hardenedbsd/HardenedBSD
1
0
Fork 0
mirror of https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git synced 2024-11-15 06:42:51 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity
30975efbaf
HardenedBSD/sys/dev/siis/siis.c
Warner Losh ddfc9c4c59 newbus: Move from bus_child_{pnpinfo,location}_src to bus_child_{pnpinfo,location} with sbuf 
Now that the upper layers all go through a layer to tie into these
information functions that translates an sbuf into char * and len. The
current interface suffers issues of what to do in cases of truncation,
etc. Instead, migrate all these functions to using struct sbuf and these
issues go away. The caller is also in charge of any memory allocation
and/or expansion that's needed during this process.

Create a bus_generic_child_{pnpinfo,location} and make it default. It
just returns success. This is for those busses that have no information
for these items. Migrate the now-empty routines to using this as
appropriate.

Document these new interfaces with man pages, and oversight from before.

Reviewed by:		jhb, bcr
Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D29937
2021-06-22 20:52:06 -06:00

1989 lines
57 KiB
C
Raw Blame History

/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
* 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,
* without modification, immediately at the beginning of the file.
* 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 ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/module.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/ata.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sbuf.h>
#include <sys/sema.h>
#include <sys/taskqueue.h>
#include <vm/uma.h>
#include <machine/stdarg.h>
#include <machine/resource.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/led/led.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include "siis.h"
#include <cam/cam.h>
#include <cam/cam_ccb.h>
#include <cam/cam_sim.h>
#include <cam/cam_xpt_sim.h>
#include <cam/cam_debug.h>
/* local prototypes */
static int siis_setup_interrupt(device_t dev);
static void siis_intr(void *data);
static int siis_suspend(device_t dev);
static int siis_resume(device_t dev);
static int siis_ch_init(device_t dev);
static int siis_ch_deinit(device_t dev);
static int siis_ch_suspend(device_t dev);
static int siis_ch_resume(device_t dev);
static void siis_ch_intr_locked(void *data);
static void siis_ch_intr(void *data);
static void siis_ch_led(void *priv, int onoff);
static void siis_begin_transaction(device_t dev, union ccb *ccb);
static void siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error);
static void siis_execute_transaction(struct siis_slot *slot);
static void siis_timeout(void *arg);
static void siis_end_transaction(struct siis_slot *slot, enum siis_err_type et);
static int siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag);
static void siis_dmainit(device_t dev);
static void siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error);
static void siis_dmafini(device_t dev);
static void siis_slotsalloc(device_t dev);
static void siis_slotsfree(device_t dev);
static void siis_reset(device_t dev);
static void siis_portinit(device_t dev);
static int siis_wait_ready(device_t dev, int t);
static int siis_sata_connect(struct siis_channel *ch);
static void siis_issue_recovery(device_t dev);
static void siis_process_read_log(device_t dev, union ccb *ccb);
static void siis_process_request_sense(device_t dev, union ccb *ccb);
static void siisaction(struct cam_sim *sim, union ccb *ccb);
static void siispoll(struct cam_sim *sim);
static MALLOC_DEFINE(M_SIIS, "SIIS driver", "SIIS driver data buffers");
static struct {
uint32_t id;
const char *name;
int ports;
int quirks;
#define SIIS_Q_SNTF 1
#define SIIS_Q_NOMSI 2
} siis_ids[] = {
{0x31241095, "SiI3124", 4, 0},
{0x31248086, "SiI3124", 4, 0},
{0x31321095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
{0x02421095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
{0x02441095, "SiI3132", 2, SIIS_Q_SNTF|SIIS_Q_NOMSI},
{0x31311095, "SiI3131", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI},
{0x35311095, "SiI3531", 1, SIIS_Q_SNTF|SIIS_Q_NOMSI},
{0, NULL, 0, 0}
};
#define recovery_type spriv_field0
#define RECOVERY_NONE 0
#define RECOVERY_READ_LOG 1
#define RECOVERY_REQUEST_SENSE 2
#define recovery_slot spriv_field1
static int
siis_probe(device_t dev)
{
char buf[64];
int i;
uint32_t devid = pci_get_devid(dev);
for (i = 0; siis_ids[i].id != 0; i++) {
if (siis_ids[i].id == devid) {
snprintf(buf, sizeof(buf), "%s SATA controller",
siis_ids[i].name);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
siis_attach(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
uint32_t devid = pci_get_devid(dev);
device_t child;
int error, i, unit;
ctlr->dev = dev;
for (i = 0; siis_ids[i].id != 0; i++) {
if (siis_ids[i].id == devid)
break;
}
ctlr->quirks = siis_ids[i].quirks;
/* Global memory */
ctlr->r_grid = PCIR_BAR(0);
if (!(ctlr->r_gmem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&ctlr->r_grid, RF_ACTIVE)))
return (ENXIO);
ctlr->gctl = ATA_INL(ctlr->r_gmem, SIIS_GCTL);
/* Channels memory */
ctlr->r_rid = PCIR_BAR(2);
if (!(ctlr->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&ctlr->r_rid, RF_ACTIVE)))
return (ENXIO);
/* Setup our own memory management for channels. */
ctlr->sc_iomem.rm_start = rman_get_start(ctlr->r_mem);
ctlr->sc_iomem.rm_end = rman_get_end(ctlr->r_mem);
ctlr->sc_iomem.rm_type = RMAN_ARRAY;
ctlr->sc_iomem.rm_descr = "I/O memory addresses";
if ((error = rman_init(&ctlr->sc_iomem)) != 0) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
return (error);
}
if ((error = rman_manage_region(&ctlr->sc_iomem,
rman_get_start(ctlr->r_mem), rman_get_end(ctlr->r_mem))) != 0) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
rman_fini(&ctlr->sc_iomem);
return (error);
}
pci_enable_busmaster(dev);
/* Reset controller */
siis_resume(dev);
/* Number of HW channels */
ctlr->channels = siis_ids[i].ports;
/* Setup interrupts. */
if (siis_setup_interrupt(dev)) {
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
rman_fini(&ctlr->sc_iomem);
return ENXIO;
}
/* Attach all channels on this controller */
for (unit = 0; unit < ctlr->channels; unit++) {
child = device_add_child(dev, "siisch", -1);
if (child == NULL)
device_printf(dev, "failed to add channel device\n");
else
device_set_ivars(child, (void *)(intptr_t)unit);
}
bus_generic_attach(dev);
return 0;
}
static int
siis_detach(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
/* Detach & delete all children */
device_delete_children(dev);
/* Free interrupts. */
if (ctlr->irq.r_irq) {
bus_teardown_intr(dev, ctlr->irq.r_irq,
ctlr->irq.handle);
bus_release_resource(dev, SYS_RES_IRQ,
ctlr->irq.r_irq_rid, ctlr->irq.r_irq);
}
pci_release_msi(dev);
/* Free memory. */
rman_fini(&ctlr->sc_iomem);
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_rid, ctlr->r_mem);
bus_release_resource(dev, SYS_RES_MEMORY, ctlr->r_grid, ctlr->r_gmem);
return (0);
}
static int
siis_suspend(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
bus_generic_suspend(dev);
/* Put controller into reset state. */
ctlr->gctl |= SIIS_GCTL_GRESET;
ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
return 0;
}
static int
siis_resume(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
/* Set PCIe max read request size to at least 1024 bytes */
if (pci_get_max_read_req(dev) < 1024)
pci_set_max_read_req(dev, 1024);
/* Put controller into reset state. */
ctlr->gctl |= SIIS_GCTL_GRESET;
ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
DELAY(10000);
/* Get controller out of reset state and enable port interrupts. */
ctlr->gctl &= ~(SIIS_GCTL_GRESET | SIIS_GCTL_I2C_IE);
ctlr->gctl |= 0x0000000f;
ATA_OUTL(ctlr->r_gmem, SIIS_GCTL, ctlr->gctl);
return (bus_generic_resume(dev));
}
static int
siis_setup_interrupt(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(dev);
int msi = ctlr->quirks & SIIS_Q_NOMSI ? 0 : 1;
/* Process hints. */
resource_int_value(device_get_name(dev),
device_get_unit(dev), "msi", &msi);
if (msi < 0)
msi = 0;
else if (msi > 0)
msi = min(1, pci_msi_count(dev));
/* Allocate MSI if needed/present. */
if (msi && pci_alloc_msi(dev, &msi) != 0)
msi = 0;
/* Allocate all IRQs. */
ctlr->irq.r_irq_rid = msi ? 1 : 0;
if (!(ctlr->irq.r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&ctlr->irq.r_irq_rid, RF_SHAREABLE | RF_ACTIVE))) {
device_printf(dev, "unable to map interrupt\n");
return ENXIO;
}
if ((bus_setup_intr(dev, ctlr->irq.r_irq, ATA_INTR_FLAGS, NULL,
siis_intr, ctlr, &ctlr->irq.handle))) {
/* SOS XXX release r_irq */
device_printf(dev, "unable to setup interrupt\n");
return ENXIO;
}
return (0);
}
/*
* Common case interrupt handler.
