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|
/*-
* Copyright (c) 1997-2008 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.
*/
/*
* PCI 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/kernel.h>
#include <sys/module.h>
#include <sys/linker.h>
#include <sys/firmware.h>
#include <sys/bus.h>
#include <sys/stdint.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <machine/bus.h>
#include <machine/resource.h>
#include <sys/rman.h>
#include <sys/malloc.h>
#include <sys/uio.h>
#ifdef __sparc64__
#include <dev/ofw/openfirm.h>
#include <machine/ofw_machdep.h>
#endif
#include <dev/isp/isp_freebsd.h>
static uint32_t isp_pci_rd_reg(ispsoftc_t *, int);
static void isp_pci_wr_reg(ispsoftc_t *, int, uint32_t);
static uint32_t isp_pci_rd_reg_1080(ispsoftc_t *, int);
static void isp_pci_wr_reg_1080(ispsoftc_t *, int, uint32_t);
static uint32_t isp_pci_rd_reg_2400(ispsoftc_t *, int);
static void isp_pci_wr_reg_2400(ispsoftc_t *, int, uint32_t);
static int isp_pci_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
static int isp_pci_rd_isr_2300(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
static int isp_pci_rd_isr_2400(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
static int isp_pci_mbxdma(ispsoftc_t *);
static int isp_pci_dmasetup(ispsoftc_t *, XS_T *, void *);
static void isp_pci_reset0(ispsoftc_t *);
static void isp_pci_reset1(ispsoftc_t *);
static void isp_pci_dumpregs(ispsoftc_t *, const char *);
static struct ispmdvec mdvec = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs,
NULL,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
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_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs,
NULL,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
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_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs,
NULL,
BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
};
static struct ispmdvec mdvec_2100 = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs
};
static struct ispmdvec mdvec_2200 = {
isp_pci_rd_isr,
isp_pci_rd_reg,
isp_pci_wr_reg,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs
};
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_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
isp_pci_dumpregs
};
static struct ispmdvec mdvec_2400 = {
isp_pci_rd_isr_2400,
isp_pci_rd_reg_2400,
isp_pci_wr_reg_2400,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
NULL
};
static struct ispmdvec mdvec_2500 = {
isp_pci_rd_isr_2400,
isp_pci_rd_reg_2400,
isp_pci_wr_reg_2400,
isp_pci_mbxdma,
isp_pci_dmasetup,
isp_common_dmateardown,
isp_pci_reset0,
isp_pci_reset1,
NULL
};
#ifndef PCIM_CMD_INVEN
#define PCIM_CMD_INVEN 0x10
#endif
#ifndef PCIM_CMD_BUSMASTEREN
#define PCIM_CMD_BUSMASTEREN 0x0004
#endif
#ifndef PCIM_CMD_PERRESPEN
#define PCIM_CMD_PERRESPEN 0x0040
#endif
#ifndef PCIM_CMD_SEREN
#define PCIM_CMD_SEREN 0x0100
#endif
#ifndef PCIM_CMD_INTX_DISABLE
#define PCIM_CMD_INTX_DISABLE 0x0400
#endif
#ifndef PCIR_COMMAND
#define PCIR_COMMAND 0x04
#endif
#ifndef PCIR_CACHELNSZ
#define PCIR_CACHELNSZ 0x0c
#endif
#ifndef PCIR_LATTIMER
#define PCIR_LATTIMER 0x0d
#endif
#ifndef PCIR_ROMADDR
#define PCIR_ROMADDR 0x30
#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_ISP10160
#define PCI_PRODUCT_QLOGIC_ISP10160 0x1016
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP12160
#define PCI_PRODUCT_QLOGIC_ISP12160 0x1216
#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_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_ISP2322
#define PCI_PRODUCT_QLOGIC_ISP2322 0x2322
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2422
#define PCI_PRODUCT_QLOGIC_ISP2422 0x2422
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2432
#define PCI_PRODUCT_QLOGIC_ISP2432 0x2432
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP2532
#define PCI_PRODUCT_QLOGIC_ISP2532 0x2532
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP6312
#define PCI_PRODUCT_QLOGIC_ISP6312 0x6312
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP6322
#define PCI_PRODUCT_QLOGIC_ISP6322 0x6322
#endif
#ifndef PCI_PRODUCT_QLOGIC_ISP5432
#define PCI_PRODUCT_QLOGIC_ISP5432 0x5432
#endif
#define PCI_QLOGIC_ISP5432 \
((PCI_PRODUCT_QLOGIC_ISP5432 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1020 \
((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1080 \
((PCI_PRODUCT_QLOGIC_ISP1080 << 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_ISP1240 \
((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP1280 \
((PCI_PRODUCT_QLOGIC_ISP1280 << 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_ISP2322 \
((PCI_PRODUCT_QLOGIC_ISP2322 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2422 \
((PCI_PRODUCT_QLOGIC_ISP2422 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2432 \
((PCI_PRODUCT_QLOGIC_ISP2432 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP2532 \
((PCI_PRODUCT_QLOGIC_ISP2532 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP6312 \
((PCI_PRODUCT_QLOGIC_ISP6312 << 16) | PCI_VENDOR_QLOGIC)
#define PCI_QLOGIC_ISP6322 \
((PCI_PRODUCT_QLOGIC_ISP6322 << 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 PCI_DFLT_LTNCY 0x40
#define PCI_DFLT_LNSZ 0x10
static int isp_pci_probe (device_t);
static int isp_pci_attach (device_t);
static int isp_pci_detach (device_t);
#define ISP_PCD(isp) ((struct isp_pcisoftc *)isp)->pci_dev
struct isp_pcisoftc {
ispsoftc_t pci_isp;
device_t pci_dev;
struct resource * regs;
void * irq;
int iqd;
int rtp;
int rgd;
void * ih;
int16_t pci_poff[_NREG_BLKS];
bus_dma_tag_t dmat;
int msicount;
};
static device_method_t isp_pci_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, isp_pci_probe),
DEVMETHOD(device_attach, isp_pci_attach),
DEVMETHOD(device_detach, isp_pci_detach),
{ 0, 0 }
};
static driver_t isp_pci_driver = {
"isp", isp_pci_methods, sizeof (struct isp_pcisoftc)
};
static devclass_t isp_devclass;
DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
MODULE_DEPEND(isp, cam, 1, 1, 1);
MODULE_DEPEND(isp, firmware, 1, 1, 1);
static int isp_nvports = 0;
static int
isp_pci_probe(device_t dev)
{
switch ((pci_get_device(dev) << 16) | (pci_get_vendor(dev))) {
case PCI_QLOGIC_ISP1020:
device_set_desc(dev, "Qlogic ISP 1020/1040 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP1080:
device_set_desc(dev, "Qlogic ISP 1080 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP1240:
device_set_desc(dev, "Qlogic ISP 1240 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP1280:
device_set_desc(dev, "Qlogic ISP 1280 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP10160:
device_set_desc(dev, "Qlogic ISP 10160 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP12160:
if (pci_get_subvendor(dev) == AMI_RAID_SUBVENDOR_ID) {
return (ENXIO);
}
device_set_desc(dev, "Qlogic ISP 12160 PCI SCSI Adapter");
break;
case PCI_QLOGIC_ISP2100:
device_set_desc(dev, "Qlogic ISP 2100 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2200:
device_set_desc(dev, "Qlogic ISP 2200 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2300:
device_set_desc(dev, "Qlogic ISP 2300 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2312:
device_set_desc(dev, "Qlogic ISP 2312 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2322:
device_set_desc(dev, "Qlogic ISP 2322 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2422:
device_set_desc(dev, "Qlogic ISP 2422 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2432:
device_set_desc(dev, "Qlogic ISP 2432 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP2532:
device_set_desc(dev, "Qlogic ISP 2532 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP5432:
device_set_desc(dev, "Qlogic ISP 5432 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP6312:
device_set_desc(dev, "Qlogic ISP 6312 PCI FC-AL Adapter");
break;
case PCI_QLOGIC_ISP6322:
device_set_desc(dev, "Qlogic ISP 6322 PCI FC-AL Adapter");
break;
default:
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++;
}
/*
* XXXX: Here is where we might load the f/w module
* XXXX: (or increase a reference count to it).
