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MFp4:

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Separate CAM_DEV_IDENTIFY_DATA_VALID flag from CAM_DEV_INQUIRY_DATA_VALID.
Add workaround for very old devices without support for mode setting.
Add some PATA bus scanning support.
Remove some SCSIsms.
This commit is contained in:
Alexander Motin 2009-10-21 15:27:48 +00:00
parent 022ad82222
commit 4b997c49c0
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=198331
2 changed files with 29 additions and 174 deletions
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202
sys/cam/ata/ata_xpt.c
View File

@ -62,7 +62,6 @@ __FBSDID("$FreeBSD$");
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_message.h>
#include <cam/scsi/scsi_pass.h>
#include <cam/ata/ata_all.h>
#include <machine/stdarg.h> /* for xpt_print below */
#include "opt_cam.h"
@ -755,11 +754,8 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
strlen(path->device->serial_num);
}
path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID;
scsi_find_quirk(path->device);
path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID;
ata_device_transport(path);
PROBE_SET_ACTION(softc, PROBE_SETMODE);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
@ -793,7 +789,7 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
case PROBE_SETMODE:
{
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
if (path->device->protocol == PROTO_ATA) {
modedone: if (path->device->protocol == PROTO_ATA) {
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
xpt_action(done_ccb);
@ -815,6 +811,10 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
xpt_release_devq(done_ccb->ccb_h.path, /*count*/1,
/*run_queue*/TRUE);
}
/* Old PIO2 devices may not support mode setting. */
if (ata_max_pmode(ident_buf) <= ATA_PIO2 &&
(ident_buf->capabilities1 & ATA_SUPPORT_IORDY) == 0)
goto modedone;
goto device_fail;
}
case PROBE_INQUIRY:
@ -854,8 +854,7 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
}
scsi_find_quirk(path->device);
// scsi_devise_transport(path);
ata_device_transport(path);
path->device->flags &= ~CAM_DEV_UNCONFIGURED;
done_ccb->ccb_h.func_code = XPT_GDEV_TYPE;
xpt_action(done_ccb);
@ -876,7 +875,7 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
}
case PROBE_PM_PID:
if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0)
if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) == 0)
bzero(ident_buf, sizeof(*ident_buf));
softc->pm_pid = (done_ccb->ataio.res.lba_high << 24) +
(done_ccb->ataio.res.lba_mid << 16) +
@ -940,7 +939,7 @@ probedone(struct cam_periph *periph, union ccb *done_ccb)
softc->pm_ports = 5;
printf("PM ports: %d\n", softc->pm_ports);
ident_buf->config = softc->pm_ports;
path->device->flags |= CAM_DEV_INQUIRY_DATA_VALID;
path->device->flags |= CAM_DEV_IDENTIFY_DATA_VALID;
softc->pm_step = 0;
PROBE_SET_ACTION(softc, PROBE_PM_RESET);
xpt_release_ccb(done_ccb);
@ -1170,7 +1169,10 @@ ata_scan_bus(struct cam_periph *periph, union ccb *request_ccb)
}
scan_info->request_ccb = request_ccb;
scan_info->cpi = &work_ccb->cpi;
scan_info->found = 0x8001;
if (scan_info->cpi->transport == XPORT_ATA)
scan_info->found = 0x0003;
else
scan_info->found = 0x8001;
scan_info->counter = 0;
/* If PM supported, probe it first. */
if (scan_info->cpi->hba_inquiry & PI_SATAPM)
@ -1400,68 +1402,29 @@ static void
ata_device_transport(struct cam_path *path)
{
struct ccb_pathinq cpi;
// struct ccb_trans_settings cts;
struct scsi_inquiry_data *inq_buf;
struct ccb_trans_settings cts;
struct scsi_inquiry_data *inq_buf = NULL;
struct ata_params *ident_buf = NULL;
/* Get transport information from the SIM */
xpt_setup_ccb(&cpi.ccb_h, path, /*priority*/1);
cpi.ccb_h.func_code = XPT_PATH_INQ;
xpt_action((union ccb *)&cpi);
inq_buf = NULL;
// if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0)
// inq_buf = &path->device->inq_data;
// path->device->protocol = cpi.protocol;
// path->device->protocol_version =
// inq_buf != NULL ? SID_ANSI_REV(inq_buf) : cpi.protocol_version;
path->device->transport = cpi.transport;
path->device->transport_version = cpi.transport_version;
#if 0
/*
* Any device not using SPI3 features should
* be considered SPI2 or lower.
