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[SCSI] be2iscsi: Adding Ring Mode Wrb's V3

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This patch adds support for ring based wrbs

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Jayamohan Kallickal 2009-10-23 11:53:49 +05:30 • committed by James Bottomley
parent bfead3b2cb
commit 35e6601903
3 changed files with 169 additions and 48 deletions
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6
drivers/scsi/be2iscsi/be_cmds.c
View file

@ -125,7 +125,7 @@ static void beiscsi_cq_notify(struct beiscsi_hba *phba, u16 qid, bool arm,
} }
int be_process_mcc(struct beiscsi_hba *phba) int beiscsi_process_mcc(struct beiscsi_hba *phba)
{ {
struct be_mcc_compl *compl; struct be_mcc_compl *compl;
int num = 0, status = 0; int num = 0, status = 0;
@ -161,7 +161,7 @@ static int be_mcc_wait_compl(struct beiscsi_hba *phba)
#define mcc_timeout 120000 /* 5s timeout */ #define mcc_timeout 120000 /* 5s timeout */
int i, status; int i, status;
for (i = 0; i < mcc_timeout; i++) { for (i = 0; i < mcc_timeout; i++) {
status = be_process_mcc(phba); status = beiscsi_process_mcc(phba);
if (status) if (status)
return status; return status;
@ -504,7 +504,7 @@ static u32 be_encoded_q_len(int q_len)
return len_encoded; return len_encoded;
} }
int be_cmd_mccq_create(struct beiscsi_hba *phba, int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
struct be_queue_info *mccq, struct be_queue_info *mccq,
struct be_queue_info *cq) struct be_queue_info *cq)
{ {

2
drivers/scsi/be2iscsi/be_cmds.h
View file

@ -418,7 +418,7 @@ int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q, int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
int type); int type);
int be_cmd_mccq_create(struct beiscsi_hba *phba, int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
struct be_queue_info *mccq, struct be_queue_info *mccq,
struct be_queue_info *cq); struct be_queue_info *cq);

209
drivers/scsi/be2iscsi/be_main.c
View file

@ -40,6 +40,7 @@
static unsigned int be_iopoll_budget = 10; static unsigned int be_iopoll_budget = 10;
static unsigned int be_max_phys_size = 64; static unsigned int be_max_phys_size = 64;
static unsigned int enable_msix = 1; static unsigned int enable_msix = 1;
static unsigned int ring_mode;
MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table); MODULE_DEVICE_TABLE(pci, beiscsi_pci_id_table);
MODULE_DESCRIPTION(DRV_DESC " " BUILD_STR); MODULE_DESCRIPTION(DRV_DESC " " BUILD_STR);
@ -670,8 +671,9 @@ static void
free_wrb_handle(struct beiscsi_hba *phba, struct hwi_wrb_context *pwrb_context, free_wrb_handle(struct beiscsi_hba *phba, struct hwi_wrb_context *pwrb_context,
struct wrb_handle *pwrb_handle) struct wrb_handle *pwrb_handle)
{ {
if (!ring_mode)
pwrb_context->pwrb_handle_base[pwrb_context->free_index] = pwrb_handle; pwrb_context->pwrb_handle_base[pwrb_context->free_index] =
pwrb_handle;
pwrb_context->wrb_handles_available++; pwrb_context->wrb_handles_available++;
if (pwrb_context->free_index == (phba->params.wrbs_per_cxn - 1)) if (pwrb_context->free_index == (phba->params.wrbs_per_cxn - 1))
pwrb_context->free_index = 0; pwrb_context->free_index = 0;
@ -857,6 +859,7 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn,
{ {
struct hwi_wrb_context *pwrb_context; struct hwi_wrb_context *pwrb_context;
struct wrb_handle *pwrb_handle = NULL; struct wrb_handle *pwrb_handle = NULL;
struct sgl_handle *psgl_handle = NULL;
struct hwi_controller *phwi_ctrlr; struct hwi_controller *phwi_ctrlr;
struct iscsi_task *task; struct iscsi_task *task;
struct beiscsi_io_task *io_task; struct beiscsi_io_task *io_task;
@ -864,13 +867,23 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn,
struct iscsi_session *session = conn->session; struct iscsi_session *session = conn->session;
phwi_ctrlr = phba->phwi_ctrlr; phwi_ctrlr = phba->phwi_ctrlr;
pwrb_context = &phwi_ctrlr->wrb_context[((psol-> if (ring_mode) {
dw[offsetof(struct amap_sol_cqe, cid) / 32] & psgl_handle = phba->sgl_hndl_array[((psol->
SOL_CID_MASK) >> 6)]; dw[offsetof(struct amap_sol_cqe_ring, icd_index) /
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> 32] & SOL_ICD_INDEX_MASK) >> 6)];
dw[offsetof(struct amap_sol_cqe, wrb_index) / pwrb_context = &phwi_ctrlr->wrb_context[psgl_handle->cid];
32] & SOL_WRB_INDEX_MASK) >> 16)]; task = psgl_handle->task;
task = pwrb_handle->pio_handle; pwrb_handle = NULL;
} else {
pwrb_context = &phwi_ctrlr->wrb_context[((psol->
dw[offsetof(struct amap_sol_cqe, cid) / 32] &
SOL_CID_MASK) >> 6)];
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol->
dw[offsetof(struct amap_sol_cqe, wrb_index) /
32] & SOL_WRB_INDEX_MASK) >> 16)];
task = pwrb_handle->pio_handle;
}
io_task = task->dd_data; io_task = task->dd_data;
spin_lock(&phba->mgmt_sgl_lock); spin_lock(&phba->mgmt_sgl_lock);
free_mgmt_sgl_handle(phba, io_task->psgl_handle); free_mgmt_sgl_handle(phba, io_task->psgl_handle);
@ -910,23 +923,31 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
struct iscsi_wrb *pwrb = NULL; struct iscsi_wrb *pwrb = NULL;
struct hwi_controller *phwi_ctrlr; struct hwi_controller *phwi_ctrlr;
struct iscsi_task *task; struct iscsi_task *task;
struct sgl_handle *psgl_handle = NULL;
unsigned int type; unsigned int type;
struct iscsi_conn *conn = beiscsi_conn->conn; struct iscsi_conn *conn = beiscsi_conn->conn;
struct iscsi_session *session = conn->session; struct iscsi_session *session = conn->session;
phwi_ctrlr = phba->phwi_ctrlr; phwi_ctrlr = phba->phwi_ctrlr;
pwrb_context = &phwi_ctrlr-> if (ring_mode) {
wrb_context[((psol->dw[offsetof psgl_handle = phba->sgl_hndl_array[((psol->
(struct amap_sol_cqe, cid) / 32] dw[offsetof(struct amap_sol_cqe_ring, icd_index) /
& SOL_CID_MASK) >> 6)]; 32] & SOL_ICD_INDEX_MASK) >> 6)];
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol-> task = psgl_handle->task;
dw[offsetof(struct amap_sol_cqe, wrb_index) / type = psgl_handle->type;
32] & SOL_WRB_INDEX_MASK) >> 16)]; } else {
task = pwrb_handle->pio_handle; pwrb_context = &phwi_ctrlr->
pwrb = pwrb_handle->pwrb; wrb_context[((psol->dw[offsetof
type = (pwrb->dw[offsetof(struct amap_iscsi_wrb, type) / 32] & (struct amap_sol_cqe, cid) / 32]
& SOL_CID_MASK) >> 6)];
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol->
dw[offsetof(struct amap_sol_cqe, wrb_index) /
32] & SOL_WRB_INDEX_MASK) >> 16)];
task = pwrb_handle->pio_handle;
pwrb = pwrb_handle->pwrb;
type = (pwrb->dw[offsetof(struct amap_iscsi_wrb, type) / 32] &
WRB_TYPE_MASK) >> 28; WRB_TYPE_MASK) >> 28;
}
spin_lock_bh(&session->lock); spin_lock_bh(&session->lock);
switch (type) { switch (type) {
case HWH_TYPE_IO: case HWH_TYPE_IO:
@ -957,15 +978,24 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
break; break;
default: default:
shost_printk(KERN_WARNING, phba->shost, if (ring_mode)
"In hwi_complete_cmd, unknown type = %d" shost_printk(KERN_WARNING, phba->shost,
"wrb_index 0x%x CID 0x%x\n", type, "In hwi_complete_cmd, unknown type = %d"
((psol->dw[offsetof(struct amap_iscsi_wrb, "icd_index 0x%x CID 0x%x\n", type,
type) / 32] & SOL_WRB_INDEX_MASK) >> 16), ((psol->dw[offsetof(struct amap_sol_cqe_ring,
((psol->dw[offsetof(struct amap_sol_cqe, icd_index) / 32] & SOL_ICD_INDEX_MASK) >> 6),
cid) / 32] & SOL_CID_MASK) >> 6)); psgl_handle->cid);
else
shost_printk(KERN_WARNING, phba->shost,
"In hwi_complete_cmd, unknown type = %d"
"wrb_index 0x%x CID 0x%x\n", type,
((psol->dw[offsetof(struct amap_iscsi_wrb,
type) / 32] & SOL_WRB_INDEX_MASK) >> 16),
((psol->dw[offsetof(struct amap_sol_cqe,
cid) / 32] & SOL_CID_MASK) >> 6));
break; break;
} }
spin_unlock_bh(&session->lock); spin_unlock_bh(&session->lock);
} }
@ -1401,6 +1431,7 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
unsigned int num_processed = 0; unsigned int num_processed = 0;
unsigned int tot_nump = 0; unsigned int tot_nump = 0;
struct beiscsi_conn *beiscsi_conn; struct beiscsi_conn *beiscsi_conn;
struct sgl_handle *psgl_handle = NULL;
struct beiscsi_hba *phba; struct beiscsi_hba *phba;
cq = pbe_eq->cq; cq = pbe_eq->cq;
@ -1411,17 +1442,32 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
CQE_VALID_MASK) { CQE_VALID_MASK) {
be_dws_le_to_cpu(sol, sizeof(struct sol_cqe)); be_dws_le_to_cpu(sol, sizeof(struct sol_cqe));
beiscsi_conn = phba->conn_table[(u32) (sol-> if (ring_mode) {
psgl_handle = phba->sgl_hndl_array[((sol->
dw[offsetof(struct amap_sol_cqe_ring,
icd_index) / 32] & SOL_ICD_INDEX_MASK)
>> 6)];
beiscsi_conn = phba->conn_table[psgl_handle->cid];
if (!beiscsi_conn || !beiscsi_conn->ep) {
shost_printk(KERN_WARNING, phba->shost,
"Connection table empty for cid = %d\n",
psgl_handle->cid);
return 0;
}
} else {
beiscsi_conn = phba->conn_table[(u32) (sol->
dw[offsetof(struct amap_sol_cqe, cid) / 32] & dw[offsetof(struct amap_sol_cqe, cid) / 32] &
SOL_CID_MASK) >> 6]; SOL_CID_MASK) >> 6];
if (!beiscsi_conn || !beiscsi_conn->ep) { if (!beiscsi_conn || !beiscsi_conn->ep) {
shost_printk(KERN_WARNING, phba->shost, shost_printk(KERN_WARNING, phba->shost,
"Connection table empty for cid = %d\n", "Connection table empty for cid = %d\n",
(u32)(sol->dw[offsetof(struct amap_sol_cqe, (u32)(sol->dw[offsetof(struct amap_sol_cqe,
cid) / 32] & SOL_CID_MASK) >> 6); cid) / 32] & SOL_CID_MASK) >> 6);
return 0; return 0;
} }
}
if (num_processed >= 32) { if (num_processed >= 32) {
hwi_ring_cq_db(phba, cq->id, hwi_ring_cq_db(phba, cq->id,
@ -1465,13 +1511,21 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
case CMD_CXN_KILLED_ITT_INVALID: case CMD_CXN_KILLED_ITT_INVALID:
case CMD_CXN_KILLED_SEQ_OUTOFORDER: case CMD_CXN_KILLED_SEQ_OUTOFORDER:
case CMD_CXN_KILLED_INVALID_DATASN_RCVD: case CMD_CXN_KILLED_INVALID_DATASN_RCVD:
SE_DEBUG(DBG_LVL_1, if (ring_mode) {
SE_DEBUG(DBG_LVL_1,
"CQ Error notification for cmd.. "
"code %d cid 0x%x\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, psgl_handle->cid);
} else {
SE_DEBUG(DBG_LVL_1,
"CQ Error notification for cmd.. " "CQ Error notification for cmd.. "
"code %d cid 0x%x\n", "code %d cid 0x%x\n",
sol->dw[offsetof(struct amap_sol_cqe, code) / sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, 32] & CQE_CODE_MASK,
(sol->dw[offsetof(struct amap_sol_cqe, cid) / (sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & SOL_CID_MASK)); 32] & SOL_CID_MASK));
}
break; break;
case UNSOL_DATA_DIGEST_ERROR_NOTIFY: case UNSOL_DATA_DIGEST_ERROR_NOTIFY:
SE_DEBUG(DBG_LVL_1, SE_DEBUG(DBG_LVL_1,
@ -1493,23 +1547,37 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
case CXN_KILLED_OVER_RUN_RESIDUAL: case CXN_KILLED_OVER_RUN_RESIDUAL:
case CXN_KILLED_UNDER_RUN_RESIDUAL: case CXN_KILLED_UNDER_RUN_RESIDUAL:
case CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN: case CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN:
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset CID " if (ring_mode) {
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset CID "
"0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, psgl_handle->cid);
} else {
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset CID "
"0x%x...\n", "0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) / sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, 32] & CQE_CODE_MASK,
sol->dw[offsetof(struct amap_sol_cqe, cid) / sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK); 32] & CQE_CID_MASK);
}
iscsi_conn_failure(beiscsi_conn->conn, iscsi_conn_failure(beiscsi_conn->conn,
ISCSI_ERR_CONN_FAILED); ISCSI_ERR_CONN_FAILED);
break; break;
case CXN_KILLED_RST_SENT: case CXN_KILLED_RST_SENT:
case CXN_KILLED_RST_RCVD: case CXN_KILLED_RST_RCVD:
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset" if (ring_mode) {
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset"
"received/sent on CID 0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, psgl_handle->cid);
} else {
SE_DEBUG(DBG_LVL_1, "CQ Error %d, reset"
"received/sent on CID 0x%x...\n", "received/sent on CID 0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) / sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK, 32] & CQE_CODE_MASK,
sol->dw[offsetof(struct amap_sol_cqe, cid) / sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK); 32] & CQE_CID_MASK);
}
iscsi_conn_failure(beiscsi_conn->conn, iscsi_conn_failure(beiscsi_conn->conn,
ISCSI_ERR_CONN_FAILED); ISCSI_ERR_CONN_FAILED);
break; break;
@ -2674,7 +2742,7 @@ static int be_mcc_queues_create(struct beiscsi_hba *phba,
goto mcc_cq_destroy; goto mcc_cq_destroy;
/* Ask BE to create MCC queue */ /* Ask BE to create MCC queue */
if (be_cmd_mccq_create(phba, q, cq)) if (beiscsi_cmd_mccq_create(phba, q, cq))
goto mcc_q_free; goto mcc_q_free;
return 0; return 0;
@ -2735,6 +2803,10 @@ static int hwi_init_port(struct beiscsi_hba *phba)
goto error; goto error;
} }
if (phba->fw_config.iscsi_features == 0x1)
ring_mode = 1;
else
ring_mode = 0;
status = mgmt_get_fw_config(ctrl, phba); status = mgmt_get_fw_config(ctrl, phba);
if (status != 0) { if (status != 0) {
shost_printk(KERN_ERR, phba->shost, shost_printk(KERN_ERR, phba->shost,
@ -2869,6 +2941,17 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
phba->io_sgl_hndl_avbl = 0; phba->io_sgl_hndl_avbl = 0;
phba->eh_sgl_hndl_avbl = 0; phba->eh_sgl_hndl_avbl = 0;
if (ring_mode) {
phba->sgl_hndl_array = kzalloc(sizeof(struct sgl_handle *) *
phba->params.icds_per_ctrl,
GFP_KERNEL);
if (!phba->sgl_hndl_array) {
shost_printk(KERN_ERR, phba->shost,
"Mem Alloc Failed. Failing to load\n");
return -ENOMEM;
}
}
mem_descr_sglh = phba->init_mem; mem_descr_sglh = phba->init_mem;
mem_descr_sglh += HWI_MEM_SGLH; mem_descr_sglh += HWI_MEM_SGLH;
if (1 == mem_descr_sglh->num_elements) { if (1 == mem_descr_sglh->num_elements) {
@ -2876,6 +2959,8 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
phba->params.ios_per_ctrl, phba->params.ios_per_ctrl,
GFP_KERNEL); GFP_KERNEL);
if (!phba->io_sgl_hndl_base) { if (!phba->io_sgl_hndl_base) {
if (ring_mode)
kfree(phba->sgl_hndl_array);
shost_printk(KERN_ERR, phba->shost, shost_printk(KERN_ERR, phba->shost,
"Mem Alloc Failed. Failing to load\n"); "Mem Alloc Failed. Failing to load\n");
return -ENOMEM; return -ENOMEM;
@ -3060,6 +3145,8 @@ static int beiscsi_init_port(struct beiscsi_hba *phba)
if (hba_setup_cid_tbls(phba)) { if (hba_setup_cid_tbls(phba)) {
shost_printk(KERN_ERR, phba->shost, shost_printk(KERN_ERR, phba->shost,
"Failed in hba_setup_cid_tbls\n"); "Failed in hba_setup_cid_tbls\n");
if (ring_mode)
kfree(phba->sgl_hndl_array);
kfree(phba->io_sgl_hndl_base); kfree(phba->io_sgl_hndl_base);
kfree(phba->eh_sgl_hndl_base); kfree(phba->eh_sgl_hndl_base);
goto do_cleanup_ctrlr; goto do_cleanup_ctrlr;
@ -3110,6 +3197,8 @@ static void beiscsi_clean_port(struct beiscsi_hba *phba)
"mgmt_epfw_cleanup FAILED \n"); "mgmt_epfw_cleanup FAILED \n");
hwi_cleanup(phba); hwi_cleanup(phba);
hwi_purge_eq(phba); hwi_purge_eq(phba);
if (ring_mode)
kfree(phba->sgl_hndl_array);
kfree(phba->io_sgl_hndl_base); kfree(phba->io_sgl_hndl_base);
kfree(phba->eh_sgl_hndl_base); kfree(phba->eh_sgl_hndl_base);
kfree(phba->cid_array); kfree(phba->cid_array);
@ -3194,7 +3283,8 @@ beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn,
be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_target_context_update_wrb)); be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_target_context_update_wrb));
doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK; doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK;
doorbell |= (pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK) if (!ring_mode)
doorbell |= (pwrb_handle->wrb_index & DB_DEF_PDU_WRB_INDEX_MASK)
<< DB_DEF_PDU_WRB_INDEX_SHIFT; << DB_DEF_PDU_WRB_INDEX_SHIFT;
doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT;
@ -3280,7 +3370,14 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
itt = (itt_t) cpu_to_be32(((unsigned int)io_task->pwrb_handle-> itt = (itt_t) cpu_to_be32(((unsigned int)io_task->pwrb_handle->
wrb_index << 16) | (unsigned int) wrb_index << 16) | (unsigned int)
(io_task->psgl_handle->sgl_index)); (io_task->psgl_handle->sgl_index));
io_task->pwrb_handle->pio_handle = task; if (ring_mode) {
phba->sgl_hndl_array[io_task->psgl_handle->sgl_index -
phba->fw_config.iscsi_cid_start] =
io_task->psgl_handle;
io_task->psgl_handle->task = task;
io_task->psgl_handle->cid = beiscsi_conn->beiscsi_conn_cid;
} else
io_task->pwrb_handle->pio_handle = task;
io_task->cmd_bhs->iscsi_hdr.itt = itt; io_task->cmd_bhs->iscsi_hdr.itt = itt;
return 0; return 0;
@ -3363,11 +3460,17 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
ISCSI_OPCODE_SCSI_DATA_OUT); ISCSI_OPCODE_SCSI_DATA_OUT);
AMAP_SET_BITS(struct amap_pdu_data_out, final_bit, AMAP_SET_BITS(struct amap_pdu_data_out, final_bit,
&io_task->cmd_bhs->iscsi_data_pdu, 1); &io_task->cmd_bhs->iscsi_data_pdu, 1);
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = INI_WR_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_WR_CMD); INI_WR_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1); AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1);
} else { } else {
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = INI_RD_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_RD_CMD); INI_RD_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 0); AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 0);
} }
@ -3393,7 +3496,8 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb)); be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb));
doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK; doorbell |= beiscsi_conn->beiscsi_conn_cid & DB_WRB_POST_CID_MASK;
doorbell |= (io_task->pwrb_handle->wrb_index & if (!ring_mode)
doorbell |= (io_task->pwrb_handle->wrb_index &
DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT; DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT;
doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT;
@ -3427,19 +3531,28 @@ static int beiscsi_mtask(struct iscsi_task *task)
switch (task->hdr->opcode & ISCSI_OPCODE_MASK) { switch (task->hdr->opcode & ISCSI_OPCODE_MASK) {
case ISCSI_OP_LOGIN: case ISCSI_OP_LOGIN:
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = TGT_DM_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
TGT_DM_CMD); TGT_DM_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt, pwrb, 1); AMAP_SET_BITS(struct amap_iscsi_wrb, cmdsn_itt, pwrb, 1);
hwi_write_buffer(pwrb, task); hwi_write_buffer(pwrb, task);
break; break;
case ISCSI_OP_NOOP_OUT: case ISCSI_OP_NOOP_OUT:
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = INI_RD_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_RD_CMD); INI_RD_CMD);
hwi_write_buffer(pwrb, task); hwi_write_buffer(pwrb, task);
break; break;
case ISCSI_OP_TEXT: case ISCSI_OP_TEXT:
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = INI_WR_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_WR_CMD); INI_WR_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1); AMAP_SET_BITS(struct amap_iscsi_wrb, dsp, pwrb, 1);
hwi_write_buffer(pwrb, task); hwi_write_buffer(pwrb, task);
@ -3462,13 +3575,19 @@ static int beiscsi_mtask(struct iscsi_task *task)
mgmt_invalidate_icds(phba, mgmt_invalidate_icds(phba,
aborted_io_task->psgl_handle->sgl_index, aborted_io_task->psgl_handle->sgl_index,
cid); cid);
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, if (ring_mode)
io_task->psgl_handle->type = INI_TMF_CMD;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
INI_TMF_CMD); INI_TMF_CMD);
AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
hwi_write_buffer(pwrb, task); hwi_write_buffer(pwrb, task);
break; break;
case ISCSI_OP_LOGOUT: case ISCSI_OP_LOGOUT:
AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0); AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
if (ring_mode)
io_task->psgl_handle->type = HWH_TYPE_LOGOUT;
else
AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb, AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
HWH_TYPE_LOGOUT); HWH_TYPE_LOGOUT);
hwi_write_buffer(pwrb, task); hwi_write_buffer(pwrb, task);
@ -3487,7 +3606,8 @@ static int beiscsi_mtask(struct iscsi_task *task)
be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb)); be_dws_le_to_cpu(pwrb, sizeof(struct iscsi_wrb));
doorbell |= cid & DB_WRB_POST_CID_MASK; doorbell |= cid & DB_WRB_POST_CID_MASK;
doorbell |= (io_task->pwrb_handle->wrb_index & if (!ring_mode)
doorbell |= (io_task->pwrb_handle->wrb_index &
DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT; DB_DEF_PDU_WRB_INDEX_MASK) << DB_DEF_PDU_WRB_INDEX_SHIFT;
doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT; doorbell |= 1 << DB_DEF_PDU_NUM_POSTED_SHIFT;
iowrite32(doorbell, phba->db_va + DB_TXULP0_OFFSET); iowrite32(doorbell, phba->db_va + DB_TXULP0_OFFSET);
@ -3797,6 +3917,7 @@ static int __init beiscsi_module_init(void)
"beiscsi pci driver.\n"); "beiscsi pci driver.\n");
goto unregister_iscsi_transport; goto unregister_iscsi_transport;
} }
ring_mode = 0;
return 0; return 0;
unregister_iscsi_transport: unregister_iscsi_transport: