S: Maintained
F: drivers/net/typhoon*
- 3W-9XXX SATA-RAID CONTROLLER DRIVER
- M: Adam Radford <linuxraid@amcc.com>
+ 3WARE SAS/SATA-RAID SCSI DRIVERS (3W-XXXX, 3W-9XXX, 3W-SAS)
+ M: Adam Radford <linuxraid@lsi.com>
L: linux-scsi@vger.kernel.org
- W: http://www.amcc.com
+ W: http://www.lsi.com
S: Supported
- F: drivers/scsi/3w-9xxx*
-
- 3W-XXXX ATA-RAID CONTROLLER DRIVER
- M: Adam Radford <linuxraid@amcc.com>
- L: linux-scsi@vger.kernel.org
- W: http://www.amcc.com
- S: Supported
- F: drivers/scsi/3w-xxxx*
+ F: drivers/scsi/3w-*
53C700 AND 53C700-66 SCSI DRIVER
M: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
F: drivers/input/mouse/bcm5974.c
APPLE SMC DRIVER
-M: Nicolas Boichat <nicolas@boichat.ch>
-L: mactel-linux-devel@lists.sourceforge.net
+M: Henrik Rydberg <rydberg@euromail.se>
+L: lm-sensors@lm-sensors.org
S: Maintained
F: drivers/hwmon/applesmc.c
W: http://www.mcuos.com
S: Maintained
+ARM/U300 MACHINE SUPPORT
+M: Linus Walleij <linus.walleij@stericsson.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Supported
+F: arch/arm/mach-u300/
+F: drivers/i2c/busses/i2c-stu300.c
+F: drivers/rtc/rtc-coh901331.c
+F: drivers/watchdog/coh901327_wdt.c
+F: drivers/dma/coh901318*
+
ARM/U8500 ARM ARCHITECTURE
M: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
DRM DRIVERS
M: David Airlie <airlied@linux.ie>
-L: dri-devel@lists.sourceforge.net
+L: dri-devel@lists.freedesktop.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6.git
S: Maintained
F: drivers/gpu/drm/
F: drivers/ata/sata_promise.*
PS3 NETWORK SUPPORT
-M: Geoff Levand <geoffrey.levand@am.sony.com>
+M: Geoff Levand <geoff@infradead.org>
L: netdev@vger.kernel.org
L: cbe-oss-dev@ozlabs.org
-S: Supported
+S: Maintained
F: drivers/net/ps3_gelic_net.*
PS3 PLATFORM SUPPORT
-M: Geoff Levand <geoffrey.levand@am.sony.com>
+M: Geoff Levand <geoff@infradead.org>
L: linuxppc-dev@ozlabs.org
L: cbe-oss-dev@ozlabs.org
-S: Supported
+S: Maintained
F: arch/powerpc/boot/ps3*
F: arch/powerpc/include/asm/lv1call.h
F: arch/powerpc/include/asm/ps3*.h
F: Documentation/scsi/LICENSE.qla2xxx
F: drivers/scsi/qla2xxx/
+ QLOGIC QLA4XXX iSCSI DRIVER
+ M: Ravi Anand <ravi.anand@qlogic.com>
+ M: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
+ M: iscsi-driver@qlogic.com
+ L: linux-scsi@vger.kernel.org
+ S: Supported
+ F: drivers/scsi/qla4xxx/
+
QLOGIC QLA3XXX NETWORK DRIVER
M: Ron Mercer <ron.mercer@qlogic.com>
M: linux-driver@qlogic.com
S390 ZFCP DRIVER
M: Christof Schmitt <christof.schmitt@de.ibm.com>
-M: Martin Peschke <mp3@de.ibm.com>
+M: Swen Schillig <swen@vnet.ibm.com>
M: linux390@de.ibm.com
L: linux-s390@vger.kernel.org
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
-F: Documentation/s390/zfcpdump.txt
F: drivers/s390/scsi/zfcp_*
S390 IUCV NETWORK LAYER
F: drivers/mmc/host/tmio_mmc.*
TMPFS (SHMEM FILESYSTEM)
-M: Hugh Dickins <hugh.dickins@tiscali.co.uk>
+M: Hugh Dickins <hughd@google.com>
L: linux-mm@kvack.org
S: Maintained
F: include/linux/shmem_fs.h
adapter->hydra_version = bottom->adapter_type;
adapter->timer_ticks = bottom->timer_interval;
+ adapter->stat_read_buf_num = max(bottom->status_read_buf_num, (u16)16);
if (fc_host_permanent_port_name(shost) == -1)
fc_host_permanent_port_name(shost) = fc_host_port_name(shost);
}
}
- static int zfcp_fsf_sbal_check(struct zfcp_qdio *qdio)
- {
- struct zfcp_qdio_queue *req_q = &qdio->req_q;
-
- spin_lock_bh(&qdio->req_q_lock);
- if (atomic_read(&req_q->count))
- return 1;
- spin_unlock_bh(&qdio->req_q_lock);
- return 0;
- }
-
- static int zfcp_fsf_req_sbal_get(struct zfcp_qdio *qdio)
- {
- struct zfcp_adapter *adapter = qdio->adapter;
- long ret;
-
- spin_unlock_bh(&qdio->req_q_lock);
- ret = wait_event_interruptible_timeout(qdio->req_q_wq,
- zfcp_fsf_sbal_check(qdio), 5 * HZ);
- if (ret > 0)
- return 0;
- if (!ret) {
- atomic_inc(&qdio->req_q_full);
- /* assume hanging outbound queue, try queue recovery */
- zfcp_erp_adapter_reopen(adapter, 0, "fsrsg_1", NULL);
- }
-
- spin_lock_bh(&qdio->req_q_lock);
- return -EIO;
- }
-
static struct zfcp_fsf_req *zfcp_fsf_alloc(mempool_t *pool)
{
struct zfcp_fsf_req *req;
}
static struct zfcp_fsf_req *zfcp_fsf_req_create(struct zfcp_qdio *qdio,
- u32 fsf_cmd, mempool_t *pool)
+ u32 fsf_cmd, u32 sbtype,
+ mempool_t *pool)
{
- struct qdio_buffer_element *sbale;
- struct zfcp_qdio_queue *req_q = &qdio->req_q;
struct zfcp_adapter *adapter = qdio->adapter;
struct zfcp_fsf_req *req = zfcp_fsf_alloc(pool);
req->adapter = adapter;
req->fsf_command = fsf_cmd;
req->req_id = adapter->req_no;
- req->qdio_req.sbal_number = 1;
- req->qdio_req.sbal_first = req_q->first;
- req->qdio_req.sbal_last = req_q->first;
- req->qdio_req.sbale_curr = 1;
-
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].addr = (void *) req->req_id;
- sbale[0].flags |= SBAL_FLAGS0_COMMAND;
if (likely(fsf_cmd != FSF_QTCB_UNSOLICITED_STATUS)) {
if (likely(pool))
req->qtcb->prefix.qtcb_version = FSF_QTCB_CURRENT_VERSION;
req->qtcb->header.req_handle = req->req_id;
req->qtcb->header.fsf_command = req->fsf_command;
- sbale[1].addr = (void *) req->qtcb;
- sbale[1].length = sizeof(struct fsf_qtcb);
}
+ zfcp_qdio_req_init(adapter->qdio, &req->qdio_req, req->req_id, sbtype,
+ req->qtcb, sizeof(struct fsf_qtcb));
+
if (!(atomic_read(&adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) {
zfcp_fsf_req_free(req);
return ERR_PTR(-EIO);
struct zfcp_adapter *adapter = qdio->adapter;
struct zfcp_fsf_req *req;
struct fsf_status_read_buffer *sr_buf;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
- req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS,
+ req = zfcp_fsf_req_create(qdio, FSF_QTCB_UNSOLICITED_STATUS, 0,
adapter->pool.status_read_req);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
goto out;
}
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[2].flags |= SBAL_FLAGS_LAST_ENTRY;
- req->qdio_req.sbale_curr = 2;
-
sr_buf = mempool_alloc(adapter->pool.status_read_data, GFP_ATOMIC);
if (!sr_buf) {
retval = -ENOMEM;
}
memset(sr_buf, 0, sizeof(*sr_buf));
req->data = sr_buf;
- sbale = zfcp_qdio_sbale_curr(qdio, &req->qdio_req);
- sbale->addr = (void *) sr_buf;
- sbale->length = sizeof(*sr_buf);
+
+ zfcp_qdio_fill_next(qdio, &req->qdio_req, sr_buf, sizeof(*sr_buf));
