544 lines
12 KiB
C
544 lines
12 KiB
C
/*******************************************************************
|
|
* This file is part of the Emulex RoCE Device Driver for *
|
|
* RoCE (RDMA over Converged Ethernet) adapters. *
|
|
* Copyright (C) 2008-2012 Emulex. All rights reserved. *
|
|
* EMULEX and SLI are trademarks of Emulex. *
|
|
* www.emulex.com *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of version 2 of the GNU General *
|
|
* Public License as published by the Free Software Foundation. *
|
|
* This program is distributed in the hope that it will be useful. *
|
|
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
|
|
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
|
|
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
|
|
* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
|
|
* TO BE LEGALLY INVALID. See the GNU General Public License for *
|
|
* more details, a copy of which can be found in the file COPYING *
|
|
* included with this package. *
|
|
*
|
|
* Contact Information:
|
|
* linux-drivers@emulex.com
|
|
*
|
|
* Emulex
|
|
* 3333 Susan Street
|
|
* Costa Mesa, CA 92626
|
|
*******************************************************************/
|
|
|
|
#ifndef __OCRDMA_H__
|
|
#define __OCRDMA_H__
|
|
|
|
#include <linux/mutex.h>
|
|
#include <linux/list.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/pci.h>
|
|
|
|
#include <rdma/ib_verbs.h>
|
|
#include <rdma/ib_user_verbs.h>
|
|
#include <rdma/ib_addr.h>
|
|
|
|
#include <be_roce.h>
|
|
#include "ocrdma_sli.h"
|
|
|
|
#define OCRDMA_ROCE_DRV_VERSION "10.2.287.0u"
|
|
|
|
#define OCRDMA_ROCE_DRV_DESC "Emulex OneConnect RoCE Driver"
|
|
#define OCRDMA_NODE_DESC "Emulex OneConnect RoCE HCA"
|
|
|
|
#define OC_NAME_SH OCRDMA_NODE_DESC "(Skyhawk)"
|
|
#define OC_NAME_UNKNOWN OCRDMA_NODE_DESC "(Unknown)"
|
|
|
|
#define OC_SKH_DEVICE_PF 0x720
|
|
#define OC_SKH_DEVICE_VF 0x728
|
|
#define OCRDMA_MAX_AH 512
|
|
|
|
#define OCRDMA_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)
|
|
|
|
#define convert_to_64bit(lo, hi) ((u64)hi << 32 | (u64)lo)
|
|
|
|
struct ocrdma_dev_attr {
|
|
u8 fw_ver[32];
|
|
u32 vendor_id;
|
|
u32 device_id;
|
|
u16 max_pd;
|
|
u16 max_cq;
|
|
u16 max_cqe;
|
|
u16 max_qp;
|
|
u16 max_wqe;
|
|
u16 max_rqe;
|
|
u16 max_srq;
|
|
u32 max_inline_data;
|
|
int max_send_sge;
|
|
int max_recv_sge;
|
|
int max_srq_sge;
|
|
int max_rdma_sge;
|
|
int max_mr;
|
|
u64 max_mr_size;
|
|
u32 max_num_mr_pbl;
|
|
int max_mw;
|
|
int max_fmr;
|
|
int max_map_per_fmr;
|
|
int max_pages_per_frmr;
|
|
u16 max_ord_per_qp;
|
|
u16 max_ird_per_qp;
|
|
|
|
int device_cap_flags;
|
|
u8 cq_overflow_detect;
