'Support' for ISP SBus cards.
This code does not imply that SBus cards work yet. They hang for me. But I can't netboot the latest snapshot on my ultra1e, and things hang at bus_setup_intr time. Since I'm offline for a while, I thought I'd toss this in in case somebody else who has a bit better luck wants to fart around with it. Please try and wait until I get back to check things in.
This commit is contained in:
mjacob
parent
af8ddb129a
commit
69551f9a00
@ -34,6 +34,9 @@
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#include <dev/isp/isp_ioctl.h>
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int isp_announced = 0;
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ispfwfunc *isp_get_firmware_p = NULL;
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static d_ioctl_t ispioctl;
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static void isp_intr_enable(void *);
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static void isp_cam_async(void *, u_int32_t, struct cam_path *, void *);
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@ -2075,7 +2078,6 @@ isp_action(struct cam_sim *sim, union ccb *ccb)
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}
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cv_signal(&isp->isp_osinfo.kthread_cv);
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isp_freeze_loopdown(isp, "isp_action(RQLATER)");
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isp->isp_osinfo.simqfrozen |= SIMQFRZ_LOOPDOWN;
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XS_SETERR(ccb, CAM_REQUEUE_REQ);
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ISPLOCK_2_CAMLOCK(isp);
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xpt_done(ccb);
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@ -364,6 +364,11 @@ default: \
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extern void isp_attach(struct ispsoftc *);
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extern void isp_uninit(struct ispsoftc *);
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/*
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* driver global data
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*/
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extern int isp_announced;
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/*
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* Platform private flags
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*/
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@ -31,6 +31,7 @@
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*/
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#ifndef _ISP_INLINE_H
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#define _ISP_INLINE_H
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/*
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* Handle Functions.
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* For each outstanding command there will be a non-zero handle.
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@ -62,10 +62,6 @@ isp_pci_dmateardown(struct ispsoftc *, XS_T *, u_int16_t);
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static void isp_pci_reset1(struct ispsoftc *);
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static void isp_pci_dumpregs(struct ispsoftc *, const char *);
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#ifndef ISP_CODE_ORG
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#define ISP_CODE_ORG 0x1000
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#endif
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static struct ispmdvec mdvec = {
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isp_pci_rd_isr,
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isp_pci_rd_reg,
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@ -266,7 +262,7 @@ struct isp_pcisoftc {
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bus_dma_tag_t dmat;
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bus_dmamap_t *dmaps;
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};
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ispfwfunc *isp_get_firmware_p = NULL;
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extern ispfwfunc *isp_get_firmware_p;
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static device_method_t isp_pci_methods[] = {
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/* Device interface */
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@ -281,7 +277,6 @@ static driver_t isp_pci_driver = {
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};
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static devclass_t isp_devclass;
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DRIVER_MODULE(isp, pci, isp_pci_driver, isp_devclass, 0, 0);
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MODULE_VERSION(isp, 1);
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static int
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isp_pci_probe(device_t dev)
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@ -320,11 +315,12 @@ isp_pci_probe(device_t dev)
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default:
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return (ENXIO);
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}
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if (device_get_unit(dev) == 0 && bootverbose) {
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if (isp_announced == 0 && bootverbose) {
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printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
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"Core Version %d.%d\n",
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ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
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ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
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isp_announced++;
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}
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/*
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* XXXX: Here is where we might load the f/w module
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@ -688,7 +684,6 @@ isp_pci_attach(device_t dev)
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}
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}
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isp_debug = 0;
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isp_debug = 0;
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(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
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"debug", &isp_debug);
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841
sys/dev/isp/isp_sbus.c
Normal file
841
sys/dev/isp/isp_sbus.c
Normal file
@ -0,0 +1,841 @@
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/* $FreeBSD$ */
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/*
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* PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
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* FreeBSD Version.
