diff options
Diffstat (limited to 'sys/dev/isp/isp_sbus.c')
| -rw-r--r-- | sys/dev/isp/isp_sbus.c | 701 |
1 files changed, 0 insertions, 701 deletions
diff --git a/sys/dev/isp/isp_sbus.c b/sys/dev/isp/isp_sbus.c deleted file mode 100644 index 35e3e220b276..000000000000 --- a/sys/dev/isp/isp_sbus.c +++ /dev/null @@ -1,701 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 1997-2006 by Matthew Jacob - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice immediately at the beginning of the file, without modification, - * this list of conditions, and the following disclaimer. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR - * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ -/* - * SBus specific probe and attach routines for Qlogic ISP SCSI adapters. - * FreeBSD Version. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/linker.h> -#include <sys/firmware.h> -#include <sys/bus.h> -#include <sys/kernel.h> -#include <sys/module.h> -#include <sys/resource.h> - -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/openfirm.h> - -#include <machine/bus.h> -#include <machine/ofw_machdep.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 void isp_sbus_run_isr(ispsoftc_t *); -static int isp_sbus_mbxdma(ispsoftc_t *); -static void isp_sbus_mbxdmafree(ispsoftc_t *); -static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *); -static void isp_sbus_dumpregs(ispsoftc_t *, const char *); - -static struct ispmdvec mdvec = { - isp_sbus_run_isr, - isp_sbus_rd_reg, - isp_sbus_wr_reg, - isp_sbus_mbxdma, - isp_sbus_dmasetup, - isp_common_dmateardown, - NULL, - 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); -static int isp_sbus_detach (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 * regs; - void * irq; - int iqd; - int rgd; - void * ih; - int16_t sbus_poff[_NREG_BLKS]; - sdparam sbus_param; - struct isp_spi sbus_spi; - struct ispmdvec sbus_mdvec; -}; - - -static device_method_t isp_sbus_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, isp_sbus_probe), - DEVMETHOD(device_attach, isp_sbus_attach), - DEVMETHOD(device_detach, isp_sbus_detach), - { 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); -MODULE_DEPEND(isp, cam, 1, 1, 1); -MODULE_DEPEND(isp, firmware, 1, 1, 1); - -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 isp_sbussoftc *sbs = device_get_softc(dev); - ispsoftc_t *isp = &sbs->sbus_isp; - int tval, isp_debug, role, ispburst, default_id; - - sbs->sbus_dev = dev; - sbs->sbus_mdvec = mdvec; - isp->isp_dev = dev; - mtx_init(&isp->isp_lock, "isp", NULL, MTX_DEF); - - role = 0; - if (resource_int_value(device_get_name(dev), device_get_unit(dev), - "role", &role) == 0 && - ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) { - device_printf(dev, "setting role to 0x%x\n", role); - } else { - role = ISP_DEFAULT_ROLES; - } - - sbs->irq = sbs->regs = NULL; - sbs->rgd = sbs->iqd = 0; - - sbs->regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sbs->rgd, - RF_ACTIVE); - if (sbs->regs == NULL) { - device_printf(dev, "unable to map registers\n"); - goto bad; - } - - 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->isp_regs = sbs->regs; - isp->isp_mdvec = &sbs->sbus_mdvec; - isp->isp_bustype = ISP_BT_SBUS; - isp->isp_type = ISP_HA_SCSI_UNKNOWN; - isp->isp_param = &sbs->sbus_param; - isp->isp_osinfo.pc.ptr = &sbs->sbus_spi; - isp->isp_revision = 0; /* XXX */ - isp->isp_nchan = 1; - if (IS_FC(isp)) - ISP_FC_PC(isp, 0)->def_role = role; - - /* - * Get the clock frequency and convert it from HZ to MHz, - * rounding up. This defaults to 25MHz if there isn't a - * device specific one in the OFW device tree. - */ - sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000; - - /* - * Now figure out what the proper burst sizes, etc., to use. - * Unfortunately, there is no ddi_dma_burstsizes here which - * walks up the tree finding the limiting burst size node (if - * any). We just use what's here for isp. - */ - ispburst = sbus_get_burstsz(dev); - if (ispburst == 0) { - ispburst = SBUS_BURST_32 - 1; - } - sbs->sbus_mdvec.dv_conf1 = 0; - if (ispburst & (1 << 5)) { - sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32; - } else if (ispburst & (1 << 4)) { - sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16; - } else if (ispburst & (1 << 3)) { - sbs->sbus_mdvec.dv_conf1 = - BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8; - } - if (sbs->sbus_mdvec.dv_conf1) { - sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE; - } - - /* - * We don't trust NVRAM on SBus cards - */ - isp->isp_confopts |= ISP_CFG_NONVRAM; - - /* - * Mark things if we're a PTI SBus adapter. - */ - if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 || - strcmp("ptisp", ofw_bus_get_name(dev)) == 0) { - SDPARAM(isp, 0)->isp_ptisp = 1; - } - - isp->isp_osinfo.fw = firmware_get("isp_1000"); - if (isp->isp_osinfo.fw) { - union { - const void *cp; - uint16_t *sp; - } stupid; - stupid.cp = isp->isp_osinfo.fw->data; - isp->isp_mdvec->dv_ispfw = stupid.sp; - } - - tval = 0; - if (resource_int_value(device_get_name(dev), device_get_unit(dev), - "fwload_disable", &tval) == 0 && tval != 0) { - isp->isp_confopts |= ISP_CFG_NORELOAD; - } - - default_id = -1; - if (resource_int_value(device_get_name(dev), device_get_unit(dev), - "iid", &tval) == 0) { - default_id = tval; - isp->isp_confopts |= ISP_CFG_OWNLOOPID; - } - if (default_id == -1) { - default_id = OF_getscsinitid(dev); - } - ISP_SPI_PC(isp, 0)->iid = default_id; - - isp_debug = 0; - (void) resource_int_value(device_get_name(dev), device_get_unit(dev), - "debug", &isp_debug); - - sbs->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sbs->iqd, - RF_ACTIVE | RF_SHAREABLE); - if (sbs->irq == NULL) { - device_printf(dev, "could not allocate interrupt\n"); - goto bad; - } - - if (bus_setup_intr(dev, sbs->irq, ISP_IFLAGS, NULL, isp_platform_intr, - isp, &sbs->ih)) { - device_printf(dev, "could not setup interrupt\n"); - (void) bus_release_resource(dev, SYS_RES_IRQ, - sbs->iqd, sbs->irq); - goto bad; - } - isp->isp_nirq = 1; - - /* - * 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); - if (isp_reinit(isp, 1) != 0) { - ISP_UNLOCK(isp); - goto bad; - } - ISP_UNLOCK(isp); - if (isp_attach(isp)) { - ISP_LOCK(isp); - isp_shutdown(isp); - ISP_UNLOCK(isp); - goto bad; - } - return (0); - -bad: - if (isp->isp_nirq > 0) { - (void) bus_teardown_intr(dev, sbs->irq, sbs->ih); - (void) bus_release_resource(dev, SYS_RES_IRQ, sbs->iqd, - sbs->irq); - } - - if (sbs->regs) { - (void) bus_release_resource(dev, SYS_RES_MEMORY, sbs->rgd, - sbs->regs); - } - mtx_destroy(&isp->isp_lock); - return (ENXIO); -} - -static int -isp_sbus_detach(device_t dev) -{ - struct isp_sbussoftc *sbs = device_get_softc(dev); - ispsoftc_t *isp = &sbs->sbus_isp; - int status; - - status = isp_detach(isp); - if (status) - return (status); - ISP_LOCK(isp); - isp_shutdown(isp); - ISP_UNLOCK(isp); - if (isp->isp_nirq > 0) { - (void) bus_teardown_intr(dev, sbs->irq, sbs->ih); - (void) bus_release_resource(dev, SYS_RES_IRQ, sbs->iqd, - sbs->irq); - } - (void) bus_release_resource(dev, SYS_RES_MEMORY, sbs->rgd, sbs->regs); - isp_sbus_mbxdmafree(isp); - mtx_destroy(&isp->isp_lock); - return (0); -} - -#define IspVirt2Off(a, x) \ - (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \ - _BLK_REG_SHFT] + ((x) & 0xff)) - -#define BXR2(isp, off) bus_read_2((isp)->isp_regs, (off)) - -static void -isp_sbus_run_isr(ispsoftc_t *isp) -{ - uint16_t isr, sema, info; - - 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; - if (sema != 0) { - info = BXR2(isp, IspVirt2Off(isp, OUTMAILBOX0)); - if (info & MBOX_COMMAND_COMPLETE) - isp_intr_mbox(isp, info); - else - isp_intr_async(isp, info); - if (isp->isp_state == ISP_RUNSTATE) - isp_intr_respq(isp); - } else - isp_intr_respq(isp); - ISP_WRITE(isp, HCCR, HCCR_CMD_CLEAR_RISC_INT); - if (sema) - ISP_WRITE(isp, BIU_SEMA, 0); -} - -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 = BXR2(isp, 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_write_2(isp->isp_regs, offset, val); - MEMORYBARRIER(isp, SYNC_REG, offset, 2, -1); -} - -struct imush { - bus_addr_t maddr; - 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 (!(imushp->error = error)) - imushp->maddr = segs[0].ds_addr; -} - -static int -isp_sbus_mbxdma(ispsoftc_t *isp) -{ - caddr_t base; - uint32_t len; - int i, error; - struct imush im; - - /* Already been here? If so, leave... */ - if (isp->isp_xflist != NULL) - return (0); - if (isp->isp_rquest != NULL && isp->isp_maxcmds == 0) - return (0); - ISP_UNLOCK(isp); - if (isp->isp_rquest != NULL) - goto gotmaxcmds; - - if (bus_dma_tag_create(bus_get_dma_tag(ISP_SBD(isp)), 1, - BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT, - BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, - ISP_NSEG_MAX, BUS_SPACE_MAXADDR_24BIT, 0, - busdma_lock_mutex, &isp->isp_lock, &isp->isp_osinfo.dmat)) { - isp_prt(isp, ISP_LOGERR, "could not create master dma tag"); - goto bad; - } - - /* - * Allocate and map the request queue. - */ - len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); - if (bus_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1, - BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, - len, 1, len, 0, busdma_lock_mutex, &isp->isp_lock, - &isp->isp_osinfo.reqdmat)) { - isp_prt(isp, ISP_LOGERR, "cannot create request DMA tag"); - goto bad; - } - if (bus_dmamem_alloc(isp->isp_osinfo.reqdmat, (void **)&base, - BUS_DMA_COHERENT, &isp->isp_osinfo.reqmap) != 0) { - isp_prt(isp, ISP_LOGERR, "cannot allocate request DMA memory"); - bus_dma_tag_destroy(isp->isp_osinfo.reqdmat); - goto bad; - } - isp->isp_rquest = base; - im.error = 0; - if (bus_dmamap_load(isp->isp_osinfo.reqdmat, isp->isp_osinfo.reqmap, - base, len, imc, &im, 0) || im.error) { - isp_prt(isp, ISP_LOGERR, "error loading request DMA map %d", im.error); - goto bad; - } - isp_prt(isp, ISP_LOGDEBUG0, "request area @ 0x%jx/0x%jx", - (uintmax_t)im.maddr, (uintmax_t)len); - isp->isp_rquest_dma = im.maddr; - - /* - * Allocate and map the result queue. - */ - len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); - if (bus_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1, - BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, - len, 1, len, 0, busdma_lock_mutex, &isp->isp_lock, - &isp->isp_osinfo.respdmat)) { - isp_prt(isp, ISP_LOGERR, "cannot create response DMA tag"); - goto bad; - } - if (bus_dmamem_alloc(isp->isp_osinfo.respdmat, (void **)&base, - BUS_DMA_COHERENT, &isp->isp_osinfo.respmap) != 0) { - isp_prt(isp, ISP_LOGERR, "cannot allocate response DMA memory"); - bus_dma_tag_destroy(isp->isp_osinfo.respdmat); - goto bad; - } - isp->isp_result = base; - im.error = 0; - if (bus_dmamap_load(isp->isp_osinfo.respdmat, isp->isp_osinfo.respmap, - base, len, imc, &im, 0) || im.error) { - isp_prt(isp, ISP_LOGERR, "error loading response DMA map %d", im.error); - goto bad; - } - isp_prt(isp, ISP_LOGDEBUG0, "response