*/
static void
siis_intr(void *data)
{
struct siis_controller *ctlr = (struct siis_controller *)data;
u_int32_t is;
void *arg;
int unit;
is = ATA_INL(ctlr->r_gmem, SIIS_IS);
for (unit = 0; unit < ctlr->channels; unit++) {
if ((is & SIIS_IS_PORT(unit)) != 0 &&
(arg = ctlr->interrupt[unit].argument)) {
ctlr->interrupt[unit].function(arg);
}
}
/* Acknowledge interrupt, if MSI enabled. */
if (ctlr->irq.r_irq_rid) {
ATA_OUTL(ctlr->r_gmem, SIIS_GCTL,
ctlr->gctl | SIIS_GCTL_MSIACK);
}
}
static struct resource *
siis_alloc_resource(device_t dev, device_t child, int type, int *rid,
rman_res_t start, rman_res_t end, rman_res_t count, u_int flags)
{
struct siis_controller *ctlr = device_get_softc(dev);
int unit = ((struct siis_channel *)device_get_softc(child))->unit;
struct resource *res = NULL;
int offset = unit << 13;
rman_res_t st;
switch (type) {
case SYS_RES_MEMORY:
st = rman_get_start(ctlr->r_mem);
res = rman_reserve_resource(&ctlr->sc_iomem, st + offset,
st + offset + 0x2000, 0x2000, RF_ACTIVE, child);
if (res) {
bus_space_handle_t bsh;
bus_space_tag_t bst;
bsh = rman_get_bushandle(ctlr->r_mem);
bst = rman_get_bustag(ctlr->r_mem);
bus_space_subregion(bst, bsh, offset, 0x2000, &bsh);
rman_set_bushandle(res, bsh);
rman_set_bustag(res, bst);
}
break;
case SYS_RES_IRQ:
if (*rid == ATA_IRQ_RID)
res = ctlr->irq.r_irq;
break;
}
return (res);
}
static int
siis_release_resource(device_t dev, device_t child, int type, int rid,
struct resource *r)
{
switch (type) {
case SYS_RES_MEMORY:
rman_release_resource(r);
return (0);
case SYS_RES_IRQ:
if (rid != ATA_IRQ_RID)
return ENOENT;
return (0);
}
return (EINVAL);
}
static int
siis_setup_intr(device_t dev, device_t child, struct resource *irq,
int flags, driver_filter_t *filter, driver_intr_t *function,
void *argument, void **cookiep)
{
struct siis_controller *ctlr = device_get_softc(dev);
int unit = (intptr_t)device_get_ivars(child);
if (filter != NULL) {
printf("siis.c: we cannot use a filter here\n");
return (EINVAL);
}
ctlr->interrupt[unit].function = function;
ctlr->interrupt[unit].argument = argument;
return (0);
}
static int
siis_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
struct siis_controller *ctlr = device_get_softc(dev);
int unit = (intptr_t)device_get_ivars(child);
ctlr->interrupt[unit].function = NULL;
ctlr->interrupt[unit].argument = NULL;
return (0);
}
static int
siis_print_child(device_t dev, device_t child)
{
int retval;
retval = bus_print_child_header(dev, child);
retval += printf(" at channel %d",
(int)(intptr_t)device_get_ivars(child));
retval += bus_print_child_footer(dev, child);
return (retval);
}
static int
siis_child_location(device_t dev, device_t child, struct sbuf *sb)
{
sbuf_printf(sb, "channel=%d",
(int)(intptr_t)device_get_ivars(child));
return (0);
}
static bus_dma_tag_t
siis_get_dma_tag(device_t bus, device_t child)
{
return (bus_get_dma_tag(bus));
}
devclass_t siis_devclass;
static device_method_t siis_methods[] = {
DEVMETHOD(device_probe, siis_probe),
DEVMETHOD(device_attach, siis_attach),
DEVMETHOD(device_detach, siis_detach),
DEVMETHOD(device_suspend, siis_suspend),
DEVMETHOD(device_resume, siis_resume),
DEVMETHOD(bus_print_child, siis_print_child),
DEVMETHOD(bus_alloc_resource, siis_alloc_resource),
DEVMETHOD(bus_release_resource, siis_release_resource),
DEVMETHOD(bus_setup_intr, siis_setup_intr),
DEVMETHOD(bus_teardown_intr,siis_teardown_intr),
DEVMETHOD(bus_child_location, siis_child_location),
DEVMETHOD(bus_get_dma_tag, siis_get_dma_tag),
{ 0, 0 }
};
static driver_t siis_driver = {
"siis",
siis_methods,
sizeof(struct siis_controller)
};
DRIVER_MODULE(siis, pci, siis_driver, siis_devclass, 0, 0);
MODULE_VERSION(siis, 1);
MODULE_DEPEND(siis, cam, 1, 1, 1);
static int
siis_ch_probe(device_t dev)
{
device_set_desc_copy(dev, "SIIS channel");
return (BUS_PROBE_DEFAULT);
}
static int
siis_ch_attach(device_t dev)
{
struct siis_controller *ctlr = device_get_softc(device_get_parent(dev));
struct siis_channel *ch = device_get_softc(dev);
struct cam_devq *devq;
int rid, error, i, sata_rev = 0;
ch->dev = dev;
ch->unit = (intptr_t)device_get_ivars(dev);
ch->quirks = ctlr->quirks;
ch->pm_level = 0;
resource_int_value(device_get_name(dev),
device_get_unit(dev), "pm_level", &ch->pm_level);
resource_int_value(device_get_name(dev),
device_get_unit(dev), "sata_rev", &sata_rev);
for (i = 0; i < 16; i++) {
ch->user[i].revision = sata_rev;
ch->user[i].mode = 0;
ch->user[i].bytecount = 8192;
ch->user[i].tags = SIIS_MAX_SLOTS;
ch->curr[i] = ch->user[i];
if (ch->pm_level)
ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ;
ch->user[i].caps |= CTS_SATA_CAPS_H_AN;
}
mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF);
rid = ch->unit;
if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
&rid, RF_ACTIVE)))
return (ENXIO);
siis_dmainit(dev);
siis_slotsalloc(dev);
siis_ch_init(dev);
mtx_lock(&ch->mtx);
rid = ATA_IRQ_RID;
if (!(ch->r_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
&rid, RF_SHAREABLE | RF_ACTIVE))) {
device_printf(dev, "Unable to map interrupt\n");
error = ENXIO;
goto err0;
}
if ((bus_setup_intr(dev, ch->r_irq, ATA_INTR_FLAGS, NULL,
siis_ch_intr_locked, dev, &ch->ih))) {
device_printf(dev, "Unable to setup interrupt\n");
error = ENXIO;
goto err1;
}
/* Create the device queue for our SIM. */
devq = cam_simq_alloc(SIIS_MAX_SLOTS);
if (devq == NULL) {
device_printf(dev, "Unable to allocate simq\n");
error = ENOMEM;
goto err1;
}
/* Construct SIM entry */
ch->sim = cam_sim_alloc(siisaction, siispoll, "siisch", ch,
device_get_unit(dev), &ch->mtx, 2, SIIS_MAX_SLOTS, devq);
if (ch->sim == NULL) {
cam_simq_free(devq);
device_printf(dev, "unable to allocate sim\n");
error = ENOMEM;
goto err1;
}
if (xpt_bus_register(ch->sim, dev, 0) != CAM_SUCCESS) {
device_printf(dev, "unable to register xpt bus\n");
error = ENXIO;
goto err2;
}