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
retval = zfcp_fsf_req_send(req);
if (retval)
struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
struct zfcp_unit *unit)
{
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
struct zfcp_qdio *qdio = unit->port->adapter->qdio;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_ABORT_FCP_CMND,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.scsi_abort);
if (IS_ERR(req)) {
req = NULL;
ZFCP_STATUS_COMMON_UNBLOCKED)))
goto out_error_free;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->data = unit;
req->handler = zfcp_fsf_abort_fcp_command_handler;
ct->handler(ct->handler_data);
}
- static void zfcp_fsf_setup_ct_els_unchained(struct qdio_buffer_element *sbale,
+ static void zfcp_fsf_setup_ct_els_unchained(struct zfcp_qdio *qdio,
+ struct zfcp_qdio_req *q_req,
struct scatterlist *sg_req,
struct scatterlist *sg_resp)
{
- sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE_READ;
- sbale[2].addr = sg_virt(sg_req);
- sbale[2].length = sg_req->length;
- sbale[3].addr = sg_virt(sg_resp);
- sbale[3].length = sg_resp->length;
- sbale[3].flags |= SBAL_FLAGS_LAST_ENTRY;
- }
-
- static int zfcp_fsf_one_sbal(struct scatterlist *sg)
- {
- return sg_is_last(sg) && sg->length <= PAGE_SIZE;
+ zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_req), sg_req->length);
+ zfcp_qdio_fill_next(qdio, q_req, sg_virt(sg_resp), sg_resp->length);
+ zfcp_qdio_set_sbale_last(qdio, q_req);
}
static int zfcp_fsf_setup_ct_els_sbals(struct zfcp_fsf_req *req,
int max_sbals)
{
struct zfcp_adapter *adapter = req->adapter;
- struct qdio_buffer_element *sbale = zfcp_qdio_sbale_req(adapter->qdio,
- &req->qdio_req);
u32 feat = adapter->adapter_features;
int bytes;
if (!(feat & FSF_FEATURE_ELS_CT_CHAINED_SBALS)) {
- if (!zfcp_fsf_one_sbal(sg_req) || !zfcp_fsf_one_sbal(sg_resp))
+ if (!zfcp_qdio_sg_one_sbale(sg_req) ||
+ !zfcp_qdio_sg_one_sbale(sg_resp))
return -EOPNOTSUPP;
- zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
+ zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
+ sg_req, sg_resp);
return 0;
}
/* use single, unchained SBAL if it can hold the request */
- if (zfcp_fsf_one_sbal(sg_req) && zfcp_fsf_one_sbal(sg_resp)) {
- zfcp_fsf_setup_ct_els_unchained(sbale, sg_req, sg_resp);
+ if (zfcp_qdio_sg_one_sbale(sg_req) || zfcp_qdio_sg_one_sbale(sg_resp)) {
+ zfcp_fsf_setup_ct_els_unchained(adapter->qdio, &req->qdio_req,
+ sg_req, sg_resp);
return 0;
}
bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
- SBAL_FLAGS0_TYPE_WRITE_READ,
sg_req, max_sbals);
if (bytes <= 0)
return -EIO;
req->qtcb->bottom.support.req_buf_length = bytes;
- req->qdio_req.sbale_curr = ZFCP_LAST_SBALE_PER_SBAL;
+ zfcp_qdio_skip_to_last_sbale(&req->qdio_req);
bytes = zfcp_qdio_sbals_from_sg(adapter->qdio, &req->qdio_req,
- SBAL_FLAGS0_TYPE_WRITE_READ,
sg_resp, max_sbals);
req->qtcb->bottom.support.resp_buf_length = bytes;
if (bytes <= 0)
int ret = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
- req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC, pool);
+ req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_GENERIC,
+ SBAL_FLAGS0_TYPE_WRITE_READ, pool);
if (IS_ERR(req)) {
ret = PTR_ERR(req);
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
ret = zfcp_fsf_setup_ct_els(req, ct->req, ct->resp,
- FSF_MAX_SBALS_PER_REQ, timeout);
+ ZFCP_FSF_MAX_SBALS_PER_REQ, timeout);
if (ret)
goto failed_send;
int ret = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
- req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS, NULL);
+ req = zfcp_fsf_req_create(qdio, FSF_QTCB_SEND_ELS,
+ SBAL_FLAGS0_TYPE_WRITE_READ, NULL);
if (IS_ERR(req)) {
ret = PTR_ERR(req);
int zfcp_fsf_exchange_config_data(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req;
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->qtcb->bottom.config.feature_selection =
FSF_FEATURE_CFDC |
int zfcp_fsf_exchange_config_data_sync(struct zfcp_qdio *qdio,
struct fsf_qtcb_bottom_config *data)
{
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
- req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA, NULL);
+ req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_CONFIG_DATA,
+ SBAL_FLAGS0_TYPE_READ, NULL);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
goto out_unlock;
}
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_exchange_config_data_handler;
req->qtcb->bottom.config.feature_selection =
int zfcp_fsf_exchange_port_data(struct zfcp_erp_action *erp_action)
{
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req;
int retval = -EIO;
return -EOPNOTSUPP;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_exchange_port_data_handler;
req->erp_action = erp_action;
int zfcp_fsf_exchange_port_data_sync(struct zfcp_qdio *qdio,
struct fsf_qtcb_bottom_port *data)
{
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
int retval = -EIO;
return -EOPNOTSUPP;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out_unlock;
- req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA, NULL);
+ req = zfcp_fsf_req_create(qdio, FSF_QTCB_EXCHANGE_PORT_DATA,
+ SBAL_FLAGS0_TYPE_READ, NULL);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
if (data)
req->data = data;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_exchange_port_data_handler;
zfcp_fsf_start_timer(req, ZFCP_FSF_REQUEST_TIMEOUT);
*/
int zfcp_fsf_open_port(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
struct zfcp_port *port = erp_action->port;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_open_port_handler;
hton24(req->qtcb->bottom.support.d_id, port->d_id);
*/
int zfcp_fsf_close_port(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_close_port_handler;
req->data = erp_action->port;
*/
int zfcp_fsf_open_wka_port(struct zfcp_fc_wka_port *wka_port)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_PORT_WITH_DID,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (unlikely(IS_ERR(req))) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_open_wka_port_handler;
hton24(req->qtcb->bottom.support.d_id, wka_port->d_id);
*/
int zfcp_fsf_close_wka_port(struct zfcp_fc_wka_port *wka_port)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = wka_port->adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PORT,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (unlikely(IS_ERR(req))) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->handler = zfcp_fsf_close_wka_port_handler;
