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freebsd-skq/sys/dev/isp/isp_sbus.c
mjacob 2d4b24984c Add 8Gb support (isp_2500). Fix a fair number of configuration and 
firmware loading bugs.

Target mode support has received some serious attention to make it
more usable and stable.

Some backward compatible additions to CAM have been made that make
target mode async events easier to deal with have also been put
into place.

Further refinement and better support for NP-IV (N-port Virtualization)
is now in place.

Code for release prior to RELENG_7 has been stripped away for code clarity.

Sponsored by: Copan Systems

Reviewed by:    scottl, ken, jung-uk kim
Approved by:    re
2009-08-01 01:04:26 +00:00

729 lines
20 KiB
C
Raw Blame History

/*-
* Copyright (c) 1997-2006 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice immediately at the beginning of the file, without modification,
* this list of conditions, and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* SBus specific probe and attach routines for Qlogic ISP SCSI adapters.
* FreeBSD Version.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/linker.h>
#include <sys/firmware.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/resource.h>
#include <dev/ofw/ofw_bus.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <sparc64/sbus/sbusvar.h>
#include <dev/isp/isp_freebsd.h>
static uint32_t isp_sbus_rd_reg(ispsoftc_t *, int);
static void isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
static int isp_sbus_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
static int isp_sbus_mbxdma(ispsoftc_t *);
static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *);
static void isp_sbus_reset0(ispsoftc_t *);
static void isp_sbus_reset1(ispsoftc_t *);
static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
static struct ispmdvec mdvec = {
isp_sbus_rd_isr,
isp_sbus_rd_reg,
isp_sbus_wr_reg,
isp_sbus_mbxdma,
isp_sbus_dmasetup,
isp_common_dmateardown,
isp_sbus_reset0,
isp_sbus_reset1,
isp_sbus_dumpregs,
NULL,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
static int isp_sbus_probe (device_t);
static int isp_sbus_attach (device_t);
#define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
struct isp_sbussoftc {
ispsoftc_t sbus_isp;
device_t sbus_dev;
struct resource * sbus_reg;
void * ih;
int16_t sbus_poff[_NREG_BLKS];
sdparam sbus_param;
struct isp_spi sbus_spi;
struct ispmdvec sbus_mdvec;
struct resource * sbus_ires;
};
static device_method_t isp_sbus_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, isp_sbus_probe),
DEVMETHOD(device_attach, isp_sbus_attach),
{ 0, 0 }
};
static driver_t isp_sbus_driver = {
"isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
};
static devclass_t isp_devclass;
DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
static int
isp_sbus_probe(device_t dev)
{
int found = 0;
const char *name = ofw_bus_get_name(dev);
if (strcmp(name, "SUNW,isp") == 0 ||
strcmp(name, "QLGC,isp") == 0 ||
strcmp(name, "ptisp") == 0 ||
strcmp(name, "PTI,ptisp") == 0) {
found++;
}
if (!found)
return (ENXIO);
if (isp_announced == 0 && bootverbose) {
printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
"Core Version %d.%d\n",
ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
isp_announced++;
}
return (0);
}
static int
isp_sbus_attach(device_t dev)
{
struct resource *regs;
int tval, iqd, isp_debug, role, rid, ispburst, default_id;
struct isp_sbussoftc *sbs;
ispsoftc_t *isp = NULL;
int locksetup = 0;
int ints_setup = 0;
/*
* Figure out if we're supposed to skip this one.
* If we are, we actually go to ISP_ROLE_NONE.
*/
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"disable", &tval) == 0 && tval) {
device_printf(dev, "device is disabled\n");
/* but return 0 so the !$)$)*!$*) unit isn't reused */
return (0);
}
role = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"role", &role) == 0 &&
((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
device_printf(dev, "setting role to 0x%x\n", role);
} else {
role = ISP_DEFAULT_ROLES;
}
sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
if (sbs == NULL) {
