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WSL2-Linux-Kernel
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Merge HEAD from master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git

This commit is contained in:
Linus Torvalds 2005-08-29 10:36:48 -07:00
Родитель 97c169a21b a4d61e8480
Коммит a78b3371b6
69 изменённых файлов: 2732 добавлений и 1424 удалений
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2
drivers/infiniband/core/Makefile
Просмотреть файл

@ -1,5 +1,3 @@
EXTRA_CFLAGS += -Idrivers/infiniband/include
obj-$(CONFIG_INFINIBAND) += ib_core.o ib_mad.o ib_sa.o \
ib_cm.o ib_umad.o ib_ucm.o
obj-$(CONFIG_INFINIBAND_USER_VERBS) += ib_uverbs.o

13
drivers/infiniband/core/agent.c
Просмотреть файл

@ -1,9 +1,10 @@
/*
* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004, 2005 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Topspin Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -40,7 +41,7 @@
#include <asm/bug.h>
#include <ib_smi.h>
#include <rdma/ib_smi.h>
#include "smi.h"
#include "agent_priv.h"

10
drivers/infiniband/core/agent_priv.h
Просмотреть файл

@ -1,9 +1,9 @@
/*
* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004, 2005 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Topspin Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Voltaire Corporation. 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

6
drivers/infiniband/core/cache.c
Просмотреть файл

@ -1,5 +1,8 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Voltaire, 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
@ -32,12 +35,11 @@
* $Id: cache.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <ib_cache.h>
#include <rdma/ib_cache.h>
#include "core_priv.h"

125
drivers/infiniband/core/cm.c
Просмотреть файл

@ -43,8 +43,8 @@
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <ib_cache.h>
#include <ib_cm.h>
#include <rdma/ib_cache.h>
#include <rdma/ib_cm.h>
#include "cm_msgs.h"
MODULE_AUTHOR("Sean Hefty");
@ -83,7 +83,7 @@ struct cm_port {
struct cm_device {
struct list_head list;
struct ib_device *device;
u64 ca_guid;
__be64 ca_guid;
struct cm_port port[0];
};
@ -100,8 +100,8 @@ struct cm_work {
struct list_head list;
struct cm_port *port;
struct ib_mad_recv_wc *mad_recv_wc; /* Received MADs */
u32 local_id; /* Established / timewait */
u32 remote_id;
__be32 local_id; /* Established / timewait */
__be32 remote_id;
struct ib_cm_event cm_event;
struct ib_sa_path_rec path[0];
};
@ -110,8 +110,8 @@ struct cm_timewait_info {
struct cm_work work; /* Must be first. */
struct rb_node remote_qp_node;
struct rb_node remote_id_node;
u64 remote_ca_guid;
u32 remote_qpn;
__be64 remote_ca_guid;
__be32 remote_qpn;
u8 inserted_remote_qp;
u8 inserted_remote_id;
};
@ -132,11 +132,11 @@ struct cm_id_private {
struct cm_av alt_av;
void *private_data;
u64 tid;
u32 local_qpn;
u32 remote_qpn;
u32 sq_psn;
u32 rq_psn;
__be64 tid;
__be32 local_qpn;
__be32 remote_qpn;
__be32 sq_psn;
__be32 rq_psn;
int timeout_ms;
enum ib_mtu path_mtu;
u8 private_data_len;
@ -253,7 +253,7 @@ static void cm_set_ah_attr(struct ib_ah_attr *ah_attr, u8 port_num,
u16 dlid, u8 sl, u16 src_path_bits)
{
memset(ah_attr, 0, sizeof ah_attr);
ah_attr->dlid = be16_to_cpu(dlid);
ah_attr->dlid = dlid;
ah_attr->sl = sl;
ah_attr->src_path_bits = src_path_bits;
ah_attr->port_num = port_num;
@ -264,7 +264,7 @@ static void cm_init_av_for_response(struct cm_port *port,
{
av->port = port;
av->pkey_index = wc->pkey_index;
cm_set_ah_attr(&av->ah_attr, port->port_num, cpu_to_be16(wc->slid),
cm_set_ah_attr(&av->ah_attr, port->port_num, wc->slid,
wc->sl, wc->dlid_path_bits);
}
@ -295,8 +295,9 @@ static int cm_init_av_by_path(struct ib_sa_path_rec *path, struct cm_av *av)
return ret;
av->port = port;
cm_set_ah_attr(&av->ah_attr, av->port->port_num, path->dlid,
path->sl, path->slid & 0x7F);
cm_set_ah_attr(&av->ah_attr, av->port->port_num,
be16_to_cpu(path->dlid), path->sl,
be16_to_cpu(path->slid) & 0x7F);
av->packet_life_time = path->packet_life_time;
return 0;
}
@ -309,26 +310,26 @@ static int cm_alloc_id(struct cm_id_private *cm_id_priv)
do {
spin_lock_irqsave(&cm.lock, flags);
ret = idr_get_new_above(&cm.local_id_table, cm_id_priv, 1,
(int *) &cm_id_priv->id.local_id);
(__force int *) &cm_id_priv->id.local_id);
spin_unlock_irqrestore(&cm.lock, flags);
} while( (ret == -EAGAIN) && idr_pre_get(&cm.local_id_table, GFP_KERNEL) );
return ret;
}
static void cm_free_id(u32 local_id)
static void cm_free_id(__be32 local_id)
{
unsigned long flags;
spin_lock_irqsave(&cm.lock, flags);
idr_remove(&cm.local_id_table, (int) local_id);
idr_remove(&cm.local_id_table, (__force int) local_id);
spin_unlock_irqrestore(&cm.lock, flags);
}
static struct cm_id_private * cm_get_id(u32 local_id, u32 remote_id)
static struct cm_id_private * cm_get_id(__be32 local_id, __be32 remote_id)
{
struct cm_id_private *cm_id_priv;
cm_id_priv = idr_find(&cm.local_id_table, (int) local_id);
cm_id_priv = idr_find(&cm.local_id_table, (__force int) local_id);
if (cm_id_priv) {
if (cm_id_priv->id.remote_id == remote_id)
atomic_inc(&cm_id_priv->refcount);
@ -339,7 +340,7 @@ static struct cm_id_private * cm_get_id(u32 local_id, u32 remote_id)
return cm_id_priv;
}
static struct cm_id_private * cm_acquire_id(u32 local_id, u32 remote_id)
static struct cm_id_private * cm_acquire_id(__be32 local_id, __be32 remote_id)
{
struct cm_id_private *cm_id_priv;
unsigned long flags;
@ -356,8 +357,8 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
struct rb_node **link = &cm.listen_service_table.rb_node;
struct rb_node *parent = NULL;
struct cm_id_private *cur_cm_id_priv;
u64 service_id = cm_id_priv->id.service_id;
u64 service_mask = cm_id_priv->id.service_mask;
__be64 service_id = cm_id_priv->id.service_id;
__be64 service_mask = cm_id_priv->id.service_mask;
while (*link) {
parent = *link;
@ -376,7 +377,7 @@ static struct cm_id_private * cm_insert_listen(struct cm_id_private *cm_id_priv)
return NULL;
}
static struct cm_id_private * cm_find_listen(u64 service_id)
static struct cm_id_private * cm_find_listen(__be64 service_id)
{
struct rb_node *node = cm.listen_service_table.rb_node;
struct cm_id_private *cm_id_priv;
@ -400,8 +401,8 @@ static struct cm_timewait_info * cm_insert_remote_id(struct cm_timewait_info
struct rb_node **link = &cm.remote_id_table.rb_node;
struct rb_node *parent = NULL;
struct cm_timewait_info *cur_timewait_info;
u64 remote_ca_guid = timewait_info->remote_ca_guid;
u32 remote_id = timewait_info->work.remote_id;
__be64 remote_ca_guid = timewait_info->remote_ca_guid;
__be32 remote_id = timewait_info->work.remote_id;
while (*link) {
parent = *link;
@ -424,8 +425,8 @@ static struct cm_timewait_info * cm_insert_remote_id(struct cm_timewait_info
return NULL;
}
static struct cm_timewait_info * cm_find_remote_id(u64 remote_ca_guid,
u32 remote_id)
static struct cm_timewait_info * cm_find_remote_id(__be64 remote_ca_guid,
__be32 remote_id)
{
struct rb_node *node = cm.remote_id_table.rb_node;
struct cm_timewait_info *timewait_info;
@ -453,8 +454,8 @@ static struct cm_timewait_info * cm_insert_remote_qpn(struct cm_timewait_info
struct rb_node **link = &cm.remote_qp_table.rb_node;
struct rb_node *parent = NULL;
struct cm_timewait_info *cur_timewait_info;
u64 remote_ca_guid = timewait_info->remote_ca_guid;
u32 remote_qpn = timewait_info->remote_qpn;
__be64 remote_ca_guid = timewait_info->remote_ca_guid;
__be32 remote_qpn = timewait_info->remote_qpn;
while (*link) {
parent = *link;
@ -484,7 +485,7 @@ static struct cm_id_private * cm_insert_remote_sidr(struct cm_id_private
struct rb_node *parent = NULL;
struct cm_id_private *cur_cm_id_priv;
union ib_gid *port_gid = &cm_id_priv->av.dgid;
u32 remote_id = cm_id_priv->id.remote_id;
__be32 remote_id = cm_id_priv->id.remote_id;
while (*link) {
parent = *link;
@ -598,7 +599,7 @@ static void cm_cleanup_timewait(struct cm_timewait_info *timewait_info)
spin_unlock_irqrestore(&cm.lock, flags);
}
static struct cm_timewait_info * cm_create_timewait_info(u32 local_id)
static struct cm_timewait_info * cm_create_timewait_info(__be32 local_id)
{
struct cm_timewait_info *timewait_info;
@ -715,14 +716,15 @@ retest:
EXPORT_SYMBOL(ib_destroy_cm_id);
int ib_cm_listen(struct ib_cm_id *cm_id,
u64 service_id,
u64 service_mask)
__be64 service_id,
__be64 service_mask)
{
struct cm_id_private *cm_id_priv, *cur_cm_id_priv;
unsigned long flags;
int ret = 0;
service_mask = service_mask ? service_mask : ~0ULL;
service_mask = service_mask ? service_mask :
__constant_cpu_to_be64(~0ULL);
service_id &= service_mask;
if ((service_id & IB_SERVICE_ID_AGN_MASK) == IB_CM_ASSIGN_SERVICE_ID &&
(service_id != IB_CM_ASSIGN_SERVICE_ID))
@ -735,8 +737,8 @@ int ib_cm_listen(struct ib_cm_id *cm_id,
spin_lock_irqsave(&cm.lock, flags);
if (service_id == IB_CM_ASSIGN_SERVICE_ID) {
cm_id->service_id = __cpu_to_be64(cm.listen_service_id++);
cm_id->service_mask = ~0ULL;
cm_id->service_id = cpu_to_be64(cm.listen_service_id++);
cm_id->service_mask = __constant_cpu_to_be64(~0ULL);
} else {
cm_id->service_id = service_id;
cm_id->service_mask = service_mask;
@ -752,18 +754,19 @@ int ib_cm_listen(struct ib_cm_id *cm_id,
}
EXPORT_SYMBOL(ib_cm_listen);
static u64 cm_form_tid(struct cm_id_private *cm_id_priv,
enum cm_msg_sequence msg_seq)
static __be64 cm_form_tid(struct cm_id_private *cm_id_priv,
enum cm_msg_sequence msg_seq)
{
u64 hi_tid, low_tid;
hi_tid = ((u64) cm_id_priv->av.port->mad_agent->hi_tid) << 32;
low_tid = (u64) (cm_id_priv->id.local_id | (msg_seq << 30));
low_tid = (u64) ((__force u32)cm_id_priv->id.local_id |
(msg_seq << 30));
return cpu_to_be64(hi_tid | low_tid);
}
static void cm_format_mad_hdr(struct ib_mad_hdr *hdr,
enum cm_msg_attr_id attr_id, u64 tid)
__be16 attr_id, __be64 tid)
{
hdr->base_version = IB_MGMT_BASE_VERSION;
hdr->mgmt_class = IB_MGMT_CLASS_CM;
@ -896,7 +899,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
goto error1;
}
cm_id->service_id = param->service_id;
cm_id->service_mask = ~0ULL;
cm_id->service_mask = __constant_cpu_to_be64(~0ULL);
cm_id_priv->timeout_ms = cm_convert_to_ms(
param->primary_path->packet_life_time) * 2 +
cm_convert_to_ms(
@ -963,7 +966,7 @@ static int cm_issue_rej(struct cm_port *port,
rej_msg->remote_comm_id = rcv_msg->local_comm_id;
rej_msg->local_comm_id = rcv_msg->remote_comm_id;
cm_rej_set_msg_rejected(rej_msg, msg_rejected);
rej_msg->reason = reason;
rej_msg->reason = cpu_to_be16(reason);
if (ari && ari_length) {
cm_rej_set_reject_info_len(rej_msg, ari_length);
@ -977,8 +980,8 @@ static int cm_issue_rej(struct cm_port *port,
return ret;
}
static inline int cm_is_active_peer(u64 local_ca_guid, u64 remote_ca_guid,
u32 local_qpn, u32 remote_qpn)
static inline int cm_is_active_peer(__be64 local_ca_guid, __be64 remote_ca_guid,
__be32 local_qpn, __be32 remote_qpn)
{
return (be64_to_cpu(local_ca_guid) > be64_to_cpu(remote_ca_guid) ||
((local_ca_guid == remote_ca_guid) &&
@ -1137,7 +1140,7 @@ static void cm_format_rej(struct cm_rej_msg *rej_msg,
break;
}
rej_msg->reason = reason;
rej_msg->reason = cpu_to_be16(reason);
if (ari && ari_length) {
cm_rej_set_reject_info_len(rej_msg, ari_length);
memcpy(rej_msg->ari, ari, ari_length);
@ -1276,7 +1279,7 @@ static int cm_req_handler(struct cm_work *work)
cm_id_priv->id.cm_handler = listen_cm_id_priv->id.cm_handler;
cm_id_priv->id.context = listen_cm_id_priv->id.context;
cm_id_priv->id.service_id = req_msg->service_id;
cm_id_priv->id.service_mask = ~0ULL;
cm_id_priv->id.service_mask = __constant_cpu_to_be64(~0ULL);
cm_format_paths_from_req(req_msg, &work->path[0], &work->path[1]);
ret = cm_init_av_by_path(&work->path[0], &cm_id_priv->av);
@ -1969,7 +1972,7 @@ static void cm_format_rej_event(struct cm_work *work)
param = &work->cm_event.param.rej_rcvd;
param->ari = rej_msg->ari;
param->ari_length = cm_rej_get_reject_info_len(rej_msg);
param->reason = rej_msg->reason;
param->reason = __be16_to_cpu(rej_msg->reason);
work->cm_event.private_data = &rej_msg->private_data;
}
@ -1978,20 +1981,20 @@ static struct cm_id_private * cm_acquire_rejected_id(struct cm_rej_msg *rej_msg)
struct cm_timewait_info *timewait_info;
struct cm_id_private *cm_id_priv;
unsigned long flags;
u32 remote_id;
__be32 remote_id;
remote_id = rej_msg->local_comm_id;
if (rej_msg->reason == IB_CM_REJ_TIMEOUT) {
if (__be16_to_cpu(rej_msg->reason) == IB_CM_REJ_TIMEOUT) {
spin_lock_irqsave(&cm.lock, flags);
timewait_info = cm_find_remote_id( *((u64 *) rej_msg->ari),
timewait_info = cm_find_remote_id( *((__be64 *) rej_msg->ari),
remote_id);
if (!timewait_info) {
spin_unlock_irqrestore(&cm.lock, flags);
return NULL;
}
cm_id_priv = idr_find(&cm.local_id_table,
(int) timewait_info->work.local_id);
(__force int) timewait_info->work.local_id);
if (cm_id_priv) {
if (cm_id_priv->id.remote_id == remote_id)
atomic_inc(&cm_id_priv->refcount);
@ -2032,7 +2035,7 @@ static int cm_rej_handler(struct cm_work *work)
/* fall through */
case IB_CM_REQ_RCVD:
case IB_CM_MRA_REQ_SENT:
if (rej_msg->reason == IB_CM_REJ_STALE_CONN)
if (__be16_to_cpu(rej_msg->reason) == IB_CM_REJ_STALE_CONN)
cm_enter_timewait(cm_id_priv);
else
cm_reset_to_idle(cm_id_priv);
@ -2553,7 +2556,7 @@ static void cm_format_sidr_req(struct cm_sidr_req_msg *sidr_req_msg,
cm_format_mad_hdr(&sidr_req_msg->hdr, CM_SIDR_REQ_ATTR_ID,
cm_form_tid(cm_id_priv, CM_MSG_SEQUENCE_SIDR));
sidr_req_msg->request_id = cm_id_priv->id.local_id;
sidr_req_msg->pkey = param->pkey;
sidr_req_msg->pkey = cpu_to_be16(param->pkey);
sidr_req_msg->service_id = param->service_id;
if (param->private_data && param->private_data_len)
@ -2580,7 +2583,7 @@ int ib_send_cm_sidr_req(struct ib_cm_id *cm_id,
goto out;
cm_id->service_id = param->service_id;
cm_id->service_mask = ~0ULL;
cm_id->service_mask = __constant_cpu_to_be64(~0ULL);
cm_id_priv->timeout_ms = param->timeout_ms;
cm_id_priv->max_cm_retries = param->max_cm_retries;
ret = cm_alloc_msg(cm_id_priv, &msg);
@ -2621,7 +2624,7 @@ static void cm_format_sidr_req_event(struct cm_work *work,
sidr_req_msg = (struct cm_sidr_req_msg *)
work->mad_recv_wc->recv_buf.mad;
param = &work->cm_event.param.sidr_req_rcvd;
param->pkey = sidr_req_msg->pkey;
param->pkey = __be16_to_cpu(sidr_req_msg->pkey);
param->listen_id = listen_id;
param->device = work->port->mad_agent->device;
param->port = work->port->port_num;
@ -2645,7 +2648,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
sidr_req_msg = (struct cm_sidr_req_msg *)
work->mad_recv_wc->recv_buf.mad;
wc = work->mad_recv_wc->wc;
cm_id_priv->av.dgid.global.subnet_prefix = wc->slid;
cm_id_priv->av.dgid.global.subnet_prefix = cpu_to_be64(wc->slid);
cm_id_priv->av.dgid.global.interface_id = 0;
cm_init_av_for_response(work->port, work->mad_recv_wc->wc,
&cm_id_priv->av);
@ -2673,7 +2676,7 @@ static int cm_sidr_req_handler(struct cm_work *work)
cm_id_priv->id.cm_handler = cur_cm_id_priv->id.cm_handler;
cm_id_priv->id.context = cur_cm_id_priv->id.context;
cm_id_priv->id.service_id = sidr_req_msg->service_id;
cm_id_priv->id.service_mask = ~0ULL;
cm_id_priv->id.service_mask = __constant_cpu_to_be64(~0ULL);
cm_format_sidr_req_event(work, &cur_cm_id_priv->id);
cm_process_work(cm_id_priv, work);
@ -3175,10 +3178,10 @@ int ib_cm_init_qp_attr(struct ib_cm_id *cm_id,
}
EXPORT_SYMBOL(ib_cm_init_qp_attr);
static u64 cm_get_ca_guid(struct ib_device *device)
static __be64 cm_get_ca_guid(struct ib_device *device)
{
struct ib_device_attr *device_attr;
u64 guid;
__be64 guid;
int ret;
device_attr = kmalloc(sizeof *device_attr, GFP_KERNEL);

194
drivers/infiniband/core/cm_msgs.h
Просмотреть файл

@ -34,7 +34,7 @@
#if !defined(CM_MSGS_H)
#define CM_MSGS_H
#include <ib_mad.h>
#include <rdma/ib_mad.h>
/*
* Parameters to routines below should be in network-byte order, and values
@ -43,19 +43,17 @@
#define IB_CM_CLASS_VERSION 2 /* IB specification 1.2 */
enum cm_msg_attr_id {
CM_REQ_ATTR_ID = __constant_htons(0x0010),
CM_MRA_ATTR_ID = __constant_htons(0x0011),
CM_REJ_ATTR_ID = __constant_htons(0x0012),
CM_REP_ATTR_ID = __constant_htons(0x0013),
CM_RTU_ATTR_ID = __constant_htons(0x0014),
CM_DREQ_ATTR_ID = __constant_htons(0x0015),
CM_DREP_ATTR_ID = __constant_htons(0x0016),
CM_SIDR_REQ_ATTR_ID = __constant_htons(0x0017),
CM_SIDR_REP_ATTR_ID = __constant_htons(0x0018),
CM_LAP_ATTR_ID = __constant_htons(0x0019),
CM_APR_ATTR_ID = __constant_htons(0x001A)
};
#define CM_REQ_ATTR_ID __constant_htons(0x0010)
#define CM_MRA_ATTR_ID __constant_htons(0x0011)
#define CM_REJ_ATTR_ID __constant_htons(0x0012)
#define CM_REP_ATTR_ID __constant_htons(0x0013)
#define CM_RTU_ATTR_ID __constant_htons(0x0014)
#define CM_DREQ_ATTR_ID __constant_htons(0x0015)
#define CM_DREP_ATTR_ID __constant_htons(0x0016)
#define CM_SIDR_REQ_ATTR_ID __constant_htons(0x0017)
#define CM_SIDR_REP_ATTR_ID __constant_htons(0x0018)
#define CM_LAP_ATTR_ID __constant_htons(0x0019)
#define CM_APR_ATTR_ID __constant_htons(0x001A)
enum cm_msg_sequence {
CM_MSG_SEQUENCE_REQ,
@ -67,35 +65,35 @@ enum cm_msg_sequence {
struct cm_req_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 rsvd4;
u64 service_id;
u64 local_ca_guid;
u32 rsvd24;
u32 local_qkey;
__be32 local_comm_id;
__be32 rsvd4;
__be64 service_id;
__be64 local_ca_guid;
__be32 rsvd24;
__be32 local_qkey;
/* local QPN:24, responder resources:8 */
u32 offset32;
__be32 offset32;
/* local EECN:24, initiator depth:8 */
u32 offset36;
__be32 offset36;
/*
* remote EECN:24, remote CM response timeout:5,
* transport service type:2, end-to-end flow control:1
*/
u32 offset40;
__be32 offset40;
/* starting PSN:24, local CM response timeout:5, retry count:3 */
u32 offset44;
u16 pkey;
__be32 offset44;
__be16 pkey;
/* path MTU:4, RDC exists:1, RNR retry count:3. */
u8 offset50;
/* max CM Retries:4, SRQ:1, rsvd:3 */
u8 offset51;
u16 primary_local_lid;
u16 primary_remote_lid;
__be16 primary_local_lid;
__be16 primary_remote_lid;
union ib_gid primary_local_gid;
union ib_gid primary_remote_gid;
/* flow label:20, rsvd:6, packet rate:6 */
u32 primary_offset88;
__be32 primary_offset88;
u8 primary_traffic_class;
u8 primary_hop_limit;
/* SL:4, subnet local:1, rsvd:3 */
@ -103,12 +101,12 @@ struct cm_req_msg {
/* local ACK timeout:5, rsvd:3 */
u8 primary_offset95;
u16 alt_local_lid;
u16 alt_remote_lid;
__be16 alt_local_lid;
__be16 alt_remote_lid;
union ib_gid alt_local_gid;
union ib_gid alt_remote_gid;
/* flow label:20, rsvd:6, packet rate:6 */
u32 alt_offset132;
__be32 alt_offset132;
u8 alt_traffic_class;
u8 alt_hop_limit;
/* SL:4, subnet local:1, rsvd:3 */
@ -120,12 +118,12 @@ struct cm_req_msg {
} __attribute__ ((packed));
static inline u32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
static inline __be32 cm_req_get_local_qpn(struct cm_req_msg *req_msg)
{
return cpu_to_be32(be32_to_cpu(req_msg->offset32) >> 8);
}
static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, u32 qpn)
static inline void cm_req_set_local_qpn(struct cm_req_msg *req_msg, __be32 qpn)
{
req_msg->offset32 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
(be32_to_cpu(req_msg->offset32) &
@ -208,13 +206,13 @@ static inline void cm_req_set_flow_ctrl(struct cm_req_msg *req_msg,
0xFFFFFFFE));
}
static inline u32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
static inline __be32 cm_req_get_starting_psn(struct cm_req_msg *req_msg)
{
return cpu_to_be32(be32_to_cpu(req_msg->offset44) >> 8);
}
static inline void cm_req_set_starting_psn(struct cm_req_msg *req_msg,
u32 starting_psn)
__be32 starting_psn)
{
req_msg->offset44 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
(be32_to_cpu(req_msg->offset44) & 0x000000FF));
@ -288,13 +286,13 @@ static inline void cm_req_set_srq(struct cm_req_msg *req_msg, u8 srq)
((srq & 0x1) << 3));
}
static inline u32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
static inline __be32 cm_req_get_primary_flow_label(struct cm_req_msg *req_msg)
{
return cpu_to_be32((be32_to_cpu(req_msg->primary_offset88) >> 12));
return cpu_to_be32(be32_to_cpu(req_msg->primary_offset88) >> 12);
}
static inline void cm_req_set_primary_flow_label(struct cm_req_msg *req_msg,
u32 flow_label)
__be32 flow_label)
{
req_msg->primary_offset88 = cpu_to_be32(
(be32_to_cpu(req_msg->primary_offset88) &
@ -350,13 +348,13 @@ static inline void cm_req_set_primary_local_ack_timeout(struct cm_req_msg *req_m
(local_ack_timeout << 3));
}
static inline u32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
static inline __be32 cm_req_get_alt_flow_label(struct cm_req_msg *req_msg)
{
return cpu_to_be32((be32_to_cpu(req_msg->alt_offset132) >> 12));
return cpu_to_be32(be32_to_cpu(req_msg->alt_offset132) >> 12);
}
static inline void cm_req_set_alt_flow_label(struct cm_req_msg *req_msg,
u32 flow_label)
__be32 flow_label)
{
req_msg->alt_offset132 = cpu_to_be32(
(be32_to_cpu(req_msg->alt_offset132) &
@ -422,8 +420,8 @@ enum cm_msg_response {
struct cm_mra_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
/* message MRAed:2, rsvd:6 */
u8 offset8;
/* service timeout:5, rsvd:3 */
@ -458,13 +456,13 @@ static inline void cm_mra_set_service_timeout(struct cm_mra_msg *mra_msg,
struct cm_rej_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
/* message REJected:2, rsvd:6 */
u8 offset8;
/* reject info length:7, rsvd:1. */
u8 offset9;
u16 reason;
__be16 reason;
u8 ari[IB_CM_REJ_ARI_LENGTH];
u8 private_data[IB_CM_REJ_PRIVATE_DATA_SIZE];
@ -495,45 +493,45 @@ static inline void cm_rej_set_reject_info_len(struct cm_rej_msg *rej_msg,
struct cm_rep_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
u32 local_qkey;
__be32 local_comm_id;
__be32 remote_comm_id;
__be32 local_qkey;
/* local QPN:24, rsvd:8 */
u32 offset12;
__be32 offset12;
/* local EECN:24, rsvd:8 */
u32 offset16;
__be32 offset16;
/* starting PSN:24 rsvd:8 */
u32 offset20;
__be32 offset20;
u8 resp_resources;
u8 initiator_depth;
/* target ACK delay:5, failover accepted:2, end-to-end flow control:1 */
u8 offset26;
/* RNR retry count:3, SRQ:1, rsvd:5 */
u8 offset27;
u64 local_ca_guid;
__be64 local_ca_guid;
u8 private_data[IB_CM_REP_PRIVATE_DATA_SIZE];
} __attribute__ ((packed));
static inline u32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
static inline __be32 cm_rep_get_local_qpn(struct cm_rep_msg *rep_msg)
{
return cpu_to_be32(be32_to_cpu(rep_msg->offset12) >> 8);
}
static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, u32 qpn)
static inline void cm_rep_set_local_qpn(struct cm_rep_msg *rep_msg, __be32 qpn)
{
rep_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
(be32_to_cpu(rep_msg->offset12) & 0x000000FF));
}
static inline u32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
static inline __be32 cm_rep_get_starting_psn(struct cm_rep_msg *rep_msg)
{
return cpu_to_be32(be32_to_cpu(rep_msg->offset20) >> 8);
}
static inline void cm_rep_set_starting_psn(struct cm_rep_msg *rep_msg,
u32 starting_psn)
__be32 starting_psn)
{
rep_msg->offset20 = cpu_to_be32((be32_to_cpu(starting_psn) << 8) |
(be32_to_cpu(rep_msg->offset20) & 0x000000FF));
@ -600,8 +598,8 @@ static inline void cm_rep_set_srq(struct cm_rep_msg *rep_msg, u8 srq)
struct cm_rtu_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 private_data[IB_CM_RTU_PRIVATE_DATA_SIZE];
@ -610,21 +608,21 @@ struct cm_rtu_msg {
struct cm_dreq_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
/* remote QPN/EECN:24, rsvd:8 */
u32 offset8;
__be32 offset8;
u8 private_data[IB_CM_DREQ_PRIVATE_DATA_SIZE];
} __attribute__ ((packed));
static inline u32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
static inline __be32 cm_dreq_get_remote_qpn(struct cm_dreq_msg *dreq_msg)
{
return cpu_to_be32(be32_to_cpu(dreq_msg->offset8) >> 8);
}
static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, u32 qpn)
static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, __be32 qpn)
{
dreq_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
(be32_to_cpu(dreq_msg->offset8) & 0x000000FF));
@ -633,8 +631,8 @@ static inline void cm_dreq_set_remote_qpn(struct cm_dreq_msg *dreq_msg, u32 qpn)
struct cm_drep_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 private_data[IB_CM_DREP_PRIVATE_DATA_SIZE];
@ -643,37 +641,37 @@ struct cm_drep_msg {
struct cm_lap_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
u32 rsvd8;
__be32 rsvd8;
/* remote QPN/EECN:24, remote CM response timeout:5, rsvd:3 */
u32 offset12;
u32 rsvd16;
__be32 offset12;
__be32 rsvd16;
u16 alt_local_lid;
u16 alt_remote_lid;
__be16 alt_local_lid;
__be16 alt_remote_lid;
union ib_gid alt_local_gid;
union ib_gid alt_remote_gid;
/* flow label:20, rsvd:4, traffic class:8 */
u32 offset56;
__be32 offset56;
u8 alt_hop_limit;
/* rsvd:2, packet rate:6 */
uint8_t offset61;
u8 offset61;
/* SL:4, subnet local:1, rsvd:3 */
uint8_t offset62;
u8 offset62;
/* local ACK timeout:5, rsvd:3 */
uint8_t offset63;
u8 offset63;
u8 private_data[IB_CM_LAP_PRIVATE_DATA_SIZE];
} __attribute__ ((packed));
static inline u32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
static inline __be32 cm_lap_get_remote_qpn(struct cm_lap_msg *lap_msg)
{
return cpu_to_be32(be32_to_cpu(lap_msg->offset12) >> 8);
}
static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, u32 qpn)
static inline void cm_lap_set_remote_qpn(struct cm_lap_msg *lap_msg, __be32 qpn)
{
lap_msg->offset12 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
(be32_to_cpu(lap_msg->offset12) &
@ -693,17 +691,17 @@ static inline void cm_lap_set_remote_resp_timeout(struct cm_lap_msg *lap_msg,
0xFFFFFF07));
}
static inline u32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
static inline __be32 cm_lap_get_flow_label(struct cm_lap_msg *lap_msg)
{
return be32_to_cpu(lap_msg->offset56) >> 12;
return cpu_to_be32(be32_to_cpu(lap_msg->offset56) >> 12);
}
static inline void cm_lap_set_flow_label(struct cm_lap_msg *lap_msg,
u32 flow_label)
__be32 flow_label)
{
lap_msg->offset56 = cpu_to_be32((flow_label << 12) |
(be32_to_cpu(lap_msg->offset56) &
0x00000FFF));
lap_msg->offset56 = cpu_to_be32(
(be32_to_cpu(lap_msg->offset56) & 0x00000FFF) |
(be32_to_cpu(flow_label) << 12));
}
static inline u8 cm_lap_get_traffic_class(struct cm_lap_msg *lap_msg)
@ -766,8 +764,8 @@ static inline void cm_lap_set_local_ack_timeout(struct cm_lap_msg *lap_msg,
struct cm_apr_msg {
struct ib_mad_hdr hdr;
u32 local_comm_id;
u32 remote_comm_id;
__be32 local_comm_id;
__be32 remote_comm_id;
u8 info_length;
u8 ap_status;
@ -779,10 +777,10 @@ struct cm_apr_msg {
struct cm_sidr_req_msg {
struct ib_mad_hdr hdr;
u32 request_id;
u16 pkey;
u16 rsvd;
u64 service_id;
__be32 request_id;
__be16 pkey;
__be16 rsvd;
__be64 service_id;
u8 private_data[IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE];
} __attribute__ ((packed));
@ -790,26 +788,26 @@ struct cm_sidr_req_msg {
struct cm_sidr_rep_msg {
struct ib_mad_hdr hdr;
u32 request_id;
__be32 request_id;
u8 status;
u8 info_length;
u16 rsvd;
__be16 rsvd;
/* QPN:24, rsvd:8 */
u32 offset8;
u64 service_id;
u32 qkey;
__be32 offset8;
__be64 service_id;
__be32 qkey;
u8 info[IB_CM_SIDR_REP_INFO_LENGTH];
u8 private_data[IB_CM_SIDR_REP_PRIVATE_DATA_SIZE];
} __attribute__ ((packed));
static inline u32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
static inline __be32 cm_sidr_rep_get_qpn(struct cm_sidr_rep_msg *sidr_rep_msg)
{
return cpu_to_be32(be32_to_cpu(sidr_rep_msg->offset8) >> 8);
}
static inline void cm_sidr_rep_set_qpn(struct cm_sidr_rep_msg *sidr_rep_msg,
u32 qpn)
__be32 qpn)
{
sidr_rep_msg->offset8 = cpu_to_be32((be32_to_cpu(qpn) << 8) |
(be32_to_cpu(sidr_rep_msg->offset8) &

2
drivers/infiniband/core/core_priv.h
Просмотреть файл

@ -38,7 +38,7 @@
#include <linux/list.h>
#include <linux/spinlock.h>
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
int ib_device_register_sysfs(struct ib_device *device);
void ib_device_unregister_sysfs(struct ib_device *device);

1
drivers/infiniband/core/device.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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

8
drivers/infiniband/core/fmr_pool.c
Просмотреть файл

@ -39,7 +39,7 @@
#include <linux/jhash.h>
#include <linux/kthread.h>
#include <ib_fmr_pool.h>
#include <rdma/ib_fmr_pool.h>
#include "core_priv.h"
@ -334,6 +334,7 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
{
struct ib_pool_fmr *fmr;
struct ib_pool_fmr *tmp;
LIST_HEAD(fmr_list);
int i;
kthread_stop(pool->thread);
@ -341,6 +342,11 @@ void ib_destroy_fmr_pool(struct ib_fmr_pool *pool)
i = 0;
list_for_each_entry_safe(fmr, tmp, &pool->free_list, list) {
if (fmr->remap_count) {
INIT_LIST_HEAD(&fmr_list);
list_add_tail(&fmr->fmr->list, &fmr_list);
ib_unmap_fmr(&fmr_list);
}
ib_dealloc_fmr(fmr->fmr);
list_del(&fmr->list);
kfree(fmr);

15
drivers/infiniband/core/mad.c
Просмотреть файл

@ -693,7 +693,8 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
goto out;
}
build_smp_wc(send_wr->wr_id, smp->dr_slid, send_wr->wr.ud.pkey_index,
build_smp_wc(send_wr->wr_id, be16_to_cpu(smp->dr_slid),
send_wr->wr.ud.pkey_index,
send_wr->wr.ud.port_num, &mad_wc);
/* No GRH for DR SMP */
@ -1554,7 +1555,7 @@ static int is_data_mad(struct ib_mad_agent_private *mad_agent_priv,
}
struct ib_mad_send_wr_private*
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, u64 tid)
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid)
{
struct ib_mad_send_wr_private *mad_send_wr;
@ -1597,7 +1598,7 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_send_wr_private *mad_send_wr;
struct ib_mad_send_wc mad_send_wc;
unsigned long flags;
u64 tid;
__be64 tid;
INIT_LIST_HEAD(&mad_recv_wc->rmpp_list);
list_add(&mad_recv_wc->recv_buf.list, &mad_recv_wc->rmpp_list);
@ -2165,7 +2166,8 @@ static void local_completions(void *data)
* Defined behavior is to complete response
* before request
*/
build_smp_wc(local->wr_id, IB_LID_PERMISSIVE,
build_smp_wc(local->wr_id,
be16_to_cpu(IB_LID_PERMISSIVE),
0 /* pkey index */,
recv_mad_agent->agent.port_num, &wc);
@ -2294,7 +2296,7 @@ static void timeout_sends(void *data)
spin_unlock_irqrestore(&mad_agent_priv->lock, flags);
}
static void ib_mad_thread_completion_handler(struct ib_cq *cq)
static void ib_mad_thread_completion_handler(struct ib_cq *cq, void *arg)
{
struct ib_mad_port_private *port_priv = cq->cq_context;
@ -2574,8 +2576,7 @@ static int ib_mad_port_open(struct ib_device *device,
cq_size = (IB_MAD_QP_SEND_SIZE + IB_MAD_QP_RECV_SIZE) * 2;
port_priv->cq = ib_create_cq(port_priv->device,
(ib_comp_handler)
ib_mad_thread_completion_handler,
ib_mad_thread_completion_handler,
NULL, port_priv, cq_size);
if (IS_ERR(port_priv->cq)) {
printk(KERN_ERR PFX "Couldn't create ib_mad CQ\n");

10
drivers/infiniband/core/mad_priv.h
Просмотреть файл

@ -40,8 +40,8 @@
#include <linux/pci.h>
#include <linux/kthread.h>
#include <linux/workqueue.h>
#include <ib_mad.h>
#include <ib_smi.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#define PFX "ib_mad: "
@ -121,7 +121,7 @@ struct ib_mad_send_wr_private {
struct ib_send_wr send_wr;
struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
u64 wr_id; /* client WR ID */
u64 tid;
__be64 tid;
unsigned long timeout;
int retries;
int retry;
@ -144,7 +144,7 @@ struct ib_mad_local_private {
struct ib_send_wr send_wr;
struct ib_sge sg_list[IB_MAD_SEND_REQ_MAX_SG];
u64 wr_id; /* client WR ID */
u64 tid;
__be64 tid;
};
struct ib_mad_mgmt_method_table {
@ -210,7 +210,7 @@ extern kmem_cache_t *ib_mad_cache;
int ib_send_mad(struct ib_mad_send_wr_private *mad_send_wr);
struct ib_mad_send_wr_private *
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, u64 tid);
ib_find_send_mad(struct ib_mad_agent_private *mad_agent_priv, __be64 tid);
void ib_mad_complete_send_wr(struct ib_mad_send_wr_private *mad_send_wr,
struct ib_mad_send_wc *mad_send_wc);

311
drivers/infiniband/core/mad_rmpp.c
Просмотреть файл

@ -61,7 +61,7 @@ struct mad_rmpp_recv {
int seg_num;
int newwin;
u64 tid;
__be64 tid;
u32 src_qp;
u16 slid;
u8 mgmt_class;
@ -100,6 +100,121 @@ void ib_cancel_rmpp_recvs(struct ib_mad_agent_private *agent)
}
}
static int data_offset(u8 mgmt_class)
{
if (mgmt_class == IB_MGMT_CLASS_SUBN_ADM)
return offsetof(struct ib_sa_mad, data);
else if ((mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
(mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END))
return offsetof(struct ib_vendor_mad, data);
else
return offsetof(struct ib_rmpp_mad, data);
}
static void format_ack(struct ib_rmpp_mad *ack,
struct ib_rmpp_mad *data,
struct mad_rmpp_recv *rmpp_recv)
{
unsigned long flags;
memcpy(&ack->mad_hdr, &data->mad_hdr,
data_offset(data->mad_hdr.mgmt_class));
ack->mad_hdr.method ^= IB_MGMT_METHOD_RESP;
ack->rmpp_hdr.rmpp_type = IB_MGMT_RMPP_TYPE_ACK;
ib_set_rmpp_flags(&ack->rmpp_hdr, IB_MGMT_RMPP_FLAG_ACTIVE);
spin_lock_irqsave(&rmpp_recv->lock, flags);
rmpp_recv->last_ack = rmpp_recv->seg_num;
ack->rmpp_hdr.seg_num = cpu_to_be32(rmpp_recv->seg_num);
ack->rmpp_hdr.paylen_newwin = cpu_to_be32(rmpp_recv->newwin);
spin_unlock_irqrestore(&rmpp_recv->lock, flags);
}
static void ack_recv(struct mad_rmpp_recv *rmpp_recv,
struct ib_mad_recv_wc *recv_wc)
{
struct ib_mad_send_buf *msg;
struct ib_send_wr *bad_send_wr;
int hdr_len, ret;
hdr_len = sizeof(struct ib_mad_hdr) + sizeof(struct ib_rmpp_hdr);
msg = ib_create_send_mad(&rmpp_recv->agent->agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, rmpp_recv->ah, 1,
hdr_len, sizeof(struct ib_rmpp_mad) - hdr_len,
GFP_KERNEL);
if (!msg)
return;
format_ack((struct ib_rmpp_mad *) msg->mad,
(struct ib_rmpp_mad *) recv_wc->recv_buf.mad, rmpp_recv);
ret = ib_post_send_mad(&rmpp_recv->agent->agent, &msg->send_wr,
&bad_send_wr);
if (ret)
ib_free_send_mad(msg);
}
static int alloc_response_msg(struct ib_mad_agent *agent,
struct ib_mad_recv_wc *recv_wc,
struct ib_mad_send_buf **msg)
{
struct ib_mad_send_buf *m;
struct ib_ah *ah;
int hdr_len;
ah = ib_create_ah_from_wc(agent->qp->pd, recv_wc->wc,
recv_wc->recv_buf.grh, agent->port_num);
if (IS_ERR(ah))
return PTR_ERR(ah);
hdr_len = sizeof(struct ib_mad_hdr) + sizeof(struct ib_rmpp_hdr);
m = ib_create_send_mad(agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, ah, 1, hdr_len,
sizeof(struct ib_rmpp_mad) - hdr_len,
GFP_KERNEL);
if (IS_ERR(m)) {
ib_destroy_ah(ah);
return PTR_ERR(m);
}
*msg = m;
return 0;
}
static void free_msg(struct ib_mad_send_buf *msg)
{
ib_destroy_ah(msg->send_wr.wr.ud.ah);
ib_free_send_mad(msg);
}
static void nack_recv(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *recv_wc, u8 rmpp_status)
{
struct ib_mad_send_buf *msg;
struct ib_rmpp_mad *rmpp_mad;
struct ib_send_wr *bad_send_wr;
int ret;
ret = alloc_response_msg(&agent->agent, recv_wc, &msg);
if (ret)
return;
rmpp_mad = (struct ib_rmpp_mad *) msg->mad;
memcpy(rmpp_mad, recv_wc->recv_buf.mad,
data_offset(recv_wc->recv_buf.mad->mad_hdr.mgmt_class));
rmpp_mad->mad_hdr.method ^= IB_MGMT_METHOD_RESP;
rmpp_mad->rmpp_hdr.rmpp_version = IB_MGMT_RMPP_VERSION;
rmpp_mad->rmpp_hdr.rmpp_type = IB_MGMT_RMPP_TYPE_ABORT;
ib_set_rmpp_flags(&rmpp_mad->rmpp_hdr, IB_MGMT_RMPP_FLAG_ACTIVE);
rmpp_mad->rmpp_hdr.rmpp_status = rmpp_status;
rmpp_mad->rmpp_hdr.seg_num = 0;
rmpp_mad->rmpp_hdr.paylen_newwin = 0;
ret = ib_post_send_mad(&agent->agent, &msg->send_wr, &bad_send_wr);
if (ret)
free_msg(msg);
}
static void recv_timeout_handler(void *data)
{
struct mad_rmpp_recv *rmpp_recv = data;
@ -115,8 +230,8 @@ static void recv_timeout_handler(void *data)
list_del(&rmpp_recv->list);
spin_unlock_irqrestore(&rmpp_recv->agent->lock, flags);
/* TODO: send abort. */
rmpp_wc = rmpp_recv->rmpp_wc;
nack_recv(rmpp_recv->agent, rmpp_wc, IB_MGMT_RMPP_STATUS_T2L);
destroy_rmpp_recv(rmpp_recv);
ib_free_recv_mad(rmpp_wc);
}
@ -230,60 +345,6 @@ insert_rmpp_recv(struct ib_mad_agent_private *agent,
return cur_rmpp_recv;
}
static int data_offset(u8 mgmt_class)
{
if (mgmt_class == IB_MGMT_CLASS_SUBN_ADM)
return offsetof(struct ib_sa_mad, data);
else if ((mgmt_class >= IB_MGMT_CLASS_VENDOR_RANGE2_START) &&
(mgmt_class <= IB_MGMT_CLASS_VENDOR_RANGE2_END))
return offsetof(struct ib_vendor_mad, data);
else
return offsetof(struct ib_rmpp_mad, data);
}
static void format_ack(struct ib_rmpp_mad *ack,
struct ib_rmpp_mad *data,
struct mad_rmpp_recv *rmpp_recv)
{
unsigned long flags;
memcpy(&ack->mad_hdr, &data->mad_hdr,
data_offset(data->mad_hdr.mgmt_class));
ack->mad_hdr.method ^= IB_MGMT_METHOD_RESP;
ack->rmpp_hdr.rmpp_type = IB_MGMT_RMPP_TYPE_ACK;
ib_set_rmpp_flags(&ack->rmpp_hdr, IB_MGMT_RMPP_FLAG_ACTIVE);
spin_lock_irqsave(&rmpp_recv->lock, flags);
rmpp_recv->last_ack = rmpp_recv->seg_num;
ack->rmpp_hdr.seg_num = cpu_to_be32(rmpp_recv->seg_num);
ack->rmpp_hdr.paylen_newwin = cpu_to_be32(rmpp_recv->newwin);
spin_unlock_irqrestore(&rmpp_recv->lock, flags);
}
static void ack_recv(struct mad_rmpp_recv *rmpp_recv,
struct ib_mad_recv_wc *recv_wc)
{
struct ib_mad_send_buf *msg;
struct ib_send_wr *bad_send_wr;
int hdr_len, ret;
hdr_len = sizeof(struct ib_mad_hdr) + sizeof(struct ib_rmpp_hdr);
msg = ib_create_send_mad(&rmpp_recv->agent->agent, recv_wc->wc->src_qp,
recv_wc->wc->pkey_index, rmpp_recv->ah, 1,
hdr_len, sizeof(struct ib_rmpp_mad) - hdr_len,
GFP_KERNEL);
if (!msg)
return;
format_ack((struct ib_rmpp_mad *) msg->mad,
(struct ib_rmpp_mad *) recv_wc->recv_buf.mad, rmpp_recv);
ret = ib_post_send_mad(&rmpp_recv->agent->agent, &msg->send_wr,
&bad_send_wr);
if (ret)
ib_free_send_mad(msg);
}
static inline int get_last_flag(struct ib_mad_recv_buf *seg)
{
struct ib_rmpp_mad *rmpp_mad;
@ -559,6 +620,34 @@ static int send_next_seg(struct ib_mad_send_wr_private *mad_send_wr)
return ib_send_mad(mad_send_wr);
}
static void abort_send(struct ib_mad_agent_private *agent, __be64 tid,
u8 rmpp_status)
{
struct ib_mad_send_wr_private *mad_send_wr;
struct ib_mad_send_wc wc;
unsigned long flags;
spin_lock_irqsave(&agent->lock, flags);
mad_send_wr = ib_find_send_mad(agent, tid);
if (!mad_send_wr)
goto out; /* Unmatched send */
if ((mad_send_wr->last_ack == mad_send_wr->total_seg) ||
(!mad_send_wr->timeout) || (mad_send_wr->status != IB_WC_SUCCESS))
goto out; /* Send is already done */
ib_mark_mad_done(mad_send_wr);
spin_unlock_irqrestore(&agent->lock, flags);
wc.status = IB_WC_REM_ABORT_ERR;
wc.vendor_err = rmpp_status;
wc.wr_id = mad_send_wr->wr_id;
ib_mad_complete_send_wr(mad_send_wr, &wc);
return;
out:
spin_unlock_irqrestore(&agent->lock, flags);
}
static void process_rmpp_ack(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *mad_recv_wc)
{
@ -568,11 +657,21 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent,
int seg_num, newwin, ret;
rmpp_mad = (struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad;
if (rmpp_mad->rmpp_hdr.rmpp_status)
if (rmpp_mad->rmpp_hdr.rmpp_status) {
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_BAD_STATUS);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS);
return;
}
seg_num = be32_to_cpu(rmpp_mad->rmpp_hdr.seg_num);
newwin = be32_to_cpu(rmpp_mad->rmpp_hdr.paylen_newwin);
if (newwin < seg_num) {
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_W2S);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_W2S);
return;
}
spin_lock_irqsave(&agent->lock, flags);
mad_send_wr = ib_find_send_mad(agent, rmpp_mad->mad_hdr.tid);
@ -583,8 +682,13 @@ static void process_rmpp_ack(struct ib_mad_agent_private *agent,
(!mad_send_wr->timeout) || (mad_send_wr->status != IB_WC_SUCCESS))
goto out; /* Send is already done */
if (seg_num > mad_send_wr->total_seg)
goto out; /* Bad ACK */
if (seg_num > mad_send_wr->total_seg || seg_num > mad_send_wr->newwin) {
spin_unlock_irqrestore(&agent->lock, flags);
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_S2B);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_S2B);
return;
}
if (newwin < mad_send_wr->newwin || seg_num < mad_send_wr->last_ack)
goto out; /* Old ACK */
@ -628,6 +732,72 @@ out:
spin_unlock_irqrestore(&agent->lock, flags);
}
static struct ib_mad_recv_wc *
process_rmpp_data(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *mad_recv_wc)
{
struct ib_rmpp_hdr *rmpp_hdr;
u8 rmpp_status;
rmpp_hdr = &((struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad)->rmpp_hdr;
if (rmpp_hdr->rmpp_status) {
rmpp_status = IB_MGMT_RMPP_STATUS_BAD_STATUS;
goto bad;
}
if (rmpp_hdr->seg_num == __constant_htonl(1)) {
if (!(ib_get_rmpp_flags(rmpp_hdr) & IB_MGMT_RMPP_FLAG_FIRST)) {
rmpp_status = IB_MGMT_RMPP_STATUS_BAD_SEG;
goto bad;
}
return start_rmpp(agent, mad_recv_wc);
} else {
if (ib_get_rmpp_flags(rmpp_hdr) & IB_MGMT_RMPP_FLAG_FIRST) {
rmpp_status = IB_MGMT_RMPP_STATUS_BAD_SEG;
goto bad;
}
return continue_rmpp(agent, mad_recv_wc);
}
bad:
nack_recv(agent, mad_recv_wc, rmpp_status);
ib_free_recv_mad(mad_recv_wc);
return NULL;
}
static void process_rmpp_stop(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *mad_recv_wc)
{
struct ib_rmpp_mad *rmpp_mad;
rmpp_mad = (struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad;
if (rmpp_mad->rmpp_hdr.rmpp_status != IB_MGMT_RMPP_STATUS_RESX) {
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_BAD_STATUS);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS);
} else
abort_send(agent, rmpp_mad->mad_hdr.tid,
rmpp_mad->rmpp_hdr.rmpp_status);
}
static void process_rmpp_abort(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *mad_recv_wc)
{
struct ib_rmpp_mad *rmpp_mad;
rmpp_mad = (struct ib_rmpp_mad *)mad_recv_wc->recv_buf.mad;
if (rmpp_mad->rmpp_hdr.rmpp_status < IB_MGMT_RMPP_STATUS_ABORT_MIN ||
rmpp_mad->rmpp_hdr.rmpp_status > IB_MGMT_RMPP_STATUS_ABORT_MAX) {
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_BAD_STATUS);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BAD_STATUS);
} else
abort_send(agent, rmpp_mad->mad_hdr.tid,
rmpp_mad->rmpp_hdr.rmpp_status);
}
struct ib_mad_recv_wc *
ib_process_rmpp_recv_wc(struct ib_mad_agent_private *agent,
struct ib_mad_recv_wc *mad_recv_wc)
@ -638,23 +808,29 @@ ib_process_rmpp_recv_wc(struct ib_mad_agent_private *agent,
if (!(rmpp_mad->rmpp_hdr.rmpp_rtime_flags & IB_MGMT_RMPP_FLAG_ACTIVE))
return mad_recv_wc;
if (rmpp_mad->rmpp_hdr.rmpp_version != IB_MGMT_RMPP_VERSION)
if (rmpp_mad->rmpp_hdr.rmpp_version != IB_MGMT_RMPP_VERSION) {
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_UNV);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_UNV);
goto out;
}
switch (rmpp_mad->rmpp_hdr.rmpp_type) {
case IB_MGMT_RMPP_TYPE_DATA:
if (rmpp_mad->rmpp_hdr.seg_num == __constant_htonl(1))
return start_rmpp(agent, mad_recv_wc);
else
return continue_rmpp(agent, mad_recv_wc);
return process_rmpp_data(agent, mad_recv_wc);
case IB_MGMT_RMPP_TYPE_ACK:
process_rmpp_ack(agent, mad_recv_wc);
break;
case IB_MGMT_RMPP_TYPE_STOP:
process_rmpp_stop(agent, mad_recv_wc);
break;
case IB_MGMT_RMPP_TYPE_ABORT:
/* TODO: process_rmpp_nack(agent, mad_recv_wc); */
process_rmpp_abort(agent, mad_recv_wc);
break;
default:
abort_send(agent, rmpp_mad->mad_hdr.tid,
IB_MGMT_RMPP_STATUS_BADT);
nack_recv(agent, mad_recv_wc, IB_MGMT_RMPP_STATUS_BADT);
break;
}
out:
@ -714,7 +890,10 @@ int ib_process_rmpp_send_wc(struct ib_mad_send_wr_private *mad_send_wr,
if (rmpp_mad->rmpp_hdr.rmpp_type != IB_MGMT_RMPP_TYPE_DATA) {
msg = (struct ib_mad_send_buf *) (unsigned long)
mad_send_wc->wr_id;
ib_free_send_mad(msg);
if (rmpp_mad->rmpp_hdr.rmpp_type == IB_MGMT_RMPP_TYPE_ACK)
ib_free_send_mad(msg);
else
free_msg(msg);
return IB_RMPP_RESULT_INTERNAL; /* ACK, STOP, or ABORT */
}

3
drivers/infiniband/core/packer.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -32,7 +33,7 @@
* $Id: packer.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <ib_pack.h>
#include <rdma/ib_pack.h>
static u64 value_read(int offset, int size, void *structure)
{

6
drivers/infiniband/core/sa_query.c
Просмотреть файл

@ -1,6 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
* Copyright (c) 2005 Voltaire, 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
@ -44,8 +44,8 @@
#include <linux/kref.h>
#include <linux/idr.h>
#include <ib_pack.h>
#include <ib_sa.h>
#include <rdma/ib_pack.h>
#include <rdma/ib_sa.h>
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("InfiniBand subnet administration query support");

13
drivers/infiniband/core/smi.c
Просмотреть файл

@ -1,9 +1,10 @@
/*
* Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2004, 2005 Infinicon Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Topspin Corporation. All rights reserved.
* Copyright (c) 2004, 2005 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -36,7 +37,7 @@
* $Id: smi.c 1389 2004-12-27 22:56:47Z roland $
*/
#include <ib_smi.h>
#include <rdma/ib_smi.h>
#include "smi.h"
/*