req->data = wka_port;
*/
int zfcp_fsf_close_physical_port(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_PHYSICAL_PORT,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->data = erp_action->port;
req->qtcb->header.port_handle = erp_action->port->handle;
*/
int zfcp_fsf_open_unit(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_adapter *adapter = erp_action->adapter;
struct zfcp_qdio *qdio = adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_OPEN_LUN,
+ SBAL_FLAGS0_TYPE_READ,
adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->qtcb->header.port_handle = erp_action->port->handle;
req->qtcb->bottom.support.fcp_lun = erp_action->unit->fcp_lun;
*/
int zfcp_fsf_close_unit(struct zfcp_erp_action *erp_action)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = erp_action->adapter->qdio;
struct zfcp_fsf_req *req;
int retval = -EIO;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_CLOSE_LUN,
+ SBAL_FLAGS0_TYPE_READ,
qdio->adapter->pool.erp_req);
if (IS_ERR(req)) {
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_READ;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
req->qtcb->header.port_handle = erp_action->port->handle;
req->qtcb->header.lun_handle = erp_action->unit->handle;
blktrc.inb_usage = req->qdio_req.qdio_inb_usage;
blktrc.outb_usage = req->qdio_req.qdio_outb_usage;
- if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA) {
+ if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA &&
+ !(req->status & ZFCP_STATUS_FSFREQ_ERROR)) {
blktrc.flags |= ZFCP_BLK_LAT_VALID;
blktrc.channel_lat = lat_in->channel_lat * ticks;
blktrc.fabric_lat = lat_in->fabric_lat * ticks;
fcp_rsp = (struct fcp_resp_with_ext *) &req->qtcb->bottom.io.fcp_rsp;
zfcp_fc_eval_fcp_rsp(fcp_rsp, scpnt);
- zfcp_fsf_req_trace(req, scpnt);
-
skip_fsfstatus:
+ zfcp_fsf_req_trace(req, scpnt);
zfcp_dbf_scsi_result(req->adapter->dbf, scpnt, req);
scpnt->host_scribble = NULL;
goto out;
}
+ if (scsi_cmnd->sc_data_direction == DMA_TO_DEVICE)
+ sbtype = SBAL_FLAGS0_TYPE_WRITE;
+
req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
- adapter->pool.scsi_req);
+ sbtype, adapter->pool.scsi_req);
if (IS_ERR(req)) {
retval = PTR_ERR(req);
}
req->status |= ZFCP_STATUS_FSFREQ_CLEANUP;
- get_device(&unit->dev);
req->unit = unit;
req->data = scsi_cmnd;
req->handler = zfcp_fsf_send_fcp_command_handler;
break;
case DMA_TO_DEVICE:
req->qtcb->bottom.io.data_direction = FSF_DATADIR_WRITE;
- sbtype = SBAL_FLAGS0_TYPE_WRITE;
break;
case DMA_BIDIRECTIONAL:
goto failed_scsi_cmnd;
}
+ get_device(&unit->dev);
+
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
zfcp_fc_scsi_to_fcp(fcp_cmnd, scsi_cmnd);
- real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req, sbtype,
+ real_bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
scsi_sglist(scsi_cmnd),
- FSF_MAX_SBALS_PER_REQ);
+ ZFCP_FSF_MAX_SBALS_PER_REQ);
if (unlikely(real_bytes < 0)) {
- if (req->qdio_req.sbal_number >= FSF_MAX_SBALS_PER_REQ) {
+ if (req->qdio_req.sbal_number >= ZFCP_FSF_MAX_SBALS_PER_REQ) {
dev_err(&adapter->ccw_device->dev,
"Oversize data package, unit 0x%016Lx "
"on port 0x%016Lx closed\n",
*/
struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_unit *unit, u8 tm_flags)
{
- struct qdio_buffer_element *sbale;
struct zfcp_fsf_req *req = NULL;
struct fcp_cmnd *fcp_cmnd;
struct zfcp_qdio *qdio = unit->port->adapter->qdio;
return NULL;
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
req = zfcp_fsf_req_create(qdio, FSF_QTCB_FCP_CMND,
+ SBAL_FLAGS0_TYPE_WRITE,
qdio->adapter->pool.scsi_req);
if (IS_ERR(req)) {
req->qtcb->bottom.io.service_class = FSF_CLASS_3;
req->qtcb->bottom.io.fcp_cmnd_length = FCP_CMND_LEN;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= SBAL_FLAGS0_TYPE_WRITE;
- sbale[1].flags |= SBAL_FLAGS_LAST_ENTRY;
+ zfcp_qdio_set_sbale_last(qdio, &req->qdio_req);
fcp_cmnd = (struct fcp_cmnd *) &req->qtcb->bottom.io.fcp_cmnd;
zfcp_fc_fcp_tm(fcp_cmnd, unit->device, tm_flags);
struct zfcp_fsf_req *zfcp_fsf_control_file(struct zfcp_adapter *adapter,
struct zfcp_fsf_cfdc *fsf_cfdc)
{
- struct qdio_buffer_element *sbale;
struct zfcp_qdio *qdio = adapter->qdio;
struct zfcp_fsf_req *req = NULL;
struct fsf_qtcb_bottom_support *bottom;
}
spin_lock_bh(&qdio->req_q_lock);
- if (zfcp_fsf_req_sbal_get(qdio))
+ if (zfcp_qdio_sbal_get(qdio))
goto out;
- req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, NULL);
+ req = zfcp_fsf_req_create(qdio, fsf_cfdc->command, direction, NULL);
if (IS_ERR(req)) {
retval = -EPERM;
goto out;
req->handler = zfcp_fsf_control_file_handler;
- sbale = zfcp_qdio_sbale_req(qdio, &req->qdio_req);
- sbale[0].flags |= direction;
-
bottom = &req->qtcb->bottom.support;
bottom->operation_subtype = FSF_CFDC_OPERATION_SUBTYPE;
bottom->option = fsf_cfdc->option;
bytes = zfcp_qdio_sbals_from_sg(qdio, &req->qdio_req,
- direction, fsf_cfdc->sg,
- FSF_MAX_SBALS_PER_REQ);
+ fsf_cfdc->sg,
+ ZFCP_FSF_MAX_SBALS_PER_REQ);
if (bytes != ZFCP_CFDC_MAX_SIZE) {
zfcp_fsf_req_free(req);
goto out;
static u32 adapter_count;
#define DRV_MODULE_NAME "bnx2i"
- #define DRV_MODULE_VERSION "2.1.0"
- #define DRV_MODULE_RELDATE "Dec 06, 2009"
+ #define DRV_MODULE_VERSION "2.1.1"
+ #define DRV_MODULE_RELDATE "Mar 24, 2010"
static char version[] __devinitdata =
"Broadcom NetXtreme II iSCSI Driver " DRV_MODULE_NAME \
MODULE_AUTHOR("Anil Veerabhadrappa <anilgv@broadcom.com>");
- MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709 iSCSI Driver");
+ MODULE_DESCRIPTION("Broadcom NetXtreme II BCM5706/5708/5709/57710/57711"
+ " iSCSI Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
struct bnx2i_hba *hba = handle;
/* check if cleanup happened in GOING_DOWN context */
- clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
if (!test_and_clear_bit(ADAPTER_STATE_GOING_DOWN,
&hba->adapter_state))
iscsi_host_for_each_session(hba->shost,
bnx2i_drop_session);
+
+ /* Wait for all endpoints to be torn down, Chip will be reset once
+ * control returns to network driver. So it is required to cleanup and
+ * release all connection resources before returning from this routine.