if (xpt_create_path(&ch->path, /*periph*/NULL, cam_sim_path(ch->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
device_printf(dev, "unable to create path\n");
error = ENXIO;
goto err3;
}
mtx_unlock(&ch->mtx);
ch->led = led_create(siis_ch_led, dev, device_get_nameunit(dev));
return (0);
err3:
xpt_bus_deregister(cam_sim_path(ch->sim));
err2:
cam_sim_free(ch->sim, /*free_devq*/TRUE);
err1:
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
err0:
bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
mtx_unlock(&ch->mtx);
mtx_destroy(&ch->mtx);
return (error);
}
static int
siis_ch_detach(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
led_destroy(ch->led);
mtx_lock(&ch->mtx);
xpt_async(AC_LOST_DEVICE, ch->path, NULL);
xpt_free_path(ch->path);
xpt_bus_deregister(cam_sim_path(ch->sim));
cam_sim_free(ch->sim, /*free_devq*/TRUE);
mtx_unlock(&ch->mtx);
bus_teardown_intr(dev, ch->r_irq, ch->ih);
bus_release_resource(dev, SYS_RES_IRQ, ATA_IRQ_RID, ch->r_irq);
siis_ch_deinit(dev);
siis_slotsfree(dev);
siis_dmafini(dev);
bus_release_resource(dev, SYS_RES_MEMORY, ch->unit, ch->r_mem);
mtx_destroy(&ch->mtx);
return (0);
}
static int
siis_ch_init(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
/* Get port out of reset state. */
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
if (ch->pm_present)
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
else
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
/* Enable port interrupts */
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
return (0);
}
static int
siis_ch_deinit(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
/* Put port into reset state. */
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
return (0);
}
static int
siis_ch_suspend(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
mtx_lock(&ch->mtx);
xpt_freeze_simq(ch->sim, 1);
while (ch->oslots)
msleep(ch, &ch->mtx, PRIBIO, "siissusp", hz/100);
siis_ch_deinit(dev);
mtx_unlock(&ch->mtx);
return (0);
}
static int
siis_ch_resume(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
mtx_lock(&ch->mtx);
siis_ch_init(dev);
siis_reset(dev);
xpt_release_simq(ch->sim, TRUE);
mtx_unlock(&ch->mtx);
return (0);
}
devclass_t siisch_devclass;
static device_method_t siisch_methods[] = {
DEVMETHOD(device_probe, siis_ch_probe),
DEVMETHOD(device_attach, siis_ch_attach),
DEVMETHOD(device_detach, siis_ch_detach),
DEVMETHOD(device_suspend, siis_ch_suspend),
DEVMETHOD(device_resume, siis_ch_resume),
{ 0, 0 }
};
static driver_t siisch_driver = {
"siisch",
siisch_methods,
sizeof(struct siis_channel)
};
DRIVER_MODULE(siisch, siis, siisch_driver, siis_devclass, 0, 0);
static void
siis_ch_led(void *priv, int onoff)
{
device_t dev;
struct siis_channel *ch;
dev = (device_t)priv;
ch = device_get_softc(dev);
if (onoff == 0)
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_LED_ON);
else
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_LED_ON);
}
struct siis_dc_cb_args {
bus_addr_t maddr;
int error;
};
static void
siis_dmainit(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
struct siis_dc_cb_args dcba;
/* Command area. */
if (bus_dma_tag_create(bus_get_dma_tag(dev), 1024, 0,
BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
NULL, NULL, SIIS_WORK_SIZE, 1, SIIS_WORK_SIZE,
0, NULL, NULL, &ch->dma.work_tag))
goto error;
if (bus_dmamem_alloc(ch->dma.work_tag, (void **)&ch->dma.work, 0,
&ch->dma.work_map))
goto error;
if (bus_dmamap_load(ch->dma.work_tag, ch->dma.work_map, ch->dma.work,
SIIS_WORK_SIZE, siis_dmasetupc_cb, &dcba, 0) || dcba.error) {
bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
goto error;
}
ch->dma.work_bus = dcba.maddr;
/* Data area. */
if (bus_dma_tag_create(bus_get_dma_tag(dev), 1, 0,
BUS_SPACE_MAXADDR, BUS_SPACE_MAXADDR,
NULL, NULL,
SIIS_SG_ENTRIES * PAGE_SIZE, SIIS_SG_ENTRIES, 0xFFFFFFFF,
0, busdma_lock_mutex, &ch->mtx, &ch->dma.data_tag)) {
goto error;
}
return;
error:
device_printf(dev, "WARNING - DMA initialization failed\n");
siis_dmafini(dev);
}
static void
siis_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
{
struct siis_dc_cb_args *dcba = (struct siis_dc_cb_args *)xsc;
if (!(dcba->error = error))
dcba->maddr = segs[0].ds_addr;
}
static void
siis_dmafini(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
if (ch->dma.data_tag) {
bus_dma_tag_destroy(ch->dma.data_tag);
ch->dma.data_tag = NULL;
}
if (ch->dma.work_bus) {
bus_dmamap_unload(ch->dma.work_tag, ch->dma.work_map);
bus_dmamem_free(ch->dma.work_tag, ch->dma.work, ch->dma.work_map);
ch->dma.work_bus = 0;
ch->dma.work_map = NULL;
ch->dma.work = NULL;
}
if (ch->dma.work_tag) {
bus_dma_tag_destroy(ch->dma.work_tag);
ch->dma.work_tag = NULL;
}
}
static void
siis_slotsalloc(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
/* Alloc and setup command/dma slots */
bzero(ch->slot, sizeof(ch->slot));
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
struct siis_slot *slot = &ch->slot[i];
slot->dev = dev;
slot->slot = i;
slot->state = SIIS_SLOT_EMPTY;
slot->prb_offset = SIIS_PRB_SIZE * i;
slot->ccb = NULL;
callout_init_mtx(&slot->timeout, &ch->mtx, 0);
if (bus_dmamap_create(ch->dma.data_tag, 0, &slot->dma.data_map))
device_printf(ch->dev, "FAILURE - create data_map\n");
}
}
static void
siis_slotsfree(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
/* Free all dma slots */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
struct siis_slot *slot = &ch->slot[i];
callout_drain(&slot->timeout);
if (slot->dma.data_map) {
bus_dmamap_destroy(ch->dma.data_tag, slot->dma.data_map);
slot->dma.data_map = NULL;
}
}
}
static void
siis_notify_events(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
struct cam_path *dpath;
u_int32_t status;
int i;
if (ch->quirks & SIIS_Q_SNTF) {
status = ATA_INL(ch->r_mem, SIIS_P_SNTF);
ATA_OUTL(ch->r_mem, SIIS_P_SNTF, status);
} else {
/*
* Without SNTF we have no idea which device sent notification.
* If PMP is connected, assume it, else - device.
