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NetBSD/sys/dev/ic/aac.c

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/* $NetBSD: aac.c,v 1.4 2002/09/27 03:18:11 thorpej Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*-
* Copyright (c) 2001 Scott Long
* Copyright (c) 2001 Adaptec, Inc.
* Copyright (c) 2000 Michael Smith
* Copyright (c) 2000 BSDi
* Copyright (c) 2000 Niklas Hallqvist
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Driver for the Adaptec 'FSA' family of PCI/SCSI RAID adapters.
*
* TODO:
*
* o Management interface.
* o Look again at some of the portability issues.
* o Handle various AIFs (e.g., notification that a container is going away).
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: aac.c,v 1.4 2002/09/27 03:18:11 thorpej Exp $");
#include "locators.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/device.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <uvm/uvm_extern.h>
#include <dev/ic/aacreg.h>
#include <dev/ic/aacvar.h>
#include <dev/ic/aac_tables.h>
int aac_check_firmware(struct aac_softc *);
void aac_describe_controller(struct aac_softc *);
int aac_dequeue_fib(struct aac_softc *, int, u_int32_t *,
struct aac_fib **);
int aac_enqueue_fib(struct aac_softc *, int, struct aac_fib *);
void aac_host_command(struct aac_softc *);
void aac_host_response(struct aac_softc *);
int aac_init(struct aac_softc *);
int aac_print(void *, const char *);
void aac_shutdown(void *);
void aac_startup(struct aac_softc *);
int aac_sync_command(struct aac_softc *, u_int32_t, u_int32_t,
u_int32_t, u_int32_t, u_int32_t, u_int32_t *);
int aac_sync_fib(struct aac_softc *, u_int32_t, u_int32_t, void *,
u_int16_t, void *, u_int16_t *);
int aac_submatch(struct device *, struct cfdata *, void *);
#ifdef AAC_DEBUG
void aac_print_fib(struct aac_softc *, struct aac_fib *, char *);
#endif
/*
* Adapter-space FIB queue manipulation.
*
* Note that the queue implementation here is a little funky; neither the PI or
* CI will ever be zero. This behaviour is a controller feature.
*/
static struct {
int size;
int notify;
} const aac_qinfo[] = {
{ AAC_HOST_NORM_CMD_ENTRIES, AAC_DB_COMMAND_NOT_FULL },
{ AAC_HOST_HIGH_CMD_ENTRIES, 0 },
{ AAC_ADAP_NORM_CMD_ENTRIES, AAC_DB_COMMAND_READY },
{ AAC_ADAP_HIGH_CMD_ENTRIES, 0 },
{ AAC_HOST_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_NOT_FULL },
{ AAC_HOST_HIGH_RESP_ENTRIES, 0 },
{ AAC_ADAP_NORM_RESP_ENTRIES, AAC_DB_RESPONSE_READY },
{ AAC_ADAP_HIGH_RESP_ENTRIES, 0 }
};
#ifdef AAC_DEBUG
int aac_debug = AAC_DEBUG;
#endif
void *aac_sdh;
extern struct cfdriver aac_cd;
int
aac_attach(struct aac_softc *sc)
{
struct aac_attach_args aaca;
int nsegs, i, rv, state, size;
struct aac_ccb *ac;
struct aac_fib *fib;
bus_addr_t fibpa;
SIMPLEQ_INIT(&sc->sc_ccb_free);
SIMPLEQ_INIT(&sc->sc_ccb_queue);
SIMPLEQ_INIT(&sc->sc_ccb_complete);
/*
* Disable interrupts before we do anything.
*/
AAC_MASK_INTERRUPTS(sc);
/*
* Initialise the adapter.
*/
if (aac_check_firmware(sc))
return (EINVAL);
if ((rv = aac_init(sc)) != 0)
return (rv);
aac_startup(sc);
/*
* Print a little information about the controller.
*/
aac_describe_controller(sc);
/*
* Initialize the ccbs.
*/
sc->sc_ccbs = malloc(sizeof(*ac) * AAC_NCCBS, M_DEVBUF,
M_NOWAIT | M_ZERO);
if (sc->sc_ccbs == NULL) {
printf("%s: memory allocation failure\n", sc->sc_dv.dv_xname);
return (ENOMEM);
}
state = 0;
size = sizeof(*fib) * AAC_NCCBS;
if ((rv = bus_dmamap_create(sc->sc_dmat, size, 1, size,
0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &sc->sc_fibs_dmamap)) != 0) {
printf("%s: cannot create fibs dmamap\n",
sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
if ((rv = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0,
&sc->sc_fibs_seg, 1, &nsegs, BUS_DMA_NOWAIT)) != 0) {
printf("%s: can't allocate fibs structure\n",
sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
if ((rv = bus_dmamem_map(sc->sc_dmat, &sc->sc_fibs_seg, nsegs, size,
(caddr_t *)&sc->sc_fibs, 0)) != 0) {
printf("%s: can't map fibs structure\n",
sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
if ((rv = bus_dmamap_load(sc->sc_dmat, sc->sc_fibs_dmamap, sc->sc_fibs,
size, NULL, BUS_DMA_NOWAIT)) != 0) {
printf("%s: cannot load fibs dmamap\n", sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
memset(sc->sc_fibs, 0, size);
fibpa = sc->sc_fibs_seg.ds_addr;
fib = sc->sc_fibs;
for (i = 0, ac = sc->sc_ccbs; i < AAC_NCCBS; i++, ac++) {
rv = bus_dmamap_create(sc->sc_dmat, AAC_MAX_XFER,
AAC_MAX_SGENTRIES, AAC_MAX_XFER, 0,
BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &ac->ac_dmamap_xfer);
if (rv) {
while (--ac >= sc->sc_ccbs)
bus_dmamap_destroy(sc->sc_dmat,
ac->ac_dmamap_xfer);
printf("%s: cannot create ccb dmamap (%d)",
sc->sc_dv.dv_xname, rv);
goto bail_out;
}
ac->ac_fib = fib++;
ac->ac_fibphys = fibpa;
fibpa += sizeof(*fib);
aac_ccb_free(sc, ac);
}
/*
* Attach devices.