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*
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* Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/resource.h>
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#include <machine/bus.h>
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#include <machine/ofw_machdep.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <ofw/openfirm.h>
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#include <sparc64/sbus/sbusvar.h>
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#include <dev/isp/isp_freebsd.h>
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static u_int16_t isp_sbus_rd_reg(struct ispsoftc *, int);
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static void isp_sbus_wr_reg(struct ispsoftc *, int, u_int16_t);
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static int
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isp_sbus_rd_isr(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *);
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static int isp_sbus_mbxdma(struct ispsoftc *);
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static int
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isp_sbus_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *, u_int16_t *, u_int16_t);
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static void
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isp_sbus_dmateardown(struct ispsoftc *, XS_T *, u_int16_t);
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static void isp_sbus_reset1(struct ispsoftc *);
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static void isp_sbus_dumpregs(struct ispsoftc *, const char *);
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static struct ispmdvec mdvec = {
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isp_sbus_rd_isr,
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isp_sbus_rd_reg,
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isp_sbus_wr_reg,
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isp_sbus_mbxdma,
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isp_sbus_dmasetup,
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isp_sbus_dmateardown,
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NULL,
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isp_sbus_reset1,
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isp_sbus_dumpregs,
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NULL,
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BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
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};
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static int isp_sbus_probe (device_t);
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static int isp_sbus_attach (device_t);
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struct isp_sbussoftc {
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struct ispsoftc sbus_isp;
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device_t sbus_dev;
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struct resource * sbus_reg;
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bus_space_tag_t sbus_st;
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bus_space_handle_t sbus_sh;
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void * ih;
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int16_t sbus_poff[_NREG_BLKS];
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bus_dma_tag_t dmat;
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bus_dmamap_t *dmaps;
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sdparam sbus_param;
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struct ispmdvec sbus_mdvec;
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struct resource * sbus_ires;
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};
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extern ispfwfunc *isp_get_firmware_p;
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static device_method_t isp_sbus_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, isp_sbus_probe),
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DEVMETHOD(device_attach, isp_sbus_attach),
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{ 0, 0 }
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};
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static void isp_sbus_intr(void *);
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static driver_t isp_sbus_driver = {
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"isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
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};
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static devclass_t isp_devclass;
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DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
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static int
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isp_sbus_probe(device_t dev)
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{
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int found = 0;
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char *name = sbus_get_name(dev);
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if (strcmp(name, "SUNW,isp") == 0 ||
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strcmp(name, "QLGC,isp") == 0 ||
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strcmp(name, "ptisp") == 0 ||
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strcmp(name, "PTI,ptisp") == 0) {
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found++;
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}
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if (!found)
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return (ENXIO);
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if (isp_announced == 0 && bootverbose) {
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printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
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"Core Version %d.%d\n",
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ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
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ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
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isp_announced++;
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}
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return (0);
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}
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static int
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isp_sbus_attach(device_t dev)
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{
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struct resource *regs;
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int tval, iqd, isp_debug, role, rid, ispburst, freq;
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struct isp_sbussoftc *sbs;
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struct ispsoftc *isp = NULL;
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int locksetup = 0;
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/*
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* Figure out if we're supposed to skip this one.
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* If we are, we actually go to ISP_ROLE_NONE.
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*/
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tval = 0;
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if (resource_int_value(device_get_name(dev), device_get_unit(dev),
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"disable", &tval) == 0 && tval) {
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device_printf(dev, "device is disabled\n");
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/* but return 0 so the !$)$)*!$*) unit isn't reused */
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return (0);
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}
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role = 0;
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if (resource_int_value(device_get_name(dev), device_get_unit(dev),
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"role", &role) == 0 &&
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((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
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device_printf(dev, "setting role to 0x%x\n", role);
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} else {
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#ifdef ISP_TARGET_MODE
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role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET;
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#else
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role = ISP_DEFAULT_ROLES;
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#endif
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}
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sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
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if (sbs == NULL) {
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device_printf(dev, "cannot allocate softc\n");
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return (ENOMEM);
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}
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regs = NULL;
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iqd = 0;
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rid = 0;
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regs =
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bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 0, ~0, 1, RF_ACTIVE);
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if (regs == 0) {
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device_printf(dev, "unable to map registers\n");
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goto bad;
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}
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sbs->sbus_dev = dev;
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sbs->sbus_reg = regs;
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sbs->sbus_st = rman_get_bustag(regs);
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sbs->sbus_sh = rman_get_bushandle(regs);
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sbs->sbus_mdvec = mdvec;
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sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
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sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
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sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
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sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
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sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
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isp = &sbs->sbus_isp;
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isp->isp_mdvec = &sbs->sbus_mdvec;
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isp->isp_bustype = ISP_BT_SBUS;
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isp->isp_type = ISP_HA_SCSI_UNKNOWN;
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isp->isp_param = &sbs->sbus_param;
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isp->isp_revision = 0; /* XXX */
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isp->isp_role = role;
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isp->isp_dev = dev;
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freq = sbus_get_clockfreq(dev);
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if (freq) {
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/*
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* Convert from HZ to MHz, rounding up.
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*/
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freq = (freq + 500000)/1000000;
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} else {
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freq = 25000000;
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}
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sbs->sbus_mdvec.dv_clock = freq;
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/*
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* Now figure out what the proper burst sizes, etc., to use.
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* Unfortunately, there is no ddi_dma_burstsizes here which
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* walks up the tree finding the limiting burst size node (if
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* any). We just use what's here for isp.
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*/
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ispburst = sbus_get_burstsz(dev);
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if (ispburst == 0) {
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ispburst = SBUS_BURST_32 - 1;
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}
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sbs->sbus_mdvec.dv_conf1 = 0;
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if (ispburst & (1 << 5)) {
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sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
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} else if (ispburst & (1 << 4)) {
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sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
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} else if (ispburst & (1 << 3)) {
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sbs->sbus_mdvec.dv_conf1 =
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BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
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}
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if (sbs->sbus_mdvec.dv_conf1) {
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sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
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}
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/*
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* Some early versions of the PTI SBus adapter
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* would fail in trying to download (via poking)
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* FW. We give up on them.
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*/
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if (strcmp("PTI,ptisp", sbus_get_name(dev)) == 0 ||
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strcmp("ptisp", sbus_get_name(dev)) == 0) {
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sbs->sbus_mdvec.dv_ispfw = NULL;
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}
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/*
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* Try and find firmware for this device.
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*/
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if (isp_get_firmware_p) {
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(*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw);
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}
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iqd = 0;
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sbs->sbus_ires = bus_alloc_resource(dev, SYS_RES_IRQ, &iqd, 0, ~0,
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1, RF_ACTIVE | RF_SHAREABLE);
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if (sbs->sbus_ires == NULL) {
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device_printf(dev, "could not allocate interrupt\n");
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goto bad;
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}
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isp_prt(isp, ISP_LOGALL, "HERE %d", __LINE__);
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tval = 0;
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if (resource_int_value(device_get_name(dev), device_get_unit(dev),
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"fwload_disable", &tval) == 0 && tval != 0) {
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isp->isp_confopts |= ISP_CFG_NORELOAD;
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}
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tval = 0;
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if (resource_int_value(device_get_name(dev), device_get_unit(dev),
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"ignore_nvram", &tval) == 0 && tval != 0) {
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isp->isp_confopts |= ISP_CFG_NONVRAM;
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}
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isp_debug = 0;
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(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
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"debug", &isp_debug);
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isp_prt(isp, ISP_LOGALL, "HERE %d", __LINE__);
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/* Make sure the lock is set up. */
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mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
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locksetup++;
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isp_prt(isp, ISP_LOGALL, "HERE %d", __LINE__);
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#ifdef ISP_SMPLOCK
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#define INTR_FLAGS INTR_TYPE_CAM | INTR_MPSAFE | INTR_ENTROPY
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#else
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#define INTR_FLAGS INTR_TYPE_CAM | INTR_ENTROPY
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#endif
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if (bus_setup_intr(dev, sbs->sbus_ires, INTR_FLAGS,
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isp_sbus_intr, isp, &sbs->ih)) {
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device_printf(dev, "could not setup interrupt\n");
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goto bad;
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}
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isp_prt(isp, ISP_LOGALL, "HERE %d", __LINE__);
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/*
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* Set up logging levels.