+ */
+ wait_event_interruptible_timeout(hba->eh_wait,
+ (hba->ofld_conns_active == 0),
+ hba->hba_shutdown_tmo);
+ /* This flag should be cleared last so that ep_disconnect() gracefully
+ * cleans up connection context
+ */
+ clear_bit(ADAPTER_STATE_UP, &hba->adapter_state);
}
/**
int rc;
mutex_lock(&bnx2i_dev_lock);
+ hba->cnic = cnic;
rc = cnic->register_device(cnic, CNIC_ULP_ISCSI, hba);
if (!rc) {
hba->age++;
if (bnx2i_init_one(hba, dev)) {
printk(KERN_ERR "bnx2i - hba %p init failed\n", hba);
bnx2i_free_hba(hba);
- } else
- hba->cnic = dev;
+ }
}
}
static void
- iscsi_sw_tcp_conn_restore_callbacks(struct iscsi_sw_tcp_conn *tcp_sw_conn)
+ iscsi_sw_tcp_conn_restore_callbacks(struct iscsi_conn *conn)
{
+ struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
+ struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
struct sock *sk = tcp_sw_conn->sock->sk;
/* restore socket callbacks, see also: iscsi_conn_set_callbacks() */
return;
sock_hold(sock->sk);
- iscsi_sw_tcp_conn_restore_callbacks(tcp_sw_conn);
+ iscsi_sw_tcp_conn_restore_callbacks(conn);
sock_put(sock->sk);
spin_lock_bh(&session->lock);
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
write_unlock_bh(&tcp_sw_conn->sock->sk->sk_callback_lock);
- if (sock->sk->sk_sleep && waitqueue_active(sock->sk->sk_sleep)) {
+ if (sock->sk->sk_sleep) {
sock->sk->sk_err = EIO;
wake_up_interruptible(sock->sk->sk_sleep);
}
return status;
}
+ uint8_t
+ qla4xxx_set_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+ uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
+ {
+ memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+ memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+ mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
+ mbox_cmd[1] = 0;
+ mbox_cmd[2] = LSDW(init_fw_cb_dma);
+ mbox_cmd[3] = MSDW(init_fw_cb_dma);
+ mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+ mbox_cmd[5] = (IFCB_VER_MAX << 8) | IFCB_VER_MIN;
+
+ if (qla4xxx_mailbox_command(ha, 6, 6, mbox_cmd, mbox_sts) !=
+ QLA_SUCCESS) {
+ DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
+ "MBOX_CMD_INITIALIZE_FIRMWARE"
+ " failed w/ status %04X\n",
+ ha->host_no, __func__, mbox_sts[0]));
+ return QLA_ERROR;
+ }
+ return QLA_SUCCESS;
+ }
+
+ uint8_t
+ qla4xxx_get_ifcb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
+ uint32_t *mbox_sts, dma_addr_t init_fw_cb_dma)
+ {
+ memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
+ memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+ mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
+ mbox_cmd[2] = LSDW(init_fw_cb_dma);
+ mbox_cmd[3] = MSDW(init_fw_cb_dma);
+ mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+
+ if (qla4xxx_mailbox_command(ha, 5, 5, mbox_cmd, mbox_sts) !=
+ QLA_SUCCESS) {
+ DEBUG2(printk(KERN_WARNING "scsi%ld: %s: "
+ "MBOX_CMD_GET_INIT_FW_CTRL_BLOCK"
+ " failed w/ status %04X\n",
+ ha->host_no, __func__, mbox_sts[0]));
+ return QLA_ERROR;
+ }
+ return QLA_SUCCESS;
+ }
+
+ void
+ qla4xxx_update_local_ip(struct scsi_qla_host *ha,
+ struct addr_ctrl_blk *init_fw_cb)
+ {
+ /* Save IPv4 Address Info */
+ memcpy(ha->ip_address, init_fw_cb->ipv4_addr,
+ min(sizeof(ha->ip_address), sizeof(init_fw_cb->ipv4_addr)));
+ memcpy(ha->subnet_mask, init_fw_cb->ipv4_subnet,
+ min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->ipv4_subnet)));
+ memcpy(ha->gateway, init_fw_cb->ipv4_gw_addr,
+ min(sizeof(ha->gateway), sizeof(init_fw_cb->ipv4_gw_addr)));
+
+ if (is_ipv6_enabled(ha)) {
+ /* Save IPv6 Address */
+ ha->ipv6_link_local_state = init_fw_cb->ipv6_lnk_lcl_addr_state;
+ ha->ipv6_addr0_state = init_fw_cb->ipv6_addr0_state;
+ ha->ipv6_addr1_state = init_fw_cb->ipv6_addr1_state;
+ ha->ipv6_default_router_state = init_fw_cb->ipv6_dflt_rtr_state;
+ ha->ipv6_link_local_addr.in6_u.u6_addr8[0] = 0xFE;
+ ha->ipv6_link_local_addr.in6_u.u6_addr8[1] = 0x80;
+
+ memcpy(&ha->ipv6_link_local_addr.in6_u.u6_addr8[8],
+ init_fw_cb->ipv6_if_id,
+ min(sizeof(ha->ipv6_link_local_addr)/2,
+ sizeof(init_fw_cb->ipv6_if_id)));
+ memcpy(&ha->ipv6_addr0, init_fw_cb->ipv6_addr0,
+ min(sizeof(ha->ipv6_addr0),
+ sizeof(init_fw_cb->ipv6_addr0)));
+ memcpy(&ha->ipv6_addr1, init_fw_cb->ipv6_addr1,
+ min(sizeof(ha->ipv6_addr1),
+ sizeof(init_fw_cb->ipv6_addr1)));
+ memcpy(&ha->ipv6_default_router_addr,
+ init_fw_cb->ipv6_dflt_rtr_addr,
+ min(sizeof(ha->ipv6_default_router_addr),
+ sizeof(init_fw_cb->ipv6_dflt_rtr_addr)));
+ }
+ }
+
+ uint8_t
+ qla4xxx_update_local_ifcb(struct scsi_qla_host *ha,
+ uint32_t *mbox_cmd,
+ uint32_t *mbox_sts,
+ struct addr_ctrl_blk *init_fw_cb,
+ dma_addr_t init_fw_cb_dma)
+ {
+ if (qla4xxx_get_ifcb(ha, mbox_cmd, mbox_sts, init_fw_cb_dma)
+ != QLA_SUCCESS) {
+ DEBUG2(printk(KERN_WARNING
+ "scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
+ ha->host_no, __func__));
+ return QLA_ERROR;
+ }
+
+ DEBUG2(qla4xxx_dump_buffer(init_fw_cb, sizeof(struct addr_ctrl_blk)));
+
+ /* Save some info in adapter structure. */
+ ha->acb_version = init_fw_cb->acb_version;
+ ha->firmware_options = le16_to_cpu(init_fw_cb->fw_options);
+ ha->tcp_options = le16_to_cpu(init_fw_cb->ipv4_tcp_opts);
+ ha->ipv4_options = le16_to_cpu(init_fw_cb->ipv4_ip_opts);
+ ha->ipv4_addr_state = le16_to_cpu(init_fw_cb->ipv4_addr_state);
+ ha->heartbeat_interval = init_fw_cb->hb_interval;
+ memcpy(ha->name_string, init_fw_cb->iscsi_name,
+ min(sizeof(ha->name_string),
+ sizeof(init_fw_cb->iscsi_name)));
+ /*memcpy(ha->alias, init_fw_cb->Alias,
+ min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
+
+ /* Save Command Line Paramater info */
+ ha->port_down_retry_count = le16_to_cpu(init_fw_cb->conn_ka_timeout);
+ ha->discovery_wait = ql4xdiscoverywait;
+
+ if (ha->acb_version == ACB_SUPPORTED) {
+ ha->ipv6_options = init_fw_cb->ipv6_opts;
+ ha->ipv6_addl_options = init_fw_cb->ipv6_addtl_opts;
+ }
+ qla4xxx_update_local_ip(ha, init_fw_cb);
+
+ return QLA_SUCCESS;
+ }
+
/**
* qla4xxx_initialize_fw_cb - initializes firmware control block.
* @ha: Pointer to host adapter structure.