*/
for (i = 0; i < AAC_MAX_CONTAINERS; i++) {
if (!sc->sc_hdr[i].hd_present)
continue;
aaca.aaca_unit = i;
config_found_sm(&sc->sc_dv, &aaca, aac_print, aac_submatch);
}
/*
* Enable interrupts, and register our shutdown hook.
*/
sc->sc_flags |= AAC_ONLINE;
AAC_UNMASK_INTERRUPTS(sc);
if (aac_sdh != NULL)
shutdownhook_establish(aac_shutdown, NULL);
return (0);
bail_out:
bus_dmamap_unload(sc->sc_dmat, sc->sc_common_dmamap);
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_common,
sizeof(*sc->sc_common));
bus_dmamem_free(sc->sc_dmat, &sc->sc_common_seg, 1);
bus_dmamap_destroy(sc->sc_dmat, sc->sc_common_dmamap);
if (state > 3)
bus_dmamap_unload(sc->sc_dmat, sc->sc_fibs_dmamap);
if (state > 2)
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_fibs, size);
if (state > 1)
bus_dmamem_free(sc->sc_dmat, &sc->sc_fibs_seg, 1);
if (state > 0)
bus_dmamap_destroy(sc->sc_dmat, sc->sc_fibs_dmamap);
free(sc->sc_ccbs, M_DEVBUF);
return (rv);
}
/*
* Print autoconfiguration message for a sub-device.
*/
int
aac_print(void *aux, const char *pnp)
{
struct aac_attach_args *aaca;
aaca = aux;
if (pnp != NULL)
printf("block device at %s", pnp);
printf(" unit %d", aaca->aaca_unit);
return (UNCONF);
}
/*
* Match a sub-device.
*/
int
aac_submatch(struct device *parent, struct cfdata *cf, void *aux)
{
struct aac_attach_args *aaca;
aaca = aux;
if (cf->aaccf_unit != AACCF_UNIT_DEFAULT &&
cf->aaccf_unit != aaca->aaca_unit)
return (0);
return (config_match(parent, cf, aux));
}
/*
* Look up a text description of a numeric error code and return a pointer to
* same.
*/
const char *
aac_describe_code(const struct aac_code_lookup *table, u_int32_t code)
{
int i;
for (i = 0; table[i].string != NULL; i++)
if (table[i].code == code)
return (table[i].string);
return (table[i + 1].string);
}
void
aac_describe_controller(struct aac_softc *sc)
{
u_int8_t buf[AAC_FIB_DATASIZE];
u_int16_t bufsize;
struct aac_adapter_info *info;
u_int8_t arg;
arg = 0;
if (aac_sync_fib(sc, RequestAdapterInfo, 0, &arg, sizeof(arg), &buf,
&bufsize)) {
printf("%s: RequestAdapterInfo failed\n", sc->sc_dv.dv_xname);
return;
}
if (bufsize != sizeof(*info)) {
printf("%s: "
"RequestAdapterInfo returned wrong data size (%d != %d)\n",
sc->sc_dv.dv_xname, bufsize, sizeof(*info));
return;
}
info = (struct aac_adapter_info *)&buf[0];
printf("%s: %s at %dMHz, %dMB cache, %s, kernel %d.%d-%d\n",
sc->sc_dv.dv_xname,
aac_describe_code(aac_cpu_variant, le32toh(info->CpuVariant)),
le32toh(info->ClockSpeed),
le32toh(info->BufferMem) / (1024 * 1024),
aac_describe_code(aac_battery_platform,
le32toh(info->batteryPlatform)),
info->KernelRevision.external.comp.major,
info->KernelRevision.external.comp.minor,
info->KernelRevision.external.comp.dash);
/* Save the kernel revision structure for later use. */
sc->sc_revision = info->KernelRevision;
}
/*
* Retrieve the firmware version numbers. Dell PERC2/QC cards with firmware
* version 1.x are not compatible with this driver.
*/
int
aac_check_firmware(struct aac_softc *sc)
{
u_int32_t major, minor;
if ((sc->sc_quirks & AAC_QUIRK_PERC2QC) != 0) {
if (aac_sync_command(sc, AAC_MONKER_GETKERNVER, 0, 0, 0, 0,
NULL)) {
printf("%s: error reading firmware version\n",
sc->sc_dv.dv_xname);
return (1);
}
/* These numbers are stored as ASCII! */
major = (AAC_GETREG4(sc, AAC_SA_MAILBOX + 4) & 0xff) - 0x30;
minor = (AAC_GETREG4(sc, AAC_SA_MAILBOX + 8) & 0xff) - 0x30;
if (major == 1) {
printf("%s: firmware version %d.%d not supported.\n",
sc->sc_dv.dv_xname, major, minor);
return (1);
}
}
return (0);
}
int
aac_init(struct aac_softc *sc)
{
int nsegs, i, rv, state, norm, high;
struct aac_adapter_init *ip;
u_int32_t code;
u_int8_t *qaddr;
state = 0;
/*
* First wait for the adapter to come ready.