*/
if (inq_buf != NULL) {
if (path->device->transport == XPORT_SPI
&& (inq_buf->spi3data & SID_SPI_MASK) == 0
&& path->device->transport_version > 2)
path->device->transport_version = 2;
} else {
struct cam_ed* otherdev;
for (otherdev = TAILQ_FIRST(&path->target->ed_entries);
otherdev != NULL;
otherdev = TAILQ_NEXT(otherdev, links)) {
if (otherdev != path->device)
break;
}
if (otherdev != NULL) {
/*
* Initially assume the same versioning as
* prior luns for this target.
*/
path->device->protocol_version =
otherdev->protocol_version;
path->device->transport_version =
otherdev->transport_version;
} else {
/* Until we know better, opt for safty */
path->device->protocol_version = 2;
if (path->device->transport == XPORT_SPI)
path->device->transport_version = 2;
else
path->device->transport_version = 0;
}
if ((path->device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0)
inq_buf = &path->device->inq_data;
if ((path->device->flags & CAM_DEV_IDENTIFY_DATA_VALID) != 0)
ident_buf = &path->device->ident_data;
if (path->device->protocol == PROTO_ATA) {
path->device->protocol_version = ident_buf ?
ata_version(ident_buf->version_major) : cpi.protocol_version;
} else if (path->device->protocol == PROTO_SCSI) {
path->device->protocol_version = inq_buf ?
SID_ANSI_REV(inq_buf) : cpi.protocol_version;
}
/*
* XXX
* For a device compliant with SPC-2 we should be able
* to determine the transport version supported by
* scrutinizing the version descriptors in the
* inquiry buffer.
*/
path->device->transport_version = ident_buf ?
ata_version(ident_buf->version_major) : cpi.transport_version;
/* Tell the controller what we think */
xpt_setup_ccb(&cts.ccb_h, path, /*priority*/1);
@ -1474,7 +1437,6 @@ ata_device_transport(struct cam_path *path)
cts.proto_specific.valid = 0;
cts.xport_specific.valid = 0;
xpt_action((union ccb *)&cts);
#endif
}
static void
@ -1630,114 +1592,6 @@ scsi_set_transfer_settings(struct ccb_trans_settings *cts, struct cam_ed *device
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
}
/* SPI specific sanity checking */
if (cts->transport == XPORT_SPI && async_update == FALSE) {
u_int spi3caps;
struct ccb_trans_settings_spi *spi;
struct ccb_trans_settings_spi *cur_spi;
spi = &cts->xport_specific.spi;
cur_spi = &cur_cts.xport_specific.spi;
/* Fill in any gaps in what the user gave us */
if ((spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
spi->sync_period = cur_spi->sync_period;
if ((cur_spi->valid & CTS_SPI_VALID_SYNC_RATE) == 0)
spi->sync_period = 0;
if ((spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
spi->sync_offset = cur_spi->sync_offset;
if ((cur_spi->valid & CTS_SPI_VALID_SYNC_OFFSET) == 0)
spi->sync_offset = 0;
if ((spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
spi->ppr_options = cur_spi->ppr_options;
if ((cur_spi->valid & CTS_SPI_VALID_PPR_OPTIONS) == 0)
spi->ppr_options = 0;
if ((spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