*/
return (BUS_PROBE_DEFAULT);
}
static void
isp_get_generic_options(device_t dev, ispsoftc_t *isp)
{
int tval;
/*
* Figure out if we're supposed to skip this one.
*/
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "disable", &tval) == 0 && tval) {
device_printf(dev, "disabled at user request\n");
isp->isp_osinfo.disabled = 1;
return;
}
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;
}
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "ignore_nvram", &tval) == 0 && tval != 0) {
isp->isp_confopts |= ISP_CFG_NONVRAM;
}
tval = 0;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &tval);
if (tval) {
isp->isp_dblev = tval;
} else {
isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
}
if (bootverbose) {
isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
}
tval = -1;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "vports", &tval);
if (tval > 0 && tval < 127) {
isp_nvports = tval;
}
tval = 1;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "autoconfig", &tval);
isp_autoconfig = tval;
tval = 7;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "quickboot_time", &tval);
isp_quickboot_time = tval;
}
static void
isp_get_pci_options(device_t dev, int *m1, int *m2)
{
int tval;
/*
* Which we should try first - memory mapping or i/o mapping?
*
* We used to try memory first followed by i/o on alpha, otherwise
* the reverse, but we should just try memory first all the time now.
*/
*m1 = PCIM_CMD_MEMEN;
*m2 = PCIM_CMD_PORTEN;
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_iomap", &tval) == 0 && tval != 0) {
*m1 = PCIM_CMD_PORTEN;
*m2 = PCIM_CMD_MEMEN;
}
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "prefer_memmap", &tval) == 0 && tval != 0) {
*m1 = PCIM_CMD_MEMEN;
*m2 = PCIM_CMD_PORTEN;
}
}
static void
isp_get_specific_options(device_t dev, int chan, ispsoftc_t *isp)
{
const char *sptr;
int tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "iid", &tval)) {
if (IS_FC(isp)) {
ISP_FC_PC(isp, chan)->default_id = 109 - chan;
} else {
#ifdef __sparc64__
ISP_SPI_PC(isp, chan)->iid = OF_getscsinitid(dev);
#else
ISP_SPI_PC(isp, chan)->iid = 7;
#endif
}
} else {
if (IS_FC(isp)) {
ISP_FC_PC(isp, chan)->default_id = tval - chan;
} else {
ISP_SPI_PC(isp, chan)->iid = tval;
}
isp->isp_confopts |= ISP_CFG_OWNLOOPID;
}
tval = -1;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "role", &tval) == 0) {
switch (tval) {
case ISP_ROLE_NONE:
case ISP_ROLE_INITIATOR:
case ISP_ROLE_TARGET:
case ISP_ROLE_INITIATOR|ISP_ROLE_TARGET:
device_printf(dev, "setting role to 0x%x\n", tval);
break;
default:
tval = -1;
break;
}
}
if (tval == -1) {
tval = ISP_DEFAULT_ROLES;
}
if (IS_SCSI(isp)) {
ISP_SPI_PC(isp, chan)->def_role = tval;
return;
}
ISP_FC_PC(isp, chan)->def_role = tval;
tval = 0;
if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fullduplex", &tval) == 0 && tval != 0) {
isp->isp_confopts |= ISP_CFG_FULL_DUPLEX;
}
sptr = 0;
if (resource_string_value(device_get_name(dev), device_get_unit(dev), "topology", (const char **) &sptr) == 0 && sptr != 0) {
if (strcmp(sptr, "lport") == 0) {
isp->isp_confopts |= ISP_CFG_LPORT;
} else if (strcmp(sptr, "nport") == 0) {
isp->isp_confopts |= ISP_CFG_NPORT;
} else if (strcmp(sptr, "lport-only") == 0) {
isp->isp_confopts |= ISP_CFG_LPORT_ONLY;
} else if (strcmp(sptr, "nport-only") == 0) {
isp->isp_confopts |= ISP_CFG_NPORT_ONLY;
}
}
tval = 0;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "nofctape", &tval);
if (tval) {
isp->isp_confopts |= ISP_CFG_NOFCTAPE;
}
tval = 0;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "fctape", &tval);
if (tval) {
isp->isp_confopts &= ~ISP_CFG_NOFCTAPE;
isp->isp_confopts |= ISP_CFG_FCTAPE;
}
/*
* Because the resource_*_value functions can neither return
* 64 bit integer values, nor can they be directly coerced
* to interpret the right hand side of the assignment as
* you want them to interpret it, we have to force WWN
* hint replacement to specify WWN strings with a leading
* 'w' (e..g w50000000aaaa0001). Sigh.
