File: [local] / sys / dev / pci / isp_pci.c (download)
Revision 1.1, Tue Mar 4 16:13:34 2008 UTC (16 years, 1 month ago) by nbrk
Branch point for: MAIN
Initial revision
|
/* $OpenBSD: isp_pci.c,v 1.39 2007/02/28 19:40:38 kettenis Exp $ */
/*
* PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
*
*---------------------------------------
* Copyright (c) 1997, 1998, 1999 by Matthew Jacob
* NASA/Ames Research Center
* 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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. 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.
*
*/
#include <dev/ic/isp_openbsd.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcidevs.h>
#ifdef __sparc64__
#include <dev/ofw/openfirm.h>
#endif
static u_int16_t isp_pci_rd_reg(struct ispsoftc *, int);
static void isp_pci_wr_reg(struct ispsoftc *, int, u_int16_t);
#if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
static u_int16_t isp_pci_rd_reg_1080(struct ispsoftc *, int);
static void isp_pci_wr_reg_1080(struct ispsoftc *, int, u_int16_t);
#endif
static int
isp_pci_rd_isr(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *);
#ifndef ISP_DISABLE_2300_SUPPORT
static int
isp_pci_rd_isr_2300(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *);
#endif
static int isp_pci_mbxdma(struct ispsoftc *);
static int isp_pci_dmasetup(struct ispsoftc *, struct scsi_xfer *,
ispreq_t *, u_int16_t *, u_int16_t);
static void
isp_pci_dmateardown (struct ispsoftc *, struct scsi_xfer *, u_int16_t);
static void isp_pci_reset1 (struct ispsoftc *);
static void isp_pci_dumpregs (struct ispsoftc *, const char *);
static int isp_pci_intr (void *);
#ifdef ISP_COMPILE_FW
#define ISP_COMPILE_1040_FW 1
#define ISP_COMPILE_1080_FW 1
#define ISP_COMPILE_12160_FW 1
#define ISP_COMPILE_2100_FW 1
#define ISP_COMPILE_2200_FW 1
#define ISP_COMPILE_2300_FW 1
#endif
#if defined(ISP_DISABLE_1040_SUPPORT) || !defined(ISP_COMPILE_1040_FW)
#define ISP_1040_RISC_CODE NULL
#else
#define ISP_1040_RISC_CODE (u_int16_t *) isp_1040_risc_code
#include <dev/microcode/isp/asm_1040.h>
#endif
#if defined(ISP_DISABLE_1080_SUPPORT) || !defined(ISP_COMPILE_1080_FW)
#define ISP_1080_RISC_CODE NULL
#else
#define ISP_1080_RISC_CODE (u_int16_t *) isp_1080_risc_code
#include <dev/microcode/isp/asm_1080.h>
#endif
#if defined(ISP_DISABLE_12160_SUPPORT) || !defined(ISP_COMPILE_12160_FW)
#define ISP_12160_RISC_CODE (u_int16_t *) NULL
#else
#define ISP_12160_RISC_CODE (u_int16_t *) isp_12160_risc_code
#include <dev/microcode/isp/asm_12160.h>
#endif
#if defined(ISP_DISABLE_2100_SUPPORT) || !defined(ISP_COMPILE_2100_FW)
#define ISP_2100_RISC_CODE NULL
#else
#define ISP_2100_RISC_CODE (u_int16_t *) isp_2100_risc_code
#include <dev/microcode/isp/asm_2100.h>
#endif
#if defined(ISP_DISABLE_2200_SUPPORT) || !defined(ISP_COMPILE_2200_FW)
#define ISP_2200_RISC_CODE NULL
#else
#define ISP_2200_RISC_CODE (u_int16_t *) isp_2200_risc_code
#include <dev/microcode/isp/asm_2200.h>
#endif
#if defined(ISP_DISABLE_2300_SUPPORT) || !defined(ISP_COMPILE_2300_FW)
#define ISP_2300_RISC_CODE NULL
#else
#define ISP_2300_RISC_CODE (u_int16_t *) isp_2300_risc_code
#include <dev/microcode/isp/asm_2300.h>
#endif
#ifndef ISP_DISABLE_1020_SUPPORT
static struct ispmdvec mdvec = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_1040_RISC_CODE,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
#endif
#ifndef ISP_DISABLE_1080_SUPPORT
static struct ispmdvec mdvec_1080 = {
isp_pci_rd_isr,
isp_pci_rd_reg_1080,
isp_pci_wr_reg_1080,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_1080_RISC_CODE,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
#endif
#ifndef ISP_DISABLE_12160_SUPPORT
static struct ispmdvec mdvec_12160 = {
isp_pci_rd_isr,
isp_pci_rd_reg_1080,
isp_pci_wr_reg_1080,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_12160_RISC_CODE,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
#endif
#ifndef ISP_DISABLE_2100_SUPPORT
static struct ispmdvec mdvec_2100 = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_2100_RISC_CODE
};
#endif
#ifndef ISP_DISABLE_2200_SUPPORT
static struct ispmdvec mdvec_2200 = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_2200_RISC_CODE
};
#endif
#ifndef ISP_DISABLE_2300_SUPPORT
static struct ispmdvec mdvec_2300 = {
