mthca_qp.c File Reference

#include <linux/string.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <asm/io.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>
#include <rdma/ib_pack.h>
#include "mthca_dev.h"
#include "mthca_cmd.h"
#include "mthca_memfree.h"
#include "mthca_wqe.h"

Go to the source code of this file.

Data Structures
struct	mthca_qp_path
struct	mthca_qp_context
struct	mthca_qp_param

Enumerations
enum	{   MTHCA_MAX_DIRECT_QP_SIZE = 4 * PAGE_SIZE, MTHCA_ACK_REQ_FREQ = 10, MTHCA_FLIGHT_LIMIT = 9, MTHCA_UD_HEADER_SIZE = 72,   MTHCA_INLINE_HEADER_SIZE = 4, MTHCA_INLINE_CHUNK_SIZE = 16 }
enum	{   MTHCA_QP_STATE_RST = 0, MTHCA_QP_STATE_INIT = 1, MTHCA_QP_STATE_RTR = 2, MTHCA_QP_STATE_RTS = 3,   MTHCA_QP_STATE_SQE = 4, MTHCA_QP_STATE_SQD = 5, MTHCA_QP_STATE_ERR = 6, MTHCA_QP_STATE_DRAINING = 7 }
enum	{   MTHCA_QP_ST_RC = 0x0, MTHCA_QP_ST_UC = 0x1, MTHCA_QP_ST_RD = 0x2, MTHCA_QP_ST_UD = 0x3,   MTHCA_QP_ST_MLX = 0x7 }
enum	{ MTHCA_QP_PM_MIGRATED = 0x3, MTHCA_QP_PM_ARMED = 0x0, MTHCA_QP_PM_REARM = 0x1 }
enum	{   MTHCA_QP_BIT_DE = 1 << 8, MTHCA_QP_BIT_SRE = 1 << 15, MTHCA_QP_BIT_SWE = 1 << 14, MTHCA_QP_BIT_SAE = 1 << 13,   MTHCA_QP_BIT_SIC = 1 << 4, MTHCA_QP_BIT_SSC = 1 << 3, MTHCA_QP_BIT_RRE = 1 << 15, MTHCA_QP_BIT_RWE = 1 << 14,   MTHCA_QP_BIT_RAE = 1 << 13, MTHCA_QP_BIT_RIC = 1 << 4, MTHCA_QP_BIT_RSC = 1 << 3 }
enum	{ MTHCA_SEND_DOORBELL_FENCE = 1 << 5 }
enum	{   MTHCA_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0, MTHCA_QP_OPTPAR_RRE = 1 << 1, MTHCA_QP_OPTPAR_RAE = 1 << 2, MTHCA_QP_OPTPAR_RWE = 1 << 3,   MTHCA_QP_OPTPAR_PKEY_INDEX = 1 << 4, MTHCA_QP_OPTPAR_Q_KEY = 1 << 5, MTHCA_QP_OPTPAR_RNR_TIMEOUT = 1 << 6, MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH = 1 << 7,   MTHCA_QP_OPTPAR_SRA_MAX = 1 << 8, MTHCA_QP_OPTPAR_RRA_MAX = 1 << 9, MTHCA_QP_OPTPAR_PM_STATE = 1 << 10, MTHCA_QP_OPTPAR_PORT_NUM = 1 << 11,   MTHCA_QP_OPTPAR_RETRY_COUNT = 1 << 12, MTHCA_QP_OPTPAR_ALT_RNR_RETRY = 1 << 13, MTHCA_QP_OPTPAR_ACK_TIMEOUT = 1 << 14, MTHCA_QP_OPTPAR_RNR_RETRY = 1 << 15,   MTHCA_QP_OPTPAR_SCHED_QUEUE = 1 << 16 }
enum	{   RC, UC, UD, RD,   RDEE, MLX, NUM_TRANS }

