#include <rdma/ib_mad.h>
#include <rdma/ib_user_verbs.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/utsname.h>
#include <linux/rculist.h>
#include <linux/mm.h>
#include <linux/random.h>
#include "qib.h"
#include "qib_common.h"

Data Structures
struct	qib_ucontext

Functions
	module_param_named (qp_table_size, ib_qib_qp_table_size, uint, S_IRUGO)

	MODULE_PARM_DESC (qp_table_size,"QP table size")

	module_param_named (lkey_table_size, ib_qib_lkey_table_size, uint, S_IRUGO)

	MODULE_PARM_DESC (lkey_table_size,"LKEY table size in bits (2^n, 1 <= n <= 23)")

	module_param_named (max_pds, ib_qib_max_pds, uint, S_IRUGO)

	MODULE_PARM_DESC (max_pds,"Maximum number of protection domains to support")

	module_param_named (max_ahs, ib_qib_max_ahs, uint, S_IRUGO)

	MODULE_PARM_DESC (max_ahs,"Maximum number of address handles to support")

	module_param_named (max_cqes, ib_qib_max_cqes, uint, S_IRUGO)

	MODULE_PARM_DESC (max_cqes,"Maximum number of completion queue entries to support")

	module_param_named (max_cqs, ib_qib_max_cqs, uint, S_IRUGO)

	MODULE_PARM_DESC (max_cqs,"Maximum number of completion queues to support")

	module_param_named (max_qp_wrs, ib_qib_max_qp_wrs, uint, S_IRUGO)

	MODULE_PARM_DESC (max_qp_wrs,"Maximum number of QP WRs to support")

	module_param_named (max_qps, ib_qib_max_qps, uint, S_IRUGO)

	MODULE_PARM_DESC (max_qps,"Maximum number of QPs to support")

	module_param_named (max_sges, ib_qib_max_sges, uint, S_IRUGO)

	MODULE_PARM_DESC (max_sges,"Maximum number of SGEs to support")

	module_param_named (max_mcast_grps, ib_qib_max_mcast_grps, uint, S_IRUGO)

	MODULE_PARM_DESC (max_mcast_grps,"Maximum number of multicast groups to support")

	module_param_named (max_mcast_qp_attached, ib_qib_max_mcast_qp_attached, uint, S_IRUGO)

	MODULE_PARM_DESC (max_mcast_qp_attached,"Maximum number of attached QPs to support")

	module_param_named (max_srqs, ib_qib_max_srqs, uint, S_IRUGO)

	MODULE_PARM_DESC (max_srqs,"Maximum number of SRQs to support")

	module_param_named (max_srq_sges, ib_qib_max_srq_sges, uint, S_IRUGO)

	MODULE_PARM_DESC (max_srq_sges,"Maximum number of SRQ SGEs to support")

	module_param_named (max_srq_wrs, ib_qib_max_srq_wrs, uint, S_IRUGO)

	MODULE_PARM_DESC (max_srq_wrs,"Maximum number of SRQ WRs support")

	module_param_named (disable_sma, ib_qib_disable_sma, uint, S_IWUSR\|S_IRUGO)

	MODULE_PARM_DESC (disable_sma,"Disable the SMA")

void	qib_copy_sge (struct qib_sge_state ss, void data, u32 length, int release)

void	qib_skip_sge (struct qib_sge_state *ss, u32 length, int release)

void	qib_ib_rcv (struct qib_ctxtdata rcd, void rhdr, void *data, u32 tlen)

void	qib_put_txreq (struct qib_verbs_txreq *tx)

void	qib_verbs_sdma_desc_avail (struct qib_pportdata *ppd, unsigned avail)

int	qib_verbs_send (struct qib_qp qp, struct qib_ib_header hdr, u32 hdrwords, struct qib_sge_state *ss, u32 len)

