mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
835 lines
22 KiB
C
835 lines
22 KiB
C
/*-
|
|
* 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>
|
|
#if __FreeBSD_version >= 700000
|
|
#include <sys/linker.h>
|
|
#include <sys/firmware.h>
|
|
#endif
|
|
#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 *, ispreq_t *, uint32_t *, uint32_t);
|
|
|
|
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 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);
|
|
#if __FreeBSD_version < 700000
|
|
extern ispfwfunc *isp_get_firmware_p;
|
|
#endif
|
|
|
|
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;
|
|
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 {
|
|
#ifdef ISP_TARGET_MODE
|
|
role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET;
|
|
#else
|
|
role = ISP_DEFAULT_ROLES;
|
|
#endif
|
|
}
|
|
|
|
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_revision = 0; /* XXX */
|
|
isp->isp_role = role;
|
|
isp->isp_dev = dev;
|
|
|
|
/*
|
|
* 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)->isp_ptisp = 1;
|
|
}
|
|
|
|
|
|
#if __FreeBSD_version >= 700000
|
|
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;
|
|
}
|
|
#else
|
|
/*
|
|
* Try and find firmware for this device.
|
|
*/
|
|
if (isp_get_firmware_p) {
|
|
(*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw);
|
|
}
|
|
#endif
|
|
|
|
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;
|
|
}
|
|
|
|
isp->isp_osinfo.default_id = -1;
|
|
if (resource_int_value(device_get_name(dev), device_get_unit(dev),
|
|
"iid", &tval) == 0) {
|
|
isp->isp_osinfo.default_id = tval;
|
|
isp->isp_confopts |= ISP_CFG_OWNLOOPID;
|
|
}
|
|
if (isp->isp_osinfo.default_id == -1) {
|
|
/*
|
|
* XXX: should be a way to get properties w/o having
|
|
* XXX: to call OF_xxx functions
|
|
*/
|
|
isp->isp_osinfo.default_id = 7;
|
|
}
|
|
|
|
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);
|
|
if (isp->isp_state != ISP_RESETSTATE) {
|
|
isp_uninit(isp);
|
|
ISP_UNLOCK(isp);
|
|
goto bad;
|
|
}
|
|
isp_init(isp);
|
|
if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
|
|
isp_uninit(isp);
|
|
ISP_UNLOCK(isp);
|
|
goto bad;
|
|
}
|
|
isp_attach(isp);
|
|
if (isp->isp_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_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_cdmat, (void **)&base, BUS_DMA_NOWAIT,
|
|
&isp->isp_cdmap) != 0) {
|
|
isp_prt(isp, ISP_LOGERR,
|
|
"cannot allocate %d bytes of CCB memory", len);
|
|
bus_dma_tag_destroy(isp->isp_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;
|
|
}
|
|
isp_callout_init(&pcmd->wdog);
|
|
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_cdmat, isp->isp_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_cdmat, base, isp->isp_cdmap);
|
|
bus_dma_tag_destroy(isp->isp_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;
|
|
uint32_t *nxtip;
|
|
uint32_t optr;
|
|
int error;
|
|
} 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;
|
|
bus_dma_segment_t *eseg;
|
|
ispreq_t *rq;
|
|
int seglim, datalen;
|
|
uint16_t nxti;
|
|
|
|
mp = (mush_t *) arg;
|
|
if (error) {
|
|
mp->error = error;
|
|
return;
|
|
}
|
|
|
|
if (nseg < 1) {
|
|
isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg);
|
|
mp->error = EFAULT;
|
|
return;
|
|
}
|
|
csio = mp->cmd_token;
|
|
isp = mp->isp;
|
|
rq = mp->rq;
|
|
nxti = *mp->nxtip;
|
|
|
|
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);
|
|
} else {
|
|
bus_dmamap_sync(isp->isp_osinfo.dmat,
|
|
PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
|
|
}
|
|
|
|
datalen = XS_XFRLEN(csio);
|
|
|
|
/*
|
|
* We're passed an initial partially filled in entry that
|
|
* has most fields filled in except for data transfer
|
|
* related values.