*/
status = (ch->pm_present) ? 0x8000 : 0x0001;
}
if (bootverbose)
device_printf(dev, "SNTF 0x%04x\n", status);
for (i = 0; i < 16; i++) {
if ((status & (1 << i)) == 0)
continue;
if (xpt_create_path(&dpath, NULL,
xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) {
xpt_async(AC_SCSI_AEN, dpath, NULL);
xpt_free_path(dpath);
}
}
}
static void
siis_phy_check_events(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
/* If we have a connection event, deal with it */
if (ch->pm_level == 0) {
u_int32_t status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
union ccb *ccb;
if (bootverbose) {
if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE)) {
device_printf(dev, "CONNECT requested\n");
} else
device_printf(dev, "DISCONNECT requested\n");
}
siis_reset(dev);
if ((ccb = xpt_alloc_ccb_nowait()) == NULL)
return;
if (xpt_create_path(&ccb->ccb_h.path, NULL,
cam_sim_path(ch->sim),
CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
xpt_free_ccb(ccb);
return;
}
xpt_rescan(ccb);
}
}
static void
siis_ch_intr_locked(void *data)
{
device_t dev = (device_t)data;
struct siis_channel *ch = device_get_softc(dev);
mtx_lock(&ch->mtx);
siis_ch_intr(data);
mtx_unlock(&ch->mtx);
}
static void
siis_ch_intr(void *data)
{
device_t dev = (device_t)data;
struct siis_channel *ch = device_get_softc(dev);
uint32_t istatus, sstatus, ctx, estatus, ok, err = 0;
enum siis_err_type et;
int i, ccs, port, tslots;
mtx_assert(&ch->mtx, MA_OWNED);
/* Read command statuses. */
sstatus = ATA_INL(ch->r_mem, SIIS_P_SS);
ok = ch->rslots & ~sstatus;
/* Complete all successful commands. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if ((ok >> i) & 1)
siis_end_transaction(&ch->slot[i], SIIS_ERR_NONE);
}
/* Do we have any other events? */
if ((sstatus & SIIS_P_SS_ATTN) == 0)
return;
/* Read and clear interrupt statuses. */
istatus = ATA_INL(ch->r_mem, SIIS_P_IS) &
(0xFFFF & ~SIIS_P_IX_COMMCOMP);
ATA_OUTL(ch->r_mem, SIIS_P_IS, istatus);
/* Process PHY events */
if (istatus & SIIS_P_IX_PHYRDYCHG)
siis_phy_check_events(dev);
/* Process NOTIFY events */
if (istatus & SIIS_P_IX_SDBN)
siis_notify_events(dev);
/* Process command errors */
if (istatus & SIIS_P_IX_COMMERR) {
estatus = ATA_INL(ch->r_mem, SIIS_P_CMDERR);
ctx = ATA_INL(ch->r_mem, SIIS_P_CTX);
ccs = (ctx & SIIS_P_CTX_SLOT) >> SIIS_P_CTX_SLOT_SHIFT;
port = (ctx & SIIS_P_CTX_PMP) >> SIIS_P_CTX_PMP_SHIFT;
err = ch->rslots & sstatus;
//device_printf(dev, "%s ERROR ss %08x is %08x rs %08x es %d act %d port %d serr %08x\n",
// __func__, sstatus, istatus, ch->rslots, estatus, ccs, port,
// ATA_INL(ch->r_mem, SIIS_P_SERR));
if (!ch->recoverycmd && !ch->recovery) {
xpt_freeze_simq(ch->sim, ch->numrslots);
ch->recovery = 1;
}
if (ch->frozen) {
union ccb *fccb = ch->frozen;
ch->frozen = NULL;
fccb->ccb_h.status &= ~CAM_STATUS_MASK;
fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
xpt_freeze_devq(fccb->ccb_h.path, 1);
fccb->ccb_h.status |= CAM_DEV_QFRZN;
}
xpt_done(fccb);
}
if (estatus == SIIS_P_CMDERR_DEV ||
estatus == SIIS_P_CMDERR_SDB ||
estatus == SIIS_P_CMDERR_DATAFIS) {
tslots = ch->numtslots[port];
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
/* XXX: requests in loading state. */
if (((ch->rslots >> i) & 1) == 0)
continue;
if (ch->slot[i].ccb->ccb_h.target_id != port)
continue;
if (tslots == 0) {
/* Untagged operation. */
if (i == ccs)
et = SIIS_ERR_TFE;
else
et = SIIS_ERR_INNOCENT;
} else {
/* Tagged operation. */
et = SIIS_ERR_NCQ;
}
siis_end_transaction(&ch->slot[i], et);
}
/*
* We can't reinit port if there are some other
* commands active, use resume to complete them.
*/
if (ch->rslots != 0 && !ch->recoverycmd)
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_RESUME);
} else {
if (estatus == SIIS_P_CMDERR_SENDFIS ||
estatus == SIIS_P_CMDERR_INCSTATE ||
estatus == SIIS_P_CMDERR_PPE ||
estatus == SIIS_P_CMDERR_SERVICE) {
et = SIIS_ERR_SATA;
} else
et = SIIS_ERR_INVALID;
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
/* XXX: requests in loading state. */
if (((ch->rslots >> i) & 1) == 0)
continue;
siis_end_transaction(&ch->slot[i], et);
}
}
}
}
/* Must be called with channel locked. */
static int
siis_check_collision(device_t dev, union ccb *ccb)
{
struct siis_channel *ch = device_get_softc(dev);
mtx_assert(&ch->mtx, MA_OWNED);
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
/* Tagged command while we have no supported tag free. */
if (((~ch->oslots) & (0x7fffffff >> (31 -
ch->curr[ccb->ccb_h.target_id].tags))) == 0)
return (1);
}
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT))) {
/* Atomic command while anything active. */
if (ch->numrslots != 0)
return (1);
}
/* We have some atomic command running. */
if (ch->aslots != 0)
return (1);
return (0);
}
/* Must be called with channel locked. */
static void
siis_begin_transaction(device_t dev, union ccb *ccb)
{
struct siis_channel *ch = device_get_softc(dev);
struct siis_slot *slot;
int tag, tags;
mtx_assert(&ch->mtx, MA_OWNED);
/* Choose empty slot. */
tags = SIIS_MAX_SLOTS;
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA))
tags = ch->curr[ccb->ccb_h.target_id].tags;
tag = fls((~ch->oslots) & (0x7fffffff >> (31 - tags))) - 1;
/* Occupy chosen slot. */
slot = &ch->slot[tag];
slot->ccb = ccb;
/* Update channel stats. */
ch->oslots |= (1 << slot->slot);
ch->numrslots++;
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
ch->numtslots[ccb->ccb_h.target_id]++;
}
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & (CAM_ATAIO_CONTROL | CAM_ATAIO_NEEDRESULT)))
ch->aslots |= (1 << slot->slot);
slot->dma.nsegs = 0;
/* If request moves data, setup and load SG list */
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
slot->state = SIIS_SLOT_LOADING;
bus_dmamap_load_ccb(ch->dma.data_tag, slot->dma.data_map,
ccb, siis_dmasetprd, slot, 0);
} else
siis_execute_transaction(slot);
}
/* Locked by busdma engine. */
static void
siis_dmasetprd(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
{
struct siis_slot *slot = arg;
struct siis_channel *ch = device_get_softc(slot->dev);
struct siis_cmd *ctp;
struct siis_dma_prd *prd;
int i;
mtx_assert(&ch->mtx, MA_OWNED);
if (error) {
device_printf(slot->dev, "DMA load error\n");
if (!ch->recoverycmd)
xpt_freeze_simq(ch->sim, 1);
siis_end_transaction(slot, SIIS_ERR_INVALID);
return;
}
KASSERT(nsegs <= SIIS_SG_ENTRIES, ("too many DMA segment entries\n"));
slot->dma.nsegs = nsegs;
if (nsegs != 0) {
/* Get a piece of the workspace for this request */
ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset);
/* Fill S/G table */
if (slot->ccb->ccb_h.func_code == XPT_ATA_IO)
prd = &ctp->u.ata.prd[0];
else
prd = &ctp->u.atapi.prd[0];
for (i = 0; i < nsegs; i++) {
prd[i].dba = htole64(segs[i].ds_addr);
prd[i].dbc = htole32(segs[i].ds_len);
prd[i].control = 0;
}
prd[nsegs - 1].control = htole32(SIIS_PRD_TRM);
bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
((slot->ccb->ccb_h.flags & CAM_DIR_IN) ?
BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE));
}
siis_execute_transaction(slot);
}
/* Must be called with channel locked. */
static void
siis_execute_transaction(struct siis_slot *slot)
{
device_t dev = slot->dev;
struct siis_channel *ch = device_get_softc(dev);
struct siis_cmd *ctp;
union ccb *ccb = slot->ccb;
u_int64_t prb_bus;
mtx_assert(&ch->mtx, MA_OWNED);
/* Get a piece of the workspace for this request */
ctp = (struct siis_cmd *)(ch->dma.work + slot->prb_offset);
ctp->control = 0;
ctp->protocol_override = 0;
ctp->transfer_count = 0;
/* Special handling for Soft Reset command. */
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
if (ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) {
ctp->control |= htole16(SIIS_PRB_SOFT_RESET);
} else {
ctp->control |= htole16(SIIS_PRB_PROTOCOL_OVERRIDE);
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_NCQ);
}
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_READ);
} else
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
ctp->protocol_override |=
htole16(SIIS_PRB_PROTO_WRITE);
}
}
} else if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
ctp->control |= htole16(SIIS_PRB_PACKET_READ);
else
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
ctp->control |= htole16(SIIS_PRB_PACKET_WRITE);
}
/* Special handling for Soft Reset command. */
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
(ccb->ataio.cmd.control & ATA_A_RESET)) {
/* Kick controller into sane state */
siis_portinit(dev);
}
/* Setup the FIS for this request */
if (!siis_setup_fis(dev, ctp, ccb, slot->slot)) {
device_printf(ch->dev, "Setting up SATA FIS failed\n");
if (!ch->recoverycmd)
xpt_freeze_simq(ch->sim, 1);
siis_end_transaction(slot, SIIS_ERR_INVALID);
return;
}
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
BUS_DMASYNC_PREWRITE);
/* Issue command to the controller. */
slot->state = SIIS_SLOT_RUNNING;
ch->rslots |= (1 << slot->slot);
prb_bus = ch->dma.work_bus + slot->prb_offset;
ATA_OUTL(ch->r_mem, SIIS_P_CACTL(slot->slot), prb_bus);
ATA_OUTL(ch->r_mem, SIIS_P_CACTH(slot->slot), prb_bus >> 32);
/* Start command execution timeout */
callout_reset_sbt(&slot->timeout, SBT_1MS * ccb->ccb_h.timeout, 0,
siis_timeout, slot, 0);
return;
}
/* Must be called with channel locked. */
static void
siis_process_timeout(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
mtx_assert(&ch->mtx, MA_OWNED);
if (!ch->recoverycmd && !ch->recovery) {
xpt_freeze_simq(ch->sim, ch->numrslots);
ch->recovery = 1;
}
/* Handle the rest of commands. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
/* Do we have a running request on slot? */
if (ch->slot[i].state < SIIS_SLOT_RUNNING)
continue;
siis_end_transaction(&ch->slot[i], SIIS_ERR_TIMEOUT);
}
}
/* Must be called with channel locked. */
static void
siis_rearm_timeout(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
mtx_assert(&ch->mtx, MA_OWNED);
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
struct siis_slot *slot = &ch->slot[i];
/* Do we have a running request on slot? */
if (slot->state < SIIS_SLOT_RUNNING)
continue;
if ((ch->toslots & (1 << i)) == 0)
continue;
callout_reset_sbt(&slot->timeout,
SBT_1MS * slot->ccb->ccb_h.timeout, 0,
siis_timeout, slot, 0);
}
}
/* Locked by callout mechanism. */
static void
siis_timeout(void *arg)
{
struct siis_slot *slot = arg;
device_t dev = slot->dev;
struct siis_channel *ch = device_get_softc(dev);
union ccb *ccb = slot->ccb;
mtx_assert(&ch->mtx, MA_OWNED);
/* Check for stale timeout. */
if (slot->state < SIIS_SLOT_RUNNING)
return;
/* Handle soft-reset timeouts without doing hard-reset. */
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) &&
(ccb->ataio.cmd.control & ATA_A_RESET)) {
xpt_freeze_simq(ch->sim, ch->numrslots);
siis_end_transaction(slot, SIIS_ERR_TFE);
return;
}
device_printf(dev, "Timeout on slot %d\n", slot->slot);
device_printf(dev, "%s is %08x ss %08x rs %08x es %08x sts %08x serr %08x\n",
__func__, ATA_INL(ch->r_mem, SIIS_P_IS),
ATA_INL(ch->r_mem, SIIS_P_SS), ch->rslots,
ATA_INL(ch->r_mem, SIIS_P_CMDERR), ATA_INL(ch->r_mem, SIIS_P_STS),
ATA_INL(ch->r_mem, SIIS_P_SERR));
if (ch->toslots == 0)
xpt_freeze_simq(ch->sim, 1);
ch->toslots |= (1 << slot->slot);
if ((ch->rslots & ~ch->toslots) == 0)
siis_process_timeout(dev);
else
device_printf(dev, " ... waiting for slots %08x\n",
ch->rslots & ~ch->toslots);
}
/* Must be called with channel locked. */
static void
siis_end_transaction(struct siis_slot *slot, enum siis_err_type et)
{
device_t dev = slot->dev;
struct siis_channel *ch = device_get_softc(dev);
union ccb *ccb = slot->ccb;
int lastto;
mtx_assert(&ch->mtx, MA_OWNED);
bus_dmamap_sync(ch->dma.work_tag, ch->dma.work_map,
BUS_DMASYNC_POSTWRITE);
/* Read result registers to the result struct
* May be incorrect if several commands finished same time,
* so read only when sure or have to.
*/
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
struct ata_res *res = &ccb->ataio.res;
if ((et == SIIS_ERR_TFE) ||
(ccb->ataio.cmd.flags & CAM_ATAIO_NEEDRESULT)) {
int offs = SIIS_P_LRAM_SLOT(slot->slot) + 8;
res->status = ATA_INB(ch->r_mem, offs + 2);
res->error = ATA_INB(ch->r_mem, offs + 3);
res->lba_low = ATA_INB(ch->r_mem, offs + 4);
res->lba_mid = ATA_INB(ch->r_mem, offs + 5);
res->lba_high = ATA_INB(ch->r_mem, offs + 6);
res->device = ATA_INB(ch->r_mem, offs + 7);
res->lba_low_exp = ATA_INB(ch->r_mem, offs + 8);
res->lba_mid_exp = ATA_INB(ch->r_mem, offs + 9);
res->lba_high_exp = ATA_INB(ch->r_mem, offs + 10);
res->sector_count = ATA_INB(ch->r_mem, offs + 12);
res->sector_count_exp = ATA_INB(ch->r_mem, offs + 13);
} else
bzero(res, sizeof(*res));
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN &&
ch->numrslots == 1) {
ccb->ataio.resid = ccb->ataio.dxfer_len -
ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4);
}
} else {
if ((ccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN &&
ch->numrslots == 1) {
ccb->csio.resid = ccb->csio.dxfer_len -
ATA_INL(ch->r_mem, SIIS_P_LRAM_SLOT(slot->slot) + 4);
}
}
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
bus_dmamap_sync(ch->dma.data_tag, slot->dma.data_map,
(ccb->ccb_h.flags & CAM_DIR_IN) ?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ch->dma.data_tag, slot->dma.data_map);
}
/* Set proper result status. */
if (et != SIIS_ERR_NONE || ch->recovery) {
ch->eslots |= (1 << slot->slot);
ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
}
/* In case of error, freeze device for proper recovery. */
if (et != SIIS_ERR_NONE && (!ch->recoverycmd) &&
!(ccb->ccb_h.status & CAM_DEV_QFRZN)) {
xpt_freeze_devq(ccb->ccb_h.path, 1);
ccb->ccb_h.status |= CAM_DEV_QFRZN;
}
ccb->ccb_h.status &= ~CAM_STATUS_MASK;