int	qib_snapshot_counters (struct qib_pportdata ppd, u64 swords, u64 rwords, u64 spkts, u64 rpkts, u64 xmit_wait)

int	qib_get_counters (struct qib_pportdata ppd, struct qib_verbs_counters cntrs)

void	qib_ib_piobufavail (struct qib_devdata *dd)

int	qib_check_ah (struct ib_device ibdev, struct ib_ah_attr ah_attr)

struct ib_ah *	qib_create_qp0_ah (struct qib_ibport *ibp, u16 dlid)

unsigned	qib_get_npkeys (struct qib_devdata *dd)

unsigned	qib_get_pkey (struct qib_ibport *ibp, unsigned index)

int	qib_register_ib_device (struct qib_devdata *dd)

void	qib_unregister_ib_device (struct qib_devdata *dd)

void	qib_schedule_send (struct qib_qp *qp)

Variables
unsigned int	ib_qib_lkey_table_size = 16

unsigned int	ib_qib_max_cqes = 0x2FFFF

unsigned int	ib_qib_max_cqs = 0x1FFFF

unsigned int	ib_qib_max_qp_wrs = 0x3FFF

unsigned int	ib_qib_max_qps = 16384

unsigned int	ib_qib_max_sges = 0x60

unsigned int	ib_qib_max_mcast_grps = 16384

unsigned int	ib_qib_max_mcast_qp_attached = 16

unsigned int	ib_qib_max_srqs = 1024

unsigned int	ib_qib_max_srq_sges = 128

unsigned int	ib_qib_max_srq_wrs = 0x1FFFF

const int	ib_qib_state_ops [IB_QPS_ERR+1]

enum ib_wc_opcode	ib_qib_wc_opcode []

__be64	ib_qib_sys_image_guid

Function Documentation

module_param_named	(	qp_table_size	,
		ib_qib_qp_table_size	,
		uint	,
		S_IRUGO
	)

module_param_named	(	lkey_table_size	,
		ib_qib_lkey_table_size	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_pds	,
		ib_qib_max_pds	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_ahs	,
		ib_qib_max_ahs	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_cqes	,
		ib_qib_max_cqes	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_cqs	,
		ib_qib_max_cqs	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_qp_wrs	,
		ib_qib_max_qp_wrs	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_qps	,
		ib_qib_max_qps	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_sges	,
		ib_qib_max_sges	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_mcast_grps	,
		ib_qib_max_mcast_grps	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_mcast_qp_attached	,
		ib_qib_max_mcast_qp_attached	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_srqs	,
		ib_qib_max_srqs	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_srq_sges	,
		ib_qib_max_srq_sges	,
		uint	,
		S_IRUGO
	)

module_param_named	(	max_srq_wrs	,
		ib_qib_max_srq_wrs	,
		uint	,
		S_IRUGO
	)

module_param_named	(	disable_sma	,
		ib_qib_disable_sma	,
		uint	,
		S_IWUSR\|	S_IRUGO
	)

MODULE_PARM_DESC	(	qp_table_size	,
		"QP table size"
	)

MODULE_PARM_DESC	(	lkey_table_size	,
		"LKEY table size in bits (2^n, 1 <= n <= 23)"
	)

MODULE_PARM_DESC	(	max_pds	,
		"Maximum number of protection domains to support"
	)

MODULE_PARM_DESC	(	max_ahs	,
		"Maximum number of address handles to support"
	)

MODULE_PARM_DESC	(	max_cqes	,
		"Maximum number of completion queue entries to support"
	)

MODULE_PARM_DESC	(	max_cqs	,
		"Maximum number of completion queues to support"
	)

MODULE_PARM_DESC	(	max_qp_wrs	,
		"Maximum number of QP WRs to support"
	)

MODULE_PARM_DESC	(	max_qps	,
		"Maximum number of QPs to support"
	)

MODULE_PARM_DESC	(	max_sges	,
		"Maximum number of SGEs to support"
	)

