441f6d5dca
- Fix the locking protocol to eliminate races between normal I/O and AENs. - Various small improvements and usability tweaks. Sponsored by: IronPort Portions Submitted by: Doug Ambrisko
264 lines
6.1 KiB
C
264 lines
6.1 KiB
C
/*-
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* Copyright (c) 2006 IronPort Systems
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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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#ifdef MFI_DEBUG
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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/conf.h>
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#include <sys/bus.h>
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#include <sys/bio.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/malloc.h>
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#include <sys/selinfo.h>
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#include <sys/taskqueue.h>
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#include <sys/uio.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <vm/vm.h>
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#include <vm/pmap.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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static void
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mfi_print_frame_flags(device_t dev, uint32_t flags)
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{
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device_printf(dev, "flags=%b\n", flags,
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"\20"
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"\1NOPOST"
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"\2SGL64"
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"\3SENSE64"
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"\4WRITE"
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"\5READ");
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}
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static void
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mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
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{
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int i, columns = 0;
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printf("SG List:\n");
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for (i = 0; i < count; i++) {
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if (hdr->flags & MFI_FRAME_SGL64) {
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printf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
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sgl->sg64[i].len);
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columns += 26;
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if (columns > 77) {
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printf("\n");
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columns = 0;
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}
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} else {
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printf("0x%x:%06d ", sgl->sg32[i].addr,
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sgl->sg32[i].len);
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columns += 18;
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if (columns > 71) {
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printf("\n");
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columns = 0;
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}
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}
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}
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if (columns != 0)
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printf("\n");
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}
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static void
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mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
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{
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struct mfi_io_frame *io;
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struct mfi_frame_header *hdr;
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io = &cm->cm_frame->io;
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hdr = &io->header;
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device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
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"lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
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hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
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mfi_print_frame_flags(dev, hdr->flags);
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mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
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}
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static void
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mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
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{
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struct mfi_dcmd_frame *dcmd;
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struct mfi_frame_header *hdr;
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const char *opcode;
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dcmd = &cm->cm_frame->dcmd;
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hdr = &dcmd->header;
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switch (dcmd->opcode) {
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case MFI_DCMD_CTRL_GETINFO:
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opcode = "CTRL_GETINFO";
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break;
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case MFI_DCMD_CTRL_FLUSHCACHE:
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opcode = "CTRL_FLUSHCACHE";
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break;
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case MFI_DCMD_CTRL_SHUTDOWN:
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opcode = "CTRL_SHUTDOWN";
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break;
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case MFI_DCMD_CTRL_EVENT_GETINFO:
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opcode = "EVENT_GETINFO";
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break;
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case MFI_DCMD_CTRL_EVENT_GET:
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opcode = "EVENT_GET";
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break;
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case MFI_DCMD_CTRL_EVENT_WAIT:
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opcode = "EVENT_WAIT";
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break;
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case MFI_DCMD_LD_GET_LIST:
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opcode = "LD_GET_LIST";
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break;
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case MFI_DCMD_LD_GET_INFO:
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opcode = "LD_GET_INFO";
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break;
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case MFI_DCMD_LD_GET_PROP:
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opcode = "LD_GET_PROP";
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break;
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case MFI_DCMD_LD_SET_PROP:
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opcode = "LD_SET_PROP";
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break;
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case MFI_DCMD_CLUSTER:
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opcode = "CLUSTER";
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break;
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case MFI_DCMD_CLUSTER_RESET_ALL:
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opcode = "CLUSTER_RESET_ALL";
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break;
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case MFI_DCMD_CLUSTER_RESET_LD:
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opcode = "CLUSTER_RESET_LD";
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break;
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default:
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opcode = "UNKNOWN";
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break;
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}
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device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
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opcode, hdr->data_len);
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mfi_print_frame_flags(dev, hdr->flags);
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mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
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}
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static void
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mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
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{
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hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
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}
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void
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mfi_print_cmd(struct mfi_command *cm)
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{
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device_t dev;
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struct mfi_softc *sc;
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sc = cm->cm_sc;
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dev = sc->mfi_dev;
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device_printf(dev, "cm=%p index=%d total_frame_size=%d "
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"extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
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cm->cm_extra_frames);
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device_printf(dev, "flags=%b\n", cm->cm_flags,
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"\20"
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"\1MAPPED"
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"\2DATAIN"
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"\3DATAOUT"
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"\4COMPLETED"
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"\5POLLED"
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"\6Q_FREE"
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"\7Q_READY"
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"\10Q_BUSY");
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switch (cm->cm_frame->header.cmd) {
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case MFI_CMD_DCMD:
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mfi_print_dcmd(sc, dev, cm);
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break;
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case MFI_CMD_LD_READ:
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case MFI_CMD_LD_WRITE:
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mfi_print_ldio(sc, dev, cm);
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break;
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default:
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mfi_print_generic_frame(sc, cm);
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break;
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}
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return;
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}
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void
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mfi_dump_cmds(struct mfi_softc *sc)
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{
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int i;
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for (i = 0; i < sc->mfi_total_cmds; i++)
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mfi_print_generic_frame(sc, &sc->mfi_commands[i]);
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}
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void
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mfi_validate_sg(struct mfi_softc *sc, struct mfi_command *cm,
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const char *function, int line)
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{
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struct mfi_frame_header *hdr;
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int i;
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uint32_t count = 0, data_len;
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hdr = &cm->cm_frame->header;
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count = 0;
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for (i = 0; i < hdr->sg_count; i++) {
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count += cm->cm_sg->sg32[i].len;
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}
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/*
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count++;
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*/
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data_len = hdr->data_len;
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switch (hdr->cmd) {
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case MFI_CMD_LD_READ:
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case MFI_CMD_LD_WRITE:
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data_len = data_len * 512;
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case MFI_CMD_DCMD:
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if (count != data_len) {
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device_printf(sc->mfi_dev,
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"%s %d COMMAND %p S/G count bad %d %d %d 0x%jx\n",
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function, line, cm, count, data_len, cm->cm_len,
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(intmax_t)pmap_kextract((vm_offset_t)cm->cm_data));
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MFI_PRINT_CMD(cm);
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}
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}
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}
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#endif
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