area @ 0x%jx/0x%jx", - (uintmax_t)im.maddr, (uintmax_t)len); - isp->isp_result_dma = im.maddr; - - if (isp->isp_maxcmds == 0) { - ISP_LOCK(isp); - return (0); - } - -gotmaxcmds: - len = sizeof (struct isp_pcmd) * isp->isp_maxcmds; - isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *) - malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); - 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_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]; - - len = sizeof (isp_hdl_t *) * isp->isp_maxcmds; - isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); - 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; - - ISP_LOCK(isp); - return (0); - -bad: - isp_sbus_mbxdmafree(isp); - ISP_LOCK(isp); - return (1); -} - -static void -isp_sbus_mbxdmafree(ispsoftc_t *isp) -{ - int i; - - if (isp->isp_xflist != NULL) { - free(isp->isp_xflist, M_DEVBUF); - isp->isp_xflist = NULL; - } - if (isp->isp_osinfo.pcmd_pool != NULL) { - for (i = 0; i < isp->isp_maxcmds; i++) { - bus_dmamap_destroy(isp->isp_osinfo.dmat, - isp->isp_osinfo.pcmd_pool[i].dmap); - } - free(isp->isp_osinfo.pcmd_pool, M_DEVBUF); - isp->isp_osinfo.pcmd_pool = NULL; - } - if (isp->isp_result_dma != 0) { - bus_dmamap_unload(isp->isp_osinfo.respdmat, - isp->isp_osinfo.respmap); - isp->isp_result_dma = 0; - } - if (isp->isp_result != NULL) { - bus_dmamem_free(isp->isp_osinfo.respdmat, isp->isp_result, - isp->isp_osinfo.respmap); - bus_dma_tag_destroy(isp->isp_osinfo.respdmat); - isp->isp_result = NULL; - } - if (isp->isp_rquest_dma != 0) { - bus_dmamap_unload(isp->isp_osinfo.reqdmat, - isp->isp_osinfo.reqmap); - isp->isp_rquest_dma = 0; - } - if (isp->isp_rquest != NULL) { - bus_dmamem_free(isp->isp_osinfo.reqdmat, isp->isp_rquest, - isp->isp_osinfo.reqmap); - bus_dma_tag_destroy(isp->isp_osinfo.reqdmat); - isp->isp_rquest = NULL; - } -} - -typedef struct { - ispsoftc_t *isp; - void *cmd_token; - void *rq; /* original request */ - int error; -} mush_t; - -#define MUSHERR_NOQENTRIES -2 - -static void -dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) -{ - mush_t *mp = (mush_t *) arg; - ispsoftc_t *isp = mp->isp; - struct ccb_scsiio *csio = mp->cmd_token; - isp_ddir_t ddir; - int sdir; - - if (error) { - mp->error = error; - return; - } - if (nseg == 0) { - ddir = ISP_NOXFR; - } else { - if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { - ddir = ISP_FROM_DEVICE; - } else { - ddir = ISP_TO_DEVICE; - } - if ((csio->ccb_h.func_code == XPT_CONT_TARGET_IO) ^ - ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)) { - sdir = BUS_DMASYNC_PREREAD; - } else { - sdir = BUS_DMASYNC_PREWRITE; - } - bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, - sdir); - } - - if (isp_send_cmd(isp, mp->rq, dm_segs, nseg, XS_XFRLEN(csio), - ddir, NULL) != CMD_QUEUED) { - mp->error = MUSHERR_NOQENTRIES; - } -} - -static int -isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff) -{ - mush_t mush, *mp; - int error; - - mp = &mush; - mp->isp = isp; - mp->cmd_token = csio; - mp->rq = ff; - mp->error = 0; - - error = bus_dmamap_load_ccb(isp->isp_osinfo.dmat, - PISP_PCMD(csio)->dmap, (union ccb *)csio, dma2, 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; - } - if (mp->error) { - int retval = CMD_COMPLETE; - if (mp->error == MUSHERR_NOQENTRIES) { - retval = CMD_EAGAIN; - } else if (mp->error == EFBIG) { - XS_SETERR(csio, CAM_REQ_TOO_BIG); - } else if (mp->error == EINVAL) { - XS_SETERR(csio, CAM_REQ_INVALID); - } else { - XS_SETERR(csio, CAM_UNREC_HBA_ERROR); - } - return (retval); - } - return (CMD_QUEUED); -} - -static void -isp_sbus_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)); -} |