device_printf(dev, "cannot allocate softc\n");
return (ENOMEM);
}
regs = NULL;
iqd = 0;
rid = 0;
regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
if (regs == 0) {
device_printf(dev, "unable to map registers\n");
goto bad;
}
sbs->sbus_dev = dev;
sbs->sbus_reg = regs;
sbs->sbus_mdvec = mdvec;
sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
isp = &sbs->sbus_isp;
isp->isp_bus_tag = rman_get_bustag(regs);
isp->isp_bus_handle = rman_get_bushandle(regs);
isp->isp_mdvec = &sbs->sbus_mdvec;
isp->isp_bustype = ISP_BT_SBUS;
isp->isp_type = ISP_HA_SCSI_UNKNOWN;
isp->isp_param = &sbs->sbus_param;
isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
isp->isp_revision = 0; /* XXX */
ISP_SET_PC(isp, 0, role, role);
/*
* Get the clock frequency and convert it from HZ to MHz,
* rounding up. This defaults to 25MHz if there isn't a
* device specific one in the OFW device tree.
*/
sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
/*
* Now figure out what the proper burst sizes, etc., to use.
* Unfortunately, there is no ddi_dma_burstsizes here which
* walks up the tree finding the limiting burst size node (if
* any). We just use what's here for isp.
*/
ispburst = sbus_get_burstsz(dev);
if (ispburst == 0) {
ispburst = SBUS_BURST_32 - 1;
}
sbs->sbus_mdvec.dv_conf1 = 0;
if (ispburst & (1 << 5)) {
sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
} else if (ispburst & (1 << 4)) {
sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
} else if (ispburst & (1 << 3)) {
sbs->sbus_mdvec.dv_conf1 =
BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
}
if (sbs->sbus_mdvec.dv_conf1) {
sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
}
/*
* We don't trust NVRAM on SBus cards
*/
isp->isp_confopts |= ISP_CFG_NONVRAM;
/*
* Mark things if we're a PTI SBus adapter.
*/
if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
SDPARAM(isp, 0)->isp_ptisp = 1;
}
isp->isp_osinfo.fw = firmware_get("isp_1000");
if (isp->isp_osinfo.fw) {
union {
const void *cp;
uint16_t *sp;
} stupid;
stupid.cp = isp->isp_osinfo.fw->data;
isp->isp_mdvec->dv_ispfw = stupid.sp;
}
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"fwload_disable", &tval) == 0 && tval != 0) {
isp->isp_confopts |= ISP_CFG_NORELOAD;
}
default_id = -1;
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
"iid", &tval) == 0) {
default_id = tval;
isp->isp_confopts |= ISP_CFG_OWNLOOPID;
}
if (default_id == -1) {
/*
* XXX: should be a way to get properties w/o having
* XXX: to call OF_xxx functions
*/
default_id = 7;
}
ISP_SPI_PC(isp, 0)->iid = default_id;
isp_debug = 0;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"debug", &isp_debug);
/* Make sure the lock is set up. */
mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
locksetup++;
iqd = 0;
sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
RF_ACTIVE | RF_SHAREABLE);
if (sbs->sbus_ires == NULL) {
device_printf(dev, "could not allocate interrupt\n");
goto bad;
}
if (isp_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, NULL,
isp_platform_intr, isp, &sbs->ih)) {
device_printf(dev, "could not setup interrupt\n");
goto bad;
}
ints_setup++;
/*
* Set up logging levels.
*/
if (isp_debug) {
isp->isp_dblev = isp_debug;
} else {
isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
}
if (bootverbose) {
isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
}
/*
* Make sure we're in reset state.
*/
ISP_LOCK(isp);
isp_reset(isp, 1);
if (isp->isp_state != ISP_RESETSTATE) {
isp_uninit(isp);
ISP_UNLOCK(isp);
goto bad;
}
isp_init(isp);
if (role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
isp_uninit(isp);
ISP_UNLOCK(isp);
goto bad;
}
isp_attach(isp);
if (role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) {
isp_uninit(isp);
ISP_UNLOCK(isp);
goto bad;
}
ISP_UNLOCK(isp);
return (0);
bad:
if (sbs && ints_setup) {
(void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
}
if (sbs && sbs->sbus_ires) {
bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
}
if (locksetup && isp) {
mtx_destroy(&isp->isp_osinfo.lock);
}
if (regs) {
(void) bus_release_resource(dev, 0, 0, regs);
}
if (sbs) {
if (sbs->sbus_isp.isp_param) {
