|
|
}
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
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_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_cam_scan_lun\n");
|
|
END_DEBUG
|
|
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
|
|
sdev->status = SBP_DEV_ATTACHED;
|
|
} else {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("scan failed\n");
|
|
}
|
|
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;
|
|
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_cam_scan_target\n");
|
|
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,
|
|
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_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_do_attach\n");
|
|
END_DEBUG
|
|
sbp_xfer_free(xfer);
|
|
|
|
if (sdev->path == NULL)
|
|
xpt_create_path(&sdev->path, xpt_periph,
|
|
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 exists.
|
|
*/
|
|
if (sbp_cold > 0) {
|
|
sdev->status = SBP_DEV_ATTACHED;
|
|
return;
|
|
}
|
|
|
|
sbp_scan_dev(sdev);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
sbp_agent_reset_callback(struct fw_xfer *xfer)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
SBP_DEBUG(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("%s\n", __FUNCTION__);
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("%s: resp=%d\n", __FUNCTION__, xfer->resp);
|
|
}
|
|
|
|
sbp_xfer_free(xfer);
|
|
if (sdev->path) {
|
|
xpt_release_devq(sdev->path, sdev->freeze, TRUE);
|
|
sdev->freeze = 0;
|
|
}
|
|
}
|
|
|
|
static void
|
|
sbp_agent_reset(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_agent_reset\n");
|
|
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->act.hand = sbp_agent_reset_callback;
|
|
else
|
|
xfer->act.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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_busy_timeout_callback\n");
|
|
END_DEBUG
|
|
sbp_xfer_free(xfer);
|
|
sbp_agent_reset(sdev);
|
|
}
|
|
|
|
static void
|
|
sbp_busy_timeout(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_pkt *fp;
|
|
struct fw_xfer *xfer;
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_busy_timeout\n");
|
|
END_DEBUG
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0);
|
|
|
|
xfer->act.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(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("%s\n", __FUNCTION__);
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
/* XXX */
|
|
printf("%s: xfer->resp != 0\n", __FUNCTION__);
|
|
}
|
|
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);
|
|
}
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("%s: 0x%08x\n", __FUNCTION__, (u_int32_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
|
|
if ((sdev->flags & ORB_POINTER_ACTIVE) != 0) {
|
|
printf("%s: orb pointer active\n", __FUNCTION__);
|
|
sdev->flags |= ORB_POINTER_NEED;
|
|
return;
|
|
}
|
|
|
|
sdev->flags |= ORB_POINTER_ACTIVE;
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQB, 0x08);
|
|
if (xfer == NULL)
|
|
return;
|
|
xfer->act.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((u_int32_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);
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
static void
|
|
sbp_cmd_callback(struct fw_xfer *xfer)
|
|
{
|
|
SBP_DEBUG(1)
|
|
struct sbp_dev *sdev;
|
|
sdev = (struct sbp_dev *)xfer->sc;
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_cmd_callback\n");
|
|
END_DEBUG
|
|
if (xfer->resp != 0) {
|
|
/* XXX */
|
|
printf("%s: xfer->resp != 0\n", __FUNCTION__);
|
|
}
|
|
sbp_xfer_free(xfer);
|
|
return;
|
|
}
|
|
|
|
static void
|
|
sbp_doorbell(struct sbp_dev *sdev)
|