MODULE_PARM_DESC	(	max_mcast_grps	,
		"Maximum number of multicast groups to support"
	)

MODULE_PARM_DESC	(	max_mcast_qp_attached	,
		"Maximum number of attached QPs to support"
	)

MODULE_PARM_DESC	(	max_srqs	,
		"Maximum number of SRQs to support"
	)

MODULE_PARM_DESC	(	max_srq_sges	,
		"Maximum number of SRQ SGEs to support"
	)

MODULE_PARM_DESC	(	max_srq_wrs	,
		"Maximum number of SRQ WRs support"
	)

MODULE_PARM_DESC	(	disable_sma	,
		"Disable the SMA"
	)

int qib_check_ah	(	struct ib_device *	ibdev,
		struct ib_ah_attr *	ah_attr
	)

Definition at line 1785 of file qib_verbs.c.

void qib_copy_sge	(	struct qib_sge_state *	ss,
		void *	data,
		u32	length,
		int	release
	)

qib_copy_sge - copy data to SGE memory : the SGE state : the data to copy : the length of the data

Definition at line 168 of file qib_verbs.c.

struct ib_ah* qib_create_qp0_ah	(	struct qib_ibport *	ibp,
		u16	dlid
	)

read

Definition at line 1857 of file qib_verbs.c.

int qib_get_counters	(	struct qib_pportdata *	ppd,
		struct qib_verbs_counters *	cntrs
	)

qib_get_counters - get various chip counters : the qlogic_ib device : counters are placed here

Return the counters needed by recv_pma_get_portcounters().

Definition at line 1435 of file qib_verbs.c.

unsigned qib_get_npkeys ( struct qib_devdata * dd )

qib_get_npkeys - return the size of the PKEY table for context 0 : the qlogic_ib device

Definition at line 1923 of file qib_verbs.c.

unsigned qib_get_pkey	(	struct qib_ibport *	ibp,
		unsigned	index
	)

Definition at line 1932 of file qib_verbs.c.

void qib_ib_piobufavail ( struct qib_devdata * dd )

qib_ib_piobufavail - callback when a PIO buffer is available : the device pointer

This is called from qib_intr() at interrupt level when a PIO buffer is available after qib_verbs_send() returned an error that no buffers were available. Disable the interrupt if there are no more QPs waiting.

Definition at line 1503 of file qib_verbs.c.

void qib_ib_rcv	(	struct qib_ctxtdata *	rcd,
		void *	rhdr,
		void *	data,
		u32	tlen
	)

qib_ib_rcv - process an incoming packet : the context pointer : the header of the packet : the packet payload : the packet length

This is called from qib_kreceive() to process an incoming packet at interrupt level. Tlen is the length of the header + data + CRC in bytes.

Definition at line 608 of file qib_verbs.c.

void qib_put_txreq ( struct qib_verbs_txreq * tx )

Definition at line 978 of file qib_verbs.c.

int qib_register_ib_device ( struct qib_devdata * dd )

qib_register_ib_device - register our device with the infiniband core : the device data structure Return the allocated qib_ibdev pointer or NULL on error.

Definition at line 2045 of file qib_verbs.c.

void qib_schedule_send ( struct qib_qp * qp )

Definition at line 2324 of file qib_verbs.c.

void qib_skip_sge	(	struct qib_sge_state *	ss,
		u32	length,
		int	release
	)

qib_skip_sge - skip over SGE memory - XXX almost dup of prev func : the SGE state : the number of bytes to skip

Definition at line 210 of file qib_verbs.c.

int qib_snapshot_counters	(	struct qib_pportdata *	ppd,
		u64 *	swords,
		u64 *	rwords,
		u64 *	spkts,
		u64 *	rpkts,
		u64 *	xmit_wait
	)

Definition at line 1404 of file qib_verbs.c.

void qib_unregister_ib_device ( struct qib_devdata * dd )

Definition at line 2271 of file qib_verbs.c.