free(sbs->sbus_isp.isp_param, M_DEVBUF);
}
free(sbs, M_DEVBUF);
}
return (ENXIO);
}
#define IspVirt2Off(a, x) \
(((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
_BLK_REG_SHFT] + ((x) & 0xff))
#define BXR2(sbc, off) \
bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
static int
isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
{
uint16_t isr, sema;
isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
isr &= INT_PENDING_MASK(isp);
sema &= BIU_SEMA_LOCK;
if (isr == 0 && sema == 0) {
return (0);
}
*isrp = isr;
if ((*semap = sema) != 0) {
*mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
}
return (1);
}
static uint32_t
isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
{
uint16_t rval;
struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
offset += (regoff & 0xff);
rval = bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, offset);
isp_prt(isp, ISP_LOGDEBUG3,
"isp_sbus_rd_reg(off %x) = %x", regoff, rval);
return (rval);
}
static void
isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
{
struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
offset += (regoff & 0xff);
isp_prt(isp, ISP_LOGDEBUG3,
"isp_sbus_wr_reg(off %x) = %x", regoff, val);
bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, offset, val);
MEMORYBARRIER(isp, SYNC_REG, offset, 2);
}
struct imush {
ispsoftc_t *isp;
int error;
};
static void imc(void *, bus_dma_segment_t *, int, int);
static void
imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
{
struct imush *imushp = (struct imush *) arg;
if (error) {
imushp->error = error;
} else {
ispsoftc_t *isp =imushp->isp;
bus_addr_t addr = segs->ds_addr;
isp->isp_rquest_dma = addr;
addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
isp->isp_result_dma = addr;
}
}
static int
isp_sbus_mbxdma(ispsoftc_t *isp)
{
caddr_t base;
uint32_t len;
int i, error, ns;
struct imush im;
/*
* Already been here? If so, leave...
*/
if (isp->isp_rquest) {
return (0);
}
ISP_UNLOCK(isp);
len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
if (isp->isp_osinfo.pcmd_pool == NULL) {
isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
ISP_LOCK(isp);
return (1);
}
len = sizeof (XS_T **) * isp->isp_maxcmds;
isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
if (isp->isp_xflist == NULL) {
isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
ISP_LOCK(isp);
return (1);
}
len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
free(isp->isp_xflist, M_DEVBUF);
ISP_LOCK(isp);
return(1);
}
/*
* Allocate and map the request, result queues, plus FC scratch area.
*/
len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
ns = (len / PAGE_SIZE) + 1;
if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN,
BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns,
BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.cdmat)) {
isp_prt(isp, ISP_LOGERR,
"cannot create a dma tag for control spaces");
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
free(isp->isp_xflist, M_DEVBUF);
ISP_LOCK(isp);
return (1);
}
if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT,
&isp->isp_osinfo.cdmap) != 0) {
isp_prt(isp, ISP_LOGERR,
"cannot allocate %d bytes of CCB memory", len);
bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
free(isp->isp_xflist, M_DEVBUF);
ISP_LOCK(isp);
return (1);
}
for (i = 0; i < isp->isp_maxcmds; i++) {
struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
if (error) {
isp_prt(isp, ISP_LOGERR,
"error %d creating per-cmd DMA maps", error);
while (--i >= 0) {
bus_dmamap_destroy(isp->isp_osinfo.dmat,
isp->isp_osinfo.pcmd_pool[i].dmap);
}
goto bad;
}
callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
if (i == isp->isp_maxcmds-1) {
pcmd->next = NULL;
} else {
pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
}
}
isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
im.isp = isp;
im.error = 0;
bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
if (im.error) {
isp_prt(isp, ISP_LOGERR,
"error %d loading dma map for control areas", im.error);
goto bad;
}
isp->isp_rquest = base;
base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