**/
int qla4xxx_initialize_fw_cb(struct scsi_qla_host * ha)
{
- struct init_fw_ctrl_blk *init_fw_cb;
+ struct addr_ctrl_blk *init_fw_cb;
dma_addr_t init_fw_cb_dma;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
int status = QLA_ERROR;
init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct init_fw_ctrl_blk),
+ sizeof(struct addr_ctrl_blk),
&init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
DEBUG2(printk("scsi%ld: %s: Unable to alloc init_cb\n",
ha->host_no, __func__));
return 10;
}
- memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
+ memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
/* Get Initialize Firmware Control Block. */
memset(&mbox_cmd, 0, sizeof(mbox_cmd));
memset(&mbox_sts, 0, sizeof(mbox_sts));
- mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
- mbox_cmd[2] = LSDW(init_fw_cb_dma);
- mbox_cmd[3] = MSDW(init_fw_cb_dma);
- mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
-
- if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
+ if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
QLA_SUCCESS) {
dma_free_coherent(&ha->pdev->dev,
- sizeof(struct init_fw_ctrl_blk),
+ sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
- return status;
+ goto exit_init_fw_cb;
}
/* Initialize request and response queues. */
qla4xxx_init_rings(ha);
/* Fill in the request and response queue information. */
- init_fw_cb->pri.rqq_consumer_idx = cpu_to_le16(ha->request_out);
- init_fw_cb->pri.compq_producer_idx = cpu_to_le16(ha->response_in);
- init_fw_cb->pri.rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
- init_fw_cb->pri.compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
- init_fw_cb->pri.rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
- init_fw_cb->pri.rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
- init_fw_cb->pri.compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
- init_fw_cb->pri.compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
- init_fw_cb->pri.shdwreg_addr_lo =
- cpu_to_le32(LSDW(ha->shadow_regs_dma));
- init_fw_cb->pri.shdwreg_addr_hi =
- cpu_to_le32(MSDW(ha->shadow_regs_dma));
+ init_fw_cb->rqq_consumer_idx = cpu_to_le16(ha->request_out);
+ init_fw_cb->compq_producer_idx = cpu_to_le16(ha->response_in);
+ init_fw_cb->rqq_len = __constant_cpu_to_le16(REQUEST_QUEUE_DEPTH);
+ init_fw_cb->compq_len = __constant_cpu_to_le16(RESPONSE_QUEUE_DEPTH);
+ init_fw_cb->rqq_addr_lo = cpu_to_le32(LSDW(ha->request_dma));
+ init_fw_cb->rqq_addr_hi = cpu_to_le32(MSDW(ha->request_dma));
+ init_fw_cb->compq_addr_lo = cpu_to_le32(LSDW(ha->response_dma));
+ init_fw_cb->compq_addr_hi = cpu_to_le32(MSDW(ha->response_dma));
+ init_fw_cb->shdwreg_addr_lo = cpu_to_le32(LSDW(ha->shadow_regs_dma));
+ init_fw_cb->shdwreg_addr_hi = cpu_to_le32(MSDW(ha->shadow_regs_dma));
/* Set up required options. */
- init_fw_cb->pri.fw_options |=
+ init_fw_cb->fw_options |=
__constant_cpu_to_le16(FWOPT_SESSION_MODE |
FWOPT_INITIATOR_MODE);
- init_fw_cb->pri.fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
-
- /* Save some info in adapter structure. */
- ha->firmware_options = le16_to_cpu(init_fw_cb->pri.fw_options);
- ha->tcp_options = le16_to_cpu(init_fw_cb->pri.ipv4_tcp_opts);
- ha->heartbeat_interval = init_fw_cb->pri.hb_interval;
- memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr,
- min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr)));
- memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet,
- min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet)));
- memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr,
- min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr)));
- memcpy(ha->name_string, init_fw_cb->pri.iscsi_name,
- min(sizeof(ha->name_string),
- sizeof(init_fw_cb->pri.iscsi_name)));
- /*memcpy(ha->alias, init_fw_cb->Alias,
- min(sizeof(ha->alias), sizeof(init_fw_cb->Alias)));*/
+ init_fw_cb->fw_options &= __constant_cpu_to_le16(~FWOPT_TARGET_MODE);
- /* Save Command Line Paramater info */
- ha->port_down_retry_count = le16_to_cpu(init_fw_cb->pri.conn_ka_timeout);
- ha->discovery_wait = ql4xdiscoverywait;
-
- /* Send Initialize Firmware Control Block. */
- memset(&mbox_cmd, 0, sizeof(mbox_cmd));
- memset(&mbox_sts, 0, sizeof(mbox_sts));
-
- mbox_cmd[0] = MBOX_CMD_INITIALIZE_FIRMWARE;
- mbox_cmd[1] = 0;
- mbox_cmd[2] = LSDW(init_fw_cb_dma);
- mbox_cmd[3] = MSDW(init_fw_cb_dma);
- mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
+ if (qla4xxx_set_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)
+ != QLA_SUCCESS) {
+ DEBUG2(printk(KERN_WARNING
+ "scsi%ld: %s: Failed to set init_fw_ctrl_blk\n",
+ ha->host_no, __func__));
+ goto exit_init_fw_cb;
+ }
- if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) ==
- QLA_SUCCESS)
- status = QLA_SUCCESS;
- else {
- DEBUG2(printk("scsi%ld: %s: MBOX_CMD_INITIALIZE_FIRMWARE "
- "failed w/ status %04X\n", ha->host_no, __func__,
- mbox_sts[0]));
+ if (qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0],
+ init_fw_cb, init_fw_cb_dma) != QLA_SUCCESS) {
+ DEBUG2(printk("scsi%ld: %s: Failed to update local ifcb\n",
+ ha->host_no, __func__));
+ goto exit_init_fw_cb;
}
- dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
- init_fw_cb, init_fw_cb_dma);
+ status = QLA_SUCCESS;
+
+ exit_init_fw_cb:
+ dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
+ init_fw_cb, init_fw_cb_dma);
return status;
}
**/
int qla4xxx_get_dhcp_ip_address(struct scsi_qla_host * ha)
{
- struct init_fw_ctrl_blk *init_fw_cb;
+ struct addr_ctrl_blk *init_fw_cb;
dma_addr_t init_fw_cb_dma;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
init_fw_cb = dma_alloc_coherent(&ha->pdev->dev,
- sizeof(struct init_fw_ctrl_blk),
+ sizeof(struct addr_ctrl_blk),
&init_fw_cb_dma, GFP_KERNEL);
if (init_fw_cb == NULL) {
printk("scsi%ld: %s: Unable to alloc init_cb\n", ha->host_no,
}
/* Get Initialize Firmware Control Block. */
- memset(&mbox_cmd, 0, sizeof(mbox_cmd));
- memset(&mbox_sts, 0, sizeof(mbox_sts));
-
- memset(init_fw_cb, 0, sizeof(struct init_fw_ctrl_blk));
- mbox_cmd[0] = MBOX_CMD_GET_INIT_FW_CTRL_BLOCK;
- mbox_cmd[2] = LSDW(init_fw_cb_dma);
- mbox_cmd[3] = MSDW(init_fw_cb_dma);
- mbox_cmd[4] = sizeof(struct init_fw_ctrl_blk);
-
- if (qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0], &mbox_sts[0]) !=
+ memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk));
+ if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma) !=
QLA_SUCCESS) {
DEBUG2(printk("scsi%ld: %s: Failed to get init_fw_ctrl_blk\n",
ha->host_no, __func__));
dma_free_coherent(&ha->pdev->dev,
- sizeof(struct init_fw_ctrl_blk),
+ sizeof(struct addr_ctrl_blk),
init_fw_cb, init_fw_cb_dma);
return QLA_ERROR;
}
/* Save IP Address. */
- memcpy(ha->ip_address, init_fw_cb->pri.ipv4_addr,
- min(sizeof(ha->ip_address), sizeof(init_fw_cb->pri.ipv4_addr)));
- memcpy(ha->subnet_mask, init_fw_cb->pri.ipv4_subnet,
- min(sizeof(ha->subnet_mask), sizeof(init_fw_cb->pri.ipv4_subnet)));
- memcpy(ha->gateway, init_fw_cb->pri.ipv4_gw_addr,
- min(sizeof(ha->gateway), sizeof(init_fw_cb->pri.ipv4_gw_addr)));
-
- dma_free_coherent(&ha->pdev->dev, sizeof(struct init_fw_ctrl_blk),
- init_fw_cb, init_fw_cb_dma);
+ qla4xxx_update_local_ip(ha, init_fw_cb);
+ dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk),
+ init_fw_cb, init_fw_cb_dma);
return QLA_SUCCESS;
}
uint16_t *connection_id)
{
int status = QLA_ERROR;
+ uint16_t options;
uint32_t mbox_cmd[MBOX_REG_COUNT];
uint32_t mbox_sts[MBOX_REG_COUNT];
goto exit_get_fwddb;
}
if (fw_ddb_entry) {
- dev_info(&ha->pdev->dev, "DDB[%d] MB0 %04x Tot %d Next %d "
- "State %04x ConnErr %08x %d.%d.%d.%d:%04d \"%s\"\n",
- fw_ddb_index, mbox_sts[0], mbox_sts[2], mbox_sts[3],
- mbox_sts[4], mbox_sts[5], fw_ddb_entry->ip_addr[0],
- fw_ddb_entry->ip_addr[1], fw_ddb_entry->ip_addr[2],
- fw_ddb_entry->ip_addr[3],
- le16_to_cpu(fw_ddb_entry->port),
- fw_ddb_entry->iscsi_name);
+ options = le16_to_cpu(fw_ddb_entry->options);
+ if (options & DDB_OPT_IPV6_DEVICE) {
+ dev_info(&ha->pdev->dev, "%s: DDB[%d] MB0 %04x Tot %d "
+ "Next %d State %04x ConnErr %08x %pI6 "
+ ":%04d \"%s\"\n", __func__, fw_ddb_index,
+ mbox_sts[0], mbox_sts[2], mbox_sts[3],
+ mbox_sts[4], mbox_sts[5],
+ fw_ddb_entry->ip_addr,
+ le16_to_cpu(fw_ddb_entry->port),
+ fw_ddb_entry->iscsi_name);
+ } else {
+ dev_info(&ha->pdev->dev, "%s: DDB[%d] MB0 %04x Tot %d "
+ "Next %d State %04x ConnErr %08x %pI4 "
+ ":%04d \"%s\"\n", __func__, fw_ddb_index,
+ mbox_sts[0], mbox_sts[2], mbox_sts[3],
+ mbox_sts[4], mbox_sts[5],
+ fw_ddb_entry->ip_addr,
+ le16_to_cpu(fw_ddb_entry->port),
+ fw_ddb_entry->iscsi_name);
+ }
}
if (num_valid_ddb_entries)
*num_valid_ddb_entries = mbox_sts[2];
if (conn_err_detail)
*conn_err_detail = mbox_sts[5];
if (tcp_source_port_num)
- *tcp_source_port_num = (uint16_t) mbox_sts[6] >> 16;
+ *tcp_source_port_num = (uint16_t) (mbox_sts[6] >> 16);
if (connection_id)
*connection_id = (uint16_t) mbox_sts[6] & 0x00FF;
status = QLA_SUCCESS;
}
/**
+ * qla4xxx_abort_task - issues Abort Task
+ * @ha: Pointer to host adapter structure.
+ * @srb: Pointer to srb entry
+ *
+ * This routine performs a LUN RESET on the specified target/lun.
+ * The caller must ensure that the ddb_entry and lun_entry pointers
+ * are valid before calling this routine.
+ **/
+ int qla4xxx_abort_task(struct scsi_qla_host *ha, struct srb *srb)
+ {
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+ struct scsi_cmnd *cmd = srb->cmd;
+ int status = QLA_SUCCESS;
+ unsigned long flags = 0;
+ uint32_t index;
+
+ /*
+ * Send abort task command to ISP, so that the ISP will return
+ * request with ABORT status
+ */
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ index = (unsigned long)(unsigned char *)cmd->host_scribble;
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ /* Firmware already posted completion on response queue */
+ if (index == MAX_SRBS)
+ return status;
+
+ mbox_cmd[0] = MBOX_CMD_ABORT_TASK;
+ mbox_cmd[1] = srb->fw_ddb_index;
+ mbox_cmd[2] = index;
+ /* Immediate Command Enable */
+ mbox_cmd[5] = 0x01;
+
+ qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 5, &mbox_cmd[0],
+ &mbox_sts[0]);
+ if (mbox_sts[0] != MBOX_STS_COMMAND_COMPLETE) {
+ status = QLA_ERROR;
+
+ DEBUG2(printk(KERN_WARNING "scsi%ld:%d:%d: abort task FAILED: "
+ "mbx0=%04X, mb1=%04X, mb2=%04X, mb3=%04X, mb4=%04X\n",
+ ha->host_no, cmd->device->id, cmd->device->lun, mbox_sts[0],
+ mbox_sts[1], mbox_sts[2], mbox_sts[3], mbox_sts[4]));
+ }
+
+ return status;
+ }
+
+ /**
* qla4xxx_reset_lun - issues LUN Reset
* @ha: Pointer to host adapter structure.
* @db_entry: Pointer to device database entry
* SAS disks.
*
*
- * For documentation see http://www.torque.net/sg/sdebug26.html
+ * For documentation see http://sg.danny.cz/sg/sdebug26.html
*
* D. Gilbert (dpg) work for Magneto-Optical device test [20010421]
* dpg: work for devfs large number of disks [20010809]
#include "sd.h"
#include "scsi_logging.h"
- #define SCSI_DEBUG_VERSION "1.81"
- static const char * scsi_debug_version_date = "20070104";
+ #define SCSI_DEBUG_VERSION "1.82"
+ static const char * scsi_debug_version_date = "20100324";
/* Additional Sense Code (ASC) */
#define NO_ADDITIONAL_SENSE 0x0
#define DEF_ATO 1
#define DEF_PHYSBLK_EXP 0
#define DEF_LOWEST_ALIGNED 0
+ #define DEF_OPT_BLKS 64
#define DEF_UNMAP_MAX_BLOCKS 0
#define DEF_UNMAP_MAX_DESC 0
#define DEF_UNMAP_GRANULARITY 0
#define SAM2_LUN_ADDRESS_METHOD 0
#define SAM2_WLUN_REPORT_LUNS 0xc101
+ /* Can queue up to this number of commands. Typically commands that
+ * that have a non-zero delay are queued. */
+ #define SCSI_DEBUG_CANQUEUE 255
+
static int scsi_debug_add_host = DEF_NUM_HOST;
static int scsi_debug_delay = DEF_DELAY;
static int scsi_debug_dev_size_mb = DEF_DEV_SIZE_MB;
static int scsi_debug_every_nth = DEF_EVERY_NTH;
static int scsi_debug_max_luns = DEF_MAX_LUNS;
+ static int scsi_debug_max_queue = SCSI_DEBUG_CANQUEUE;
static int scsi_debug_num_parts = DEF_NUM_PARTS;
+ static int scsi_debug_no_uld = 0;
static int scsi_debug_num_tgts = DEF_NUM_TGTS; /* targets per host */
static int scsi_debug_opts = DEF_OPTS;
static int scsi_debug_scsi_level = DEF_SCSI_LEVEL;
static int scsi_debug_ato = DEF_ATO;
static int scsi_debug_physblk_exp = DEF_PHYSBLK_EXP;
static int scsi_debug_lowest_aligned = DEF_LOWEST_ALIGNED;
+ static int scsi_debug_opt_blks = DEF_OPT_BLKS;
static int scsi_debug_unmap_max_desc = DEF_UNMAP_MAX_DESC;
static int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS;
static int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY;
#define SDEBUG_SENSE_LEN 32
- #define SCSI_DEBUG_CANQUEUE 255
#define SCSI_DEBUG_MAX_CMD_LEN 32