*/
sptr = 0;
tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "portwwn", (const char **) &sptr);
if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
char *eptr = 0;
ISP_FC_PC(isp, chan)->def_wwpn = strtouq(sptr, &eptr, 16);
if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwpn == -1) {
device_printf(dev, "mangled portwwn hint '%s'\n", sptr);
ISP_FC_PC(isp, chan)->def_wwpn = 0;
}
}
sptr = 0;
tval = resource_string_value(device_get_name(dev), device_get_unit(dev), "nodewwn", (const char **) &sptr);
if (tval == 0 && sptr != 0 && *sptr++ == 'w') {
char *eptr = 0;
ISP_FC_PC(isp, chan)->def_wwnn = strtouq(sptr, &eptr, 16);
if (eptr < sptr + 16 || ISP_FC_PC(isp, chan)->def_wwnn == 0) {
device_printf(dev, "mangled nodewwn hint '%s'\n", sptr);
ISP_FC_PC(isp, chan)->def_wwnn = 0;
}
}
tval = 0;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "hysteresis", &tval);
if (tval >= 0 && tval < 256) {
ISP_FC_PC(isp, chan)->hysteresis = tval;
} else {
ISP_FC_PC(isp, chan)->hysteresis = isp_fabric_hysteresis;
}
tval = -1;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "loop_down_limit", &tval);
if (tval >= 0 && tval < 0xffff) {
ISP_FC_PC(isp, chan)->loop_down_limit = tval;
} else {
ISP_FC_PC(isp, chan)->loop_down_limit = isp_loop_down_limit;
}
tval = -1;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev), "gone_device_time", &tval);
if (tval >= 0 && tval < 0xffff) {
ISP_FC_PC(isp, chan)->gone_device_time = tval;
} else {
ISP_FC_PC(isp, chan)->gone_device_time = isp_gone_device_time;
}
}
static int
isp_pci_attach(device_t dev)
{
int i, m1, m2, locksetup = 0;
uint32_t data, cmd, linesz, did;
struct isp_pcisoftc *pcs;
ispsoftc_t *isp;
size_t psize, xsize;
char fwname[32];
pcs = device_get_softc(dev);
if (pcs == NULL) {
device_printf(dev, "cannot get softc\n");
return (ENOMEM);
}
memset(pcs, 0, sizeof (*pcs));
pcs->pci_dev = dev;
isp = &pcs->pci_isp;
isp->isp_dev = dev;
isp->isp_nchan = 1;
if (sizeof (bus_addr_t) > 4)
isp->isp_osinfo.sixtyfourbit = 1;
/*
* Get Generic Options
*/
isp_nvports = 0;
isp_get_generic_options(dev, isp);
/*
* Check to see if options have us disabled
*/
if (isp->isp_osinfo.disabled) {
/*
* But return zero to preserve unit numbering
*/
return (0);
}
/*
* Get PCI options- which in this case are just mapping preferences.
*/
isp_get_pci_options(dev, &m1, &m2);
linesz = PCI_DFLT_LNSZ;
pcs->irq = pcs->regs = NULL;
pcs->rgd = pcs->rtp = pcs->iqd = 0;
cmd = pci_read_config(dev, PCIR_COMMAND, 2);
if (cmd & m1) {
pcs->rtp = (m1 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
pcs->rgd = (m1 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
}
if (pcs->regs == NULL && (cmd & m2)) {
pcs->rtp = (m2 == PCIM_CMD_MEMEN)? SYS_RES_MEMORY : SYS_RES_IOPORT;
pcs->rgd = (m2 == PCIM_CMD_MEMEN)? MEM_MAP_REG : IO_MAP_REG;
pcs->regs = bus_alloc_resource_any(dev, pcs->rtp, &pcs->rgd, RF_ACTIVE);
}
if (pcs->regs == NULL) {
device_printf(dev, "unable to map any ports\n");
goto bad;
}
if (bootverbose) {
device_printf(dev, "using %s space register mapping\n", (pcs->rgd == IO_MAP_REG)? "I/O" : "Memory");
}
isp->isp_bus_tag = rman_get_bustag(pcs->regs);
isp->isp_bus_handle = rman_get_bushandle(pcs->regs);
pcs->pci_dev = dev;
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;
switch (pci_get_devid(dev)) {
case PCI_QLOGIC_ISP1020:
did = 0x1040;
isp->isp_mdvec = &mdvec;
isp->isp_type = ISP_HA_SCSI_UNKNOWN;
break;
case PCI_QLOGIC_ISP1080:
did = 0x1080;
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1080;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
break;
case PCI_QLOGIC_ISP1240:
did = 0x1080;
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1240;
isp->isp_nchan = 2;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
break;
case PCI_QLOGIC_ISP1280:
did = 0x1080;
isp->isp_mdvec = &mdvec_1080;
isp->isp_type = ISP_HA_SCSI_1280;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
break;
case PCI_QLOGIC_ISP10160:
did = 0x12160;
isp->isp_mdvec = &mdvec_12160;
isp->isp_type = ISP_HA_SCSI_10160;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
break;
case PCI_QLOGIC_ISP12160:
did = 0x12160;
isp->isp_nchan = 2;
isp->isp_mdvec = &mdvec_12160;
isp->isp_type = ISP_HA_SCSI_12160;
pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF;
break;
case PCI_QLOGIC_ISP2100:
did = 0x2100;
isp->isp_mdvec = &mdvec_2100;
isp->isp_type = ISP_HA_FC_2100;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
if (pci_get_revid(dev) < 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;
}
break;
case PCI_QLOGIC_ISP2200:
did = 0x2200;
isp->isp_mdvec = &mdvec_2200;
isp->isp_type = ISP_HA_FC_2200;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF;
break;
case PCI_QLOGIC_ISP2300:
did = 0x2300;
isp->isp_mdvec = &mdvec_2300;
isp->isp_type = ISP_HA_FC_2300;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
break;
case PCI_QLOGIC_ISP2312:
case PCI_QLOGIC_ISP6312:
did = 0x2300;
isp->isp_mdvec = &mdvec_2300;
isp->isp_type = ISP_HA_FC_2312;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
break;
case PCI_QLOGIC_ISP2322:
case PCI_QLOGIC_ISP6322:
did = 0x2322;
isp->isp_mdvec = &mdvec_2300;
isp->isp_type = ISP_HA_FC_2322;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2300_OFF;
break;
case PCI_QLOGIC_ISP2422:
case PCI_QLOGIC_ISP2432:
did = 0x2400;
isp->isp_nchan += isp_nvports;
isp->isp_mdvec = &mdvec_2400;
isp->isp_type = ISP_HA_FC_2400;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
break;
case PCI_QLOGIC_ISP2532:
did = 0x2500;
isp->isp_nchan += isp_nvports;
isp->isp_mdvec = &mdvec_2500;
isp->isp_type = ISP_HA_FC_2500;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
break;
case PCI_QLOGIC_ISP5432:
did = 0x2500;
isp->isp_mdvec = &mdvec_2500;
isp->isp_type = ISP_HA_FC_2500;
pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2400_OFF;
break;
default:
device_printf(dev, "unknown device type\n");
goto bad;
break;
}
isp->isp_revision = pci_get_revid(dev);
if (IS_FC(isp)) {
psize = sizeof (fcparam);
xsize = sizeof (struct isp_fc);
} else {
psize = sizeof (sdparam);
xsize = sizeof (struct isp_spi);
}
psize *= isp->isp_nchan;
xsize *= isp->isp_nchan;
isp->isp_param = malloc(psize, M_DEVBUF, M_NOWAIT | M_ZERO);
if (isp->isp_param == NULL) {
device_printf(dev, "cannot allocate parameter data\n");
goto bad;
}
isp->isp_osinfo.pc.ptr = malloc(xsize, M_DEVBUF, M_NOWAIT | M_ZERO);
if (isp->isp_osinfo.pc.ptr == NULL) {
device_printf(dev, "cannot allocate parameter data\n");
goto bad;
}
/*
* Now that we know who we are (roughly) get/set specific options
*/
for (i = 0; i < isp->isp_nchan; i++) {
isp_get_specific_options(dev, i, isp);
}
/*
* The 'it' suffix really only matters for SCSI cards in target mode.
