Release 4.15 drivers/infiniband/hw/cxgb3/iwch_provider.h
/*
* Copyright (c) 2006 Chelsio, Inc. All rights reserved.
*
* 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 __IWCH_PROVIDER_H__
#define __IWCH_PROVIDER_H__
#include <linux/list.h>
#include <linux/spinlock.h>
#include <rdma/ib_verbs.h>
#include <asm/types.h>
#include "t3cdev.h"
#include "iwch.h"
#include "cxio_wr.h"
#include "cxio_hal.h"
struct iwch_pd {
struct ib_pd ibpd;
u32 pdid;
struct iwch_dev *rhp;
};
static inline struct iwch_pd *to_iwch_pd(struct ib_pd *ibpd)
{
return container_of(ibpd, struct iwch_pd, ibpd);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
struct tpt_attributes {
u32 stag;
u32 state:1;
u32 type:2;
u32 rsvd:1;
enum tpt_mem_perm perms;
u32 remote_invaliate_disable:1;
u32 zbva:1;
u32 mw_bind_enable:1;
u32 page_size:5;
u32 pdid;
u32 qpid;
u32 pbl_addr;
u32 len;
u64 va_fbo;
u32 pbl_size;
};
struct iwch_mr {
struct ib_mr ibmr;
struct ib_umem *umem;
struct iwch_dev *rhp;
u64 kva;
struct tpt_attributes attr;
u64 *pages;
u32 npages;
};
typedef struct iwch_mw iwch_mw_handle;
static inline struct iwch_mr *to_iwch_mr(struct ib_mr *ibmr)
{
return container_of(ibmr, struct iwch_mr, ibmr);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
struct iwch_mw {
struct ib_mw ibmw;
struct iwch_dev *rhp;
u64 kva;
struct tpt_attributes attr;
};
static inline struct iwch_mw *to_iwch_mw(struct ib_mw *ibmw)
{
return container_of(ibmw, struct iwch_mw, ibmw);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
struct iwch_cq {
struct ib_cq ibcq;
struct iwch_dev *rhp;
struct t3_cq cq;
spinlock_t lock;
spinlock_t comp_handler_lock;
atomic_t refcnt;
wait_queue_head_t wait;
u32 __user *user_rptr_addr;
};
static inline struct iwch_cq *to_iwch_cq(struct ib_cq *ibcq)
{
return container_of(ibcq, struct iwch_cq, ibcq);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
enum IWCH_QP_FLAGS {
QP_QUIESCED = 0x01
};
struct iwch_mpa_attributes {
u8 initiator;
u8 recv_marker_enabled;
u8 xmit_marker_enabled; /* iWARP: enable inbound Read Resp. */
u8 crc_enabled;
u8 version; /* 0 or 1 */
};
struct iwch_qp_attributes {
u32 scq;
u32 rcq;
u32 sq_num_entries;
u32 rq_num_entries;
u32 sq_max_sges;
u32 sq_max_sges_rdma_write;
u32 rq_max_sges;
u32 state;
u8 enable_rdma_read;
u8 enable_rdma_write; /* enable inbound Read Resp. */
u8 enable_bind;
u8 enable_mmid0_fastreg; /* Enable STAG0 + Fast-register */
/*
* Next QP state. If specify the current state, only the
* QP attributes will be modified.
*/
u32 max_ord;
u32 max_ird;
u32 pd; /* IN */
u32 next_state;
char terminate_buffer[52];
u32 terminate_msg_len;
u8 is_terminate_local;
struct iwch_mpa_attributes mpa_attr; /* IN-OUT */
struct iwch_ep *llp_stream_handle;
char *stream_msg_buf; /* Last stream msg. before Idle -> RTS */
u32 stream_msg_buf_len; /* Only on Idle -> RTS */
};
struct iwch_qp {
struct ib_qp ibqp;
struct iwch_dev *rhp;
struct iwch_ep *ep;
struct iwch_qp_attributes attr;
struct t3_wq wq;
spinlock_t lock;
atomic_t refcnt;
wait_queue_head_t wait;
enum IWCH_QP_FLAGS flags;
};
static inline int qp_quiesced(struct iwch_qp *qhp)
{
return qhp->flags & QP_QUIESCED;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
static inline struct iwch_qp *to_iwch_qp(struct ib_qp *ibqp)
{
return container_of(ibqp, struct iwch_qp, ibqp);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
void iwch_qp_add_ref(struct ib_qp *qp);
void iwch_qp_rem_ref(struct ib_qp *qp);
struct iwch_ucontext {
struct ib_ucontext ibucontext;
struct cxio_ucontext uctx;
u32 key;
spinlock_t mmap_lock;
struct list_head mmaps;
};
static inline struct iwch_ucontext *to_iwch_ucontext(struct ib_ucontext *c)
{
return container_of(c, struct iwch_ucontext, ibucontext);
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
struct iwch_mm_entry {
struct list_head entry;
u64 addr;
u32 key;
unsigned len;
};
static inline struct iwch_mm_entry *remove_mmap(struct iwch_ucontext *ucontext,
u32 key, unsigned len)
{
struct list_head *pos, *nxt;
struct iwch_mm_entry *mm;
spin_lock(&ucontext->mmap_lock);
list_for_each_safe(pos, nxt, &ucontext->mmaps) {
mm = list_entry(pos, struct iwch_mm_entry, entry);
if (mm->key == key && mm->len == len) {
list_del_init(&mm->entry);
spin_unlock(&ucontext->mmap_lock);
pr_debug("%s key 0x%x addr 0x%llx len %d\n",
__func__, key,
(unsigned long long)mm->addr, mm->len);
return mm;
}
}
spin_unlock(&ucontext->mmap_lock);
return NULL;
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 129 | 98.47% | 1 | 33.33% |
| Joe Perches | 1 | 0.76% | 1 | 33.33% |
| Harvey Harrison | 1 | 0.76% | 1 | 33.33% |
| Total | 131 | 100.00% | 3 | 100.00% |
static inline void insert_mmap(struct iwch_ucontext *ucontext,
struct iwch_mm_entry *mm)
{
spin_lock(&ucontext->mmap_lock);
pr_debug("%s key 0x%x addr 0x%llx len %d\n",
__func__, mm->key, (unsigned long long)mm->addr, mm->len);
list_add_tail(&mm->entry, &ucontext->mmaps);
spin_unlock(&ucontext->mmap_lock);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 68 | 97.14% | 1 | 33.33% |
| Joe Perches | 1 | 1.43% | 1 | 33.33% |
| Harvey Harrison | 1 | 1.43% | 1 | 33.33% |
| Total | 70 | 100.00% | 3 | 100.00% |
enum iwch_qp_attr_mask {
IWCH_QP_ATTR_NEXT_STATE = 1 << 0,
IWCH_QP_ATTR_ENABLE_RDMA_READ = 1 << 7,
IWCH_QP_ATTR_ENABLE_RDMA_WRITE = 1 << 8,
IWCH_QP_ATTR_ENABLE_RDMA_BIND = 1 << 9,
IWCH_QP_ATTR_MAX_ORD = 1 << 11,
IWCH_QP_ATTR_MAX_IRD = 1 << 12,
IWCH_QP_ATTR_LLP_STREAM_HANDLE = 1 << 22,
IWCH_QP_ATTR_STREAM_MSG_BUFFER = 1 << 23,
IWCH_QP_ATTR_MPA_ATTR = 1 << 24,
IWCH_QP_ATTR_QP_CONTEXT_ACTIVATE = 1 << 25,
IWCH_QP_ATTR_VALID_MODIFY = (IWCH_QP_ATTR_ENABLE_RDMA_READ |
IWCH_QP_ATTR_ENABLE_RDMA_WRITE |
IWCH_QP_ATTR_MAX_ORD |