40
drivers/infiniband/core/sysfs.c
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -34,7 +36,7 @@
#include "core_priv.h"
#include <ib_mad.h>
#include <rdma/ib_mad.h>
struct ib_port {
struct kobject kobj;
@ -253,14 +255,14 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
return ret;
return sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
be16_to_cpu(((u16 *) gid.raw)[0]),
be16_to_cpu(((u16 *) gid.raw)[1]),
be16_to_cpu(((u16 *) gid.raw)[2]),
be16_to_cpu(((u16 *) gid.raw)[3]),
be16_to_cpu(((u16 *) gid.raw)[4]),
be16_to_cpu(((u16 *) gid.raw)[5]),
be16_to_cpu(((u16 *) gid.raw)[6]),
be16_to_cpu(((u16 *) gid.raw)[7]));
be16_to_cpu(((__be16 *) gid.raw)[0]),
be16_to_cpu(((__be16 *) gid.raw)[1]),
be16_to_cpu(((__be16 *) gid.raw)[2]),
be16_to_cpu(((__be16 *) gid.raw)[3]),
be16_to_cpu(((__be16 *) gid.raw)[4]),
be16_to_cpu(((__be16 *) gid.raw)[5]),
be16_to_cpu(((__be16 *) gid.raw)[6]),
be16_to_cpu(((__be16 *) gid.raw)[7]));
}
static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
@ -332,11 +334,11 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
break;
case 16:
ret = sprintf(buf, "%u\n",
be16_to_cpup((u16 *)(out_mad->data + 40 + offset / 8)));
be16_to_cpup((__be16 *)(out_mad->data + 40 + offset / 8)));
break;
case 32:
ret = sprintf(buf, "%u\n",
be32_to_cpup((u32 *)(out_mad->data + 40 + offset / 8)));
be32_to_cpup((__be32 *)(out_mad->data + 40 + offset / 8)));
break;
default:
ret = 0;
@ -598,10 +600,10 @@ static ssize_t show_sys_image_guid(struct class_device *cdev, char *buf)
return ret;
return sprintf(buf, "%04x:%04x:%04x:%04x\n",
be16_to_cpu(((u16 *) &attr.sys_image_guid)[0]),
be16_to_cpu(((u16 *) &attr.sys_image_guid)[1]),
be16_to_cpu(((u16 *) &attr.sys_image_guid)[2]),
be16_to_cpu(((u16 *) &attr.sys_image_guid)[3]));
be16_to_cpu(((__be16 *) &attr.sys_image_guid)[0]),
be16_to_cpu(((__be16 *) &attr.sys_image_guid)[1]),
be16_to_cpu(((__be16 *) &attr.sys_image_guid)[2]),
be16_to_cpu(((__be16 *) &attr.sys_image_guid)[3]));
}
static ssize_t show_node_guid(struct class_device *cdev, char *buf)
@ -615,10 +617,10 @@ static ssize_t show_node_guid(struct class_device *cdev, char *buf)
return ret;
return sprintf(buf, "%04x:%04x:%04x:%04x\n",
be16_to_cpu(((u16 *) &attr.node_guid)[0]),
be16_to_cpu(((u16 *) &attr.node_guid)[1]),
be16_to_cpu(((u16 *) &attr.node_guid)[2]),
be16_to_cpu(((u16 *) &attr.node_guid)[3]));
be16_to_cpu(((__be16 *) &attr.node_guid)[0]),
be16_to_cpu(((__be16 *) &attr.node_guid)[1]),
be16_to_cpu(((__be16 *) &attr.node_guid)[2]),
be16_to_cpu(((__be16 *) &attr.node_guid)[3]));
}
static CLASS_DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);

464
drivers/infiniband/core/ucm.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Intel Corporation. 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
@ -73,14 +74,18 @@ static struct semaphore ctx_id_mutex;
static struct idr ctx_id_table;
static int ctx_id_rover = 0;
static struct ib_ucm_context *ib_ucm_ctx_get(int id)
static struct ib_ucm_context *ib_ucm_ctx_get(struct ib_ucm_file *file, int id)
{
struct ib_ucm_context *ctx;
down(&ctx_id_mutex);
ctx = idr_find(&ctx_id_table, id);
if (ctx)
ctx->ref++;
if (!ctx)
ctx = ERR_PTR(-ENOENT);
else if (ctx->file != file)
ctx = ERR_PTR(-EINVAL);
else
atomic_inc(&ctx->ref);
up(&ctx_id_mutex);
return ctx;
@ -88,21 +93,37 @@ static struct ib_ucm_context *ib_ucm_ctx_get(int id)
static void ib_ucm_ctx_put(struct ib_ucm_context *ctx)
{
if (atomic_dec_and_test(&ctx->ref))
wake_up(&ctx->wait);
}
static ssize_t ib_ucm_destroy_ctx(struct ib_ucm_file *file, int id)
{
struct ib_ucm_context *ctx;
struct ib_ucm_event *uevent;
down(&ctx_id_mutex);
ctx->ref--;
if (!ctx->ref)
ctx = idr_find(&ctx_id_table, id);
if (!ctx)
ctx = ERR_PTR(-ENOENT);
else if (ctx->file != file)
ctx = ERR_PTR(-EINVAL);
else
idr_remove(&ctx_id_table, ctx->id);
up(&ctx_id_mutex);
if (ctx->ref)
return;
if (IS_ERR(ctx))
return PTR_ERR(ctx);
down(&ctx->file->mutex);
atomic_dec(&ctx->ref);
wait_event(ctx->wait, !atomic_read(&ctx->ref));
/* No new events will be generated after destroying the cm_id. */
if (!IS_ERR(ctx->cm_id))
ib_destroy_cm_id(ctx->cm_id);
/* Cleanup events not yet reported to the user. */
down(&file->mutex);
list_del(&ctx->file_list);
while (!list_empty(&ctx->events)) {
@ -117,13 +138,10 @@ static void ib_ucm_ctx_put(struct ib_ucm_context *ctx)
kfree(uevent);
}
up(&file->mutex);
up(&ctx->file->mutex);
ucm_dbg("Destroyed CM ID <%d>\n", ctx->id);
ib_destroy_cm_id(ctx->cm_id);
kfree(ctx);
return 0;
}
static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
@ -135,11 +153,11 @@ static struct ib_ucm_context *ib_ucm_ctx_alloc(struct ib_ucm_file *file)
if (!ctx)
return NULL;
ctx->ref = 1; /* user reference */
atomic_set(&ctx->ref, 1);
init_waitqueue_head(&ctx->wait);
ctx->file = file;
INIT_LIST_HEAD(&ctx->events);
init_MUTEX(&ctx->mutex);
list_add_tail(&ctx->file_list, &file->ctxs);
@ -177,8 +195,8 @@ static void ib_ucm_event_path_get(struct ib_ucm_path_rec *upath,
if (!kpath || !upath)
return;
memcpy(upath->dgid, kpath->dgid.raw, sizeof(union ib_gid));
memcpy(upath->sgid, kpath->sgid.raw, sizeof(union ib_gid));
memcpy(upath->dgid, kpath->dgid.raw, sizeof *upath->dgid);
memcpy(upath->sgid, kpath->sgid.raw, sizeof *upath->sgid);
upath->dlid = kpath->dlid;
upath->slid = kpath->slid;
@ -201,10 +219,11 @@ static void ib_ucm_event_path_get(struct ib_ucm_path_rec *upath,
kpath->packet_life_time_selector;
}
static void ib_ucm_event_req_get(struct ib_ucm_req_event_resp *ureq,
static void ib_ucm_event_req_get(struct ib_ucm_context *ctx,
struct ib_ucm_req_event_resp *ureq,
struct ib_cm_req_event_param *kreq)
{
ureq->listen_id = (long)kreq->listen_id->context;
ureq->listen_id = ctx->id;
ureq->remote_ca_guid = kreq->remote_ca_guid;
ureq->remote_qkey = kreq->remote_qkey;
@ -240,34 +259,11 @@ static void ib_ucm_event_rep_get(struct ib_ucm_rep_event_resp *urep,
urep->srq = krep->srq;
}
static void ib_ucm_event_rej_get(struct ib_ucm_rej_event_resp *urej,
struct ib_cm_rej_event_param *krej)
{
urej->reason = krej->reason;
}
static void ib_ucm_event_mra_get(struct ib_ucm_mra_event_resp *umra,
struct ib_cm_mra_event_param *kmra)
{
umra->timeout = kmra->service_timeout;
}
static void ib_ucm_event_lap_get(struct ib_ucm_lap_event_resp *ulap,
struct ib_cm_lap_event_param *klap)
{
ib_ucm_event_path_get(&ulap->path, klap->alternate_path);
}
static void ib_ucm_event_apr_get(struct ib_ucm_apr_event_resp *uapr,
struct ib_cm_apr_event_param *kapr)
{
uapr->status = kapr->ap_status;
}
static void ib_ucm_event_sidr_req_get(struct ib_ucm_sidr_req_event_resp *ureq,
static void ib_ucm_event_sidr_req_get(struct ib_ucm_context *ctx,
struct ib_ucm_sidr_req_event_resp *ureq,
struct ib_cm_sidr_req_event_param *kreq)
{
ureq->listen_id = (long)kreq->listen_id->context;
ureq->listen_id = ctx->id;
ureq->pkey = kreq->pkey;
}
@ -279,19 +275,18 @@ static void ib_ucm_event_sidr_rep_get(struct ib_ucm_sidr_rep_event_resp *urep,
urep->qpn = krep->qpn;
};
static int ib_ucm_event_process(struct ib_cm_event *evt,
static int ib_ucm_event_process(struct ib_ucm_context *ctx,
struct ib_cm_event *evt,
struct ib_ucm_event *uvt)
{
void *info = NULL;
int result;
switch (evt->event) {
case IB_CM_REQ_RECEIVED:
ib_ucm_event_req_get(&uvt->resp.u.req_resp,
ib_ucm_event_req_get(ctx, &uvt->resp.u.req_resp,
&evt->param.req_rcvd);
uvt->data_len = IB_CM_REQ_PRIVATE_DATA_SIZE;
uvt->resp.present |= (evt->param.req_rcvd.primary_path ?
IB_UCM_PRES_PRIMARY : 0);
uvt->resp.present = IB_UCM_PRES_PRIMARY;
uvt->resp.present |= (evt->param.req_rcvd.alternate_path ?
IB_UCM_PRES_ALTERNATE : 0);
break;
@ -299,57 +294,46 @@ static int ib_ucm_event_process(struct ib_cm_event *evt,
ib_ucm_event_rep_get(&uvt->resp.u.rep_resp,
&evt->param.rep_rcvd);
uvt->data_len = IB_CM_REP_PRIVATE_DATA_SIZE;
break;
case IB_CM_RTU_RECEIVED:
uvt->data_len = IB_CM_RTU_PRIVATE_DATA_SIZE;
uvt->resp.u.send_status = evt->param.send_status;
break;
case IB_CM_DREQ_RECEIVED:
uvt->data_len = IB_CM_DREQ_PRIVATE_DATA_SIZE;
uvt->resp.u.send_status = evt->param.send_status;
break;
case IB_CM_DREP_RECEIVED:
uvt->data_len = IB_CM_DREP_PRIVATE_DATA_SIZE;
uvt->resp.u.send_status = evt->param.send_status;
break;
case IB_CM_MRA_RECEIVED:
ib_ucm_event_mra_get(&uvt->resp.u.mra_resp,
&evt->param.mra_rcvd);
uvt->resp.u.mra_resp.timeout =
evt->param.mra_rcvd.service_timeout;
uvt->data_len = IB_CM_MRA_PRIVATE_DATA_SIZE;
break;
case IB_CM_REJ_RECEIVED:
ib_ucm_event_rej_get(&uvt->resp.u.rej_resp,
&evt->param.rej_rcvd);
uvt->resp.u.rej_resp.reason = evt->param.rej_rcvd.reason;
uvt->data_len = IB_CM_REJ_PRIVATE_DATA_SIZE;
uvt->info_len = evt->param.rej_rcvd.ari_length;
info = evt->param.rej_rcvd.ari;
break;
case IB_CM_LAP_RECEIVED:
ib_ucm_event_lap_get(&uvt->resp.u.lap_resp,
&evt->param.lap_rcvd);
ib_ucm_event_path_get(&uvt->resp.u.lap_resp.path,
evt->param.lap_rcvd.alternate_path);
uvt->data_len = IB_CM_LAP_PRIVATE_DATA_SIZE;
uvt->resp.present |= (evt->param.lap_rcvd.alternate_path ?
IB_UCM_PRES_ALTERNATE : 0);
uvt->resp.present = IB_UCM_PRES_ALTERNATE;
break;
case IB_CM_APR_RECEIVED:
ib_ucm_event_apr_get(&uvt->resp.u.apr_resp,
&evt->param.apr_rcvd);
uvt->resp.u.apr_resp.status = evt->param.apr_rcvd.ap_status;
uvt->data_len = IB_CM_APR_PRIVATE_DATA_SIZE;
uvt->info_len = evt->param.apr_rcvd.info_len;
info = evt->param.apr_rcvd.apr_info;
break;
case IB_CM_SIDR_REQ_RECEIVED:
ib_ucm_event_sidr_req_get(&uvt->resp.u.sidr_req_resp,
ib_ucm_event_sidr_req_get(ctx, &uvt->resp.u.sidr_req_resp,
&evt->param.sidr_req_rcvd);
uvt->data_len = IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE;
break;
case IB_CM_SIDR_REP_RECEIVED:
ib_ucm_event_sidr_rep_get(&uvt->resp.u.sidr_rep_resp,
@ -357,43 +341,35 @@ static int ib_ucm_event_process(struct ib_cm_event *evt,
uvt->data_len = IB_CM_SIDR_REP_PRIVATE_DATA_SIZE;
uvt->info_len = evt->param.sidr_rep_rcvd.info_len;
info = evt->param.sidr_rep_rcvd.info;
break;
default:
uvt->resp.u.send_status = evt->param.send_status;
break;
}
if (uvt->data_len && evt->private_data) {
if (uvt->data_len) {
uvt->data = kmalloc(uvt->data_len, GFP_KERNEL);
if (!uvt->data) {
result = -ENOMEM;
goto error;
}
if (!uvt->data)
goto err1;
memcpy(uvt->data, evt->private_data, uvt->data_len);
uvt->resp.present |= IB_UCM_PRES_DATA;
}
if (uvt->info_len && info) {
if (uvt->info_len) {
uvt->info = kmalloc(uvt->info_len, GFP_KERNEL);
if (!uvt->info) {
result = -ENOMEM;
goto error;
}
if (!uvt->info)
goto err2;
memcpy(uvt->info, info, uvt->info_len);
uvt->resp.present |= IB_UCM_PRES_INFO;
}
return 0;
error:
kfree(uvt->info);
err2:
kfree(uvt->data);
return result;
err1:
return -ENOMEM;
}
static int ib_ucm_event_handler(struct ib_cm_id *cm_id,
@ -403,63 +379,42 @@ static int ib_ucm_event_handler(struct ib_cm_id *cm_id,
struct ib_ucm_context *ctx;
int result = 0;
int id;
/*
* lookup correct context based on event type.
*/
switch (event->event) {
case IB_CM_REQ_RECEIVED:
id = (long)event->param.req_rcvd.listen_id->context;
break;
case IB_CM_SIDR_REQ_RECEIVED:
id = (long)event->param.sidr_req_rcvd.listen_id->context;
break;
default:
id = (long)cm_id->context;
break;
}
ucm_dbg("Event. CM ID <%d> event <%d>\n", id, event->event);
ctx = ib_ucm_ctx_get(id);
if (!ctx)
return -ENOENT;
ctx = cm_id->context;
if (event->event == IB_CM_REQ_RECEIVED ||
event->event == IB_CM_SIDR_REQ_RECEIVED)
id = IB_UCM_CM_ID_INVALID;
else
id = ctx->id;
uevent = kmalloc(sizeof(*uevent), GFP_KERNEL);
if (!uevent) {
result = -ENOMEM;
goto done;
}
if (!uevent)
goto err1;
memset(uevent, 0, sizeof(*uevent));
uevent->resp.id = id;
uevent->resp.event = event->event;
result = ib_ucm_event_process(event, uevent);
result = ib_ucm_event_process(ctx, event, uevent);
if (result)
goto done;
goto err2;
uevent->ctx = ctx;
uevent->cm_id = ((event->event == IB_CM_REQ_RECEIVED ||
event->event == IB_CM_SIDR_REQ_RECEIVED ) ?
cm_id : NULL);
uevent->cm_id = (id == IB_UCM_CM_ID_INVALID) ? cm_id : NULL;
down(&ctx->file->mutex);
list_add_tail(&uevent->file_list, &ctx->file->events);
list_add_tail(&uevent->ctx_list, &ctx->events);
wake_up_interruptible(&ctx->file->poll_wait);
up(&ctx->file->mutex);
done:
ctx->error = result;
ib_ucm_ctx_put(ctx); /* func reference */
return result;
return 0;
err2:
kfree(uevent);
err1:
/* Destroy new cm_id's */
return (id == IB_UCM_CM_ID_INVALID);
}
static ssize_t ib_ucm_event(struct ib_ucm_file *file,
@ -517,9 +472,8 @@ static ssize_t ib_ucm_event(struct ib_ucm_file *file,
goto done;
}
ctx->cm_id = uevent->cm_id;
ctx->cm_id->cm_handler = ib_ucm_event_handler;
ctx->cm_id->context = (void *)(unsigned long)ctx->id;
ctx->cm_id = uevent->cm_id;
ctx->cm_id->context = ctx;
uevent->resp.id = ctx->id;
@ -585,30 +539,29 @@ static ssize_t ib_ucm_create_id(struct ib_ucm_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
down(&file->mutex);
ctx = ib_ucm_ctx_alloc(file);
up(&file->mutex);
if (!ctx)
return -ENOMEM;
ctx->cm_id = ib_create_cm_id(ib_ucm_event_handler,
(void *)(unsigned long)ctx->id);
if (!ctx->cm_id) {
result = -ENOMEM;
goto err_cm;
ctx->cm_id = ib_create_cm_id(ib_ucm_event_handler, ctx);
if (IS_ERR(ctx->cm_id)) {
result = PTR_ERR(ctx->cm_id);
goto err;
}
resp.id = ctx->id;
if (copy_to_user((void __user *)(unsigned long)cmd.response,
&resp, sizeof(resp))) {
result = -EFAULT;
goto err_ret;
goto err;
}
return 0;
err_ret:
ib_destroy_cm_id(ctx->cm_id);
err_cm:
ib_ucm_ctx_put(ctx); /* user reference */
err:
ib_ucm_destroy_ctx(file, ctx->id);
return result;
}
@ -617,19 +570,11 @@ static ssize_t ib_ucm_destroy_id(struct ib_ucm_file *file,
int in_len, int out_len)
{
struct ib_ucm_destroy_id cmd;
struct ib_ucm_context *ctx;
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx)
return -ENOENT;
ib_ucm_ctx_put(ctx); /* user reference */
ib_ucm_ctx_put(ctx); /* func reference */
return 0;
return ib_ucm_destroy_ctx(file, cmd.id);
}
static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file,
@ -647,15 +592,9 @@ static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx)
return -ENOENT;
down(&ctx->file->mutex);
if (ctx->file != file) {
result = -EINVAL;
goto done;
}
ctx = ib_ucm_ctx_get(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
resp.service_id = ctx->cm_id->service_id;
resp.service_mask = ctx->cm_id->service_mask;
@ -666,9 +605,7 @@ static ssize_t ib_ucm_attr_id(struct ib_ucm_file *file,
&resp, sizeof(resp)))
result = -EFAULT;
done:
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
ib_ucm_ctx_put(ctx);
return result;
}
@ -683,19 +620,12 @@ static ssize_t ib_ucm_listen(struct ib_ucm_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx)
return -ENOENT;
ctx = ib_ucm_ctx_get(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
result = ib_cm_listen(ctx->cm_id, cmd.service_id,
cmd.service_mask);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
result = ib_cm_listen(ctx->cm_id, cmd.service_id, cmd.service_mask);
ib_ucm_ctx_put(ctx);
return result;
}
@ -710,18 +640,12 @@ static ssize_t ib_ucm_establish(struct ib_ucm_file *file,
if (copy_from_user(&cmd, inbuf, sizeof(cmd)))
return -EFAULT;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx)
return -ENOENT;
ctx = ib_ucm_ctx_get(file, cmd.id);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
result = ib_cm_establish(ctx->cm_id);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
result = ib_cm_establish(ctx->cm_id);
ib_ucm_ctx_put(ctx);
return result;
}
@ -768,8 +692,8 @@ static int ib_ucm_path_get(struct ib_sa_path_rec **path, u64 src)
return -EFAULT;
}
memcpy(sa_path->dgid.raw, ucm_path.dgid, sizeof(union ib_gid));
memcpy(sa_path->sgid.raw, ucm_path.sgid, sizeof(union ib_gid));
memcpy(sa_path->dgid.raw, ucm_path.dgid, sizeof sa_path->dgid);
memcpy(sa_path->sgid.raw, ucm_path.sgid, sizeof sa_path->sgid);
sa_path->dlid = ucm_path.dlid;
sa_path->slid = ucm_path.slid;
@ -839,25 +763,17 @@ static ssize_t ib_ucm_send_req(struct ib_ucm_file *file,
param.max_cm_retries = cmd.max_cm_retries;
param.srq = cmd.srq;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_req(ctx->cm_id, &param);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(param.private_data);
kfree(param.primary_path);
kfree(param.alternate_path);
return result;
}
@ -890,23 +806,14 @@ static ssize_t ib_ucm_send_rep(struct ib_ucm_file *file,
param.rnr_retry_count = cmd.rnr_retry_count;
param.srq = cmd.srq;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_rep(ctx->cm_id, &param);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(param.private_data);
return result;
}
@ -928,23 +835,14 @@ static ssize_t ib_ucm_send_private_data(struct ib_ucm_file *file,
if (result)
return result;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = func(ctx->cm_id, private_data, cmd.len);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(private_data);
return result;
}
@ -995,26 +893,17 @@ static ssize_t ib_ucm_send_info(struct ib_ucm_file *file,
if (result)
goto done;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
result = func(ctx->cm_id, cmd.status,
info, cmd.info_len,
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = func(ctx->cm_id, cmd.status, info, cmd.info_len,
data, cmd.data_len);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(data);
kfree(info);
return result;
}
@ -1048,24 +937,14 @@ static ssize_t ib_ucm_send_mra(struct ib_ucm_file *file,
if (result)
return result;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_mra(ctx->cm_id, cmd.timeout, data, cmd.len);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
result = ib_send_cm_mra(ctx->cm_id, cmd.timeout,
data, cmd.len);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(data);
return result;
}
@ -1090,24 +969,16 @@ static ssize_t ib_ucm_send_lap(struct ib_ucm_file *file,
if (result)
goto done;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_lap(ctx->cm_id, path, data, cmd.len);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(data);
kfree(path);
return result;
}
@ -1140,24 +1011,16 @@ static ssize_t ib_ucm_send_sidr_req(struct ib_ucm_file *file,
param.max_cm_retries = cmd.max_cm_retries;
param.pkey = cmd.pkey;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_sidr_req(ctx->cm_id, &param);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(param.private_data);
kfree(param.path);
return result;
}
@ -1184,30 +1047,22 @@ static ssize_t ib_ucm_send_sidr_rep(struct ib_ucm_file *file,
if (result)
goto done;
param.qp_num = cmd.qpn;
param.qkey = cmd.qkey;
param.status = cmd.status;
param.info_length = cmd.info_len;
param.private_data_len = cmd.data_len;
param.qp_num = cmd.qpn;
param.qkey = cmd.qkey;
param.status = cmd.status;
param.info_length = cmd.info_len;
param.private_data_len = cmd.data_len;
ctx = ib_ucm_ctx_get(cmd.id);
if (!ctx) {
result = -ENOENT;
goto done;
}
down(&ctx->file->mutex);
if (ctx->file != file)
result = -EINVAL;
else
ctx = ib_ucm_ctx_get(file, cmd.id);
if (!IS_ERR(ctx)) {
result = ib_send_cm_sidr_rep(ctx->cm_id, &param);
ib_ucm_ctx_put(ctx);
} else
result = PTR_ERR(ctx);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* func reference */
done:
kfree(param.private_data);
kfree(param.info);
return result;
}
@ -1305,22 +1160,17 @@ static int ib_ucm_close(struct inode *inode, struct file *filp)
struct ib_ucm_context *ctx;
down(&file->mutex);
while (!list_empty(&file->ctxs)) {
ctx = list_entry(file->ctxs.next,
struct ib_ucm_context, file_list);
up(&ctx->file->mutex);
ib_ucm_ctx_put(ctx); /* user reference */
up(&file->mutex);
ib_ucm_destroy_ctx(file, ctx->id);
down(&file->mutex);
}
up(&file->mutex);
kfree(file);
ucm_dbg("Deleted struct\n");
return 0;
}

13
drivers/infiniband/core/ucm.h
Просмотреть файл

@ -40,17 +40,15 @@
#include <linux/cdev.h>
#include <linux/idr.h>
#include <ib_cm.h>
#include <ib_user_cm.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_user_cm.h>
#define IB_UCM_CM_ID_INVALID 0xffffffff
struct ib_ucm_file {
struct semaphore mutex;
struct file *filp;
/*
* list of pending events
*/
struct list_head ctxs; /* list of active connections */
struct list_head events; /* list of pending events */
wait_queue_head_t poll_wait;
@ -58,12 +56,11 @@ struct ib_ucm_file {
struct ib_ucm_context {
int id;
int ref;
int error;
wait_queue_head_t wait;
atomic_t ref;
struct ib_ucm_file *file;
struct ib_cm_id *cm_id;
struct semaphore mutex;
struct list_head events; /* list of pending events. */
struct list_head file_list; /* member in file ctx list */

11
drivers/infiniband/core/ud_header.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -34,7 +35,7 @@
#include <linux/errno.h>
#include <ib_pack.h>
#include <rdma/ib_pack.h>
#define STRUCT_FIELD(header, field) \
.struct_offset_bytes = offsetof(struct ib_unpacked_ ## header, field), \
@ -194,6 +195,7 @@ void ib_ud_header_init(int payload_bytes,
struct ib_ud_header *header)
{
int header_len;
u16 packet_length;
memset(header, 0, sizeof *header);
@ -208,7 +210,7 @@ void ib_ud_header_init(int payload_bytes,
header->lrh.link_version = 0;
header->lrh.link_next_header =
grh_present ? IB_LNH_IBA_GLOBAL : IB_LNH_IBA_LOCAL;
header->lrh.packet_length = (IB_LRH_BYTES +
packet_length = (IB_LRH_BYTES +
IB_BTH_BYTES +
IB_DETH_BYTES +
payload_bytes +
@ -217,8 +219,7 @@ void ib_ud_header_init(int payload_bytes,
header->grh_present = grh_present;
if (grh_present) {
header->lrh.packet_length += IB_GRH_BYTES / 4;
packet_length += IB_GRH_BYTES / 4;
header->grh.ip_version = 6;
header->grh.payload_length =
cpu_to_be16((IB_BTH_BYTES +
@ -229,7 +230,7 @@ void ib_ud_header_init(int payload_bytes,
header->grh.next_header = 0x1b;
}
cpu_to_be16s(&header->lrh.packet_length);
header->lrh.packet_length = cpu_to_be16(packet_length);
if (header->immediate_present)
header->bth.opcode = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE;

8
drivers/infiniband/core/user_mad.c
Просмотреть файл

@ -49,8 +49,8 @@
#include <asm/uaccess.h>
#include <asm/semaphore.h>
#include <ib_mad.h>
#include <ib_user_mad.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_user_mad.h>
MODULE_AUTHOR("Roland Dreier");
MODULE_DESCRIPTION("InfiniBand userspace MAD packet access");
@ -271,7 +271,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
struct ib_send_wr *bad_wr;
struct ib_rmpp_mad *rmpp_mad;
u8 method;
u64 *tid;
__be64 *tid;
int ret, length, hdr_len, data_len, rmpp_hdr_size;
int rmpp_active = 0;
@ -316,7 +316,7 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
if (packet->mad.hdr.grh_present) {
ah_attr.ah_flags = IB_AH_GRH;
memcpy(ah_attr.grh.dgid.raw, packet->mad.hdr.gid, 16);
ah_attr.grh.flow_label = packet->mad.hdr.flow_label;
ah_attr.grh.flow_label = be32_to_cpu(packet->mad.hdr.flow_label);
ah_attr.grh.hop_limit = packet->mad.hdr.hop_limit;
ah_attr.grh.traffic_class = packet->mad.hdr.traffic_class;
}

11
drivers/infiniband/core/uverbs.h
Просмотреть файл

@ -1,6 +1,8 @@
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2005 Voltaire, 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
@ -43,8 +45,8 @@
#include <linux/kref.h>
#include <linux/idr.h>
#include <ib_verbs.h>
#include <ib_user_verbs.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_user_verbs.h>
struct ib_uverbs_device {
int devnum;
@ -97,10 +99,12 @@ extern struct idr ib_uverbs_mw_idr;
extern struct idr ib_uverbs_ah_idr;
extern struct idr ib_uverbs_cq_idr;
extern struct idr ib_uverbs_qp_idr;
extern struct idr ib_uverbs_srq_idr;
void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq_context);
void ib_uverbs_cq_event_handler(struct ib_event *event, void *context_ptr);
void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr);
void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr);
int ib_umem_get(struct ib_device *dev, struct ib_umem *mem,
void *addr, size_t size, int write);
@ -129,5 +133,8 @@ IB_UVERBS_DECLARE_CMD(modify_qp);
IB_UVERBS_DECLARE_CMD(destroy_qp);
IB_UVERBS_DECLARE_CMD(attach_mcast);
IB_UVERBS_DECLARE_CMD(detach_mcast);
IB_UVERBS_DECLARE_CMD(create_srq);
IB_UVERBS_DECLARE_CMD(modify_srq);
IB_UVERBS_DECLARE_CMD(destroy_srq);
#endif /* UVERBS_H */