struct sdebug_dev_info {
unsigned int gran;
memcpy(arr, vpdb0_data, sizeof(vpdb0_data));
+
+ /* Optimal transfer length granularity */
gran = 1 << scsi_debug_physblk_exp;
arr[2] = (gran >> 8) & 0xff;
arr[3] = gran & 0xff;
+
+ /* Maximum Transfer Length */
if (sdebug_store_sectors > 0x400) {
arr[4] = (sdebug_store_sectors >> 24) & 0xff;
arr[5] = (sdebug_store_sectors >> 16) & 0xff;
arr[7] = sdebug_store_sectors & 0xff;
}
+ /* Optimal Transfer Length */
+ put_unaligned_be32(scsi_debug_opt_blks, &arr[8]);
+
if (scsi_debug_unmap_max_desc) {
unsigned int blocks;
else
blocks = 0xffffffff;
+ /* Maximum Unmap LBA Count */
put_unaligned_be32(blocks, &arr[16]);
+
+ /* Maximum Unmap Block Descriptor Count */
put_unaligned_be32(scsi_debug_unmap_max_desc, &arr[20]);
}
+ /* Unmap Granularity Alignment */
if (scsi_debug_unmap_alignment) {
put_unaligned_be32(scsi_debug_unmap_alignment, &arr[28]);
arr[28] |= 0x80; /* UGAVALID */
}
+ /* Optimal Unmap Granularity */
if (scsi_debug_unmap_granularity) {
put_unaligned_be32(scsi_debug_unmap_granularity, &arr[24]);
return 0x3c; /* Mandatory page length for thin provisioning */
static sector_t get_sdebug_capacity(void)
{
if (scsi_debug_virtual_gb > 0)
- return 2048 * 1024 * (sector_t)scsi_debug_virtual_gb;
+ return (sector_t)scsi_debug_virtual_gb *
+ (1073741824 / scsi_debug_sector_size);
else
return sdebug_store_sectors;
}
struct sdebug_queued_cmd * sqcp;
unsigned long iflags;
- if (indx >= SCSI_DEBUG_CANQUEUE) {
+ if (indx >= scsi_debug_max_queue) {
printk(KERN_ERR "scsi_debug:timer_intr_handler: indx too "
"large\n");
return;
scsi_adjust_queue_depth(sdp, SDEBUG_TAGGED_QUEUING,
sdp->host->cmd_per_lun);
blk_queue_max_segment_size(sdp->request_queue, 256 * 1024);
+ if (scsi_debug_no_uld)
+ sdp->no_uld_attach = 1;
return 0;
}
struct sdebug_queued_cmd *sqcp;
spin_lock_irqsave(&queued_arr_lock, iflags);
- for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+ for (k = 0; k < scsi_debug_max_queue; ++k) {
sqcp = &queued_arr[k];
if (sqcp->in_use && (cmnd == sqcp->a_cmnd)) {
del_timer_sync(&sqcp->cmnd_timer);
}
}
spin_unlock_irqrestore(&queued_arr_lock, iflags);
- return (k < SCSI_DEBUG_CANQUEUE) ? 1 : 0;
+ return (k < scsi_debug_max_queue) ? 1 : 0;
}
/* Deletes (stops) timers of all queued commands */
struct sdebug_queued_cmd *sqcp;
spin_lock_irqsave(&queued_arr_lock, iflags);
- for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+ for (k = 0; k < scsi_debug_max_queue; ++k) {
sqcp = &queued_arr[k];
if (sqcp->in_use && sqcp->a_cmnd) {
del_timer_sync(&sqcp->cmnd_timer);
struct sdebug_queued_cmd * sqcp;
spin_lock_irqsave(&queued_arr_lock, iflags);
- for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+ for (k = 0; k < scsi_debug_max_queue; ++k) {
sqcp = &queued_arr[k];
init_timer(&sqcp->cmnd_timer);
sqcp->in_use = 0;
struct sdebug_queued_cmd * sqcp = NULL;
spin_lock_irqsave(&queued_arr_lock, iflags);
- for (k = 0; k < SCSI_DEBUG_CANQUEUE; ++k) {
+ for (k = 0; k < scsi_debug_max_queue; ++k) {
sqcp = &queued_arr[k];
if (! sqcp->in_use)
break;
}
- if (k >= SCSI_DEBUG_CANQUEUE) {
+ if (k >= scsi_debug_max_queue) {
spin_unlock_irqrestore(&queued_arr_lock, iflags);
printk(KERN_WARNING "scsi_debug: can_queue exceeded\n");
return 1; /* report busy to mid level */
module_param_named(every_nth, scsi_debug_every_nth, int, S_IRUGO | S_IWUSR);
module_param_named(fake_rw, scsi_debug_fake_rw, int, S_IRUGO | S_IWUSR);
module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR);
+ module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR);
module_param_named(no_lun_0, scsi_debug_no_lun_0, int, S_IRUGO | S_IWUSR);
+ module_param_named(no_uld, scsi_debug_no_uld, int, S_IRUGO);
module_param_named(num_parts, scsi_debug_num_parts, int, S_IRUGO);
module_param_named(num_tgts, scsi_debug_num_tgts, int, S_IRUGO | S_IWUSR);
module_param_named(opts, scsi_debug_opts, int, S_IRUGO | S_IWUSR);
module_param_named(guard, scsi_debug_guard, int, S_IRUGO);
module_param_named(ato, scsi_debug_ato, int, S_IRUGO);
module_param_named(physblk_exp, scsi_debug_physblk_exp, int, S_IRUGO);
+ module_param_named(opt_blks, scsi_debug_opt_blks, int, S_IRUGO);
module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO);
module_param_named(unmap_max_blocks, scsi_debug_unmap_max_blocks, int, S_IRUGO);
module_param_named(unmap_max_desc, scsi_debug_unmap_max_desc, int, S_IRUGO);
MODULE_PARM_DESC(every_nth, "timeout every nth command(def=0)");
MODULE_PARM_DESC(fake_rw, "fake reads/writes instead of copying (def=0)");
MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)");
+ MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))");
MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
+ MODULE_PARM_DESC(no_uld, "stop ULD (e.g. sd driver) attaching (def=0))");
MODULE_PARM_DESC(num_parts, "number of partitions(def=0)");
MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)");
MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
MODULE_PARM_DESC(vpd_use_hostno, "0 -> dev ids ignore hostno (def=1 -> unique dev ids)");
MODULE_PARM_DESC(sector_size, "logical block size in bytes (def=512)");
MODULE_PARM_DESC(physblk_exp, "physical block exponent (def=0)");
+ MODULE_PARM_DESC(opt_blks, "optimal transfer length in block (def=64)");
MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)");
MODULE_PARM_DESC(dix, "data integrity extensions mask (def=0)");
MODULE_PARM_DESC(dif, "data integrity field type: 0-3 (def=0)");
DRIVER_ATTR(max_luns, S_IRUGO | S_IWUSR, sdebug_max_luns_show,
sdebug_max_luns_store);
+ static ssize_t sdebug_max_queue_show(struct device_driver * ddp, char * buf)
+ {
+ return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_max_queue);
+ }
+ static ssize_t sdebug_max_queue_store(struct device_driver * ddp,
+ const char * buf, size_t count)
+ {
+ int n;
+
+ if ((count > 0) && (1 == sscanf(buf, "%d", &n)) && (n > 0) &&
+ (n <= SCSI_DEBUG_CANQUEUE)) {
+ scsi_debug_max_queue = n;
+ return count;
+ }
+ return -EINVAL;
+ }
+ DRIVER_ATTR(max_queue, S_IRUGO | S_IWUSR, sdebug_max_queue_show,
+ sdebug_max_queue_store);
+
+ static ssize_t sdebug_no_uld_show(struct device_driver * ddp, char * buf)
+ {
+ return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_no_uld);
+ }
+ DRIVER_ATTR(no_uld, S_IRUGO, sdebug_no_uld_show, NULL);
+