*/
for (i = 0; i < AAC_BOOT_TIMEOUT * 1000; i++) {
code = AAC_GET_FWSTATUS(sc);
if ((code & AAC_SELF_TEST_FAILED) != 0) {
printf("%s: FATAL: selftest failed\n",
sc->sc_dv.dv_xname);
return (ENXIO);
}
if ((code & AAC_KERNEL_PANIC) != 0) {
printf("%s: FATAL: controller kernel panic\n",
sc->sc_dv.dv_xname);
return (ENXIO);
}
if ((code & AAC_UP_AND_RUNNING) != 0)
break;
DELAY(1000);
}
if (i == AAC_BOOT_TIMEOUT * 1000) {
printf("%s: FATAL: controller not coming ready, status %x\n",
sc->sc_dv.dv_xname, code);
return (ENXIO);
}
if ((rv = bus_dmamap_create(sc->sc_dmat, sizeof(*sc->sc_common), 1,
sizeof(*sc->sc_common), 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW,
&sc->sc_common_dmamap)) != 0) {
printf("%s: cannot create common dmamap\n",
sc->sc_dv.dv_xname);
return (rv);
}
if ((rv = bus_dmamem_alloc(sc->sc_dmat, sizeof(*sc->sc_common),
PAGE_SIZE, 0, &sc->sc_common_seg, 1, &nsegs,
BUS_DMA_NOWAIT)) != 0) {
printf("%s: can't allocate common structure\n",
sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
if ((rv = bus_dmamem_map(sc->sc_dmat, &sc->sc_common_seg, nsegs,
sizeof(*sc->sc_common), (caddr_t *)&sc->sc_common, 0)) != 0) {
printf("%s: can't map common structure\n",
sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
if ((rv = bus_dmamap_load(sc->sc_dmat, sc->sc_common_dmamap,
sc->sc_common, sizeof(*sc->sc_common), NULL,
BUS_DMA_NOWAIT)) != 0) {
printf("%s: cannot load common dmamap\n", sc->sc_dv.dv_xname);
goto bail_out;
}
state++;
memset(sc->sc_common, 0, sizeof(*sc->sc_common));
/*
* Fill in the init structure. This tells the adapter about the
* physical location of various important shared data structures.
*/
ip = &sc->sc_common->ac_init;
ip->InitStructRevision = htole32(AAC_INIT_STRUCT_REVISION);
ip->AdapterFibsPhysicalAddress = htole32(sc->sc_common_seg.ds_addr +
offsetof(struct aac_common, ac_fibs));
ip->AdapterFibsVirtualAddress = htole32(&sc->sc_common->ac_fibs[0]);
ip->AdapterFibsSize =
htole32(AAC_ADAPTER_FIBS * sizeof(struct aac_fib));
ip->AdapterFibAlign = htole32(sizeof(struct aac_fib));
ip->PrintfBufferAddress = htole32(sc->sc_common_seg.ds_addr +
offsetof(struct aac_common, ac_printf));
ip->PrintfBufferSize = htole32(AAC_PRINTF_BUFSIZE);
ip->HostPhysMemPages = 0; /* not used? */
ip->HostElapsedSeconds = 0; /* reset later if invalid */
/*
* Initialise FIB queues. Note that it appears that the layout of
* the indexes and the segmentation of the entries is mandated by
* the adapter, which is only told about the base of the queue index
* fields.
*
* The initial values of the indices are assumed to inform the
* adapter of the sizes of the respective queues.
*
* The Linux driver uses a much more complex scheme whereby several
* header records are kept for each queue. We use a couple of
* generic list manipulation functions which 'know' the size of each
* list by virtue of a table.
