/* $NetBSD: isp_pci.c,v 1.47 1999/12/04 02:54:54 mjacob Exp $ */ /* * PCI specific probe and attach routines for Qlogic ISP SCSI adapters. * Matthew Jacob (mjacob@nas.nasa.gov) */ /* * Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration * 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, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include static u_int16_t isp_pci_rd_reg __P((struct ispsoftc *, int)); static void isp_pci_wr_reg __P((struct ispsoftc *, int, u_int16_t)); #ifndef ISP_DISABLE_1080_SUPPORT static u_int16_t isp_pci_rd_reg_1080 __P((struct ispsoftc *, int)); static void isp_pci_wr_reg_1080 __P((struct ispsoftc *, int, u_int16_t)); #endif static int isp_pci_mbxdma __P((struct ispsoftc *)); static int isp_pci_dmasetup __P((struct ispsoftc *, struct scsipi_xfer *, ispreq_t *, u_int16_t *, u_int16_t)); static void isp_pci_dmateardown __P((struct ispsoftc *, struct scsipi_xfer *, u_int32_t)); static void isp_pci_reset1 __P((struct ispsoftc *)); static void isp_pci_dumpregs __P((struct ispsoftc *)); static int isp_pci_intr __P((void *)); #ifndef ISP_CODE_ORG #define ISP_CODE_ORG 0x1000 #endif #ifndef ISP_1040_RISC_CODE #define ISP_1040_RISC_CODE NULL #endif #ifndef ISP_1080_RISC_CODE #define ISP_1080_RISC_CODE NULL #endif #ifndef ISP_2100_RISC_CODE #define ISP_2100_RISC_CODE NULL #endif #ifndef ISP_2200_RISC_CODE #define ISP_2200_RISC_CODE NULL #endif #ifndef ISP_DISABLE_1020_SUPPORT static struct ispmdvec mdvec = { isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, ISP_1040_RISC_CODE, 0, ISP_CODE_ORG, 0, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64, 0 }; #endif #ifndef ISP_DISABLE_1080_SUPPORT static struct ispmdvec mdvec_1080 = { isp_pci_rd_reg_1080, isp_pci_wr_reg_1080, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, ISP_1080_RISC_CODE, 0, ISP_CODE_ORG, 0, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64, 0 }; #endif #ifndef ISP_DISABLE_2100_SUPPORT static struct ispmdvec mdvec_2100 = { isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, ISP_2100_RISC_CODE, 0, ISP_CODE_ORG, 0, 0, 0 }; #endif #ifndef ISP_DISABLE_2200_SUPPORT static struct ispmdvec mdvec_2200 = { isp_pci_rd_reg, isp_pci_wr_reg, isp_pci_mbxdma, isp_pci_dmasetup, isp_pci_dmateardown, NULL, isp_pci_reset1, isp_pci_dumpregs, ISP_2200_RISC_CODE, 0, ISP_CODE_ORG, 0, 0, 0 }; #endif #ifndef PCI_VENDOR_QLOGIC #define PCI_VENDOR_QLOGIC 0x1077 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1020 #define PCI_PRODUCT_QLOGIC_ISP1020 0x1020 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1080 #define PCI_PRODUCT_QLOGIC_ISP1080 0x1080 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP1240 #define PCI_PRODUCT_QLOGIC_ISP1240 0x1240 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2100 #define PCI_PRODUCT_QLOGIC_ISP2100 0x2100 #endif #ifndef PCI_PRODUCT_QLOGIC_ISP2200 #define PCI_PRODUCT_QLOGIC_ISP2200 0x2200 #endif #define PCI_QLOGIC_ISP ((PCI_PRODUCT_QLOGIC_ISP1020 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP1080 \ ((PCI_PRODUCT_QLOGIC_ISP1080 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP1240 \ ((PCI_PRODUCT_QLOGIC_ISP1240 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2100 \ ((PCI_PRODUCT_QLOGIC_ISP2100 << 