switch (et) {
case SIIS_ERR_NONE:
ccb->ccb_h.status |= CAM_REQ_CMP;
if (ccb->ccb_h.func_code == XPT_SCSI_IO)
ccb->csio.scsi_status = SCSI_STATUS_OK;
break;
case SIIS_ERR_INVALID:
ch->fatalerr = 1;
ccb->ccb_h.status |= CAM_REQ_INVALID;
break;
case SIIS_ERR_INNOCENT:
ccb->ccb_h.status |= CAM_REQUEUE_REQ;
break;
case SIIS_ERR_TFE:
case SIIS_ERR_NCQ:
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
ccb->ccb_h.status |= CAM_SCSI_STATUS_ERROR;
ccb->csio.scsi_status = SCSI_STATUS_CHECK_COND;
} else {
ccb->ccb_h.status |= CAM_ATA_STATUS_ERROR;
}
break;
case SIIS_ERR_SATA:
ch->fatalerr = 1;
ccb->ccb_h.status |= CAM_UNCOR_PARITY;
break;
case SIIS_ERR_TIMEOUT:
ch->fatalerr = 1;
ccb->ccb_h.status |= CAM_CMD_TIMEOUT;
break;
default:
ccb->ccb_h.status |= CAM_REQ_CMP_ERR;
}
/* Free slot. */
ch->oslots &= ~(1 << slot->slot);
ch->rslots &= ~(1 << slot->slot);
ch->aslots &= ~(1 << slot->slot);
slot->state = SIIS_SLOT_EMPTY;
slot->ccb = NULL;
/* Update channel stats. */
ch->numrslots--;
if ((ccb->ccb_h.func_code == XPT_ATA_IO) &&
(ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA)) {
ch->numtslots[ccb->ccb_h.target_id]--;
}
/* Cancel timeout state if request completed normally. */
if (et != SIIS_ERR_TIMEOUT) {
lastto = (ch->toslots == (1 << slot->slot));
ch->toslots &= ~(1 << slot->slot);
if (lastto)
xpt_release_simq(ch->sim, TRUE);
}
/* If it was our READ LOG command - process it. */
if (ccb->ccb_h.recovery_type == RECOVERY_READ_LOG) {
siis_process_read_log(dev, ccb);
/* If it was our REQUEST SENSE command - process it. */
} else if (ccb->ccb_h.recovery_type == RECOVERY_REQUEST_SENSE) {
siis_process_request_sense(dev, ccb);
/* If it was NCQ or ATAPI command error, put result on hold. */
} else if (et == SIIS_ERR_NCQ ||
((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR &&
(ccb->ccb_h.flags & CAM_DIS_AUTOSENSE) == 0)) {
ch->hold[slot->slot] = ccb;
ch->numhslots++;
} else
xpt_done(ccb);
/* If we have no other active commands, ... */
if (ch->rslots == 0) {
/* if there were timeouts or fatal error - reset port. */
if (ch->toslots != 0 || ch->fatalerr) {
siis_reset(dev);
} else {
/* if we have slots in error, we can reinit port. */
if (ch->eslots != 0)
siis_portinit(dev);
/* if there commands on hold, we can do recovery. */
if (!ch->recoverycmd && ch->numhslots)
siis_issue_recovery(dev);
}
/* If all the reset of commands are in timeout - abort them. */
} else if ((ch->rslots & ~ch->toslots) == 0 &&
et != SIIS_ERR_TIMEOUT)
siis_rearm_timeout(dev);
/* Unfreeze frozen command. */
if (ch->frozen && !siis_check_collision(dev, ch->frozen)) {
union ccb *fccb = ch->frozen;
ch->frozen = NULL;
siis_begin_transaction(dev, fccb);
xpt_release_simq(ch->sim, TRUE);
}
}
static void
siis_issue_recovery(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
union ccb *ccb;
struct ccb_ataio *ataio;
struct ccb_scsiio *csio;
int i;
/* Find some held command. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if (ch->hold[i])
break;
}
if (i == SIIS_MAX_SLOTS)
return;
ccb = xpt_alloc_ccb_nowait();
if (ccb == NULL) {
device_printf(dev, "Unable to allocate recovery command\n");
completeall:
/* We can't do anything -- complete held commands. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if (ch->hold[i] == NULL)
continue;
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
ch->hold[i]->ccb_h.status |= CAM_RESRC_UNAVAIL;
xpt_done(ch->hold[i]);
ch->hold[i] = NULL;
ch->numhslots--;
}
siis_reset(dev);
return;
}
ccb->ccb_h = ch->hold[i]->ccb_h; /* Reuse old header. */
if (ccb->ccb_h.func_code == XPT_ATA_IO) {
/* READ LOG */
ccb->ccb_h.recovery_type = RECOVERY_READ_LOG;
ccb->ccb_h.func_code = XPT_ATA_IO;
ccb->ccb_h.flags = CAM_DIR_IN;
ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
ataio = &ccb->ataio;
ataio->data_ptr = malloc(512, M_SIIS, M_NOWAIT);
if (ataio->data_ptr == NULL) {
xpt_free_ccb(ccb);
device_printf(dev,
"Unable to allocate memory for READ LOG command\n");
goto completeall;
}
ataio->dxfer_len = 512;
bzero(&ataio->cmd, sizeof(ataio->cmd));
ataio->cmd.flags = CAM_ATAIO_48BIT;
ataio->cmd.command = 0x2F; /* READ LOG EXT */
ataio->cmd.sector_count = 1;
ataio->cmd.sector_count_exp = 0;
ataio->cmd.lba_low = 0x10;
ataio->cmd.lba_mid = 0;
ataio->cmd.lba_mid_exp = 0;
} else {
/* REQUEST SENSE */
ccb->ccb_h.recovery_type = RECOVERY_REQUEST_SENSE;
ccb->ccb_h.recovery_slot = i;
ccb->ccb_h.func_code = XPT_SCSI_IO;
ccb->ccb_h.flags = CAM_DIR_IN;
ccb->ccb_h.status = 0;
ccb->ccb_h.timeout = 1000; /* 1s should be enough. */
csio = &ccb->csio;
csio->data_ptr = (void *)&ch->hold[i]->csio.sense_data;
csio->dxfer_len = ch->hold[i]->csio.sense_len;
csio->cdb_len = 6;
bzero(&csio->cdb_io, sizeof(csio->cdb_io));
csio->cdb_io.cdb_bytes[0] = 0x03;
csio->cdb_io.cdb_bytes[4] = csio->dxfer_len;
}
ch->recoverycmd = 1;
siis_begin_transaction(dev, ccb);
}
static void
siis_process_read_log(device_t dev, union ccb *ccb)
{
struct siis_channel *ch = device_get_softc(dev);
uint8_t *data;
struct ata_res *res;
int i;
ch->recoverycmd = 0;
data = ccb->ataio.data_ptr;
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP &&
(data[0] & 0x80) == 0) {
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if (!ch->hold[i])
continue;
if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
continue;
if ((data[0] & 0x1F) == i) {
res = &ch->hold[i]->ataio.res;
res->status = data[2];
res->error = data[3];
res->lba_low = data[4];
res->lba_mid = data[5];
res->lba_high = data[6];
res->device = data[7];
res->lba_low_exp = data[8];
res->lba_mid_exp = data[9];
res->lba_high_exp = data[10];
res->sector_count = data[12];
res->sector_count_exp = data[13];
} else {
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
ch->hold[i]->ccb_h.status |= CAM_REQUEUE_REQ;
}
xpt_done(ch->hold[i]);
ch->hold[i] = NULL;
ch->numhslots--;
}
} else {
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
device_printf(dev, "Error while READ LOG EXT\n");
else if ((data[0] & 0x80) == 0) {
device_printf(dev, "Non-queued command error in READ LOG EXT\n");
}
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if (!ch->hold[i])
continue;
if (ch->hold[i]->ccb_h.target_id != ccb->ccb_h.target_id)
continue;
xpt_done(ch->hold[i]);
ch->hold[i] = NULL;
ch->numhslots--;
}
}
free(ccb->ataio.data_ptr, M_SIIS);
xpt_free_ccb(ccb);
}
static void
siis_process_request_sense(device_t dev, union ccb *ccb)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
ch->recoverycmd = 0;
i = ccb->ccb_h.recovery_slot;
if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
ch->hold[i]->ccb_h.status |= CAM_AUTOSNS_VALID;
} else {
ch->hold[i]->ccb_h.status &= ~CAM_STATUS_MASK;
ch->hold[i]->ccb_h.status |= CAM_AUTOSENSE_FAIL;
