diff options
Diffstat (limited to 'drivers/scsi/bnx2fc/bnx2fc_hwi.c')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_hwi.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index fa263b5902e1..03ae003d3b85 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c | |||
| @@ -880,6 +880,13 @@ void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe) | |||
| 880 | kref_put(&io_req->refcount, bnx2fc_cmd_release); | 880 | kref_put(&io_req->refcount, bnx2fc_cmd_release); |
| 881 | break; | 881 | break; |
| 882 | 882 | ||
| 883 | case BNX2FC_SEQ_CLEANUP: | ||
| 884 | BNX2FC_IO_DBG(io_req, "cq_compl(0x%x) - seq cleanup resp\n", | ||
| 885 | io_req->xid); | ||
| 886 | bnx2fc_process_seq_cleanup_compl(io_req, task, rx_state); | ||
| 887 | kref_put(&io_req->refcount, bnx2fc_cmd_release); | ||
| 888 | break; | ||
| 889 | |||
| 883 | default: | 890 | default: |
| 884 | printk(KERN_ERR PFX "Invalid cmd_type %d\n", cmd_type); | 891 | printk(KERN_ERR PFX "Invalid cmd_type %d\n", cmd_type); |
| 885 | break; | 892 | break; |
| @@ -1369,6 +1376,96 @@ void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items) | |||
| 1369 | tgt->conn_db->rq_prod = tgt->rq_prod_idx; | 1376 | tgt->conn_db->rq_prod = tgt->rq_prod_idx; |
| 1370 | } | 1377 | } |
| 1371 | 1378 | ||
| 1379 | void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnp_req, | ||
| 1380 | struct fcoe_task_ctx_entry *task, | ||
| 1381 | struct bnx2fc_cmd *orig_io_req, | ||
| 1382 | u32 offset) | ||
| 1383 | { | ||
| 1384 | struct scsi_cmnd *sc_cmd = orig_io_req->sc_cmd; | ||
| 1385 | struct bnx2fc_rport *tgt = seq_clnp_req->tgt; | ||
| 1386 | struct bnx2fc_interface *interface = tgt->port->priv; | ||
| 1387 | struct fcoe_bd_ctx *bd = orig_io_req->bd_tbl->bd_tbl; | ||
| 1388 | struct fcoe_task_ctx_entry *orig_task; | ||
| 1389 | struct fcoe_task_ctx_entry *task_page; | ||
| 1390 | struct fcoe_ext_mul_sges_ctx *sgl; | ||
| 1391 | u8 task_type = FCOE_TASK_TYPE_SEQUENCE_CLEANUP; | ||
| 1392 | u8 orig_task_type; | ||
| 1393 | u16 orig_xid = orig_io_req->xid; | ||
| 1394 | u32 context_id = tgt->context_id; | ||
| 1395 | u64 phys_addr = (u64)orig_io_req->bd_tbl->bd_tbl_dma; | ||
| 1396 | u32 orig_offset = offset; | ||
| 1397 | int bd_count; | ||
| 1398 | int orig_task_idx, index; | ||
| 1399 | int i; | ||
| 1400 | |||
| 1401 | memset(task, 0, sizeof(struct fcoe_task_ctx_entry)); | ||
| 1402 | |||
| 1403 | if (sc_cmd->sc_data_direction == DMA_TO_DEVICE) | ||
| 1404 | orig_task_type = FCOE_TASK_TYPE_WRITE; | ||
| 1405 | else | ||
| 1406 | orig_task_type = FCOE_TASK_TYPE_READ; | ||
| 1407 | |||
| 1408 | /* Tx flags */ | ||
| 1409 | task->txwr_rxrd.const_ctx.tx_flags = | ||
| 1410 | FCOE_TASK_TX_STATE_SEQUENCE_CLEANUP << | ||
| 1411 | FCOE_TCE_TX_WR_RX_RD_CONST_TX_STATE_SHIFT; | ||
| 1412 | /* init flags */ | ||
| 1413 | task->txwr_rxrd.const_ctx.init_flags = task_type << | ||
| 1414 | FCOE_TCE_TX_WR_RX_RD_CONST_TASK_TYPE_SHIFT; | ||