|
{
|
|
struct fw_xfer *xfer;
|
|
struct fw_pkt *fp;
|
|
SBP_DEBUG(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_doorbell\n");
|
|
END_DEBUG
|
|
|
|
xfer = sbp_write_cmd(sdev, FWTCODE_WREQQ, 0x10);
|
|
if (xfer == NULL)
|
|
return;
|
|
xfer->act.hand = sbp_cmd_callback;
|
|
fp = (struct fw_pkt *)xfer->send.buf;
|
|
fp->mode.wreqq.data = htonl(0xf);
|
|
fw_asyreq(xfer->fc, -1, xfer);
|
|
}
|
|
#endif
|
|
|
|
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 s, new = 0;
|
|
|
|
target = sdev->target;
|
|
s = splfw();
|
|
xfer = STAILQ_FIRST(&target->xferlist);
|
|
if (xfer == NULL) {
|
|
if (target->n_xfer > 5 /* XXX */) {
|
|
printf("sbp: no more xfer for this target\n");
|
|
splx(s);
|
|
return(NULL);
|
|
}
|
|
xfer = fw_xfer_alloc_buf(M_SBP, 8, 0);
|
|
if(xfer == NULL){
|
|
printf("sbp: fw_xfer_alloc_buf failed\n");
|
|
splx(s);
|
|
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);
|
|
}
|
|
splx(s);
|
|
|
|
microtime(&xfer->tv);
|
|
|
|
if (new) {
|
|
xfer->recv.pay_len = 0;
|
|
xfer->send.spd = min(sdev->target->fwdev->speed, max_speed);
|
|
xfer->fc = sdev->target->sbp->fd.fc;
|
|
xfer->retry_req = fw_asybusy;
|
|
}
|
|
|
|
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 s, nid;
|
|
|
|
target = sdev->target;
|
|
nid = target->sbp->fd.fc->nodeid | FWLOCALBUS;
|
|
|
|
s = splfw();
|
|
if (func == ORB_FUN_RUNQUEUE) {
|
|
ocb = STAILQ_FIRST(&target->mgm_ocb_queue);
|
|
if (target->mgm_ocb_cur != NULL || ocb == NULL) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
STAILQ_REMOVE_HEAD(&target->mgm_ocb_queue, ocb);
|
|
goto start;
|
|
}
|
|
if ((ocb = sbp_get_ocb(sdev)) == NULL) {
|
|
splx(s);
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("%s\n", 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 (exlogin)
|
|
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);
|
|
splx(s);
|
|
return;
|
|
}
|
|
start:
|
|
target->mgm_ocb_cur = ocb;
|
|
splx(s);
|
|
|
|
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->act.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);
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("mgm orb: %08x\n", (u_int32_t)ocb->bus_addr);
|
|
END_DEBUG
|
|
|
|
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:%d 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, 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 *sense;
|
|
|
|
sbp_cmd_status = (struct sbp_cmd_status *)sbp_status->data;
|
|
sense = &ocb->ccb->csio.sense_data;
|
|
|
|
SBP_DEBUG(0)
|
|
sbp_print_scsi_cmd(ocb);
|
|
/* XXX need decode status */
|
|
sbp_show_sdev_info(ocb->sdev, 2);
|
|
printf("SCSI status %x sfmt %x valid %x key %x code %x qlfr %x len %d\n",
|
|
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;
|
|
/*
|
|
{
|
|
u_int8_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:
|
|
sbp_show_sdev_info(ocb->sdev, 2);
|
|
printf("sbp_scsi_status: unknown scsi status 0x%x\n",
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("sbp_fix_inq_data\n");
|
|
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:
|
|
/* enable tagged queuing */
|
|
#if 1
|
|
inq->flags |= SID_CmdQue;
|
|
#endif
|
|
/*
|
|
* 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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
u_int32_t addr;
|
|
/*
|
|
u_int32_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;
|
|
if (xfer->resp != 0){
|
|
printf("sbp_recv: xfer->resp != 0\n");
|
|
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) {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
#if __FreeBSD_version >= 500000
|
|
printf("No ocb(%x) on the queue\n",
|
|
#else
|
|
printf("No ocb(%lx) on the queue\n",