}
xpt_done(ch->hold[i]);
ch->hold[i] = NULL;
ch->numhslots--;
xpt_free_ccb(ccb);
}
static void
siis_portinit(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i;
ch->eslots = 0;
ch->recovery = 0;
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_RESUME);
for (i = 0; i < 16; i++) {
ATA_OUTL(ch->r_mem, SIIS_P_PMPSTS(i), 0),
ATA_OUTL(ch->r_mem, SIIS_P_PMPQACT(i), 0);
}
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_INIT);
siis_wait_ready(dev, 1000);
}
static int
siis_devreset(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int timeout = 0;
uint32_t val;
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_DEV_RESET);
while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
SIIS_P_CTL_DEV_RESET) != 0) {
DELAY(100);
if (timeout++ > 1000) {
device_printf(dev, "device reset stuck "
"(timeout 100ms) status = %08x\n", val);
return (EBUSY);
}
}
return (0);
}
static int
siis_wait_ready(device_t dev, int t)
{
struct siis_channel *ch = device_get_softc(dev);
int timeout = 0;
uint32_t val;
while (((val = ATA_INL(ch->r_mem, SIIS_P_STS)) &
SIIS_P_CTL_READY) == 0) {
DELAY(1000);
if (timeout++ > t) {
device_printf(dev, "port is not ready (timeout %dms) "
"status = %08x\n", t, val);
return (EBUSY);
}
}
return (0);
}
static void
siis_reset(device_t dev)
{
struct siis_channel *ch = device_get_softc(dev);
int i, retry = 0, sata_rev;
uint32_t val;
xpt_freeze_simq(ch->sim, 1);
if (bootverbose)
device_printf(dev, "SIIS reset...\n");
if (!ch->recoverycmd && !ch->recovery)
xpt_freeze_simq(ch->sim, ch->numrslots);
/* Requeue frozen command. */
if (ch->frozen) {
union ccb *fccb = ch->frozen;
ch->frozen = NULL;
fccb->ccb_h.status &= ~CAM_STATUS_MASK;
fccb->ccb_h.status |= CAM_REQUEUE_REQ | CAM_RELEASE_SIMQ;
if (!(fccb->ccb_h.status & CAM_DEV_QFRZN)) {
xpt_freeze_devq(fccb->ccb_h.path, 1);
fccb->ccb_h.status |= CAM_DEV_QFRZN;
}
xpt_done(fccb);
}
/* Requeue all running commands. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
/* Do we have a running request on slot? */
if (ch->slot[i].state < SIIS_SLOT_RUNNING)
continue;
/* XXX; Commands in loading state. */
siis_end_transaction(&ch->slot[i], SIIS_ERR_INNOCENT);
}
/* Finish all held commands as-is. */
for (i = 0; i < SIIS_MAX_SLOTS; i++) {
if (!ch->hold[i])
continue;
xpt_done(ch->hold[i]);
ch->hold[i] = NULL;
ch->numhslots--;
}
if (ch->toslots != 0)
xpt_release_simq(ch->sim, TRUE);
ch->eslots = 0;
ch->recovery = 0;
ch->toslots = 0;
ch->fatalerr = 0;
/* Disable port interrupts */
ATA_OUTL(ch->r_mem, SIIS_P_IECLR, 0x0000FFFF);
/* Set speed limit. */
sata_rev = ch->user[ch->pm_present ? 15 : 0].revision;
if (sata_rev == 1)
val = ATA_SC_SPD_SPEED_GEN1;
else if (sata_rev == 2)
val = ATA_SC_SPD_SPEED_GEN2;
else if (sata_rev == 3)
val = ATA_SC_SPD_SPEED_GEN3;
else
val = 0;
ATA_OUTL(ch->r_mem, SIIS_P_SCTL,
ATA_SC_DET_IDLE | val | ((ch->pm_level > 0) ? 0 :
(ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)));
retry:
siis_devreset(dev);
/* Reset and reconnect PHY, */
if (!siis_sata_connect(ch)) {
ch->devices = 0;
/* Enable port interrupts */
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
if (bootverbose)
device_printf(dev,
"SIIS reset done: phy reset found no device\n");
/* Tell the XPT about the event */
xpt_async(AC_BUS_RESET, ch->path, NULL);
xpt_release_simq(ch->sim, TRUE);
return;
}
/* Wait for port ready status. */
if (siis_wait_ready(dev, 1000)) {
device_printf(dev, "port ready timeout\n");
if (!retry) {
device_printf(dev, "trying full port reset ...\n");
/* Get port to the reset state. */
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PORT_RESET);
DELAY(10000);
/* Get port out of reset state. */
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PORT_RESET);
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_32BIT);
if (ch->pm_present)
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
else
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
siis_wait_ready(dev, 5000);
retry = 1;
goto retry;
}
}
ch->devices = 1;
/* Enable port interrupts */
ATA_OUTL(ch->r_mem, SIIS_P_IS, 0xFFFFFFFF);
ATA_OUTL(ch->r_mem, SIIS_P_IESET, SIIS_P_IX_ENABLED);
if (bootverbose)
device_printf(dev, "SIIS reset done: devices=%08x\n", ch->devices);
/* Tell the XPT about the event */
xpt_async(AC_BUS_RESET, ch->path, NULL);
xpt_release_simq(ch->sim, TRUE);
}
static int
siis_setup_fis(device_t dev, struct siis_cmd *ctp, union ccb *ccb, int tag)
{
struct siis_channel *ch = device_get_softc(dev);
u_int8_t *fis = &ctp->fis[0];
bzero(fis, 24);
fis[0] = 0x27; /* host to device */
fis[1] = (ccb->ccb_h.target_id & 0x0f);
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
fis[1] |= 0x80;
fis[2] = ATA_PACKET_CMD;
if ((ccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE &&
ch->curr[ccb->ccb_h.target_id].mode >= ATA_DMA)
fis[3] = ATA_F_DMA;
else {
fis[5] = ccb->csio.dxfer_len;
fis[6] = ccb->csio.dxfer_len >> 8;
}
fis[7] = ATA_D_LBA;
fis[15] = ATA_A_4BIT;
bzero(ctp->u.atapi.ccb, 16);
bcopy((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
ccb->csio.cdb_io.cdb_ptr : ccb->csio.cdb_io.cdb_bytes,
ctp->u.atapi.ccb, ccb->csio.cdb_len);
} else if ((ccb->ataio.cmd.flags & CAM_ATAIO_CONTROL) == 0) {
fis[1] |= 0x80;
fis[2] = ccb->ataio.cmd.command;
fis[3] = ccb->ataio.cmd.features;
fis[4] = ccb->ataio.cmd.lba_low;
fis[5] = ccb->ataio.cmd.lba_mid;
fis[6] = ccb->ataio.cmd.lba_high;
fis[7] = ccb->ataio.cmd.device;
fis[8] = ccb->ataio.cmd.lba_low_exp;
fis[9] = ccb->ataio.cmd.lba_mid_exp;
fis[10] = ccb->ataio.cmd.lba_high_exp;
fis[11] = ccb->ataio.cmd.features_exp;
fis[12] = ccb->ataio.cmd.sector_count;
if (ccb->ataio.cmd.flags & CAM_ATAIO_FPDMA) {
fis[12] &= 0x07;
fis[12] |= tag << 3;
}
fis[13] = ccb->ataio.cmd.sector_count_exp;
if (ccb->ataio.ata_flags & ATA_FLAG_ICC)
fis[14] = ccb->ataio.icc;
fis[15] = ATA_A_4BIT;
if (ccb->ataio.ata_flags & ATA_FLAG_AUX) {
fis[16] = ccb->ataio.aux & 0xff;
fis[17] = (ccb->ataio.aux >> 8) & 0xff;
fis[18] = (ccb->ataio.aux >> 16) & 0xff;
fis[19] = (ccb->ataio.aux >> 24) & 0xff;
}
} else {
/* Soft reset. */
}
return (20);
}
static int
siis_sata_connect(struct siis_channel *ch)
{
u_int32_t status;
int timeout, found = 0;
/* Wait up to 100ms for "connect well" */
for (timeout = 0; timeout < 1000 ; timeout++) {
status = ATA_INL(ch->r_mem, SIIS_P_SSTS);
if ((status & ATA_SS_DET_MASK) != ATA_SS_DET_NO_DEVICE)
found = 1;
if (((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_ONLINE) &&
((status & ATA_SS_SPD_MASK) != ATA_SS_SPD_NO_SPEED) &&
((status & ATA_SS_IPM_MASK) == ATA_SS_IPM_ACTIVE))
break;
if ((status & ATA_SS_DET_MASK) == ATA_SS_DET_PHY_OFFLINE) {
if (bootverbose) {
device_printf(ch->dev, "SATA offline status=%08x\n",
status);
}
return (0);
}
if (found == 0 && timeout >= 100)
break;
DELAY(100);
}
if (timeout >= 1000 || !found) {
if (bootverbose) {
device_printf(ch->dev,
"SATA connect timeout time=%dus status=%08x\n",
timeout * 100, status);
}
return (0);
}
if (bootverbose) {
device_printf(ch->dev, "SATA connect time=%dus status=%08x\n",
timeout * 100, status);
}
/* Clear SATA error register */
ATA_OUTL(ch->r_mem, SIIS_P_SERR, 0xffffffff);
return (1);
}
static int
siis_check_ids(device_t dev, union ccb *ccb)
{
if (ccb->ccb_h.target_id > 15) {
ccb->ccb_h.status = CAM_TID_INVALID;
xpt_done(ccb);
return (-1);
}
if (ccb->ccb_h.target_lun != 0) {
ccb->ccb_h.status = CAM_LUN_INVALID;
xpt_done(ccb);
return (-1);
}
return (0);
}
static void
siisaction(struct cam_sim *sim, union ccb *ccb)
{
device_t dev, parent;
struct siis_channel *ch;
CAM_DEBUG(ccb->ccb_h.path, CAM_DEBUG_TRACE, ("siisaction func_code=%x\n",
ccb->ccb_h.func_code));
ch = (struct siis_channel *)cam_sim_softc(sim);
dev = ch->dev;
mtx_assert(&ch->mtx, MA_OWNED);
switch (ccb->ccb_h.func_code) {
/* Common cases first */
case XPT_ATA_IO: /* Execute the requested I/O operation */
case XPT_SCSI_IO:
if (siis_check_ids(dev, ccb))
return;
if (ch->devices == 0 ||
(ch->pm_present == 0 &&
ccb->ccb_h.target_id > 0 && ccb->ccb_h.target_id < 15)) {
ccb->ccb_h.status = CAM_SEL_TIMEOUT;
break;
}
ccb->ccb_h.recovery_type = RECOVERY_NONE;
/* Check for command collision. */
if (siis_check_collision(dev, ccb)) {
/* Freeze command. */
ch->frozen = ccb;
/* We have only one frozen slot, so freeze simq also. */
xpt_freeze_simq(ch->sim, 1);
return;
}
siis_begin_transaction(dev, ccb);
return;
case XPT_ABORT: /* Abort the specified CCB */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
case XPT_SET_TRAN_SETTINGS:
{
struct ccb_trans_settings *cts = &ccb->cts;
struct siis_device *d;
if (siis_check_ids(dev, ccb))
return;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
d = &ch->curr[ccb->ccb_h.target_id];
else
d = &ch->user[ccb->ccb_h.target_id];
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_REVISION)
d->revision = cts->xport_specific.sata.revision;
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_MODE)
d->mode = cts->xport_specific.sata.mode;
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_BYTECOUNT)
d->bytecount = min(8192, cts->xport_specific.sata.bytecount);
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
d->tags = min(SIIS_MAX_SLOTS, cts->xport_specific.sata.tags);
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_PM) {
ch->pm_present = cts->xport_specific.sata.pm_present;
if (ch->pm_present)
ATA_OUTL(ch->r_mem, SIIS_P_CTLSET, SIIS_P_CTL_PME);
else
ATA_OUTL(ch->r_mem, SIIS_P_CTLCLR, SIIS_P_CTL_PME);
}
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_TAGS)
d->atapi = cts->xport_specific.sata.atapi;
if (cts->xport_specific.sata.valid & CTS_SATA_VALID_CAPS)
d->caps = cts->xport_specific.sata.caps;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_GET_TRAN_SETTINGS:
/* Get default/user set transfer settings for the target */
{
struct ccb_trans_settings *cts = &ccb->cts;
struct siis_device *d;
uint32_t status;
if (siis_check_ids(dev, ccb))
return;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS)
d = &ch->curr[ccb->ccb_h.target_id];
else
d = &ch->user[ccb->ccb_h.target_id];
cts->protocol = PROTO_UNSPECIFIED;
cts->protocol_version = PROTO_VERSION_UNSPECIFIED;
cts->transport = XPORT_SATA;
cts->transport_version = XPORT_VERSION_UNSPECIFIED;
cts->proto_specific.valid = 0;
cts->xport_specific.sata.valid = 0;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
(ccb->ccb_h.target_id == 15 ||
(ccb->ccb_h.target_id == 0 && !ch->pm_present))) {
status = ATA_INL(ch->r_mem, SIIS_P_SSTS) & ATA_SS_SPD_MASK;
if (status & 0x0f0) {
cts->xport_specific.sata.revision =
(status & 0x0f0) >> 4;
cts->xport_specific.sata.valid |=
CTS_SATA_VALID_REVISION;
}
cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D;
if (ch->pm_level)
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ;
cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN;
cts->xport_specific.sata.caps &=
ch->user[ccb->ccb_h.target_id].caps;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
} else {
cts->xport_specific.sata.revision = d->revision;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION;
cts->xport_specific.sata.caps = d->caps;
if (cts->type == CTS_TYPE_CURRENT_SETTINGS &&
(ch->quirks & SIIS_Q_SNTF) == 0)
cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS;
}
cts->xport_specific.sata.mode = d->mode;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_MODE;
cts->xport_specific.sata.bytecount = d->bytecount;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_BYTECOUNT;
cts->xport_specific.sata.pm_present = ch->pm_present;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_PM;
cts->xport_specific.sata.tags = d->tags;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_TAGS;
cts->xport_specific.sata.atapi = d->atapi;
cts->xport_specific.sata.valid |= CTS_SATA_VALID_ATAPI;
ccb->ccb_h.status = CAM_REQ_CMP;
break;
}
case XPT_RESET_BUS: /* Reset the specified SCSI bus */
case XPT_RESET_DEV: /* Bus Device Reset the specified SCSI device */
siis_reset(dev);
ccb->ccb_h.status = CAM_REQ_CMP;
break;
case XPT_TERM_IO: /* Terminate the I/O process */
/* XXX Implement */
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
case XPT_PATH_INQ: /* Path routing inquiry */
{
struct ccb_pathinq *cpi = &ccb->cpi;
parent = device_get_parent(dev);
cpi->version_num = 1; /* XXX??? */
cpi->hba_inquiry = PI_SDTR_ABLE | PI_TAG_ABLE;
cpi->hba_inquiry |= PI_SATAPM;
cpi->target_sprt = 0;
cpi->hba_misc = PIM_SEQSCAN | PIM_UNMAPPED | PIM_ATA_EXT;
cpi->hba_eng_cnt = 0;
cpi->max_target = 15;
cpi->max_lun = 0;
cpi->initiator_id = 0;
cpi->bus_id = cam_sim_bus(sim);
cpi->base_transfer_speed = 150000;
strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
strlcpy(cpi->hba_vid, "SIIS", HBA_IDLEN);
strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
cpi->unit_number = cam_sim_unit(sim);
cpi->transport = XPORT_SATA;
cpi->transport_version = XPORT_VERSION_UNSPECIFIED;
cpi->protocol = PROTO_ATA;
cpi->protocol_version = PROTO_VERSION_UNSPECIFIED;
cpi->maxio = maxphys;
cpi->hba_vendor = pci_get_vendor(parent);
cpi->hba_device = pci_get_device(parent);
cpi->hba_subvendor = pci_get_subvendor(parent);
cpi->hba_subdevice = pci_get_subdevice(parent);
cpi->ccb_h.status = CAM_REQ_CMP;
break;
}
default:
ccb->ccb_h.status = CAM_REQ_INVALID;
break;
}
xpt_done(ccb);
}
static void
siispoll(struct cam_sim *sim)
{
struct siis_channel *ch = (struct siis_channel *)cam_sim_softc(sim);
siis_ch_intr(ch->dev);
}
Reference in New Issue View Git Blame Copy Permalink