spi->bus_width = cur_spi->bus_width;
if ((cur_spi->valid & CTS_SPI_VALID_BUS_WIDTH) == 0)
spi->bus_width = 0;
if ((spi->valid & CTS_SPI_VALID_DISC) == 0) {
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
spi->flags |= cur_spi->flags & CTS_SPI_FLAGS_DISC_ENB;
}
if ((cur_spi->valid & CTS_SPI_VALID_DISC) == 0)
spi->flags &= ~CTS_SPI_FLAGS_DISC_ENB;
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& (inq_data->flags & SID_Sync) == 0
&& cts->type == CTS_TYPE_CURRENT_SETTINGS)
|| ((cpi.hba_inquiry & PI_SDTR_ABLE) == 0)) {
/* Force async */
spi->sync_period = 0;
spi->sync_offset = 0;
}
switch (spi->bus_width) {
case MSG_EXT_WDTR_BUS_32_BIT:
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
|| (inq_data->flags & SID_WBus32) != 0
|| cts->type == CTS_TYPE_USER_SETTINGS)
&& (cpi.hba_inquiry & PI_WIDE_32) != 0)
break;
/* Fall Through to 16-bit */
case MSG_EXT_WDTR_BUS_16_BIT:
if (((device->flags & CAM_DEV_INQUIRY_DATA_VALID) == 0
|| (inq_data->flags & SID_WBus16) != 0
|| cts->type == CTS_TYPE_USER_SETTINGS)
&& (cpi.hba_inquiry & PI_WIDE_16) != 0) {
spi->bus_width = MSG_EXT_WDTR_BUS_16_BIT;
break;
}
/* Fall Through to 8-bit */
default: /* New bus width?? */
case MSG_EXT_WDTR_BUS_8_BIT:
/* All targets can do this */
spi->bus_width = MSG_EXT_WDTR_BUS_8_BIT;
break;
}
spi3caps = cpi.xport_specific.spi.ppr_options;
if ((device->flags & CAM_DEV_INQUIRY_DATA_VALID) != 0
&& cts->type == CTS_TYPE_CURRENT_SETTINGS)
spi3caps &= inq_data->spi3data;
if ((spi3caps & SID_SPI_CLOCK_DT) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_DT_REQ;
if ((spi3caps & SID_SPI_IUS) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_IU_REQ;
if ((spi3caps & SID_SPI_QAS) == 0)
spi->ppr_options &= ~MSG_EXT_PPR_QAS_REQ;
/* No SPI Transfer settings are allowed unless we are wide */
if (spi->bus_width == 0)
spi->ppr_options = 0;
if ((spi->valid & CTS_SPI_VALID_DISC)
&& ((spi->flags & CTS_SPI_FLAGS_DISC_ENB) == 0)) {
/*
* Can't tag queue without disconnection.
*/
scsi->flags &= ~CTS_SCSI_FLAGS_TAG_ENB;
scsi->valid |= CTS_SCSI_VALID_TQ;
}
/*
* If we are currently performing tagged transactions to
* this device and want to change its negotiation parameters,
* go non-tagged for a bit to give the controller a chance to
* negotiate unhampered by tag messages.
*/
if (cts->type == CTS_TYPE_CURRENT_SETTINGS
&& (device->inq_flags & SID_CmdQue) != 0
&& (scsi->flags & CTS_SCSI_FLAGS_TAG_ENB) != 0
&& (spi->flags & (CTS_SPI_VALID_SYNC_RATE|
CTS_SPI_VALID_SYNC_OFFSET|
CTS_SPI_VALID_BUS_WIDTH)) != 0)
scsi_toggle_tags(cts->ccb_h.path);
}
if (cts->type == CTS_TYPE_CURRENT_SETTINGS
&& (scsi->valid & CTS_SCSI_VALID_TQ) != 0) {
int device_tagenb;

1
sys/cam/cam_xpt_internal.h
View File

@ -116,6 +116,7 @@ struct cam_ed {
#define CAM_DEV_INQUIRY_DATA_VALID 0x40
#define CAM_DEV_IN_DV 0x80
#define CAM_DEV_DV_HIT_BOTTOM 0x100
#define CAM_DEV_IDENTIFY_DATA_VALID 0x200
u_int32_t tag_delay_count;
#define CAM_TAG_DELAY_COUNT 5
u_int32_t tag_saved_openings;