|
|
#endif
|
|
ntohl(sbp_status->orb_lo));
|
|
}
|
|
break;
|
|
case 2:
|
|
/* unsolicit */
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("unsolicit status received\n");
|
|
break;
|
|
default:
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("unknown sbp_status->src\n");
|
|
}
|
|
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("ORB status src:%x resp:%x dead:%x"
|
|
#if __FreeBSD_version >= 500000
|
|
" len:%x stat:%x orb:%x%08x\n",
|
|
#else
|
|
" len:%x stat:%x orb:%x%08lx\n",
|
|
#endif
|
|
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
|
|
sbp_show_sdev_info(sdev, 2);
|
|
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)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("login: len %d, ID %d, cmd %08x%08x, recon_hold %d\n", 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? */
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("login failed\n");
|
|
sdev->status = SBP_DEV_RESET;
|
|
}
|
|
break;
|
|
case ORB_FUN_RCN:
|
|
login_res = sdev->login;
|
|
if (status_valid) {
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("reconnect: len %d, ID %d, cmd %08x%08x\n", login_res->len, login_res->id, login_res->cmd_hi, login_res->cmd_lo);
|
|
END_DEBUG
|
|
#if 1
|
|
if (sdev->status == SBP_DEV_ATTACHED)
|
|
sbp_scan_dev(sdev);
|
|
else
|
|
sbp_agent_reset(sdev);
|
|
#else
|
|
sdev->status = SBP_DEV_ATTACHED;
|
|
sbp_mgm_orb(sdev, ORB_FUN_ATS, NULL);
|
|
#endif
|
|
} else {
|
|
/* reconnection hold time exceed? */
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("reconnect failed\n");
|
|
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:
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("unknown function %d\n", 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;
|
|
/*
|
|
u_int32_t *ld;
|
|
ld = ocb->ccb->csio.data_ptr;
|
|
if(ld != NULL && ocb->ccb->csio.dxfer_len != 0)
|
|
printf("ptr %08x %08x %08x %08x\n", ld[0], ld[1], ld[2], ld[3]);
|
|
else
|
|
printf("ptr NULL\n");
|
|
printf("len %d\n", sbp_status->len);
|
|
*/
|
|
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;
|
|
}
|
|
}
|
|
|
|
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->act.hand = sbp_loginres_callback;
|
|
xfer->retry_req = fw_asybusy;
|
|
|
|
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
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
static void
|
|
sbp_recv(struct fw_xfer *xfer)
|
|
{
|
|
int s;
|
|
|
|
s = splcam();
|
|
sbp_recv1(xfer);
|
|
splx(s);
|
|
}
|
|
/*
|
|
* sbp_attach()
|
|
*/
|
|
static int
|
|
sbp_attach(device_t dev)
|
|
{
|
|
struct sbp_softc *sbp;
|
|
struct cam_devq *devq;
|
|
struct fw_xfer *xfer;
|
|
int i, s, error;
|
|
|
|
SBP_DEBUG(0)
|
|
printf("sbp_attach (cold=%d)\n", cold);
|
|
END_DEBUG
|
|
|
|
if (cold)
|
|
sbp_cold ++;
|
|
sbp = ((struct sbp_softc *)device_get_softc(dev));
|
|
bzero(sbp, sizeof(struct sbp_softc));
|
|
sbp->fd.dev = dev;
|
|
sbp->fd.fc = device_get_ivars(dev);
|
|
error = bus_dma_tag_create(/*parent*/sbp->fd.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,
|
|
#if __FreeBSD_version >= 501102
|
|
/*lockfunc*/busdma_lock_mutex,
|
|
/*lockarg*/&Giant,
|
|
#endif
|
|
&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->sim = cam_sim_alloc(sbp_action, sbp_poll, "sbp", sbp,
|
|
device_get_unit(dev),
|
|
/*untagged*/ 1,
|
|
/*tagged*/ SBP_QUEUE_LEN,
|
|
devq);
|
|
|
|
if (sbp->sim == NULL) {
|
|
cam_simq_free(devq);
|
|
return (ENXIO);
|
|
}
|
|
|
|
|
|
if (xpt_bus_register(sbp->sim, /*bus*/0) != CAM_SUCCESS)
|
|
goto fail;
|
|
|
|
if (xpt_create_path(&sbp->path, xpt_periph, cam_sim_path(sbp->sim),
|
|