*/
isp->isp_osinfo.fw = NULL;
if (IS_SCSI(isp) && (ISP_SPI_PC(isp, 0)->def_role & ISP_ROLE_TARGET)) {
snprintf(fwname, sizeof (fwname), "isp_%04x_it", did);
isp->isp_osinfo.fw = firmware_get(fwname);
} else if (IS_24XX(isp)) {
snprintf(fwname, sizeof (fwname), "isp_%04x_multi", did);
isp->isp_osinfo.fw = firmware_get(fwname);
}
if (isp->isp_osinfo.fw == NULL) {
snprintf(fwname, sizeof (fwname), "isp_%04x", did);
isp->isp_osinfo.fw = firmware_get(fwname);
}
if (isp->isp_osinfo.fw != NULL) {
isp_prt(isp, ISP_LOGCONFIG, "loaded firmware %s", fwname);
isp->isp_mdvec->dv_ispfw = isp->isp_osinfo.fw->data;
}
/*
* Make sure that SERR, PERR, WRITE INVALIDATE and BUSMASTER are set.
*/
cmd |= PCIM_CMD_SEREN | PCIM_CMD_PERRESPEN | PCIM_CMD_BUSMASTEREN | PCIM_CMD_INVEN;
if (IS_2300(isp)) { /* per QLogic errata */
cmd &= ~PCIM_CMD_INVEN;
}
if (IS_2322(isp) || pci_get_devid(dev) == PCI_QLOGIC_ISP6312) {
cmd &= ~PCIM_CMD_INTX_DISABLE;
}
if (IS_24XX(isp)) {
cmd &= ~PCIM_CMD_INTX_DISABLE;
}
pci_write_config(dev, PCIR_COMMAND, cmd, 2);
/*
* Make sure the Cache Line Size register is set sensibly.
*/
data = pci_read_config(dev, PCIR_CACHELNSZ, 1);
if (data == 0 || (linesz != PCI_DFLT_LNSZ && data != linesz)) {
isp_prt(isp, ISP_LOGDEBUG0, "set PCI line size to %d from %d", linesz, data);
data = linesz;
pci_write_config(dev, PCIR_CACHELNSZ, data, 1);
}
/*
* Make sure the Latency Timer is sane.
*/
data = pci_read_config(dev, PCIR_LATTIMER, 1);
if (data < PCI_DFLT_LTNCY) {
data = PCI_DFLT_LTNCY;
isp_prt(isp, ISP_LOGDEBUG0, "set PCI latency to %d", data);
pci_write_config(dev, PCIR_LATTIMER, data, 1);
}
/*
* Make sure we've disabled the ROM.
*/
data = pci_read_config(dev, PCIR_ROMADDR, 4);
data &= ~1;
pci_write_config(dev, PCIR_ROMADDR, data, 4);
/*
* Do MSI
*
* NB: MSI-X needs to be disabled for the 2432 (PCI-Express)
*/
if (IS_24XX(isp) || IS_2322(isp)) {
pcs->msicount = pci_msi_count(dev);
if (pcs->msicount > 1) {
pcs->msicount = 1;
}
if (pci_alloc_msi(dev, &pcs->msicount) == 0) {
pcs->iqd = 1;
} else {
pcs->iqd = 0;
}
}
pcs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &pcs->iqd, RF_ACTIVE | RF_SHAREABLE);
if (pcs->irq == NULL) {
device_printf(dev, "could not allocate interrupt\n");
goto bad;
}
/* Make sure the lock is set up. */
mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
locksetup++;
if (isp_setup_intr(dev, pcs->irq, ISP_IFLAGS, NULL, isp_platform_intr, isp, &pcs->ih)) {
device_printf(dev, "could not setup interrupt\n");
goto bad;
}
/*
* Last minute checks...
*/
if (IS_23XX(isp) || IS_24XX(isp)) {
isp->isp_port = pci_get_function(dev);
}
/*
* Make sure we're in reset state.