Functions
struct mthca_qp_path	__attribute__ ((packed))
void	mthca_qp_event (struct mthca_dev *dev, u32 qpn, enum ib_event_type event_type)
int	mthca_query_qp (struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr)
int	mthca_modify_qp (struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask, struct ib_udata *udata)
int	mthca_alloc_qp (struct mthca_dev *dev, struct mthca_pd *pd, struct mthca_cq *send_cq, struct mthca_cq *recv_cq, enum ib_qp_type type, enum ib_sig_type send_policy, struct ib_qp_cap *cap, struct mthca_qp *qp)
int	mthca_alloc_sqp (struct mthca_dev *dev, struct mthca_pd *pd, struct mthca_cq *send_cq, struct mthca_cq *recv_cq, enum ib_sig_type send_policy, struct ib_qp_cap *cap, int qpn, int port, struct mthca_sqp *sqp)
void	mthca_free_qp (struct mthca_dev *dev, struct mthca_qp *qp)
int	mthca_tavor_post_send (struct ib_qp *ibqp, struct ib_send_wr *wr, struct ib_send_wr **bad_wr)
int	mthca_tavor_post_receive (struct ib_qp *ibqp, struct ib_recv_wr *wr, struct ib_recv_wr **bad_wr)
int	mthca_arbel_post_send (struct ib_qp *ibqp, struct ib_send_wr *wr, struct ib_send_wr **bad_wr)
int	mthca_arbel_post_receive (struct ib_qp *ibqp, struct ib_recv_wr *wr, struct ib_recv_wr **bad_wr)
void	mthca_free_err_wqe (struct mthca_dev *dev, struct mthca_qp *qp, int is_send, int index, int *dbd, __be32 *new_wqe)
int	mthca_init_qp_table (struct mthca_dev *dev)
void	mthca_cleanup_qp_table (struct mthca_dev *dev)

Variables
__be32	port_pkey
u8	rnr_retry
u8	g_mylmc
__be16	rlid
u8	ackto
u8	mgid_index
u8	static_rate
u8	hop_limit
__be32	sl_tclass_flowlabel
u8	rgid [16]
__be32	flags
__be32	tavor_sched_queue
u8	mtu_msgmax
u8	rq_size_stride
u8	sq_size_stride
u8	rlkey_arbel_sched_queue
__be32	usr_page
__be32	local_qpn
__be32	remote_qpn
u32	reserved1 [2]
struct mthca_qp_path	pri_path
struct mthca_qp_path	alt_path
__be32	rdd
__be32	pd
__be32	wqe_base
__be32	wqe_lkey
__be32	params1
__be32	reserved2
__be32	next_send_psn
__be32	cqn_snd
__be32	snd_wqe_base_l
__be32	snd_db_index
__be32	last_acked_psn
__be32	ssn
__be32	params2
__be32	rnr_nextrecvpsn
__be32	ra_buff_indx
__be32	cqn_rcv
__be32	rcv_wqe_base_l
__be32	rcv_db_index
__be32	qkey
__be32	srqn
__be32	rmsn
__be16	rq_wqe_counter
__be16	sq_wqe_counter
u32	reserved3 [18]
__be32	opt_param_mask
struct mthca_qp_context	context
enum { ... }	__attribute__

Enumeration Type Documentation

anonymous enum

Enumerator:

MTHCA_MAX_DIRECT_QP_SIZE
MTHCA_ACK_REQ_FREQ
MTHCA_FLIGHT_LIMIT
MTHCA_UD_HEADER_SIZE
MTHCA_INLINE_HEADER_SIZE
MTHCA_INLINE_CHUNK_SIZE

Definition at line 51 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_QP_STATE_RST
MTHCA_QP_STATE_INIT
MTHCA_QP_STATE_RTR
MTHCA_QP_STATE_RTS
MTHCA_QP_STATE_SQE
MTHCA_QP_STATE_SQD
MTHCA_QP_STATE_ERR
MTHCA_QP_STATE_DRAINING

Definition at line 60 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_QP_ST_RC
MTHCA_QP_ST_UC
MTHCA_QP_ST_RD
MTHCA_QP_ST_UD
MTHCA_QP_ST_MLX

Definition at line 71 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_QP_PM_MIGRATED
MTHCA_QP_PM_ARMED
MTHCA_QP_PM_REARM

Definition at line 79 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_QP_BIT_DE
MTHCA_QP_BIT_SRE
MTHCA_QP_BIT_SWE
MTHCA_QP_BIT_SAE
MTHCA_QP_BIT_SIC
MTHCA_QP_BIT_SSC
MTHCA_QP_BIT_RRE
MTHCA_QP_BIT_RWE
MTHCA_QP_BIT_RAE
MTHCA_QP_BIT_RIC
MTHCA_QP_BIT_RSC