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*/
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if (isp_debug) {
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isp->isp_dblev = isp_debug;
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} else {
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isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
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}
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if (bootverbose)
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isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
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isp_prt(isp, ISP_LOGALL, "HERE %d", __LINE__);
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/*
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* Make sure we're in reset state.
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*/
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ISP_LOCK(isp);
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isp_reset(isp);
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if (isp->isp_state != ISP_RESETSTATE) {
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ISP_UNLOCK(isp);
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goto bad;
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}
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isp_init(isp);
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if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
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isp_uninit(isp);
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ISP_UNLOCK(isp);
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goto bad;
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}
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isp_attach(isp);
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if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) {
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isp_uninit(isp);
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ISP_UNLOCK(isp);
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goto bad;
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}
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/*
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* XXXX: Here is where we might unload the f/w module
|
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* XXXX: (or decrease the reference count to it).
|
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*/
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ISP_UNLOCK(isp);
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return (0);
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bad:
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if (sbs && sbs->ih) {
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(void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
|
||||
}
|
||||
|
||||
if (locksetup && isp) {
|
||||
mtx_destroy(&isp->isp_osinfo.lock);
|
||||
}
|
||||
|
||||
if (sbs && sbs->sbus_ires) {
|
||||
bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
|
||||
}
|
||||
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
/*
|
||||
* XXXX: Here is where we might unload the f/w module
|
||||
* XXXX: (or decrease the reference count to it).
|
||||
*/
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
static void
|
||||
isp_sbus_intr(void *arg)
|
||||
{
|
||||
struct ispsoftc *isp = arg;
|
||||
u_int16_t isr, sema, mbox;
|
||||
|
||||
ISP_LOCK(isp);
|
||||
isp->isp_intcnt++;
|
||||
if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
|
||||
isp->isp_intbogus++;
|
||||
} else {
|
||||
int iok = isp->isp_osinfo.intsok;
|
||||
isp->isp_osinfo.intsok = 0;
|
||||
isp_intr(isp, isr, sema, mbox);
|
||||
isp->isp_osinfo.intsok = iok;
|
||||
}
|
||||
ISP_UNLOCK(isp);
|
||||
}
|
||||
|
||||
#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(sbc->sbus_st, sbc->sbus_sh, off)
|
||||
|
||||
static int
|
||||
isp_sbus_rd_isr(struct ispsoftc *isp, u_int16_t *isrp,
|
||||
u_int16_t *semap, u_int16_t *mbp)
|
||||
{
|
||||
struct isp_sbussoftc *sbc = (struct isp_sbussoftc *) isp;
|
||||
u_int16_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 u_int16_t
|
||||
isp_sbus_rd_reg(struct ispsoftc *isp, int regoff)
|
||||
{
|
||||
u_int16_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(sbs->sbus_st, sbs->sbus_sh, offset);
|
||||
isp_prt(isp, ISP_LOGDEBUG3,
|
||||
"isp_sbus_rd_reg(off %x) = %x", regoff, rval);
|
||||
return (rval);
|
||||
}
|
||||
|
||||
static void
|
||||
isp_sbus_wr_reg(struct ispsoftc *isp, int regoff, u_int16_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(sbs->sbus_st, sbs->sbus_sh, offset, val);
|
||||
}
|
||||
|
||||
struct imush {
|
||||
struct ispsoftc *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 {
|
||||
struct ispsoftc *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;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
|
||||
*/
|
||||
#define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
|
||||
|
||||
static int
|
||||
isp_sbus_mbxdma(struct ispsoftc *isp)
|
||||
{
|
||||
struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
|
||||
caddr_t base;
|
||||
u_int32_t len;
|
||||
int i, error, ns;
|
||||
bus_size_t bl;
|
||||
struct imush im;
|
||||
|
||||
/*
|
||||
* Already been here? If so, leave...