*/
ISP_LOCK(isp);
isp_reset(isp, 1);
if (isp->isp_state != ISP_RESETSTATE) {
ISP_UNLOCK(isp);
goto bad;
}
isp_init(isp);
if (isp->isp_state == ISP_INITSTATE) {
isp->isp_state = ISP_RUNSTATE;
}
ISP_UNLOCK(isp);
if (isp_attach(isp)) {
ISP_LOCK(isp);
isp_uninit(isp);
ISP_UNLOCK(isp);
goto bad;
}
return (0);
bad:
if (pcs->ih) {
(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
}
if (locksetup) {
mtx_destroy(&isp->isp_osinfo.lock);
}
if (pcs->irq) {
(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
}
if (pcs->msicount) {
pci_release_msi(dev);
}
if (pcs->regs) {
(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
}
if (pcs->pci_isp.isp_param) {
free(pcs->pci_isp.isp_param, M_DEVBUF);
pcs->pci_isp.isp_param = NULL;
}
if (pcs->pci_isp.isp_osinfo.pc.ptr) {
free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
}
return (ENXIO);
}
static int
isp_pci_detach(device_t dev)
{
struct isp_pcisoftc *pcs;
ispsoftc_t *isp;
int status;
pcs = device_get_softc(dev);
if (pcs == NULL) {
return (ENXIO);
}
isp = (ispsoftc_t *) pcs;
status = isp_detach(isp);
if (status)
return (status);
ISP_LOCK(isp);
isp_uninit(isp);
if (pcs->ih) {
(void) bus_teardown_intr(dev, pcs->irq, pcs->ih);
}
ISP_UNLOCK(isp);
mtx_destroy(&isp->isp_osinfo.lock);
(void) bus_release_resource(dev, SYS_RES_IRQ, pcs->iqd, pcs->irq);
if (pcs->msicount) {
pci_release_msi(dev);
}
(void) bus_release_resource(dev, pcs->rtp, pcs->rgd, pcs->regs);
/*
* XXX: THERE IS A LOT OF LEAKAGE HERE
*/
if (pcs->pci_isp.isp_param) {
free(pcs->pci_isp.isp_param, M_DEVBUF);
pcs->pci_isp.isp_param = NULL;
}
if (pcs->pci_isp.isp_osinfo.pc.ptr) {
free(pcs->pci_isp.isp_osinfo.pc.ptr, M_DEVBUF);
pcs->pci_isp.isp_osinfo.pc.ptr = NULL;
}
return (0);
}
#define IspVirt2Off(a, x) \
(((struct isp_pcisoftc *)a)->pci_poff[((x) & _BLK_REG_MASK) >> \
_BLK_REG_SHFT] + ((x) & 0xfff))
#define BXR2(isp, off) \
bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
#define BXW2(isp, off, v) \
bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
#define BXR4(isp, off) \
bus_space_read_4(isp->isp_bus_tag, isp->isp_bus_handle, off)
#define BXW4(isp, off, v) \
bus_space_write_4(isp->isp_bus_tag, isp->isp_bus_handle, off, v)
static ISP_INLINE int
isp_pci_rd_debounced(ispsoftc_t *isp, int off, uint16_t *rp)
{
uint32_t val0, val1;
int i = 0;
do {
val0 = BXR2(isp, IspVirt2Off(isp, off));
val1 = BXR2(isp, IspVirt2Off(isp, off));
} while (val0 != val1 && ++i < 1000);
if (val0 != val1) {
return (1);
}
*rp = val0;
return (0);
}
static int
isp_pci_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
{
uint16_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(isp, IspVirt2Off(isp, BIU_ISR));
sema = BXR2(isp, 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(isp, IspVirt2Off(isp, OUTMAILBOX0));
}
}
return (1);
}
static int
isp_pci_rd_isr_2300(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
{
uint32_t hccr;
uint32_t r2hisr;
if (!(BXR2(isp, IspVirt2Off(isp, BIU_ISR) & BIU2100_ISR_RISC_INT))) {
*isrp = 0;
return (0);
}
r2hisr = BXR4(isp, IspVirt2Off(isp, 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_RIO16_1;
*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:
hccr = ISP_READ(isp, HCCR);
if (hccr & HCCR_PAUSE) {
ISP_WRITE(isp, HCCR, HCCR_RESET);
isp_prt(isp, ISP_LOGERR, "RISC paused at interrupt (%x->%x)", hccr, ISP_READ(isp, HCCR));
ISP_WRITE(isp, BIU_ICR, 0);
} else {
isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
}
return (0);
}
}
static int
isp_pci_rd_isr_2400(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbox0p)
{
uint32_t r2hisr;
r2hisr = BXR4(isp, IspVirt2Off(isp, BIU2400_R2HSTSLO));
isp_prt(isp, ISP_LOGDEBUG3, "RISC2HOST ISR 0x%x", r2hisr);
if ((r2hisr & BIU2400_R2HST_INTR) == 0) {
*isrp = 0;
return (0);
}
switch (r2hisr & BIU2400_R2HST_ISTAT_MASK) {
case ISP2400R2HST_ROM_MBX_OK:
case ISP2400R2HST_ROM_MBX_FAIL:
case ISP2400R2HST_MBX_OK:
case ISP2400R2HST_MBX_FAIL:
case ISP2400R2HST_ASYNC_EVENT:
*isrp = r2hisr & 0xffff;
*mbox0p = (r2hisr >> 16);
*semap = 1;
return (1);
case ISP2400R2HST_RSPQ_UPDATE:
case ISP2400R2HST_ATIO_RSPQ_UPDATE:
case ISP2400R2HST_ATIO_RQST_UPDATE:
*isrp = r2hisr & 0xffff;
*mbox0p = 0;
*semap = 0;
return (1);
default:
ISP_WRITE(isp, BIU2400_HCCR, HCCR_2400_CMD_CLEAR_RISC_INT);
isp_prt(isp, ISP_LOGERR, "unknown interrupt 0x%x\n", r2hisr);
return (0);
}
}
static uint32_t
isp_pci_rd_reg(ispsoftc_t *isp, int regoff)
{
uint16_t rv;
int oldconf = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
/*
* We will assume that someone has paused the RISC processor.
*/
oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf | BIU_PCI_CONF1_SXP);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
rv = BXR2(isp, IspVirt2Off(isp, regoff));
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
return (rv);
}
static void
isp_pci_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
{
int oldconf = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
/*
* We will assume that someone has paused the RISC processor.
*/
oldconf = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
oldconf | BIU_PCI_CONF1_SXP);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
BXW2(isp, IspVirt2Off(isp, regoff), val);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) {
BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oldconf);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
}
static uint32_t
isp_pci_rd_reg_1080(ispsoftc_t *isp, int regoff)
{
uint32_t rv, oc = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
(regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
uint32_t tc;
/*
* We will assume that someone has paused the RISC processor.