isp_pci_rd_isr_2300,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_pci_dmateardown,
NULL,
isp_pci_reset1,
isp_pci_dumpregs,
ISP_2300_RISC_CODE
};
#endif
#ifndef PCI_VENDOR_QLOGIC
#define PCI_VENDOR_QLOGIC 0x1077
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP1020
#define PCI_PRODUCT_QLOGIC_ISP1020 0x1020
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP1080
#define PCI_PRODUCT_QLOGIC_ISP1080 0x1080
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP1240
#define PCI_PRODUCT_QLOGIC_ISP1240 0x1240
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP1280
#define PCI_PRODUCT_QLOGIC_ISP1280 0x1280
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP10160
#define PCI_PRODUCT_QLOGIC_ISP10160 0x1016
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP12160
#define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2100
#define PCI_PRODUCT_QLOGIC_ISP2100 0x2100
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2200
#define PCI_PRODUCT_QLOGIC_ISP2200 0x2200
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2300
#define PCI_PRODUCT_QLOGIC_ISP2300 0x2300
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2312
#define PCI_PRODUCT_QLOGIC_ISP2312 0x2312
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP6312
#define PCI_PRODUCT_QLOGIC_ISP6312 0x6312
#endif
#define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1080 \
((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1240 \
((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1280 \
((PCI_PRODUCT_QLOGIC_ISP1280 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP10160 \
((PCI_PRODUCT_QLOGIC_ISP10160 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP12160 \
((PCI_PRODUCT_QLOGIC_ISP12160 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2100 \
((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2200 \
((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2300 \
((PCI_PRODUCT_QLOGIC_ISP2300 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2312 \
((PCI_PRODUCT_QLOGIC_ISP2312 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP6312 \
((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
/*
* Odd case for some AMI raid cards... We need to *not* attach to this.
*/
#define AMI_RAID_SUBVENDOR_ID 0x101e
#define IO_MAP_REG 0x10
#define MEM_MAP_REG 0x14
#define PCIR_ROMADDR 0x30
#define PCI_DFLT_LTNCY 0x40
#define PCI_DFLT_LNSZ 0x10
#ifndef SCSI_ISP_PREFER_MEM_MAP
#ifdef __alpha__
#define SCSI_ISP_PREFER_MEM_MAP 1
#else
#define SCSI_ISP_PREFER_MEM_MAP 0
#endif
#endif
#ifndef BUS_DMA_COHERENT
#define BUS_DMA_COHERENT BUS_DMAMEM_NOSYNC
#endif
static int isp_pci_probe (struct device *, void *, void *);
static void isp_pci_attach (struct device *, struct device *, void *);
struct isp_pcisoftc {
struct ispsoftc pci_isp;
pci_chipset_tag_t pci_pc;
pcitag_t pci_tag;
bus_space_tag_t pci_st;
bus_space_handle_t pci_sh;
bus_dmamap_t *pci_xfer_dmap;
void * pci_ih;
int16_t pci_poff[_NREG_BLKS];
};
struct cfattach isp_pci_ca = {
sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach
};
#ifdef DEBUG
const char vstring[] =
"Qlogic ISP Driver, NetBSD (pci) Platform Version %d.%d Core Version %d.%d";
#endif
const struct pci_matchid ispdev[] = {
#ifndef ISP_DISABLE_1020_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1020 },
#endif
#ifndef ISP_DISABLE_1080_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1080 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1240 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP1280 },
#endif
#ifndef ISP_DISABLE_12160_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP10160 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP12160 },
#endif
#ifndef ISP_DISABLE_2100_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2100 },
#endif
#ifndef ISP_DISABLE_2200_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2200 },
#endif
#ifndef ISP_DISABLE_2300_SUPPORT
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2300 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP2312 },
{ PCI_VENDOR_QLOGIC, PCI_PRODUCT_QLOGIC_ISP6312 },
#endif
{ 0, 0 }
};
static int
isp_pci_probe(struct device *parent, void *match, void *aux)
{
struct pci_attach_args *pa = aux;
#ifndef ISP_DISABLE_12160_SUPPORT
/*
* Sigh. Check for subvendor id match here. Too bad we
* can't give an exclude mask in matchbyid.