|
|
u8 srq_supported;
|
|
|
|
u32 wqe_size;
|
|
u32 rqe_size;
|
|
u32 ird_page_size;
|
|
u8 local_ca_ack_delay;
|
|
u8 ird;
|
|
u8 num_ird_pages;
|
|
};
|
|
|
|
struct ocrdma_dma_mem {
|
|
void *va;
|
|
dma_addr_t pa;
|
|
u32 size;
|
|
};
|
|
|
|
struct ocrdma_pbl {
|
|
void *va;
|
|
dma_addr_t pa;
|
|
};
|
|
|
|
struct ocrdma_queue_info {
|
|
void *va;
|
|
dma_addr_t dma;
|
|
u32 size;
|
|
u16 len;
|
|
u16 entry_size; /* Size of an element in the queue */
|
|
u16 id; /* qid, where to ring the doorbell. */
|
|
u16 head, tail;
|
|
bool created;
|
|
};
|
|
|
|
struct ocrdma_eq {
|
|
struct ocrdma_queue_info q;
|
|
u32 vector;
|
|
int cq_cnt;
|
|
struct ocrdma_dev *dev;
|
|
char irq_name[32];
|
|
};
|
|
|
|
struct ocrdma_mq {
|
|
struct ocrdma_queue_info sq;
|
|
struct ocrdma_queue_info cq;
|
|
bool rearm_cq;
|
|
};
|
|
|
|
struct mqe_ctx {
|
|
struct mutex lock; /* for serializing mailbox commands on MQ */
|
|
wait_queue_head_t cmd_wait;
|
|
u32 tag;
|
|
u16 cqe_status;
|
|
u16 ext_status;
|
|
bool cmd_done;
|
|
bool fw_error_state;
|
|
};
|
|
|
|
struct ocrdma_hw_mr {
|
|
u32 lkey;
|
|
u8 fr_mr;
|
|
u8 remote_atomic;
|
|
u8 remote_rd;
|
|
u8 remote_wr;
|
|
u8 local_rd;
|
|
u8 local_wr;
|
|
u8 mw_bind;
|
|
u8 rsvd;
|
|
u64 len;
|
|
struct ocrdma_pbl *pbl_table;
|
|
u32 num_pbls;
|
|
u32 num_pbes;
|
|
u32 pbl_size;
|
|
u32 pbe_size;
|
|
u64 fbo;
|
|
u64 va;
|
|
};
|
|
|
|
struct ocrdma_mr {
|
|
struct ib_mr ibmr;
|
|
struct ib_umem *umem;
|
|
struct ocrdma_hw_mr hwmr;
|
|
};
|
|
|
|
struct ocrdma_stats {
|
|
u8 type;
|
|
struct ocrdma_dev *dev;
|
|
};
|
|
|
|
struct stats_mem {
|
|
struct ocrdma_mqe mqe;
|
|
void *va;
|
|
dma_addr_t pa;
|
|
u32 size;
|
|
char *debugfs_mem;
|
|
};
|
|
|
|
struct phy_info {
|
|
u16 auto_speeds_supported;
|
|
u16 fixed_speeds_supported;
|
|
u16 phy_type;
|
|
u16 interface_type;
|
|
};
|
|
|
|
struct ocrdma_dev {
|
|
struct ib_device ibdev;
|
|
struct ocrdma_dev_attr attr;
|
|
|
|
struct mutex dev_lock; /* provides syncronise access to device data */
|
|
spinlock_t flush_q_lock ____cacheline_aligned;
|
|
|
|
struct ocrdma_cq **cq_tbl;
|
|
struct ocrdma_qp **qp_tbl;
|
|
|
|
struct ocrdma_eq *eq_tbl;
|
|
int eq_cnt;
|
|
u16 base_eqid;
|
|
u16 max_eq;
|
|
|
|
union ib_gid *sgid_tbl;
|
|
/* provided synchronization to sgid table for
|
|
* updating gid entries triggered by notifier.
|
|
*/
|
|
spinlock_t sgid_lock;
|
|
|
|
int gsi_qp_created;
|
|
struct ocrdma_cq *gsi_sqcq;
|
|
struct ocrdma_cq *gsi_rqcq;
|
|
|
|
struct {
|
|
struct ocrdma_av *va;
|
|
dma_addr_t pa;
|
|
u32 size;
|
|
u32 num_ah;
|
|
/* provide synchronization for av
|
|
* entry allocations.