*/
oc = BXR2(isp, 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(isp, IspVirt2Off(isp, BIU_CONF1), tc);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
oc | BIU_PCI1080_CONF1_DMA);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
rv = BXR2(isp, IspVirt2Off(isp, regoff));
if (oc) {
BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
return (rv);
}
static void
isp_pci_wr_reg_1080(ispsoftc_t *isp, int regoff, uint32_t val)
{
int oc = 0;
if ((regoff & _BLK_REG_MASK) == SXP_BLOCK ||
(regoff & _BLK_REG_MASK) == (SXP_BLOCK|SXP_BANK1_SELECT)) {
uint32_t tc;
/*
* We will assume that someone has paused the RISC processor.
*/
oc = BXR2(isp, 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(isp, IspVirt2Off(isp, BIU_CONF1), tc);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
} else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) {
oc = BXR2(isp, IspVirt2Off(isp, BIU_CONF1));
BXW2(isp, IspVirt2Off(isp, BIU_CONF1),
oc | BIU_PCI1080_CONF1_DMA);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
BXW2(isp, IspVirt2Off(isp, regoff), val);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
if (oc) {
BXW2(isp, IspVirt2Off(isp, BIU_CONF1), oc);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, BIU_CONF1), 2, -1);
}
}
static uint32_t
isp_pci_rd_reg_2400(ispsoftc_t *isp, int regoff)
{
uint32_t rv;
int block = regoff & _BLK_REG_MASK;
switch (block) {
case BIU_BLOCK:
break;
case MBOX_BLOCK:
return (BXR2(isp, IspVirt2Off(isp, regoff)));
case SXP_BLOCK:
isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK read at 0x%x", regoff);
return (0xffffffff);
case RISC_BLOCK:
isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK read at 0x%x", regoff);
return (0xffffffff);
case DMA_BLOCK:
isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK read at 0x%x", regoff);
return (0xffffffff);
default:
isp_prt(isp, ISP_LOGWARN, "unknown block read at 0x%x", regoff);
return (0xffffffff);
}
switch (regoff) {
case BIU2400_FLASH_ADDR:
case BIU2400_FLASH_DATA:
case BIU2400_ICR:
case BIU2400_ISR:
case BIU2400_CSR:
case BIU2400_REQINP:
case BIU2400_REQOUTP:
case BIU2400_RSPINP:
case BIU2400_RSPOUTP:
case BIU2400_PRI_REQINP:
case BIU2400_PRI_REQOUTP:
case BIU2400_ATIO_RSPINP:
case BIU2400_ATIO_RSPOUTP:
case BIU2400_HCCR:
case BIU2400_GPIOD:
case BIU2400_GPIOE:
case BIU2400_HSEMA:
rv = BXR4(isp, IspVirt2Off(isp, regoff));
break;
case BIU2400_R2HSTSLO:
rv = BXR4(isp, IspVirt2Off(isp, regoff));
break;
case BIU2400_R2HSTSHI:
rv = BXR4(isp, IspVirt2Off(isp, regoff)) >> 16;
break;
default:
isp_prt(isp, ISP_LOGERR,
"isp_pci_rd_reg_2400: unknown offset %x", regoff);
rv = 0xffffffff;
break;
}
return (rv);
}
static void
isp_pci_wr_reg_2400(ispsoftc_t *isp, int regoff, uint32_t val)
{
int block = regoff & _BLK_REG_MASK;
switch (block) {
case BIU_BLOCK:
break;
case MBOX_BLOCK:
BXW2(isp, IspVirt2Off(isp, regoff), val);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 2, -1);
return;
case SXP_BLOCK:
isp_prt(isp, ISP_LOGWARN, "SXP_BLOCK write at 0x%x", regoff);
return;
case RISC_BLOCK:
isp_prt(isp, ISP_LOGWARN, "RISC_BLOCK write at 0x%x", regoff);
return;
case DMA_BLOCK:
isp_prt(isp, ISP_LOGWARN, "DMA_BLOCK write at 0x%x", regoff);
return;
default:
isp_prt(isp, ISP_LOGWARN, "unknown block write at 0x%x",
regoff);
break;
}
switch (regoff) {
case BIU2400_FLASH_ADDR:
case BIU2400_FLASH_DATA:
case BIU2400_ICR:
case BIU2400_ISR:
case BIU2400_CSR:
case BIU2400_REQINP:
case BIU2400_REQOUTP:
case BIU2400_RSPINP:
case BIU2400_RSPOUTP:
case BIU2400_PRI_REQINP:
case BIU2400_PRI_REQOUTP:
case BIU2400_ATIO_RSPINP:
case BIU2400_ATIO_RSPOUTP:
case BIU2400_HCCR:
case BIU2400_GPIOD:
case BIU2400_GPIOE:
case BIU2400_HSEMA:
BXW4(isp, IspVirt2Off(isp, regoff), val);
MEMORYBARRIER(isp, SYNC_REG, IspVirt2Off(isp, regoff), 4, -1);
break;
default:
isp_prt(isp, ISP_LOGERR,
"isp_pci_wr_reg_2400: bad offset 0x%x", regoff);
break;
}
}
struct imush {
ispsoftc_t *isp;
caddr_t vbase;
int chan;
int error;
};
static void imc(void *, bus_dma_segment_t *, int, int);
static void imc1(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;
isp_ecmd_t *ecmd;
if (error) {
imushp->error = error;
return;
}
if (nseg != 1) {
imushp->error = EINVAL;
return;
}
isp_prt(imushp->isp, ISP_LOGDEBUG0, "request/result area @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
imushp->isp->isp_rquest = imushp->vbase;
imushp->isp->isp_rquest_dma = segs->ds_addr;
segs->ds_addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
imushp->vbase += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(imushp->isp));
imushp->isp->isp_result_dma = segs->ds_addr;
imushp->isp->isp_result = imushp->vbase;
segs->ds_addr += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
imushp->vbase += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(imushp->isp));
if (imushp->isp->isp_type >= ISP_HA_FC_2300) {
imushp->isp->isp_osinfo.ecmd_dma = segs->ds_addr;
imushp->isp->isp_osinfo.ecmd_free = (isp_ecmd_t *)imushp->vbase;
imushp->isp->isp_osinfo.ecmd_base = imushp->isp->isp_osinfo.ecmd_free;
for (ecmd = imushp->isp->isp_osinfo.ecmd_free; ecmd < &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS]; ecmd++) {
if (ecmd == &imushp->isp->isp_osinfo.ecmd_free[N_XCMDS - 1]) {
ecmd->next = NULL;
} else {
ecmd->next = ecmd + 1;
}
}
}
#ifdef ISP_TARGET_MODE
segs->ds_addr += (N_XCMDS * XCMD_SIZE);
imushp->vbase += (N_XCMDS * XCMD_SIZE);
if (IS_24XX(imushp->isp)) {
imushp->isp->isp_atioq_dma = segs->ds_addr;
imushp->isp->isp_atioq = imushp->vbase;
}
#endif
}
static void
imc1(void *arg, bus_dma_segment_t *segs, int nseg, int error)
{
struct imush *imushp = (struct imush *) arg;
if (error) {
imushp->error = error;
return;
}
if (nseg != 1) {
imushp->error = EINVAL;
return;
}
isp_prt(imushp->isp, ISP_LOGDEBUG0, "scdma @ 0x%jx/0x%jx", (uintmax_t) segs->ds_addr, (uintmax_t) segs->ds_len);
FCPARAM(imushp->isp, imushp->chan)->isp_scdma = segs->ds_addr;
FCPARAM(imushp->isp, imushp->chan)->isp_scratch = imushp->vbase;
}
static int
isp_pci_mbxdma(ispsoftc_t *isp)
{
caddr_t base;
uint32_t len, nsegs;
int i, error, ns, cmap = 0;
bus_size_t slim; /* segment size */
bus_addr_t llim; /* low limit of unavailable dma */
bus_addr_t hlim; /* high limit of unavailable dma */
struct imush im;
/*
* Already been here? If so, leave...
