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-rw-r--r--drivers/scsi/be2iscsi/be_cmds.c7
-rw-r--r--drivers/scsi/be2iscsi/be_iscsi.c4
-rw-r--r--drivers/scsi/be2iscsi/be_main.c201
-rw-r--r--drivers/scsi/be2iscsi/be_main.h11
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.c14
-rw-r--r--drivers/scsi/be2iscsi/be_mgmt.h8
6 files changed, 163 insertions, 82 deletions
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 67098578fba..cda6642c736 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -32,18 +32,11 @@ void be_mcc_notify(struct beiscsi_hba *phba)
unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)
{
unsigned int tag = 0;
- unsigned int num = 0;
-mcc_tag_rdy:
if (phba->ctrl.mcc_tag_available) {
tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];
phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;
phba->ctrl.mcc_numtag[tag] = 0;
- } else {
- udelay(100);
- num++;
- if (num < mcc_timeout)
- goto mcc_tag_rdy;
}
if (tag) {
phba->ctrl.mcc_tag_available--;
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 29a3aaf35f9..c3928cb8b04 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -482,7 +482,7 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep);
if (!tag) {
SE_DEBUG(DBG_LVL_1,
- "mgmt_invalidate_connection Failed for cid=%d \n",
+ "mgmt_open_connection Failed for cid=%d \n",
beiscsi_ep->ep_cid);
} else {
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
@@ -701,7 +701,7 @@ void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
if (!tag) {
SE_DEBUG(DBG_LVL_1,
"mgmt_invalidate_connection Failed for cid=%d \n",
- beiscsi_ep->ep_cid);
+ beiscsi_ep->ep_cid);
} else {
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 7c22616ab14..fcfb29e02d8 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -58,6 +58,123 @@ static int beiscsi_slave_configure(struct scsi_device *sdev)
return 0;
}
+static int beiscsi_eh_abort(struct scsi_cmnd *sc)
+{
+ struct iscsi_cls_session *cls_session;
+ struct iscsi_task *aborted_task = (struct iscsi_task *)sc->SCp.ptr;
+ struct beiscsi_io_task *aborted_io_task;
+ struct iscsi_conn *conn;
+ struct beiscsi_conn *beiscsi_conn;
+ struct beiscsi_hba *phba;
+ struct iscsi_session *session;
+ struct invalidate_command_table *inv_tbl;
+ unsigned int cid, tag, num_invalidate;
+
+ cls_session = starget_to_session(scsi_target(sc->device));
+ session = cls_session->dd_data;
+
+ spin_lock_bh(&session->lock);
+ if (!aborted_task || !aborted_task->sc) {
+ /* we raced */
+ spin_unlock_bh(&session->lock);
+ return SUCCESS;
+ }
+
+ aborted_io_task = aborted_task->dd_data;
+ if (!aborted_io_task->scsi_cmnd) {
+ /* raced or invalid command */
+ spin_unlock_bh(&session->lock);
+ return SUCCESS;
+ }
+ spin_unlock_bh(&session->lock);
+ conn = aborted_task->conn;
+ beiscsi_conn = conn->dd_data;
+ phba = beiscsi_conn->phba;
+
+ /* invalidate iocb */
+ cid = beiscsi_conn->beiscsi_conn_cid;
+ inv_tbl = phba->inv_tbl;
+ memset(inv_tbl, 0x0, sizeof(*inv_tbl));
+ inv_tbl->cid = cid;
+ inv_tbl->icd = aborted_io_task->psgl_handle->sgl_index;
+ num_invalidate = 1;
+ tag = mgmt_invalidate_icds(phba, inv_tbl, num_invalidate, cid);
+ if (!tag) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "mgmt_invalidate_icds could not be"
+ " submitted\n");
+ return FAILED;
+ } else {
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+ free_mcc_tag(&phba->ctrl, tag);
+ }
+
+ return iscsi_eh_abort(sc);
+}
+
+static int beiscsi_eh_device_reset(struct scsi_cmnd *sc)
+{
+ struct iscsi_task *abrt_task;
+ struct beiscsi_io_task *abrt_io_task;
+ struct iscsi_conn *conn;
+ struct beiscsi_conn *beiscsi_conn;
+ struct beiscsi_hba *phba;
+ struct iscsi_session *session;
+ struct iscsi_cls_session *cls_session;
