mirror of
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Add the 'mfip' sub-driver for gaining SCSI-passthrough access to devices
on an MFI controller.
This commit is contained in:
Scott Long
parent
2104448fe7
commit
f366931c86
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=169609
@ -1629,6 +1629,7 @@ device ida # Compaq Smart RAID
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device mlx # Mylex DAC960
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device amr # AMI MegaRAID
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device mfi # LSI MegaRAID SAS
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device mfip # LSI MegaRAID SAS passthrough, requires CAM
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options MFI_DEBUG
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#
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@ -756,6 +756,7 @@ dev/mfi/mfi_debug.c optional mfi
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dev/mfi/mfi_pci.c optional mfi pci
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dev/mfi/mfi_disk.c optional mfi
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dev/mfi/mfi_linux.c optional mfi compat_linux
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dev/mfi/mfi_cam.c optional mfip scbus
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dev/mii/acphy.c optional miibus | acphy
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dev/mii/amphy.c optional miibus | amphy
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dev/mii/bmtphy.c optional miibus | bmtphy
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389
sys/dev/mfi/mfi_cam.c
Normal file
389
sys/dev/mfi/mfi_cam.c
Normal file
@ -0,0 +1,389 @@
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/*-
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* Copyright 2007 Scott Long
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* All rights reserved.
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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, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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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
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* FOR 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/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_mfi.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/selinfo.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <sys/eventhandler.h>
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#include <sys/rman.h>
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#include <sys/bus_dma.h>
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#include <sys/bio.h>
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#include <sys/ioccom.h>
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#include <sys/uio.h>
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#include <sys/proc.h>
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#include <sys/signalvar.h>
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#include <cam/cam.h>
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#include <cam/cam_ccb.h>
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#include <cam/cam_debug.h>
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#include <cam/cam_sim.h>
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#include <cam/cam_xpt_sim.h>
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#include <cam/scsi/scsi_all.h>
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#include <cam/scsi/scsi_message.h>
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#include <sys/bus.h>
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#include <sys/conf.h>
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#include <machine/md_var.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <dev/mfi/mfireg.h>
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#include <dev/mfi/mfi_ioctl.h>
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#include <dev/mfi/mfivar.h>
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struct mfip_softc {
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device_t dev;
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struct mfi_softc *mfi_sc;
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struct cam_devq *devq;
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struct cam_sim *sim;
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struct cam_path *path;
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};
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static int mfip_probe(device_t);
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static int mfip_attach(device_t);
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static int mfip_detach(device_t);
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static void mfip_cam_action(struct cam_sim *, union ccb *);
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static void mfip_cam_poll(struct cam_sim *);
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static struct mfi_command * mfip_start(void *);
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static void mfip_done(struct mfi_command *cm);
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static devclass_t mfip_devclass;
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static device_method_t mfip_methods[] = {
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DEVMETHOD(device_probe, mfip_probe),
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DEVMETHOD(device_attach, mfip_attach),
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DEVMETHOD(device_detach, mfip_detach),
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{0, 0}
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};
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static driver_t mfip_driver = {
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"mfip",
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mfip_methods,
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sizeof(struct mfip_softc)
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};
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DRIVER_MODULE(mfip, mfi, mfip_driver, mfip_devclass, 0, 0);
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MODULE_DEPEND(mfip, cam, 1, 1, 1);
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#define ccb_mfip_ptr sim_priv.entries[0].ptr
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static int
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mfip_probe(device_t dev)
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{
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device_set_desc(dev, "SCSI Passthrough Bus");
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return (0);
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}
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static int
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mfip_attach(device_t dev)
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{
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struct mfip_softc *sc;
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struct mfi_softc *mfisc;
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sc = device_get_softc(dev);
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if (sc == NULL)
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return (EINVAL);
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mfisc = device_get_softc(device_get_parent(dev));
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sc->dev = dev;
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sc->mfi_sc = mfisc;
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mfisc->mfi_cam_start = mfip_start;
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if ((sc->devq = cam_simq_alloc(MFI_SCSI_MAX_CMDS)) == NULL)
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return (ENOMEM);
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sc->sim = cam_sim_alloc(mfip_cam_action, mfip_cam_poll, "mfi", sc,
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device_get_unit(dev), &mfisc->mfi_io_lock, 1,
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MFI_SCSI_MAX_CMDS, sc->devq);
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if (sc->sim == NULL) {
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cam_simq_free(sc->devq);
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device_printf(dev, "CAM SIM attach failed\n");
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return (EINVAL);
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}
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mtx_lock(&mfisc->mfi_io_lock);
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if (xpt_bus_register(sc->sim, 0) != 0) {
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device_printf(dev, "XPT bus registration failed\n");
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cam_sim_free(sc->sim, FALSE);
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cam_simq_free(sc->devq);
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mtx_unlock(&mfisc->mfi_io_lock);
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return (EINVAL);
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}
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mtx_unlock(&mfisc->mfi_io_lock);