*/
if (isp->isp_rquest) {
return (0);
}
ISP_UNLOCK(isp);
if (isp->isp_maxcmds == 0) {
isp_prt(isp, ISP_LOGERR, "maxcmds not set");
ISP_LOCK(isp);
return (1);
}
hlim = BUS_SPACE_MAXADDR;
if (IS_ULTRA2(isp) || IS_FC(isp) || IS_1240(isp)) {
if (sizeof (bus_size_t) > 4) {
slim = (bus_size_t) (1ULL << 32);
} else {
slim = (bus_size_t) (1UL << 31);
}
llim = BUS_SPACE_MAXADDR;
} else {
llim = BUS_SPACE_MAXADDR_32BIT;
slim = (1UL << 24);
}
len = isp->isp_maxcmds * sizeof (struct isp_pcmd);
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 allocate pcmds");
ISP_LOCK(isp);
return (1);
}
if (isp->isp_osinfo.sixtyfourbit) {
nsegs = ISP_NSEG64_MAX;
} else {
nsegs = ISP_NSEG_MAX;
}
#ifdef ISP_TARGET_MODE
/*
* XXX: We don't really support 64 bit target mode for parallel scsi yet
*/
if (IS_SCSI(isp) && isp->isp_osinfo.sixtyfourbit) {
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
isp_prt(isp, ISP_LOGERR, "we cannot do DAC for SPI cards yet");
ISP_LOCK(isp);
return (1);
}
#endif
if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_PCD(isp)), 1, slim, llim, hlim, NULL, NULL, BUS_SPACE_MAXSIZE, nsegs, slim, 0, &isp->isp_osinfo.dmat)) {
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
ISP_LOCK(isp);
isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
return (1);
}
len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
if (isp->isp_xflist == NULL) {
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
ISP_LOCK(isp);
isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
return (1);
}
for (len = 0; len < isp->isp_maxcmds - 1; len++) {
isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
}
isp->isp_xffree = isp->isp_xflist;
#ifdef ISP_TARGET_MODE
len = sizeof (isp_hdl_t) * isp->isp_maxcmds;
isp->isp_tgtlist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
if (isp->isp_tgtlist == NULL) {
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
free(isp->isp_xflist, M_DEVBUF);
ISP_LOCK(isp);
isp_prt(isp, ISP_LOGERR, "cannot alloc tgtlist array");
return (1);
}
for (len = 0; len < isp->isp_maxcmds - 1; len++) {
isp->isp_tgtlist[len].cmd = &isp->isp_tgtlist[len+1];
}
isp->isp_tgtfree = isp->isp_tgtlist;
#endif
/*
* Allocate and map the request and result queues (and ATIO queue
* if we're a 2400 supporting target mode), and a region for
* external dma addressable command/status structures (23XX and
* later).
*/
len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
#ifdef ISP_TARGET_MODE
if (IS_24XX(isp)) {
len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
}
#endif
if (isp->isp_type >= ISP_HA_FC_2300) {
len += (N_XCMDS * XCMD_SIZE);
}
ns = (len / PAGE_SIZE) + 1;
/*
* Create a tag for the control spaces. We don't always need this
* to be 32 bits, but we do this for simplicity and speed's sake.
