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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-06 01:02:30 +0000
commit76cb841cb886eef6b3bee341a2266c76578724ad (patch)
treef5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /drivers/net/ethernet/qlogic/qed/qed_cxt.h
parentInitial commit. (diff)
downloadlinux-upstream.tar.xz
linux-upstream.zip
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_cxt.h')
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_cxt.h245
1 files changed, 245 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.h b/drivers/net/ethernet/qlogic/qed/qed_cxt.h
new file mode 100644
index 000000000..758a8b4c0
--- /dev/null
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.h
@@ -0,0 +1,245 @@
+/* QLogic qed NIC Driver
+ * Copyright (c) 2015-2017 QLogic Corporation
+ *
+ * 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.
+ */
+
+#ifndef _QED_CXT_H
+#define _QED_CXT_H
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/qed/qed_if.h>
+#include "qed_hsi.h"
+#include "qed.h"
+
+struct qed_cxt_info {
+ void *p_cxt;
+ u32 iid;
+ enum protocol_type type;
+};
+
+#define MAX_TID_BLOCKS 512
+struct qed_tid_mem {
+ u32 tid_size;
+ u32 num_tids_per_block;
+ u32 waste;
+ u8 *blocks[MAX_TID_BLOCKS]; /* 4K */
+};
+
+/**
+ * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid
+ *
+ *
+ * @param p_hwfn
+ * @param p_info in/out
+ *
+ * @return int
+ */
+int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn,
+ struct qed_cxt_info *p_info);
+
+/**
+ * @brief qed_cxt_get_tid_mem_info
+ *
+ * @param p_hwfn
+ * @param p_info
+ *
+ * @return int
+ */
+int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
+ struct qed_tid_mem *p_info);
+
+#define QED_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI
+#define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE
+#define QED_CXT_FCOE_TID_SEG PROTOCOLID_FCOE
+enum qed_cxt_elem_type {
+ QED_ELEM_CXT,
+ QED_ELEM_SRQ,
+ QED_ELEM_TASK
+};
+
+u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn,
+ enum protocol_type type, u32 *vf_cid);
+
+/**
+ * @brief qed_cxt_set_pf_params - Set the PF params for cxt init
+ *
+ * @param p_hwfn
+ * @param rdma_tasks - requested maximum
+ * @return int
+ */
+int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks);
+
+/**
+ * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters
+ *
+ * @param p_hwfn
+ * @param last_line
+ *
+ * @return int
+ */
+int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *last_line);
+
+/**
+ * @brief qed_cxt_cfg_ilt_compute_excess - how many lines can be decreased
+ *
+ * @param p_hwfn
+ * @param used_lines
+ */
+u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines);
+
+/**
+ * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct
+ *
+ * @param p_hwfn
+ *
+ * @return int
+ */
+int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_cxt_mngr_free
+ *
+ * @param p_hwfn
+ */
+void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map
+ *
+ * @param p_hwfn
+ *
+ * @return int
+ */
+int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_cxt_mngr_setup - Reset the acquired CIDs
+ *
+ * @param p_hwfn
+ */
+void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path.
+ *
+ *
+ *
+ * @param p_hwfn
+ */
+void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn);
+
+/**
+ * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ */
+void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
+/**
+ * @brief qed_qm_init_pf - Initailze the QM PF phase, per path
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ * @param is_pf_loading
+ */
+void qed_qm_init_pf(struct qed_hwfn *p_hwfn,
+ struct qed_ptt *p_ptt, bool is_pf_loading);
+
+/**
+ * @brief Reconfigures QM pf on the fly
+ *
+ * @param p_hwfn
+ * @param p_ptt
+ *
+ * @return int
+ */
+int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
+
+#define QED_CXT_PF_CID (0xff)
+
+/**
+ * @brief qed_cxt_release - Release a cid
+ *
+ * @param p_hwfn
+ * @param cid
+ */
+void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid);
+
+/**
+ * @brief qed_cxt_release - Release a cid belonging to a vf-queue
+ *
+ * @param p_hwfn
+ * @param cid
+ * @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF
+ */
+void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid);
+
+/**
+ * @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type
+ *
+ * @param p_hwfn
+ * @param type
+ * @param p_cid
+ *
+ * @return int
+ */
+int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
+ enum protocol_type type, u32 *p_cid);
+
+/**
+ * @brief _qed_cxt_acquire - Acquire a new cid of a specific protocol type
+ * for a vf-queue
+ *
+ * @param p_hwfn
+ * @param type
+ * @param p_cid
+ * @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF
+ *
+ * @return int
+ */
+int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
+ enum protocol_type type, u32 *p_cid, u8 vfid);
+
+int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
+ enum qed_cxt_elem_type elem_type, u32 iid);
+u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn,
+ enum protocol_type type);
+u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,
+ enum protocol_type type);
+u32 qed_cxt_get_srq_count(struct qed_hwfn *p_hwfn);
+int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto);
+
+#define QED_CTX_WORKING_MEM 0
+#define QED_CTX_FL_MEM 1
+int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn,
+ u32 tid, u8 ctx_type, void **task_ctx);
+#endif