16) | PCI_VENDOR_QLOGIC) #define PCI_QLOGIC_ISP2200 \ ((PCI_PRODUCT_QLOGIC_ISP2200 << 16) | PCI_VENDOR_QLOGIC) #define IO_MAP_REG 0x10 #define MEM_MAP_REG 0x14 #define PCIR_ROMADDR 0x30 #define PCI_DFLT_LTNCY 0x40 #define PCI_DFLT_LNSZ 0x10 static int isp_pci_probe __P((struct device *, struct cfdata *, void *)); static void isp_pci_attach __P((struct device *, struct device *, void *)); struct isp_pcisoftc { struct ispsoftc pci_isp; pci_chipset_tag_t pci_pc; pcitag_t pci_tag; bus_space_tag_t pci_st; bus_space_handle_t pci_sh; bus_dma_tag_t pci_dmat; bus_dmamap_t pci_scratch_dmap; /* for fcp only */ bus_dmamap_t pci_rquest_dmap; bus_dmamap_t pci_result_dmap; bus_dmamap_t *pci_xfer_dmap; void * pci_ih; int16_t pci_poff[_NREG_BLKS]; }; struct cfattach isp_pci_ca = { sizeof (struct isp_pcisoftc), isp_pci_probe, isp_pci_attach }; static int isp_pci_probe(parent, match, aux) struct device *parent; struct cfdata *match; void *aux; { struct pci_attach_args *pa = aux; switch (pa->pa_id) { #ifndef ISP_DISABLE_1020_SUPPORT case PCI_QLOGIC_ISP: return (1); #endif #ifndef ISP_DISABLE_1080_SUPPORT case PCI_QLOGIC_ISP1080: case PCI_QLOGIC_ISP1240: return (1); #endif #ifndef ISP_DISABLE_2100_SUPPORT case PCI_QLOGIC_ISP2100: return (1); #endif #ifndef ISP_DISABLE_2200_SUPPORT case PCI_QLOGIC_ISP2200: return (1); #endif default: return (0); } } static void isp_pci_attach(parent, self, aux) struct device *parent, *self; void *aux; { #ifdef DEBUG static char oneshot = 1; #endif static char *nomem = "%s: no mem for sdparam table\n"; u_int32_t data, rev, linesz = PCI_DFLT_LNSZ; struct pci_attach_args *pa = aux; struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) self; struct ispsoftc *isp = &pcs->pci_isp; bus_space_tag_t st, iot, memt; bus_space_handle_t sh, ioh, memh; pci_intr_handle_t ih; const char *intrstr; int ioh_valid, memh_valid, i; ISP_LOCKVAL_DECL; ioh_valid = (pci_mapreg_map(pa, IO_MAP_REG, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, NULL, NULL) == 0); memh_valid = (pci_mapreg_map(pa, MEM_MAP_REG, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &memt, &memh, NULL, NULL) == 0); if (memh_valid) { st = memt; sh = memh; } else if (ioh_valid) { st = iot; sh = ioh; } else { printf(": unable to map device registers\n"); return; } printf("\n"); pcs->pci_st = st; pcs->pci_sh = sh; pcs->pci_dmat = pa->pa_dmat; pcs->pci_pc = pa->pa_pc; pcs->pci_tag = pa->pa_tag; pcs->pci_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF; pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS_OFF; pcs->pci_poff[SXP_BLOCK >> _BLK_REG_SHFT] = PCI_SXP_REGS_OFF; pcs->pci_poff[RISC_BLOCK >> _BLK_REG_SHFT] = PCI_RISC_REGS_OFF; pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF; rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0xff; #ifndef ISP_DISABLE_1020_SUPPORT if (pa->pa_id == PCI_QLOGIC_ISP) { isp->isp_mdvec = &mdvec; isp->isp_type = ISP_HA_SCSI_UNKNOWN; isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT); if (isp->isp_param == NULL) { printf(nomem, isp->isp_name); return; } bzero(isp->isp_param, sizeof (sdparam)); } #endif #ifndef ISP_DISABLE_1080_SUPPORT if (pa->pa_id == PCI_QLOGIC_ISP1080) { isp->isp_mdvec = &mdvec_1080; isp->isp_type = ISP_HA_SCSI_1080; isp->isp_param = malloc(sizeof (sdparam), M_DEVBUF, M_NOWAIT); if (isp->isp_param == NULL) { printf(nomem, isp->isp_name); return; } bzero(isp->isp_param, sizeof (sdparam)); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } if (pa->pa_id == PCI_QLOGIC_ISP1240) { isp->isp_mdvec = &mdvec_1080; isp->isp_type = ISP_HA_SCSI_12X0; isp->isp_param = malloc(2 * sizeof (sdparam), M_DEVBUF, M_NOWAIT); if (isp->isp_param == NULL) { printf(nomem, isp->isp_name); return; } bzero(isp->isp_param, 2 * sizeof (sdparam)); pcs->pci_poff[DMA_BLOCK >> _BLK_REG_SHFT] = ISP1080_DMA_REGS_OFF; } #endif #ifndef ISP_DISABLE_2100_SUPPORT if (pa->pa_id == PCI_QLOGIC_ISP2100) { isp->isp_mdvec = &mdvec_2100; isp->isp_type = ISP_HA_FC_2100; isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT); if (isp->isp_param == NULL) { printf(nomem, isp->isp_name); return; } bzero(isp->isp_param, sizeof (fcparam)); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF; if (rev < 3) { /* * XXX: Need to get the actual revision * XXX: number of the 2100 FB. At any rate, * XXX: lower cache line size for early revision * XXX; boards. */ linesz = 1; } } #endif #ifndef ISP_DISABLE_2200_SUPPORT if (pa->pa_id == PCI_QLOGIC_ISP2200) { isp->isp_mdvec = &mdvec_2200; isp->isp_type = ISP_HA_FC_2200; isp->isp_param = malloc(sizeof (fcparam), M_DEVBUF, M_NOWAIT); if (isp->isp_param == NULL) { printf(nomem, isp->isp_name); return; } bzero(isp->isp_param, sizeof (fcparam)); pcs->pci_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = PCI_MBOX_REGS2100_OFF; data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG); } #endif isp->isp_revision = rev; /* * Make sure that command register set sanely. */ data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); data |= PCI_COMMAND_MASTER_ENABLE | PCI_COMMAND_INVALIDATE_ENABLE; /* * Not so sure about these- but I think it's important that they get * enabled...... */ data |= PCI_COMMAND_PARITY_ENABLE | PCI_COMMAND_SERR_ENABLE; pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, data); /* * Make sure that the latency timer, cache line size, * and ROM is disabled. */ data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG); data &= ~(PCI_LATTIMER_MASK << PCI_LATTIMER_SHIFT); data &= ~(PCI_CACHELINE_MASK << PCI_CACHELINE_SHIFT); data |= (PCI_DFLT_LTNCY << PCI_LATTIMER_SHIFT); data |= (linesz << PCI_CACHELINE_SHIFT); pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data); data = pci_conf_read(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR); data &= ~1; pci_conf_write(pa->pa_pc, pa->pa_tag, PCIR_ROMADDR, data); #ifdef DEBUG if (oneshot) { oneshot = 0; printf("Qlogic ISP Driver, NetBSD (pci) Platform Version " "%d.%d Core Version %d.%d\n", ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR, ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR); } #endif if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, pa->pa_intrline, &ih)) { printf("%s: couldn't map interrupt\n", isp->isp_name); free(isp->isp_param, M_DEVBUF); return; } intrstr = pci_intr_string(pa->pa_pc, ih); if (intrstr == NULL) intrstr = ""; pcs->pci_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, isp_pci_intr, isp); if (pcs->pci_ih == NULL) { printf("%s: couldn't establish interrupt at %s\n", isp->isp_name, intrstr); free(isp->isp_param, M_DEVBUF); return; } printf("%s: interrupting at %s\n", isp->isp_name, intrstr); if (IS_FC(isp)) { long foo; /* * This isn't very random, but it's the best we can do for * the real edge case of cards that don't have WWNs. */ foo = (long) isp; foo >>= 4; foo &= 0x7; while (version[foo]) isp->isp_osinfo.seed += (int) version[foo++]; isp->isp_osinfo.seed <<= 8; isp->isp_osinfo.seed += (isp->isp_osinfo._dev.dv_unit + 1); } ISP_LOCK(isp); isp_reset(isp); if (isp->isp_state != ISP_RESETSTATE) { ISP_UNLOCK(isp); free(isp->isp_param, M_DEVBUF); return; } isp_init(isp); if (isp->isp_state != ISP_INITSTATE) { isp_uninit(isp); ISP_UNLOCK(isp); free(isp->isp_param, M_DEVBUF); return; } /* * Create the DMA maps for the data transfers. */ for (i = 0; i < isp->isp_maxcmds; i++) { if (bus_dmamap_create(pcs->pci_dmat, MAXPHYS, (MAXPHYS / NBPG) + 1, MAXPHYS, 0, BUS_DMA_NOWAIT, &pcs->pci_xfer_dmap[i])) { printf("%s: can't create dma maps\n", isp->isp_name); isp_uninit(isp); ISP_UNLOCK(isp); return; } } /* * Do Generic attach now. */ isp_attach(isp); if (isp->isp_state != ISP_RUNSTATE) { isp_uninit(isp); free(isp->isp_param, M_DEVBUF); } ISP_UNLOCK(isp); } static u_int16_t isp_pci_rd_reg(isp, regoff) struct ispsoftc *isp; int regoff; { u_int16_t rv; struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int offset, oldconf = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oldconf = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP); } offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { isp_pci_wr_reg(isp, BIU_CONF1, oldconf); } return (rv); } static void isp_pci_wr_reg(isp, regoff, val) struct ispsoftc *isp; int regoff; u_int16_t val; { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int offset, oldconf = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oldconf = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oldconf | BIU_PCI_CONF1_SXP); } offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { isp_pci_wr_reg(isp, BIU_CONF1, oldconf); } } #ifndef ISP_DISABLE_1080_SUPPORT static u_int16_t isp_pci_rd_reg_1080(isp, regoff) struct ispsoftc *isp; int regoff; { u_int16_t rv; struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int offset, oc = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oc = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_SXP); } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) { oc = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA); } offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); rv = bus_space_read_2(pcs->pci_st, pcs->pci_sh, offset); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK || ((regoff & _BLK_REG_MASK) == DMA_BLOCK)) { isp_pci_wr_reg(isp, BIU_CONF1, oc); } return (rv); } static void isp_pci_wr_reg_1080(isp, regoff, val) struct ispsoftc *isp; int regoff; u_int16_t val; { struct isp_pcisoftc *pcs = (struct isp_pcisoftc *) isp; int offset, oc = 0; if ((regoff & _BLK_REG_MASK) == SXP_BLOCK) { /* * We will assume that someone has paused the RISC processor. */ oc = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_SXP); } else if ((regoff & _BLK_REG_MASK) == DMA_BLOCK) { oc = isp_pci_rd_reg(isp, BIU_CONF1); isp_pci_wr_reg(isp, BIU_CONF1, oc | BIU_PCI1080_CONF1_DMA); } offset = pcs->pci_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); bus_space_write_2(pcs->pci_st, pcs->pci_sh, offset, val); if ((regoff & _BLK_REG_MASK) == SXP_BLOCK || ((regoff & _BLK_REG_MASK) == DMA_BLOCK)) { isp_pci_wr_reg(isp, BIU_CONF1, oc); } } #endif static int isp_pci_mbxdma(isp) struct ispsoftc *isp; { struct isp_pcisoftc *pci = (struct isp_pcisoftc *)isp; bus_dma_segment_t seg; bus_size_t len; fcparam *fcp; int rseg; if (isp->isp_rquest_dma) /* been here before? */ return (0); len = isp->isp_maxcmds * sizeof (ISP_SCSI_XFER_T); isp->isp_xflist = (ISP_SCSI_XFER_T **) malloc(len, M_DEVBUF, M_WAITOK); if (isp->isp_xflist == NULL) { printf("%s: cannot malloc xflist array\n", isp->isp_name); return (1); } bzero(isp->isp_xflist, len); len = isp->isp_maxcmds * sizeof (bus_dmamap_t); pci->pci_xfer_dmap = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK); if (pci->pci_xfer_dmap == NULL) { printf("%s: cannot malloc xflist array\n", isp->isp_name); return (1); } /* * Allocate and map the request queue. */ len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN); if (bus_dmamem_alloc(pci->pci_dmat, len, NBPG, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT) || bus_dmamem_map(pci->pci_dmat, &seg, rseg, len, (caddr_t *)&isp->isp_rquest, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) return (1); if (bus_dmamap_create(pci->pci_dmat, len, 1, len, 0, BUS_DMA_NOWAIT, &pci->pci_rquest_dmap) || bus_dmamap_load(pci->pci_dmat, pci->pci_rquest_dmap, (caddr_t)isp->isp_rquest, len, NULL, BUS_DMA_NOWAIT)) return (1); isp->isp_rquest_dma = pci->pci_rquest_dmap->dm_segs[0].ds_addr; /* * Allocate and map the result queue. */ len = ISP_QUEUE_SIZE(RESULT_QUEUE_LEN); if (bus_dmamem_alloc(pci->pci_dmat, len, NBPG, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT) || bus_dmamem_map(pci->pci_dmat, &seg, rseg, len, (caddr_t *)&isp->isp_result, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) return (1); if (bus_dmamap_create(pci->pci_dmat, len, 1, len, 0, BUS_DMA_NOWAIT, &pci->pci_result_dmap) || bus_dmamap_load(pci->pci_dmat, pci->pci_result_dmap, (caddr_t)isp->isp_result, len, NULL, BUS_DMA_NOWAIT)) return (1); isp->isp_result_dma = pci->pci_result_dmap->dm_segs[0].ds_addr; if (IS_SCSI(isp)) { return (0); } fcp = isp->isp_param; len = ISP2100_SCRLEN; if (bus_dmamem_alloc(pci->pci_dmat, len, NBPG, 0, &seg, 1, &rseg, BUS_DMA_NOWAIT) || bus_dmamem_map(pci->pci_dmat, &seg, rseg, len, (caddr_t *)&fcp->isp_scratch, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) return (1); if (bus_dmamap_create(pci->pci_dmat, len, 1, len, 0, BUS_DMA_NOWAIT, &pci->pci_scratch_dmap) || bus_dmamap_load(pci->pci_dmat, pci->pci_scratch_dmap, (caddr_t)fcp->isp_scratch, len, NULL, BUS_DMA_NOWAIT)) return (1); fcp->isp_scdma = pci->pci_scratch_dmap->dm_segs[0].ds_addr; return (0); } static int isp_pci_dmasetup(isp, xs, rq, iptrp, optr) struct ispsoftc *isp; struct scsipi_xfer *xs; ispreq_t *rq; u_int16_t *iptrp; u_int16_t optr; { struct isp_pcisoftc *pci = (struct isp_pcisoftc *)isp; bus_dmamap_t dmap = pci->pci_xfer_dmap[rq->req_handle - 1]; ispcontreq_t *crq; int segcnt, seg, error, ovseg, seglim, drq; if (xs->datalen == 0) { rq->req_seg_count = 1; goto mbxsync; } assert(rq->req_handle != 0 && rq->req_handle <= isp->isp_maxcmds); if (xs->xs_control & XS_CTL_DATA_IN) { drq = REQFLAG_DATA_IN; } else { drq = REQFLAG_DATA_OUT; } if (IS_FC(isp)) { seglim = ISP_RQDSEG_T2; ((ispreqt2_t *)rq)->req_totalcnt = xs->datalen; ((ispreqt2_t *)rq)->req_flags |= drq; } else { seglim = ISP_RQDSEG; rq->req_flags |= drq; } error = bus_dmamap_load(pci->pci_dmat, dmap, xs->data, xs->datalen, NULL, xs->xs_control & XS_CTL_NOSLEEP ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK); if (error) { XS_SETERR(xs, HBA_BOTCH); return (CMD_COMPLETE); } segcnt = dmap->dm_nsegs; for (seg = 0, rq->req_seg_count = 0; seg < segcnt && rq->req_seg_count < seglim; seg++, rq->req_seg_count++) { if (IS_FC(isp)) { ispreqt2_t *rq2 = (ispreqt2_t *)rq; rq2->req_dataseg[rq2->req_seg_count].ds_count = dmap->dm_segs[seg].ds_len; rq2->req_dataseg[rq2->req_seg_count].ds_base = dmap->dm_segs[seg].ds_addr; } else { rq->req_dataseg[rq->req_seg_count].ds_count = dmap->dm_segs[seg].ds_len; rq->req_dataseg[rq->req_seg_count].ds_base = dmap->dm_segs[seg].ds_addr; } } if (seg == segcnt) goto dmasync; do { crq = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, *iptrp); *iptrp = (*iptrp + 1) & (RQUEST_QUEUE_LEN - 1); if (*iptrp == optr) { printf("%s: Request Queue Overflow++\n", isp->isp_name); bus_dmamap_unload(pci->pci_dmat, dmap); XS_SETERR(xs, HBA_BOTCH); return (CMD_COMPLETE); } rq->req_header.rqs_entry_count++; bzero((void *)crq, sizeof (*crq)); crq->req_header.rqs_entry_count = 1; crq->req_header.rqs_entry_type = RQSTYPE_DATASEG; for (ovseg = 0; seg < segcnt && ovseg < ISP_CDSEG; rq->req_seg_count++, seg++, ovseg++) { crq->req_dataseg[ovseg].ds_count = dmap->dm_segs[seg].ds_len; crq->req_dataseg[ovseg].ds_base = dmap->dm_segs[seg].ds_addr; } } while (seg < segcnt); dmasync: bus_dmamap_sync(pci->pci_dmat, dmap, 0, dmap->dm_mapsize, (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); mbxsync: ISP_SWIZZLE_REQUEST(isp, rq); bus_dmamap_sync(pci->pci_dmat, pci->pci_rquest_dmap, 0, pci->pci_rquest_dmap->dm_mapsize, BUS_DMASYNC_PREWRITE); return (CMD_QUEUED); } static int isp_pci_intr(arg) void *arg; { struct isp_pcisoftc *pci = (struct isp_pcisoftc *)arg; bus_dmamap_sync(pci->pci_dmat, pci->pci_result_dmap, 0, pci->pci_result_dmap->dm_mapsize, BUS_DMASYNC_POSTREAD); return (isp_intr(arg)); } static void isp_pci_dmateardown(isp, xs, handle) struct ispsoftc *isp; struct scsipi_xfer *xs; u_int32_t handle; { struct isp_pcisoftc *pci = (struct isp_pcisoftc *)isp; bus_dmamap_t dmap; assert(handle != 0 && handle <= isp->isp_maxcmds); dmap = pci->pci_xfer_dmap[handle-1]; bus_dmamap_sync(pci->pci_dmat, dmap, 0, dmap->dm_mapsize, xs->xs_control & XS_CTL_DATA_IN ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(pci->pci_dmat, dmap); } static void isp_pci_reset1(isp) struct ispsoftc *isp; { /* Make sure the BIOS is disabled */ isp_pci_wr_reg(isp, HCCR, PCI_HCCR_CMD_BIOS); } static void isp_pci_dumpregs(isp) struct ispsoftc *isp; { struct isp_pcisoftc *pci = (struct isp_pcisoftc *)isp; printf("%s: PCI Status Command/Status=%x\n", pci->pci_isp.isp_name, pci_conf_read(pci->pci_pc, pci->pci_tag, PCI_COMMAND_STATUS_REG)); }