diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_cxt.c')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_cxt.c | 130 |
1 files changed, 121 insertions, 9 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 0c42c240b5cf..d42d03df751a 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -1,9 +1,33 @@ /* QLogic qed NIC Driver - * Copyright (c) 2015 QLogic Corporation + * Copyright (c) 2015-2017 QLogic Corporation * - * This software is available under the terms of the GNU General Public License - * (GPL) Version 2, available from the file COPYING in the main directory of - * this source tree. + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and /or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ #include <linux/types.h> @@ -66,12 +90,14 @@ union conn_context { struct core_conn_context core_ctx; struct eth_conn_context eth_ctx; struct iscsi_conn_context iscsi_ctx; + struct fcoe_conn_context fcoe_ctx; struct roce_conn_context roce_ctx; }; -/* TYPE-0 task context - iSCSI */ +/* TYPE-0 task context - iSCSI, FCOE */ union type0_task_context { struct iscsi_task_context iscsi_ctx; + struct fcoe_task_context fcoe_ctx; }; /* TYPE-1 task context - ROCE */ @@ -216,15 +242,22 @@ struct qed_cxt_mngr { static bool src_proto(enum protocol_type type) { return type == PROTOCOLID_ISCSI || + type == PROTOCOLID_FCOE || type == PROTOCOLID_ROCE; } static bool tm_cid_proto(enum protocol_type type) { return type == PROTOCOLID_ISCSI || + type == PROTOCOLID_FCOE || type == PROTOCOLID_ROCE; } +static bool tm_tid_proto(enum protocol_type type) +{ + return type == PROTOCOLID_FCOE; +} + /* counts the iids for the CDU/CDUC ILT client configuration */ struct qed_cdu_iids { u32 pf_cids; @@ -283,6 +316,22 @@ static void qed_cxt_tm_iids(struct qed_cxt_mngr *p_mngr, iids->pf_cids += p_cfg->cid_count; iids->per_vf_cids += p_cfg->cids_per_vf; } + + if (tm_tid_proto(i)) { + struct qed_tid_seg *segs = p_cfg->tid_seg; + + /* for each segment there is at most one + * protocol for which count is not 0. + */ + for (j = 0; j < NUM_TASK_PF_SEGMENTS; j++) + iids->pf_tids[j] += segs[j].count; + + /* The last array elelment is for the VFs. As for PF + * segments there can be only one protocol for + * which this value is not 0. + */ + iids->per_vf_tids += segs[NUM_TASK_PF_SEGMENTS].count; + } } iids->pf_cids = roundup(iids->pf_cids, TM_ALIGN); @@ -1670,9 +1719,42 @@ static void qed_tm_init_pf(struct qed_hwfn *p_hwfn) /* @@@TBD how to enable the scan for the VFs */ } +static void qed_prs_init_common(struct qed_hwfn *p_hwfn) +{ + if ((p_hwfn->hw_info.personality == QED_PCI_FCOE) && + p_hwfn->pf_params.fcoe_pf_params.is_target) + STORE_RT_REG(p_hwfn, + PRS_REG_SEARCH_RESP_INITIATOR_TYPE_RT_OFFSET, 0); +} + +static void qed_prs_init_pf(struct qed_hwfn *p_hwfn) +{ + struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; + struct qed_conn_type_cfg *p_fcoe; + struct qed_tid_seg *p_tid; + + p_fcoe = &p_mngr->conn_cfg[PROTOCOLID_FCOE]; + + /* If FCoE is active set the MAX OX_ID (tid) in the Parser */ + if (!p_fcoe->cid_count) + return; + + p_tid = &p_fcoe->tid_seg[QED_CXT_FCOE_TID_SEG]; + if (p_hwfn->pf_params.fcoe_pf_params.is_target) { + STORE_RT_REG_AGG(p_hwfn, + PRS_REG_TASK_ID_MAX_TARGET_PF_RT_OFFSET, + p_tid->count); + } else { + STORE_RT_REG_AGG(p_hwfn, + PRS_REG_TASK_ID_MAX_INITIATOR_PF_RT_OFFSET, + p_tid->count); + } +} + void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn) { qed_cdu_init_common(p_hwfn); + qed_prs_init_common(p_hwfn); } void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn) @@ -1684,6 +1766,7 @@ void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn) qed_ilt_init_pf(p_hwfn); qed_src_init_pf(p_hwfn); qed_tm_init_pf(p_hwfn); + qed_prs_init_pf(p_hwfn); } int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, @@ -1861,6 +1944,27 @@ int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn) p_params->num_cons, 1); break; } + case QED_PCI_FCOE: + { + struct qed_fcoe_pf_params *p_params; + + p_params = &p_hwfn->pf_params.fcoe_pf_params; + + if (p_params->num_cons && p_params->num_tasks) { + qed_cxt_set_proto_cid_count(p_hwfn, + PROTOCOLID_FCOE, + p_params->num_cons, + 0); + + qed_cxt_set_proto_tid_count(p_hwfn, PROTOCOLID_FCOE, + QED_CXT_FCOE_TID_SEG, 0, + p_params->num_tasks, true); + } else { + DP_INFO(p_hwfn->cdev, + "Fcoe personality used without setting params!\n"); + } + break; + } case QED_PCI_ISCSI: { struct qed_iscsi_pf_params *p_params; @@ -1903,6 +2007,10 @@ int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, /* Verify the personality */ switch (p_hwfn->hw_info.personality) { + case QED_PCI_FCOE: + proto = PROTOCOLID_FCOE; + seg = QED_CXT_FCOE_TID_SEG; + break; case QED_PCI_ISCSI: proto = PROTOCOLID_ISCSI; seg = QED_CXT_ISCSI_TID_SEG; @@ -2191,15 +2299,19 @@ int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, { struct qed_cxt_mngr *p_mngr = p_hwfn->p_cxt_mngr; struct qed_ilt_client_cfg *p_cli; - struct qed_ilt_cli_blk *p_seg; struct qed_tid_seg *p_seg_info; - u32 proto, seg; - u32 total_lines; - u32 tid_size, ilt_idx; + struct qed_ilt_cli_blk *p_seg; u32 num_tids_per_block; + u32 tid_size, ilt_idx; + u32 total_lines; + u32 proto, seg; /* Verify the personality */ switch (p_hwfn->hw_info.personality) { + case QED_PCI_FCOE: + proto = PROTOCOLID_FCOE; + seg = QED_CXT_FCOE_TID_SEG; + break; case QED_PCI_ISCSI: proto = PROTOCOLID_ISCSI; seg = QED_CXT_ISCSI_TID_SEG; |