+ struct invalidate_command_table *inv_tbl;
+ unsigned int cid, tag, i, num_invalidate;
+ int rc = FAILED;
+
+ /* invalidate iocbs */
+ cls_session = starget_to_session(scsi_target(sc->device));
+ session = cls_session->dd_data;
+ spin_lock_bh(&session->lock);
+ if (!session->leadconn || session->state != ISCSI_STATE_LOGGED_IN)
+ goto unlock;
+
+ conn = session->leadconn;
+ beiscsi_conn = conn->dd_data;
+ phba = beiscsi_conn->phba;
+ cid = beiscsi_conn->beiscsi_conn_cid;
+ inv_tbl = phba->inv_tbl;
+ memset(inv_tbl, 0x0, sizeof(*inv_tbl) * BE2_CMDS_PER_CXN);
+ num_invalidate = 0;
+ for (i = 0; i < conn->session->cmds_max; i++) {
+ abrt_task = conn->session->cmds[i];
+ abrt_io_task = abrt_task->dd_data;
+ if (!abrt_task->sc || abrt_task->state == ISCSI_TASK_FREE)
+ continue;
+
+ if (abrt_task->sc->device->lun != abrt_task->sc->device->lun)
+ continue;
+
+ inv_tbl->cid = cid;
+ inv_tbl->icd = abrt_io_task->psgl_handle->sgl_index;
+ num_invalidate++;
+ inv_tbl++;
+ }
+ spin_unlock_bh(&session->lock);
+ inv_tbl = phba->inv_tbl;
+
+ tag = mgmt_invalidate_icds(phba, inv_tbl, num_invalidate, cid);
+ if (!tag) {
+ shost_printk(KERN_WARNING, phba->shost,
+ "mgmt_invalidate_icds could not be"
+ " submitted\n");
+ return FAILED;
+ } else {
+ wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+ phba->ctrl.mcc_numtag[tag]);
+ free_mcc_tag(&phba->ctrl, tag);
+ }
+
+ return iscsi_eh_device_reset(sc);
+unlock:
+ spin_unlock_bh(&session->lock);
+ return rc;
+}
+
/*------------------- PCI Driver operations and data ----------------- */
static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = {
{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@@ -74,12 +191,12 @@ static struct scsi_host_template beiscsi_sht = {
.name = "ServerEngines 10Gbe open-iscsi Initiator Driver",
.proc_name = DRV_NAME,
.queuecommand = iscsi_queuecommand,
- .eh_abort_handler = iscsi_eh_abort,
.change_queue_depth = iscsi_change_queue_depth,
.slave_configure = beiscsi_slave_configure,
.target_alloc = iscsi_target_alloc,
- .eh_device_reset_handler = iscsi_eh_device_reset,
- .eh_target_reset_handler = iscsi_eh_target_reset,
+ .eh_abort_handler = beiscsi_eh_abort,
+ .eh_device_reset_handler = beiscsi_eh_device_reset,
+ .eh_target_reset_handler = iscsi_eh_session_reset,
.sg_tablesize = BEISCSI_SGLIST_ELEMENTS,
.can_queue = BE2_IO_DEPTH,
.this_id = -1,
@@ -242,7 +359,7 @@ static void beiscsi_get_params(struct beiscsi_hba *phba)
+ BE2_TMFS
+ BE2_NOPOUT_REQ));
phba->params.cxns_per_ctrl = phba->fw_config.iscsi_cid_count;
- phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count;;
+ phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count * 2;
phba->params.icds_per_ctrl = phba->fw_config.iscsi_icd_count;;
phba->params.num_sge_per_io = BE2_SGE;
phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ;
@@ -946,14 +1063,18 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
case HWH_TYPE_IO:
case HWH_TYPE_IO_RD:
if ((task->hdr->opcode & ISCSI_OPCODE_MASK) ==
- ISCSI_OP_NOOP_OUT) {
+ ISCSI_OP_NOOP_OUT)
be_complete_nopin_resp(beiscsi_conn, task, psol);
- } else
+ else
be_complete_io(beiscsi_conn, task, psol);
break;
case HWH_TYPE_LOGOUT:
- be_complete_logout(beiscsi_conn, task, psol);
+ if ((task->hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGOUT)
+ be_complete_logout(beiscsi_conn, task, psol);
+ else
+ be_complete_tmf(beiscsi_conn, task, psol);
+
break;
case HWH_TYPE_LOGIN:
@@ -962,10 +1083,6 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
"- Solicited path \n");
break;
- case HWH_TYPE_TMF:
- be_complete_tmf(beiscsi_conn, task, psol);
- break;
-
case HWH_TYPE_NOP:
be_complete_nopin_resp(beiscsi_conn, task, psol);
break;
@@ -2052,7 +2169,7 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba)