|
|
*/
|
|
spinlock_t lock;
|
|
u32 ahid;
|
|
struct ocrdma_pbl pbl;
|
|
} av_tbl;
|
|
|
|
void *mbx_cmd;
|
|
struct ocrdma_mq mq;
|
|
struct mqe_ctx mqe_ctx;
|
|
|
|
struct be_dev_info nic_info;
|
|
struct phy_info phy;
|
|
char model_number[32];
|
|
u32 hba_port_num;
|
|
|
|
struct list_head entry;
|
|
struct rcu_head rcu;
|
|
int id;
|
|
u64 *stag_arr;
|
|
u8 sl; /* service level */
|
|
bool pfc_state;
|
|
atomic_t update_sl;
|
|
u16 pvid;
|
|
u32 asic_id;
|
|
|
|
ulong last_stats_time;
|
|
struct mutex stats_lock; /* provide synch for debugfs operations */
|
|
struct stats_mem stats_mem;
|
|
struct ocrdma_stats rsrc_stats;
|
|
struct ocrdma_stats rx_stats;
|
|
struct ocrdma_stats wqe_stats;
|
|
struct ocrdma_stats tx_stats;
|
|
struct ocrdma_stats db_err_stats;
|
|
struct ocrdma_stats tx_qp_err_stats;
|
|
struct ocrdma_stats rx_qp_err_stats;
|
|
struct ocrdma_stats tx_dbg_stats;
|
|
struct ocrdma_stats rx_dbg_stats;
|
|
struct dentry *dir;
|
|
};
|
|
|
|
struct ocrdma_cq {
|
|
struct ib_cq ibcq;
|
|
struct ocrdma_cqe *va;
|
|
u32 phase;
|
|
u32 getp; /* pointer to pending wrs to
|
|
* return to stack, wrap arounds
|
|
* at max_hw_cqe
|
|
*/
|
|
u32 max_hw_cqe;
|
|
bool phase_change;
|
|
bool deferred_arm, deferred_sol;
|
|
bool first_arm;
|
|
|
|
spinlock_t cq_lock ____cacheline_aligned; /* provide synchronization
|
|
* to cq polling
|
|
*/
|
|
/* syncronizes cq completion handler invoked from multiple context */
|
|
spinlock_t comp_handler_lock ____cacheline_aligned;
|
|
u16 id;
|
|
u16 eqn;
|
|
|
|
struct ocrdma_ucontext *ucontext;
|
|
dma_addr_t pa;
|
|
u32 len;
|
|
u32 cqe_cnt;
|
|
|
|
/* head of all qp's sq and rq for which cqes need to be flushed
|
|
* by the software.
|
|
*/
|
|
struct list_head sq_head, rq_head;
|
|
};
|
|
|
|
struct ocrdma_pd {
|
|
struct ib_pd ibpd;
|
|
struct ocrdma_ucontext *uctx;
|
|
u32 id;
|
|
int num_dpp_qp;
|
|
u32 dpp_page;
|
|
bool dpp_enabled;
|
|
};
|
|
|
|
struct ocrdma_ah {
|
|
struct ib_ah ibah;
|
|
struct ocrdma_av *av;
|
|
u16 sgid_index;
|
|
u32 id;
|
|
};
|
|
|
|
struct ocrdma_qp_hwq_info {
|
|
u8 *va; /* virtual address */
|
|
u32 max_sges;
|
|
u32 head, tail;
|
|
u32 entry_size;
|
|
u32 max_cnt;
|
|
u32 max_wqe_idx;
|
|
u16 dbid; /* qid, where to ring the doorbell. */
|
|
u32 len;
|
|
dma_addr_t pa;
|
|
};
|
|
|
|
struct ocrdma_srq {
|
|
struct ib_srq ibsrq;
|
|
u8 __iomem *db;
|
|
struct ocrdma_qp_hwq_info rq;
|
|
u64 *rqe_wr_id_tbl;
|
|
u32 *idx_bit_fields;
|
|
u32 bit_fields_len;
|
|
|
|
/* provide synchronization to multiple context(s) posting rqe */
|
|
spinlock_t q_lock ____cacheline_aligned;
|
|
|
|
struct ocrdma_pd *pd;
|
|
u32 id;
|
|
};