isp->isp_result = base;
ISP_LOCK(isp);
return (0);
bad:
bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
free(isp->isp_xflist, M_DEVBUF);
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
isp->isp_rquest = NULL;
ISP_LOCK(isp);
return (1);
}
typedef struct {
ispsoftc_t *isp;
void *cmd_token;
void *rq; /* original request */
int error;
bus_size_t mapsize;
} mush_t;
#define MUSHERR_NOQENTRIES -2
static void dma2(void *, bus_dma_segment_t *, int, int);
static void
dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
{
mush_t *mp;
ispsoftc_t *isp;
struct ccb_scsiio *csio;
isp_ddir_t ddir;
ispreq_t *rq;
mp = (mush_t *) arg;
if (error) {
mp->error = error;
return;
}
csio = mp->cmd_token;
isp = mp->isp;
rq = mp->rq;
if (nseg) {
if (sizeof (bus_addr_t) > 4) {
if (rq->req_header.rqs_entry_type == RQSTYPE_T2RQS) {
rq->req_header.rqs_entry_type = RQSTYPE_T3RQS;
} else if (rq->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
rq->req_header.rqs_entry_type = RQSTYPE_A64;
}
}
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
ddir = ISP_FROM_DEVICE;
} else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
ddir = ISP_TO_DEVICE;
} else {
ddir = ISP_NOXFR;
}
} else {
dm_segs = NULL;
nseg = 0;
ddir = ISP_NOXFR;
}
if (isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir) != CMD_QUEUED) {
mp->error = MUSHERR_NOQENTRIES;
}
}
static int
isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
{
mush_t mush, *mp;
void (*eptr)(void *, bus_dma_segment_t *, int, int);
mp = &mush;
mp->isp = isp;
mp->cmd_token = csio;
mp->rq = ff;
mp->error = 0;
mp->mapsize = 0;
eptr = dma2;
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
(*eptr)(mp, NULL, 0, 0);
} else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
int error;
error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
#if 0
xpt_print(csio->ccb_h.path, "%s: bus_dmamap_load " "ptr %p len %d returned %d\n", __func__, csio->data_ptr, csio->dxfer_len, error);
#endif
if (error == EINPROGRESS) {
bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
mp->error = EINVAL;
isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
} else if (error && mp->error == 0) {
#ifdef DIAGNOSTIC
isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
#endif
mp->error = error;
}
} else {
/* Pointer to physical buffer */
struct bus_dma_segment seg;
seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
seg.ds_len = csio->dxfer_len;
(*eptr)(mp, &seg, 1, 0);
}
} else {
struct bus_dma_segment *segs;
if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
mp->error = EINVAL;
} else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
isp_prt(isp, ISP_LOGERR, "Physical SG/LIST Phys segment pointers unsupported");
mp->error = EINVAL;
} else {
/* Just use the segments provided */
segs = (struct bus_dma_segment *) csio->data_ptr;
(*eptr)(mp, segs, csio->sglist_cnt, 0);
}
}
if (mp->error) {
int retval = CMD_COMPLETE;
if (mp->error == MUSHERR_NOQENTRIES) {
retval = CMD_EAGAIN;
} else if (mp->error == EFBIG) {
XS_SETERR(csio, CAM_REQ_TOO_BIG);
} else if (mp->error == EINVAL) {
XS_SETERR(csio, CAM_REQ_INVALID);
} else {
XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
}
return (retval);
}
return (CMD_QUEUED);
}
static void
isp_sbus_reset0(ispsoftc_t *isp)
{
ISP_DISABLE_INTS(isp);
}
static void
isp_sbus_reset1(ispsoftc_t *isp)
{
ISP_ENABLE_INTS(isp);
}
static void
isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
{
if (msg)
printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
else
printf("%s:\n", device_get_nameunit(isp->isp_dev));
printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
ISP_READ(isp, CDMA_FIFO_STS));
printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
ISP_READ(isp, DDMA_FIFO_STS));
printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
ISP_READ(isp, SXP_INTERRUPT),
ISP_READ(isp, SXP_GROSS_ERR),
ISP_READ(isp, SXP_PINS_CTRL));
ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
printf(" mbox regs: %x %x %x %x %x\n",
ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
ISP_READ(isp, OUTMAILBOX4));
}
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