num_cxn_wrb = (mem_descr_wrb->mem_array[idx].size) /
((sizeof(struct iscsi_wrb) *
phba->params.wrbs_per_cxn));
- for (index = 0; index < phba->params.cxns_per_ctrl; index += 2) {
+ for (index = 0; index < phba->params.cxns_per_ctrl * 2; index += 2) {
pwrb_context = &phwi_ctrlr->wrb_context[index];
if (num_cxn_wrb) {
for (j = 0; j < phba->params.wrbs_per_cxn; j++) {
@@ -3073,14 +3190,18 @@ static unsigned char hwi_enable_intr(struct beiscsi_hba *phba)
reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK;
SE_DEBUG(DBG_LVL_8, "reg =x%08x addr=%p \n", reg, addr);
iowrite32(reg, addr);
- for (i = 0; i <= phba->num_cpus; i++) {
- eq = &phwi_context->be_eq[i].q;
+ if (!phba->msix_enabled) {
+ eq = &phwi_context->be_eq[0].q;
SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id);
hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1);
+ } else {
+ for (i = 0; i <= phba->num_cpus; i++) {
+ eq = &phwi_context->be_eq[i].q;
+ SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id);
+ hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1);
+ }
}
- } else
- shost_printk(KERN_WARNING, phba->shost,
- "In hwi_enable_intr, Not Enabled \n");
+ }
return true;
}
@@ -3476,19 +3597,13 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
static int beiscsi_mtask(struct iscsi_task *task)
{
- struct beiscsi_io_task *aborted_io_task, *io_task = task->dd_data;
+ struct beiscsi_io_task *io_task = task->dd_data;
struct iscsi_conn *conn = task->conn;
struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct beiscsi_hba *phba = beiscsi_conn->phba;
- struct iscsi_session *session;
struct iscsi_wrb *pwrb = NULL;
- struct hwi_controller *phwi_ctrlr;
- struct hwi_wrb_context *pwrb_context;
- struct wrb_handle *pwrb_handle;
unsigned int doorbell = 0;
- unsigned int i, cid;
- struct iscsi_task *aborted_task;
- unsigned int tag;
+ unsigned int cid;
cid = beiscsi_conn->beiscsi_conn_cid;
pwrb = io_task->pwrb_handle->pwrb;
@@ -3499,6 +3614,7 @@ static int beiscsi_mtask(struct iscsi_task *task)
io_task->pwrb_handle->wrb_index);
AMAP_SET_BITS(struct amap_iscsi_wrb, sgl_icd_idx, pwrb,
io_task->psgl_handle->sgl_index);
+
switch (task->hdr->opcode & ISCSI_OPCODE_MASK) {
case ISCSI_OP_LOGIN:
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
@@ -3523,33 +3639,6 @@ static int beiscsi_mtask(struct iscsi_task *task)
hwi_write_buffer(pwrb, task);
break;
case ISCSI_OP_SCSI_TMFUNC:
- session = conn->session;
- i = ((struct iscsi_tm *)task->hdr)->rtt;
- phwi_ctrlr = phba->phwi_ctrlr;
- pwrb_context = &phwi_ctrlr->wrb_context[cid -
- phba->fw_config.iscsi_cid_start];
- pwrb_handle = pwrb_context->pwrb_handle_basestd[be32_to_cpu(i)
- >> 16];
- aborted_task = pwrb_handle->pio_handle;
- if (!aborted_task)
- return 0;
-
- aborted_io_task = aborted_task->dd_data;
- if (!aborted_io_task->scsi_cmnd)
- return 0;
-
- tag = mgmt_invalidate_icds(phba,
- aborted_io_task->psgl_handle->sgl_index,
- cid);
- if (!tag) {
- shost_printk(KERN_WARNING, phba->shost,
- "mgmt_invalidate_icds could not be"
- " submitted\n");
- } else {
- wait_event_interruptible(phba->ctrl.mcc_wait[tag],
- phba->ctrl.mcc_numtag[tag]);
- free_mcc_tag(&phba->ctrl, tag);
- }
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_TMF_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
@@ -3558,7 +3647,7 @@ static int beiscsi_mtask(struct iscsi_task *task)
case ISCSI_OP_LOGOUT:
AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
- HWH_TYPE_LOGOUT);
+ HWH_TYPE_LOGOUT);
hwi_write_buffer(pwrb, task);
break;
@@ -3584,17 +3673,12 @@ static int beiscsi_mtask(struct iscsi_task *task)
static int beiscsi_task_xmit(struct iscsi_task *task)
{
- struct iscsi_conn *conn = task->conn;
struct beiscsi_io_task *io_task = task->dd_data;
struct scsi_cmnd *sc = task->sc;
- struct beiscsi_conn *beiscsi_conn = conn->dd_data;
struct scatterlist *sg;
int num_sg;
unsigned int writedir = 0, xferlen = 0;
- SE_DEBUG(DBG_LVL_4, "\n cid=%d In beiscsi_task_xmit task=%p conn=%p \t"
- "beiscsi_conn=%p \n", beiscsi_conn->beiscsi_conn_cid,
- task, conn, beiscsi_conn);
if (!sc)
return beiscsi_mtask(task);
@@ -3699,7 +3783,6 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
" Failed in beiscsi_hba_alloc \n");
goto disable_pci;
}
- SE_DEBUG(DBG_LVL_8, " phba = %p \n", phba);
switch (pcidev->device) {
case BE_DEVICE_ID1:
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index c53a80ab796..87ec21280a3 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -257,6 +257,11 @@ struct hba_parameters {
unsigned int num_sge;
};
+struct invalidate_command_table {
+ unsigned short icd;
+ unsigned short cid;
+} __packed;
+
struct beiscsi_hba {
struct hba_parameters params;
struct hwi_controller *phwi_ctrlr;
@@ -329,6 +334,8 @@ struct beiscsi_hba {
struct work_struct work_cqs; /* The work being queued */
struct be_ctrl_info ctrl;
unsigned int generation;
+ struct invalidate_command_table inv_tbl[128];
+
};
struct beiscsi_session {
@@ -491,8 +498,6 @@ struct hwi_async_entry {
struct list_head data_busy_list;
};
-#define BE_MIN_ASYNC_ENTRIES 128
-
struct hwi_async_pdu_context {
struct {
struct be_bus_address pa_base;
@@ -533,7 +538,7 @@ struct hwi_async_pdu_context {
* This is a varying size list! Do not add anything
* after this entry!!
*/
- struct hwi_async_entry async_entry[BE_MIN_ASYNC_ENTRIES];
+ struct hwi_async_entry async_entry[BE2_MAX_SESSIONS * 2];
};
#define PDUCQE_CODE_MASK 0x0000003F
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 317bcd042ce..72617b650a7 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -145,14 +145,15 @@ unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
}
unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
- unsigned int icd, unsigned int cid)
+ struct invalidate_command_table *inv_tbl,
+ unsigned int num_invalidate, unsigned int cid)
{
struct be_dma_mem nonemb_cmd;
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct be_sge *sge;
struct invalidate_commands_params_in *req;
- unsigned int tag = 0;
+ unsigned int i, tag = 0;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
@@ -183,9 +184,12 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
sizeof(*req));
req->ref_handle = 0;
req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
- req->icd_count = 0;
- req->table[req->icd_count].icd = icd;
- req->table[req->icd_count].cid = cid;
+ for (i = 0; i < num_invalidate; i++) {
+ req->table[i].icd = inv_tbl->icd;
+ req->table[i].cid = inv_tbl->cid;
+ req->icd_count++;
+ inv_tbl++;
+ }
sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
sge->len = cpu_to_le32(nonemb_cmd.size);
diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h
index ecead6a5aa5..3d316b82feb 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.h
+++ b/drivers/scsi/be2iscsi/be_mgmt.h
@@ -94,7 +94,8 @@ unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
unsigned short cid,
unsigned int upload_flag);
unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
- unsigned int icd, unsigned int cid);
+ struct invalidate_command_table *inv_tbl,
+ unsigned int num_invalidate, unsigned int cid);
struct iscsi_invalidate_connection_params_in {
struct be_cmd_req_hdr hdr;
@@ -116,11 +117,6 @@ union iscsi_invalidate_connection_params {
struct iscsi_invalidate_connection_params_out response;
} __packed;
-struct invalidate_command_table {
- unsigned short icd;
- unsigned short cid;
-} __packed;
-
struct invalidate_commands_params_in {
struct be_cmd_req_hdr hdr;
unsigned int ref_handle;