*/
qaddr = &sc->sc_common->ac_qbuf[0] + AAC_QUEUE_ALIGN;
qaddr -= (u_int32_t)qaddr % AAC_QUEUE_ALIGN; /* XXX not portable */
sc->sc_queues = (struct aac_queue_table *)qaddr;
ip->CommHeaderAddress = htole32(sc->sc_common_seg.ds_addr +
((caddr_t)sc->sc_queues - (caddr_t)sc->sc_common));
memset(sc->sc_queues, 0, sizeof(struct aac_queue_table));
norm = htole32(AAC_HOST_NORM_CMD_ENTRIES);
high = htole32(AAC_HOST_HIGH_CMD_ENTRIES);
sc->sc_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
norm;
sc->sc_queues->qt_qindex[AAC_HOST_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
norm;
sc->sc_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
high;
sc->sc_queues->qt_qindex[AAC_HOST_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
high;
norm = htole32(AAC_ADAP_NORM_CMD_ENTRIES);
high = htole32(AAC_ADAP_HIGH_CMD_ENTRIES);
sc->sc_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_PRODUCER_INDEX] =
norm;
sc->sc_queues->qt_qindex[AAC_ADAP_NORM_CMD_QUEUE][AAC_CONSUMER_INDEX] =
norm;
sc->sc_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_PRODUCER_INDEX] =
high;
sc->sc_queues->qt_qindex[AAC_ADAP_HIGH_CMD_QUEUE][AAC_CONSUMER_INDEX] =
high;
norm = htole32(AAC_HOST_NORM_RESP_ENTRIES);
high = htole32(AAC_HOST_HIGH_RESP_ENTRIES);
sc->sc_queues->
qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX] = norm;
sc->sc_queues->
qt_qindex[AAC_HOST_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX] = norm;
sc->sc_queues->
qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX] = high;
sc->sc_queues->
qt_qindex[AAC_HOST_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX] = high;
norm = htole32(AAC_ADAP_NORM_RESP_ENTRIES);
high = htole32(AAC_ADAP_HIGH_RESP_ENTRIES);
sc->sc_queues->
qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_PRODUCER_INDEX] = norm;
sc->sc_queues->
qt_qindex[AAC_ADAP_NORM_RESP_QUEUE][AAC_CONSUMER_INDEX] = norm;
sc->sc_queues->
qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_PRODUCER_INDEX] = high;
sc->sc_queues->
qt_qindex[AAC_ADAP_HIGH_RESP_QUEUE][AAC_CONSUMER_INDEX] = high;
sc->sc_qentries[AAC_HOST_NORM_CMD_QUEUE] =
&sc->sc_queues->qt_HostNormCmdQueue[0];
sc->sc_qentries[AAC_HOST_HIGH_CMD_QUEUE] =
&sc->sc_queues->qt_HostHighCmdQueue[0];
sc->sc_qentries[AAC_ADAP_NORM_CMD_QUEUE] =
&sc->sc_queues->qt_AdapNormCmdQueue[0];
sc->sc_qentries[AAC_ADAP_HIGH_CMD_QUEUE] =
&sc->sc_queues->qt_AdapHighCmdQueue[0];
sc->sc_qentries[AAC_HOST_NORM_RESP_QUEUE] =
&sc->sc_queues->qt_HostNormRespQueue[0];
sc->sc_qentries[AAC_HOST_HIGH_RESP_QUEUE] =
&sc->sc_queues->qt_HostHighRespQueue[0];
sc->sc_qentries[AAC_ADAP_NORM_RESP_QUEUE] =
&sc->sc_queues->qt_AdapNormRespQueue[0];
sc->sc_qentries[AAC_ADAP_HIGH_RESP_QUEUE] =
&sc->sc_queues->qt_AdapHighRespQueue[0];
/*
* Do controller-type-specific initialisation
*/
switch (sc->sc_hwif) {
case AAC_HWIF_I960RX:
AAC_SETREG4(sc, AAC_RX_ODBR, ~0);
break;
}
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap, 0,
sizeof(*sc->sc_common),
BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
/*
* Give the init structure to the controller.
*/
if (aac_sync_command(sc, AAC_MONKER_INITSTRUCT,
sc->sc_common_seg.ds_addr + offsetof(struct aac_common, ac_init),
0, 0, 0, NULL)) {
printf("%s: error establishing init structure\n",
sc->sc_dv.dv_xname);
rv = EIO;
goto bail_out;
}
return (0);
bail_out:
if (state > 2)
bus_dmamap_unload(sc->sc_dmat, sc->sc_common_dmamap);
if (state > 1)
bus_dmamem_unmap(sc->sc_dmat, (caddr_t)sc->sc_common,
sizeof(*sc->sc_common));
if (state > 0)
bus_dmamem_free(sc->sc_dmat, &sc->sc_common_seg, 1);
bus_dmamap_destroy(sc->sc_dmat, sc->sc_common_dmamap);
return (rv);
}
/*
* Probe for containers, create disks.
*/
void
aac_startup(struct aac_softc *sc)
{
struct aac_mntinfo mi;
struct aac_mntinforesponse mir;
struct aac_drive *hd;
u_int16_t rsize;
int i;
/*
* Loop over possible containers.
*/
mi.Command = htole32(VM_NameServe);
mi.MntType = htole32(FT_FILESYS);
hd = sc->sc_hdr;
for (i = 0; i < AAC_MAX_CONTAINERS; i++, hd++) {
/*
* Request information on this container.
*/
mi.MntCount = htole32(i);
if (aac_sync_fib(sc, ContainerCommand, 0, &mi, sizeof(mi), &mir,
&rsize)) {
printf("%s: error probing container %d\n",
sc->sc_dv.dv_xname, i);
continue;
}
if (rsize != sizeof(mir)) {
printf("%s: container info response wrong size "
"(%d should be %d)\n",
sc->sc_dv.dv_xname, rsize, sizeof(mir));
continue;
}
/*
* Check container volume type for validity. Note that many
* of the possible types may never show up.