182
drivers/infiniband/core/uverbs_cmd.c
Просмотреть файл

@ -724,6 +724,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
struct ib_uobject *uobj;
struct ib_pd *pd;
struct ib_cq *scq, *rcq;
struct ib_srq *srq;
struct ib_qp *qp;
struct ib_qp_init_attr attr;
int ret;
@ -747,10 +748,12 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
scq = idr_find(&ib_uverbs_cq_idr, cmd.send_cq_handle);
rcq = idr_find(&ib_uverbs_cq_idr, cmd.recv_cq_handle);
srq = cmd.is_srq ? idr_find(&ib_uverbs_srq_idr, cmd.srq_handle) : NULL;
if (!pd || pd->uobject->context != file->ucontext ||
!scq || scq->uobject->context != file->ucontext ||
!rcq || rcq->uobject->context != file->ucontext) {
!rcq || rcq->uobject->context != file->ucontext ||
(cmd.is_srq && (!srq || srq->uobject->context != file->ucontext))) {
ret = -EINVAL;
goto err_up;
}
@ -759,7 +762,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
attr.qp_context = file;
attr.send_cq = scq;
attr.recv_cq = rcq;
attr.srq = NULL;
attr.srq = srq;
attr.sq_sig_type = cmd.sq_sig_all ? IB_SIGNAL_ALL_WR : IB_SIGNAL_REQ_WR;
attr.qp_type = cmd.qp_type;
@ -1004,3 +1007,178 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file,
return ret ? ret : in_len;
}
ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
{
struct ib_uverbs_create_srq cmd;
struct ib_uverbs_create_srq_resp resp;
struct ib_udata udata;
struct ib_uobject *uobj;
struct ib_pd *pd;
struct ib_srq *srq;
struct ib_srq_init_attr attr;
int ret;
if (out_len < sizeof resp)
return -ENOSPC;
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
INIT_UDATA(&udata, buf + sizeof cmd,
(unsigned long) cmd.response + sizeof resp,
in_len - sizeof cmd, out_len - sizeof resp);
uobj = kmalloc(sizeof *uobj, GFP_KERNEL);
if (!uobj)
return -ENOMEM;
down(&ib_uverbs_idr_mutex);
pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
if (!pd || pd->uobject->context != file->ucontext) {
ret = -EINVAL;
goto err_up;
}
attr.event_handler = ib_uverbs_srq_event_handler;
attr.srq_context = file;
attr.attr.max_wr = cmd.max_wr;
attr.attr.max_sge = cmd.max_sge;
attr.attr.srq_limit = cmd.srq_limit;
uobj->user_handle = cmd.user_handle;
uobj->context = file->ucontext;
srq = pd->device->create_srq(pd, &attr, &udata);
if (IS_ERR(srq)) {
ret = PTR_ERR(srq);
goto err_up;
}
srq->device = pd->device;
srq->pd = pd;
srq->uobject = uobj;
srq->event_handler = attr.event_handler;
srq->srq_context = attr.srq_context;
atomic_inc(&pd->usecnt);
atomic_set(&srq->usecnt, 0);
memset(&resp, 0, sizeof resp);
retry:
if (!idr_pre_get(&ib_uverbs_srq_idr, GFP_KERNEL)) {
ret = -ENOMEM;
goto err_destroy;
}
ret = idr_get_new(&ib_uverbs_srq_idr, srq, &uobj->id);
if (ret == -EAGAIN)
goto retry;
if (ret)
goto err_destroy;
resp.srq_handle = uobj->id;
spin_lock_irq(&file->ucontext->lock);
list_add_tail(&uobj->list, &file->ucontext->srq_list);
spin_unlock_irq(&file->ucontext->lock);
if (copy_to_user((void __user *) (unsigned long) cmd.response,
&resp, sizeof resp)) {
ret = -EFAULT;
goto err_list;
}
up(&ib_uverbs_idr_mutex);
return in_len;
err_list:
spin_lock_irq(&file->ucontext->lock);
list_del(&uobj->list);
spin_unlock_irq(&file->ucontext->lock);
err_destroy:
ib_destroy_srq(srq);
err_up:
up(&ib_uverbs_idr_mutex);
kfree(uobj);
return ret;
}
ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
{
struct ib_uverbs_modify_srq cmd;
struct ib_srq *srq;
struct ib_srq_attr attr;
int ret;
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
down(&ib_uverbs_idr_mutex);
srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle);
if (!srq || srq->uobject->context != file->ucontext) {
ret = -EINVAL;
goto out;
}
attr.max_wr = cmd.max_wr;
attr.max_sge = cmd.max_sge;
attr.srq_limit = cmd.srq_limit;
ret = ib_modify_srq(srq, &attr, cmd.attr_mask);
out:
up(&ib_uverbs_idr_mutex);
return ret ? ret : in_len;
}
ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
const char __user *buf, int in_len,
int out_len)
{
struct ib_uverbs_destroy_srq cmd;
struct ib_srq *srq;
struct ib_uobject *uobj;
int ret = -EINVAL;
if (copy_from_user(&cmd, buf, sizeof cmd))
return -EFAULT;
down(&ib_uverbs_idr_mutex);
srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle);
if (!srq || srq->uobject->context != file->ucontext)
goto out;
uobj = srq->uobject;
ret = ib_destroy_srq(srq);
if (ret)
goto out;
idr_remove(&ib_uverbs_srq_idr, cmd.srq_handle);
spin_lock_irq(&file->ucontext->lock);
list_del(&uobj->list);
spin_unlock_irq(&file->ucontext->lock);
kfree(uobj);
out:
up(&ib_uverbs_idr_mutex);
return ret ? ret : in_len;
}

22
drivers/infiniband/core/uverbs_main.c
Просмотреть файл

@ -1,6 +1,8 @@
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2005 Voltaire, 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
@ -67,6 +69,7 @@ DEFINE_IDR(ib_uverbs_mw_idr);
DEFINE_IDR(ib_uverbs_ah_idr);
DEFINE_IDR(ib_uverbs_cq_idr);
DEFINE_IDR(ib_uverbs_qp_idr);
DEFINE_IDR(ib_uverbs_srq_idr);
static spinlock_t map_lock;
static DECLARE_BITMAP(dev_map, IB_UVERBS_MAX_DEVICES);
@ -91,6 +94,9 @@ static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file,
[IB_USER_VERBS_CMD_DESTROY_QP] = ib_uverbs_destroy_qp,
[IB_USER_VERBS_CMD_ATTACH_MCAST] = ib_uverbs_attach_mcast,
[IB_USER_VERBS_CMD_DETACH_MCAST] = ib_uverbs_detach_mcast,
[IB_USER_VERBS_CMD_CREATE_SRQ] = ib_uverbs_create_srq,
[IB_USER_VERBS_CMD_MODIFY_SRQ] = ib_uverbs_modify_srq,
[IB_USER_VERBS_CMD_DESTROY_SRQ] = ib_uverbs_destroy_srq,
};
static struct vfsmount *uverbs_event_mnt;
@ -125,7 +131,14 @@ static int ib_dealloc_ucontext(struct ib_ucontext *context)
kfree(uobj);
}
/* XXX Free SRQs */
list_for_each_entry_safe(uobj, tmp, &context->srq_list, list) {
struct ib_srq *srq = idr_find(&ib_uverbs_srq_idr, uobj->id);
idr_remove(&ib_uverbs_srq_idr, uobj->id);
ib_destroy_srq(srq);
list_del(&uobj->list);
kfree(uobj);
}
/* XXX Free MWs */
list_for_each_entry_safe(uobj, tmp, &context->mr_list, list) {
@ -344,6 +357,13 @@ void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr)
event->event);
}
void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr)
{
ib_uverbs_async_handler(context_ptr,
event->element.srq->uobject->user_handle,
event->event);
}
static void ib_uverbs_event_handler(struct ib_event_handler *handler,
struct ib_event *event)
{

1
drivers/infiniband/core/uverbs_mem.c
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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

65
drivers/infiniband/core/verbs.c
Просмотреть файл

@ -4,6 +4,7 @@
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
@ -40,8 +41,8 @@
#include <linux/errno.h>
#include <linux/err.h>
#include <ib_verbs.h>
#include <ib_cache.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>
/* Protection domains */
@ -153,6 +154,66 @@ int ib_destroy_ah(struct ib_ah *ah)
}
EXPORT_SYMBOL(ib_destroy_ah);
/* Shared receive queues */
struct ib_srq *ib_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr)
{
struct ib_srq *srq;
if (!pd->device->create_srq)
return ERR_PTR(-ENOSYS);
srq = pd->device->create_srq(pd, srq_init_attr, NULL);
if (!IS_ERR(srq)) {
srq->device = pd->device;
srq->pd = pd;
srq->uobject = NULL;
srq->event_handler = srq_init_attr->event_handler;
srq->srq_context = srq_init_attr->srq_context;
atomic_inc(&pd->usecnt);
atomic_set(&srq->usecnt, 0);
}
return srq;
}
EXPORT_SYMBOL(ib_create_srq);
int ib_modify_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask)
{
return srq->device->modify_srq(srq, srq_attr, srq_attr_mask);
}
EXPORT_SYMBOL(ib_modify_srq);
int ib_query_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr)
{
return srq->device->query_srq ?
srq->device->query_srq(srq, srq_attr) : -ENOSYS;
}
EXPORT_SYMBOL(ib_query_srq);
int ib_destroy_srq(struct ib_srq *srq)
{
struct ib_pd *pd;
int ret;
if (atomic_read(&srq->usecnt))
return -EBUSY;
pd = srq->pd;
ret = srq->device->destroy_srq(srq);
if (!ret)
atomic_dec(&pd->usecnt);
return ret;
}
EXPORT_SYMBOL(ib_destroy_srq);
/* Queue pairs */
struct ib_qp *ib_create_qp(struct ib_pd *pd,

4
drivers/infiniband/hw/mthca/Makefile
Просмотреть файл

@ -1,5 +1,3 @@
EXTRA_CFLAGS += -Idrivers/infiniband/include
ifdef CONFIG_INFINIBAND_MTHCA_DEBUG
EXTRA_CFLAGS += -DDEBUG
endif
@ -9,4 +7,4 @@ obj-$(CONFIG_INFINIBAND_MTHCA) += ib_mthca.o
ib_mthca-y := mthca_main.o mthca_cmd.o mthca_profile.o mthca_reset.o \
mthca_allocator.o mthca_eq.o mthca_pd.o mthca_cq.o \
mthca_mr.o mthca_qp.o mthca_av.o mthca_mcg.o mthca_mad.o \
mthca_provider.o mthca_memfree.o mthca_uar.o
mthca_provider.o mthca_memfree.o mthca_uar.o mthca_srq.o

116
drivers/infiniband/hw/mthca/mthca_allocator.c
Просмотреть файл

@ -177,3 +177,119 @@ void mthca_array_cleanup(struct mthca_array *array, int nent)
kfree(array->page_list);
}
/*
* Handling for queue buffers -- we allocate a bunch of memory and
* register it in a memory region at HCA virtual address 0. If the
* requested size is > max_direct, we split the allocation into
* multiple pages, so we don't require too much contiguous memory.
*/
int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
int hca_write, struct mthca_mr *mr)
{
int err = -ENOMEM;
int npages, shift;
u64 *dma_list = NULL;
dma_addr_t t;
int i;
if (size <= max_direct) {
*is_direct = 1;
npages = 1;
shift = get_order(size) + PAGE_SHIFT;
buf->direct.buf = dma_alloc_coherent(&dev->pdev->dev,
size, &t, GFP_KERNEL);
if (!buf->direct.buf)
return -ENOMEM;
pci_unmap_addr_set(&buf->direct, mapping, t);
memset(buf->direct.buf, 0, size);
while (t & ((1 << shift) - 1)) {
--shift;
npages *= 2;
}
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
goto err_free;
for (i = 0; i < npages; ++i)
dma_list[i] = t + i * (1 << shift);
} else {
*is_direct = 0;
npages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
shift = PAGE_SHIFT;
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
return -ENOMEM;
buf->page_list = kmalloc(npages * sizeof *buf->page_list,
GFP_KERNEL);
if (!buf->page_list)
goto err_out;
for (i = 0; i < npages; ++i)
buf->page_list[i].buf = NULL;
for (i = 0; i < npages; ++i) {
buf->page_list[i].buf =
dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
&t, GFP_KERNEL);
if (!buf->page_list[i].buf)
goto err_free;
dma_list[i] = t;
pci_unmap_addr_set(&buf->page_list[i], mapping, t);
memset(buf->page_list[i].buf, 0, PAGE_SIZE);
}
}
err = mthca_mr_alloc_phys(dev, pd->pd_num,
dma_list, shift, npages,
0, size,
MTHCA_MPT_FLAG_LOCAL_READ |
(hca_write ? MTHCA_MPT_FLAG_LOCAL_WRITE : 0),
mr);
if (err)
goto err_free;
kfree(dma_list);
return 0;
err_free:
mthca_buf_free(dev, size, buf, *is_direct, NULL);
err_out:
kfree(dma_list);
return err;
}
void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
int is_direct, struct mthca_mr *mr)
{
int i;
if (mr)
mthca_free_mr(dev, mr);
if (is_direct)
dma_free_coherent(&dev->pdev->dev, size, buf->direct.buf,
pci_unmap_addr(&buf->direct, mapping));
else {
for (i = 0; i < (size + PAGE_SIZE - 1) / PAGE_SIZE; ++i)
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
buf->page_list[i].buf,
pci_unmap_addr(&buf->page_list[i],
mapping));
kfree(buf->page_list);
}
}

28
drivers/infiniband/hw/mthca/mthca_av.c
Просмотреть файл

@ -35,22 +35,22 @@
#include <linux/init.h>
#include <ib_verbs.h>
#include <ib_cache.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_cache.h>
#include "mthca_dev.h"
struct mthca_av {
u32 port_pd;
u8 reserved1;
u8 g_slid;
u16 dlid;
u8 reserved2;
u8 gid_index;
u8 msg_sr;
u8 hop_limit;
u32 sl_tclass_flowlabel;
u32 dgid[4];
__be32 port_pd;
u8 reserved1;
u8 g_slid;
__be16 dlid;
u8 reserved2;
u8 gid_index;
u8 msg_sr;
u8 hop_limit;
__be32 sl_tclass_flowlabel;
__be32 dgid[4];
};
int mthca_create_ah(struct mthca_dev *dev,
@ -128,7 +128,7 @@ on_hca_fail:
av, (unsigned long) ah->avdma);
for (j = 0; j < 8; ++j)
printk(KERN_DEBUG " [%2x] %08x\n",
j * 4, be32_to_cpu(((u32 *) av)[j]));
j * 4, be32_to_cpu(((__be32 *) av)[j]));
}
if (ah->type == MTHCA_AH_ON_HCA) {
@ -169,7 +169,7 @@ int mthca_read_ah(struct mthca_dev *dev, struct mthca_ah *ah,
header->lrh.service_level = be32_to_cpu(ah->av->sl_tclass_flowlabel) >> 28;
header->lrh.destination_lid = ah->av->dlid;
header->lrh.source_lid = ah->av->g_slid & 0x7f;
header->lrh.source_lid = cpu_to_be16(ah->av->g_slid & 0x7f);
if (ah->av->g_slid & 0x80) {
header->grh_present = 1;
header->grh.traffic_class =

106
drivers/infiniband/hw/mthca/mthca_cmd.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -36,7 +37,7 @@
#include <linux/pci.h>
#include <linux/errno.h>
#include <asm/io.h>
#include <ib_mad.h>
#include <rdma/ib_mad.h>
#include "mthca_dev.h"
#include "mthca_config_reg.h"
@ -108,6 +109,7 @@ enum {
CMD_SW2HW_SRQ = 0x35,
CMD_HW2SW_SRQ = 0x36,
CMD_QUERY_SRQ = 0x37,
CMD_ARM_SRQ = 0x40,
/* QP/EE commands */
CMD_RST2INIT_QPEE = 0x19,
@ -219,20 +221,20 @@ static int mthca_cmd_post(struct mthca_dev *dev,
* (and some architectures such as ia64 implement memcpy_toio
* in terms of writeb).
*/
__raw_writel(cpu_to_be32(in_param >> 32), dev->hcr + 0 * 4);
__raw_writel(cpu_to_be32(in_param & 0xfffffffful), dev->hcr + 1 * 4);
__raw_writel(cpu_to_be32(in_modifier), dev->hcr + 2 * 4);
__raw_writel(cpu_to_be32(out_param >> 32), dev->hcr + 3 * 4);
__raw_writel(cpu_to_be32(out_param & 0xfffffffful), dev->hcr + 4 * 4);
__raw_writel(cpu_to_be32(token << 16), dev->hcr + 5 * 4);
__raw_writel((__force u32) cpu_to_be32(in_param >> 32), dev->hcr + 0 * 4);
__raw_writel((__force u32) cpu_to_be32(in_param & 0xfffffffful), dev->hcr + 1 * 4);
__raw_writel((__force u32) cpu_to_be32(in_modifier), dev->hcr + 2 * 4);
__raw_writel((__force u32) cpu_to_be32(out_param >> 32), dev->hcr + 3 * 4);
__raw_writel((__force u32) cpu_to_be32(out_param & 0xfffffffful), dev->hcr + 4 * 4);
__raw_writel((__force u32) cpu_to_be32(token << 16), dev->hcr + 5 * 4);
/* __raw_writel may not order writes. */
wmb();
__raw_writel(cpu_to_be32((1 << HCR_GO_BIT) |
(event ? (1 << HCA_E_BIT) : 0) |
(op_modifier << HCR_OPMOD_SHIFT) |
op), dev->hcr + 6 * 4);
__raw_writel((__force u32) cpu_to_be32((1 << HCR_GO_BIT) |
(event ? (1 << HCA_E_BIT) : 0) |
(op_modifier << HCR_OPMOD_SHIFT) |
op), dev->hcr + 6 * 4);
out:
up(&dev->cmd.hcr_sem);
@ -273,12 +275,14 @@ static int mthca_cmd_poll(struct mthca_dev *dev,
goto out;
}
if (out_is_imm) {
memcpy_fromio(out_param, dev->hcr + HCR_OUT_PARAM_OFFSET, sizeof (u64));
be64_to_cpus(out_param);
}
if (out_is_imm)
*out_param =
(u64) be32_to_cpu((__force __be32)
__raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET)) << 32 |
(u64) be32_to_cpu((__force __be32)
__raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET + 4));
*status = be32_to_cpu(__raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24;
*status = be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24;
out:
up(&dev->cmd.poll_sem);
@ -1029,6 +1033,8 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
mthca_dbg(dev, "Max QPs: %d, reserved QPs: %d, entry size: %d\n",
dev_lim->max_qps, dev_lim->reserved_qps, dev_lim->qpc_entry_sz);
mthca_dbg(dev, "Max SRQs: %d, reserved SRQs: %d, entry size: %d\n",
dev_lim->max_srqs, dev_lim->reserved_srqs, dev_lim->srq_entry_sz);
mthca_dbg(dev, "Max CQs: %d, reserved CQs: %d, entry size: %d\n",
dev_lim->max_cqs, dev_lim->reserved_cqs, dev_lim->cqc_entry_sz);
mthca_dbg(dev, "Max EQs: %d, reserved EQs: %d, entry size: %d\n",
@ -1082,6 +1088,34 @@ out:
return err;
}
static void get_board_id(void *vsd, char *board_id)
{
int i;
#define VSD_OFFSET_SIG1 0x00
#define VSD_OFFSET_SIG2 0xde
#define VSD_OFFSET_MLX_BOARD_ID 0xd0
#define VSD_OFFSET_TS_BOARD_ID 0x20
#define VSD_SIGNATURE_TOPSPIN 0x5ad
memset(board_id, 0, MTHCA_BOARD_ID_LEN);
if (be16_to_cpup(vsd + VSD_OFFSET_SIG1) == VSD_SIGNATURE_TOPSPIN &&
be16_to_cpup(vsd + VSD_OFFSET_SIG2) == VSD_SIGNATURE_TOPSPIN) {
strlcpy(board_id, vsd + VSD_OFFSET_TS_BOARD_ID, MTHCA_BOARD_ID_LEN);
} else {
/*
* The board ID is a string but the firmware byte
* swaps each 4-byte word before passing it back to
* us. Therefore we need to swab it before printing.
*/
for (i = 0; i < 4; ++i)
((u32 *) board_id)[i] =
swab32(*(u32 *) (vsd + VSD_OFFSET_MLX_BOARD_ID + i * 4));
}
}
int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
struct mthca_adapter *adapter, u8 *status)
{
@ -1094,6 +1128,7 @@ int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
#define QUERY_ADAPTER_DEVICE_ID_OFFSET 0x04
#define QUERY_ADAPTER_REVISION_ID_OFFSET 0x08
#define QUERY_ADAPTER_INTA_PIN_OFFSET 0x10
#define QUERY_ADAPTER_VSD_OFFSET 0x20
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
@ -1111,6 +1146,9 @@ int mthca_QUERY_ADAPTER(struct mthca_dev *dev,
MTHCA_GET(adapter->revision_id, outbox, QUERY_ADAPTER_REVISION_ID_OFFSET);
MTHCA_GET(adapter->inta_pin, outbox, QUERY_ADAPTER_INTA_PIN_OFFSET);
get_board_id(outbox + QUERY_ADAPTER_VSD_OFFSET / 4,
adapter->board_id);
out:
mthca_free_mailbox(dev, mailbox);
return err;
@ -1121,7 +1159,7 @@ int mthca_INIT_HCA(struct mthca_dev *dev,
u8 *status)
{
struct mthca_mailbox *mailbox;
u32 *inbox;
__be32 *inbox;
int err;
#define INIT_HCA_IN_SIZE 0x200
@ -1247,10 +1285,8 @@ int mthca_INIT_IB(struct mthca_dev *dev,
#define INIT_IB_FLAG_SIG (1 << 18)
#define INIT_IB_FLAG_NG (1 << 17)
#define INIT_IB_FLAG_G0 (1 << 16)
#define INIT_IB_FLAG_1X (1 << 8)
#define INIT_IB_FLAG_4X (1 << 9)
#define INIT_IB_FLAG_12X (1 << 11)
#define INIT_IB_VL_SHIFT 4
#define INIT_IB_PORT_WIDTH_SHIFT 8
#define INIT_IB_MTU_SHIFT 12
#define INIT_IB_MAX_GID_OFFSET 0x06
#define INIT_IB_MAX_PKEY_OFFSET 0x0a
@ -1266,12 +1302,11 @@ int mthca_INIT_IB(struct mthca_dev *dev,
memset(inbox, 0, INIT_IB_IN_SIZE);
flags = 0;
flags |= param->enable_1x ? INIT_IB_FLAG_1X : 0;
flags |= param->enable_4x ? INIT_IB_FLAG_4X : 0;
flags |= param->set_guid0 ? INIT_IB_FLAG_G0 : 0;
flags |= param->set_node_guid ? INIT_IB_FLAG_NG : 0;
flags |= param->set_si_guid ? INIT_IB_FLAG_SIG : 0;
flags |= param->vl_cap << INIT_IB_VL_SHIFT;
flags |= param->port_width << INIT_IB_PORT_WIDTH_SHIFT;
flags |= param->mtu_cap << INIT_IB_MTU_SHIFT;
MTHCA_PUT(inbox, flags, INIT_IB_FLAGS_OFFSET);
@ -1342,7 +1377,7 @@ int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *st
int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status)
{
struct mthca_mailbox *mailbox;
u64 *inbox;
__be64 *inbox;
int err;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
@ -1468,6 +1503,27 @@ int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
CMD_TIME_CLASS_A, status);
}
int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int srq_num, u8 *status)
{
return mthca_cmd(dev, mailbox->dma, srq_num, 0, CMD_SW2HW_SRQ,
CMD_TIME_CLASS_A, status);
}
int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int srq_num, u8 *status)
{
return mthca_cmd_box(dev, 0, mailbox->dma, srq_num, 0,
CMD_HW2SW_SRQ,
CMD_TIME_CLASS_A, status);
}
int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status)
{
return mthca_cmd(dev, limit, srq_num, 0, CMD_ARM_SRQ,
CMD_TIME_CLASS_B, status);
}
int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
int is_ee, struct mthca_mailbox *mailbox, u32 optmask,
u8 *status)
@ -1513,7 +1569,7 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
if (i % 8 == 0)
printk(" [%02x] ", i * 4);
printk(" %08x",
be32_to_cpu(((u32 *) mailbox->buf)[i + 2]));
be32_to_cpu(((__be32 *) mailbox->buf)[i + 2]));
if ((i + 1) % 8 == 0)
printk("\n");
}
@ -1533,7 +1589,7 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
if (i % 8 == 0)
printk("[%02x] ", i * 4);
printk(" %08x",
be32_to_cpu(((u32 *) mailbox->buf)[i + 2]));
be32_to_cpu(((__be32 *) mailbox->buf)[i + 2]));
if ((i + 1) % 8 == 0)
printk("\n");
}

20
drivers/infiniband/hw/mthca/mthca_cmd.h
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -35,7 +36,7 @@
#ifndef MTHCA_CMD_H
#define MTHCA_CMD_H
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
#define MTHCA_MAILBOX_SIZE 4096
@ -183,10 +184,11 @@ struct mthca_dev_lim {
};
struct mthca_adapter {
u32 vendor_id;
u32 device_id;
u32 revision_id;
u8 inta_pin;
u32 vendor_id;
u32 device_id;
u32 revision_id;
char board_id[MTHCA_BOARD_ID_LEN];
u8 inta_pin;
};
struct mthca_init_hca_param {
@ -218,8 +220,7 @@ struct mthca_init_hca_param {
};
struct mthca_init_ib_param {
int enable_1x;
int enable_4x;
int port_width;
int vl_cap;
int mtu_cap;
u16 gid_cap;
@ -297,6 +298,11 @@ int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status);
int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int cq_num, u8 *status);
int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int srq_num, u8 *status);
int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox,
int srq_num, u8 *status);
int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status);
int mthca_MODIFY_QP(struct mthca_dev *dev, int trans, u32 num,
int is_ee, struct mthca_mailbox *mailbox, u32 optmask,
u8 *status);

1
drivers/infiniband/hw/mthca/mthca_config_reg.h
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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