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
|
|
xpt_bus_deregister(cam_sim_path(sbp->sim));
|
|
goto fail;
|
|
}
|
|
|
|
/* 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;
|
|
sbp->fwb.act_type = FWACT_XFER;
|
|
/* pre-allocate xfer */
|
|
STAILQ_INIT(&sbp->fwb.xferlist);
|
|
for (i = 0; i < SBP_NUM_OCB/2; i ++) {
|
|
xfer = fw_xfer_alloc_buf(M_SBP,
|
|
/* send */0,
|
|
/* recv */SBP_RECV_LEN);
|
|
xfer->act.hand = sbp_recv;
|
|
#if NEED_RESPONSE
|
|
xfer->fc = sbp->fd.fc;
|
|
#endif
|
|
xfer->sc = (caddr_t)sbp;
|
|
STAILQ_INSERT_TAIL(&sbp->fwb.xferlist, xfer, link);
|
|
}
|
|
fw_bindadd(sbp->fd.fc, &sbp->fwb);
|
|
|
|
sbp->fd.post_busreset = sbp_post_busreset;
|
|
sbp->fd.post_explore = sbp_post_explore;
|
|
|
|
if (sbp->fd.fc->status != -1) {
|
|
s = splfw();
|
|
sbp_post_explore((void *)sbp);
|
|
splx(s);
|
|
}
|
|
|
|
return (0);
|
|
fail:
|
|
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
|
|
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_logout_all(sbp);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
sbp_free_sdev(struct sbp_dev *sdev)
|
|
{
|
|
int i;
|
|
|
|
if (sdev == NULL)
|
|
return;
|
|
for (i = 0; i < SBP_QUEUE_LEN; i++)
|
|
bus_dmamap_destroy(sdev->target->sbp->dmat,
|
|
sdev->ocb[i].dmamap);
|
|
fwdma_free(sdev->target->sbp->fd.fc, &sdev->dma);
|
|
free(sdev, M_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;
|
|
callout_stop(&target->mgm_ocb_timeout);
|
|
sbp = target->sbp;
|
|
for (i = 0; i < target->num_lun; i++)
|
|
sbp_free_sdev(target->luns[i]);
|
|
|
|
for (xfer = STAILQ_FIRST(&target->xferlist);
|
|
xfer != NULL; xfer = next) {
|
|
next = STAILQ_NEXT(xfer, link);
|
|
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;
|
|
struct fw_xfer *xfer, *next;
|
|
int i;
|
|
|
|
SBP_DEBUG(0)
|
|
printf("sbp_detach\n");
|
|
END_DEBUG
|
|
|
|
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);
|
|
|
|
/* XXX wait for logout completion */
|
|
tsleep(&i, FWPRI, "sbpdtc", hz/2);
|
|
|
|
for (i = 0 ; i < SBP_NUM_TARGETS ; i ++)
|
|
sbp_free_target(&sbp->targets[i]);
|
|
|
|
for (xfer = STAILQ_FIRST(&sbp->fwb.xferlist);
|
|
xfer != NULL; xfer = next) {
|
|
next = STAILQ_NEXT(xfer, link);
|
|
fw_xfer_free_buf(xfer);
|
|
}
|
|
STAILQ_INIT(&sbp->fwb.xferlist);
|
|
fw_bindremove(fc, &sbp->fwb);
|
|
|
|
bus_dma_tag_destroy(sbp->dmat);
|
|
|
|
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;
|
|
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;
|
|
}
|
|
sbp_abort_all_ocbs(sdev, CAM_DEV_NOT_THERE);
|
|
}
|
|
|
|
static void
|
|
sbp_cam_detach_target(struct sbp_target *target)
|
|
{
|
|
int i;
|
|
|
|
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;
|
|
|
|
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_show_sdev_info(sdev, 2);
|
|
printf("request timeout(mgm orb:0x%08x) ... ",
|
|
(u_int32_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
|
|
#if 1
|
|
printf("reset start\n");
|
|
sbp_reset_start(sdev);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
sbp_timeout(void *arg)
|
|
{
|
|
struct sbp_ocb *ocb = (struct sbp_ocb *)arg;
|
|
struct sbp_dev *sdev = ocb->sdev;
|
|
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("request timeout(cmd orb:0x%08x) ... ",
|
|
(u_int32_t)ocb->bus_addr);
|
|
|
|
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_action1(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;
|
|
|
|
/* 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 %d\n",
|
|
ccb->ccb_h.target_id, 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:%d:func_code 0x%04x: "
|
|