*/
if (le32toh(mir.Status) != ST_OK ||
le32toh(mir.MntTable[0].VolType) == CT_NONE)
continue;
hd->hd_present = 1;
hd->hd_size = le32toh(mir.MntTable[0].Capacity);
hd->hd_devtype = le32toh(mir.MntTable[0].VolType);
hd->hd_size &= ~0x1f;
sc->sc_nunits++;
}
}
void
aac_shutdown(void *cookie)
{
struct aac_softc *sc;
struct aac_close_command cc;
u_int32_t i;
for (i = 0; i < aac_cd.cd_ndevs; i++) {
if ((sc = device_lookup(&aac_cd, i)) == NULL)
continue;
if ((sc->sc_flags & AAC_ONLINE) == 0)
continue;
AAC_MASK_INTERRUPTS(sc);
/*
* Send a Container shutdown followed by a HostShutdown FIB
* to the controller to convince it that we don't want to
* talk to it anymore. We've been closed and all I/O
* completed already
*/
cc.Command = htole32(VM_CloseAll);
cc.ContainerId = 0xffffffff;
if (aac_sync_fib(sc, ContainerCommand, 0, &cc, sizeof(cc),
NULL, NULL)) {
printf("%s: unable to halt controller\n",
sc->sc_dv.dv_xname);
continue;
}
/*
* Note that issuing this command to the controller makes it
* shut down but also keeps it from coming back up without a
* reset of the PCI bus.
*/
if (aac_sync_fib(sc, FsaHostShutdown, AAC_FIBSTATE_SHUTDOWN,
&i, sizeof(i), NULL, NULL))
printf("%s: unable to halt controller\n",
sc->sc_dv.dv_xname);
}
}
/*
* Take an interrupt.
*/
int
aac_intr(void *cookie)
{
struct aac_softc *sc;
u_int16_t reason;
int claimed;
sc = cookie;
claimed = 0;
AAC_DPRINTF(AAC_D_INTR, ("aac_intr(%p) ", sc));
reason = AAC_GET_ISTATUS(sc);
AAC_DPRINTF(AAC_D_INTR, ("istatus 0x%04x ", reason));
/*
* Controller wants to talk to the log. XXX Should we defer this?
*/
if ((reason & AAC_DB_PRINTF) != 0) {
if (sc->sc_common->ac_printf[0] != '\0') {
printf("%s: WARNING: adapter logged message:\n",
sc->sc_dv.dv_xname);
printf("%s: %.*s", sc->sc_dv.dv_xname,
AAC_PRINTF_BUFSIZE, sc->sc_common->ac_printf);
sc->sc_common->ac_printf[0] = '\0';
}
AAC_CLEAR_ISTATUS(sc, AAC_DB_PRINTF);
AAC_QNOTIFY(sc, AAC_DB_PRINTF);
claimed = 1;
}
/*
* Controller has a message for us?
*/
if ((reason & AAC_DB_COMMAND_READY) != 0) {
aac_host_command(sc);
AAC_CLEAR_ISTATUS(sc, AAC_DB_COMMAND_READY);
claimed = 1;
}
/*
* Controller has a response for us?
*/
if ((reason & AAC_DB_RESPONSE_READY) != 0) {
aac_host_response(sc);
AAC_CLEAR_ISTATUS(sc, AAC_DB_RESPONSE_READY);
claimed = 1;
}
/*
* Spurious interrupts that we don't use - reset the mask and clear
* the interrupts.
*/
if ((reason & (AAC_DB_SYNC_COMMAND | AAC_DB_COMMAND_NOT_FULL |
AAC_DB_RESPONSE_NOT_FULL)) != 0) {
AAC_UNMASK_INTERRUPTS(sc);
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND |
AAC_DB_COMMAND_NOT_FULL | AAC_DB_RESPONSE_NOT_FULL);
claimed = 1;
}
return (claimed);
}
/*
* Handle notification of one or more FIBs coming from the controller.
*/
void
aac_host_command(struct aac_softc *sc)
{
struct aac_fib *fib;
u_int32_t fib_size;
for (;;) {
if (aac_dequeue_fib(sc, AAC_HOST_NORM_CMD_QUEUE, &fib_size,
&fib))
break; /* nothing to do */
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
BUS_DMASYNC_POSTREAD);
switch (le16toh(fib->Header.Command)) {
case AifRequest:
#ifdef notyet
aac_handle_aif(sc,
(struct aac_aif_command *)&fib->data[0]);
#endif
break;
default:
printf("%s: unknown command from controller\n",
sc->sc_dv.dv_xname);
AAC_PRINT_FIB(sc, fib);
break;
}
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
BUS_DMASYNC_PREREAD);
/* XXX reply to FIBs requesting responses ?? */
/* XXX how do we return these FIBs to the controller? */
}
}
/*
* Handle notification of one or more FIBs completed by the controller
*/
void
aac_host_response(struct aac_softc *sc)
{
struct aac_ccb *ac;
struct aac_fib *fib;
u_int32_t fib_size;
/*
* Look for completed FIBs on our queue.
*/
for (;;) {
if (aac_dequeue_fib(sc, AAC_HOST_NORM_RESP_QUEUE, &fib_size,
&fib))
break; /* nothing to do */
bus_dmamap_sync(sc->sc_dmat, sc->sc_fibs_dmamap,
(caddr_t)fib - (caddr_t)sc->sc_fibs, sizeof(*fib),
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
if ((fib->Header.SenderData & 0x80000000) == 0) {
/* Not valid; not sent by us. */
AAC_PRINT_FIB(sc, fib);
} else {
ac = (struct aac_ccb *)((caddr_t)sc->sc_ccbs +
(fib->Header.SenderData & 0x7fffffff));
fib->Header.SenderData = 0;
SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_complete, ac, ac_chain);
}
}
/*
* Deal with any completed commands.