void qib_verbs_sdma_desc_avail	(	struct qib_pportdata *	ppd,
		unsigned	avail
	)

Definition at line 1032 of file qib_verbs.c.

int qib_verbs_send	(	struct qib_qp *	qp,
		struct qib_ib_header *	hdr,
		u32	hdrwords,
		struct qib_sge_state *	ss,
		u32	len
	)

qib_verbs_send - send a packet : the QP to send on : the packet header : the number of 32-bit words in the header : the SGE to send : the length of the packet in bytes

Return zero if packet is sent or queued OK. Return non-zero and clear qp->s_flags QIB_S_BUSY otherwise.

Definition at line 1374 of file qib_verbs.c.

Variable Documentation

unsigned int ib_qib_lkey_table_size = 16

Definition at line 51 of file qib_verbs.c.

unsigned int ib_qib_max_cqes = 0x2FFFF

Definition at line 66 of file qib_verbs.c.

unsigned int ib_qib_max_cqs = 0x1FFFF

Definition at line 71 of file qib_verbs.c.

unsigned int ib_qib_max_mcast_grps = 16384

Definition at line 87 of file qib_verbs.c.

unsigned int ib_qib_max_mcast_qp_attached = 16

Definition at line 92 of file qib_verbs.c.

unsigned int ib_qib_max_qp_wrs = 0x3FFF

Definition at line 75 of file qib_verbs.c.

unsigned int ib_qib_max_qps = 16384

Definition at line 79 of file qib_verbs.c.

unsigned int ib_qib_max_sges = 0x60

Definition at line 83 of file qib_verbs.c.

unsigned int ib_qib_max_srq_sges = 128

Definition at line 102 of file qib_verbs.c.

unsigned int ib_qib_max_srq_wrs = 0x1FFFF

Definition at line 106 of file qib_verbs.c.

unsigned int ib_qib_max_srqs = 1024

Definition at line 98 of file qib_verbs.c.

const int ib_qib_state_ops[IB_QPS_ERR+1]

Initial value:

= {
    [IB_QPS_RESET] = 0,
    [IB_QPS_INIT] = QIB_POST_RECV_OK,
    [IB_QPS_RTR] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK,
    [IB_QPS_RTS] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
        QIB_POST_SEND_OK | QIB_PROCESS_SEND_OK |
        QIB_PROCESS_NEXT_SEND_OK,
    [IB_QPS_SQD] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
        QIB_POST_SEND_OK | QIB_PROCESS_SEND_OK,
    [IB_QPS_SQE] = QIB_POST_RECV_OK | QIB_PROCESS_RECV_OK |
        QIB_POST_SEND_OK | QIB_FLUSH_SEND,
    [IB_QPS_ERR] = QIB_POST_RECV_OK | QIB_FLUSH_RECV |
        QIB_POST_SEND_OK | QIB_FLUSH_SEND,
}

Definition at line 119 of file qib_verbs.c.

__be64 ib_qib_sys_image_guid

Definition at line 160 of file qib_verbs.c.

enum ib_wc_opcode ib_qib_wc_opcode[]

Initial value:

= {
    [IB_WR_RDMA_WRITE] = IB_WC_RDMA_WRITE,
    [IB_WR_RDMA_WRITE_WITH_IMM] = IB_WC_RDMA_WRITE,
    [IB_WR_SEND] = IB_WC_SEND,
    [IB_WR_SEND_WITH_IMM] = IB_WC_SEND,
    [IB_WR_RDMA_READ] = IB_WC_RDMA_READ,
    [IB_WR_ATOMIC_CMP_AND_SWP] = IB_WC_COMP_SWAP,
    [IB_WR_ATOMIC_FETCH_AND_ADD] = IB_WC_FETCH_ADD
}

Definition at line 147 of file qib_verbs.c.

Data Structures

Functions

Variables

Function Documentation

Variable Documentation