|
|
|
|
struct ocrdma_qp {
|
|
struct ib_qp ibqp;
|
|
struct ocrdma_dev *dev;
|
|
|
|
u8 __iomem *sq_db;
|
|
struct ocrdma_qp_hwq_info sq;
|
|
struct {
|
|
uint64_t wrid;
|
|
uint16_t dpp_wqe_idx;
|
|
uint16_t dpp_wqe;
|
|
uint8_t signaled;
|
|
uint8_t rsvd[3];
|
|
} *wqe_wr_id_tbl;
|
|
u32 max_inline_data;
|
|
|
|
/* provide synchronization to multiple context(s) posting wqe, rqe */
|
|
spinlock_t q_lock ____cacheline_aligned;
|
|
struct ocrdma_cq *sq_cq;
|
|
/* list maintained per CQ to flush SQ errors */
|
|
struct list_head sq_entry;
|
|
|
|
u8 __iomem *rq_db;
|
|
struct ocrdma_qp_hwq_info rq;
|
|
u64 *rqe_wr_id_tbl;
|
|
struct ocrdma_cq *rq_cq;
|
|
struct ocrdma_srq *srq;
|
|
/* list maintained per CQ to flush RQ errors */
|
|
struct list_head rq_entry;
|
|
|
|
enum ocrdma_qp_state state; /* QP state */
|
|
int cap_flags;
|
|
u32 max_ord, max_ird;
|
|
|
|
u32 id;
|
|
struct ocrdma_pd *pd;
|
|
|
|
enum ib_qp_type qp_type;
|
|
|
|
int sgid_idx;
|
|
u32 qkey;
|
|
bool dpp_enabled;
|
|
u8 *ird_q_va;
|
|
bool signaled;
|
|
};
|
|
|
|
struct ocrdma_ucontext {
|
|
struct ib_ucontext ibucontext;
|
|
|
|
struct list_head mm_head;
|
|
struct mutex mm_list_lock; /* protects list entries of mm type */
|
|
struct ocrdma_pd *cntxt_pd;
|
|
int pd_in_use;
|
|
|
|
struct {
|
|
u32 *va;
|
|
dma_addr_t pa;
|
|
u32 len;
|
|
} ah_tbl;
|
|
};
|
|
|
|
struct ocrdma_mm {
|
|
struct {
|
|
u64 phy_addr;
|
|
unsigned long len;
|
|
} key;
|
|
struct list_head entry;
|
|
};
|
|
|
|
static inline struct ocrdma_dev *get_ocrdma_dev(struct ib_device *ibdev)
|
|
{
|
|
return container_of(ibdev, struct ocrdma_dev, ibdev);
|
|
}
|
|
|
|
static inline struct ocrdma_ucontext *get_ocrdma_ucontext(struct ib_ucontext
|
|
*ibucontext)
|
|
{
|
|
return container_of(ibucontext, struct ocrdma_ucontext, ibucontext);
|
|
}
|
|
|
|
static inline struct ocrdma_pd *get_ocrdma_pd(struct ib_pd *ibpd)
|
|
{
|
|
return container_of(ibpd, struct ocrdma_pd, ibpd);
|
|
}
|
|
|
|
static inline struct ocrdma_cq *get_ocrdma_cq(struct ib_cq *ibcq)
|
|
{
|
|
return container_of(ibcq, struct ocrdma_cq, ibcq);
|
|
}
|
|
|
|
static inline struct ocrdma_qp *get_ocrdma_qp(struct ib_qp *ibqp)
|
|
{
|
|
return container_of(ibqp, struct ocrdma_qp, ibqp);
|
|
}
|
|
|
|
static inline struct ocrdma_mr *get_ocrdma_mr(struct ib_mr *ibmr)
|
|
{
|
|
return container_of(ibmr, struct ocrdma_mr, ibmr);
|
|
}
|
|
|
|
static inline struct ocrdma_ah *get_ocrdma_ah(struct ib_ah *ibah)
|
|
{
|
|
return container_of(ibah, struct ocrdma_ah, ibah);
|
|
}
|
|
|
|
static inline struct ocrdma_srq *get_ocrdma_srq(struct ib_srq *ibsrq)
|
|
{
|
|
return container_of(ibsrq, struct ocrdma_srq, ibsrq);