*/
while ((ac = SIMPLEQ_FIRST(&sc->sc_ccb_complete)) != NULL) {
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_complete, ac_chain);
ac->ac_flags |= AAC_CCB_COMPLETED;
if (ac->ac_intr != NULL)
(*ac->ac_intr)(ac);
}
/*
* Try to submit more commands.
*/
if (! SIMPLEQ_EMPTY(&sc->sc_ccb_queue))
aac_ccb_enqueue(sc, NULL);
}
/*
* Send a synchronous command to the controller and wait for a result.
*/
int
aac_sync_command(struct aac_softc *sc, u_int32_t command, u_int32_t arg0,
u_int32_t arg1, u_int32_t arg2, u_int32_t arg3, u_int32_t *sp)
{
int i;
u_int32_t status;
int s;
s = splbio();
/* Populate the mailbox. */
AAC_SET_MAILBOX(sc, command, arg0, arg1, arg2, arg3);
/* Ensure the sync command doorbell flag is cleared. */
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
/* ... then set it to signal the adapter. */
AAC_QNOTIFY(sc, AAC_DB_SYNC_COMMAND);
DELAY(AAC_SYNC_DELAY);
/* Spin waiting for the command to complete. */
for (i = 0; i < AAC_IMMEDIATE_TIMEOUT * 1000; i++) {
if (AAC_GET_ISTATUS(sc) & AAC_DB_SYNC_COMMAND);
break;
DELAY(1000);
}
if (i == AAC_IMMEDIATE_TIMEOUT * 1000) {
splx(s);
return (EIO);
}
/* Clear the completion flag. */
AAC_CLEAR_ISTATUS(sc, AAC_DB_SYNC_COMMAND);
/* Get the command status. */
status = AAC_GET_MAILBOXSTATUS(sc);
splx(s);
if (sp != NULL)
*sp = status;
return (0); /* XXX Check command return status? */
}
/*
* Send a synchronous FIB to the controller and wait for a result.
*/
int
aac_sync_fib(struct aac_softc *sc, u_int32_t command, u_int32_t xferstate,
void *data, u_int16_t datasize, void *result,
u_int16_t *resultsize)
{
struct aac_fib *fib;
u_int32_t fibpa, status;
fib = &sc->sc_common->ac_sync_fib;
fibpa = sc->sc_common_seg.ds_addr +
offsetof(struct aac_common, ac_sync_fib);
if (datasize > AAC_FIB_DATASIZE)
return (EINVAL);
/*
* Set up the sync FIB.
*/
fib->Header.XferState = htole32(AAC_FIBSTATE_HOSTOWNED |
AAC_FIBSTATE_INITIALISED | AAC_FIBSTATE_EMPTY | xferstate);
fib->Header.Command = htole16(command);
fib->Header.StructType = AAC_FIBTYPE_TFIB;
fib->Header.Size = htole16(sizeof(*fib) + datasize);
fib->Header.SenderSize = htole16(sizeof(*fib));
fib->Header.SenderFibAddress = htole32((u_int32_t)fib); /* XXX */
fib->Header.ReceiverFibAddress = htole32(fibpa);
/*
* Copy in data.
*/
if (data != NULL) {
memcpy(fib->data, data, datasize);
fib->Header.XferState |=
htole32(AAC_FIBSTATE_FROMHOST | AAC_FIBSTATE_NORM);
}
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
/*
* Give the FIB to the controller, wait for a response.
*/
if (aac_sync_command(sc, AAC_MONKER_SYNCFIB, fibpa, 0, 0, 0, &status))
return (EIO);
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)fib - (caddr_t)sc->sc_common, sizeof(*fib),
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
/*
* Copy out the result
*/
if (result != NULL) {
*resultsize = le16toh(fib->Header.Size) - sizeof(fib->Header);
memcpy(result, fib->data, *resultsize);
}
return (0);
}
struct aac_ccb *
aac_ccb_alloc(struct aac_softc *sc, int flags)
{
struct aac_ccb *ac;
int s;
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_alloc(%p, 0x%x) ", sc, flags));
s = splbio();
ac = SIMPLEQ_FIRST(&sc->sc_ccb_free);
#ifdef DIAGNOSTIC
if (ac == NULL)
panic("aac_ccb_get: no free CCBS");
#endif
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_free, ac_chain);
splx(s);
ac->ac_flags = flags;
return (ac);
}
void
aac_ccb_free(struct aac_softc *sc, struct aac_ccb *ac)
{
int s;
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_free(%p, %p) ", sc, ac));
ac->ac_flags = 0;
ac->ac_intr = NULL;
ac->ac_fib->Header.XferState = htole32(AAC_FIBSTATE_EMPTY);
ac->ac_fib->Header.StructType = AAC_FIBTYPE_TFIB;
ac->ac_fib->Header.Flags = 0;
ac->ac_fib->Header.SenderSize = htole16(sizeof(*ac->ac_fib));
#ifdef AAC_DEBUG
/*
* These are duplicated in aac_ccb_submit() to cover the case where
* an intermediate stage may have destroyed them. They're left
* initialised here for debugging purposes only.