static ssize_t sdebug_scsi_level_show(struct device_driver * ddp, char * buf)
{
return scnprintf(buf, PAGE_SIZE, "%d\n", scsi_debug_scsi_level);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_fake_rw);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
+ ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_max_queue);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_no_lun_0);
+ ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_no_uld);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
ret |= driver_create_file(&sdebug_driverfs_driver, &driver_attr_ptype);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_ptype);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_num_tgts);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_num_parts);
+ driver_remove_file(&sdebug_driverfs_driver, &driver_attr_no_uld);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_no_lun_0);
+ driver_remove_file(&sdebug_driverfs_driver, &driver_attr_max_queue);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_max_luns);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_fake_rw);
driver_remove_file(&sdebug_driverfs_driver, &driver_attr_every_nth);
sdbg_host = to_sdebug_host(dev);
- hpnt = scsi_host_alloc(&sdebug_driver_template, sizeof(sdbg_host));
- if (NULL == hpnt) {
- printk(KERN_ERR "%s: scsi_register failed\n", __func__);
- error = -ENODEV;
+ sdebug_driver_template.can_queue = scsi_debug_max_queue;
+ hpnt = scsi_host_alloc(&sdebug_driver_template, sizeof(sdbg_host));
+ if (NULL == hpnt) {
+ printk(KERN_ERR "%s: scsi_register failed\n", __func__);
+ error = -ENODEV;
return error;
- }
+ }
sdbg_host->shost = hpnt;
*((struct sdebug_host_info **)hpnt->hostdata) = sdbg_host;
#include "scsi_logging.h"
#include "scsi_transport_api.h"
+ #include <trace/events/scsi.h>
+
#define SENSE_TIMEOUT (10*HZ)
/*
void scsi_eh_wakeup(struct Scsi_Host *shost)
{
if (shost->host_busy == shost->host_failed) {
+ trace_scsi_eh_wakeup(shost);
wake_up_process(shost->ehandler);
SCSI_LOG_ERROR_RECOVERY(5,
printk("Waking error handler thread\n"));
struct scsi_cmnd *scmd = req->special;
enum blk_eh_timer_return rtn = BLK_EH_NOT_HANDLED;
+ trace_scsi_dispatch_cmd_timeout(scmd);
scsi_log_completion(scmd, TIMEOUT_ERROR);
if (scmd->device->host->transportt->eh_timed_out)
if (scmd->device->allow_restart &&
(sshdr.asc == 0x04) && (sshdr.ascq == 0x02))
return FAILED;
- return SUCCESS;
+
+ if (blk_barrier_rq(scmd->request))
+ /*
+ * barrier requests should always retry on UA
+ * otherwise block will get a spurious error
+ */
+ return NEEDS_RETRY;
+ else
+ /*
+ * for normal (non barrier) commands, pass the
+ * UA upwards for a determination in the
+ * completion functions
+ */
+ return SUCCESS;
/* these three are not supported */
case COPY_ABORTED:
"0x%p\n", current->comm,
scmd));
rtn = scsi_try_to_abort_cmd(scmd);
- if (rtn == SUCCESS) {
+ if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
scmd->eh_eflags &= ~SCSI_EH_CANCEL_CMD;
if (!scsi_device_online(scmd->device) ||
+ rtn == FAST_IO_FAIL ||
!scsi_eh_tur(scmd)) {
scsi_eh_finish_cmd(scmd, done_q);
}
" 0x%p\n", current->comm,
sdev));
rtn = scsi_try_bus_device_reset(bdr_scmd);
- if (rtn == SUCCESS) {
+ if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
if (!scsi_device_online(sdev) ||
+ rtn == FAST_IO_FAIL ||
!scsi_eh_tur(bdr_scmd)) {
list_for_each_entry_safe(scmd, next,
work_q, eh_entry) {
"to target %d\n",
current->comm, id));
rtn = scsi_try_target_reset(tgtr_scmd);
- if (rtn == SUCCESS) {
+ if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (id == scmd_id(scmd))
if (!scsi_device_online(scmd->device) ||
+ rtn == FAST_IO_FAIL ||
!scsi_eh_tur(tgtr_scmd))
scsi_eh_finish_cmd(scmd,
done_q);
" %d\n", current->comm,
channel));
rtn = scsi_try_bus_reset(chan_scmd);
- if (rtn == SUCCESS) {
+ if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (channel == scmd_channel(scmd))
if (!scsi_device_online(scmd->device) ||
+ rtn == FAST_IO_FAIL ||
!scsi_eh_tur(scmd))
scsi_eh_finish_cmd(scmd,
done_q);
, current->comm));
rtn = scsi_try_host_reset(scmd);
- if (rtn == SUCCESS) {
+ if (rtn == SUCCESS || rtn == FAST_IO_FAIL) {
list_for_each_entry_safe(scmd, next, work_q, eh_entry) {
if (!scsi_device_online(scmd->device) ||
+ rtn == FAST_IO_FAIL ||
(!scsi_eh_try_stu(scmd) && !scsi_eh_tur(scmd)) ||
!scsi_eh_tur(scmd))
scsi_eh_finish_cmd(scmd, done_q);
{
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->timeout = SD_TIMEOUT;
+ rq->retries = SD_MAX_RETRIES;
rq->cmd[0] = SYNCHRONIZE_CACHE;
rq->cmd_len = 10;
}
#error RC16_LEN must not be more than SD_BUF_SIZE
#endif
+ #define READ_CAPACITY_RETRIES_ON_RESET 10
+
static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp,
unsigned char *buffer)
{
struct scsi_sense_hdr sshdr;
int sense_valid = 0;
int the_result;
- int retries = 3;
+ int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
unsigned int alignment;
unsigned long long lba;
unsigned sector_size;
* Invalid Field in CDB, just retry
* silently with RC10 */
return -EINVAL;
+ if (sense_valid &&
+ sshdr.sense_key == UNIT_ATTENTION &&
+ sshdr.asc == 0x29 && sshdr.ascq == 0x00)
+ /* Device reset might occur several times,
+ * give it one more chance */
+ if (--reset_retries > 0)
+ continue;
}
retries--;
struct scsi_sense_hdr sshdr;
int sense_valid = 0;
int the_result;
- int retries = 3;
+ int retries = 3, reset_retries = READ_CAPACITY_RETRIES_ON_RESET;
sector_t lba;
unsigned sector_size;
if (media_not_present(sdkp, &sshdr))
return -ENODEV;
- if (the_result)
+ if (the_result) {
sense_valid = scsi_sense_valid(&sshdr);
+ if (sense_valid &&
+ sshdr.sense_key == UNIT_ATTENTION &&
+ sshdr.asc == 0x29 && sshdr.ascq == 0x00)
+ /* Device reset might occur several times,
+ * give it one more chance */
+ if (--reset_retries > 0)
+ continue;
+ }
retries--;
} while (the_result && retries);
static int sd_try_rc16_first(struct scsi_device *sdp)
{
+ if (sdp->host->max_cmd_len < 16)
+ return 0;
if (sdp->scsi_level > SCSI_SPC_2)
return 1;
if (scsi_device_protection(sdp))
blk_queue_prep_rq(sdp->request_queue, sd_prep_fn);
gd->driverfs_dev = &sdp->sdev_gendev;
- gd->flags = GENHD_FL_EXT_DEVT | GENHD_FL_DRIVERFS;
+ gd->flags = GENHD_FL_EXT_DEVT;
if (sdp->removable)
gd->flags |= GENHD_FL_REMOVABLE;
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff