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[SCSI] be2iscsi: Use start cid and number of cid and icd from FW

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This patch enablesi be2iscsi to use the start number and number
 of cids/icd provided by FW rather than hard coded values.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Jayamohan Kallickal 2010-01-05 05:04:12 +05:30 committed by James Bottomley
parent 1fe6dbf4d0
commit 7da5087971
4 changed files with 75 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/scsi/be2iscsi/be_iscsi.c
View File

@ -431,9 +431,10 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
}
SE_DEBUG(DBG_LVL_8, "In beiscsi_open_conn, ep_cid=%d ",
beiscsi_ep->ep_cid);
phba->ep_array[beiscsi_ep->ep_cid] = ep;
if (beiscsi_ep->ep_cid >
(phba->fw_config.iscsi_cid_start + phba->params.cxns_per_ctrl)) {
phba->ep_array[beiscsi_ep->ep_cid -
phba->fw_config.iscsi_cid_start] = ep;
if (beiscsi_ep->ep_cid > (phba->fw_config.iscsi_cid_start +
phba->params.cxns_per_ctrl * 2)) {
SE_DEBUG(DBG_LVL_1, "Failed in allocate iscsi cid\n");
return ret;
}

106
drivers/scsi/be2iscsi/be_main.c
View File

@ -230,29 +230,27 @@ static int be_ctrl_init(struct beiscsi_hba *phba, struct pci_dev *pdev)
static void beiscsi_get_params(struct beiscsi_hba *phba)
{
phba->params.ios_per_ctrl = BE2_IO_DEPTH;
phba->params.cxns_per_ctrl = BE2_MAX_SESSIONS;
phba->params.asyncpdus_per_ctrl = BE2_ASYNCPDUS;
phba->params.icds_per_ctrl = BE2_MAX_ICDS / 2;
phba->params.ios_per_ctrl = (phba->fw_config.iscsi_icd_count
- (phba->fw_config.iscsi_cid_count
+ 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.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;
phba->params.defpdu_data_sz = BE2_DEFPDU_DATA_SZ;
phba->params.eq_timer = 64;
phba->params.num_eq_entries =
(((BE2_CMDS_PER_CXN * 2 + BE2_LOGOUTS + BE2_TMFS + BE2_ASYNCPDUS) /
512) + 1) * 512;
(((BE2_CMDS_PER_CXN * 2 + phba->fw_config.iscsi_cid_count * 2
+ BE2_TMFS) / 512) + 1) * 512;
phba->params.num_eq_entries = (phba->params.num_eq_entries < 1024)
? 1024 : phba->params.num_eq_entries;
SE_DEBUG(DBG_LVL_8, "phba->params.num_eq_entries=%d \n",
phba->params.num_eq_entries);
phba->params.num_eq_entries);
phba->params.num_cq_entries =
(((BE2_CMDS_PER_CXN * 2 + BE2_LOGOUTS + BE2_TMFS + BE2_ASYNCPDUS) /
512) + 1) * 512;
SE_DEBUG(DBG_LVL_8,
"phba->params.num_cq_entries=%d BE2_CMDS_PER_CXN=%d"
"BE2_LOGOUTS=%d BE2_TMFS=%d BE2_ASYNCPDUS=%d \n",
phba->params.num_cq_entries, BE2_CMDS_PER_CXN,
BE2_LOGOUTS, BE2_TMFS, BE2_ASYNCPDUS);
(((BE2_CMDS_PER_CXN * 2 + phba->fw_config.iscsi_cid_count * 2
+ BE2_TMFS) / 512) + 1) * 512;
phba->params.wrbs_per_cxn = 256;
}
@ -877,7 +875,8 @@ hwi_complete_drvr_msgs(struct beiscsi_conn *beiscsi_conn,
} else {
pwrb_context = &phwi_ctrlr->wrb_context[((psol->
dw[offsetof(struct amap_sol_cqe, cid) / 32] &
SOL_CID_MASK) >> 6)];
SOL_CID_MASK) >> 6) -
phba->fw_config.iscsi_cid_start];
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol->
dw[offsetof(struct amap_sol_cqe, wrb_index) /
32] & SOL_WRB_INDEX_MASK) >> 16)];
@ -939,7 +938,8 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
pwrb_context = &phwi_ctrlr->
wrb_context[((psol->dw[offsetof
(struct amap_sol_cqe, cid) / 32]
& SOL_CID_MASK) >> 6)];
& SOL_CID_MASK) >> 6) -
phba->fw_config.iscsi_cid_start];
pwrb_handle = pwrb_context->pwrb_handle_basestd[((psol->
dw[offsetof(struct amap_sol_cqe, wrb_index) /
32] & SOL_WRB_INDEX_MASK) >> 16)];
@ -1077,7 +1077,8 @@ hwi_get_async_handle(struct beiscsi_hba *phba,
WARN_ON(!pasync_handle);
pasync_handle->cri = (unsigned short)beiscsi_conn->beiscsi_conn_cid;
pasync_handle->cri = (unsigned short)beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start;
pasync_handle->is_header = is_header;
pasync_handle->buffer_len = ((pdpdu_cqe->
dw[offsetof(struct amap_i_t_dpdu_cqe, dpl) / 32]
@ -1327,9 +1328,10 @@ hwi_fwd_async_msg(struct beiscsi_conn *beiscsi_conn,
}
status = beiscsi_process_async_pdu(beiscsi_conn, phba,
beiscsi_conn->beiscsi_conn_cid,
phdr, hdr_len, pfirst_buffer,
buf_len);
(beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start),
phdr, hdr_len, pfirst_buffer,
buf_len);
if (status == 0)
hwi_free_async_msg(phba, cri);
@ -1456,10 +1458,10 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
}
} else {
beiscsi_conn = phba->conn_table[(u32) (sol->
beiscsi_conn = phba->conn_table[(u32) ((sol->
dw[offsetof(struct amap_sol_cqe, cid) / 32] &
SOL_CID_MASK) >> 6];
SOL_CID_MASK) >> 6) -
phba->fw_config.iscsi_cid_start];
if (!beiscsi_conn || !beiscsi_conn->ep) {
shost_printk(KERN_WARNING, phba->shost,
"Connection table empty for cid = %d\n",
@ -1557,8 +1559,8 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
"0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK,
sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK);
(sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK));
}
iscsi_conn_failure(beiscsi_conn->conn,
ISCSI_ERR_CONN_FAILED);
@ -1575,8 +1577,8 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
"received/sent on CID 0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK,
sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK);
(sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK));
}
iscsi_conn_failure(beiscsi_conn->conn,
ISCSI_ERR_CONN_FAILED);
@ -1586,8 +1588,8 @@ static unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq)
"received on CID 0x%x...\n",
sol->dw[offsetof(struct amap_sol_cqe, code) /
32] & CQE_CODE_MASK,
sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK);
(sol->dw[offsetof(struct amap_sol_cqe, cid) /
32] & CQE_CID_MASK));
break;
}
@ -2383,7 +2385,7 @@ static int beiscsi_create_cqs(struct beiscsi_hba *phba,
&paddr);
if (!cq_vaddress)
goto create_cq_error;
ret = be_fill_queue(cq, phba->params.icds_per_ctrl / 2,
ret = be_fill_queue(cq, phba->params.num_cq_entries,
sizeof(struct sol_cqe), cq_vaddress);
if (ret) {
shost_printk(KERN_ERR, phba->shost,
@ -2634,7 +2636,8 @@ beiscsi_create_wrb_rings(struct beiscsi_hba *phba,
"wrbq create failed.");
return status;
}
phwi_ctrlr->wrb_context[i].cid = phwi_context->be_wrbq[i].id;
phwi_ctrlr->wrb_context[i * 2].cid = phwi_context->be_wrbq[i].
id;
}
kfree(pwrb_arr);
return 0;
@ -2807,12 +2810,6 @@ static int hwi_init_port(struct beiscsi_hba *phba)
ring_mode = 1;
else
ring_mode = 0;
status = mgmt_get_fw_config(ctrl, phba);
if (status != 0) {
shost_printk(KERN_ERR, phba->shost,
"Error getting fw config\n");
goto error;
}
status = beiscsi_create_cqs(phba, phwi_context);
if (status != 0) {
@ -3032,7 +3029,7 @@ static int beiscsi_init_sgl_handle(struct beiscsi_hba *phba)
AMAP_SET_BITS(struct amap_iscsi_sge, addr_lo, pfrag, 0);
pfrag += phba->params.num_sge_per_io;
psgl_handle->sgl_index =
phba->fw_config.iscsi_cid_start + arr_index++;
phba->fw_config.iscsi_icd_start + arr_index++;
}
idx++;
}
@ -3064,7 +3061,7 @@ static int hba_setup_cid_tbls(struct beiscsi_hba *phba)
kfree(phba->cid_array);
return -ENOMEM;
}
new_cid = phba->fw_config.iscsi_icd_start;
new_cid = phba->fw_config.iscsi_cid_start;
for (i = 0; i < phba->params.cxns_per_ctrl; i++) {
phba->cid_array[i] = new_cid;
new_cid += 2;
@ -3219,7 +3216,8 @@ beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn,
* We can always use 0 here because it is reserved by libiscsi for
* login/startup related tasks.
*/
pwrb_handle = alloc_wrb_handle(phba, beiscsi_conn->beiscsi_conn_cid, 0);
pwrb_handle = alloc_wrb_handle(phba, (beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start), 0);
pwrb = (struct iscsi_target_context_update_wrb *)pwrb_handle->pwrb;
memset(pwrb, 0, sizeof(*pwrb));
AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb,
@ -3328,7 +3326,8 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
io_task->bhs_pa.u.a64.address = paddr;
io_task->libiscsi_itt = (itt_t)task->itt;
io_task->pwrb_handle = alloc_wrb_handle(phba,
beiscsi_conn->beiscsi_conn_cid,
beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start,
task->itt);
io_task->conn = beiscsi_conn;
@ -3372,10 +3371,11 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
(io_task->psgl_handle->sgl_index));
if (ring_mode) {
phba->sgl_hndl_array[io_task->psgl_handle->sgl_index -
phba->fw_config.iscsi_cid_start] =
phba->fw_config.iscsi_icd_start] =
io_task->psgl_handle;
io_task->psgl_handle->task = task;
io_task->psgl_handle->cid = beiscsi_conn->beiscsi_conn_cid;
io_task->psgl_handle->cid = beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start;
} else
io_task->pwrb_handle->pio_handle = task;
@ -3384,7 +3384,9 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
free_hndls:
phwi_ctrlr = phba->phwi_ctrlr;
pwrb_context = &phwi_ctrlr->wrb_context[beiscsi_conn->beiscsi_conn_cid];
pwrb_context = &phwi_ctrlr->wrb_context[
beiscsi_conn->beiscsi_conn_cid -
phba->fw_config.iscsi_cid_start];
free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle);
io_task->pwrb_handle = NULL;
pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs,
@ -3404,7 +3406,8 @@ static void beiscsi_cleanup_task(struct iscsi_task *task)
struct hwi_controller *phwi_ctrlr;
phwi_ctrlr = phba->phwi_ctrlr;
pwrb_context = &phwi_ctrlr->wrb_context[beiscsi_conn->beiscsi_conn_cid];
pwrb_context = &phwi_ctrlr->wrb_context[beiscsi_conn->beiscsi_conn_cid
- phba->fw_config.iscsi_cid_start];
if (io_task->pwrb_handle) {
free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle);
io_task->pwrb_handle = NULL;
@ -3561,7 +3564,8 @@ static int beiscsi_mtask(struct iscsi_task *task)
session = conn->session;
i = ((struct iscsi_tm *)task->hdr)->rtt;
phwi_ctrlr = phba->phwi_ctrlr;
pwrb_context = &phwi_ctrlr->wrb_context[cid];
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;
@ -3754,6 +3758,14 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
spin_lock_init(&phba->io_sgl_lock);
spin_lock_init(&phba->mgmt_sgl_lock);
spin_lock_init(&phba->isr_lock);
ret = mgmt_get_fw_config(&phba->ctrl, phba);
if (ret != 0) {
shost_printk(KERN_ERR, phba->shost,
"Error getting fw config\n");
goto free_port;
}
phba->shost->max_id = phba->fw_config.iscsi_cid_count;
phba->shost->can_queue = phba->params.ios_per_ctrl;
beiscsi_get_params(phba);
ret = beiscsi_init_port(phba);
if (ret < 0) {
@ -3859,7 +3871,7 @@ struct iscsi_transport beiscsi_iscsi_transport = {
ISCSI_USERNAME | ISCSI_PASSWORD |
ISCSI_USERNAME_IN | ISCSI_PASSWORD_IN |
ISCSI_FAST_ABORT | ISCSI_ABORT_TMO |
ISCSI_LU_RESET_TMO | ISCSI_TGT_RESET_TMO |
ISCSI_LU_RESET_TMO |
ISCSI_PING_TMO | ISCSI_RECV_TMO |
ISCSI_IFACE_NAME | ISCSI_INITIATOR_NAME,
.host_param_mask = ISCSI_HOST_HWADDRESS | ISCSI_HOST_IPADDRESS |

10
drivers/scsi/be2iscsi/be_main.h
View File

@ -46,23 +46,18 @@
#define OC_DEVICE_ID3 0x712
#define OC_DEVICE_ID4 0x222
#define BE2_MAX_SESSIONS 64
#define BE2_IO_DEPTH 1024
#define BE2_MAX_SESSIONS 256
#define BE2_CMDS_PER_CXN 128
#define BE2_LOGOUTS BE2_MAX_SESSIONS
#define BE2_TMFS 16
#define BE2_NOPOUT_REQ 16
#define BE2_ASYNCPDUS BE2_MAX_SESSIONS
#define BE2_MAX_ICDS 2048
#define BE2_SGE 32
#define BE2_DEFPDU_HDR_SZ 64
#define BE2_DEFPDU_DATA_SZ 8192
#define BE2_IO_DEPTH \
(BE2_MAX_ICDS / 2 - (BE2_LOGOUTS + BE2_TMFS + BE2_NOPOUT_REQ))
#define MAX_CPUS 31
#define BEISCSI_SGLIST_ELEMENTS BE2_SGE
#define BEISCSI_MAX_CMNDS 1024 /* Max IO's per Ctrlr sht->can_queue */
#define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */
#define BEISCSI_MAX_SECTORS 2048 /* scsi_host->max_sectors */
@ -802,7 +797,6 @@ struct hwi_controller {
struct be_ring default_pdu_hdr;
struct be_ring default_pdu_data;
struct hwi_context_memory *phwi_ctxt;
unsigned short cq_errors[CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN];
};
enum hwh_type_enum {

11
drivers/scsi/be2iscsi/be_mgmt.c
View File

@ -48,6 +48,14 @@ unsigned char mgmt_get_fw_config(struct be_ctrl_info *ctrl,
pfw_cfg->ulp[0].sq_base;
phba->fw_config.iscsi_cid_count =
pfw_cfg->ulp[0].sq_count;
if (phba->fw_config.iscsi_cid_count > (BE2_MAX_SESSIONS / 2)) {
status = 1;
shost_printk(KERN_WARNING, phba->shost,
"FW reported MAX CXNS as %d \t"
"Max Supported = %d. Failing to load \n",
phba->fw_config.iscsi_cid_count,
BE2_MAX_SESSIONS);
}
} else {
shost_printk(KERN_WARNING, phba->shost,
"Failed in mgmt_get_fw_config \n");
@ -317,7 +325,8 @@ int mgmt_open_connection(struct beiscsi_hba *phba,
struct tcp_connect_and_offload_out *ptcpcnct_out =
embedded_payload(wrb);
ep = phba->ep_array[ptcpcnct_out->cid];
ep = phba->ep_array[ptcpcnct_out->cid -
phba->fw_config.iscsi_cid_start];
beiscsi_ep = ep->dd_data;
beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
beiscsi_ep->cid_vld = 1;