*/
if (pa->pa_id == PCI_QLOGIC_ISP12160) {
pcireg_t subvid =
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBVEND_0);
if (PCI_VENDOR(subvid) == AMI_RAID_SUBVENDOR_ID) {
return (0);
}
}
#endif
return (pci_matchbyid(pa, ispdev, sizeof(ispdev)/sizeof(ispdev[0])));
}
static void
isp_pci_attach(struct device *parent, struct device *self, void *aux)
{
#ifdef DEBUG
static char oneshot = 1;
#endif
static const char nomem[] = ": no mem for sdparam table\n";
u_int32_t data, rev, linesz = PCI_DFLT_LNSZ;
struct pci_attach_args *pa = aux;
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self;
struct ispsoftc *isp = &pcs->pci_isp;
bus_space_tag_t st, iot, memt;
bus_space_handle_t sh, ioh, memh;
pci_intr_handle_t ih;
const char *intrstr;
int ioh_valid, memh_valid;
bus_size_t iosize, msize;
u_int32_t confopts = 0;
ioh_valid = memh_valid = 0;
#if SCSI_ISP_PREFER_MEM_MAP == 1
if (pci_mapreg_map(pa, MEM_MAP_REG, PCI_MAPREG_TYPE_MEM, 0,
&memt, &memh, NULL, &msize, 0)) {
printf(": can't map mem space\n");
} else {
st = memt;
sh = memh;
memh_valid = 1;
}
if (memh_valid == 0) {
if (pci_mapreg_map(pa, IO_MAP_REG, PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, &iosize, 0)) {
} else {
st = iot;
sh = ioh;
ioh_valid = 1;
}
}
#else
if (pci_mapreg_map(pa, IO_MAP_REG, PCI_MAPREG_TYPE_IO, 0,
&iot, &ioh, NULL, &iosize, 0)) {
printf(": can't map i/o space\n");
} else {
st = iot;
sh = ioh;
ioh_valid = 1;
}
if (ioh_valid == 0) {
if (pci_mapreg_map(pa, MEM_MAP_REG, PCI_MAPREG_TYPE_MEM, 0,
&memt, &memh, NULL, &msize, 0)) {
printf(": can't map mem space\n");
} else {
st = memt;
sh = memh;
memh_valid = 1;
}
}
#endif
if (ioh_valid == 0 && memh_valid == 0) {
printf(": unable to map device registers\n");
return;
}
#if 0
printf("\n");
#endif
pcs->pci_st = st;
pcs->pci_sh = sh;
pcs->pci_pc = pa->pa_pc;
pcs->pci_tag = pa->pa_tag;
pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF;
pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF;
pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
#ifndef ISP_DISABLE_1020_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP) {
isp->isp_mdvec = &mdvec;
isp->isp_type = ISP_HA_SCSI_UNKNOWN;
isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (sdparam));
}
#endif
#ifndef ISP_DISABLE_1080_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP1080) {
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1080;
isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (sdparam));
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
ISP1080_DMA_REGS_OFF;
}
if (pa->pa_id == PCI_QLOGIC_ISP1240) {
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1240;
isp->isp_param = malloc(2 * sizeof (sdparam),
M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (sdparam));
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
ISP1080_DMA_REGS_OFF;
}
if (pa->pa_id == PCI_QLOGIC_ISP1280) {
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1280;
isp->isp_param = malloc(2 * sizeof (sdparam),
M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (sdparam));
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
ISP1080_DMA_REGS_OFF;
}
#endif
#ifndef ISP_DISABLE_12160_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP10160) {
isp->isp_mdvec = &mdvec_12160;
isp->isp_type = ISP_HA_SCSI_10160;
isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (sdparam));
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
ISP1080_DMA_REGS_OFF;
}
if (pa->pa_id == PCI_QLOGIC_ISP12160) {
isp->isp_mdvec = &mdvec_12160;
isp->isp_type = ISP_HA_SCSI_12160;
isp->isp_param = malloc(2 * sizeof (sdparam),
M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, 2 * sizeof (sdparam));
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] =
ISP1080_DMA_REGS_OFF;
}
#endif
#ifndef ISP_DISABLE_2100_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP2100) {
isp->isp_mdvec = &mdvec_2100;
isp->isp_type = ISP_HA_FC_2100;
isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (fcparam));
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
PCI_MBOX_REGS2100_OFF;
if (rev < 3) {
/*
* XXX: Need to get the actual revision
* XXX: number of the 2100 FB. At any rate,
* XXX: lower cache line size for early revision
* XXX; boards.
*/
linesz = 1;
}
}
#endif
#ifndef ISP_DISABLE_2200_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP2200) {
isp->isp_mdvec = &mdvec_2200;
isp->isp_type = ISP_HA_FC_2200;
isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (fcparam));
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
PCI_MBOX_REGS2100_OFF;
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
#ifdef __sparc64__
{
char name[32];
bzero(name, sizeof(name));
OF_getprop(PCITAG_NODE(pa->pa_tag),
"name", name, sizeof(name));
if (strcmp(name, "SUNW,qlc") == 0)
confopts |= ISP_CFG_NONVRAM;
}
#endif
}
#endif
#ifndef ISP_DISABLE_2300_SUPPORT
if (pa->pa_id == PCI_QLOGIC_ISP2300 ||
pa->pa_id == PCI_QLOGIC_ISP2312 ||
pa->pa_id == PCI_QLOGIC_ISP6312) {
isp->isp_mdvec = &mdvec_2300;
if (pa->pa_id == PCI_QLOGIC_ISP2300) {
isp->isp_type = ISP_HA_FC_2300;
} else {
isp->isp_type = ISP_HA_FC_2312;
isp->isp_port = pa->pa_function;
}
isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT);
if (isp->isp_param == NULL) {
printf(nomem);
return;
}
bzero(isp->isp_param, sizeof (fcparam));
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] =
PCI_MBOX_REGS2300_OFF;
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG);
}
#endif
/*
* Set up logging levels.
*/
#ifdef ISP_LOGDEFAULT
isp->isp_dblev = ISP_LOGDEFAULT;
#else
isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
#ifdef SCSIDEBUG
isp->isp_dblev |= ISP_LOGDEBUG1|ISP_LOGDEBUG2;
#endif
#ifdef DEBUG
isp->isp_dblev |= ISP_LOGDEBUG0|ISP_LOGCONFIG|ISP_LOGINFO;
#endif
#endif
#ifdef DEBUG
if (oneshot) {
oneshot = 0;
isp_prt(isp, ISP_LOGCONFIG, vstring,
ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
}
#endif
isp->isp_dmatag = pa->pa_dmat;
isp->isp_revision = rev;
/*
* Make sure that command register set sanely.
*/
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
if (IS_2300(isp)) { /* per QLogic errata */
data &= ~PCI_COMMAND_PARITY_ENABLE;
}
if (IS_23XX(isp)) {
isp->isp_touched = 1;
}
data |= PCI_COMMAND_INVALIDATE_ENABLE;
/*
* Not so sure about these- but I think it's important that they get
* enabled......
*/
data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data);
/*
* Make sure that the latency timer, cache line size,
* and ROM is disabled.
*/
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT);
data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT);
data |= (0x40 << PCI_LATTIMER_SHIFT);
data |= (0x10 << PCI_CACHELINE_SHIFT);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR);
data &= ~1;
pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data);
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
free(isp->isp_param, M_DEVBUF);
return;
}
intrstr = pci_intr_string(pa->pa_pc, ih);
if (intrstr == NULL)
intrstr = "<I dunno>";
pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, isp_pci_intr,
isp, isp->isp_name);
if (pcs->pci_ih == NULL) {
printf(": couldn't establish interrupt at %s\n",
intrstr);
free(isp->isp_param, M_DEVBUF);
return;
}
printf(": %s\n", intrstr);
if (IS_FC(isp)) {
DEFAULT_NODEWWN(isp) = 0x400000007F000003ULL;
DEFAULT_PORTWWN(isp) = 0x400000007F000003ULL;
}
isp->isp_confopts = confopts | self->dv_cfdata->cf_flags;
isp->isp_role = ISP_DEFAULT_ROLES;
ISP_LOCK(isp);
isp->isp_osinfo.no_mbox_ints = 1;
isp_reset(isp);
if (isp->isp_state != ISP_RESETSTATE) {
ISP_UNLOCK(isp);
free(isp->isp_param, M_DEVBUF);
return;
}
ENABLE_INTS(isp);
isp_init(isp);
if (isp->isp_state != ISP_INITSTATE) {
isp_uninit(isp);
ISP_UNLOCK(isp);
free(isp->isp_param, M_DEVBUF);
return;
}
/*
* Do Generic attach now.
*/
isp_attach(isp);
if (isp->isp_state != ISP_RUNSTATE) {
isp_uninit(isp);
ISP_UNLOCK(isp);
free(isp->isp_param, M_DEVBUF);
} else {
ISP_UNLOCK(isp);
}
}
#define IspVirt2Off(a, x) \
(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
_BLK_REG_SHFT] + ((x) & 0xff))
#define BXR2(pcs, off) \
bus_space_read_2(pcs->pci_st, pcs->pci_sh, off)
#define BXW2(pcs, off, v) \
bus_space_write_2(pcs->pci_st, pcs->pci_sh, off, v)
static INLINE int
isp_pci_rd_debounced(struct ispsoftc *isp, int off, u_int16_t *rp)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
u_int16_t val0, val1;
int i = 0;
do {
val0 = BXR2(pcs, IspVirt2Off(isp, off));
val1 = BXR2(pcs, IspVirt2Off(isp, off));
} while (val0 != val1 && ++i < 1000);
if (val0 != val1) {
return (1);
}
*rp = val0;
return (0);
}
static int
isp_pci_rd_isr(struct ispsoftc *isp, u_int16_t *isrp,
u_int16_t *semap, u_int16_t *mbp)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
u_int16_t isr, sema;
if (IS_2100(isp)) {
if (isp_pci_rd_debounced(isp, BIU_ISR, &isr)) {
return (0);
}
if (isp_pci_rd_debounced(isp, BIU_SEMA, &sema)) {
return (0);
}
} else {
isr = BXR2(pcs, IspVirt2Off(isp, BIU_ISR));
sema = BXR2(pcs, 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) {
if (IS_2100(isp)) {
if (isp_pci_rd_debounced(isp, OUTMAILBOX0, mbp)) {
return (0);
}
} else {
*mbp = BXR2(pcs, IspVirt2Off(isp, OUTMAILBOX0));
}
}
return (1);
}
#ifndef ISP_DISABLE_2300_SUPPORT
static int
isp_pci_rd_isr_2300(struct ispsoftc *isp, u_int16_t *isrp,
u_int16_t *semap, u_int16_t *mbox0p)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
u_int32_t r2hisr;
if (!(BXR2(pcs, IspVirt2Off(isp, BIU_ISR)) & BIU2100_ISR_RISC_INT)) {
*isrp = 0;
return (0);
}
r2hisr = bus_space_read_4(pcs->pci_st, pcs->pci_sh,
IspVirt2Off(pcs, BIU_R2HSTSLO));
isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
if ((r2hisr & BIU_R2HST_INTR) == 0) {
*isrp = 0;
return (0);
}
switch (r2hisr & BIU_R2HST_ISTAT_MASK) {
case ISPR2HST_ROM_MBX_OK:
case ISPR2HST_ROM_MBX_FAIL:
case ISPR2HST_MBX_OK:
case ISPR2HST_MBX_FAIL:
case ISPR2HST_ASYNC_EVENT:
*isrp = r2hisr & 0xffff;
*mbox0p = (r2hisr >> 16);
*semap = 1;
return (1);
case ISPR2HST_RIO_16:
*isrp = r2hisr & 0xffff;
*mbox0p = ASYNC_RIO1;
*semap = 1;
return (1);
case ISPR2HST_FPOST:
*isrp = r2hisr & 0xffff;
*mbox0p = ASYNC_CMD_CMPLT;
*semap = 1;
return (1);
case ISPR2HST_FPOST_CTIO:
*isrp = r2hisr & 0xffff;
*mbox0p = ASYNC_CTIO_DONE;
*semap = 1;
return (1);
case ISPR2HST_RSPQ_UPDATE:
*isrp = r2hisr & 0xffff;
*mbox0p = 0;
*semap = 0;
return (1);
default:
return (0);
}
}
#endif
static u_int16_t
isp_pci_rd_reg(struct ispsoftc *isp, int regoff)
{
u_int16_t rv;
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
int oldconf = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
/*
* We will assume that someone has paused the RISC processor.
*/
oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
oldconf | BIU_PCI_CONF1_SXP);
}
rv = BXR2(pcs, IspVirt2Off(isp, regoff));
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
}
return (rv);
}
static void
isp_pci_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
int oldconf = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
/*
* We will assume that someone has paused the RISC processor.
*/
oldconf = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
oldconf | BIU_PCI_CONF1_SXP);
}
BXW2(pcs, IspVirt2Off(isp, regoff), val);
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oldconf);
}
}
#if !(defined(ISP_DISABLE_1080_SUPPORT) && defined(ISP_DISABLE_12160_SUPPORT))
static u_int16_t
isp_pci_rd_reg_1080(struct ispsoftc *isp, int regoff)
{
u_int16_t rv, oc = 0;
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
(regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
u_int16_t tc;
/*
* We will assume that someone has paused the RISC processor.
*/
oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
tc = oc & ~BIU_PCI1080_CONF1_DMA;
if (regoff & SXP_BANK1_SELECT)
tc |= BIU_PCI1080_CONF1_SXP1;
else
tc |= BIU_PCI1080_CONF1_SXP0;
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
oc | BIU_PCI1080_CONF1_DMA);
}
rv = BXR2(pcs, IspVirt2Off(isp, regoff));
if (oc) {
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
}
return (rv);
}
static void
isp_pci_wr_reg_1080(struct ispsoftc *isp, int regoff, u_int16_t val)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp;
int oc = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
(regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
u_int16_t tc;
/*
* We will assume that someone has paused the RISC processor.
*/
oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
tc = oc & ~BIU_PCI1080_CONF1_DMA;
if (regoff & SXP_BANK1_SELECT)
tc |= BIU_PCI1080_CONF1_SXP1;
else
tc |= BIU_PCI1080_CONF1_SXP0;
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), tc);
} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
oc = BXR2(pcs, IspVirt2Off(isp, BIU_CONF1));
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1),
oc | BIU_PCI1080_CONF1_DMA);
}
BXW2(pcs, IspVirt2Off(isp, regoff), val);
if (oc) {
BXW2(pcs, IspVirt2Off(isp, BIU_CONF1), oc);
}
}
#endif
static int
isp_pci_mbxdma(struct ispsoftc *isp)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
bus_dma_tag_t dmat = isp->isp_dmatag;
bus_dma_segment_t sg;
bus_size_t len;
fcparam *fcp;
int rs, i;
if (isp->isp_rquest_dma) /* been here before? */
return (0);
len = isp->isp_maxcmds * sizeof (XS_T *);
isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK);
if (isp->isp_xflist == NULL) {
isp_prt(isp, ISP_LOGERR, "cannot malloc xflist array");
return (1);
}
bzero(isp->isp_xflist, len);
len = isp->isp_maxcmds * sizeof (bus_dmamap_t);
pcs->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
if (pcs->pci_xfer_dmap == NULL) {
free(isp->isp_xflist, M_DEVBUF);
isp->isp_xflist = NULL;
isp_prt(isp, ISP_LOGERR, "cannot malloc dma map array");
return (1);
}
for (i = 0; i < isp->isp_maxcmds; i++) {
if (bus_dmamap_create(dmat, MAXPHYS, (MAXPHYS / NBPG) + 1,
MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) {
isp_prt(isp, ISP_LOGERR, "cannot create dma maps");
break;
}
}
if (i < isp->isp_maxcmds) {
while (--i >= 0) {
bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
}
free(isp->isp_xflist, M_DEVBUF);
free(pcs->pci_xfer_dmap, M_DEVBUF);
isp->isp_xflist = NULL;
pcs->pci_xfer_dmap = NULL;
return (1);
}
/*
* Allocate and map the request queue.