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return (0);
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}
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static int
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mfip_detach(device_t dev)
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{
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struct mfip_softc *sc;
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sc = device_get_softc(dev);
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if (sc == NULL)
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return (EINVAL);
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if (sc->sim != NULL) {
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mtx_lock(&sc->mfi_sc->mfi_io_lock);
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xpt_bus_deregister(cam_sim_path(sc->sim));
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cam_sim_free(sc->sim, FALSE);
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mtx_unlock(&sc->mfi_sc->mfi_io_lock);
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}
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if (sc->devq != NULL)
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cam_simq_free(sc->devq);
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return (0);
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}
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static void
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mfip_cam_action(struct cam_sim *sim, union ccb *ccb)
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{
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struct mfip_softc *sc = cam_sim_softc(sim);
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struct mfi_softc *mfisc = sc->mfi_sc;
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mtx_assert(&mfisc->mfi_io_lock, MA_OWNED);
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switch (ccb->ccb_h.func_code) {
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case XPT_PATH_INQ:
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{
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struct ccb_pathinq *cpi = &ccb->cpi;
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cpi->version_num = 1;
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cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
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cpi->target_sprt = 0;
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cpi->hba_misc = PIM_NOBUSRESET;
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cpi->hba_eng_cnt = 0;
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cpi->max_target = MFI_SCSI_MAX_TARGETS;
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cpi->max_lun = MFI_SCSI_MAX_LUNS;
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cpi->initiator_id = MFI_SCSI_INITIATOR_ID;
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strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
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strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
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strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
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cpi->unit_number = cam_sim_unit(sim);
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cpi->bus_id = cam_sim_bus(sim);
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cpi->base_transfer_speed = 150000;
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cpi->transport = XPORT_SPI;
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cpi->transport_version = 2;
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cpi->protocol = PROTO_SCSI;
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cpi->protocol_version = SCSI_REV_2;
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cpi->ccb_h.status = CAM_REQ_CMP;
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break;
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}
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case XPT_RESET_BUS:
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ccb->ccb_h.status = CAM_REQ_CMP;
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break;
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case XPT_RESET_DEV:
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ccb->ccb_h.status = CAM_REQ_CMP;
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break;
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case XPT_GET_TRAN_SETTINGS:
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{
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struct ccb_trans_settings_scsi *scsi =
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&ccb->cts.proto_specific.scsi;
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struct ccb_trans_settings_spi *spi =
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&ccb->cts.xport_specific.spi;
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ccb->cts.protocol = PROTO_SCSI;
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ccb->cts.protocol = SCSI_REV_2;
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ccb->cts.transport = XPORT_SPI;
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ccb->cts.transport_version = 2;
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if (ccb->ccb_h.target_lun != CAM_LUN_WILDCARD) {
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scsi->valid = CTS_SCSI_VALID_TQ;
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spi->valid |= CTS_SPI_VALID_DISC;
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} else
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scsi->valid = 0;
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ccb->ccb_h.status = CAM_REQ_CMP;
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break;
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}
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case XPT_SET_TRAN_SETTINGS:
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ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
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break;
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case XPT_SCSI_IO:
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{
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struct ccb_hdr *ccbh = &ccb->ccb_h;
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struct ccb_scsiio *csio = &ccb->csio;
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ccbh->status = CAM_REQ_INPROG;
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if (csio->cdb_len > MFI_SCSI_MAX_CDB_LEN) {
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ccbh->status = CAM_REQ_INVALID;
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break;
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}
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if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
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if (ccbh->flags & CAM_DATA_PHYS) {
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ccbh->status = CAM_REQ_INVALID;
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break;
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}
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if (ccbh->flags & CAM_SCATTER_VALID) {
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ccbh->status = CAM_REQ_INVALID;
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break;
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}
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}
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ccbh->ccb_mfip_ptr = sc;
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TAILQ_INSERT_TAIL(&mfisc->mfi_cam_ccbq, ccbh, sim_links.tqe);
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mfi_startio(mfisc);
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return;
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}
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default:
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ccb->ccb_h.status = CAM_REQ_INVALID;
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break;
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}
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xpt_done(ccb);
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return;
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}
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static struct mfi_command *
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mfip_start(void *data)
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{
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union ccb *ccb = data;
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struct ccb_hdr *ccbh = &ccb->ccb_h;
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struct ccb_scsiio *csio = &ccb->csio;
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struct mfip_softc *sc;
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struct mfi_pass_frame *pt;
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struct mfi_command *cm;
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sc = ccbh->ccb_mfip_ptr;
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if ((cm = mfi_dequeue_free(sc->mfi_sc)) == NULL)
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return (NULL);
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pt = &cm->cm_frame->pass;