|
||||
*/
|
||||
if (isp->isp_rquest) {
|
||||
return (0);
|
||||
}
|
||||
|
||||
bl = BUS_SPACE_MAXADDR_24BIT;
|
||||
|
||||
if (bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR,
|
||||
BUS_SPACE_MAXADDR, NULL, NULL, BUS_SPACE_MAXSIZE,
|
||||
ISP_NSEGS, bl, 0, &sbs->dmat)) {
|
||||
isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
|
||||
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");
|
||||
return (1);
|
||||
}
|
||||
len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
|
||||
sbs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
|
||||
if (sbs->dmaps == NULL) {
|
||||
isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage");
|
||||
free(isp->isp_xflist, M_DEVBUF);
|
||||
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 (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, 0, BUS_SPACE_MAXADDR,
|
||||
BUS_SPACE_MAXADDR, NULL, NULL, len, ns, bl, 0, &isp->isp_cdmat)) {
|
||||
isp_prt(isp, ISP_LOGERR,
|
||||
"cannot create a dma tag for control spaces");
|
||||
free(sbs->dmaps, M_DEVBUF);
|
||||
free(isp->isp_xflist, M_DEVBUF);
|
||||
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_xflist, M_DEVBUF);
|
||||
free(sbs->dmaps, M_DEVBUF);
|
||||
return (1);
|
||||
}
|
||||
|
||||
for (i = 0; i < isp->isp_maxcmds; i++) {
|
||||
error = bus_dmamap_create(sbs->dmat, 0, &sbs->dmaps[i]);
|
||||
if (error) {
|
||||
isp_prt(isp, ISP_LOGERR,
|
||||
"error %d creating per-cmd DMA maps", error);
|
||||
while (--i >= 0) {
|
||||
bus_dmamap_destroy(sbs->dmat, sbs->dmaps[i]);
|
||||
}
|
||||
goto bad;
|
||||
}
|
||||
}
|
||||
|
||||
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;
|
||||
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(sbs->dmaps, M_DEVBUF);
|
||||
isp->isp_rquest = NULL;
|
||||
return (1);
|
||||
}
|
||||
|
||||
typedef struct {
|
||||
struct ispsoftc *isp;
|
||||
void *cmd_token;
|
||||
void *rq;
|
||||
u_int16_t *nxtip;
|
||||
u_int16_t optr;
|
||||
u_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;
|
||||
struct ispsoftc *isp;
|
||||
struct ccb_scsiio *csio;
|
||||
struct isp_sbussoftc *sbs;
|
||||
bus_dmamap_t *dp;
|
||||
bus_dma_segment_t *eseg;
|
||||
ispreq_t *rq;
|
||||
int seglim, datalen;
|
||||
u_int16_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;
|
||||
sbs = (struct isp_sbussoftc *)mp->isp;
|
||||
dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
|
||||
nxti = *mp->nxtip;
|
||||
|
||||
if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
|
||||
bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREREAD);
|
||||
} else {
|
||||
bus_dmamap_sync(sbs->dmat, *dp, 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) {
|
||||
u_int16_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(struct ispsoftc *isp, struct ccb_scsiio *csio, ispreq_t *rq,
|
||||
u_int16_t *nxtip, u_int16_t optr)
|
||||
{
|
||||
struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
|
||||
ispreq_t *qep;
|
||||
bus_dmamap_t *dp = NULL;
|
||||
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, s;
|
||||
dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
|
||||
s = splsoftvm();
|
||||
error = bus_dmamap_load(sbs->dmat, *dp,
|
||||
csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
|
||||
if (error == EINPROGRESS) {
|
||||
bus_dmamap_unload(sbs->dmat, *dp);
|
||||
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;
|
||||
}
|
||||
splx(s);
|
||||
} 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:
|
||||
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_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle)
|
||||
{
|
||||
struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
|
||||
bus_dmamap_t *dp = &sbs->dmaps[isp_handle_index(handle)];
|
||||
if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
|
||||
bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTREAD);
|
||||
} else {
|
||||
bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTWRITE);
|
||||
}
|
||||
bus_dmamap_unload(sbs->dmat, *dp);
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
isp_sbus_reset1(struct ispsoftc *isp)
|
||||
{
|
||||
/* enable interrupts */
|
||||
ENABLE_INTS(isp);
|
||||
}
|
||||
|
||||
static void
|
||||
isp_sbus_dumpregs(struct ispsoftc *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));
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user