*/
ac->ac_fib->Header.SenderFibAddress = htole32((u_int32_t)ac->ac_fib);
ac->ac_fib->Header.ReceiverFibAddress = htole32(ac->ac_fibphys);
#endif
s = splbio();
SIMPLEQ_INSERT_HEAD(&sc->sc_ccb_free, ac, ac_chain);
splx(s);
}
int
aac_ccb_map(struct aac_softc *sc, struct aac_ccb *ac)
{
int error;
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_map(%p, %p) ", sc, ac));
#ifdef DIAGNOSTIC
if ((ac->ac_flags & AAC_CCB_MAPPED) != 0)
panic("aac_ccb_map: already mapped");
#endif
error = bus_dmamap_load(sc->sc_dmat, ac->ac_dmamap_xfer, ac->ac_data,
ac->ac_datalen, NULL, BUS_DMA_NOWAIT | BUS_DMA_STREAMING |
((ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMA_READ : BUS_DMA_WRITE));
if (error) {
printf("%s: aac_ccb_map: ", sc->sc_dv.dv_xname);
if (error == EFBIG)
printf("more than %d dma segs\n", AAC_MAX_SGENTRIES);
else
printf("error %d loading dma map\n", error);
return (error);
}
bus_dmamap_sync(sc->sc_dmat, ac->ac_dmamap_xfer, 0, ac->ac_datalen,
(ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMASYNC_PREREAD :
BUS_DMASYNC_PREWRITE);
#ifdef DIAGNOSTIC
ac->ac_flags |= AAC_CCB_MAPPED;
#endif
return (0);
}
void
aac_ccb_unmap(struct aac_softc *sc, struct aac_ccb *ac)
{
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_unmap(%p, %p) ", sc, ac));
#ifdef DIAGNOSTIC
if ((ac->ac_flags & AAC_CCB_MAPPED) == 0)
panic("aac_ccb_unmap: not mapped");
#endif
bus_dmamap_sync(sc->sc_dmat, ac->ac_dmamap_xfer, 0, ac->ac_datalen,
(ac->ac_flags & AAC_CCB_DATA_IN) ? BUS_DMASYNC_POSTREAD :
BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(sc->sc_dmat, ac->ac_dmamap_xfer);
#ifdef DIAGNOSTIC
ac->ac_flags &= ~AAC_CCB_MAPPED;
#endif
}
void
aac_ccb_enqueue(struct aac_softc *sc, struct aac_ccb *ac)
{
int s;
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_enqueue(%p, %p) ", sc, ac));
s = splbio();
if (ac != NULL)
SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_queue, ac, ac_chain);
while ((ac = SIMPLEQ_FIRST(&sc->sc_ccb_queue)) != NULL) {
if (aac_ccb_submit(sc, ac))
break;
SIMPLEQ_REMOVE_HEAD(&sc->sc_ccb_queue, ac_chain);
}
splx(s);
}
int
aac_ccb_submit(struct aac_softc *sc, struct aac_ccb *ac)
{
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_submit(%p, %p) ", sc, ac));
/* Fix up the address values. */
ac->ac_fib->Header.SenderFibAddress = htole32((u_int32_t)ac->ac_fib);
ac->ac_fib->Header.ReceiverFibAddress = htole32(ac->ac_fibphys);
/* Save a pointer to the command for speedy reverse-lookup. */
ac->ac_fib->Header.SenderData =
(u_int32_t)((caddr_t)ac - (caddr_t)sc->sc_ccbs) | 0x80000000;
bus_dmamap_sync(sc->sc_dmat, sc->sc_fibs_dmamap,
(caddr_t)ac->ac_fib - (caddr_t)sc->sc_fibs, sizeof(*ac->ac_fib),
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
/* Put the FIB on the outbound queue. */
return (aac_enqueue_fib(sc, AAC_ADAP_NORM_CMD_QUEUE, ac->ac_fib));
}
int
aac_ccb_poll(struct aac_softc *sc, struct aac_ccb *ac, int timo)
{
int rv, s;
AAC_DPRINTF(AAC_D_QUEUE, ("aac_ccb_poll(%p, %p, %d) ", sc, ac, timo));
s = splbio();
if ((rv = aac_ccb_submit(sc, ac)) != 0) {
splx(s);
return (rv);
}
for (timo *= 1000; timo != 0; timo--) {
aac_intr(sc);
if ((ac->ac_flags & AAC_CCB_COMPLETED) != 0)
break;
DELAY(100);
}
splx(s);
return (timo == 0);
}
/*
* Atomically insert an entry into the nominated queue, returns 0 on success
* or EBUSY if the queue is full.
*
* XXX Note that it would be more efficient to defer notifying the
* controller in the case where we may be inserting several entries in rapid
* succession, but implementing this usefully is difficult.
*/
int
aac_enqueue_fib(struct aac_softc *sc, int queue, struct aac_fib *fib)
{
u_int32_t fib_size, fib_addr, pi, ci;
fib_size = le16toh(fib->Header.Size);
fib_addr = le32toh(fib->Header.ReceiverFibAddress);
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
sizeof(sc->sc_common->ac_qbuf),
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
/* Get the producer/consumer indices. */
pi = le32toh(sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]);
ci = le32toh(sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]);
/* Wrap the queue? */
if (pi >= aac_qinfo[queue].size)
pi = 0;
/* Check for queue full. */
if ((pi + 1) == ci)
return (EAGAIN);
/* Populate queue entry. */
(sc->sc_qentries[queue] + pi)->aq_fib_size = htole32(fib_size);
(sc->sc_qentries[queue] + pi)->aq_fib_addr = htole32(fib_addr);
/* Update producer index. */
sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX] = htole32(pi + 1);
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
sizeof(sc->sc_common->ac_qbuf),
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
/* Notify the adapter if we know how. */
if (aac_qinfo[queue].notify != 0)
AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
return (0);
}
/*
* Atomically remove one entry from the nominated queue, returns 0 on success
* or ENOENT if the queue is empty.