|
|
}
|
|
|
|
static inline int is_cqe_valid(struct ocrdma_cq *cq, struct ocrdma_cqe *cqe)
|
|
{
|
|
int cqe_valid;
|
|
cqe_valid = le32_to_cpu(cqe->flags_status_srcqpn) & OCRDMA_CQE_VALID;
|
|
return (cqe_valid == cq->phase);
|
|
}
|
|
|
|
static inline int is_cqe_for_sq(struct ocrdma_cqe *cqe)
|
|
{
|
|
return (le32_to_cpu(cqe->flags_status_srcqpn) &
|
|
OCRDMA_CQE_QTYPE) ? 0 : 1;
|
|
}
|
|
|
|
static inline int is_cqe_invalidated(struct ocrdma_cqe *cqe)
|
|
{
|
|
return (le32_to_cpu(cqe->flags_status_srcqpn) &
|
|
OCRDMA_CQE_INVALIDATE) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_cqe_imm(struct ocrdma_cqe *cqe)
|
|
{
|
|
return (le32_to_cpu(cqe->flags_status_srcqpn) &
|
|
OCRDMA_CQE_IMM) ? 1 : 0;
|
|
}
|
|
|
|
static inline int is_cqe_wr_imm(struct ocrdma_cqe *cqe)
|
|
{
|
|
return (le32_to_cpu(cqe->flags_status_srcqpn) &
|
|
OCRDMA_CQE_WRITE_IMM) ? 1 : 0;
|
|
}
|
|
|
|
static inline int ocrdma_resolve_dmac(struct ocrdma_dev *dev,
|
|
struct ib_ah_attr *ah_attr, u8 *mac_addr)
|
|
{
|
|
struct in6_addr in6;
|
|
|
|
memcpy(&in6, ah_attr->grh.dgid.raw, sizeof(in6));
|
|
if (rdma_is_multicast_addr(&in6))
|
|
rdma_get_mcast_mac(&in6, mac_addr);
|
|
else
|
|
memcpy(mac_addr, ah_attr->dmac, ETH_ALEN);
|
|
return 0;
|
|
}
|
|
|
|
static inline char *hca_name(struct ocrdma_dev *dev)
|
|
{
|
|
switch (dev->nic_info.pdev->device) {
|
|
case OC_SKH_DEVICE_PF:
|
|
case OC_SKH_DEVICE_VF:
|
|
return OC_NAME_SH;
|
|
default:
|
|
return OC_NAME_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
static inline int ocrdma_get_eq_table_index(struct ocrdma_dev *dev,
|
|
int eqid)
|
|
{
|
|
int indx;
|
|
|
|
for (indx = 0; indx < dev->eq_cnt; indx++) {
|
|
if (dev->eq_tbl[indx].q.id == eqid)
|
|
return indx;
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static inline u8 ocrdma_get_asic_type(struct ocrdma_dev *dev)
|
|
{
|
|
if (dev->nic_info.dev_family == 0xF && !dev->asic_id) {
|
|
pci_read_config_dword(
|
|
dev->nic_info.pdev,
|
|
OCRDMA_SLI_ASIC_ID_OFFSET, &dev->asic_id);
|
|
}
|
|
|
|
return (dev->asic_id & OCRDMA_SLI_ASIC_GEN_NUM_MASK) >>
|
|
OCRDMA_SLI_ASIC_GEN_NUM_SHIFT;
|
|
}
|
|
|
|
static inline u8 ocrdma_get_pfc_prio(u8 *pfc, u8 prio)
|
|
{
|
|
return *(pfc + prio);
|
|
}
|
|
|
|
static inline u8 ocrdma_get_app_prio(u8 *app_prio, u8 prio)
|
|
{
|
|
return *(app_prio + prio);
|
|
}
|
|
|
|
static inline u8 ocrdma_is_enabled_and_synced(u32 state)
|
|
{ /* May also be used to interpret TC-state, QCN-state
|
|
* Appl-state and Logical-link-state in future.
|
|
*/
|
|
return (state & OCRDMA_STATE_FLAG_ENABLED) &&
|
|
(state & OCRDMA_STATE_FLAG_SYNC);
|
|
}
|
|
|
|
#endif
|