"Invalid target (target needed)\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, 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:%d func_code 0x%04x: "
|
|
"Invalid target (no wildcard)\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, 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;
|
|
|
|
SBP_DEBUG(2)
|
|
printf("%s:%d:%d 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, 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)
|
|
return;
|
|
|
|
ocb->flags = OCB_ACT_CMD;
|
|
ocb->sdev = sdev;
|
|
ocb->ccb = ccb;
|
|
ccb->ccb_h.ccb_sdev_ptr = sdev;
|
|
ocb->orb[0] = htonl(1 << 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_SCATTER_VALID)
|
|
printf("sbp: CAM_SCATTER_VALID\n");
|
|
if (csio->ccb_h.flags & CAM_DATA_PHYS)
|
|
printf("sbp: CAM_DATA_PHYS\n");
|
|
|
|
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 s, error;
|
|
|
|
s = splsoftvm();
|
|
error = bus_dmamap_load(/*dma tag*/sbp->dmat,
|
|
/*dma map*/ocb->dmamap,
|
|
ccb->csio.data_ptr,
|
|
ccb->csio.dxfer_len,
|
|
sbp_execute_ocb,
|
|
ocb,
|
|
/*flags*/0);
|
|
splx(s);
|
|
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;
|
|
#if __FreeBSD_version < 501100
|
|
u_int32_t size_mb;
|
|
u_int32_t secs_per_cylinder;
|
|
int extended = 1;
|
|
#endif
|
|
|
|
ccg = &ccb->ccg;
|
|
if (ccg->block_size == 0) {
|
|
printf("sbp_action1: block_size is 0.\n");
|
|
ccb->ccb_h.status = CAM_REQ_INVALID;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%d:%d:XPT_CALC_GEOMETRY: "
|
|
#if __FreeBSD_version >= 500000
|
|
"Volume size = %jd\n",
|
|
#else
|
|
"Volume size = %d\n",
|
|
#endif
|
|
device_get_nameunit(sbp->fd.dev),
|
|
cam_sim_path(sbp->sim),
|
|
ccb->ccb_h.target_id, ccb->ccb_h.target_lun,
|
|
#if __FreeBSD_version >= 500000
|
|
(uintmax_t)
|
|
#endif
|
|
ccg->volume_size);
|
|
END_DEBUG
|
|
|
|
#if __FreeBSD_version < 501100
|
|
size_mb = ccg->volume_size
|
|
/ ((1024L * 1024L) / ccg->block_size);
|
|
|
|
if (size_mb > 1024 && extended) {
|
|
ccg->heads = 255;
|
|
ccg->secs_per_track = 63;
|
|
} else {
|
|
ccg->heads = 64;
|
|
ccg->secs_per_track = 32;
|
|
}
|
|
secs_per_cylinder = ccg->heads * ccg->secs_per_track;
|
|
ccg->cylinders = ccg->volume_size / secs_per_cylinder;
|
|
ccb->ccb_h.status = CAM_REQ_CMP;
|
|
#else
|
|
cam_calc_geometry(ccg, /*extended*/1);
|
|
#endif
|
|
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:%d XPT_PATH_INQ:.\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, 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->ccb_h.status = CAM_REQ_CMP;
|
|
xpt_done(ccb);
|
|
break;
|
|
}
|
|
case XPT_GET_TRAN_SETTINGS:
|
|
{
|
|
struct ccb_trans_settings *cts = &ccb->cts;
|
|
SBP_DEBUG(1)
|
|
printf("%s:%d:%d XPT_GET_TRAN_SETTINGS:.\n",
|
|
device_get_nameunit(sbp->fd.dev),
|
|
ccb->ccb_h.target_id, ccb->ccb_h.target_lun);
|
|
END_DEBUG
|
|
/* Enable disconnect and tagged queuing */
|
|
cts->valid = CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID;
|
|
cts->flags = CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB;
|
|
|
|
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_action(struct cam_sim *sim, union ccb *ccb)
|
|
{
|
|
int s;
|
|
|
|
s = splfw();
|
|
sbp_action1(sim, ccb);
|
|
splx(s);
|
|
}
|
|
|
|
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++)
|
|
#if __FreeBSD_version >= 500000
|
|
printf(", %jx:%jd", (uintmax_t)segments[i].ds_addr,
|
|
(uintmax_t)segments[i].ds_len);
|
|
#else
|
|
printf(", %x:%d", segments[i].ds_addr, segments[i].ds_len);
|
|
#endif
|
|
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, "
|
|
#if __FreeBSD_version >= 500000
|
|
"segment length(%zd) is less than 16."
|
|
#else
|
|
"segment length(%d) is less than 16."
|
|
#endif
|
|
"(seg=%d/%d)\n", 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 (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 s = splfw(), order = 0;
|
|
int flags;
|
|
|
|
SBP_DEBUG(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
#if __FreeBSD_version >= 500000
|
|
printf("%s: 0x%08x src %d\n",
|
|
#else
|
|
printf("%s: 0x%08lx src %d\n",
|
|
#endif
|
|
__FUNCTION__, ntohl(sbp_status->orb_lo), sbp_status->src);
|
|
END_DEBUG
|
|
for (ocb = STAILQ_FIRST(&sdev->ocbs); ocb != NULL; ocb = next) {
|
|
next = STAILQ_NEXT(ocb, ocb);
|
|
flags = ocb->flags;
|
|
if (OCB_MATCH(ocb, sbp_status)) {
|
|
/* found */
|
|
STAILQ_REMOVE(&sdev->ocbs, ocb, sbp_ocb, ocb);
|
|
if (ocb->ccb != NULL)
|
|
untimeout(sbp_timeout, (caddr_t)ocb,
|
|
ocb->ccb->ccb_h.timeout_ch);
|
|
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 (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;
|
|
}
|
|
}
|
|
break;
|
|
} else
|
|
order ++;
|
|
}
|
|
splx(s);
|
|
SBP_DEBUG(0)
|
|
if (ocb && order > 0) {
|
|
sbp_show_sdev_info(sdev, 2);
|
|
printf("unordered execution order:%d\n", order);
|
|
}
|
|
END_DEBUG
|
|
return (ocb);
|
|
}
|
|
|
|
static struct sbp_ocb *
|
|
sbp_enqueue_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
|
|
{
|
|
int s = splfw();
|
|
struct sbp_ocb *prev;
|
|
|
|
SBP_DEBUG(1)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
#if __FreeBSD_version >= 500000
|
|
printf("%s: 0x%08jx\n", __FUNCTION__, (uintmax_t)ocb->bus_addr);
|
|
#else
|
|
printf("%s: 0x%08x\n", __FUNCTION__, ocb->bus_addr);
|
|
#endif
|
|
END_DEBUG
|
|
prev = STAILQ_LAST(&sdev->ocbs, sbp_ocb, ocb);
|
|
STAILQ_INSERT_TAIL(&sdev->ocbs, ocb, ocb);
|
|
|
|
if (ocb->ccb != NULL)
|
|
ocb->ccb->ccb_h.timeout_ch = timeout(sbp_timeout, (caddr_t)ocb,
|
|
(ocb->ccb->ccb_h.timeout * hz) / 1000);
|
|
|
|
if (prev != NULL) {
|
|
SBP_DEBUG(2)
|
|
#if __FreeBSD_version >= 500000
|
|
printf("linking chain 0x%jx -> 0x%jx\n",
|
|
(uintmax_t)prev->bus_addr, (uintmax_t)ocb->bus_addr);
|
|
#else
|
|
printf("linking chain 0x%x -> 0x%x\n",
|
|
prev->bus_addr, ocb->bus_addr);
|
|
#endif
|
|
END_DEBUG
|
|
prev->orb[1] = htonl(ocb->bus_addr);
|
|
prev->orb[0] = 0;
|
|
}
|
|
splx(s);
|
|
|
|
return prev;
|
|
}
|
|
|
|
static struct sbp_ocb *
|
|
sbp_get_ocb(struct sbp_dev *sdev)
|
|
{
|
|
struct sbp_ocb *ocb;
|
|
int s = splfw();
|
|
ocb = STAILQ_FIRST(&sdev->free_ocbs);
|
|
if (ocb == NULL) {
|
|
printf("ocb shortage!!!\n");
|
|
return NULL;
|
|
}
|
|
STAILQ_REMOVE_HEAD(&sdev->free_ocbs, ocb);
|
|
splx(s);
|
|
ocb->ccb = NULL;
|
|
return (ocb);
|
|
}
|
|
|
|
static void
|
|
sbp_free_ocb(struct sbp_dev *sdev, struct sbp_ocb *ocb)
|
|
{
|
|
ocb->flags = 0;
|
|
ocb->ccb = NULL;
|
|
STAILQ_INSERT_TAIL(&sdev->free_ocbs, ocb, ocb);
|
|
}
|
|
|
|
static void
|
|
sbp_abort_ocb(struct sbp_ocb *ocb, int status)
|
|
{
|
|
struct sbp_dev *sdev;
|
|
|
|
sdev = ocb->sdev;
|
|
SBP_DEBUG(0)
|
|
sbp_show_sdev_info(sdev, 2);
|
|
#if __FreeBSD_version >= 500000
|
|
printf("sbp_abort_ocb 0x%jx\n", (uintmax_t)ocb->bus_addr);
|
|
#else
|
|
printf("sbp_abort_ocb 0x%x\n", ocb->bus_addr);
|
|
#endif
|
|
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) {
|
|
untimeout(sbp_timeout, (caddr_t)ocb,
|
|
ocb->ccb->ccb_h.timeout_ch);
|
|
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)
|
|
{
|
|
int s;
|
|
struct sbp_ocb *ocb, *next;
|
|
STAILQ_HEAD(, sbp_ocb) temp;
|
|
|
|
s = splfw();
|
|
|
|
bcopy(&sdev->ocbs, &temp, sizeof(temp));
|
|
STAILQ_INIT(&sdev->ocbs);
|
|
for (ocb = STAILQ_FIRST(&temp); ocb != NULL; ocb = next) {
|
|
next = STAILQ_NEXT(ocb, ocb);
|
|
sbp_abort_ocb(ocb, status);
|
|
}
|
|
|
|
splx(s);
|
|
}
|
|
|
|
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);
|