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/* QLogic qedr NIC Driver
* Copyright (c) 2015-2016 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 __QEDR_H__
#define __QEDR_H__
#include <linux/pci.h>
#include <rdma/ib_addr.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_roce_if.h>
#include <linux/qed/qede_roce.h>
#include "qedr_hsi.h"
#define QEDR_MODULE_VERSION "8.10.10.0"
#define QEDR_NODE_DESC "QLogic 579xx RoCE HCA"
#define DP_NAME(dev) ((dev)->ibdev.name)
#define DP_DEBUG(dev, module, fmt, ...) \
pr_debug("(%s) " module ": " fmt, \
DP_NAME(dev) ? DP_NAME(dev) : "", ## __VA_ARGS__)
#define QEDR_MSG_INIT "INIT"
#define QEDR_MSG_MISC "MISC"
struct qedr_dev;
struct qedr_cnq {
struct qedr_dev *dev;
struct qed_chain pbl;
struct qed_sb_info *sb;
char name[32];
u64 n_comp;
__le16 *hw_cons_ptr;
u8 index;
};
#define QEDR_MAX_SGID 128
struct qedr_device_attr {
u32 vendor_id;
u32 vendor_part_id;
u32 hw_ver;
u64 fw_ver;
u64 node_guid;
u64 sys_image_guid;
u8 max_cnq;
u8 max_sge;
u16 max_inline;
u32 max_sqe;
u32 max_rqe;
u8 max_qp_resp_rd_atomic_resc;
u8 max_qp_req_rd_atomic_resc;
u64 max_dev_resp_rd_atomic_resc;
u32 max_cq;
u32 max_qp;
u32 max_mr;
u64 max_mr_size;
u32 max_cqe;
u32 max_mw;
u32 max_fmr;
u32 max_mr_mw_fmr_pbl;
u64 max_mr_mw_fmr_size;
u32 max_pd;
u32 max_ah;
u8 max_pkey;
u32 max_srq;
u32 max_srq_wr;
u8 max_srq_sge;
u8 max_stats_queues;
u32 dev_caps;
u64 page_size_caps;
u8 dev_ack_delay;
u32 reserved_lkey;
u32 bad_pkey_counter;
struct qed_rdma_events events;
};
struct qedr_dev {
struct ib_device ibdev;
struct qed_dev *cdev;
struct pci_dev *pdev;
struct net_device *ndev;
enum ib_atomic_cap atomic_cap;
void *rdma_ctx;
struct qedr_device_attr attr;
const struct qed_rdma_ops *ops;
struct qed_int_info int_info;
struct qed_sb_info *sb_array;
struct qedr_cnq *cnq_array;
int num_cnq;
int sb_start;
void __iomem *db_addr;
u64 db_phys_addr;
u32 db_size;
u16 dpi;
union ib_gid *sgid_tbl;
/* Lock for sgid table */
spinlock_t sgid_lock;
u64 guid;
u32 dp_module;
u8 dp_level;
u8 num_hwfns;
};
#define QEDR_MAX_SQ_PBL (0x8000)
#define QEDR_MAX_SQ_PBL_ENTRIES (0x10000 / sizeof(void *))
#define QEDR_SQE_ELEMENT_SIZE (sizeof(struct rdma_sq_sge))
#define QEDR_MAX_SQE_ELEMENTS_PER_SQE (ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \
QEDR_SQE_ELEMENT_SIZE)
#define QEDR_MAX_SQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
QEDR_SQE_ELEMENT_SIZE)
#define QEDR_MAX_SQE ((QEDR_MAX_SQ_PBL_ENTRIES) *\
(RDMA_RING_PAGE_SIZE) / \
(QEDR_SQE_ELEMENT_SIZE) /\
(QEDR_MAX_SQE_ELEMENTS_PER_SQE))
/* RQ */
#define QEDR_MAX_RQ_PBL (0x2000)
#define QEDR_MAX_RQ_PBL_ENTRIES (0x10000 / sizeof(void *))
#define QEDR_RQE_ELEMENT_SIZE (sizeof(struct rdma_rq_sge))
#define QEDR_MAX_RQE_ELEMENTS_PER_RQE (RDMA_MAX_SGE_PER_RQ_WQE)
#define QEDR_MAX_RQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
QEDR_RQE_ELEMENT_SIZE)
#define QEDR_MAX_RQE ((QEDR_MAX_RQ_PBL_ENTRIES) *\
(RDMA_RING_PAGE_SIZE) / \
(QEDR_RQE_ELEMENT_SIZE) /\
(QEDR_MAX_RQE_ELEMENTS_PER_RQE))
#define QEDR_CQE_SIZE (sizeof(union rdma_cqe))
#define QEDR_MAX_CQE_PBL_SIZE (512 * 1024)
#define QEDR_MAX_CQE_PBL_ENTRIES (((QEDR_MAX_CQE_PBL_SIZE) / \
sizeof(u64)) - 1)
#define QEDR_MAX_CQES ((u32)((QEDR_MAX_CQE_PBL_ENTRIES) * \
(QED_CHAIN_PAGE_SIZE) / QEDR_CQE_SIZE))
#define QEDR_ROCE_MAX_CNQ_SIZE (0x4000)
#define QEDR_MAX_PORT (1)
#define QEDR_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)
#define QEDR_ROCE_PKEY_MAX 1
#define QEDR_ROCE_PKEY_TABLE_LEN 1
#define QEDR_ROCE_PKEY_DEFAULT 0xffff
struct qedr_ucontext {
struct ib_ucontext ibucontext;
struct qedr_dev *dev;
struct qedr_pd *pd;
u64 dpi_addr;
u64 dpi_phys_addr;
u32 dpi_size;
u16 dpi;
struct list_head mm_head;
/* Lock to protect mm list */
struct mutex mm_list_lock;
};
struct qedr_mm {
struct {
u64 phy_addr;
unsigned long len;
} key;
struct list_head entry;
};
static inline
struct qedr_ucontext *get_qedr_ucontext(struct ib_ucontext *ibucontext)
{
return container_of(ibucontext, struct qedr_ucontext, ibucontext);
}
static inline struct qedr_dev *get_qedr_dev(struct ib_device *ibdev)
{
return container_of(ibdev, struct qedr_dev, ibdev);
}
#endif
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