256
drivers/infiniband/hw/mthca/mthca_cq.c
Просмотреть файл

@ -2,6 +2,8 @@
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -37,7 +39,7 @@
#include <linux/init.h>
#include <linux/hardirq.h>
#include <ib_pack.h>
#include <rdma/ib_pack.h>
#include "mthca_dev.h"
#include "mthca_cmd.h"
@ -55,21 +57,21 @@ enum {
* Must be packed because start is 64 bits but only aligned to 32 bits.
*/
struct mthca_cq_context {
u32 flags;
u64 start;
u32 logsize_usrpage;
u32 error_eqn; /* Tavor only */
u32 comp_eqn;
u32 pd;
u32 lkey;
u32 last_notified_index;
u32 solicit_producer_index;
u32 consumer_index;
u32 producer_index;
u32 cqn;
u32 ci_db; /* Arbel only */
u32 state_db; /* Arbel only */
u32 reserved;
__be32 flags;
__be64 start;
__be32 logsize_usrpage;
__be32 error_eqn; /* Tavor only */
__be32 comp_eqn;
__be32 pd;
__be32 lkey;
__be32 last_notified_index;
__be32 solicit_producer_index;
__be32 consumer_index;
__be32 producer_index;
__be32 cqn;
__be32 ci_db; /* Arbel only */
__be32 state_db; /* Arbel only */
u32 reserved;
} __attribute__((packed));
#define MTHCA_CQ_STATUS_OK ( 0 << 28)
@ -108,31 +110,31 @@ enum {
};
struct mthca_cqe {
u32 my_qpn;
u32 my_ee;
u32 rqpn;
u16 sl_g_mlpath;
u16 rlid;
u32 imm_etype_pkey_eec;
u32 byte_cnt;
u32 wqe;
u8 opcode;
u8 is_send;
u8 reserved;
u8 owner;
__be32 my_qpn;
__be32 my_ee;
__be32 rqpn;
__be16 sl_g_mlpath;
__be16 rlid;
__be32 imm_etype_pkey_eec;
__be32 byte_cnt;
__be32 wqe;
u8 opcode;
u8 is_send;
u8 reserved;
u8 owner;
};
struct mthca_err_cqe {
u32 my_qpn;
u32 reserved1[3];
u8 syndrome;
u8 reserved2;
u16 db_cnt;
u32 reserved3;
u32 wqe;
u8 opcode;
u8 reserved4[2];
u8 owner;
__be32 my_qpn;
u32 reserved1[3];
u8 syndrome;
u8 reserved2;
__be16 db_cnt;
u32 reserved3;
__be32 wqe;
u8 opcode;
u8 reserved4[2];
u8 owner;
};
#define MTHCA_CQ_ENTRY_OWNER_SW (0 << 7)
@ -191,7 +193,7 @@ static void dump_cqe(struct mthca_dev *dev, void *cqe_ptr)
static inline void update_cons_index(struct mthca_dev *dev, struct mthca_cq *cq,
int incr)
{
u32 doorbell[2];
__be32 doorbell[2];
if (mthca_is_memfree(dev)) {
*cq->set_ci_db = cpu_to_be32(cq->cons_index);
@ -222,7 +224,8 @@ void mthca_cq_event(struct mthca_dev *dev, u32 cqn)
cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
}
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn)
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq)
{
struct mthca_cq *cq;
struct mthca_cqe *cqe;
@ -263,8 +266,11 @@ void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn)
*/
while (prod_index > cq->cons_index) {
cqe = get_cqe(cq, (prod_index - 1) & cq->ibcq.cqe);
if (cqe->my_qpn == cpu_to_be32(qpn))
if (cqe->my_qpn == cpu_to_be32(qpn)) {
if (srq)
mthca_free_srq_wqe(srq, be32_to_cpu(cqe->wqe));
++nfreed;
}
else if (nfreed)
memcpy(get_cqe(cq, (prod_index - 1 + nfreed) &
cq->ibcq.cqe),
@ -291,7 +297,7 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
{
int err;
int dbd;
u32 new_wqe;
__be32 new_wqe;
if (cqe->syndrome == SYNDROME_LOCAL_QP_OP_ERR) {
mthca_dbg(dev, "local QP operation err "
@ -365,6 +371,13 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
break;
}
/*
* Mem-free HCAs always generate one CQE per WQE, even in the
* error case, so we don't have to check the doorbell count, etc.
*/
if (mthca_is_memfree(dev))
return 0;
err = mthca_free_err_wqe(dev, qp, is_send, wqe_index, &dbd, &new_wqe);
if (err)
return err;
@ -373,12 +386,8 @@ static int handle_error_cqe(struct mthca_dev *dev, struct mthca_cq *cq,
* If we're at the end of the WQE chain, or we've used up our
* doorbell count, free the CQE. Otherwise just update it for
* the next poll operation.
*
* This does not apply to mem-free HCAs: they don't use the
* doorbell count field, and so we should always free the CQE.
*/
if (mthca_is_memfree(dev) ||
!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd))
if (!(new_wqe & cpu_to_be32(0x3f)) || (!cqe->db_cnt && dbd))
return 0;
cqe->db_cnt = cpu_to_be16(be16_to_cpu(cqe->db_cnt) - dbd);
@ -450,23 +459,27 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
>> wq->wqe_shift);
entry->wr_id = (*cur_qp)->wrid[wqe_index +
(*cur_qp)->rq.max];
} else if ((*cur_qp)->ibqp.srq) {
struct mthca_srq *srq = to_msrq((*cur_qp)->ibqp.srq);
u32 wqe = be32_to_cpu(cqe->wqe);
wq = NULL;
wqe_index = wqe >> srq->wqe_shift;
entry->wr_id = srq->wrid[wqe_index];
mthca_free_srq_wqe(srq, wqe);
} else {
wq = &(*cur_qp)->rq;
wqe_index = be32_to_cpu(cqe->wqe) >> wq->wqe_shift;
entry->wr_id = (*cur_qp)->wrid[wqe_index];
}
if (wq->last_comp < wqe_index)
wq->tail += wqe_index - wq->last_comp;
else
wq->tail += wqe_index + wq->max - wq->last_comp;
if (wq) {
if (wq->last_comp < wqe_index)
wq->tail += wqe_index - wq->last_comp;
else
wq->tail += wqe_index + wq->max - wq->last_comp;
wq->last_comp = wqe_index;
if (0)
mthca_dbg(dev, "%s completion for QP %06x, index %d (nr %d)\n",
is_send ? "Send" : "Receive",
(*cur_qp)->qpn, wqe_index, wq->max);
wq->last_comp = wqe_index;
}
if (is_error) {
err = handle_error_cqe(dev, cq, *cur_qp, wqe_index, is_send,
@ -584,13 +597,13 @@ int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify)
{
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32((notify == IB_CQ_SOLICITED ?
MTHCA_TAVOR_CQ_DB_REQ_NOT_SOL :
MTHCA_TAVOR_CQ_DB_REQ_NOT) |
to_mcq(cq)->cqn);
doorbell[1] = 0xffffffff;
doorbell[1] = (__force __be32) 0xffffffff;
mthca_write64(doorbell,
to_mdev(cq->device)->kar + MTHCA_CQ_DOORBELL,
@ -602,9 +615,9 @@ int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify)
int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
{
struct mthca_cq *cq = to_mcq(ibcq);
u32 doorbell[2];
__be32 doorbell[2];
u32 sn;
u32 ci;
__be32 ci;
sn = cq->arm_sn & 3;
ci = cpu_to_be32(cq->cons_index);
@ -637,113 +650,8 @@ int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
static void mthca_free_cq_buf(struct mthca_dev *dev, struct mthca_cq *cq)
{
int i;
int size;
if (cq->is_direct)
dma_free_coherent(&dev->pdev->dev,
(cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE,
cq->queue.direct.buf,
pci_unmap_addr(&cq->queue.direct,
mapping));
else {
size = (cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE;
for (i = 0; i < (size + PAGE_SIZE - 1) / PAGE_SIZE; ++i)
if (cq->queue.page_list[i].buf)
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
cq->queue.page_list[i].buf,
pci_unmap_addr(&cq->queue.page_list[i],
mapping));
kfree(cq->queue.page_list);
}
}
static int mthca_alloc_cq_buf(struct mthca_dev *dev, int size,
struct mthca_cq *cq)
{
int err = -ENOMEM;
int npages, shift;
u64 *dma_list = NULL;
dma_addr_t t;
int i;
if (size <= MTHCA_MAX_DIRECT_CQ_SIZE) {
cq->is_direct = 1;
npages = 1;
shift = get_order(size) + PAGE_SHIFT;
cq->queue.direct.buf = dma_alloc_coherent(&dev->pdev->dev,
size, &t, GFP_KERNEL);
if (!cq->queue.direct.buf)
return -ENOMEM;
pci_unmap_addr_set(&cq->queue.direct, mapping, t);
memset(cq->queue.direct.buf, 0, size);
while (t & ((1 << shift) - 1)) {
--shift;
npages *= 2;
}
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
goto err_free;
for (i = 0; i < npages; ++i)
dma_list[i] = t + i * (1 << shift);
} else {
cq->is_direct = 0;
npages = (size + PAGE_SIZE - 1) / PAGE_SIZE;
shift = PAGE_SHIFT;
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
return -ENOMEM;
cq->queue.page_list = kmalloc(npages * sizeof *cq->queue.page_list,
GFP_KERNEL);
if (!cq->queue.page_list)
goto err_out;
for (i = 0; i < npages; ++i)
cq->queue.page_list[i].buf = NULL;
for (i = 0; i < npages; ++i) {
cq->queue.page_list[i].buf =
dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
&t, GFP_KERNEL);
if (!cq->queue.page_list[i].buf)
goto err_free;
dma_list[i] = t;
pci_unmap_addr_set(&cq->queue.page_list[i], mapping, t);
memset(cq->queue.page_list[i].buf, 0, PAGE_SIZE);
}
}
err = mthca_mr_alloc_phys(dev, dev->driver_pd.pd_num,
dma_list, shift, npages,
0, size,
MTHCA_MPT_FLAG_LOCAL_WRITE |
MTHCA_MPT_FLAG_LOCAL_READ,
&cq->mr);
if (err)
goto err_free;
kfree(dma_list);
return 0;
err_free:
mthca_free_cq_buf(dev, cq);
err_out:
kfree(dma_list);
return err;
mthca_buf_free(dev, (cq->ibcq.cqe + 1) * MTHCA_CQ_ENTRY_SIZE,
&cq->queue, cq->is_direct, &cq->mr);
}
int mthca_init_cq(struct mthca_dev *dev, int nent,
@ -795,7 +703,9 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
cq_context = mailbox->buf;
if (cq->is_kernel) {
err = mthca_alloc_cq_buf(dev, size, cq);
err = mthca_buf_alloc(dev, size, MTHCA_MAX_DIRECT_CQ_SIZE,
&cq->queue, &cq->is_direct,
&dev->driver_pd, 1, &cq->mr);
if (err)
goto err_out_mailbox;
@ -811,7 +721,6 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
cq_context->flags = cpu_to_be32(MTHCA_CQ_STATUS_OK |
MTHCA_CQ_STATE_DISARMED |
MTHCA_CQ_FLAG_TR);
cq_context->start = cpu_to_be64(0);
cq_context->logsize_usrpage = cpu_to_be32((ffs(nent) - 1) << 24);
if (ctx)
cq_context->logsize_usrpage |= cpu_to_be32(ctx->uar.index);
@ -857,10 +766,8 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
return 0;
err_out_free_mr:
if (cq->is_kernel) {
mthca_free_mr(dev, &cq->mr);
if (cq->is_kernel)
mthca_free_cq_buf(dev, cq);
}
err_out_mailbox:
mthca_free_mailbox(dev, mailbox);
@ -904,7 +811,7 @@ void mthca_free_cq(struct mthca_dev *dev,
mthca_warn(dev, "HW2SW_CQ returned status 0x%02x\n", status);
if (0) {
u32 *ctx = mailbox->buf;
__be32 *ctx = mailbox->buf;
int j;
printk(KERN_ERR "context for CQN %x (cons index %x, next sw %d)\n",
@ -928,7 +835,6 @@ void mthca_free_cq(struct mthca_dev *dev,
wait_event(cq->wait, !atomic_read(&cq->refcount));
if (cq->is_kernel) {
mthca_free_mr(dev, &cq->mr);
mthca_free_cq_buf(dev, cq);
if (mthca_is_memfree(dev)) {
mthca_free_db(dev, MTHCA_DB_TYPE_CQ_ARM, cq->arm_db_index);

52
drivers/infiniband/hw/mthca/mthca_dev.h
Просмотреть файл

@ -2,6 +2,8 @@
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -66,6 +68,10 @@ enum {
MTHCA_MAX_PORTS = 2
};
enum {
MTHCA_BOARD_ID_LEN = 64
};
enum {
MTHCA_EQ_CONTEXT_SIZE = 0x40,
MTHCA_CQ_CONTEXT_SIZE = 0x40,
@ -142,6 +148,7 @@ struct mthca_limits {
int reserved_mcgs;
int num_pds;
int reserved_pds;
u8 port_width_cap;
};
struct mthca_alloc {
@ -211,6 +218,13 @@ struct mthca_cq_table {
struct mthca_icm_table *table;
};
struct mthca_srq_table {
struct mthca_alloc alloc;
spinlock_t lock;
struct mthca_array srq;
struct mthca_icm_table *table;
};
struct mthca_qp_table {
struct mthca_alloc alloc;
u32 rdb_base;
@ -246,6 +260,7 @@ struct mthca_dev {
unsigned long device_cap_flags;
u32 rev_id;
char board_id[MTHCA_BOARD_ID_LEN];
/* firmware info */
u64 fw_ver;
@ -291,6 +306,7 @@ struct mthca_dev {
struct mthca_mr_table mr_table;
struct mthca_eq_table eq_table;
struct mthca_cq_table cq_table;
struct mthca_srq_table srq_table;
struct mthca_qp_table qp_table;
struct mthca_av_table av_table;
struct mthca_mcg_table mcg_table;
@ -331,14 +347,13 @@ extern void __buggy_use_of_MTHCA_PUT(void);
#define MTHCA_PUT(dest, source, offset) \
do { \
__typeof__(source) *__p = \
(__typeof__(source) *) ((char *) (dest) + (offset)); \
void *__d = ((char *) (dest) + (offset)); \
switch (sizeof(source)) { \
case 1: *__p = (source); break; \
case 2: *__p = cpu_to_be16(source); break; \
case 4: *__p = cpu_to_be32(source); break; \
case 8: *__p = cpu_to_be64(source); break; \
default: __buggy_use_of_MTHCA_PUT(); \
case 1: *(u8 *) __d = (source); break; \
case 2: *(__be16 *) __d = cpu_to_be16(source); break; \
case 4: *(__be32 *) __d = cpu_to_be32(source); break; \
case 8: *(__be64 *) __d = cpu_to_be64(source); break; \
default: __buggy_use_of_MTHCA_PUT(); \
} \
} while (0)
@ -354,12 +369,18 @@ int mthca_array_set(struct mthca_array *array, int index, void *value);
void mthca_array_clear(struct mthca_array *array, int index);
int mthca_array_init(struct mthca_array *array, int nent);
void mthca_array_cleanup(struct mthca_array *array, int nent);
int mthca_buf_alloc(struct mthca_dev *dev, int size, int max_direct,
union mthca_buf *buf, int *is_direct, struct mthca_pd *pd,
int hca_write, struct mthca_mr *mr);
void mthca_buf_free(struct mthca_dev *dev, int size, union mthca_buf *buf,
int is_direct, struct mthca_mr *mr);
int mthca_init_uar_table(struct mthca_dev *dev);
int mthca_init_pd_table(struct mthca_dev *dev);
int mthca_init_mr_table(struct mthca_dev *dev);
int mthca_init_eq_table(struct mthca_dev *dev);
int mthca_init_cq_table(struct mthca_dev *dev);
int mthca_init_srq_table(struct mthca_dev *dev);
int mthca_init_qp_table(struct mthca_dev *dev);
int mthca_init_av_table(struct mthca_dev *dev);
int mthca_init_mcg_table(struct mthca_dev *dev);
@ -369,6 +390,7 @@ void mthca_cleanup_pd_table(struct mthca_dev *dev);
void mthca_cleanup_mr_table(struct mthca_dev *dev);
void mthca_cleanup_eq_table(struct mthca_dev *dev);
void mthca_cleanup_cq_table(struct mthca_dev *dev);
void mthca_cleanup_srq_table(struct mthca_dev *dev);
void mthca_cleanup_qp_table(struct mthca_dev *dev);
void mthca_cleanup_av_table(struct mthca_dev *dev);
void mthca_cleanup_mcg_table(struct mthca_dev *dev);
@ -419,7 +441,19 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,
void mthca_free_cq(struct mthca_dev *dev,
struct mthca_cq *cq);
void mthca_cq_event(struct mthca_dev *dev, u32 cqn);
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn);
void mthca_cq_clean(struct mthca_dev *dev, u32 cqn, u32 qpn,
struct mthca_srq *srq);
int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
struct ib_srq_attr *attr, struct mthca_srq *srq);
void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq);
void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
enum ib_event_type event_type);
void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr);
int mthca_tavor_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr);
int mthca_arbel_post_srq_recv(struct ib_srq *srq, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr);
void mthca_qp_event(struct mthca_dev *dev, u32 qpn,
enum ib_event_type event_type);
@ -433,7 +467,7 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
int mthca_arbel_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr);
int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
int index, int *dbd, u32 *new_wqe);
int index, int *dbd, __be32 *new_wqe);
int mthca_alloc_qp(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_cq *send_cq,

13
drivers/infiniband/hw/mthca/mthca_doorbell.h
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -57,13 +58,13 @@ static inline void mthca_write64_raw(__be64 val, void __iomem *dest)
__raw_writeq((__force u64) val, dest);
}
static inline void mthca_write64(u32 val[2], void __iomem *dest,
static inline void mthca_write64(__be32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
__raw_writeq(*(u64 *) val, dest);
}
static inline void mthca_write_db_rec(u32 val[2], u32 *db)
static inline void mthca_write_db_rec(__be32 val[2], __be32 *db)
{
*(u64 *) db = *(u64 *) val;
}
@ -86,18 +87,18 @@ static inline void mthca_write64_raw(__be64 val, void __iomem *dest)
__raw_writel(((__force u32 *) &val)[1], dest + 4);
}
static inline void mthca_write64(u32 val[2], void __iomem *dest,
static inline void mthca_write64(__be32 val[2], void __iomem *dest,
spinlock_t *doorbell_lock)
{
unsigned long flags;
spin_lock_irqsave(doorbell_lock, flags);
__raw_writel(val[0], dest);
__raw_writel(val[1], dest + 4);
__raw_writel((__force u32) val[0], dest);
__raw_writel((__force u32) val[1], dest + 4);
spin_unlock_irqrestore(doorbell_lock, flags);
}
static inline void mthca_write_db_rec(u32 val[2], u32 *db)
static inline void mthca_write_db_rec(__be32 val[2], __be32 *db)
{
db[0] = val[0];
wmb();

63
drivers/infiniband/hw/mthca/mthca_eq.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -51,18 +52,18 @@ enum {
* Must be packed because start is 64 bits but only aligned to 32 bits.
*/
struct mthca_eq_context {
u32 flags;
u64 start;
u32 logsize_usrpage;
u32 tavor_pd; /* reserved for Arbel */
u8 reserved1[3];
u8 intr;
u32 arbel_pd; /* lost_count for Tavor */
u32 lkey;
u32 reserved2[2];
u32 consumer_index;
u32 producer_index;
u32 reserved3[4];
__be32 flags;
__be64 start;
__be32 logsize_usrpage;
__be32 tavor_pd; /* reserved for Arbel */
u8 reserved1[3];
u8 intr;
__be32 arbel_pd; /* lost_count for Tavor */
__be32 lkey;
u32 reserved2[2];
__be32 consumer_index;
__be32 producer_index;
u32 reserved3[4];
} __attribute__((packed));
#define MTHCA_EQ_STATUS_OK ( 0 << 28)
@ -127,28 +128,28 @@ struct mthca_eqe {
union {
u32 raw[6];
struct {
u32 cqn;
__be32 cqn;
} __attribute__((packed)) comp;
struct {
u16 reserved1;
u16 token;
u32 reserved2;
u8 reserved3[3];
u8 status;
u64 out_param;
u16 reserved1;
__be16 token;
u32 reserved2;
u8 reserved3[3];
u8 status;
__be64 out_param;
} __attribute__((packed)) cmd;
struct {
u32 qpn;
__be32 qpn;
} __attribute__((packed)) qp;
struct {
u32 cqn;
u32 reserved1;
u8 reserved2[3];
u8 syndrome;
__be32 cqn;
u32 reserved1;
u8 reserved2[3];
u8 syndrome;
} __attribute__((packed)) cq_err;
struct {
u32 reserved1[2];
u32 port;
u32 reserved1[2];
__be32 port;
} __attribute__((packed)) port_change;
} event;
u8 reserved3[3];
@ -167,7 +168,7 @@ static inline u64 async_mask(struct mthca_dev *dev)
static inline void tavor_set_eq_ci(struct mthca_dev *dev, struct mthca_eq *eq, u32 ci)
{
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32(MTHCA_EQ_DB_SET_CI | eq->eqn);
doorbell[1] = cpu_to_be32(ci & (eq->nent - 1));
@ -190,8 +191,8 @@ static inline void arbel_set_eq_ci(struct mthca_dev *dev, struct mthca_eq *eq, u
{
/* See comment in tavor_set_eq_ci() above. */
wmb();
__raw_writel(cpu_to_be32(ci), dev->eq_regs.arbel.eq_set_ci_base +
eq->eqn * 8);
__raw_writel((__force u32) cpu_to_be32(ci),
dev->eq_regs.arbel.eq_set_ci_base + eq->eqn * 8);
/* We still want ordering, just not swabbing, so add a barrier */
mb();
}
@ -206,7 +207,7 @@ static inline void set_eq_ci(struct mthca_dev *dev, struct mthca_eq *eq, u32 ci)
static inline void tavor_eq_req_not(struct mthca_dev *dev, int eqn)
{
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32(MTHCA_EQ_DB_REQ_NOT | eqn);
doorbell[1] = 0;
@ -224,7 +225,7 @@ static inline void arbel_eq_req_not(struct mthca_dev *dev, u32 eqn_mask)
static inline void disarm_cq(struct mthca_dev *dev, int eqn, int cqn)
{
if (!mthca_is_memfree(dev)) {
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32(MTHCA_EQ_DB_DISARM_CQ | eqn);
doorbell[1] = cpu_to_be32(cqn);

10
drivers/infiniband/hw/mthca/mthca_mad.c
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -32,9 +34,9 @@
* $Id: mthca_mad.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <ib_verbs.h>
#include <ib_mad.h>
#include <ib_smi.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>
#include "mthca_dev.h"
#include "mthca_cmd.h"
@ -192,7 +194,7 @@ int mthca_process_mad(struct ib_device *ibdev,
{
int err;
u8 status;
u16 slid = in_wc ? in_wc->slid : IB_LID_PERMISSIVE;
u16 slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);
/* Forward locally generated traps to the SM */
if (in_mad->mad_hdr.method == IB_MGMT_METHOD_TRAP &&

179
drivers/infiniband/hw/mthca/mthca_main.c
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -34,7 +35,6 @@
*/
#include <linux/config.h>
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/errno.h>
@ -171,6 +171,7 @@ static int __devinit mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim
mdev->limits.reserved_mrws = dev_lim->reserved_mrws;
mdev->limits.reserved_uars = dev_lim->reserved_uars;
mdev->limits.reserved_pds = dev_lim->reserved_pds;
mdev->limits.port_width_cap = dev_lim->max_port_width;
/* IB_DEVICE_RESIZE_MAX_WR not supported by driver.
May be doable since hardware supports it for SRQ.
@ -212,7 +213,6 @@ static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
struct mthca_adapter adapter;
err = mthca_SYS_EN(mdev, &status);
if (err) {
@ -253,6 +253,8 @@ static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
profile = default_profile;
profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
profile.uarc_size = 0;
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
profile.num_srq = dev_lim.max_srqs;
err = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
if (err < 0)
@ -270,26 +272,8 @@ static int __devinit mthca_init_tavor(struct mthca_dev *mdev)
goto err_disable;
}
err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
if (err) {
mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
goto err_close;
}
if (status) {
mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
"aborting.\n", status);
err = -EINVAL;
goto err_close;
}
mdev->eq_table.inta_pin = adapter.inta_pin;
mdev->rev_id = adapter.revision_id;
return 0;
err_close:
mthca_CLOSE_HCA(mdev, 0, &status);
err_disable:
mthca_SYS_DIS(mdev, &status);
@ -442,15 +426,29 @@ static int __devinit mthca_init_icm(struct mthca_dev *mdev,
}
mdev->cq_table.table = mthca_alloc_icm_table(mdev, init_hca->cqc_base,
dev_lim->cqc_entry_sz,
mdev->limits.num_cqs,
mdev->limits.reserved_cqs, 0);
dev_lim->cqc_entry_sz,
mdev->limits.num_cqs,
mdev->limits.reserved_cqs, 0);
if (!mdev->cq_table.table) {
mthca_err(mdev, "Failed to map CQ context memory, aborting.\n");
err = -ENOMEM;
goto err_unmap_rdb;
}
if (mdev->mthca_flags & MTHCA_FLAG_SRQ) {
mdev->srq_table.table =
mthca_alloc_icm_table(mdev, init_hca->srqc_base,
dev_lim->srq_entry_sz,
mdev->limits.num_srqs,
mdev->limits.reserved_srqs, 0);
if (!mdev->srq_table.table) {
mthca_err(mdev, "Failed to map SRQ context memory, "
"aborting.\n");
err = -ENOMEM;
goto err_unmap_cq;
}
}
/*
* It's not strictly required, but for simplicity just map the
* whole multicast group table now. The table isn't very big
@ -466,11 +464,15 @@ static int __devinit mthca_init_icm(struct mthca_dev *mdev,
if (!mdev->mcg_table.table) {
mthca_err(mdev, "Failed to map MCG context memory, aborting.\n");
err = -ENOMEM;
goto err_unmap_cq;
goto err_unmap_srq;
}
return 0;
err_unmap_srq:
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
mthca_free_icm_table(mdev, mdev->srq_table.table);
err_unmap_cq:
mthca_free_icm_table(mdev, mdev->cq_table.table);
@ -506,7 +508,6 @@ static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
struct mthca_dev_lim dev_lim;
struct mthca_profile profile;
struct mthca_init_hca_param init_hca;
struct mthca_adapter adapter;
u64 icm_size;
u8 status;
int err;
@ -551,6 +552,8 @@ static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
profile = default_profile;
profile.num_uar = dev_lim.uar_size / PAGE_SIZE;
profile.num_udav = 0;
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
profile.num_srq = dev_lim.max_srqs;
icm_size = mthca_make_profile(mdev, &profile, &dev_lim, &init_hca);
if ((int) icm_size < 0) {
@ -574,24 +577,11 @@ static int __devinit mthca_init_arbel(struct mthca_dev *mdev)
goto err_free_icm;
}
err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
if (err) {
mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
goto err_free_icm;
}
if (status) {
mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
"aborting.\n", status);
err = -EINVAL;
goto err_free_icm;
}
mdev->eq_table.inta_pin = adapter.inta_pin;
mdev->rev_id = adapter.revision_id;
return 0;
err_free_icm:
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
mthca_free_icm_table(mdev, mdev->srq_table.table);
mthca_free_icm_table(mdev, mdev->cq_table.table);
mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
@ -614,12 +604,70 @@ err_disable:
return err;
}
static void mthca_close_hca(struct mthca_dev *mdev)
{
u8 status;
mthca_CLOSE_HCA(mdev, 0, &status);
if (mthca_is_memfree(mdev)) {
if (mdev->mthca_flags & MTHCA_FLAG_SRQ)
mthca_free_icm_table(mdev, mdev->srq_table.table);
mthca_free_icm_table(mdev, mdev->cq_table.table);
mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
mthca_unmap_eq_icm(mdev);
mthca_UNMAP_ICM_AUX(mdev, &status);
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
mthca_UNMAP_FA(mdev, &status);
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
mthca_DISABLE_LAM(mdev, &status);
} else
mthca_SYS_DIS(mdev, &status);
}
static int __devinit mthca_init_hca(struct mthca_dev *mdev)
{
u8 status;
int err;
struct mthca_adapter adapter;
if (mthca_is_memfree(mdev))
return mthca_init_arbel(mdev);
err = mthca_init_arbel(mdev);
else
return mthca_init_tavor(mdev);
err = mthca_init_tavor(mdev);
if (err)
return err;
err = mthca_QUERY_ADAPTER(mdev, &adapter, &status);
if (err) {
mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n");
goto err_close;
}
if (status) {
mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, "
"aborting.\n", status);
err = -EINVAL;
goto err_close;
}
mdev->eq_table.inta_pin = adapter.inta_pin;
mdev->rev_id = adapter.revision_id;
memcpy(mdev->board_id, adapter.board_id, sizeof mdev->board_id);
return 0;
err_close:
mthca_close_hca(mdev);
return err;
}
static int __devinit mthca_setup_hca(struct mthca_dev *dev)
@ -709,11 +757,18 @@ static int __devinit mthca_setup_hca(struct mthca_dev *dev)
goto err_cmd_poll;
}
err = mthca_init_srq_table(dev);
if (err) {
mthca_err(dev, "Failed to initialize "
"shared receive queue table, aborting.\n");
goto err_cq_table_free;
}
err = mthca_init_qp_table(dev);
if (err) {
mthca_err(dev, "Failed to initialize "
"queue pair table, aborting.\n");
goto err_cq_table_free;
goto err_srq_table_free;
}
err = mthca_init_av_table(dev);
@ -738,6 +793,9 @@ err_av_table_free:
err_qp_table_free:
mthca_cleanup_qp_table(dev);
err_srq_table_free:
mthca_cleanup_srq_table(dev);
err_cq_table_free:
mthca_cleanup_cq_table(dev);
@ -844,33 +902,6 @@ static int __devinit mthca_enable_msi_x(struct mthca_dev *mdev)
return 0;
}
static void mthca_close_hca(struct mthca_dev *mdev)
{
u8 status;
mthca_CLOSE_HCA(mdev, 0, &status);
if (mthca_is_memfree(mdev)) {
mthca_free_icm_table(mdev, mdev->cq_table.table);
mthca_free_icm_table(mdev, mdev->qp_table.rdb_table);
mthca_free_icm_table(mdev, mdev->qp_table.eqp_table);
mthca_free_icm_table(mdev, mdev->qp_table.qp_table);
mthca_free_icm_table(mdev, mdev->mr_table.mpt_table);
mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);
mthca_unmap_eq_icm(mdev);
mthca_UNMAP_ICM_AUX(mdev, &status);
mthca_free_icm(mdev, mdev->fw.arbel.aux_icm);
mthca_UNMAP_FA(mdev, &status);
mthca_free_icm(mdev, mdev->fw.arbel.fw_icm);
if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM))
mthca_DISABLE_LAM(mdev, &status);
} else
mthca_SYS_DIS(mdev, &status);
}
/* Types of supported HCA */
enum {
TAVOR, /* MT23108 */
@ -887,9 +918,9 @@ static struct {
int is_memfree;
int is_pcie;
} mthca_hca_table[] = {
[TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 3, 2), .is_memfree = 0, .is_pcie = 0 },
[ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 6, 2), .is_memfree = 0, .is_pcie = 1 },
[ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 0, 1), .is_memfree = 1, .is_pcie = 1 },
[TAVOR] = { .latest_fw = MTHCA_FW_VER(3, 3, 3), .is_memfree = 0, .is_pcie = 0 },
[ARBEL_COMPAT] = { .latest_fw = MTHCA_FW_VER(4, 7, 0), .is_memfree = 0, .is_pcie = 1 },
[ARBEL_NATIVE] = { .latest_fw = MTHCA_FW_VER(5, 1, 0), .is_memfree = 1, .is_pcie = 1 },
[SINAI] = { .latest_fw = MTHCA_FW_VER(1, 0, 1), .is_memfree = 1, .is_pcie = 1 }
};
@ -1051,6 +1082,7 @@ err_cleanup:
mthca_cleanup_mcg_table(mdev);
mthca_cleanup_av_table(mdev);
mthca_cleanup_qp_table(mdev);
mthca_cleanup_srq_table(mdev);
mthca_cleanup_cq_table(mdev);
mthca_cmd_use_polling(mdev);
mthca_cleanup_eq_table(mdev);
@ -1100,6 +1132,7 @@ static void __devexit mthca_remove_one(struct pci_dev *pdev)
mthca_cleanup_mcg_table(mdev);
mthca_cleanup_av_table(mdev);
mthca_cleanup_qp_table(mdev);
mthca_cleanup_srq_table(mdev);
mthca_cleanup_cq_table(mdev);
mthca_cmd_use_polling(mdev);
mthca_cleanup_eq_table(mdev);

36
drivers/infiniband/hw/mthca/mthca_mcg.c
Просмотреть файл

@ -42,10 +42,10 @@ enum {
};
struct mthca_mgm {
u32 next_gid_index;
u32 reserved[3];
u8 gid[16];
u32 qp[MTHCA_QP_PER_MGM];
__be32 next_gid_index;
u32 reserved[3];
u8 gid[16];
__be32 qp[MTHCA_QP_PER_MGM];
};
static const u8 zero_gid[16]; /* automatically initialized to 0 */
@ -94,10 +94,14 @@ static int find_mgm(struct mthca_dev *dev,
if (0)
mthca_dbg(dev, "Hash for %04x:%04x:%04x:%04x:"
"%04x:%04x:%04x:%04x is %04x\n",
be16_to_cpu(((u16 *) gid)[0]), be16_to_cpu(((u16 *) gid)[1]),
be16_to_cpu(((u16 *) gid)[2]), be16_to_cpu(((u16 *) gid)[3]),
be16_to_cpu(((u16 *) gid)[4]), be16_to_cpu(((u16 *) gid)[5]),
be16_to_cpu(((u16 *) gid)[6]), be16_to_cpu(((u16 *) gid)[7]),
be16_to_cpu(((__be16 *) gid)[0]),
be16_to_cpu(((__be16 *) gid)[1]),
be16_to_cpu(((__be16 *) gid)[2]),
be16_to_cpu(((__be16 *) gid)[3]),
be16_to_cpu(((__be16 *) gid)[4]),
be16_to_cpu(((__be16 *) gid)[5]),
be16_to_cpu(((__be16 *) gid)[6]),
be16_to_cpu(((__be16 *) gid)[7]),
*hash);
*index = *hash;
@ -258,14 +262,14 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
if (index == -1) {
mthca_err(dev, "MGID %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
"not found\n",
be16_to_cpu(((u16 *) gid->raw)[0]),
be16_to_cpu(((u16 *) gid->raw)[1]),
be16_to_cpu(((u16 *) gid->raw)[2]),
be16_to_cpu(((u16 *) gid->raw)[3]),
be16_to_cpu(((u16 *) gid->raw)[4]),
be16_to_cpu(((u16 *) gid->raw)[5]),
be16_to_cpu(((u16 *) gid->raw)[6]),
be16_to_cpu(((u16 *) gid->raw)[7]));
be16_to_cpu(((__be16 *) gid->raw)[0]),
be16_to_cpu(((__be16 *) gid->raw)[1]),
be16_to_cpu(((__be16 *) gid->raw)[2]),
be16_to_cpu(((__be16 *) gid->raw)[3]),
be16_to_cpu(((__be16 *) gid->raw)[4]),
be16_to_cpu(((__be16 *) gid->raw)[5]),
be16_to_cpu(((__be16 *) gid->raw)[6]),
be16_to_cpu(((__be16 *) gid->raw)[7]));
err = -EINVAL;
goto out;
}

12
drivers/infiniband/hw/mthca/mthca_memfree.c
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -285,6 +286,7 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,
{
struct mthca_icm_table *table;
int num_icm;
unsigned chunk_size;
int i;
u8 status;
@ -305,7 +307,11 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,
table->icm[i] = NULL;
for (i = 0; i * MTHCA_TABLE_CHUNK_SIZE < reserved * obj_size; ++i) {
table->icm[i] = mthca_alloc_icm(dev, MTHCA_TABLE_CHUNK_SIZE >> PAGE_SHIFT,
chunk_size = MTHCA_TABLE_CHUNK_SIZE;
if ((i + 1) * MTHCA_TABLE_CHUNK_SIZE > nobj * obj_size)
chunk_size = nobj * obj_size - i * MTHCA_TABLE_CHUNK_SIZE;
table->icm[i] = mthca_alloc_icm(dev, chunk_size >> PAGE_SHIFT,
(use_lowmem ? GFP_KERNEL : GFP_HIGHUSER) |
__GFP_NOWARN);
if (!table->icm[i])
@ -481,7 +487,7 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar,
}
}
int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, u32 **db)
int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, __be32 **db)
{
int group;
int start, end, dir;
@ -564,7 +570,7 @@ found:
page->db_rec[j] = cpu_to_be64((qn << 8) | (type << 5));
*db = (u32 *) &page->db_rec[j];
*db = (__be32 *) &page->db_rec[j];
out:
up(&dev->db_tab->mutex);

5
drivers/infiniband/hw/mthca/mthca_memfree.h
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -137,7 +138,7 @@ enum {
struct mthca_db_page {
DECLARE_BITMAP(used, MTHCA_DB_REC_PER_PAGE);
u64 *db_rec;
__be64 *db_rec;
dma_addr_t mapping;
};
@ -172,7 +173,7 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar,
int mthca_init_db_tab(struct mthca_dev *dev);
void mthca_cleanup_db_tab(struct mthca_dev *dev);
int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, u32 **db);
int mthca_alloc_db(struct mthca_dev *dev, int type, u32 qn, __be32 **db);
void mthca_free_db(struct mthca_dev *dev, int type, int db_index);
#endif /* MTHCA_MEMFREE_H */

35
drivers/infiniband/hw/mthca/mthca_mr.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -50,18 +51,18 @@ struct mthca_mtt {
* Must be packed because mtt_seg is 64 bits but only aligned to 32 bits.
*/
struct mthca_mpt_entry {
u32 flags;
u32 page_size;
u32 key;
u32 pd;
u64 start;
u64 length;
u32 lkey;
u32 window_count;
u32 window_count_limit;
u64 mtt_seg;
u32 mtt_sz; /* Arbel only */
u32 reserved[2];
__be32 flags;
__be32 page_size;
__be32 key;
__be32 pd;
__be64 start;
__be64 length;
__be32 lkey;
__be32 window_count;
__be32 window_count_limit;
__be64 mtt_seg;
__be32 mtt_sz; /* Arbel only */
u32 reserved[2];
} __attribute__((packed));
#define MTHCA_MPT_FLAG_SW_OWNS (0xfUL << 28)
@ -247,7 +248,7 @@ int mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
int start_index, u64 *buffer_list, int list_len)
{
struct mthca_mailbox *mailbox;
u64 *mtt_entry;
__be64 *mtt_entry;
int err = 0;
u8 status;
int i;
@ -389,7 +390,7 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
for (i = 0; i < sizeof (struct mthca_mpt_entry) / 4; ++i) {
if (i % 4 == 0)
printk("[%02x] ", i * 4);
printk(" %08x", be32_to_cpu(((u32 *) mpt_entry)[i]));
printk(" %08x", be32_to_cpu(((__be32 *) mpt_entry)[i]));
if ((i + 1) % 4 == 0)
printk("\n");
}
@ -458,7 +459,7 @@ int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd,
static void mthca_free_region(struct mthca_dev *dev, u32 lkey)
{
mthca_table_put(dev, dev->mr_table.mpt_table,
arbel_key_to_hw_index(lkey));
key_to_hw_index(dev, lkey));
mthca_free(&dev->mr_table.mpt_alloc, key_to_hw_index(dev, lkey));
}
@ -562,7 +563,7 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
for (i = 0; i < sizeof (struct mthca_mpt_entry) / 4; ++i) {
if (i % 4 == 0)
printk("[%02x] ", i * 4);
printk(" %08x", be32_to_cpu(((u32 *) mpt_entry)[i]));
printk(" %08x", be32_to_cpu(((__be32 *) mpt_entry)[i]));
if ((i + 1) % 4 == 0)
printk("\n");
}
@ -669,7 +670,7 @@ int mthca_tavor_map_phys_fmr(struct ib_fmr *ibfmr, u64 *page_list,
mpt_entry.length = cpu_to_be64(list_len * (1ull << fmr->attr.page_size));
mpt_entry.start = cpu_to_be64(iova);
writel(mpt_entry.lkey, &fmr->mem.tavor.mpt->key);
__raw_writel((__force u32) mpt_entry.lkey, &fmr->mem.tavor.mpt->key);
memcpy_toio(&fmr->mem.tavor.mpt->start, &mpt_entry.start,
offsetof(struct mthca_mpt_entry, window_count) -
offsetof(struct mthca_mpt_entry, start));

1
drivers/infiniband/hw/mthca/mthca_pd.c
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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

2
drivers/infiniband/hw/mthca/mthca_profile.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -101,6 +102,7 @@ u64 mthca_make_profile(struct mthca_dev *dev,
profile[MTHCA_RES_UARC].size = request->uarc_size;
profile[MTHCA_RES_QP].num = request->num_qp;
profile[MTHCA_RES_SRQ].num = request->num_srq;
profile[MTHCA_RES_EQP].num = request->num_qp;
profile[MTHCA_RES_RDB].num = request->num_qp * request->rdb_per_qp;
profile[MTHCA_RES_CQ].num = request->num_cq;

2
drivers/infiniband/hw/mthca/mthca_profile.h
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -41,6 +42,7 @@
struct mthca_profile {
int num_qp;
int rdb_per_qp;
int num_srq;
int num_cq;
int num_mcg;
int num_mpt;

115
drivers/infiniband/hw/mthca/mthca_provider.c
Просмотреть файл

@ -2,6 +2,8 @@
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -34,7 +36,7 @@
* $Id: mthca_provider.c 1397 2004-12-28 05:09:00Z roland $
*/
#include <ib_smi.h>
#include <rdma/ib_smi.h>
#include <linux/mm.h>
#include "mthca_dev.h"
@ -79,10 +81,10 @@ static int mthca_query_device(struct ib_device *ibdev,
}
props->device_cap_flags = mdev->device_cap_flags;
props->vendor_id = be32_to_cpup((u32 *) (out_mad->data + 36)) &
props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
0xffffff;
props->vendor_part_id = be16_to_cpup((u16 *) (out_mad->data + 30));
props->hw_ver = be16_to_cpup((u16 *) (out_mad->data + 32));
props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30));
props->hw_ver = be16_to_cpup((__be16 *) (out_mad->data + 32));
memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
memcpy(&props->node_guid, out_mad->data + 12, 8);
@ -118,6 +120,8 @@ static int mthca_query_port(struct ib_device *ibdev,
if (!in_mad || !out_mad)
goto out;
memset(props, 0, sizeof *props);
memset(in_mad, 0, sizeof *in_mad);
in_mad->base_version = 1;
in_mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
@ -136,16 +140,17 @@ static int mthca_query_port(struct ib_device *ibdev,
goto out;
}
props->lid = be16_to_cpup((u16 *) (out_mad->data + 16));
props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16));
props->lmc = out_mad->data[34] & 0x7;
props->sm_lid = be16_to_cpup((u16 *) (out_mad->data + 18));
props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18));
props->sm_sl = out_mad->data[36] & 0xf;
props->state = out_mad->data[32] & 0xf;
props->phys_state = out_mad->data[33] >> 4;
props->port_cap_flags = be32_to_cpup((u32 *) (out_mad->data + 20));
props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20));
props->gid_tbl_len = to_mdev(ibdev)->limits.gid_table_len;
props->max_msg_sz = 0x80000000;
props->pkey_tbl_len = to_mdev(ibdev)->limits.pkey_table_len;
props->qkey_viol_cntr = be16_to_cpup((u16 *) (out_mad->data + 48));
props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48));
props->active_width = out_mad->data[31] & 0xf;
props->active_speed = out_mad->data[35] >> 4;
@ -221,7 +226,7 @@ static int mthca_query_pkey(struct ib_device *ibdev,
goto out;
}
*pkey = be16_to_cpu(((u16 *) out_mad->data)[index % 32]);
*pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
out:
kfree(in_mad);
@ -420,6 +425,77 @@ static int mthca_ah_destroy(struct ib_ah *ah)
return 0;
}
static struct ib_srq *mthca_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct mthca_create_srq ucmd;
struct mthca_ucontext *context = NULL;
struct mthca_srq *srq;
int err;
srq = kmalloc(sizeof *srq, GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
if (pd->uobject) {
context = to_mucontext(pd->uobject->context);
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
return ERR_PTR(-EFAULT);
err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
context->db_tab, ucmd.db_index,
ucmd.db_page);
if (err)
goto err_free;
srq->mr.ibmr.lkey = ucmd.lkey;
srq->db_index = ucmd.db_index;
}
err = mthca_alloc_srq(to_mdev(pd->device), to_mpd(pd),
&init_attr->attr, srq);
if (err && pd->uobject)
mthca_unmap_user_db(to_mdev(pd->device), &context->uar,
context->db_tab, ucmd.db_index);
if (err)
goto err_free;
if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) {
mthca_free_srq(to_mdev(pd->device), srq);
err = -EFAULT;
goto err_free;
}
return &srq->ibsrq;
err_free:
kfree(srq);
return ERR_PTR(err);
}
static int mthca_destroy_srq(struct ib_srq *srq)
{
struct mthca_ucontext *context;
if (srq->uobject) {
context = to_mucontext(srq->uobject->context);
mthca_unmap_user_db(to_mdev(srq->device), &context->uar,
context->db_tab, to_msrq(srq)->db_index);
}
mthca_free_srq(to_mdev(srq->device), to_msrq(srq));
kfree(srq);
return 0;
}
static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata)
@ -956,14 +1032,22 @@ static ssize_t show_hca(struct class_device *cdev, char *buf)
}
}
static ssize_t show_board(struct class_device *cdev, char *buf)
{
struct mthca_dev *dev = container_of(cdev, struct mthca_dev, ib_dev.class_dev);
return sprintf(buf, "%.*s\n", MTHCA_BOARD_ID_LEN, dev->board_id);
}
static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
static struct class_device_attribute *mthca_class_attributes[] = {
&class_device_attr_hw_rev,
&class_device_attr_fw_ver,
&class_device_attr_hca_type
&class_device_attr_hca_type,
&class_device_attr_board_id
};
int mthca_register_device(struct mthca_dev *dev)
@ -990,6 +1074,17 @@ int mthca_register_device(struct mthca_dev *dev)
dev->ib_dev.dealloc_pd = mthca_dealloc_pd;
dev->ib_dev.create_ah = mthca_ah_create;
dev->ib_dev.destroy_ah = mthca_ah_destroy;
if (dev->mthca_flags & MTHCA_FLAG_SRQ) {
dev->ib_dev.create_srq = mthca_create_srq;
dev->ib_dev.destroy_srq = mthca_destroy_srq;
if (mthca_is_memfree(dev))
dev->ib_dev.post_srq_recv = mthca_arbel_post_srq_recv;
else
dev->ib_dev.post_srq_recv = mthca_tavor_post_srq_recv;
}
dev->ib_dev.create_qp = mthca_create_qp;
dev->ib_dev.modify_qp = mthca_modify_qp;
dev->ib_dev.destroy_qp = mthca_destroy_qp;

54
drivers/infiniband/hw/mthca/mthca_provider.h
Просмотреть файл

@ -1,6 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -36,8 +37,8 @@
#ifndef MTHCA_PROVIDER_H
#define MTHCA_PROVIDER_H
#include <ib_verbs.h>
#include <ib_pack.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
#define MTHCA_MPT_FLAG_ATOMIC (1 << 14)
#define MTHCA_MPT_FLAG_REMOTE_WRITE (1 << 13)
@ -50,6 +51,11 @@ struct mthca_buf_list {
DECLARE_PCI_UNMAP_ADDR(mapping)
};
union mthca_buf {
struct mthca_buf_list direct;
struct mthca_buf_list *page_list;
};
struct mthca_uar {
unsigned long pfn;
int index;
@ -181,19 +187,39 @@ struct mthca_cq {
/* Next fields are Arbel only */
int set_ci_db_index;
u32 *set_ci_db;
__be32 *set_ci_db;
int arm_db_index;
u32 *arm_db;
__be32 *arm_db;
int arm_sn;
union {
struct mthca_buf_list direct;
struct mthca_buf_list *page_list;
} queue;
union mthca_buf queue;
struct mthca_mr mr;
wait_queue_head_t wait;
};
struct mthca_srq {
struct ib_srq ibsrq;
spinlock_t lock;
atomic_t refcount;
int srqn;
int max;
int max_gs;
int wqe_shift;
int first_free;
int last_free;
u16 counter; /* Arbel only */
int db_index; /* Arbel only */
__be32 *db; /* Arbel only */
void *last;
int is_direct;
u64 *wrid;
union mthca_buf queue;
struct mthca_mr mr;
wait_queue_head_t wait;
};
struct mthca_wq {
spinlock_t lock;
int max;
@ -206,7 +232,7 @@ struct mthca_wq {
int wqe_shift;
int db_index; /* Arbel only */
u32 *db;
__be32 *db;
};
struct mthca_qp {
@ -227,10 +253,7 @@ struct mthca_qp {
int send_wqe_offset;
u64 *wrid;
union {
struct mthca_buf_list direct;
struct mthca_buf_list *page_list;
} queue;
union mthca_buf queue;
wait_queue_head_t wait;
};
@ -277,6 +300,11 @@ static inline struct mthca_cq *to_mcq(struct ib_cq *ibcq)
return container_of(ibcq, struct mthca_cq, ibcq);
}
static inline struct mthca_srq *to_msrq(struct ib_srq *ibsrq)
{
return container_of(ibsrq, struct mthca_srq, ibsrq);
}
static inline struct mthca_qp *to_mqp(struct ib_qp *ibqp)
{
return container_of(ibqp, struct mthca_qp, ibqp);

362
drivers/infiniband/hw/mthca/mthca_qp.c
Просмотреть файл

@ -1,6 +1,8 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -35,13 +37,14 @@
#include <linux/init.h>
#include <ib_verbs.h>
#include <ib_cache.h>
#include <ib_pack.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"
enum {
MTHCA_MAX_DIRECT_QP_SIZE = 4 * PAGE_SIZE,
@ -95,62 +98,62 @@ enum {
};
struct mthca_qp_path {
u32 port_pkey;
u8 rnr_retry;
u8 g_mylmc;
u16 rlid;
u8 ackto;
u8 mgid_index;
u8 static_rate;
u8 hop_limit;
u32 sl_tclass_flowlabel;
u8 rgid[16];
__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];
} __attribute__((packed));
struct mthca_qp_context {
u32 flags;
u32 tavor_sched_queue; /* Reserved on Arbel */
u8 mtu_msgmax;
u8 rq_size_stride; /* Reserved on Tavor */
u8 sq_size_stride; /* Reserved on Tavor */
u8 rlkey_arbel_sched_queue; /* Reserved on Tavor */
u32 usr_page;
u32 local_qpn;
u32 remote_qpn;
u32 reserved1[2];
__be32 flags;
__be32 tavor_sched_queue; /* Reserved on Arbel */
u8 mtu_msgmax;
u8 rq_size_stride; /* Reserved on Tavor */
u8 sq_size_stride; /* Reserved on Tavor */
u8 rlkey_arbel_sched_queue; /* Reserved on Tavor */
__be32 usr_page;
__be32 local_qpn;
__be32 remote_qpn;
u32 reserved1[2];
struct mthca_qp_path pri_path;
struct mthca_qp_path alt_path;
u32 rdd;
u32 pd;
u32 wqe_base;
u32 wqe_lkey;
u32 params1;
u32 reserved2;
u32 next_send_psn;
u32 cqn_snd;
u32 snd_wqe_base_l; /* Next send WQE on Tavor */
u32 snd_db_index; /* (debugging only entries) */
u32 last_acked_psn;
u32 ssn;
u32 params2;
u32 rnr_nextrecvpsn;
u32 ra_buff_indx;
u32 cqn_rcv;
u32 rcv_wqe_base_l; /* Next recv WQE on Tavor */
u32 rcv_db_index; /* (debugging only entries) */
u32 qkey;
u32 srqn;
u32 rmsn;
u16 rq_wqe_counter; /* reserved on Tavor */
u16 sq_wqe_counter; /* reserved on Tavor */
u32 reserved3[18];
__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; /* Next send WQE on Tavor */
__be32 snd_db_index; /* (debugging only entries) */
__be32 last_acked_psn;
__be32 ssn;
__be32 params2;
__be32 rnr_nextrecvpsn;
__be32 ra_buff_indx;
__be32 cqn_rcv;
__be32 rcv_wqe_base_l; /* Next recv WQE on Tavor */
__be32 rcv_db_index; /* (debugging only entries) */
__be32 qkey;
__be32 srqn;
__be32 rmsn;
__be16 rq_wqe_counter; /* reserved on Tavor */
__be16 sq_wqe_counter; /* reserved on Tavor */
u32 reserved3[18];
} __attribute__((packed));
struct mthca_qp_param {
u32 opt_param_mask;
u32 reserved1;
__be32 opt_param_mask;
u32 reserved1;
struct mthca_qp_context context;
u32 reserved2[62];
u32 reserved2[62];
} __attribute__((packed));
enum {
@ -173,80 +176,6 @@ enum {
MTHCA_QP_OPTPAR_SCHED_QUEUE = 1 << 16
};
enum {
MTHCA_NEXT_DBD = 1 << 7,
MTHCA_NEXT_FENCE = 1 << 6,
MTHCA_NEXT_CQ_UPDATE = 1 << 3,
MTHCA_NEXT_EVENT_GEN = 1 << 2,
MTHCA_NEXT_SOLICIT = 1 << 1,
MTHCA_MLX_VL15 = 1 << 17,
MTHCA_MLX_SLR = 1 << 16
};
enum {
MTHCA_INVAL_LKEY = 0x100
};
struct mthca_next_seg {
u32 nda_op; /* [31:6] next WQE [4:0] next opcode */
u32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */
u32 flags; /* [3] CQ [2] Event [1] Solicit */
u32 imm; /* immediate data */
};
struct mthca_tavor_ud_seg {
u32 reserved1;
u32 lkey;
u64 av_addr;
u32 reserved2[4];
u32 dqpn;
u32 qkey;
u32 reserved3[2];
};
struct mthca_arbel_ud_seg {
u32 av[8];
u32 dqpn;
u32 qkey;
u32 reserved[2];
};
struct mthca_bind_seg {
u32 flags; /* [31] Atomic [30] rem write [29] rem read */
u32 reserved;
u32 new_rkey;
u32 lkey;
u64 addr;
u64 length;
};
struct mthca_raddr_seg {
u64 raddr;
u32 rkey;
u32 reserved;
};
struct mthca_atomic_seg {
u64 swap_add;
u64 compare;
};
struct mthca_data_seg {
u32 byte_count;
u32 lkey;
u64 addr;
};
struct mthca_mlx_seg {
u32 nda_op;
u32 nds;
u32 flags; /* [17] VL15 [16] SLR [14:12] static rate
[11:8] SL [3] C [2] E */
u16 rlid;
u16 vcrc;
};
static const u8 mthca_opcode[] = {
[IB_WR_SEND] = MTHCA_OPCODE_SEND,
[IB_WR_SEND_WITH_IMM] = MTHCA_OPCODE_SEND_IMM,
@ -573,12 +502,11 @@ static void init_port(struct mthca_dev *dev, int port)
memset(&param, 0, sizeof param);
param.enable_1x = 1;
param.enable_4x = 1;
param.vl_cap = dev->limits.vl_cap;
param.mtu_cap = dev->limits.mtu_cap;
param.gid_cap = dev->limits.gid_table_len;
param.pkey_cap = dev->limits.pkey_table_len;
param.port_width = dev->limits.port_width_cap;
param.vl_cap = dev->limits.vl_cap;
param.mtu_cap = dev->limits.mtu_cap;
param.gid_cap = dev->limits.gid_table_len;
param.pkey_cap = dev->limits.pkey_table_len;
err = mthca_INIT_IB(dev, &param, port, &status);
if (err)
@ -684,10 +612,13 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp_context->mtu_msgmax = (attr->path_mtu << 5) | 31;
if (mthca_is_memfree(dev)) {
qp_context->rq_size_stride =
((ffs(qp->rq.max) - 1) << 3) | (qp->rq.wqe_shift - 4);
qp_context->sq_size_stride =
((ffs(qp->sq.max) - 1) << 3) | (qp->sq.wqe_shift - 4);
if (qp->rq.max)
qp_context->rq_size_stride = long_log2(qp->rq.max) << 3;
qp_context->rq_size_stride |= qp->rq.wqe_shift - 4;
if (qp->sq.max)
qp_context->sq_size_stride = long_log2(qp->sq.max) << 3;
qp_context->sq_size_stride |= qp->sq.wqe_shift - 4;
}
/* leave arbel_sched_queue as 0 */
@ -856,6 +787,9 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp_context->params2 |= cpu_to_be32(MTHCA_QP_BIT_RSC);
if (ibqp->srq)
qp_context->params2 |= cpu_to_be32(MTHCA_QP_BIT_RIC);
if (attr_mask & IB_QP_MIN_RNR_TIMER) {
qp_context->rnr_nextrecvpsn |= cpu_to_be32(attr->min_rnr_timer << 24);
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RNR_TIMEOUT);
@ -878,6 +812,10 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_Q_KEY);
}
if (ibqp->srq)
qp_context->srqn = cpu_to_be32(1 << 24 |
to_msrq(ibqp->srq)->srqn);
err = mthca_MODIFY_QP(dev, state_table[cur_state][new_state].trans,
qp->qpn, 0, mailbox, 0, &status);
if (status) {
@ -925,10 +863,6 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev,
struct mthca_qp *qp)
{
int size;
int i;
int npages, shift;
dma_addr_t t;
u64 *dma_list = NULL;
int err = -ENOMEM;
size = sizeof (struct mthca_next_seg) +
@ -978,116 +912,24 @@ static int mthca_alloc_wqe_buf(struct mthca_dev *dev,
if (!qp->wrid)
goto err_out;
if (size <= MTHCA_MAX_DIRECT_QP_SIZE) {
qp->is_direct = 1;
npages = 1;
shift = get_order(size) + PAGE_SHIFT;
if (0)
mthca_dbg(dev, "Creating direct QP of size %d (shift %d)\n",
size, shift);
qp->queue.direct.buf = dma_alloc_coherent(&dev->pdev->dev, size,
&t, GFP_KERNEL);
if (!qp->queue.direct.buf)
goto err_out;
pci_unmap_addr_set(&qp->queue.direct, mapping, t);
memset(qp->queue.direct.buf, 0, size);
while (t & ((1 << shift) - 1)) {
--shift;
npages *= 2;
}
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
goto err_out_free;
for (i = 0; i < npages; ++i)
dma_list[i] = t + i * (1 << shift);
} else {
qp->is_direct = 0;
npages = size / PAGE_SIZE;
shift = PAGE_SHIFT;
if (0)
mthca_dbg(dev, "Creating indirect QP with %d pages\n", npages);
dma_list = kmalloc(npages * sizeof *dma_list, GFP_KERNEL);
if (!dma_list)
goto err_out;
qp->queue.page_list = kmalloc(npages *
sizeof *qp->queue.page_list,
GFP_KERNEL);
if (!qp->queue.page_list)
goto err_out;
for (i = 0; i < npages; ++i) {
qp->queue.page_list[i].buf =
dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
&t, GFP_KERNEL);
if (!qp->queue.page_list[i].buf)
goto err_out_free;
memset(qp->queue.page_list[i].buf, 0, PAGE_SIZE);
pci_unmap_addr_set(&qp->queue.page_list[i], mapping, t);
dma_list[i] = t;
}
}
err = mthca_mr_alloc_phys(dev, pd->pd_num, dma_list, shift,
npages, 0, size,
MTHCA_MPT_FLAG_LOCAL_READ,
&qp->mr);
err = mthca_buf_alloc(dev, size, MTHCA_MAX_DIRECT_QP_SIZE,
&qp->queue, &qp->is_direct, pd, 0, &qp->mr);
if (err)
goto err_out_free;
goto err_out;
kfree(dma_list);
return 0;
err_out_free:
if (qp->is_direct) {
dma_free_coherent(&dev->pdev->dev, size, qp->queue.direct.buf,
pci_unmap_addr(&qp->queue.direct, mapping));
} else
for (i = 0; i < npages; ++i) {
if (qp->queue.page_list[i].buf)
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
qp->queue.page_list[i].buf,
pci_unmap_addr(&qp->queue.page_list[i],
mapping));
}
err_out:
err_out:
kfree(qp->wrid);
kfree(dma_list);
return err;
}
static void mthca_free_wqe_buf(struct mthca_dev *dev,
struct mthca_qp *qp)
{
int i;
int size = PAGE_ALIGN(qp->send_wqe_offset +
(qp->sq.max << qp->sq.wqe_shift));
if (qp->is_direct) {
dma_free_coherent(&dev->pdev->dev, size, qp->queue.direct.buf,
pci_unmap_addr(&qp->queue.direct, mapping));
} else {
for (i = 0; i < size / PAGE_SIZE; ++i) {
dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
qp->queue.page_list[i].buf,
pci_unmap_addr(&qp->queue.page_list[i],
mapping));
}
}
mthca_buf_free(dev, PAGE_ALIGN(qp->send_wqe_offset +
(qp->sq.max << qp->sq.wqe_shift)),
&qp->queue, qp->is_direct, &qp->mr);
kfree(qp->wrid);
}
@ -1428,11 +1270,12 @@ void mthca_free_qp(struct mthca_dev *dev,
* unref the mem-free tables and free the QPN in our table.
*/
if (!qp->ibqp.uobject) {
mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn);
mthca_cq_clean(dev, to_mcq(qp->ibqp.send_cq)->cqn, qp->qpn,
qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
if (qp->ibqp.send_cq != qp->ibqp.recv_cq)
mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn);
mthca_cq_clean(dev, to_mcq(qp->ibqp.recv_cq)->cqn, qp->qpn,
qp->ibqp.srq ? to_msrq(qp->ibqp.srq) : NULL);
mthca_free_mr(dev, &qp->mr);
mthca_free_memfree(dev, qp);
mthca_free_wqe_buf(dev, qp);
}
@ -1457,6 +1300,7 @@ static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
{
int header_size;
int err;
u16 pkey;
ib_ud_header_init(256, /* assume a MAD */
sqp->ud_header.grh_present,
@ -1467,8 +1311,8 @@ static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
return err;
mlx->flags &= ~cpu_to_be32(MTHCA_NEXT_SOLICIT | 1);
mlx->flags |= cpu_to_be32((!sqp->qp.ibqp.qp_num ? MTHCA_MLX_VL15 : 0) |
(sqp->ud_header.lrh.destination_lid == 0xffff ?
MTHCA_MLX_SLR : 0) |
(sqp->ud_header.lrh.destination_lid ==
IB_LID_PERMISSIVE ? MTHCA_MLX_SLR : 0) |
(sqp->ud_header.lrh.service_level << 8));
mlx->rlid = sqp->ud_header.lrh.destination_lid;
mlx->vcrc = 0;
@ -1488,18 +1332,16 @@ static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
}
sqp->ud_header.lrh.virtual_lane = !sqp->qp.ibqp.qp_num ? 15 : 0;
if (sqp->ud_header.lrh.destination_lid == 0xffff)
sqp->ud_header.lrh.source_lid = 0xffff;
if (sqp->ud_header.lrh.destination_lid == IB_LID_PERMISSIVE)
sqp->ud_header.lrh.source_lid = IB_LID_PERMISSIVE;
sqp->ud_header.bth.solicited_event = !!(wr->send_flags & IB_SEND_SOLICITED);
if (!sqp->qp.ibqp.qp_num)
ib_get_cached_pkey(&dev->ib_dev, sqp->port,
sqp->pkey_index,
&sqp->ud_header.bth.pkey);
sqp->pkey_index, &pkey);
else
ib_get_cached_pkey(&dev->ib_dev, sqp->port,
wr->wr.ud.pkey_index,
&sqp->ud_header.bth.pkey);
cpu_to_be16s(&sqp->ud_header.bth.pkey);
wr->wr.ud.pkey_index, &pkey);
sqp->ud_header.bth.pkey = cpu_to_be16(pkey);
sqp->ud_header.bth.destination_qpn = cpu_to_be32(wr->wr.ud.remote_qpn);
sqp->ud_header.bth.psn = cpu_to_be32((sqp->send_psn++) & ((1 << 24) - 1));
sqp->ud_header.deth.qkey = cpu_to_be32(wr->wr.ud.remote_qkey & 0x80000000 ?
@ -1742,7 +1584,7 @@ int mthca_tavor_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
out:
if (likely(nreq)) {
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32(((qp->sq.next_ind << qp->sq.wqe_shift) +
qp->send_wqe_offset) | f0 | op0);
@ -1843,7 +1685,7 @@ int mthca_tavor_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
out:
if (likely(nreq)) {
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32((qp->rq.next_ind << qp->rq.wqe_shift) | size0);
doorbell[1] = cpu_to_be32((qp->qpn << 8) | nreq);
@ -2064,7 +1906,7 @@ int mthca_arbel_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
out:
if (likely(nreq)) {
u32 doorbell[2];
__be32 doorbell[2];
doorbell[0] = cpu_to_be32((nreq << 24) |
((qp->sq.head & 0xffff) << 8) |
@ -2174,19 +2016,25 @@ out:
}
int mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
int index, int *dbd, u32 *new_wqe)
int index, int *dbd, __be32 *new_wqe)
{
struct mthca_next_seg *next;
/*
* For SRQs, all WQEs generate a CQE, so we're always at the
* end of the doorbell chain.
*/
if (qp->ibqp.srq) {
*new_wqe = 0;
return 0;
}
if (is_send)
next = get_send_wqe(qp, index);
else
next = get_recv_wqe(qp, index);
if (mthca_is_memfree(dev))
*dbd = 1;
else
*dbd = !!(next->ee_nds & cpu_to_be32(MTHCA_NEXT_DBD));
*dbd = !!(next->ee_nds & cpu_to_be32(MTHCA_NEXT_DBD));
if (next->ee_nds & cpu_to_be32(0x3f))
*new_wqe = (next->nda_op & cpu_to_be32(~0x3f)) |
(next->ee_nds & cpu_to_be32(0x3f));

591
drivers/infiniband/hw/mthca/mthca_srq.c Normal file
Просмотреть файл

@ -0,0 +1,591 @@
/*
* Copyright (c) 2005 Cisco Systems. 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.
*
* $Id: mthca_srq.c 3047 2005-08-10 03:59:35Z roland $
*/
#include "mthca_dev.h"
#include "mthca_cmd.h"
#include "mthca_memfree.h"
#include "mthca_wqe.h"
enum {
MTHCA_MAX_DIRECT_SRQ_SIZE = 4 * PAGE_SIZE
};
struct mthca_tavor_srq_context {
__be64 wqe_base_ds; /* low 6 bits is descriptor size */
__be32 state_pd;
__be32 lkey;
__be32 uar;
__be32 wqe_cnt;
u32 reserved[2];
};
struct mthca_arbel_srq_context {
__be32 state_logsize_srqn;
__be32 lkey;
__be32 db_index;
__be32 logstride_usrpage;
__be64 wqe_base;
__be32 eq_pd;
__be16 limit_watermark;
__be16 wqe_cnt;
u16 reserved1;
__be16 wqe_counter;
u32 reserved2[3];
};
static void *get_wqe(struct mthca_srq *srq, int n)
{
if (srq->is_direct)
return srq->queue.direct.buf + (n << srq->wqe_shift);
else
return srq->queue.page_list[(n << srq->wqe_shift) >> PAGE_SHIFT].buf +
((n << srq->wqe_shift) & (PAGE_SIZE - 1));
}
/*
* Return a pointer to the location within a WQE that we're using as a
* link when the WQE is in the free list. We use an offset of 4
* because in the Tavor case, posting a WQE may overwrite the first
* four bytes of the previous WQE. The offset avoids corrupting our
* free list if the WQE has already completed and been put on the free
* list when we post the next WQE.
*/
static inline int *wqe_to_link(void *wqe)
{
return (int *) (wqe + 4);
}
static void mthca_tavor_init_srq_context(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_srq *srq,
struct mthca_tavor_srq_context *context)
{
memset(context, 0, sizeof *context);
context->wqe_base_ds = cpu_to_be64(1 << (srq->wqe_shift - 4));
context->state_pd = cpu_to_be32(pd->pd_num);
context->lkey = cpu_to_be32(srq->mr.ibmr.lkey);
if (pd->ibpd.uobject)
context->uar =
cpu_to_be32(to_mucontext(pd->ibpd.uobject->context)->uar.index);
else
context->uar = cpu_to_be32(dev->driver_uar.index);
}
static void mthca_arbel_init_srq_context(struct mthca_dev *dev,
struct mthca_pd *pd,
struct mthca_srq *srq,
struct mthca_arbel_srq_context *context)
{
int logsize;
memset(context, 0, sizeof *context);
logsize = long_log2(srq->max) + srq->wqe_shift;
context->state_logsize_srqn = cpu_to_be32(logsize << 24 | srq->srqn);
context->lkey = cpu_to_be32(srq->mr.ibmr.lkey);
context->db_index = cpu_to_be32(srq->db_index);
context->logstride_usrpage = cpu_to_be32((srq->wqe_shift - 4) << 29);
if (pd->ibpd.uobject)
context->logstride_usrpage |=
cpu_to_be32(to_mucontext(pd->ibpd.uobject->context)->uar.index);
else
context->logstride_usrpage |= cpu_to_be32(dev->driver_uar.index);
context->eq_pd = cpu_to_be32(MTHCA_EQ_ASYNC << 24 | pd->pd_num);
}
static void mthca_free_srq_buf(struct mthca_dev *dev, struct mthca_srq *srq)
{
mthca_buf_free(dev, srq->max << srq->wqe_shift, &srq->queue,
srq->is_direct, &srq->mr);
kfree(srq->wrid);
}
static int mthca_alloc_srq_buf(struct mthca_dev *dev, struct mthca_pd *pd,
struct mthca_srq *srq)
{
struct mthca_data_seg *scatter;
void *wqe;
int err;
int i;
if (pd->ibpd.uobject)
return 0;
srq->wrid = kmalloc(srq->max * sizeof (u64), GFP_KERNEL);
if (!srq->wrid)
return -ENOMEM;
err = mthca_buf_alloc(dev, srq->max << srq->wqe_shift,
MTHCA_MAX_DIRECT_SRQ_SIZE,
&srq->queue, &srq->is_direct, pd, 1, &srq->mr);
if (err) {
kfree(srq->wrid);
return err;
}
/*
* Now initialize the SRQ buffer so that all of the WQEs are
* linked into the list of free WQEs. In addition, set the
* scatter list L_Keys to the sentry value of 0x100.
*/
for (i = 0; i < srq->max; ++i) {
wqe = get_wqe(srq, i);
*wqe_to_link(wqe) = i < srq->max - 1 ? i + 1 : -1;
for (scatter = wqe + sizeof (struct mthca_next_seg);
(void *) scatter < wqe + (1 << srq->wqe_shift);
++scatter)
scatter->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);
}
return 0;
}
int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,
struct ib_srq_attr *attr, struct mthca_srq *srq)
{
struct mthca_mailbox *mailbox;
u8 status;
int ds;
int err;
/* Sanity check SRQ size before proceeding */
if (attr->max_wr > 16 << 20 || attr->max_sge > 64)
return -EINVAL;
srq->max = attr->max_wr;
srq->max_gs = attr->max_sge;
srq->last = NULL;
srq->counter = 0;
if (mthca_is_memfree(dev))
srq->max = roundup_pow_of_two(srq->max + 1);
ds = min(64UL,
roundup_pow_of_two(sizeof (struct mthca_next_seg) +
srq->max_gs * sizeof (struct mthca_data_seg)));
srq->wqe_shift = long_log2(ds);
srq->srqn = mthca_alloc(&dev->srq_table.alloc);
if (srq->srqn == -1)
return -ENOMEM;
if (mthca_is_memfree(dev)) {
err = mthca_table_get(dev, dev->srq_table.table, srq->srqn);
if (err)
goto err_out;
if (!pd->ibpd.uobject) {
srq->db_index = mthca_alloc_db(dev, MTHCA_DB_TYPE_SRQ,
srq->srqn, &srq->db);
if (srq->db_index < 0) {
err = -ENOMEM;
goto err_out_icm;
}
}
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox)) {
err = PTR_ERR(mailbox);
goto err_out_db;
}
err = mthca_alloc_srq_buf(dev, pd, srq);
if (err)
goto err_out_mailbox;
spin_lock_init(&srq->lock);
atomic_set(&srq->refcount, 1);
init_waitqueue_head(&srq->wait);
if (mthca_is_memfree(dev))
mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf);
else
mthca_tavor_init_srq_context(dev, pd, srq, mailbox->buf);
err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn, &status);
if (err) {
mthca_warn(dev, "SW2HW_SRQ failed (%d)\n", err);
goto err_out_free_buf;
}
if (status) {
mthca_warn(dev, "SW2HW_SRQ returned status 0x%02x\n",
status);
err = -EINVAL;
goto err_out_free_buf;
}
spin_lock_irq(&dev->srq_table.lock);
if (mthca_array_set(&dev->srq_table.srq,
srq->srqn & (dev->limits.num_srqs - 1),
srq)) {
spin_unlock_irq(&dev->srq_table.lock);
goto err_out_free_srq;
}
spin_unlock_irq(&dev->srq_table.lock);
mthca_free_mailbox(dev, mailbox);
srq->first_free = 0;
srq->last_free = srq->max - 1;
return 0;
err_out_free_srq:
err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status);
if (err)
mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err);
else if (status)
mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);
err_out_free_buf:
if (!pd->ibpd.uobject)
mthca_free_srq_buf(dev, srq);
err_out_mailbox:
mthca_free_mailbox(dev, mailbox);
err_out_db:
if (!pd->ibpd.uobject && mthca_is_memfree(dev))
mthca_free_db(dev, MTHCA_DB_TYPE_SRQ, srq->db_index);
err_out_icm:
mthca_table_put(dev, dev->srq_table.table, srq->srqn);
err_out:
mthca_free(&dev->srq_table.alloc, srq->srqn);
return err;
}
void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)
{
struct mthca_mailbox *mailbox;
int err;
u8 status;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox)) {
mthca_warn(dev, "No memory for mailbox to free SRQ.\n");
return;
}
err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status);
if (err)
mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err);
else if (status)
mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);
spin_lock_irq(&dev->srq_table.lock);
mthca_array_clear(&dev->srq_table.srq,
srq->srqn & (dev->limits.num_srqs - 1));
spin_unlock_irq(&dev->srq_table.lock);
atomic_dec(&srq->refcount);
wait_event(srq->wait, !atomic_read(&srq->refcount));
if (!srq->ibsrq.uobject) {
mthca_free_srq_buf(dev, srq);
if (mthca_is_memfree(dev))
mthca_free_db(dev, MTHCA_DB_TYPE_SRQ, srq->db_index);
}
mthca_table_put(dev, dev->srq_table.table, srq->srqn);
mthca_free(&dev->srq_table.alloc, srq->srqn);
mthca_free_mailbox(dev, mailbox);
}
void mthca_srq_event(struct mthca_dev *dev, u32 srqn,
enum ib_event_type event_type)
{
struct mthca_srq *srq;
struct ib_event event;
spin_lock(&dev->srq_table.lock);
srq = mthca_array_get(&dev->srq_table.srq, srqn & (dev->limits.num_srqs - 1));
if (srq)
atomic_inc(&srq->refcount);
spin_unlock(&dev->srq_table.lock);
if (!srq) {
mthca_warn(dev, "Async event for bogus SRQ %08x\n", srqn);
return;
}
if (!srq->ibsrq.event_handler)
goto out;
event.device = &dev->ib_dev;
event.event = event_type;
event.element.srq = &srq->ibsrq;
srq->ibsrq.event_handler(&event, srq->ibsrq.srq_context);
out:
if (atomic_dec_and_test(&srq->refcount))
wake_up(&srq->wait);
}
/*
* This function must be called with IRQs disabled.
*/
void mthca_free_srq_wqe(struct mthca_srq *srq, u32 wqe_addr)
{
int ind;
ind = wqe_addr >> srq->wqe_shift;
spin_lock(&srq->lock);
if (likely(srq->first_free >= 0))
*wqe_to_link(get_wqe(srq, srq->last_free)) = ind;
else
srq->first_free = ind;
*wqe_to_link(get_wqe(srq, ind)) = -1;
srq->last_free = ind;
spin_unlock(&srq->lock);
}
int mthca_tavor_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr)
{
struct mthca_dev *dev = to_mdev(ibsrq->device);
struct mthca_srq *srq = to_msrq(ibsrq);
unsigned long flags;
int err = 0;
int first_ind;
int ind;
int next_ind;
int nreq;
int i;
void *wqe;
void *prev_wqe;
spin_lock_irqsave(&srq->lock, flags);
first_ind = srq->first_free;
for (nreq = 0; wr; ++nreq, wr = wr->next) {
ind = srq->first_free;
if (ind < 0) {
mthca_err(dev, "SRQ %06x full\n", srq->srqn);
err = -ENOMEM;
*bad_wr = wr;
return nreq;
}
wqe = get_wqe(srq, ind);
next_ind = *wqe_to_link(wqe);
prev_wqe = srq->last;
srq->last = wqe;
((struct mthca_next_seg *) wqe)->nda_op = 0;
((struct mthca_next_seg *) wqe)->ee_nds = 0;
/* flags field will always remain 0 */
wqe += sizeof (struct mthca_next_seg);
if (unlikely(wr->num_sge > srq->max_gs)) {
err = -EINVAL;
*bad_wr = wr;
srq->last = prev_wqe;
return nreq;
}
for (i = 0; i < wr->num_sge; ++i) {
((struct mthca_data_seg *) wqe)->byte_count =
cpu_to_be32(wr->sg_list[i].length);
((struct mthca_data_seg *) wqe)->lkey =
cpu_to_be32(wr->sg_list[i].lkey);
((struct mthca_data_seg *) wqe)->addr =
cpu_to_be64(wr->sg_list[i].addr);
wqe += sizeof (struct mthca_data_seg);
}
if (i < srq->max_gs) {
((struct mthca_data_seg *) wqe)->byte_count = 0;
((struct mthca_data_seg *) wqe)->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);
((struct mthca_data_seg *) wqe)->addr = 0;
}
if (likely(prev_wqe)) {
((struct mthca_next_seg *) prev_wqe)->nda_op =
cpu_to_be32((ind << srq->wqe_shift) | 1);
wmb();
((struct mthca_next_seg *) prev_wqe)->ee_nds =
cpu_to_be32(MTHCA_NEXT_DBD);
}
srq->wrid[ind] = wr->wr_id;
srq->first_free = next_ind;
}
return nreq;
if (likely(nreq)) {
__be32 doorbell[2];
doorbell[0] = cpu_to_be32(first_ind << srq->wqe_shift);
doorbell[1] = cpu_to_be32((srq->srqn << 8) | nreq);
/*
* Make sure that descriptors are written before
* doorbell is rung.
*/
wmb();
mthca_write64(doorbell,
dev->kar + MTHCA_RECEIVE_DOORBELL,
MTHCA_GET_DOORBELL_LOCK(&dev->doorbell_lock));
}
spin_unlock_irqrestore(&srq->lock, flags);
return err;
}
int mthca_arbel_post_srq_recv(struct ib_srq *ibsrq, struct ib_recv_wr *wr,
struct ib_recv_wr **bad_wr)
{
struct mthca_dev *dev = to_mdev(ibsrq->device);
struct mthca_srq *srq = to_msrq(ibsrq);
unsigned long flags;
int err = 0;
int ind;
int next_ind;
int nreq;
int i;
void *wqe;
spin_lock_irqsave(&srq->lock, flags);
for (nreq = 0; wr; ++nreq, wr = wr->next) {
ind = srq->first_free;
if (ind < 0) {
mthca_err(dev, "SRQ %06x full\n", srq->srqn);
err = -ENOMEM;
*bad_wr = wr;
return nreq;
}
wqe = get_wqe(srq, ind);
next_ind = *wqe_to_link(wqe);
((struct mthca_next_seg *) wqe)->nda_op =
cpu_to_be32((next_ind << srq->wqe_shift) | 1);
((struct mthca_next_seg *) wqe)->ee_nds = 0;
/* flags field will always remain 0 */
wqe += sizeof (struct mthca_next_seg);
if (unlikely(wr->num_sge > srq->max_gs)) {
err = -EINVAL;
*bad_wr = wr;
return nreq;
}
for (i = 0; i < wr->num_sge; ++i) {
((struct mthca_data_seg *) wqe)->byte_count =
cpu_to_be32(wr->sg_list[i].length);
((struct mthca_data_seg *) wqe)->lkey =
cpu_to_be32(wr->sg_list[i].lkey);
((struct mthca_data_seg *) wqe)->addr =
cpu_to_be64(wr->sg_list[i].addr);
wqe += sizeof (struct mthca_data_seg);
}
if (i < srq->max_gs) {
((struct mthca_data_seg *) wqe)->byte_count = 0;
((struct mthca_data_seg *) wqe)->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);
((struct mthca_data_seg *) wqe)->addr = 0;
}
srq->wrid[ind] = wr->wr_id;
srq->first_free = next_ind;
}
if (likely(nreq)) {
srq->counter += nreq;
/*
* Make sure that descriptors are written before
* we write doorbell record.
*/
wmb();
*srq->db = cpu_to_be32(srq->counter);
}
spin_unlock_irqrestore(&srq->lock, flags);
return err;
}
int __devinit mthca_init_srq_table(struct mthca_dev *dev)
{
int err;
if (!(dev->mthca_flags & MTHCA_FLAG_SRQ))
return 0;
spin_lock_init(&dev->srq_table.lock);
err = mthca_alloc_init(&dev->srq_table.alloc,
dev->limits.num_srqs,
dev->limits.num_srqs - 1,
dev->limits.reserved_srqs);
if (err)
return err;
err = mthca_array_init(&dev->srq_table.srq,
dev->limits.num_srqs);
if (err)
mthca_alloc_cleanup(&dev->srq_table.alloc);
return err;
}
void __devexit mthca_cleanup_srq_table(struct mthca_dev *dev)
{
if (!(dev->mthca_flags & MTHCA_FLAG_SRQ))
return;
mthca_array_cleanup(&dev->srq_table.srq, dev->limits.num_srqs);
mthca_alloc_cleanup(&dev->srq_table.alloc);
}

11
drivers/infiniband/hw/mthca/mthca_user.h
Просмотреть файл

@ -69,6 +69,17 @@ struct mthca_create_cq_resp {
__u32 reserved;
};
struct mthca_create_srq {
__u32 lkey;
__u32 db_index;
__u64 db_page;
};
struct mthca_create_srq_resp {
__u32 srqn;
__u32 reserved;
};
struct mthca_create_qp {
__u32 lkey;
__u32 reserved;

114
drivers/infiniband/hw/mthca/mthca_wqe.h Normal file
Просмотреть файл

@ -0,0 +1,114 @@
/*
* Copyright (c) 2005 Cisco Systems. 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.
*
* $Id: mthca_wqe.h 3047 2005-08-10 03:59:35Z roland $
*/
#ifndef MTHCA_WQE_H
#define MTHCA_WQE_H
#include <linux/types.h>
enum {
MTHCA_NEXT_DBD = 1 << 7,
MTHCA_NEXT_FENCE = 1 << 6,
MTHCA_NEXT_CQ_UPDATE = 1 << 3,
MTHCA_NEXT_EVENT_GEN = 1 << 2,
MTHCA_NEXT_SOLICIT = 1 << 1,
MTHCA_MLX_VL15 = 1 << 17,
MTHCA_MLX_SLR = 1 << 16
};
enum {
MTHCA_INVAL_LKEY = 0x100
};
struct mthca_next_seg {
__be32 nda_op; /* [31:6] next WQE [4:0] next opcode */
__be32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */
__be32 flags; /* [3] CQ [2] Event [1] Solicit */
__be32 imm; /* immediate data */
};
struct mthca_tavor_ud_seg {
u32 reserved1;
__be32 lkey;
__be64 av_addr;
u32 reserved2[4];
__be32 dqpn;
__be32 qkey;
u32 reserved3[2];
};
struct mthca_arbel_ud_seg {
__be32 av[8];
__be32 dqpn;
__be32 qkey;
u32 reserved[2];
};
struct mthca_bind_seg {
__be32 flags; /* [31] Atomic [30] rem write [29] rem read */
u32 reserved;
__be32 new_rkey;
__be32 lkey;
__be64 addr;
__be64 length;
};
struct mthca_raddr_seg {
__be64 raddr;
__be32 rkey;
u32 reserved;
};
struct mthca_atomic_seg {
__be64 swap_add;
__be64 compare;
};
struct mthca_data_seg {
__be32 byte_count;
__be32 lkey;
__be64 addr;
};
struct mthca_mlx_seg {
__be32 nda_op;
__be32 nds;
__be32 flags; /* [17] VL15 [16] SLR [14:12] static rate
[11:8] SL [3] C [2] E */
__be16 rlid;
__be16 vcrc;
};
#endif /* MTHCA_WQE_H */

2
drivers/infiniband/ulp/ipoib/Makefile
Просмотреть файл

@ -1,5 +1,3 @@
EXTRA_CFLAGS += -Idrivers/infiniband/include
obj-$(CONFIG_INFINIBAND_IPOIB) += ib_ipoib.o
ib_ipoib-y := ipoib_main.o \

12
drivers/infiniband/ulp/ipoib/ipoib.h
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -49,9 +51,9 @@
#include <asm/atomic.h>
#include <asm/semaphore.h>
#include <ib_verbs.h>
#include <ib_pack.h>
#include <ib_sa.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_pack.h>
#include <rdma/ib_sa.h>
/* constants */
@ -88,8 +90,8 @@ enum {
/* structs */
struct ipoib_header {
u16 proto;
u16 reserved;
__be16 proto;
u16 reserved;
};
struct ipoib_pseudoheader {

2
drivers/infiniband/ulp/ipoib/ipoib_fs.c
Просмотреть файл

@ -97,7 +97,7 @@ static int ipoib_mcg_seq_show(struct seq_file *file, void *iter_ptr)
for (n = 0, i = 0; i < sizeof mgid / 2; ++i) {
n += sprintf(gid_buf + n, "%x",
be16_to_cpu(((u16 *)mgid.raw)[i]));
be16_to_cpu(((__be16 *) mgid.raw)[i]));
if (i < sizeof mgid / 2 - 1)
gid_buf[n++] = ':';
}