*/
if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, len, ns, slim, 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);
#ifdef ISP_TARGET_MODE
free(isp->isp_tgtlist, M_DEVBUF);
#endif
ISP_LOCK(isp);
return (1);
}
if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &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);
#ifdef ISP_TARGET_MODE
free(isp->isp_tgtlist, M_DEVBUF);
#endif
ISP_LOCK(isp);
return (1);
}
im.isp = isp;
im.chan = 0;
im.vbase = base;
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;
}
if (IS_FC(isp)) {
for (cmap = 0; cmap < isp->isp_nchan; cmap++) {
struct isp_fc *fc = ISP_FC_PC(isp, cmap);
if (isp_dma_tag_create(isp->isp_osinfo.dmat, 64, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, ISP_FC_SCRLEN, 1, slim, 0, &fc->tdmat)) {
goto bad;
}
if (bus_dmamem_alloc(fc->tdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT, &fc->tdmap) != 0) {
bus_dma_tag_destroy(fc->tdmat);
goto bad;
}
im.isp = isp;
im.chan = cmap;
im.vbase = base;
im.error = 0;
bus_dmamap_load(fc->tdmat, fc->tdmap, base, ISP_FC_SCRLEN, imc1, &im, 0);
if (im.error) {
bus_dmamem_free(fc->tdmat, base, fc->tdmap);
bus_dma_tag_destroy(fc->tdmat);
goto bad;
}
if (isp->isp_type >= ISP_HA_FC_2300) {
for (i = 0; i < INITIAL_NEXUS_COUNT; i++) {
struct isp_nexus *n = malloc(sizeof (struct isp_nexus), M_DEVBUF, M_NOWAIT | M_ZERO);
if (n == NULL) {
while (fc->nexus_free_list) {
n = fc->nexus_free_list;
fc->nexus_free_list = n->next;
free(n, M_DEVBUF);
}
goto bad;
}
n->next = fc->nexus_free_list;
fc->nexus_free_list = n;
}
}
}
}
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];
ISP_LOCK(isp);
return (0);
bad:
while (--cmap >= 0) {
struct isp_fc *fc = ISP_FC_PC(isp, cmap);
bus_dmamem_free(fc->tdmat, base, fc->tdmap);
bus_dma_tag_destroy(fc->tdmat);
while (fc->nexus_free_list) {
struct isp_nexus *n = fc->nexus_free_list;
fc->nexus_free_list = n->next;
free(n, M_DEVBUF);
}
}
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);
#ifdef ISP_TARGET_MODE
free(isp->isp_tgtlist, M_DEVBUF);
#endif
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
#ifdef ISP_TARGET_MODE
static void tdma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
static void tdma2(void *, bus_dma_segment_t *, int, int);
static void
tdma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
{
mush_t *mp;
mp = (mush_t *)arg;
mp->mapsize = mapsize;
tdma2(arg, dm_segs, nseg, error);
}
static void
tdma2(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 (isp->isp_osinfo.sixtyfourbit) {
if (nseg >= ISP_NSEG64_MAX) {
isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
mp->error = EFAULT;
return;
}
if (rq->req_header.rqs_entry_type == RQSTYPE_CTIO2) {
rq->req_header.rqs_entry_type = RQSTYPE_CTIO3;
}
} else {
if (nseg >= ISP_NSEG_MAX) {
isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
mp->error = EFAULT;
return;
}
}
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
ddir = ISP_TO_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_PREREAD);
ddir = ISP_FROM_DEVICE;
} else {
dm_segs = NULL;
nseg = 0;
ddir = ISP_NOXFR;
}
} else {
dm_segs = NULL;
nseg = 0;
ddir = ISP_NOXFR;
}
error = isp_send_tgt_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, &csio->sense_data, csio->sense_len);
switch (error) {
case CMD_EAGAIN:
mp->error = MUSHERR_NOQENTRIES;
case CMD_QUEUED:
break;
default:
mp->error = EIO;
}
}
#endif
static void dma2_2(void *, bus_dma_segment_t *, int, bus_size_t, int);
static void dma2(void *, bus_dma_segment_t *, int, int);
static void
dma2_2(void *arg, bus_dma_segment_t *dm_segs, int nseg, bus_size_t mapsize, int error)
{
mush_t *mp;
mp = (mush_t *)arg;
mp->mapsize = mapsize;
dma2(arg, dm_segs, nseg, error);
}
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 (isp->isp_osinfo.sixtyfourbit) {
if (nseg >= ISP_NSEG64_MAX) {
isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG64_MAX);
mp->error = EFAULT;
return;
}
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;
}
} else {
if (nseg >= ISP_NSEG_MAX) {
isp_prt(isp, ISP_LOGERR, "number of segments (%d) exceed maximum we can support (%d)", nseg, ISP_NSEG_MAX);
mp->error = EFAULT;
return;
}
}
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;
}
error = isp_send_cmd(isp, rq, dm_segs, nseg, XS_XFRLEN(csio), ddir, (ispds64_t *)csio->req_map);
switch (error) {
case CMD_EAGAIN:
mp->error = MUSHERR_NOQENTRIES;
break;
case CMD_QUEUED:
break;
default:
mp->error = EIO;
break;
}
}
static int
isp_pci_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
{
mush_t mush, *mp;
void (*eptr)(void *, bus_dma_segment_t *, int, int);
void (*eptr2)(void *, bus_dma_segment_t *, int, bus_size_t, int);
mp = &mush;
mp->isp = isp;
mp->cmd_token = csio;
mp->rq = ff;
mp->error = 0;
mp->mapsize = 0;
#ifdef ISP_TARGET_MODE
if (csio->ccb_h.func_code == XPT_CONT_TARGET_IO) {
eptr = tdma2;
eptr2 = tdma2_2;
} else
#endif
{
eptr = dma2;
eptr2 = dma2_2;
}
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) {
struct uio sguio;
int error;
/*
* We're taking advantage of the fact that
* the pointer/length sizes and layout of the iovec
* structure are the same as the bus_dma_segment
* structure. This might be a little dangerous,
* but only if they change the structures, which
* seems unlikely.
*/
KASSERT((sizeof (sguio.uio_iov) == sizeof (csio->data_ptr) &&
sizeof (sguio.uio_iovcnt) >= sizeof (csio->sglist_cnt) &&
sizeof (sguio.uio_resid) >= sizeof (csio->dxfer_len)), ("Ken's assumption failed"));
sguio.uio_iov = (struct iovec *)csio->data_ptr;
sguio.uio_iovcnt = csio->sglist_cnt;
sguio.uio_resid = csio->dxfer_len;
sguio.uio_segflg = UIO_SYSSPACE;
error = bus_dmamap_load_uio(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, &sguio, eptr2, mp, 0);
if (error != 0 && mp->error == 0) {
isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
mp->error = error;
}
} 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) {
csio->ccb_h.status = CAM_REQ_TOO_BIG;
} else if (mp->error == EINVAL) {
csio->ccb_h.status = CAM_REQ_INVALID;
} else {
csio->ccb_h.status = CAM_UNREC_HBA_ERROR;
}
return (retval);
}
return (CMD_QUEUED);
}
static void
isp_pci_reset0(ispsoftc_t *isp)
{
ISP_DISABLE_INTS(isp);
}
static void
isp_pci_reset1(ispsoftc_t *isp)
{
if (!IS_24XX(isp)) {
/* Make sure the BIOS is disabled */
isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS);
}
/* and enable interrupts */
ISP_ENABLE_INTS(isp);
}
static void
isp_pci_dumpregs(ispsoftc_t *isp, const char *msg)
{
struct isp_pcisoftc *pcs = (struct isp_pcisoftc *)isp;
if (msg)
printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
else
printf("%s:\n", device_get_nameunit(isp->isp_dev));
if (IS_SCSI(isp))
printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
else
printf(" biu_csr=%x", ISP_READ(isp, BIU2100_CSR));
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));
if (IS_SCSI(isp)) {
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));
printf(" PCI Status Command/Status=%x\n",
pci_read_config(pcs->pci_dev, PCIR_COMMAND, 1));
}
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