IWCH_QP_ATTR_MAX_IRD |
IWCH_QP_ATTR_LLP_STREAM_HANDLE |
IWCH_QP_ATTR_STREAM_MSG_BUFFER |
IWCH_QP_ATTR_MPA_ATTR |
IWCH_QP_ATTR_QP_CONTEXT_ACTIVATE)
};
int iwch_modify_qp(struct iwch_dev *rhp,
struct iwch_qp *qhp,
enum iwch_qp_attr_mask mask,
struct iwch_qp_attributes *attrs,
int internal);
enum iwch_qp_state {
IWCH_QP_STATE_IDLE,
IWCH_QP_STATE_RTS,
IWCH_QP_STATE_ERROR,
IWCH_QP_STATE_TERMINATE,
IWCH_QP_STATE_CLOSING,
IWCH_QP_STATE_TOT
};
static inline int iwch_convert_state(enum ib_qp_state ib_state)
{
switch (ib_state) {
case IB_QPS_RESET:
case IB_QPS_INIT:
return IWCH_QP_STATE_IDLE;
case IB_QPS_RTS:
return IWCH_QP_STATE_RTS;
case IB_QPS_SQD:
return IWCH_QP_STATE_CLOSING;
case IB_QPS_SQE:
return IWCH_QP_STATE_TERMINATE;
case IB_QPS_ERR:
return IWCH_QP_STATE_ERROR;
default:
return -1;
}
}
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| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 55 | 100.00% | 1 | 100.00% |
| Total | 55 | 100.00% | 1 | 100.00% |
static inline u32 iwch_ib_to_tpt_access(int acc)
{
return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
(acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
(acc & IB_ACCESS_MW_BIND ? TPT_MW_BIND : 0) |
TPT_LOCAL_READ;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 53 | 100.00% | 3 | 100.00% |
| Total | 53 | 100.00% | 3 | 100.00% |
static inline u32 iwch_ib_to_tpt_bind_access(int acc)
{
return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Steve Wise | 31 | 100.00% | 1 | 100.00% |
| Total | 31 | 100.00% | 1 | 100.00% |
enum iwch_mmid_state {
IWCH_STAG_STATE_VALID,
IWCH_STAG_STATE_INVALID
};
enum iwch_qp_query_flags {
IWCH_QP_QUERY_CONTEXT_NONE = 0x0, /* No ctx; Only attrs */
IWCH_QP_QUERY_CONTEXT_GET = 0x1, /* Get ctx + attrs */
IWCH_QP_QUERY_CONTEXT_SUSPEND = 0x2, /* Not Supported */
/*
* Quiesce QP context; Consumer
* will NOT replay outstanding WR
*/
IWCH_QP_QUERY_CONTEXT_QUIESCE = 0x4,
IWCH_QP_QUERY_CONTEXT_REMOVE = 0x8,
IWCH_QP_QUERY_TEST_USERWRITE = 0x32 /* Test special */
};
u16 iwch_rqes_posted(struct iwch_qp *qhp);
int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr);
int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr);
int iwch_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg);
int iwch_post_zb_read(struct iwch_ep *ep);
int iwch_register_device(struct iwch_dev *dev);
void iwch_unregister_device(struct iwch_dev *dev);
void stop_read_rep_timer(struct iwch_qp *qhp);
int iwch_register_mem(struct iwch_dev *rhp, struct iwch_pd *php,
struct iwch_mr *mhp, int shift);
int iwch_alloc_pbl(struct iwch_mr *mhp, int npages);
void iwch_free_pbl(struct iwch_mr *mhp);
int iwch_write_pbl(struct iwch_mr *mhp, __be64 *pages, int npages, int offset);
#define IWCH_NODE_DESC "cxgb3 Chelsio Communications"
#endif
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| Steve Wise | 1233 | 96.03% | 6 | 50.00% |
| Roland Dreier | 37 | 2.88% | 2 | 16.67% |
| Sagi Grimberg | 7 | 0.55% | 1 | 8.33% |
| Kumar Sanghvi | 3 | 0.23% | 1 | 8.33% |
| Joe Perches | 2 | 0.16% | 1 | 8.33% |
| Harvey Harrison | 2 | 0.16% | 1 | 8.33% |
| Total | 1284 | 100.00% | 12 | 100.00% |
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