5
drivers/infiniband/ulp/ipoib/ipoib_ib.c
Просмотреть файл

@ -1,5 +1,8 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. All rights reserved.
* Copyright (c) 2004, 2005 Voltaire, 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
@ -35,7 +38,7 @@
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <ib_cache.h>
#include <rdma/ib_cache.h>
#include "ipoib.h"

33
drivers/infiniband/ulp/ipoib/ipoib_main.c
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -34,7 +36,6 @@
#include "ipoib.h"
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
@ -607,8 +608,8 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x "
IPOIB_GID_FMT "\n",
skb->dst ? "neigh" : "dst",
be16_to_cpup((u16 *) skb->data),
be32_to_cpup((u32 *) phdr->hwaddr),
be16_to_cpup((__be16 *) skb->data),
be32_to_cpup((__be32 *) phdr->hwaddr),
IPOIB_GID_ARG(*(union ib_gid *) (phdr->hwaddr + 4)));
dev_kfree_skb_any(skb);
++priv->stats.tx_dropped;
@ -671,7 +672,7 @@ static void ipoib_set_mcast_list(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
schedule_work(&priv->restart_task);
queue_work(ipoib_workqueue, &priv->restart_task);
}
static void ipoib_neigh_destructor(struct neighbour *n)
@ -780,15 +781,11 @@ void ipoib_dev_cleanup(struct net_device *dev)
ipoib_ib_dev_cleanup(dev);
if (priv->rx_ring) {
kfree(priv->rx_ring);
priv->rx_ring = NULL;
}
kfree(priv->rx_ring);
kfree(priv->tx_ring);
if (priv->tx_ring) {
kfree(priv->tx_ring);
priv->tx_ring = NULL;
}
priv->rx_ring = NULL;
priv->tx_ring = NULL;
}
static void ipoib_setup(struct net_device *dev)
@ -886,6 +883,12 @@ static ssize_t create_child(struct class_device *cdev,
if (pkey < 0 || pkey > 0xffff)
return -EINVAL;
/*
* Set the full membership bit, so that we join the right
* broadcast group, etc.
*/
pkey |= 0x8000;
ret = ipoib_vlan_add(container_of(cdev, struct net_device, class_dev),
pkey);
@ -938,6 +941,12 @@ static struct net_device *ipoib_add_port(const char *format,
goto alloc_mem_failed;
}
/*
* Set the full membership bit, so that we join the right
* broadcast group, etc.
*/
priv->pkey |= 0x8000;
priv->dev->broadcast[8] = priv->pkey >> 8;
priv->dev->broadcast[9] = priv->pkey & 0xff;

8
drivers/infiniband/ulp/ipoib/ipoib_multicast.c
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2004 Voltaire, 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
@ -357,7 +359,7 @@ static int ipoib_mcast_sendonly_join(struct ipoib_mcast *mcast)
rec.mgid = mcast->mcmember.mgid;
rec.port_gid = priv->local_gid;
rec.pkey = be16_to_cpu(priv->pkey);
rec.pkey = cpu_to_be16(priv->pkey);
ret = ib_sa_mcmember_rec_set(priv->ca, priv->port, &rec,
IB_SA_MCMEMBER_REC_MGID |
@ -457,7 +459,7 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast,
rec.mgid = mcast->mcmember.mgid;
rec.port_gid = priv->local_gid;
rec.pkey = be16_to_cpu(priv->pkey);
rec.pkey = cpu_to_be16(priv->pkey);
comp_mask =
IB_SA_MCMEMBER_REC_MGID |
@ -646,7 +648,7 @@ static int ipoib_mcast_leave(struct net_device *dev, struct ipoib_mcast *mcast)
rec.mgid = mcast->mcmember.mgid;
rec.port_gid = priv->local_gid;
rec.pkey = be16_to_cpu(priv->pkey);
rec.pkey = cpu_to_be16(priv->pkey);
/* Remove ourselves from the multicast group */
ret = ipoib_mcast_detach(dev, be16_to_cpu(mcast->mcmember.mlid),

3
drivers/infiniband/ulp/ipoib/ipoib_verbs.c
Просмотреть файл

@ -1,5 +1,6 @@
/*
* Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Mellanox Technologies. 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
@ -32,7 +33,7 @@
* $Id: ipoib_verbs.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <ib_cache.h>
#include <rdma/ib_cache.h>
#include "ipoib.h"

1
drivers/infiniband/ulp/ipoib/ipoib_vlan.c
Просмотреть файл

@ -32,7 +32,6 @@
* $Id: ipoib_vlan.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>

4
drivers/infiniband/include/ib_cache.h → include/rdma/ib_cache.h
Просмотреть файл

@ -1,5 +1,7 @@
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Intel Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, 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
@ -35,7 +37,7 @@
#ifndef _IB_CACHE_H
#define _IB_CACHE_H
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
/**
* ib_get_cached_gid - Returns a cached GID table entry

93
drivers/infiniband/include/ib_cm.h → include/rdma/ib_cm.h
Просмотреть файл

@ -37,8 +37,8 @@
#if !defined(IB_CM_H)
#define IB_CM_H
#include <ib_mad.h>
#include <ib_sa.h>
#include <rdma/ib_mad.h>
#include <rdma/ib_sa.h>
enum ib_cm_state {
IB_CM_IDLE,
@ -115,7 +115,7 @@ struct ib_cm_req_event_param {
struct ib_sa_path_rec *primary_path;
struct ib_sa_path_rec *alternate_path;
u64 remote_ca_guid;
__be64 remote_ca_guid;
u32 remote_qkey;
u32 remote_qpn;
enum ib_qp_type qp_type;
@ -132,7 +132,7 @@ struct ib_cm_req_event_param {
};
struct ib_cm_rep_event_param {
u64 remote_ca_guid;
__be64 remote_ca_guid;
u32 remote_qkey;
u32 remote_qpn;
u32 starting_psn;
@ -146,39 +146,39 @@ struct ib_cm_rep_event_param {
};
enum ib_cm_rej_reason {
IB_CM_REJ_NO_QP = __constant_htons(1),
IB_CM_REJ_NO_EEC = __constant_htons(2),
IB_CM_REJ_NO_RESOURCES = __constant_htons(3),
IB_CM_REJ_TIMEOUT = __constant_htons(4),
IB_CM_REJ_UNSUPPORTED = __constant_htons(5),
IB_CM_REJ_INVALID_COMM_ID = __constant_htons(6),
IB_CM_REJ_INVALID_COMM_INSTANCE = __constant_htons(7),
IB_CM_REJ_INVALID_SERVICE_ID = __constant_htons(8),
IB_CM_REJ_INVALID_TRANSPORT_TYPE = __constant_htons(9),
IB_CM_REJ_STALE_CONN = __constant_htons(10),
IB_CM_REJ_RDC_NOT_EXIST = __constant_htons(11),
IB_CM_REJ_INVALID_GID = __constant_htons(12),
IB_CM_REJ_INVALID_LID = __constant_htons(13),
IB_CM_REJ_INVALID_SL = __constant_htons(14),
IB_CM_REJ_INVALID_TRAFFIC_CLASS = __constant_htons(15),
IB_CM_REJ_INVALID_HOP_LIMIT = __constant_htons(16),
IB_CM_REJ_INVALID_PACKET_RATE = __constant_htons(17),
IB_CM_REJ_INVALID_ALT_GID = __constant_htons(18),
IB_CM_REJ_INVALID_ALT_LID = __constant_htons(19),
IB_CM_REJ_INVALID_ALT_SL = __constant_htons(20),
IB_CM_REJ_INVALID_ALT_TRAFFIC_CLASS = __constant_htons(21),
IB_CM_REJ_INVALID_ALT_HOP_LIMIT = __constant_htons(22),
IB_CM_REJ_INVALID_ALT_PACKET_RATE = __constant_htons(23),
IB_CM_REJ_PORT_CM_REDIRECT = __constant_htons(24),
IB_CM_REJ_PORT_REDIRECT = __constant_htons(25),
IB_CM_REJ_INVALID_MTU = __constant_htons(26),
IB_CM_REJ_INSUFFICIENT_RESP_RESOURCES = __constant_htons(27),
IB_CM_REJ_CONSUMER_DEFINED = __constant_htons(28),
IB_CM_REJ_INVALID_RNR_RETRY = __constant_htons(29),
IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID = __constant_htons(30),
IB_CM_REJ_INVALID_CLASS_VERSION = __constant_htons(31),
IB_CM_REJ_INVALID_FLOW_LABEL = __constant_htons(32),
IB_CM_REJ_INVALID_ALT_FLOW_LABEL = __constant_htons(33)
IB_CM_REJ_NO_QP = 1,
IB_CM_REJ_NO_EEC = 2,
IB_CM_REJ_NO_RESOURCES = 3,
IB_CM_REJ_TIMEOUT = 4,
IB_CM_REJ_UNSUPPORTED = 5,
IB_CM_REJ_INVALID_COMM_ID = 6,
IB_CM_REJ_INVALID_COMM_INSTANCE = 7,
IB_CM_REJ_INVALID_SERVICE_ID = 8,
IB_CM_REJ_INVALID_TRANSPORT_TYPE = 9,
IB_CM_REJ_STALE_CONN = 10,
IB_CM_REJ_RDC_NOT_EXIST = 11,
IB_CM_REJ_INVALID_GID = 12,
IB_CM_REJ_INVALID_LID = 13,
IB_CM_REJ_INVALID_SL = 14,
IB_CM_REJ_INVALID_TRAFFIC_CLASS = 15,
IB_CM_REJ_INVALID_HOP_LIMIT = 16,
IB_CM_REJ_INVALID_PACKET_RATE = 17,
IB_CM_REJ_INVALID_ALT_GID = 18,
IB_CM_REJ_INVALID_ALT_LID = 19,
IB_CM_REJ_INVALID_ALT_SL = 20,
IB_CM_REJ_INVALID_ALT_TRAFFIC_CLASS = 21,
IB_CM_REJ_INVALID_ALT_HOP_LIMIT = 22,
IB_CM_REJ_INVALID_ALT_PACKET_RATE = 23,
IB_CM_REJ_PORT_CM_REDIRECT = 24,
IB_CM_REJ_PORT_REDIRECT = 25,
IB_CM_REJ_INVALID_MTU = 26,
IB_CM_REJ_INSUFFICIENT_RESP_RESOURCES = 27,
IB_CM_REJ_CONSUMER_DEFINED = 28,
IB_CM_REJ_INVALID_RNR_RETRY = 29,
IB_CM_REJ_DUPLICATE_LOCAL_COMM_ID = 30,
IB_CM_REJ_INVALID_CLASS_VERSION = 31,
IB_CM_REJ_INVALID_FLOW_LABEL = 32,
IB_CM_REJ_INVALID_ALT_FLOW_LABEL = 33
};
struct ib_cm_rej_event_param {
@ -222,8 +222,7 @@ struct ib_cm_sidr_req_event_param {
struct ib_cm_id *listen_id;
struct ib_device *device;
u8 port;
u16 pkey;
u16 pkey;
};
enum ib_cm_sidr_status {
@ -285,12 +284,12 @@ typedef int (*ib_cm_handler)(struct ib_cm_id *cm_id,
struct ib_cm_id {
ib_cm_handler cm_handler;
void *context;
u64 service_id;
u64 service_mask;
__be64 service_id;
__be64 service_mask;
enum ib_cm_state state; /* internal CM/debug use */
enum ib_cm_lap_state lap_state; /* internal CM/debug use */
u32 local_id;
u32 remote_id;
__be32 local_id;
__be32 remote_id;
};
/**
@ -330,13 +329,13 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
* IB_CM_ASSIGN_SERVICE_ID.
*/
int ib_cm_listen(struct ib_cm_id *cm_id,
u64 service_id,
u64 service_mask);
__be64 service_id,
__be64 service_mask);
struct ib_cm_req_param {
struct ib_sa_path_rec *primary_path;
struct ib_sa_path_rec *alternate_path;
u64 service_id;
__be64 service_id;
u32 qp_num;
enum ib_qp_type qp_type;
u32 starting_psn;
@ -528,7 +527,7 @@ int ib_send_cm_apr(struct ib_cm_id *cm_id,
struct ib_cm_sidr_req_param {
struct ib_sa_path_rec *path;
u64 service_id;
__be64 service_id;
int timeout_ms;
const void *private_data;
u8 private_data_len;

2
drivers/infiniband/include/ib_fmr_pool.h → include/rdma/ib_fmr_pool.h
Просмотреть файл

@ -36,7 +36,7 @@
#if !defined(IB_FMR_POOL_H)
#define IB_FMR_POOL_H
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
struct ib_fmr_pool;

26
drivers/infiniband/include/ib_mad.h → include/rdma/ib_mad.h
Просмотреть файл

@ -41,7 +41,7 @@
#include <linux/pci.h>
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
/* Management base version */
#define IB_MGMT_BASE_VERSION 1
@ -90,6 +90,7 @@
#define IB_MGMT_RMPP_STATUS_SUCCESS 0
#define IB_MGMT_RMPP_STATUS_RESX 1
#define IB_MGMT_RMPP_STATUS_ABORT_MIN 118
#define IB_MGMT_RMPP_STATUS_T2L 118
#define IB_MGMT_RMPP_STATUS_BAD_LEN 119
#define IB_MGMT_RMPP_STATUS_BAD_SEG 120
@ -100,6 +101,7 @@
#define IB_MGMT_RMPP_STATUS_UNV 125
#define IB_MGMT_RMPP_STATUS_TMR 126
#define IB_MGMT_RMPP_STATUS_UNSPEC 127
#define IB_MGMT_RMPP_STATUS_ABORT_MAX 127
#define IB_QP0 0
#define IB_QP1 __constant_htonl(1)
@ -111,12 +113,12 @@ struct ib_mad_hdr {
u8 mgmt_class;
u8 class_version;
u8 method;
u16 status;
u16 class_specific;
u64 tid;
u16 attr_id;
u16 resv;
u32 attr_mod;
__be16 status;
__be16 class_specific;
__be64 tid;
__be16 attr_id;
__be16 resv;
__be32 attr_mod;
};
struct ib_rmpp_hdr {
@ -124,8 +126,8 @@ struct ib_rmpp_hdr {
u8 rmpp_type;
u8 rmpp_rtime_flags;
u8 rmpp_status;
u32 seg_num;
u32 paylen_newwin;
__be32 seg_num;
__be32 paylen_newwin;
};
typedef u64 __bitwise ib_sa_comp_mask;
@ -139,9 +141,9 @@ typedef u64 __bitwise ib_sa_comp_mask;
* the wire so we can't change the layout)
*/
struct ib_sa_hdr {
u64 sm_key;
u16 attr_offset;
u16 reserved;
__be64 sm_key;
__be16 attr_offset;
__be16 reserved;
ib_sa_comp_mask comp_mask;
} __attribute__ ((packed));

2
drivers/infiniband/include/ib_pack.h → include/rdma/ib_pack.h
Просмотреть файл

@ -35,7 +35,7 @@
#ifndef IB_PACK_H
#define IB_PACK_H
#include <ib_verbs.h>
#include <rdma/ib_verbs.h>
enum {
IB_LRH_BYTES = 8,

22
drivers/infiniband/include/ib_sa.h → include/rdma/ib_sa.h
Просмотреть файл

@ -38,8 +38,8 @@
#include <linux/compiler.h>
#include <ib_verbs.h>
#include <ib_mad.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_mad.h>
enum {
IB_SA_CLASS_VERSION = 2, /* IB spec version 1.1/1.2 */
@ -133,16 +133,16 @@ struct ib_sa_path_rec {
/* reserved */
union ib_gid dgid;
union ib_gid sgid;
u16 dlid;
u16 slid;
__be16 dlid;
__be16 slid;
int raw_traffic;
/* reserved */
u32 flow_label;
__be32 flow_label;
u8 hop_limit;
u8 traffic_class;
int reversible;
u8 numb_path;
u16 pkey;
__be16 pkey;
/* reserved */
u8 sl;
u8 mtu_selector;
@ -176,18 +176,18 @@ struct ib_sa_path_rec {
struct ib_sa_mcmember_rec {
union ib_gid mgid;
union ib_gid port_gid;
u32 qkey;
u16 mlid;
__be32 qkey;
__be16 mlid;
u8 mtu_selector;
u8 mtu;
u8 traffic_class;
u16 pkey;
__be16 pkey;
u8 rate_selector;
u8 rate;
u8 packet_life_time_selector;
u8 packet_life_time;
u8 sl;
u32 flow_label;
__be32 flow_label;
u8 hop_limit;
u8 scope;
u8 join_state;
@ -238,7 +238,7 @@ struct ib_sa_mcmember_rec {
struct ib_sa_service_rec {
u64 id;
union ib_gid gid;
u16 pkey;
__be16 pkey;
/* reserved */
u32 lease;
u8 key[16];

20
drivers/infiniband/include/ib_smi.h → include/rdma/ib_smi.h
Просмотреть файл

@ -39,9 +39,7 @@
#if !defined( IB_SMI_H )
#define IB_SMI_H
#include <ib_mad.h>
#define IB_LID_PERMISSIVE 0xFFFF
#include <rdma/ib_mad.h>
#define IB_SMP_DATA_SIZE 64
#define IB_SMP_MAX_PATH_HOPS 64
@ -51,16 +49,16 @@ struct ib_smp {
u8 mgmt_class;
u8 class_version;
u8 method;
u16 status;
__be16 status;
u8 hop_ptr;
u8 hop_cnt;
u64 tid;
u16 attr_id;
u16 resv;
u32 attr_mod;
u64 mkey;
u16 dr_slid;
u16 dr_dlid;
__be64 tid;
__be16 attr_id;
__be16 resv;
__be32 attr_mod;
__be64 mkey;
__be16 dr_slid;
__be16 dr_dlid;
u8 reserved[28];
u8 data[IB_SMP_DATA_SIZE];
u8 initial_path[IB_SMP_MAX_PATH_HOPS];

28
drivers/infiniband/include/ib_user_cm.h → include/rdma/ib_user_cm.h
Просмотреть файл

@ -88,15 +88,15 @@ struct ib_ucm_attr_id {
};
struct ib_ucm_attr_id_resp {
__u64 service_id;
__u64 service_mask;
__u32 local_id;
__u32 remote_id;
__be64 service_id;
__be64 service_mask;
__be32 local_id;
__be32 remote_id;
};
struct ib_ucm_listen {
__u64 service_id;
__u64 service_mask;
__be64 service_id;
__be64 service_mask;
__u32 id;
};
@ -114,13 +114,13 @@ struct ib_ucm_private_data {
struct ib_ucm_path_rec {
__u8 dgid[16];
__u8 sgid[16];
__u16 dlid;
__u16 slid;
__be16 dlid;
__be16 slid;
__u32 raw_traffic;
__u32 flow_label;
__be32 flow_label;
__u32 reversible;
__u32 mtu;
__u16 pkey;
__be16 pkey;
__u8 hop_limit;
__u8 traffic_class;
__u8 numb_path;
@ -138,7 +138,7 @@ struct ib_ucm_req {
__u32 qpn;
__u32 qp_type;
__u32 psn;
__u64 sid;
__be64 sid;
__u64 data;
__u64 primary_path;
__u64 alternate_path;
@ -200,7 +200,7 @@ struct ib_ucm_lap {
struct ib_ucm_sidr_req {
__u32 id;
__u32 timeout;
__u64 sid;
__be64 sid;
__u64 data;
__u64 path;
__u16 pkey;
@ -237,7 +237,7 @@ struct ib_ucm_req_event_resp {
/* port */
struct ib_ucm_path_rec primary_path;
struct ib_ucm_path_rec alternate_path;
__u64 remote_ca_guid;
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 qp_type;
@ -253,7 +253,7 @@ struct ib_ucm_req_event_resp {
};
struct ib_ucm_rep_event_resp {
__u64 remote_ca_guid;
__be64 remote_ca_guid;
__u32 remote_qkey;
__u32 remote_qpn;
__u32 starting_psn;

10
drivers/infiniband/include/ib_user_mad.h → include/rdma/ib_user_mad.h
Просмотреть файл

@ -70,8 +70,6 @@
* @traffic_class - Traffic class in GRH
* @gid - Remote GID in GRH
* @flow_label - Flow label in GRH
*
* All multi-byte quantities are stored in network (big endian) byte order.
*/
struct ib_user_mad_hdr {
__u32 id;
@ -79,9 +77,9 @@ struct ib_user_mad_hdr {
__u32 timeout_ms;
__u32 retries;
__u32 length;
__u32 qpn;
__u32 qkey;
__u16 lid;
__be32 qpn;
__be32 qkey;
__be16 lid;
__u8 sl;
__u8 path_bits;
__u8 grh_present;
@ -89,7 +87,7 @@ struct ib_user_mad_hdr {
__u8 hop_limit;
__u8 traffic_class;
__u8 gid[16];
__u32 flow_label;
__be32 flow_label;
};
/**

39
drivers/infiniband/include/ib_user_verbs.h → include/rdma/ib_user_verbs.h
Просмотреть файл

@ -78,7 +78,12 @@ enum {
IB_USER_VERBS_CMD_POST_SEND,
IB_USER_VERBS_CMD_POST_RECV,
IB_USER_VERBS_CMD_ATTACH_MCAST,
IB_USER_VERBS_CMD_DETACH_MCAST
IB_USER_VERBS_CMD_DETACH_MCAST,
IB_USER_VERBS_CMD_CREATE_SRQ,
IB_USER_VERBS_CMD_MODIFY_SRQ,
IB_USER_VERBS_CMD_QUERY_SRQ,
IB_USER_VERBS_CMD_DESTROY_SRQ,
IB_USER_VERBS_CMD_POST_SRQ_RECV
};
/*
@ -143,8 +148,8 @@ struct ib_uverbs_query_device {
struct ib_uverbs_query_device_resp {
__u64 fw_ver;
__u64 node_guid;
__u64 sys_image_guid;
__be64 node_guid;
__be64 sys_image_guid;
__u64 max_mr_size;
__u64 page_size_cap;
__u32 vendor_id;
@ -386,4 +391,32 @@ struct ib_uverbs_detach_mcast {
__u64 driver_data[0];
};
struct ib_uverbs_create_srq {
__u64 response;
__u64 user_handle;
__u32 pd_handle;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u64 driver_data[0];
};
struct ib_uverbs_create_srq_resp {
__u32 srq_handle;
};
struct ib_uverbs_modify_srq {
__u32 srq_handle;
__u32 attr_mask;
__u32 max_wr;
__u32 max_sge;
__u32 srq_limit;
__u32 reserved;
__u64 driver_data[0];
};
struct ib_uverbs_destroy_srq {
__u32 srq_handle;
};
#endif /* IB_USER_VERBS_H */

118
drivers/infiniband/include/ib_verbs.h → include/rdma/ib_verbs.h
Просмотреть файл

@ -4,6 +4,7 @@
* Copyright (c) 2004 Intel Corporation. All rights reserved.
* Copyright (c) 2004 Topspin Corporation. All rights reserved.
* Copyright (c) 2004 Voltaire Corporation. All rights reserved.
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
* Copyright (c) 2005 Cisco Systems. All rights reserved.
*
* This software is available to you under a choice of one of two
@ -50,8 +51,8 @@
union ib_gid {
u8 raw[16];
struct {
u64 subnet_prefix;
u64 interface_id;
__be64 subnet_prefix;
__be64 interface_id;
} global;
};
@ -87,8 +88,8 @@ enum ib_atomic_cap {
struct ib_device_attr {
u64 fw_ver;
u64 node_guid;
u64 sys_image_guid;
__be64 node_guid;
__be64 sys_image_guid;
u64 max_mr_size;
u64 page_size_cap;
u32 vendor_id;
@ -255,7 +256,10 @@ enum ib_event_type {
IB_EVENT_PORT_ERR,
IB_EVENT_LID_CHANGE,
IB_EVENT_PKEY_CHANGE,
IB_EVENT_SM_CHANGE
IB_EVENT_SM_CHANGE,
IB_EVENT_SRQ_ERR,
IB_EVENT_SRQ_LIMIT_REACHED,
IB_EVENT_QP_LAST_WQE_REACHED
};
struct ib_event {
@ -263,6 +267,7 @@ struct ib_event {
union {
struct ib_cq *cq;
struct ib_qp *qp;
struct ib_srq *srq;
u8 port_num;
} element;
enum ib_event_type event;
@ -290,8 +295,8 @@ struct ib_global_route {
};
struct ib_grh {
u32 version_tclass_flow;
u16 paylen;
__be32 version_tclass_flow;
__be16 paylen;
u8 next_hdr;
u8 hop_limit;
union ib_gid sgid;
@ -302,6 +307,8 @@ enum {
IB_MULTICAST_QPN = 0xffffff
};
#define IB_LID_PERMISSIVE __constant_htons(0xFFFF)
enum ib_ah_flags {
IB_AH_GRH = 1
};
@ -383,6 +390,23 @@ enum ib_cq_notify {
IB_CQ_NEXT_COMP
};
enum ib_srq_attr_mask {
IB_SRQ_MAX_WR = 1 << 0,
IB_SRQ_LIMIT = 1 << 1,
};
struct ib_srq_attr {
u32 max_wr;
u32 max_sge;
u32 srq_limit;
};
struct ib_srq_init_attr {
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
struct ib_srq_attr attr;
};
struct ib_qp_cap {
u32 max_send_wr;
u32 max_recv_wr;
@ -710,10 +734,11 @@ struct ib_cq {
};
struct ib_srq {
struct ib_device *device;
struct ib_uobject *uobject;
struct ib_pd *pd;
void *srq_context;
struct ib_device *device;
struct ib_pd *pd;
struct ib_uobject *uobject;
void (*event_handler)(struct ib_event *, void *);
void *srq_context;
atomic_t usecnt;
};
@ -827,6 +852,18 @@ struct ib_device {
int (*query_ah)(struct ib_ah *ah,
struct ib_ah_attr *ah_attr);
int (*destroy_ah)(struct ib_ah *ah);
struct ib_srq * (*create_srq)(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int (*modify_srq)(struct ib_srq *srq,
struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask);
int (*query_srq)(struct ib_srq *srq,
struct ib_srq_attr *srq_attr);
int (*destroy_srq)(struct ib_srq *srq);
int (*post_srq_recv)(struct ib_srq *srq,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
struct ib_qp * (*create_qp)(struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata);
@ -1038,6 +1075,65 @@ int ib_query_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr);
*/
int ib_destroy_ah(struct ib_ah *ah);
/**
* ib_create_srq - Creates a SRQ associated with the specified protection
* domain.
* @pd: The protection domain associated with the SRQ.
* @srq_init_attr: A list of initial attributes required to create the SRQ.
*
* srq_attr->max_wr and srq_attr->max_sge are read the determine the
* requested size of the SRQ, and set to the actual values allocated
* on return. If ib_create_srq() succeeds, then max_wr and max_sge
* will always be at least as large as the requested values.
*/
struct ib_srq *ib_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr);
/**
* ib_modify_srq - Modifies the attributes for the specified SRQ.
* @srq: The SRQ to modify.
* @srq_attr: On input, specifies the SRQ attributes to modify. On output,
* the current values of selected SRQ attributes are returned.
* @srq_attr_mask: A bit-mask used to specify which attributes of the SRQ
* are being modified.
*
* The mask may contain IB_SRQ_MAX_WR to resize the SRQ and/or
* IB_SRQ_LIMIT to set the SRQ's limit and request notification when
* the number of receives queued drops below the limit.
*/
int ib_modify_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask);
/**
* ib_query_srq - Returns the attribute list and current values for the
* specified SRQ.
* @srq: The SRQ to query.
* @srq_attr: The attributes of the specified SRQ.
*/
int ib_query_srq(struct ib_srq *srq,
struct ib_srq_attr *srq_attr);
/**
* ib_destroy_srq - Destroys the specified SRQ.
* @srq: The SRQ to destroy.
*/
int ib_destroy_srq(struct ib_srq *srq);
/**
* ib_post_srq_recv - Posts a list of work requests to the specified SRQ.
* @srq: The SRQ to post the work request on.
* @recv_wr: A list of work requests to post on the receive queue.
* @bad_recv_wr: On an immediate failure, this parameter will reference
* the work request that failed to be posted on the QP.
*/
static inline int ib_post_srq_recv(struct ib_srq *srq,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
{
return srq->device->post_srq_recv(srq, recv_wr, bad_recv_wr);
}
/**
* ib_create_qp - Creates a QP associated with the specified protection
* domain.