Definition at line 85 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_SEND_DOORBELL_FENCE

Definition at line 102 of file mthca_qp.c.

anonymous enum

Enumerator:

MTHCA_QP_OPTPAR_ALT_ADDR_PATH
MTHCA_QP_OPTPAR_RRE
MTHCA_QP_OPTPAR_RAE
MTHCA_QP_OPTPAR_RWE
MTHCA_QP_OPTPAR_PKEY_INDEX
MTHCA_QP_OPTPAR_Q_KEY
MTHCA_QP_OPTPAR_RNR_TIMEOUT
MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH
MTHCA_QP_OPTPAR_SRA_MAX
MTHCA_QP_OPTPAR_RRA_MAX
MTHCA_QP_OPTPAR_PM_STATE
MTHCA_QP_OPTPAR_PORT_NUM
MTHCA_QP_OPTPAR_RETRY_COUNT
MTHCA_QP_OPTPAR_ALT_RNR_RETRY
MTHCA_QP_OPTPAR_ACK_TIMEOUT
MTHCA_QP_OPTPAR_RNR_RETRY
MTHCA_QP_OPTPAR_SCHED_QUEUE

Definition at line 165 of file mthca_qp.c.

anonymous enum

Enumerator:

RC
UC
UD
RD
RDEE
MLX
NUM_TRANS

Definition at line 284 of file mthca_qp.c.

Function Documentation

struct mthca_qp_path __attribute__ ( (packed)  )

read

Definition at line 171 of file esd_usb2.c.

int mthca_alloc_qp	(	struct mthca_dev *	dev,
		struct mthca_pd *	pd,
		struct mthca_cq *	send_cq,
		struct mthca_cq *	recv_cq,
		enum ib_qp_type	type,
		enum ib_sig_type	send_policy,
		struct ib_qp_cap *	cap,
		struct mthca_qp *	qp
	)

Definition at line 1268 of file mthca_qp.c.

int mthca_alloc_sqp	(	struct mthca_dev *	dev,
		struct mthca_pd *	pd,
		struct mthca_cq *	send_cq,
		struct mthca_cq *	recv_cq,
		enum ib_sig_type	send_policy,
		struct ib_qp_cap *	cap,
		int	qpn,
		int	port,
		struct mthca_sqp *	sqp
	)

Definition at line 1342 of file mthca_qp.c.

int mthca_arbel_post_receive	(	struct ib_qp *	ibqp,
		struct ib_recv_wr *	wr,
		struct ib_recv_wr **	bad_wr
	)

Definition at line 2155 of file mthca_qp.c.

int mthca_arbel_post_send	(	struct ib_qp *	ibqp,
		struct ib_send_wr *	wr,
		struct ib_send_wr **	bad_wr
	)

Definition at line 1915 of file mthca_qp.c.

void mthca_cleanup_qp_table

(

struct mthca_dev *

dev

)

Definition at line 2301 of file mthca_qp.c.

void mthca_free_err_wqe	(	struct mthca_dev *	dev,
		struct mthca_qp *	qp,
		int	is_send,
		int	index,
		int *	dbd,
		__be32 *	new_wqe
	)

Definition at line 2226 of file mthca_qp.c.

void mthca_free_qp	(	struct mthca_dev *	dev,
		struct mthca_qp *	qp
	)

Definition at line 1420 of file mthca_qp.c.

int mthca_init_qp_table

(

struct mthca_dev *

dev

)

Definition at line 2253 of file mthca_qp.c.

int mthca_modify_qp	(	struct ib_qp *	ibqp,
		struct ib_qp_attr *	attr,
		int	attr_mask,
		struct ib_udata *	udata
	)

Definition at line 842 of file mthca_qp.c.

void mthca_qp_event	(	struct mthca_dev *	dev,
		u32	qpn,
		enum ib_event_type	event_type
	)

Definition at line 237 of file mthca_qp.c.

int mthca_query_qp	(	struct ib_qp *	ibqp,
		struct ib_qp_attr *	qp_attr,
		int	qp_attr_mask,
		struct ib_qp_init_attr *	qp_init_attr
	)

Definition at line 424 of file mthca_qp.c.

int mthca_tavor_post_receive	(	struct ib_qp *	ibqp,
		struct ib_recv_wr *	wr,
		struct ib_recv_wr **	bad_wr
	)

Definition at line 1804 of file mthca_qp.c.

int mthca_tavor_post_send	(	struct ib_qp *	ibqp,
		struct ib_send_wr *	wr,
		struct ib_send_wr **	bad_wr
	)

Definition at line 1601 of file mthca_qp.c.