*/
len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
BUS_DMA_NOWAIT) ||
bus_dmamem_map(isp->isp_dmatag, &sg, rs, len,
(caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
goto dmafail;
}
if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
&isp->isp_rqdmap) || bus_dmamap_load(dmat, isp->isp_rqdmap,
(caddr_t)isp->isp_rquest, len, NULL,
BUS_DMA_NOWAIT)) {
goto dmafail;
}
isp->isp_rquest_dma = isp->isp_rqdmap->dm_segs[0].ds_addr;
/*
* Allocate and map the result queue.
*/
len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
BUS_DMA_NOWAIT) ||
bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&isp->isp_result,
BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
goto dmafail;
}
if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
&isp->isp_rsdmap) || bus_dmamap_load(isp->isp_dmatag,
isp->isp_rsdmap, (caddr_t)isp->isp_result, len, NULL,
BUS_DMA_NOWAIT)) {
goto dmafail;
}
isp->isp_result_dma = isp->isp_rsdmap->dm_segs[0].ds_addr;
if (IS_SCSI(isp)) {
return (0);
}
fcp = isp->isp_param;
len = ISP2100_SCRLEN;
if (bus_dmamem_alloc(dmat, len, PAGE_SIZE, 0, &sg, 1, &rs,
BUS_DMA_NOWAIT) ||
bus_dmamem_map(dmat, &sg, rs, len, (caddr_t *)&fcp->isp_scratch,
BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
goto dmafail;
}
if (bus_dmamap_create(dmat, len, 1, len, 0, BUS_DMA_NOWAIT,
&isp->isp_scdmap) || bus_dmamap_load(dmat,
isp->isp_scdmap, (caddr_t)fcp->isp_scratch, len, NULL,
BUS_DMA_NOWAIT)) {
goto dmafail;
}
fcp->isp_scdma = isp->isp_scdmap->dm_segs[0].ds_addr;
return (0);
dmafail:
isp_prt(isp, ISP_LOGERR, "mailbox dma setup failure");
for (i = 0; i < isp->isp_maxcmds; i++) {
bus_dmamap_destroy(dmat, pcs->pci_xfer_dmap[i]);
}
free(isp->isp_xflist, M_DEVBUF);
free(pcs->pci_xfer_dmap, M_DEVBUF);
isp->isp_xflist = NULL;
pcs->pci_xfer_dmap = NULL;
return (1);
}
static int
isp_pci_dmasetup(struct ispsoftc *isp, XS_T *xs, ispreq_t *rq,
u_int16_t *nxtip, u_int16_t optr)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
bus_dmamap_t dmap;
u_int16_t starti = isp->isp_reqidx, nxti = *nxtip;
ispreq_t *qep;
int segcnt, seg, error, ovseg, seglim, drq;
qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, starti);
dmap = pcs->pci_xfer_dmap[isp_handle_index(rq->req_handle)];
if (xs->datalen == 0) {
rq->req_seg_count = 1;
goto mbxsync;
}
if (xs->flags & SCSI_DATA_IN) {
drq = REQFLAG_DATA_IN;
} else {
drq = REQFLAG_DATA_OUT;
}
if (IS_FC(isp)) {
seglim = ISP_RQDSEG_T2;
((ispreqt2_t *)rq)->req_totalcnt = xs->datalen;
((ispreqt2_t *)rq)->req_flags |= drq;
} else {
rq->req_flags |= drq;
if (XS_CDBLEN(xs) > 12)
seglim = 0;
else
seglim = ISP_RQDSEG;
}
error = bus_dmamap_load(isp->isp_dmatag, dmap, xs->data, xs->datalen,
NULL, (xs->flags & SCSI_NOSLEEP) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
if (error) {
XS_SETERR(xs, HBA_BOTCH);
return (CMD_COMPLETE);
}
segcnt = dmap->dm_nsegs;
isp_prt(isp, ISP_LOGDEBUG2, "%d byte %s %p in %d segs",
xs->datalen, (xs->flags & SCSI_DATA_IN)? "read to" :
"write from", xs->data, segcnt);
for (seg = 0, rq->req_seg_count = 0;
seg < segcnt && rq->req_seg_count < seglim;
seg++, rq->req_seg_count++) {
if (isp->isp_type & ISP_HA_FC) {
ispreqt2_t *rq2 = (ispreqt2_t *)rq;