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pt->header.cmd = MFI_CMD_PD_SCSI_IO;
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pt->header.cmd_status = 0;
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pt->header.scsi_status = 0;
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pt->header.target_id = ccbh->target_id;
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pt->header.lun_id = ccbh->target_lun;
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pt->header.flags = 0;
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pt->header.timeout = 0;
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pt->header.data_len = csio->dxfer_len;
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pt->header.sense_len = MFI_SENSE_LEN;
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pt->header.cdb_len = csio->cdb_len;
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pt->sense_addr_lo = cm->cm_sense_busaddr;
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pt->sense_addr_hi = 0;
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if (ccbh->flags & CAM_CDB_POINTER)
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bcopy(csio->cdb_io.cdb_ptr, &pt->cdb[0], csio->cdb_len);
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else
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bcopy(csio->cdb_io.cdb_bytes, &pt->cdb[0], csio->cdb_len);
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cm->cm_complete = mfip_done;
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cm->cm_private = ccb;
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cm->cm_sg = &pt->sgl;
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cm->cm_total_frame_size = MFI_PASS_FRAME_SIZE;
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cm->cm_data = csio->data_ptr;
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cm->cm_len = csio->dxfer_len;
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switch (ccbh->flags & CAM_DIR_MASK) {
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case CAM_DIR_IN:
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cm->cm_flags = MFI_CMD_DATAIN;
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break;
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case CAM_DIR_OUT:
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cm->cm_flags = MFI_CMD_DATAOUT;
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break;
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case CAM_DIR_NONE:
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default:
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cm->cm_data = NULL;
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cm->cm_len = 0;
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cm->cm_flags = 0;
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break;
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}
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TAILQ_REMOVE(&sc->mfi_sc->mfi_cam_ccbq, ccbh, sim_links.tqe);
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return (cm);
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}
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static void
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mfip_done(struct mfi_command *cm)
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{
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union ccb *ccb = cm->cm_private;
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struct ccb_hdr *ccbh = &ccb->ccb_h;
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struct ccb_scsiio *csio = &ccb->csio;
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struct mfip_softc *sc;
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struct mfi_pass_frame *pt;
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sc = ccbh->ccb_mfip_ptr;
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pt = &cm->cm_frame->pass;
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switch (pt->header.cmd_status) {
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case MFI_STAT_OK:
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{
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uint8_t command, device;
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ccbh->status = CAM_REQ_CMP;
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csio->scsi_status = pt->header.scsi_status;
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if (ccbh->flags & CAM_CDB_POINTER)
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command = ccb->csio.cdb_io.cdb_ptr[0];
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else
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command = ccb->csio.cdb_io.cdb_bytes[0];
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if (command == INQUIRY) {
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device = ccb->csio.data_ptr[0] & 0x1f;
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if ((device == T_DIRECT) || (device == T_PROCESSOR))
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csio->data_ptr[0] =
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(device & 0xe0) | T_NODEVICE;
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}
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break;
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}
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case MFI_STAT_SCSI_DONE_WITH_ERROR:
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{
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int sense_len;
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ccbh->status = CAM_REQ_CMP_ERR | CAM_AUTOSNS_VALID;
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csio->scsi_status = pt->header.scsi_status;
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sense_len = min(pt->header.sense_len, sizeof(struct scsi_sense_data));
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bzero(&csio->sense_data, sizeof(struct scsi_sense_data));
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bcopy(&cm->cm_sense->data[0], &csio->sense_data, sense_len);
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break;
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}
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case MFI_STAT_DEVICE_NOT_FOUND:
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ccbh->status = CAM_DEV_NOT_THERE;
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break;
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case MFI_STAT_SCSI_IO_FAILED:
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ccbh->status = CAM_REQ_CMP_ERR;
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csio->scsi_status = pt->header.scsi_status;
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break;
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default:
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ccbh->status = CAM_REQ_CMP_ERR;
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csio->scsi_status = pt->header.scsi_status;
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break;
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}
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mfi_release_command(cm);
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xpt_done(ccb);
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}
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static void
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mfip_cam_poll(struct cam_sim *sim)
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{
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return;
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}
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@ -2,13 +2,15 @@
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.PATH: ${.CURDIR}/../../dev/mfi
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SUBDIR= mfip
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.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "amd64"
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SUBDIR= mfi_linux
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SUBDIR+= mfi_linux
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.endif
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KMOD= mfi
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SRCS= mfi.c mfi_pci.c mfi_disk.c mfi_debug.c
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SRCS+= opt_mfi.h
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SRCS+= opt_mfi.h opt_cam.h
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SRCS+= device_if.h bus_if.h pci_if.h
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#CFLAGS += -DMFI_DEBUG
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10
sys/modules/mfi/mfip/Makefile
Normal file
10
sys/modules/mfi/mfip/Makefile
Normal file
@ -0,0 +1,10 @@
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# $FreeBSD$
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.PATH: ${.CURDIR}/../../../dev/mfi
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KMOD= mfip
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SRCS= mfi_cam.c
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SRCS+= opt_mfi.h opt_cam.h
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SRCS+= device_if.h bus_if.h pci_if.h
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.include <bsd.kmod.mk>
|
||||
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