Variable Documentation

enum { ... } __attribute__

u8 ackto

Definition at line 122 of file mthca_qp.c.

struct mthca_qp_path alt_path

Definition at line 168 of file mthca_qp.c.

struct mthca_qp_context context

Definition at line 166 of file mthca_qp.c.

__be32 cqn_rcv

Definition at line 184 of file mthca_qp.c.

__be32 cqn_snd

Definition at line 176 of file mthca_qp.c.

__be32 flags

Definition at line 157 of file mthca_qp.c.

u8 g_mylmc

Definition at line 120 of file mthca_qp.c.

u8 hop_limit

Definition at line 125 of file mthca_qp.c.

__be32 last_acked_psn

Definition at line 179 of file mthca_qp.c.

__be32 local_qpn

Definition at line 164 of file mthca_qp.c.

u8 mgid_index

Definition at line 123 of file mthca_qp.c.

u8 mtu_msgmax

Definition at line 159 of file mthca_qp.c.

__be32 next_send_psn

Definition at line 175 of file mthca_qp.c.

__be32 opt_param_mask

Definition at line 164 of file mthca_qp.c.

__be32 params1

Definition at line 173 of file mthca_qp.c.

__be32 params2

Definition at line 181 of file mthca_qp.c.

__be32 pd

Definition at line 170 of file mthca_qp.c.

__be32 port_pkey

Definition at line 118 of file mthca_qp.c.

struct mthca_qp_path pri_path

Definition at line 167 of file mthca_qp.c.

__be32 qkey

Definition at line 187 of file mthca_qp.c.

__be32 ra_buff_indx

Definition at line 183 of file mthca_qp.c.

__be32 rcv_db_index

Definition at line 186 of file mthca_qp.c.

__be32 rcv_wqe_base_l

Definition at line 185 of file mthca_qp.c.

__be32 rdd

Definition at line 169 of file mthca_qp.c.

__be32 remote_qpn

Definition at line 165 of file mthca_qp.c.

u32 reserved1

Definition at line 166 of file mthca_qp.c.

u32 reserved2[62]

Definition at line 174 of file mthca_qp.c.

u32 reserved3[18]

Definition at line 192 of file mthca_qp.c.

u8 rgid[16]

Definition at line 127 of file mthca_qp.c.

__be16 rlid

Definition at line 121 of file mthca_qp.c.

u8 rlkey_arbel_sched_queue

Definition at line 162 of file mthca_qp.c.

__be32 rmsn

Definition at line 189 of file mthca_qp.c.

__be32 rnr_nextrecvpsn

Definition at line 182 of file mthca_qp.c.

u8 rnr_retry

Definition at line 119 of file mthca_qp.c.

u8 rq_size_stride

Definition at line 160 of file mthca_qp.c.

__be16 rq_wqe_counter

Definition at line 190 of file mthca_qp.c.

__be32 sl_tclass_flowlabel

Definition at line 126 of file mthca_qp.c.

__be32 snd_db_index

Definition at line 178 of file mthca_qp.c.

__be32 snd_wqe_base_l

Definition at line 177 of file mthca_qp.c.

u8 sq_size_stride

Definition at line 161 of file mthca_qp.c.

__be16 sq_wqe_counter

Definition at line 191 of file mthca_qp.c.

__be32 srqn

Definition at line 188 of file mthca_qp.c.

__be32 ssn

Definition at line 180 of file mthca_qp.c.

u8 static_rate

Definition at line 124 of file mthca_qp.c.

__be32 tavor_sched_queue

Definition at line 158 of file mthca_qp.c.

__be32 usr_page

Definition at line 163 of file mthca_qp.c.

__be32 wqe_base

Definition at line 171 of file mthca_qp.c.

__be32 wqe_lkey

Definition at line 172 of file mthca_qp.c.