|
|
*
|
|
* Our job is to fill in the initial request queue entry and
|
|
* then to start allocating and filling in continuation entries
|
|
* until we've covered the entire transfer.
|
|
*/
|
|
|
|
if (csio->cdb_len > 12) {
|
|
seglim = 0;
|
|
} else {
|
|
seglim = ISP_RQDSEG;
|
|
}
|
|
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
|
|
rq->req_flags |= REQFLAG_DATA_IN;
|
|
} else {
|
|
rq->req_flags |= REQFLAG_DATA_OUT;
|
|
}
|
|
|
|
eseg = dm_segs + nseg;
|
|
|
|
while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) {
|
|
rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr;
|
|
rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len;
|
|
datalen -= dm_segs->ds_len;
|
|
rq->req_seg_count++;
|
|
dm_segs++;
|
|
}
|
|
|
|
while (datalen > 0 && dm_segs != eseg) {
|
|
uint16_t onxti;
|
|
ispcontreq_t local, *crq = &local, *cqe;
|
|
|
|
cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
|
|
onxti = nxti;
|
|
nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
|
|
if (nxti == mp->optr) {
|
|
isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
|
|
mp->error = MUSHERR_NOQENTRIES;
|
|
return;
|
|
}
|
|
rq->req_header.rqs_entry_count++;
|
|
MEMZERO((void *)crq, sizeof (*crq));
|
|
crq->req_header.rqs_entry_count = 1;
|
|
crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
|
|
|
|
seglim = 0;
|
|
while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) {
|
|
crq->req_dataseg[seglim].ds_base =
|
|
dm_segs->ds_addr;
|
|
crq->req_dataseg[seglim].ds_count =
|
|
dm_segs->ds_len;
|
|
rq->req_seg_count++;
|
|
dm_segs++;
|
|
seglim++;
|
|
datalen -= dm_segs->ds_len;
|
|
}
|
|
isp_put_cont_req(isp, crq, cqe);
|
|
MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
|
|
}
|
|
*mp->nxtip = nxti;
|
|
}
|
|
|
|
static int
|
|
isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, ispreq_t *rq,
|
|
uint32_t *nxtip, uint32_t optr)
|
|
{
|
|
ispreq_t *qep;
|
|
mush_t mush, *mp;
|
|
void (*eptr)(void *, bus_dma_segment_t *, int, int);
|
|
|
|
qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx);
|
|
eptr = dma2;
|
|
|
|
|
|
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE ||
|
|
(csio->dxfer_len == 0)) {
|
|
rq->req_seg_count = 1;
|
|
goto mbxsync;
|
|
}
|
|
|
|
/*
|
|
* Do a virtual grapevine step to collect info for
|
|
* the callback dma allocation that we have to use...
|
|
*/
|
|
mp = &mush;
|
|
mp->isp = isp;
|
|
mp->cmd_token = csio;
|
|
mp->rq = rq;
|
|
mp->nxtip = nxtip;
|
|
mp->optr = optr;
|
|
mp->error = 0;
|
|
|
|
if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
|
|
if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
|
|
int error = bus_dmamap_load(isp->isp_osinfo.dmat,
|
|
PISP_PCMD(csio)->dmap, csio->data_ptr,
|
|
csio->dxfer_len, eptr, mp, 0);
|
|
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)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,
|
|
"Virtual segment addresses 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);
|
|
}
|
|
mbxsync:
|
|
if (isp->isp_dblev & ISP_LOGDEBUG1) {
|
|
isp_print_bytes(isp, "Request Queue Entry", QENTRY_LEN, rq);
|
|
}
|
|
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;
|
|
}
|
|
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));
|
|
}
|