rq2->req_dataseg[rq2->req_seg_count].ds_count =
dmap->dm_segs[seg].ds_len;
rq2->req_dataseg[rq2->req_seg_count].ds_base =
dmap->dm_segs[seg].ds_addr;
} else {
rq->req_dataseg[rq->req_seg_count].ds_count =
dmap->dm_segs[seg].ds_len;
rq->req_dataseg[rq->req_seg_count].ds_base =
dmap->dm_segs[seg].ds_addr;
}
isp_prt(isp, ISP_LOGDEBUG2, "seg0.[%d]={0x%lx,%lu}",
rq->req_seg_count, (long) dmap->dm_segs[seg].ds_addr,
(unsigned long) dmap->dm_segs[seg].ds_len);
}
if (seg == segcnt) {
goto dmasync;
}
do {
u_int16_t onxti;
ispcontreq_t *crq, *cqe, local;
crq = &local;
cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
onxti = nxti;
nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
if (nxti == optr) {
isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
bus_dmamap_unload(isp->isp_dmatag, dmap);
XS_SETERR(xs, HBA_BOTCH);
return (CMD_EAGAIN);
}
rq->req_header.rqs_entry_count++;
bzero((void *)crq, sizeof (*crq));
crq->req_header.rqs_entry_count = 1;
crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG;
rq->req_seg_count++, seg++, ovseg++) {
crq->req_dataseg[ovseg].ds_count =
dmap->dm_segs[seg].ds_len;
crq->req_dataseg[ovseg].ds_base =
dmap->dm_segs[seg].ds_addr;
isp_prt(isp, ISP_LOGDEBUG2, "seg%d.[%d]={0x%lx,%lu}",
rq->req_header.rqs_entry_count - 1,
rq->req_seg_count, (long)dmap->dm_segs[seg].ds_addr,
(unsigned long) dmap->dm_segs[seg].ds_len);
}
isp_put_cont_req(isp, crq, cqe);
MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
} while (seg < segcnt);
dmasync:
bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize,
(xs->flags & SCSI_DATA_IN) ? BUS_DMASYNC_PREREAD :
BUS_DMASYNC_PREWRITE);
mbxsync:
switch (rq->req_header.rqs_entry_type) {
case RQSTYPE_REQUEST:
isp_put_request(isp, rq, qep);
break;
case RQSTYPE_CMDONLY:
isp_put_extended_request(isp, (ispextreq_t *)rq,
(ispextreq_t *)qep);
break;
case RQSTYPE_T2RQS:
isp_put_request_t2(isp, (ispreqt2_t *) rq, (ispreqt2_t *) qep);
break;
}
*nxtip = nxti;
return (CMD_QUEUED);
}
static int
isp_pci_intr(void *arg)
{
u_int16_t isr, sema, mbox;
struct ispsoftc *isp = (struct ispsoftc *)arg;
isp->isp_intcnt++;
if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
isp->isp_intbogus++;
return (0);
} else {
isp->isp_osinfo.onintstack = 1;
isp_intr(isp, isr, sema, mbox);
isp->isp_osinfo.onintstack = 0;
return (1);
}
}
static void
isp_pci_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
bus_dmamap_t dmap = pcs->pci_xfer_dmap[isp_handle_index(handle)];
bus_dmamap_sync(isp->isp_dmatag, dmap, 0, dmap->dm_mapsize,
(xs->flags & SCSI_DATA_IN)?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(isp->isp_dmatag, dmap);
}
static void
isp_pci_reset1(struct ispsoftc *isp)
{
/* Make sure the BIOS is disabled */
isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
if (isp->isp_osinfo.no_mbox_ints == 0) {
ENABLE_INTS(isp);
}
}
static void
isp_pci_dumpregs(struct ispsoftc *isp, const char *msg)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
if (msg)
isp_prt(isp, ISP_LOGERR, "%s", msg);
isp_prt(isp, ISP_LOGERR, "PCI Status Command/Status=%x\n",
pci_conf_read(pcs->pci_pc, pcs->pci_tag, PCI_COMMAND_STATUS_REG));
}
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