*/
int
aac_dequeue_fib(struct aac_softc *sc, int queue, u_int32_t *fib_size,
struct aac_fib **fib_addr)
{
u_int32_t pi, ci;
int notify;
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
sizeof(sc->sc_common->ac_qbuf),
BUS_DMASYNC_POSTWRITE | BUS_DMASYNC_POSTREAD);
/* Get the producer/consumer indices. */
pi = le32toh(sc->sc_queues->qt_qindex[queue][AAC_PRODUCER_INDEX]);
ci = le32toh(sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX]);
/* Check for queue empty. */
if (ci == pi)
return (ENOENT);
notify = 0;
if (ci == pi + 1)
notify = 1;
/* Wrap the queue? */
if (ci >= aac_qinfo[queue].size)
ci = 0;
/* Fetch the entry. */
*fib_size = le32toh((sc->sc_qentries[queue] + ci)->aq_fib_size);
*fib_addr = le32toh((struct aac_fib *)
(sc->sc_qentries[queue] + ci)->aq_fib_addr);
/* Update consumer index. */
sc->sc_queues->qt_qindex[queue][AAC_CONSUMER_INDEX] = ci + 1;
bus_dmamap_sync(sc->sc_dmat, sc->sc_common_dmamap,
(caddr_t)sc->sc_common->ac_qbuf - (caddr_t)sc->sc_common,
sizeof(sc->sc_common->ac_qbuf),
BUS_DMASYNC_PREWRITE | BUS_DMASYNC_PREREAD);
/* If we have made the queue un-full, notify the adapter. */
if (notify && (aac_qinfo[queue].notify != 0))
AAC_QNOTIFY(sc, aac_qinfo[queue].notify);
return (0);
}
#ifdef AAC_DEBUG
/*
* Print a FIB
*/
void
aac_print_fib(struct aac_softc *sc, struct aac_fib *fib, char *caller)
{
struct aac_blockread *br;
struct aac_blockwrite *bw;
struct aac_sg_table *sg;
char buf[512];
int i;
printf("%s: FIB @ %p\n", caller, fib);
bitmask_snprintf(le32toh(fib->Header.XferState),
"\20"
"\1HOSTOWNED"
"\2ADAPTEROWNED"
"\3INITIALISED"
"\4EMPTY"
"\5FROMPOOL"
"\6FROMHOST"
"\7FROMADAP"
"\10REXPECTED"
"\11RNOTEXPECTED"
"\12DONEADAP"
"\13DONEHOST"
"\14HIGH"
"\15NORM"
"\16ASYNC"
"\17PAGEFILEIO"
"\20SHUTDOWN"
"\21LAZYWRITE"
"\22ADAPMICROFIB"
"\23BIOSFIB"
"\24FAST_RESPONSE"
"\25APIFIB\n",
buf,
sizeof(buf));
printf(" XferState %s\n", buf);
printf(" Command %d\n", le16toh(fib->Header.Command));
printf(" StructType %d\n", fib->Header.StructType);
printf(" Flags 0x%x\n", fib->Header.Flags);
printf(" Size %d\n", le16toh(fib->Header.Size));
printf(" SenderSize %d\n", le16toh(fib->Header.SenderSize));
printf(" SenderAddress 0x%x\n",
le32toh(fib->Header.SenderFibAddress));
printf(" ReceiverAddress 0x%x\n",
le32toh(fib->Header.ReceiverFibAddress));
printf(" SenderData 0x%x\n", fib->Header.SenderData);
switch (fib->Header.Command) {
case ContainerCommand: {
br = (struct aac_blockread *)fib->data;
bw = (struct aac_blockwrite *)fib->data;
sg = NULL;
if (le32toh(br->Command) == VM_CtBlockRead) {
printf(" BlockRead: container %d 0x%x/%d\n",
le32toh(br->ContainerId), le32toh(br->BlockNumber),
le32toh(br->ByteCount));
sg = &br->SgMap;
}
if (le32toh(bw->Command) == VM_CtBlockWrite) {
printf(" BlockWrite: container %d 0x%x/%d (%s)\n",
le32toh(bw->ContainerId), le32toh(bw->BlockNumber),
le32toh(bw->ByteCount),
le32toh(bw->Stable) == CSTABLE ?
"stable" : "unstable");
sg = &bw->SgMap;
}
if (sg != NULL) {
printf(" %d s/g entries\n", le32toh(sg->SgCount));
for (i = 0; i < le32toh(sg->SgCount); i++)
printf(" 0x%08x/%d\n",
le32toh(sg->SgEntry[i].SgAddress),
le32toh(sg->SgEntry[i].SgByteCount));
}
break;
}
default:
printf(" %16D\n", fib->data, " ");
printf(" %16D\n", fib->data + 16, " ");
break;
}
}
#endif
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