| 1415 | task->txwr_rxrd.const_ctx.init_flags |= FCOE_TASK_CLASS_TYPE_3 << | ||
| 1416 | FCOE_TCE_TX_WR_RX_RD_CONST_CLASS_TYPE_SHIFT; | ||
| 1417 | task->rxwr_txrd.const_ctx.init_flags = context_id << | ||
| 1418 | FCOE_TCE_RX_WR_TX_RD_CONST_CID_SHIFT; | ||
| 1419 | task->rxwr_txrd.const_ctx.init_flags = context_id << | ||
| 1420 | FCOE_TCE_RX_WR_TX_RD_CONST_CID_SHIFT; | ||
| 1421 | |||
| 1422 | task->txwr_rxrd.union_ctx.cleanup.ctx.cleaned_task_id = orig_xid; | ||
| 1423 | |||
| 1424 | task->txwr_rxrd.union_ctx.cleanup.ctx.rolled_tx_seq_cnt = 0; | ||
| 1425 | task->txwr_rxrd.union_ctx.cleanup.ctx.rolled_tx_data_offset = offset; | ||
| 1426 | |||
| 1427 | bd_count = orig_io_req->bd_tbl->bd_valid; | ||
| 1428 | |||
| 1429 | /* obtain the appropriate bd entry from relative offset */ | ||
| 1430 | for (i = 0; i < bd_count; i++) { | ||
| 1431 | if (offset < bd[i].buf_len) | ||
| 1432 | break; | ||
| 1433 | offset -= bd[i].buf_len; | ||
| 1434 | } | ||
| 1435 | phys_addr += (i * sizeof(struct fcoe_bd_ctx)); | ||
| 1436 | |||
| 1437 | if (orig_task_type == FCOE_TASK_TYPE_WRITE) { | ||
| 1438 | task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.lo = | ||
| 1439 | (u32)phys_addr; | ||
| 1440 | task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_addr.hi = | ||
| 1441 | (u32)((u64)phys_addr >> 32); | ||
| 1442 | task->txwr_only.sgl_ctx.sgl.mul_sgl.sgl_size = | ||
| 1443 | bd_count; | ||
| 1444 | task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_off = | ||
| 1445 | offset; /* adjusted offset */ | ||
| 1446 | task->txwr_only.sgl_ctx.sgl.mul_sgl.cur_sge_idx = i; | ||
| 1447 | } else { | ||
| 1448 | orig_task_idx = orig_xid / BNX2FC_TASKS_PER_PAGE; | ||
| 1449 | index = orig_xid % BNX2FC_TASKS_PER_PAGE; | ||
| 1450 | |||
| 1451 | task_page = (struct fcoe_task_ctx_entry *) | ||
| 1452 | interface->hba->task_ctx[orig_task_idx]; | ||
| 1453 | orig_task = &(task_page[index]); | ||
| 1454 | |||
| 1455 | /* Multiple SGEs were used for this IO */ | ||
| 1456 | sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl; | ||
| 1457 | sgl->mul_sgl.cur_sge_addr.lo = (u32)phys_addr; | ||
| 1458 | sgl->mul_sgl.cur_sge_addr.hi = (u32)((u64)phys_addr >> 32); | ||
| 1459 | sgl->mul_sgl.sgl_size = bd_count; | ||
| 1460 | sgl->mul_sgl.cur_sge_off = offset; /*adjusted offset */ | ||
| 1461 | sgl->mul_sgl.cur_sge_idx = i; | ||
| 1462 | |||
| 1463 | memset(&task->rxwr_only.rx_seq_ctx, 0, | ||
| 1464 | sizeof(struct fcoe_rx_seq_ctx)); | ||
| 1465 | task->rxwr_only.rx_seq_ctx.low_exp_ro = orig_offset; | ||
| 1466 | task->rxwr_only.rx_seq_ctx.high_exp_ro = orig_offset; | ||
| 1467 | } | ||
| 1468 | } | ||
| 1372 | void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, | 1469 | void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, |
| 1373 | struct fcoe_task_ctx_entry *task, | 1470 | struct fcoe_task_ctx_entry *task, |
| 1374 | u16 orig_xid) | 1471 | u16 orig_xid) |