Skip to content

L
linux
Commit 0cdf6990 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
Options

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (76 commits)
  IB: Update MAINTAINERS with Hal's new email address
  IB/mlx4: Implement query SRQ
  IB/mlx4: Implement query QP
  IB/cm: Send no match if a SIDR REQ does not match a listen
  IB/cm: Fix handling of duplicate SIDR REQs
  IB/cm: cm_msgs.h should include ib_cm.h
  IB/cm: Include HCA ACK delay in local ACK timeout
  IB/cm: Use spin_lock_irq() instead of spin_lock_irqsave() when possible
  IB/sa: Make sure SA queries use default P_Key
  IPoIB: Recycle loopback skbs instead of freeing and reallocating
  IB/mthca: Replace memset(<addr>, 0, PAGE_SIZE) with clear_page(<addr>)
  IPoIB/cm: Fix warning if IPV6 is not enabled
  IB/core: Take sizeof the correct pointer when calling kmalloc()
  IB/ehca: Improve latency by unlocking after triggering the hardware
  IB/ehca: Notify consumers of LID/PKEY/SM changes after nondisruptive events
  IB/ehca: Return QP pointer in poll_cq()
  IB/ehca: Change idr spinlocks into rwlocks
  IB/ehca: Refactor sync between completions and destroy_cq using atomic_t
  IB/ehca: Lock renaming, static initializers
  IB/ehca: Report RDMA atomic attributes in query_qp()
  ...
parents de081fa5 cec7c893
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 2812 additions and 1061 deletions
MAINTAINERS
View file @ 0cdf6990
......@@ -370,7 +370,7 @@ P: Tom Tucker
M: tom@opengridcomputing.com
P: Steve Wise
M: swise@opengridcomputing.com
L: openib-general@openib.org
L: general@lists.openfabrics.org
S: Maintained
AOA (Apple Onboard Audio) ALSA DRIVER
......@@ -1395,7 +1395,7 @@ P: Hoang-Nam Nguyen
M: hnguyen@de.ibm.com
P: Christoph Raisch
M: raisch@de.ibm.com
L: openib-general@openib.org
L: general@lists.openfabrics.org
S: Supported
EMU10K1 SOUND DRIVER
......@@ -1849,8 +1849,8 @@ M: rolandd@cisco.com
P: Sean Hefty
M: mshefty@ichips.intel.com
P: Hal Rosenstock
M: halr@voltaire.com
L: openib-general@openib.org
M: hal.rosenstock@gmail.com
L: general@lists.openfabrics.org
W: http://www.openib.org/
T: git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
S: Supported
......@@ -1988,9 +1988,10 @@ M: jjciarla@raiz.uncu.edu.ar
S: Maintained
IPATH DRIVER:
P: Bryan O'Sullivan
M: support@pathscale.com
L: openib-general@openib.org
P: Arthur Jones
M: infinipath@qlogic.com
L: general@lists.openfabrics.org
T: git git://git.qlogic.com/ipath-linux-2.6
S: Supported
IPMI SUBSYSTEM
......
drivers/infiniband/Kconfig
View file @ 0cdf6990
menu "InfiniBand support"
depends on HAS_IOMEM
config INFINIBAND
depends on PCI || BROKEN
menuconfig INFINIBAND
tristate "InfiniBand support"
depends on PCI || BROKEN
depends on HAS_IOMEM
---help---
Core support for InfiniBand (IB). Make sure to also select
any protocols you wish to use as well as drivers for your
InfiniBand hardware.
if INFINIBAND
config INFINIBAND_USER_MAD
tristate "InfiniBand userspace MAD support"
depends on INFINIBAND
......@@ -20,7 +20,6 @@ config INFINIBAND_USER_MAD
config INFINIBAND_USER_ACCESS
tristate "InfiniBand userspace access (verbs and CM)"
depends on INFINIBAND
---help---
Userspace InfiniBand access support. This enables the
kernel side of userspace verbs and the userspace
......@@ -37,7 +36,7 @@ config INFINIBAND_USER_MEM
config INFINIBAND_ADDR_TRANS
bool
depends on INFINIBAND && INET
depends on INET
default y
source "drivers/infiniband/hw/mthca/Kconfig"
......@@ -54,4 +53,4 @@ source "drivers/infiniband/ulp/srp/Kconfig"
source "drivers/infiniband/ulp/iser/Kconfig"
endmenu
endif # INFINIBAND
drivers/infiniband/core/agent.c
View file @ 0cdf6990
......@@ -3,7 +3,7 @@
* 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) 2004-2007 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
......@@ -34,7 +34,6 @@
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* $Id: agent.c 1389 2004-12-27 22:56:47Z roland $
*/
#include <linux/slab.h>
......@@ -42,6 +41,7 @@
#include "agent.h"
#include "smi.h"
#include "mad_priv.h"
#define SPFX "ib_agent: "
......@@ -87,8 +87,13 @@ int agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
struct ib_mad_send_buf *send_buf;
struct ib_ah *ah;
int ret;
struct ib_mad_send_wr_private *mad_send_wr;
if (device->node_type == RDMA_NODE_IB_SWITCH)
port_priv = ib_get_agent_port(device, 0);
else
port_priv = ib_get_agent_port(device, port_num);
port_priv = ib_get_agent_port(device, port_num);
if (!port_priv) {
printk(KERN_ERR SPFX "Unable to find port agent\n");
return -ENODEV;
......@@ -113,6 +118,14 @@ int agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
memcpy(send_buf->mad, mad, sizeof *mad);
send_buf->ah = ah;
if (device->node_type == RDMA_NODE_IB_SWITCH) {
mad_send_wr = container_of(send_buf,
struct ib_mad_send_wr_private,
send_buf);
mad_send_wr->send_wr.wr.ud.port_num = port_num;
}
if ((ret = ib_post_send_mad(send_buf, NULL))) {
printk(KERN_ERR SPFX "ib_post_send_mad error:%d\n", ret);
goto err2;
......
drivers/infiniband/core/cm.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/core/cm_msgs.h
View file @ 0cdf6990
......@@ -35,6 +35,7 @@
#define CM_MSGS_H
#include <rdma/ib_mad.h>
#include <rdma/ib_cm.h>
/*
* Parameters to routines below should be in network-byte order, and values
......
drivers/infiniband/core/cma.c
View file @ 0cdf6990
......@@ -2326,7 +2326,6 @@ static int cma_accept_ib(struct rdma_id_private *id_priv,
rep.private_data_len = conn_param->private_data_len;
rep.responder_resources = conn_param->responder_resources;
rep.initiator_depth = conn_param->initiator_depth;
rep.target_ack_delay = CMA_CM_RESPONSE_TIMEOUT;
rep.failover_accepted = 0;
rep.flow_control = conn_param->flow_control;
rep.rnr_retry_count = conn_param->rnr_retry_count;
......
drivers/infiniband/core/mad.c
View file @ 0cdf6990
......@@ -675,10 +675,16 @@ static int handle_outgoing_dr_smp(struct ib_mad_agent_private *mad_agent_priv,
struct ib_mad_port_private *port_priv;
struct ib_mad_agent_private *recv_mad_agent = NULL;
struct ib_device *device = mad_agent_priv->agent.device;
u8 port_num = mad_agent_priv->agent.port_num;
u8 port_num;
struct ib_wc mad_wc;
struct ib_send_wr *send_wr = &mad_send_wr->send_wr;
if (device->node_type == RDMA_NODE_IB_SWITCH &&
smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
port_num = send_wr->wr.ud.port_num;
else
port_num = mad_agent_priv->agent.port_num;
/*
* Directed route handling starts if the initial LID routed part of
* a request or the ending LID routed part of a response is empty.
......@@ -1839,6 +1845,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
struct ib_mad_private *recv, *response;
struct ib_mad_list_head *mad_list;
struct ib_mad_agent_private *mad_agent;
int port_num;
response = kmem_cache_alloc(ib_mad_cache, GFP_KERNEL);
if (!response)
......@@ -1872,25 +1879,50 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
if (!validate_mad(&recv->mad.mad, qp_info->qp->qp_num))
goto out;
if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH)
port_num = wc->port_num;
else
port_num = port_priv->port_num;
if (recv->mad.mad.mad_hdr.mgmt_class ==
IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) {
enum smi_forward_action retsmi;
if (smi_handle_dr_smp_recv(&recv->mad.smp,
port_priv->device->node_type,
port_priv->port_num,
port_num,
port_priv->device->phys_port_cnt) ==
IB_SMI_DISCARD)
goto out;
if (smi_check_forward_dr_smp(&recv->mad.smp) == IB_SMI_LOCAL)
retsmi = smi_check_forward_dr_smp(&recv->mad.smp);
if (retsmi == IB_SMI_LOCAL)
goto local;
if (smi_handle_dr_smp_send(&recv->mad.smp,
port_priv->device->node_type,
port_priv->port_num) == IB_SMI_DISCARD)
goto out;
if (retsmi == IB_SMI_SEND) { /* don't forward */
if (smi_handle_dr_smp_send(&recv->mad.smp,
port_priv->device->node_type,
port_num) == IB_SMI_DISCARD)
goto out;
if (smi_check_local_smp(&recv->mad.smp, port_priv->device) == IB_SMI_DISCARD)
goto out;
} else if (port_priv->device->node_type == RDMA_NODE_IB_SWITCH) {
/* forward case for switches */
memcpy(response, recv, sizeof(*response));
response->header.recv_wc.wc = &response->header.wc;
response->header.recv_wc.recv_buf.mad = &response->mad.mad;
response->header.recv_wc.recv_buf.grh = &response->grh;
if (!agent_send_response(&response->mad.mad,
&response->grh, wc,
port_priv->device,
smi_get_fwd_port(&recv->mad.smp),
qp_info->qp->qp_num))
response = NULL;
if (smi_check_local_smp(&recv->mad.smp, port_priv->device) == IB_SMI_DISCARD)
goto out;
}
}
local:
......@@ -1919,7 +1951,7 @@ static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
agent_send_response(&response->mad.mad,
&recv->grh, wc,
port_priv->device,
port_priv->port_num,
port_num,
qp_info->qp->qp_num);
goto out;
}
......
drivers/infiniband/core/multicast.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 Intel Corporation.  All rights reserved.
* Copyright (c) 2006 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
......
drivers/infiniband/core/sa.h
View file @ 0cdf6990
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
* Copyright (c) 2006 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/core/sa_query.c
View file @ 0cdf6990
/*
* Copyright (c) 2004 Topspin Communications. All rights reserved.
* Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
* Copyright (c) 2005 Voltaire, Inc. All rights reserved.
* Copyright (c) 2006 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -56,6 +56,7 @@ MODULE_LICENSE("Dual BSD/GPL");
struct ib_sa_sm_ah {
struct ib_ah *ah;
struct kref ref;
u16 pkey_index;
u8 src_path_mask;
};
......@@ -382,6 +383,13 @@ static void update_sm_ah(struct work_struct *work)
kref_init(&new_ah->ref);
new_ah->src_path_mask = (1 << port_attr.lmc) - 1;
new_ah->pkey_index = 0;
if (ib_find_pkey(port->agent->device, port->port_num,
IB_DEFAULT_PKEY_FULL, &new_ah->pkey_index) &&
ib_find_pkey(port->agent->device, port->port_num,
IB_DEFAULT_PKEY_PARTIAL, &new_ah->pkey_index))
printk(KERN_ERR "Couldn't find index for default PKey\n");
memset(&ah_attr, 0, sizeof ah_attr);
ah_attr.dlid = port_attr.sm_lid;
ah_attr.sl = port_attr.sm_sl;
......@@ -512,6 +520,35 @@ int ib_init_ah_from_path(struct ib_device *device, u8 port_num,
}
EXPORT_SYMBOL(ib_init_ah_from_path);
static int alloc_mad(struct ib_sa_query *query, gfp_t gfp_mask)
{
unsigned long flags;
spin_lock_irqsave(&query->port->ah_lock, flags);
kref_get(&query->port->sm_ah->ref);
query->sm_ah = query->port->sm_ah;
spin_unlock_irqrestore(&query->port->ah_lock, flags);
query->mad_buf = ib_create_send_mad(query->port->agent, 1,
query->sm_ah->pkey_index,
0, IB_MGMT_SA_HDR, IB_MGMT_SA_DATA,
gfp_mask);
if (!query->mad_buf) {
kref_put(&query->sm_ah->ref, free_sm_ah);
return -ENOMEM;
}
query->mad_buf->ah = query->sm_ah->ah;
return 0;
}
static void free_mad(struct ib_sa_query *query)
{
ib_free_send_mad(query->mad_buf);
kref_put(&query->sm_ah->ref, free_sm_ah);
}
static void init_mad(struct ib_sa_mad *mad, struct ib_mad_agent *agent)
{
unsigned long flags;
......@@ -548,20 +585,11 @@ static int send_mad(struct ib_sa_query *query, int timeout_ms, gfp_t gfp_mask)
query->mad_buf->context[0] = query;
query->id = id;
spin_lock_irqsave(&query->port->ah_lock, flags);
kref_get(&query->port->sm_ah->ref);
query->sm_ah = query->port->sm_ah;
spin_unlock_irqrestore(&query->port->ah_lock, flags);
query->mad_buf->ah = query->sm_ah->ah;
ret = ib_post_send_mad(query->mad_buf, NULL);
if (ret) {
spin_lock_irqsave(&idr_lock, flags);
idr_remove(&query_idr, id);
spin_unlock_irqrestore(&idr_lock, flags);
kref_put(&query->sm_ah->ref, free_sm_ah);
}
/*
......@@ -647,13 +675,10 @@ int ib_sa_path_rec_get(struct ib_sa_client *client,
if (!query)
return -ENOMEM;
query->sa_query.mad_buf = ib_create_send_mad(agent, 1, 0,
0, IB_MGMT_SA_HDR,
IB_MGMT_SA_DATA, gfp_mask);
if (!query->sa_query.mad_buf) {
ret = -ENOMEM;
query->sa_query.port = port;
ret = alloc_mad(&query->sa_query, gfp_mask);
if (ret)
goto err1;
}
ib_sa_client_get(client);
query->sa_query.client = client;
......@@ -665,7 +690,6 @@ int ib_sa_path_rec_get(struct ib_sa_client *client,
query->sa_query.callback = callback ? ib_sa_path_rec_callback : NULL;
query->sa_query.release = ib_sa_path_rec_release;
query->sa_query.port = port;
mad->mad_hdr.method = IB_MGMT_METHOD_GET;
mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_PATH_REC);
mad->sa_hdr.comp_mask = comp_mask;
......@@ -683,7 +707,7 @@ int ib_sa_path_rec_get(struct ib_sa_client *client,
err2:
*sa_query = NULL;
ib_sa_client_put(query->sa_query.client);
ib_free_send_mad(query->sa_query.mad_buf);
free_mad(&query->sa_query);
err1:
kfree(query);
......@@ -773,13 +797,10 @@ int ib_sa_service_rec_query(struct ib_sa_client *client,
if (!query)
return -ENOMEM;
query->sa_query.mad_buf = ib_create_send_mad(agent, 1, 0,
0, IB_MGMT_SA_HDR,
IB_MGMT_SA_DATA, gfp_mask);
if (!query->sa_query.mad_buf) {
ret = -ENOMEM;
query->sa_query.port = port;
ret = alloc_mad(&query->sa_query, gfp_mask);
if (ret)
goto err1;
}
ib_sa_client_get(client);
query->sa_query.client = client;
......@@ -791,7 +812,6 @@ int ib_sa_service_rec_query(struct ib_sa_client *client,
query->sa_query.callback = callback ? ib_sa_service_rec_callback : NULL;
query->sa_query.release = ib_sa_service_rec_release;
query->sa_query.port = port;
mad->mad_hdr.method = method;
mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_SERVICE_REC);
mad->sa_hdr.comp_mask = comp_mask;
......@@ -810,7 +830,7 @@ int ib_sa_service_rec_query(struct ib_sa_client *client,
err2:
*sa_query = NULL;
ib_sa_client_put(query->sa_query.client);
ib_free_send_mad(query->sa_query.mad_buf);
free_mad(&query->sa_query);
err1:
kfree(query);
......@@ -869,13 +889,10 @@ int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
if (!query)
return -ENOMEM;
query->sa_query.mad_buf = ib_create_send_mad(agent, 1, 0,
0, IB_MGMT_SA_HDR,
IB_MGMT_SA_DATA, gfp_mask);
if (!query->sa_query.mad_buf) {
ret = -ENOMEM;
query->sa_query.port = port;
ret = alloc_mad(&query->sa_query, gfp_mask);
if (ret)
goto err1;
}
ib_sa_client_get(client);
query->sa_query.client = client;
......@@ -887,7 +904,6 @@ int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
query->sa_query.callback = callback ? ib_sa_mcmember_rec_callback : NULL;
query->sa_query.release = ib_sa_mcmember_rec_release;
query->sa_query.port = port;
mad->mad_hdr.method = method;
mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_MC_MEMBER_REC);
mad->sa_hdr.comp_mask = comp_mask;
......@@ -906,7 +922,7 @@ int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
err2:
*sa_query = NULL;
ib_sa_client_put(query->sa_query.client);
ib_free_send_mad(query->sa_query.mad_buf);
free_mad(&query->sa_query);
err1:
kfree(query);
......@@ -939,8 +955,7 @@ static void send_handler(struct ib_mad_agent *agent,
idr_remove(&query_idr, query->id);
spin_unlock_irqrestore(&idr_lock, flags);
ib_free_send_mad(mad_send_wc->send_buf);
kref_put(&query->sm_ah->ref, free_sm_ah);
free_mad(query);
ib_sa_client_put(query->client);
query->release(query);
}
......
drivers/infiniband/core/smi.c
View file @ 0cdf6990
......@@ -192,7 +192,7 @@ enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
}
/* smp->hop_ptr updated when sending */
return (node_type == RDMA_NODE_IB_SWITCH ?
IB_SMI_HANDLE: IB_SMI_DISCARD);
IB_SMI_HANDLE : IB_SMI_DISCARD);
}
/* C14-13:4 -- hop_ptr = 0 -> give to SM */
......@@ -211,7 +211,7 @@ enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp)
if (!ib_get_smp_direction(smp)) {
/* C14-9:2 -- intermediate hop */
if (hop_ptr && hop_ptr < hop_cnt)
return IB_SMI_SEND;
return IB_SMI_FORWARD;
/* C14-9:3 -- at the end of the DR segment of path */
if (hop_ptr == hop_cnt)
......@@ -224,7 +224,7 @@ enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp)
} else {
/* C14-13:2 -- intermediate hop */
if (2 <= hop_ptr && hop_ptr <= hop_cnt)
return IB_SMI_SEND;
return IB_SMI_FORWARD;
/* C14-13:3 -- at the end of the DR segment of path */
if (hop_ptr == 1)
......@@ -233,3 +233,13 @@ enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp)
}
return IB_SMI_LOCAL;
}
/*
* Return the forwarding port number from initial_path for outgoing SMP and
* from return_path for returning SMP
*/
int smi_get_fwd_port(struct ib_smp *smp)
{
return (!ib_get_smp_direction(smp) ? smp->initial_path[smp->hop_ptr+1] :
smp->return_path[smp->hop_ptr-1]);
}
drivers/infiniband/core/smi.h
View file @ 0cdf6990
......@@ -48,10 +48,12 @@ enum smi_action {
enum smi_forward_action {
IB_SMI_LOCAL, /* SMP should be completed up the stack */
IB_SMI_SEND, /* received DR SMP should be forwarded to the send queue */
IB_SMI_FORWARD /* SMP should be forwarded (for switches only) */
};
enum smi_action smi_handle_dr_smp_recv(struct ib_smp *smp, u8 node_type,
int port_num, int phys_port_cnt);
int smi_get_fwd_port(struct ib_smp *smp);
extern enum smi_forward_action smi_check_forward_dr_smp(struct ib_smp *smp);
extern enum smi_action smi_handle_dr_smp_send(struct ib_smp *smp,
u8 node_type, int port_num);
......
drivers/infiniband/core/sysfs.c
View file @ 0cdf6990
......@@ -311,7 +311,7 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
return sprintf(buf, "N/A (no PMA)\n");
in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
if (!in_mad || !out_mad) {
ret = -ENOMEM;
goto out;
......
drivers/infiniband/core/ucm.c
View file @ 0cdf6990
......@@ -823,7 +823,6 @@ static ssize_t ib_ucm_send_rep(struct ib_ucm_file *file,
param.private_data_len = cmd.len;
param.responder_resources = cmd.responder_resources;
param.initiator_depth = cmd.initiator_depth;
param.target_ack_delay = cmd.target_ack_delay;
param.failover_accepted = cmd.failover_accepted;
param.flow_control = cmd.flow_control;
param.rnr_retry_count = cmd.rnr_retry_count;
......
drivers/infiniband/core/umem.c
View file @ 0cdf6990
......@@ -121,6 +121,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
cur_base = addr & PAGE_MASK;
ret = 0;
while (npages) {
ret = get_user_pages(current, current->mm, cur_base,
min_t(int, npages,
......
drivers/infiniband/hw/amso1100/Kconfig
View file @ 0cdf6990
config INFINIBAND_AMSO1100
tristate "Ammasso 1100 HCA support"
depends on PCI && INET && INFINIBAND
depends on PCI && INET
---help---
This is a low-level driver for the Ammasso 1100 host
channel adapter (HCA).
......
drivers/infiniband/hw/cxgb3/Kconfig
View file @ 0cdf6990
config INFINIBAND_CXGB3
tristate "Chelsio RDMA Driver"
depends on CHELSIO_T3 && INFINIBAND && INET
depends on CHELSIO_T3 && INET
select GENERIC_ALLOCATOR
---help---
This is an iWARP/RDMA driver for the Chelsio T3 1GbE and
......
drivers/infiniband/hw/cxgb3/cxio_hal.c
View file @ 0cdf6990
......@@ -144,7 +144,7 @@ static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
}
wqe = (struct t3_modify_qp_wr *) skb_put(skb, sizeof(*wqe));
memset(wqe, 0, sizeof(*wqe));
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 3, 1, qpid, 7);
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 3, 0, qpid, 7);
wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
sge_cmd = qpid << 8 | 3;
wqe->sge_cmd = cpu_to_be64(sge_cmd);
......@@ -548,7 +548,7 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
V_EC_UP_TOKEN(T3_CTL_QP_TID) | F_EC_VALID)) << 32;
wqe = (struct t3_modify_qp_wr *) skb_put(skb, sizeof(*wqe));
memset(wqe, 0, sizeof(*wqe));
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 0, 1,
build_fw_riwrh((struct fw_riwrh *) wqe, T3_WR_QP_MOD, 0, 0,
T3_CTL_QP_TID, 7);
wqe->flags = cpu_to_be32(MODQP_WRITE_EC);
sge_cmd = (3ULL << 56) | FW_RI_SGEEC_START << 8 | 3;
......@@ -833,7 +833,7 @@ int cxio_rdma_init(struct cxio_rdev *rdev_p, struct t3_rdma_init_attr *attr)
wqe->ird = cpu_to_be32(attr->ird);
wqe->qp_dma_addr = cpu_to_be64(attr->qp_dma_addr);
wqe->qp_dma_size = cpu_to_be32(attr->qp_dma_size);
wqe->rsvd = 0;
wqe->irs = cpu_to_be32(attr->irs);
skb->priority = 0; /* 0=>ToeQ; 1=>CtrlQ */
return (cxgb3_ofld_send(rdev_p->t3cdev_p, skb));
}
......
drivers/infiniband/hw/cxgb3/cxio_wr.h
View file @ 0cdf6990
......@@ -294,6 +294,7 @@ struct t3_rdma_init_attr {
u64 qp_dma_addr;
u32 qp_dma_size;
u32 flags;
u32 irs;
};
struct t3_rdma_init_wr {
......@@ -314,7 +315,7 @@ struct t3_rdma_init_wr {
__be32 ird;
__be64 qp_dma_addr; /* 7 */
__be32 qp_dma_size; /* 8 */
u32 rsvd;
u32 irs;
};
struct t3_genbit {
......
drivers/infiniband/hw/cxgb3/iwch_cm.c
View file @ 0cdf6990
......@@ -254,8 +254,6 @@ static void release_ep_resources(struct iwch_ep *ep)
cxgb3_remove_tid(ep->com.tdev, (void *)ep, ep->hwtid);
dst_release(ep->dst);
l2t_release(L2DATA(ep->com.tdev), ep->l2t);
if (ep->com.tdev->type == T3B)
release_tid(ep->com.tdev, ep->hwtid, NULL);
put_ep(&ep->com);
}
......@@ -515,7 +513,7 @@ static void send_mpa_req(struct iwch_ep *ep, struct sk_buff *skb)
req->len = htonl(len);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
req->flags = htonl(F_TX_IMM_ACK|F_TX_INIT);
req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
BUG_ON(ep->mpa_skb);
ep->mpa_skb = skb;
......@@ -566,7 +564,7 @@ static int send_mpa_reject(struct iwch_ep *ep, const void *pdata, u8 plen)
req->len = htonl(mpalen);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
req->flags = htonl(F_TX_IMM_ACK|F_TX_INIT);
req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
BUG_ON(ep->mpa_skb);
ep->mpa_skb = skb;
......@@ -618,7 +616,7 @@ static int send_mpa_reply(struct iwch_ep *ep, const void *pdata, u8 plen)
req->len = htonl(len);
req->param = htonl(V_TX_PORT(ep->l2t->smt_idx) |
V_TX_SNDBUF(snd_win>>15));
req->flags = htonl(F_TX_MORE | F_TX_IMM_ACK | F_TX_INIT);
req->flags = htonl(F_TX_INIT);
req->sndseq = htonl(ep->snd_seq);
ep->mpa_skb = skb;
state_set(&ep->com, MPA_REP_SENT);
......@@ -641,6 +639,7 @@ static int act_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
cxgb3_insert_tid(ep->com.tdev, &t3c_client, ep, tid);
ep->snd_seq = ntohl(req->snd_isn);
ep->rcv_seq = ntohl(req->rcv_isn);
set_emss(ep, ntohs(req->tcp_opt));
......@@ -1023,6 +1022,9 @@ static int rx_data(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
skb_pull(skb, sizeof(*hdr));
skb_trim(skb, dlen);
ep->rcv_seq += dlen;
BUG_ON(ep->rcv_seq != (ntohl(hdr->seq) + dlen));
switch (state_read(&ep->com)) {
case MPA_REQ_SENT:
process_mpa_reply(ep, skb);
......@@ -1060,7 +1062,6 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
struct iwch_ep *ep = ctx;
struct cpl_wr_ack *hdr = cplhdr(skb);
unsigned int credits = ntohs(hdr->credits);
enum iwch_qp_attr_mask mask;
PDBG("%s ep %p credits %u\n", __FUNCTION__, ep, credits);
......@@ -1072,30 +1073,6 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
ep->mpa_skb = NULL;
dst_confirm(ep->dst);
if (state_read(&ep->com) == MPA_REP_SENT) {
struct iwch_qp_attributes attrs;
/* bind QP to EP and move to RTS */
attrs.mpa_attr = ep->mpa_attr;
attrs.max_ird = ep->ord;
attrs.max_ord = ep->ord;
attrs.llp_stream_handle = ep;
attrs.next_state = IWCH_QP_STATE_RTS;
/* bind QP and TID with INIT_WR */
mask = IWCH_QP_ATTR_NEXT_STATE |
IWCH_QP_ATTR_LLP_STREAM_HANDLE |
IWCH_QP_ATTR_MPA_ATTR |
IWCH_QP_ATTR_MAX_IRD |
IWCH_QP_ATTR_MAX_ORD;
ep->com.rpl_err = iwch_modify_qp(ep->com.qp->rhp,
ep->com.qp, mask, &attrs, 1);
if (!ep->com.rpl_err) {
state_set(&ep->com, FPDU_MODE);
established_upcall(ep);
}
ep->com.rpl_done = 1;
PDBG("waking up ep %p\n", ep);
wake_up(&ep->com.waitq);
......@@ -1124,6 +1101,15 @@ static int abort_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
return CPL_RET_BUF_DONE;
}
/*
* Return whether a failed active open has allocated a TID
*/
static inline int act_open_has_tid(int status)
{
return status != CPL_ERR_TCAM_FULL && status != CPL_ERR_CONN_EXIST &&
status != CPL_ERR_ARP_MISS;
}
static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
{
struct iwch_ep *ep = ctx;
......@@ -1133,7 +1119,7 @@ static int act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
status2errno(rpl->status));
connect_reply_upcall(ep, status2errno(rpl->status));
state_set(&ep->com, DEAD);
if (ep->com.tdev->type == T3B)
if (ep->com.tdev->type == T3B && act_open_has_tid(rpl->status))
release_tid(ep->com.tdev, GET_TID(rpl), NULL);
cxgb3_free_atid(ep->com.tdev, ep->atid);
dst_release(ep->dst);
......@@ -1378,6 +1364,7 @@ static int pass_establish(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
PDBG("%s ep %p\n", __FUNCTION__, ep);
ep->snd_seq = ntohl(req->snd_isn);
ep->rcv_seq = ntohl(req->rcv_isn);
set_emss(ep, ntohs(req->tcp_opt));
......@@ -1485,6 +1472,13 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
int ret;
int state;
if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %d\n", __FUNCTION__, ep,
ep->hwtid);
t3_l2t_send_event(ep->com.tdev, ep->l2t);
return CPL_RET_BUF_DONE;
}
/*
* We get 2 peer aborts from the HW. The first one must
* be ignored except for scribbling that we need one more.
......@@ -1494,13 +1488,6 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
return CPL_RET_BUF_DONE;
}
if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %d\n", __FUNCTION__, ep,
ep->hwtid);
t3_l2t_send_event(ep->com.tdev, ep->l2t);
return CPL_RET_BUF_DONE;
}
state = state_read(&ep->com);
PDBG("%s ep %p state %u\n", __FUNCTION__, ep, state);
switch (state) {
......@@ -1732,10 +1719,8 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
struct iwch_qp *qp = get_qhp(h, conn_param->qpn);
PDBG("%s ep %p tid %u\n", __FUNCTION__, ep, ep->hwtid);
if (state_read(&ep->com) == DEAD) {
put_ep(&ep->com);
if (state_read(&ep->com) == DEAD)
return -ECONNRESET;
}
BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
BUG_ON(!qp);
......@@ -1755,17 +1740,8 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
ep->ird = conn_param->ird;
ep->ord = conn_param->ord;
PDBG("%s %d ird %d ord %d\n", __FUNCTION__, __LINE__, ep->ird, ep->ord);
get_ep(&ep->com);
err = send_mpa_reply(ep, conn_param->private_data,
conn_param->private_data_len);
if (err) {
ep->com.cm_id = NULL;
ep->com.qp = NULL;
cm_id->rem_ref(cm_id);
abort_connection(ep, NULL, GFP_KERNEL);
put_ep(&ep->com);
return err;
}
/* bind QP to EP and move to RTS */
attrs.mpa_attr = ep->mpa_attr;
......@@ -1783,16 +1759,28 @@ int iwch_accept_cr(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
err = iwch_modify_qp(ep->com.qp->rhp,
ep->com.qp, mask, &attrs, 1);
if (err)
goto err;
if (err) {
ep->com.cm_id = NULL;
ep->com.qp = NULL;
cm_id->rem_ref(cm_id);
abort_connection(ep, NULL, GFP_KERNEL);
} else {
state_set(&ep->com, FPDU_MODE);
established_upcall(ep);
}
err = send_mpa_reply(ep, conn_param->private_data,
conn_param->private_data_len);
if (err)
goto err;
/* wait for wr_ack */
wait_event(ep->com.waitq, ep->com.rpl_done);
err = ep->com.rpl_err;
if (err)
goto err;
state_set(&ep->com, FPDU_MODE);
established_upcall(ep);
put_ep(&ep->com);
return 0;
err:
ep->com.cm_id = NULL;
ep->com.qp = NULL;
cm_id->rem_ref(cm_id);
put_ep(&ep->com);
return err;
}
......
drivers/infiniband/hw/cxgb3/iwch_cm.h
View file @ 0cdf6990
......@@ -175,6 +175,7 @@ struct iwch_ep {
unsigned int atid;
u32 hwtid;
u32 snd_seq;
u32 rcv_seq;
struct l2t_entry *l2t;
struct dst_entry *dst;
struct sk_buff *mpa_skb;
......
drivers/infiniband/hw/cxgb3/iwch_provider.c
View file @ 0cdf6990
......@@ -1163,9 +1163,10 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.post_recv = iwch_post_receive;
dev->ibdev.iwcm =
(struct iw_cm_verbs *) kmalloc(sizeof(struct iw_cm_verbs),
GFP_KERNEL);
dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
if (!dev->ibdev.iwcm)
return -ENOMEM;
dev->ibdev.iwcm->connect = iwch_connect;
dev->ibdev.iwcm->accept = iwch_accept_cr;
dev->ibdev.iwcm->reject = iwch_reject_cr;
......
drivers/infiniband/hw/cxgb3/iwch_qp.c
View file @ 0cdf6990
......@@ -628,9 +628,9 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
/* immediate data starts here. */
term = (struct terminate_message *)wqe->send.sgl;
build_term_codes(rsp_msg, &term->layer_etype, &term->ecode);
build_fw_riwrh((void *)wqe, T3_WR_SEND,
T3_COMPLETION_FLAG | T3_NOTIFY_FLAG, 1,
qhp->ep->hwtid, 5);
wqe->send.wrh.op_seop_flags = cpu_to_be32(V_FW_RIWR_OP(T3_WR_SEND) |
V_FW_RIWR_FLAGS(T3_COMPLETION_FLAG | T3_NOTIFY_FLAG));
wqe->send.wrh.gen_tid_len = cpu_to_be32(V_FW_RIWR_TID(qhp->ep->hwtid));
skb->priority = CPL_PRIORITY_DATA;
return cxgb3_ofld_send(qhp->rhp->rdev.t3cdev_p, skb);
}
......@@ -732,6 +732,7 @@ static int rdma_init(struct iwch_dev *rhp, struct iwch_qp *qhp,
init_attr.qp_dma_addr = qhp->wq.dma_addr;
init_attr.qp_dma_size = (1UL << qhp->wq.size_log2);
init_attr.flags = rqes_posted(qhp) ? RECVS_POSTED : 0;
init_attr.irs = qhp->ep->rcv_seq;
PDBG("%s init_attr.rq_addr 0x%x init_attr.rq_size = %d "
"flags 0x%x qpcaps 0x%x\n", __FUNCTION__,
init_attr.rq_addr, init_attr.rq_size,
......
drivers/infiniband/hw/ehca/Kconfig
View file @ 0cdf6990
config INFINIBAND_EHCA
tristate "eHCA support"
depends on IBMEBUS && INFINIBAND
depends on IBMEBUS
---help---
This driver supports the IBM pSeries eHCA InfiniBand adapter.
......
drivers/infiniband/hw/ehca/ehca_av.c
View file @ 0cdf6990
......@@ -118,7 +118,7 @@ struct ib_ah *ehca_create_ah(struct ib_pd *pd, struct ib_ah_attr *ah_attr)
}
memcpy(&av->av.grh.word_1, &gid, sizeof(gid));
}
av->av.pmtu = EHCA_MAX_MTU;
av->av.pmtu = shca->max_mtu;
/* dgid comes in grh.word_3 */
memcpy(&av->av.grh.word_3, &ah_attr->grh.dgid,
......@@ -137,6 +137,8 @@ int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
struct ehca_av *av;
struct ehca_ud_av new_ehca_av;
struct ehca_pd *my_pd = container_of(ah->pd, struct ehca_pd, ib_pd);
struct ehca_shca *shca = container_of(ah->pd->device, struct ehca_shca,
ib_device);
u32 cur_pid = current->tgid;
if (my_pd->ib_pd.uobject && my_pd->ib_pd.uobject->context &&
......@@ -192,7 +194,7 @@ int ehca_modify_ah(struct ib_ah *ah, struct ib_ah_attr *ah_attr)
memcpy(&new_ehca_av.grh.word_1, &gid, sizeof(gid));
}
new_ehca_av.pmtu = EHCA_MAX_MTU;
new_ehca_av.pmtu = shca->max_mtu;
memcpy(&new_ehca_av.grh.word_3, &ah_attr->grh.dgid,
sizeof(ah_attr->grh.dgid));
......
drivers/infiniband/hw/ehca/ehca_classes.h
View file @ 0cdf6990
......@@ -5,6 +5,7 @@
*
* Authors: Heiko J Schick <schickhj@de.ibm.com>
* Christoph Raisch <raisch@de.ibm.com>
* Joachim Fenkes <fenkes@de.ibm.com>
*
* Copyright (c) 2005 IBM Corporation
*
......@@ -86,11 +87,17 @@ struct ehca_eq {
struct ehca_eqe_cache_entry eqe_cache[EHCA_EQE_CACHE_SIZE];
};
struct ehca_sma_attr {
u16 lid, lmc, sm_sl, sm_lid;
u16 pkey_tbl_len, pkeys[16];
};
struct ehca_sport {
struct ib_cq *ibcq_aqp1;
struct ib_qp *ibqp_aqp1;
enum ib_rate rate;
enum ib_port_state port_state;
struct ehca_sma_attr saved_attr;
};
struct ehca_shca {
......@@ -107,6 +114,8 @@ struct ehca_shca {
struct ehca_pd *pd;
struct h_galpas galpas;
struct mutex modify_mutex;
u64 hca_cap;
int max_mtu;
};
struct ehca_pd {
......@@ -115,9 +124,20 @@ struct ehca_pd {
u32 ownpid;
};
enum ehca_ext_qp_type {
EQPT_NORMAL = 0,
EQPT_LLQP = 1,
EQPT_SRQBASE = 2,
EQPT_SRQ = 3,
};
struct ehca_qp {
struct ib_qp ib_qp;
union {
struct ib_qp ib_qp;
struct ib_srq ib_srq;
};
u32 qp_type;
enum ehca_ext_qp_type ext_type;
struct ipz_queue ipz_squeue;
struct ipz_queue ipz_rqueue;
struct h_galpas galpas;
......@@ -140,6 +160,10 @@ struct ehca_qp {
u32 mm_count_galpa;
};
#define IS_SRQ(qp) (qp->ext_type == EQPT_SRQ)
#define HAS_SQ(qp) (qp->ext_type != EQPT_SRQ)
#define HAS_RQ(qp) (qp->ext_type != EQPT_SRQBASE)
/* must be power of 2 */
#define QP_HASHTAB_LEN 8
......@@ -156,8 +180,8 @@ struct ehca_cq {
spinlock_t cb_lock;
struct hlist_head qp_hashtab[QP_HASHTAB_LEN];
struct list_head entry;
u32 nr_callbacks; /* #events assigned to cpu by scaling code */
u32 nr_events; /* #events seen */
u32 nr_callbacks; /* #events assigned to cpu by scaling code */
atomic_t nr_events; /* #events seen */
wait_queue_head_t wait_completion;
spinlock_t task_lock;
u32 ownpid;
......@@ -275,9 +299,8 @@ void ehca_cleanup_av_cache(void);
int ehca_init_mrmw_cache(void);
void ehca_cleanup_mrmw_cache(void);
extern spinlock_t ehca_qp_idr_lock;
extern spinlock_t ehca_cq_idr_lock;
extern spinlock_t hcall_lock;
extern rwlock_t ehca_qp_idr_lock;
extern rwlock_t ehca_cq_idr_lock;
extern struct idr ehca_qp_idr;
extern struct idr ehca_cq_idr;
......@@ -305,6 +328,7 @@ struct ehca_create_qp_resp {
u32 qp_num;
u32 token;
u32 qp_type;
u32 ext_type;
u32 qkey;
/* qp_num assigned by ehca: sqp0/1 may have got different numbers */
u32 real_qp_num;
......@@ -320,14 +344,42 @@ struct ehca_alloc_cq_parms {
struct ipz_eq_handle eq_handle;
};
enum ehca_service_type {
ST_RC = 0,
ST_UC = 1,
ST_RD = 2,
ST_UD = 3,
};
enum ehca_ll_comp_flags {
LLQP_SEND_COMP = 0x20,
LLQP_RECV_COMP = 0x40,
LLQP_COMP_MASK = 0x60,
};
struct ehca_alloc_qp_parms {
int servicetype;
/* input parameters */
enum ehca_service_type servicetype;
int sigtype;
int daqp_ctrl;
int max_send_sge;
int max_recv_sge;
enum ehca_ext_qp_type ext_type;
enum ehca_ll_comp_flags ll_comp_flags;
int max_send_wr, max_recv_wr;
int max_send_sge, max_recv_sge;
int ud_av_l_key_ctl;
u32 token;
struct ipz_eq_handle eq_handle;
struct ipz_pd pd;
struct ipz_cq_handle send_cq_handle, recv_cq_handle;
u32 srq_qpn, srq_token, srq_limit;
/* output parameters */
u32 real_qp_num;
struct ipz_qp_handle qp_handle;
struct h_galpas galpas;
u16 act_nr_send_wqes;
u16 act_nr_recv_wqes;
u8 act_nr_recv_sges;
......@@ -335,9 +387,6 @@ struct ehca_alloc_qp_parms {
u32 nr_rq_pages;
u32 nr_sq_pages;
struct ipz_eq_handle ipz_eq_handle;
struct ipz_pd pd;
};
int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp);
......
drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
View file @ 0cdf6990
......@@ -228,8 +228,8 @@ struct hcp_modify_qp_control_block {
#define MQPCB_QP_NUMBER EHCA_BMASK_IBM(8,31)
#define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48,48)
#define MQPCB_QP_ENABLE EHCA_BMASK_IBM(31,31)
#define MQPCB_MASK_CURR_SQR_LIMIT EHCA_BMASK_IBM(49,49)
#define MQPCB_CURR_SQR_LIMIT EHCA_BMASK_IBM(15,31)
#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49,49)
#define MQPCB_CURR_SRQ_LIMIT EHCA_BMASK_IBM(16,31)
#define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50,50)
#define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51,51)
......
drivers/infiniband/hw/ehca/ehca_cq.c
View file @ 0cdf6990
......@@ -56,11 +56,11 @@ int ehca_cq_assign_qp(struct ehca_cq *cq, struct ehca_qp *qp)
{
unsigned int qp_num = qp->real_qp_num;
unsigned int key = qp_num & (QP_HASHTAB_LEN-1);
unsigned long spl_flags;
unsigned long flags;
spin_lock_irqsave(&cq->spinlock, spl_flags);
spin_lock_irqsave(&cq->spinlock, flags);
hlist_add_head(&qp->list_entries, &cq->qp_hashtab[key]);
spin_unlock_irqrestore(&cq->spinlock, spl_flags);
spin_unlock_irqrestore(&cq->spinlock, flags);
ehca_dbg(cq->ib_cq.device, "cq_num=%x real_qp_num=%x",
cq->cq_number, qp_num);
......@@ -74,9 +74,9 @@ int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int real_qp_num)
unsigned int key = real_qp_num & (QP_HASHTAB_LEN-1);
struct hlist_node *iter;
struct ehca_qp *qp;
unsigned long spl_flags;
unsigned long flags;
spin_lock_irqsave(&cq->spinlock, spl_flags);
spin_lock_irqsave(&cq->spinlock, flags);
hlist_for_each(iter, &cq->qp_hashtab[key]) {
qp = hlist_entry(iter, struct ehca_qp, list_entries);
if (qp->real_qp_num == real_qp_num) {
......@@ -88,7 +88,7 @@ int ehca_cq_unassign_qp(struct ehca_cq *cq, unsigned int real_qp_num)
break;
}
}
spin_unlock_irqrestore(&cq->spinlock, spl_flags);
spin_unlock_irqrestore(&cq->spinlock, flags);
if (ret)
ehca_err(cq->ib_cq.device,
"qp not found cq_num=%x real_qp_num=%x",
......@@ -146,6 +146,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
spin_lock_init(&my_cq->spinlock);
spin_lock_init(&my_cq->cb_lock);
spin_lock_init(&my_cq->task_lock);
atomic_set(&my_cq->nr_events, 0);
init_waitqueue_head(&my_cq->wait_completion);
my_cq->ownpid = current->tgid;
......@@ -162,9 +163,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
goto create_cq_exit1;
}
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
write_lock_irqsave(&ehca_cq_idr_lock, flags);
ret = idr_get_new(&ehca_cq_idr, my_cq, &my_cq->token);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
} while (ret == -EAGAIN);
......@@ -293,9 +294,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
"cq_num=%x h_ret=%lx", my_cq, my_cq->cq_number, h_ret);
create_cq_exit2:
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
write_lock_irqsave(&ehca_cq_idr_lock, flags);
idr_remove(&ehca_cq_idr, my_cq->token);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
create_cq_exit1:
kmem_cache_free(cq_cache, my_cq);
......@@ -303,16 +304,6 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
return cq;
}
static int get_cq_nr_events(struct ehca_cq *my_cq)
{
int ret;
unsigned long flags;
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
ret = my_cq->nr_events;
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
return ret;
}
int ehca_destroy_cq(struct ib_cq *cq)
{
u64 h_ret;
......@@ -339,17 +330,18 @@ int ehca_destroy_cq(struct ib_cq *cq)
}
}
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
while (my_cq->nr_events) {
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
wait_event(my_cq->wait_completion, !get_cq_nr_events(my_cq));
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
/* recheck nr_events to assure no cqe has just arrived */
}
/*
* remove the CQ from the idr first to make sure
* no more interrupt tasklets will touch this CQ
*/
write_lock_irqsave(&ehca_cq_idr_lock, flags);
idr_remove(&ehca_cq_idr, my_cq->token);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
write_unlock_irqrestore(&ehca_cq_idr_lock, flags);
/* now wait until all pending events have completed */
wait_event(my_cq->wait_completion, !atomic_read(&my_cq->nr_events));
/* nobody's using our CQ any longer -- we can destroy it */
h_ret = hipz_h_destroy_cq(adapter_handle, my_cq, 0);
if (h_ret == H_R_STATE) {
/* cq in err: read err data and destroy it forcibly */
......
drivers/infiniband/hw/ehca/ehca_hca.c
View file @ 0cdf6990
......@@ -45,11 +45,25 @@
int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
{
int ret = 0;
int i, ret = 0;
struct ehca_shca *shca = container_of(ibdev, struct ehca_shca,
ib_device);
struct hipz_query_hca *rblock;
static const u32 cap_mapping[] = {
IB_DEVICE_RESIZE_MAX_WR, HCA_CAP_WQE_RESIZE,
IB_DEVICE_BAD_PKEY_CNTR, HCA_CAP_BAD_P_KEY_CTR,
IB_DEVICE_BAD_QKEY_CNTR, HCA_CAP_Q_KEY_VIOL_CTR,
IB_DEVICE_RAW_MULTI, HCA_CAP_RAW_PACKET_MCAST,
IB_DEVICE_AUTO_PATH_MIG, HCA_CAP_AUTO_PATH_MIG,
IB_DEVICE_CHANGE_PHY_PORT, HCA_CAP_SQD_RTS_PORT_CHANGE,
IB_DEVICE_UD_AV_PORT_ENFORCE, HCA_CAP_AH_PORT_NR_CHECK,
IB_DEVICE_CURR_QP_STATE_MOD, HCA_CAP_CUR_QP_STATE_MOD,
IB_DEVICE_SHUTDOWN_PORT, HCA_CAP_SHUTDOWN_PORT,
IB_DEVICE_INIT_TYPE, HCA_CAP_INIT_TYPE,
IB_DEVICE_PORT_ACTIVE_EVENT, HCA_CAP_PORT_ACTIVE_EVENT,
};
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
......@@ -96,6 +110,13 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
props->max_total_mcast_qp_attach
= min_t(int, rblock->max_total_mcast_qp_attach, INT_MAX);
/* translate device capabilities */
props->device_cap_flags = IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_RC_RNR_NAK_GEN | IB_DEVICE_N_NOTIFY_CQ;
for (i = 0; i < ARRAY_SIZE(cap_mapping); i += 2)
if (rblock->hca_cap_indicators & cap_mapping[i + 1])
props->device_cap_flags |= cap_mapping[i];
query_device1:
ehca_free_fw_ctrlblock(rblock);
......@@ -172,6 +193,40 @@ int ehca_query_port(struct ib_device *ibdev,
return ret;
}
int ehca_query_sma_attr(struct ehca_shca *shca,
u8 port, struct ehca_sma_attr *attr)
{
int ret = 0;
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
}
if (hipz_h_query_port(shca->ipz_hca_handle, port, rblock) != H_SUCCESS) {
ehca_err(&shca->ib_device, "Can't query port properties");
ret = -EINVAL;
goto query_sma_attr1;
}
memset(attr, 0, sizeof(struct ehca_sma_attr));
attr->lid = rblock->lid;
attr->lmc = rblock->lmc;
attr->sm_sl = rblock->sm_sl;
attr->sm_lid = rblock->sm_lid;
attr->pkey_tbl_len = rblock->pkey_tbl_len;
memcpy(attr->pkeys, rblock->pkey_entries, sizeof(attr->pkeys));
query_sma_attr1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
{
int ret = 0;
......@@ -261,7 +316,7 @@ int ehca_modify_port(struct ib_device *ibdev,
}
if (mutex_lock_interruptible(&shca->modify_mutex))
return -ERESTARTSYS;
return -ERESTARTSYS;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
......@@ -290,7 +345,7 @@ int ehca_modify_port(struct ib_device *ibdev,
ehca_free_fw_ctrlblock(rblock);
modify_port1:
mutex_unlock(&shca->modify_mutex);
mutex_unlock(&shca->modify_mutex);
return ret;
}
drivers/infiniband/hw/ehca/ehca_irq.c
View file @ 0cdf6990
......@@ -5,6 +5,8 @@
*
* Authors: Heiko J Schick <schickhj@de.ibm.com>
* Khadija Souissi <souissi@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Joachim Fenkes <fenkes@de.ibm.com>
*
* Copyright (c) 2005 IBM Corporation
*
......@@ -59,6 +61,7 @@
#define NEQE_EVENT_CODE EHCA_BMASK_IBM(2,7)
#define NEQE_PORT_NUMBER EHCA_BMASK_IBM(8,15)
#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16,16)
#define NEQE_DISRUPTIVE EHCA_BMASK_IBM(16,16)
#define ERROR_DATA_LENGTH EHCA_BMASK_IBM(52,63)
#define ERROR_DATA_TYPE EHCA_BMASK_IBM(0,7)
......@@ -178,12 +181,11 @@ static void qp_event_callback(struct ehca_shca *shca,
{
struct ib_event event;
struct ehca_qp *qp;
unsigned long flags;
u32 token = EHCA_BMASK_GET(EQE_QP_TOKEN, eqe);
spin_lock_irqsave(&ehca_qp_idr_lock, flags);
read_lock(&ehca_qp_idr_lock);
qp = idr_find(&ehca_qp_idr, token);
spin_unlock_irqrestore(&ehca_qp_idr_lock, flags);
read_unlock(&ehca_qp_idr_lock);
if (!qp)
......@@ -207,18 +209,22 @@ static void cq_event_callback(struct ehca_shca *shca,
u64 eqe)
{
struct ehca_cq *cq;
unsigned long flags;
u32 token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
read_lock(&ehca_cq_idr_lock);
cq = idr_find(&ehca_cq_idr, token);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
if (cq)
atomic_inc(&cq->nr_events);
read_unlock(&ehca_cq_idr_lock);
if (!cq)
return;
ehca_error_data(shca, cq, cq->ipz_cq_handle.handle);
if (atomic_dec_and_test(&cq->nr_events))
wake_up(&cq->wait_completion);
return;
}
......@@ -281,30 +287,61 @@ static void parse_identifier(struct ehca_shca *shca, u64 eqe)
return;
}
static void parse_ec(struct ehca_shca *shca, u64 eqe)
static void dispatch_port_event(struct ehca_shca *shca, int port_num,
enum ib_event_type type, const char *msg)
{
struct ib_event event;
ehca_info(&shca->ib_device, "port %d %s.", port_num, msg);
event.device = &shca->ib_device;
event.event = type;
event.element.port_num = port_num;
ib_dispatch_event(&event);
}
static void notify_port_conf_change(struct ehca_shca *shca, int port_num)
{
struct ehca_sma_attr new_attr;
struct ehca_sma_attr *old_attr = &shca->sport[port_num - 1].saved_attr;
ehca_query_sma_attr(shca, port_num, &new_attr);
if (new_attr.sm_sl != old_attr->sm_sl ||
new_attr.sm_lid != old_attr->sm_lid)
dispatch_port_event(shca, port_num, IB_EVENT_SM_CHANGE,
"SM changed");
if (new_attr.lid != old_attr->lid ||
new_attr.lmc != old_attr->lmc)
dispatch_port_event(shca, port_num, IB_EVENT_LID_CHANGE,
"LID changed");
if (new_attr.pkey_tbl_len != old_attr->pkey_tbl_len ||
memcmp(new_attr.pkeys, old_attr->pkeys,
sizeof(u16) * new_attr.pkey_tbl_len))
dispatch_port_event(shca, port_num, IB_EVENT_PKEY_CHANGE,
"P_Key changed");
*old_attr = new_attr;
}
static void parse_ec(struct ehca_shca *shca, u64 eqe)
{
u8 ec = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);
u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);
switch (ec) {
case 0x30: /* port availability change */
if (EHCA_BMASK_GET(NEQE_PORT_AVAILABILITY, eqe)) {
ehca_info(&shca->ib_device,
"port %x is active.", port);
event.device = &shca->ib_device;
event.event = IB_EVENT_PORT_ACTIVE;
event.element.port_num = port;
shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
ib_dispatch_event(&event);
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
ehca_query_sma_attr(shca, port,
&shca->sport[port - 1].saved_attr);
} else {
ehca_info(&shca->ib_device,
"port %x is inactive.", port);
event.device = &shca->ib_device;
event.event = IB_EVENT_PORT_ERR;
event.element.port_num = port;
shca->sport[port - 1].port_state = IB_PORT_DOWN;
ib_dispatch_event(&event);
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
}
break;
case 0x31:
......@@ -312,24 +349,19 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe)
* disruptive change is caused by
* LID, PKEY or SM change
*/
ehca_warn(&shca->ib_device,
"disruptive port %x configuration change", port);
ehca_info(&shca->ib_device,
"port %x is inactive.", port);
event.device = &shca->ib_device;
event.event = IB_EVENT_PORT_ERR;
event.element.port_num = port;
shca->sport[port - 1].port_state = IB_PORT_DOWN;
ib_dispatch_event(&event);
ehca_info(&shca->ib_device,
"port %x is active.", port);
event.device = &shca->ib_device;
event.event = IB_EVENT_PORT_ACTIVE;
event.element.port_num = port;
shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
ib_dispatch_event(&event);
if (EHCA_BMASK_GET(NEQE_DISRUPTIVE, eqe)) {
ehca_warn(&shca->ib_device, "disruptive port "
"%d configuration change", port);
shca->sport[port - 1].port_state = IB_PORT_DOWN;
dispatch_port_event(shca, port, IB_EVENT_PORT_ERR,
"is inactive");
shca->sport[port - 1].port_state = IB_PORT_ACTIVE;
dispatch_port_event(shca, port, IB_EVENT_PORT_ACTIVE,
"is active");
} else
notify_port_conf_change(shca, port);
break;
case 0x32: /* adapter malfunction */
ehca_err(&shca->ib_device, "Adapter malfunction.");
......@@ -404,7 +436,6 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe)
{
u64 eqe_value;
u32 token;
unsigned long flags;
struct ehca_cq *cq;
eqe_value = eqe->entry;
......@@ -412,27 +443,24 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe)
if (EHCA_BMASK_GET(EQE_COMPLETION_EVENT, eqe_value)) {
ehca_dbg(&shca->ib_device, "Got completion event");
token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe_value);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
read_lock(&ehca_cq_idr_lock);
cq = idr_find(&ehca_cq_idr, token);
if (cq)
atomic_inc(&cq->nr_events);
read_unlock(&ehca_cq_idr_lock);
if (cq == NULL) {
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
ehca_err(&shca->ib_device,
"Invalid eqe for non-existing cq token=%x",
token);
return;
}
reset_eq_pending(cq);
cq->nr_events++;
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
if (ehca_scaling_code)
queue_comp_task(cq);
else {
comp_event_callback(cq);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
cq->nr_events--;
if (!cq->nr_events)
if (atomic_dec_and_test(&cq->nr_events))
wake_up(&cq->wait_completion);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
}
} else {
ehca_dbg(&shca->ib_device, "Got non completion event");
......@@ -476,17 +504,17 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
eqe_value = eqe_cache[eqe_cnt].eqe->entry;
if (EHCA_BMASK_GET(EQE_COMPLETION_EVENT, eqe_value)) {
token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe_value);
spin_lock(&ehca_cq_idr_lock);
read_lock(&ehca_cq_idr_lock);
eqe_cache[eqe_cnt].cq = idr_find(&ehca_cq_idr, token);
if (eqe_cache[eqe_cnt].cq)
atomic_inc(&eqe_cache[eqe_cnt].cq->nr_events);
read_unlock(&ehca_cq_idr_lock);
if (!eqe_cache[eqe_cnt].cq) {
spin_unlock(&ehca_cq_idr_lock);
ehca_err(&shca->ib_device,
"Invalid eqe for non-existing cq "
"token=%x", token);
continue;
}
eqe_cache[eqe_cnt].cq->nr_events++;
spin_unlock(&ehca_cq_idr_lock);
} else
eqe_cache[eqe_cnt].cq = NULL;
eqe_cnt++;
......@@ -517,11 +545,8 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
else {
struct ehca_cq *cq = eq->eqe_cache[i].cq;
comp_event_callback(cq);
spin_lock(&ehca_cq_idr_lock);
cq->nr_events--;
if (!cq->nr_events)
if (atomic_dec_and_test(&cq->nr_events))
wake_up(&cq->wait_completion);
spin_unlock(&ehca_cq_idr_lock);
}
} else {
ehca_dbg(&shca->ib_device, "Got non completion event");
......@@ -621,13 +646,10 @@ static void run_comp_task(struct ehca_cpu_comp_task* cct)
while (!list_empty(&cct->cq_list)) {
cq = list_entry(cct->cq_list.next, struct ehca_cq, entry);
spin_unlock_irqrestore(&cct->task_lock, flags);
comp_event_callback(cq);
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
cq->nr_events--;
if (!cq->nr_events)
comp_event_callback(cq);
if (atomic_dec_and_test(&cq->nr_events))
wake_up(&cq->wait_completion);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
spin_lock_irqsave(&cct->task_lock, flags);
spin_lock(&cq->task_lock);
......
drivers/infiniband/hw/ehca/ehca_irq.h
View file @ 0cdf6990
......@@ -47,7 +47,6 @@ struct ehca_shca;
#include <linux/interrupt.h>
#include <linux/types.h>
#include <asm/atomic.h>
int ehca_error_data(struct ehca_shca *shca, void *data, u64 resource);
......
drivers/infiniband/hw/ehca/ehca_iverbs.h
View file @ 0cdf6990
......@@ -49,6 +49,9 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props);
int ehca_query_port(struct ib_device *ibdev, u8 port,
struct ib_port_attr *props);
int ehca_query_sma_attr(struct ehca_shca *shca, u8 port,
struct ehca_sma_attr *attr);
int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 * pkey);
int ehca_query_gid(struct ib_device *ibdev, u8 port, int index,
......@@ -154,6 +157,21 @@ int ehca_post_send(struct ib_qp *qp, struct ib_send_wr *send_wr,
int ehca_post_recv(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
int ehca_post_srq_recv(struct ib_srq *srq,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr);
struct ib_srq *ehca_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata);
int ehca_modify_srq(struct ib_srq *srq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int ehca_destroy_srq(struct ib_srq *srq);
u64 ehca_define_sqp(struct ehca_shca *shca, struct ehca_qp *ibqp,
struct ib_qp_init_attr *qp_init_attr);
......
drivers/infiniband/hw/ehca/ehca_main.c
View file @ 0cdf6990
......@@ -94,17 +94,15 @@ MODULE_PARM_DESC(poll_all_eqs,
MODULE_PARM_DESC(static_rate,
"set permanent static rate (default: disabled)");
MODULE_PARM_DESC(scaling_code,
"set scaling code (0: disabled, 1: enabled/default)");
"set scaling code (0: disabled/default, 1: enabled)");
spinlock_t ehca_qp_idr_lock;
spinlock_t ehca_cq_idr_lock;
spinlock_t hcall_lock;
DEFINE_RWLOCK(ehca_qp_idr_lock);
DEFINE_RWLOCK(ehca_cq_idr_lock);
DEFINE_IDR(ehca_qp_idr);
DEFINE_IDR(ehca_cq_idr);
static struct list_head shca_list; /* list of all registered ehcas */
static spinlock_t shca_list_lock;
static LIST_HEAD(shca_list); /* list of all registered ehcas */
static DEFINE_SPINLOCK(shca_list_lock);
static struct timer_list poll_eqs_timer;
......@@ -205,11 +203,35 @@ static void ehca_destroy_slab_caches(void)
#define EHCA_HCAAVER EHCA_BMASK_IBM(32,39)
#define EHCA_REVID EHCA_BMASK_IBM(40,63)
static struct cap_descr {
u64 mask;
char *descr;
} hca_cap_descr[] = {
{ HCA_CAP_AH_PORT_NR_CHECK, "HCA_CAP_AH_PORT_NR_CHECK" },
{ HCA_CAP_ATOMIC, "HCA_CAP_ATOMIC" },
{ HCA_CAP_AUTO_PATH_MIG, "HCA_CAP_AUTO_PATH_MIG" },
{ HCA_CAP_BAD_P_KEY_CTR, "HCA_CAP_BAD_P_KEY_CTR" },
{ HCA_CAP_SQD_RTS_PORT_CHANGE, "HCA_CAP_SQD_RTS_PORT_CHANGE" },
{ HCA_CAP_CUR_QP_STATE_MOD, "HCA_CAP_CUR_QP_STATE_MOD" },
{ HCA_CAP_INIT_TYPE, "HCA_CAP_INIT_TYPE" },
{ HCA_CAP_PORT_ACTIVE_EVENT, "HCA_CAP_PORT_ACTIVE_EVENT" },
{ HCA_CAP_Q_KEY_VIOL_CTR, "HCA_CAP_Q_KEY_VIOL_CTR" },
{ HCA_CAP_WQE_RESIZE, "HCA_CAP_WQE_RESIZE" },
{ HCA_CAP_RAW_PACKET_MCAST, "HCA_CAP_RAW_PACKET_MCAST" },
{ HCA_CAP_SHUTDOWN_PORT, "HCA_CAP_SHUTDOWN_PORT" },
{ HCA_CAP_RC_LL_QP, "HCA_CAP_RC_LL_QP" },
{ HCA_CAP_SRQ, "HCA_CAP_SRQ" },
{ HCA_CAP_UD_LL_QP, "HCA_CAP_UD_LL_QP" },
{ HCA_CAP_RESIZE_MR, "HCA_CAP_RESIZE_MR" },
{ HCA_CAP_MINI_QP, "HCA_CAP_MINI_QP" },
};
int ehca_sense_attributes(struct ehca_shca *shca)
{
int ret = 0;
int i, ret = 0;
u64 h_ret;
struct hipz_query_hca *rblock;
struct hipz_query_port *port;
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
......@@ -222,7 +244,7 @@ int ehca_sense_attributes(struct ehca_shca *shca)
ehca_gen_err("Cannot query device properties. h_ret=%lx",
h_ret);
ret = -EPERM;
goto num_ports1;
goto sense_attributes1;
}
if (ehca_nr_ports == 1)
......@@ -242,18 +264,44 @@ int ehca_sense_attributes(struct ehca_shca *shca)
ehca_gen_dbg(" ... hardware version=%x:%x", hcaaver, revid);
if ((hcaaver == 1) && (revid == 0))
shca->hw_level = 0;
shca->hw_level = 0x11;
else if ((hcaaver == 1) && (revid == 1))
shca->hw_level = 1;
shca->hw_level = 0x12;
else if ((hcaaver == 1) && (revid == 2))
shca->hw_level = 2;
shca->hw_level = 0x13;
else if ((hcaaver == 2) && (revid == 0))
shca->hw_level = 0x21;
else if ((hcaaver == 2) && (revid == 0x10))
shca->hw_level = 0x22;
else {
ehca_gen_warn("unknown hardware version"
" - assuming default level");
shca->hw_level = 0x22;
}
}
ehca_gen_dbg(" ... hardware level=%x", shca->hw_level);
shca->sport[0].rate = IB_RATE_30_GBPS;
shca->sport[1].rate = IB_RATE_30_GBPS;
num_ports1:
shca->hca_cap = rblock->hca_cap_indicators;
ehca_gen_dbg(" ... HCA capabilities:");
for (i = 0; i < ARRAY_SIZE(hca_cap_descr); i++)
if (EHCA_BMASK_GET(hca_cap_descr[i].mask, shca->hca_cap))
ehca_gen_dbg(" %s", hca_cap_descr[i].descr);
port = (struct hipz_query_port *) rblock;
h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port);
if (h_ret != H_SUCCESS) {
ehca_gen_err("Cannot query port properties. h_ret=%lx",
h_ret);
ret = -EPERM;
goto sense_attributes1;
}
shca->max_mtu = port->max_mtu;
sense_attributes1:
ehca_free_fw_ctrlblock(rblock);
return ret;
}
......@@ -293,7 +341,7 @@ int ehca_init_device(struct ehca_shca *shca)
strlcpy(shca->ib_device.name, "ehca%d", IB_DEVICE_NAME_MAX);
shca->ib_device.owner = THIS_MODULE;
shca->ib_device.uverbs_abi_ver = 6;
shca->ib_device.uverbs_abi_ver = 7;
shca->ib_device.uverbs_cmd_mask =
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
......@@ -361,6 +409,20 @@ int ehca_init_device(struct ehca_shca *shca)
/* shca->ib_device.process_mad = ehca_process_mad; */
shca->ib_device.mmap = ehca_mmap;
if (EHCA_BMASK_GET(HCA_CAP_SRQ, shca->hca_cap)) {
shca->ib_device.uverbs_cmd_mask |=
(1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
(1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
(1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
shca->ib_device.create_srq = ehca_create_srq;
shca->ib_device.modify_srq = ehca_modify_srq;
shca->ib_device.query_srq = ehca_query_srq;
shca->ib_device.destroy_srq = ehca_destroy_srq;
shca->ib_device.post_srq_recv = ehca_post_srq_recv;
}
return ret;
}
......@@ -800,14 +862,6 @@ int __init ehca_module_init(void)
printk(KERN_INFO "eHCA Infiniband Device Driver "
"(Rel.: SVNEHCA_0023)\n");
idr_init(&ehca_qp_idr);
idr_init(&ehca_cq_idr);
spin_lock_init(&ehca_qp_idr_lock);
spin_lock_init(&ehca_cq_idr_lock);
spin_lock_init(&hcall_lock);
INIT_LIST_HEAD(&shca_list);
spin_lock_init(&shca_list_lock);
if ((ret = ehca_create_comp_pool())) {
ehca_gen_err("Cannot create comp pool.");
......
drivers/infiniband/hw/ehca/ehca_qp.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ehca/ehca_reqs.c
View file @ 0cdf6990
......@@ -3,8 +3,9 @@
*
* post_send/recv, poll_cq, req_notify
*
* Authors: Waleri Fomin <fomin@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Authors: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Waleri Fomin <fomin@de.ibm.com>
* Joachim Fenkes <fenkes@de.ibm.com>
* Reinhard Ernst <rernst@de.ibm.com>
*
* Copyright (c) 2005 IBM Corporation
......@@ -362,10 +363,10 @@ int ehca_post_send(struct ib_qp *qp,
struct ehca_wqe *wqe_p;
int wqe_cnt = 0;
int ret = 0;
unsigned long spl_flags;
unsigned long flags;
/* LOCK the QUEUE */
spin_lock_irqsave(&my_qp->spinlock_s, spl_flags);
spin_lock_irqsave(&my_qp->spinlock_s, flags);
/* loop processes list of send reqs */
for (cur_send_wr = send_wr; cur_send_wr != NULL;
......@@ -406,26 +407,31 @@ int ehca_post_send(struct ib_qp *qp,
} /* eof for cur_send_wr */
post_send_exit0:
/* UNLOCK the QUEUE */
spin_unlock_irqrestore(&my_qp->spinlock_s, spl_flags);
iosync(); /* serialize GAL register access */
hipz_update_sqa(my_qp, wqe_cnt);
spin_unlock_irqrestore(&my_qp->spinlock_s, flags);
return ret;
}
int ehca_post_recv(struct ib_qp *qp,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
static int internal_post_recv(struct ehca_qp *my_qp,
struct ib_device *dev,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
{
struct ehca_qp *my_qp = container_of(qp, struct ehca_qp, ib_qp);
struct ib_recv_wr *cur_recv_wr;
struct ehca_wqe *wqe_p;
int wqe_cnt = 0;
int ret = 0;
unsigned long spl_flags;
unsigned long flags;
if (unlikely(!HAS_RQ(my_qp))) {
ehca_err(dev, "QP has no RQ ehca_qp=%p qp_num=%x ext_type=%d",
my_qp, my_qp->real_qp_num, my_qp->ext_type);
return -ENODEV;
}
/* LOCK the QUEUE */
spin_lock_irqsave(&my_qp->spinlock_r, spl_flags);
spin_lock_irqsave(&my_qp->spinlock_r, flags);
/* loop processes list of send reqs */
for (cur_recv_wr = recv_wr; cur_recv_wr != NULL;
......@@ -439,8 +445,8 @@ int ehca_post_recv(struct ib_qp *qp,
*bad_recv_wr = cur_recv_wr;
if (wqe_cnt == 0) {
ret = -ENOMEM;
ehca_err(qp->device, "Too many posted WQEs "
"qp_num=%x", qp->qp_num);
ehca_err(dev, "Too many posted WQEs "
"qp_num=%x", my_qp->real_qp_num);
}
goto post_recv_exit0;
}
......@@ -455,23 +461,39 @@ int ehca_post_recv(struct ib_qp *qp,
*bad_recv_wr = cur_recv_wr;
if (wqe_cnt == 0) {
ret = -EINVAL;
ehca_err(qp->device, "Could not write WQE "
"qp_num=%x", qp->qp_num);
ehca_err(dev, "Could not write WQE "
"qp_num=%x", my_qp->real_qp_num);
}
goto post_recv_exit0;
}
wqe_cnt++;
ehca_gen_dbg("ehca_qp=%p qp_num=%x wqe_cnt=%d",
my_qp, qp->qp_num, wqe_cnt);
ehca_dbg(dev, "ehca_qp=%p qp_num=%x wqe_cnt=%d",
my_qp, my_qp->real_qp_num, wqe_cnt);
} /* eof for cur_recv_wr */
post_recv_exit0:
spin_unlock_irqrestore(&my_qp->spinlock_r, spl_flags);
iosync(); /* serialize GAL register access */
hipz_update_rqa(my_qp, wqe_cnt);
spin_unlock_irqrestore(&my_qp->spinlock_r, flags);
return ret;
}
int ehca_post_recv(struct ib_qp *qp,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
{
return internal_post_recv(container_of(qp, struct ehca_qp, ib_qp),
qp->device, recv_wr, bad_recv_wr);
}
int ehca_post_srq_recv(struct ib_srq *srq,
struct ib_recv_wr *recv_wr,
struct ib_recv_wr **bad_recv_wr)
{
return internal_post_recv(container_of(srq, struct ehca_qp, ib_srq),
srq->device, recv_wr, bad_recv_wr);
}
/*
* ib_wc_opcode table converts ehca wc opcode to ib
* Since we use zero to indicate invalid opcode, the actual ib opcode must
......@@ -494,6 +516,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
int ret = 0;
struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
struct ehca_cqe *cqe;
struct ehca_qp *my_qp;
int cqe_count = 0;
poll_cq_one_read_cqe:
......@@ -513,7 +536,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
if (unlikely(cqe->status & WC_STATUS_PURGE_BIT)) {
struct ehca_qp *qp=ehca_cq_get_qp(my_cq, cqe->local_qp_number);
int purgeflag;
unsigned long spl_flags;
unsigned long flags;
if (!qp) {
ehca_err(cq->device, "cq_num=%x qp_num=%x "
"could not find qp -> ignore cqe",
......@@ -523,9 +546,9 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
/* ignore this purged cqe */
goto poll_cq_one_read_cqe;
}
spin_lock_irqsave(&qp->spinlock_s, spl_flags);
spin_lock_irqsave(&qp->spinlock_s, flags);
purgeflag = qp->sqerr_purgeflag;
spin_unlock_irqrestore(&qp->spinlock_s, spl_flags);
spin_unlock_irqrestore(&qp->spinlock_s, flags);
if (purgeflag) {
ehca_dbg(cq->device, "Got CQE with purged bit qp_num=%x "
......@@ -545,7 +568,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
}
/* tracing cqe */
if (ehca_debug_level) {
if (unlikely(ehca_debug_level)) {
ehca_dbg(cq->device,
"Received COMPLETION ehca_cq=%p cq_num=%x -----",
my_cq, my_cq->cq_number);
......@@ -579,7 +602,11 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
} else
wc->status = IB_WC_SUCCESS;
wc->qp = NULL;
read_lock(&ehca_qp_idr_lock);
my_qp = idr_find(&ehca_qp_idr, cqe->qp_token);
wc->qp = &my_qp->ib_qp;
read_unlock(&ehca_qp_idr_lock);
wc->byte_len = cqe->nr_bytes_transferred;
wc->pkey_index = cqe->pkey_index;
wc->slid = cqe->rlid;
......@@ -589,7 +616,7 @@ static inline int ehca_poll_cq_one(struct ib_cq *cq, struct ib_wc *wc)
wc->imm_data = cpu_to_be32(cqe->immediate_data);
wc->sl = cqe->service_level;
if (wc->status != IB_WC_SUCCESS)
if (unlikely(wc->status != IB_WC_SUCCESS))
ehca_dbg(cq->device,
"ehca_cq=%p cq_num=%x WARNING unsuccessful cqe "
"OPType=%x status=%x qp_num=%x src_qp=%x wr_id=%lx "
......@@ -610,7 +637,7 @@ int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc)
int nr;
struct ib_wc *current_wc = wc;
int ret = 0;
unsigned long spl_flags;
unsigned long flags;
if (num_entries < 1) {
ehca_err(cq->device, "Invalid num_entries=%d ehca_cq=%p "
......@@ -619,14 +646,14 @@ int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc)
goto poll_cq_exit0;
}
spin_lock_irqsave(&my_cq->spinlock, spl_flags);
spin_lock_irqsave(&my_cq->spinlock, flags);
for (nr = 0; nr < num_entries; nr++) {
ret = ehca_poll_cq_one(cq, current_wc);
if (ret)
break;
current_wc++;
} /* eof for nr */
spin_unlock_irqrestore(&my_cq->spinlock, spl_flags);
spin_unlock_irqrestore(&my_cq->spinlock, flags);
if (ret == -EAGAIN || !ret)
ret = nr;
......@@ -637,7 +664,6 @@ int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc)
int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags)
{
struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
unsigned long spl_flags;
int ret = 0;
switch (notify_flags & IB_CQ_SOLICITED_MASK) {
......@@ -652,6 +678,7 @@ int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags)
}
if (notify_flags & IB_CQ_REPORT_MISSED_EVENTS) {
unsigned long spl_flags;
spin_lock_irqsave(&my_cq->spinlock, spl_flags);
ret = ipz_qeit_is_valid(&my_cq->ipz_queue);
spin_unlock_irqrestore(&my_cq->spinlock, spl_flags);
......
drivers/infiniband/hw/ehca/ehca_tools.h
View file @ 0cdf6990
......@@ -59,6 +59,7 @@
#include <linux/cpu.h>
#include <linux/device.h>
#include <asm/atomic.h>
#include <asm/abs_addr.h>
#include <asm/ibmebus.h>
#include <asm/io.h>
......
drivers/infiniband/hw/ehca/ehca_uverbs.c
View file @ 0cdf6990
......@@ -253,16 +253,16 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */
u32 cur_pid = current->tgid;
u32 ret;
unsigned long flags;
struct ehca_cq *cq;
struct ehca_qp *qp;
struct ehca_pd *pd;
struct ib_uobject *uobject;
switch (q_type) {
case 1: /* CQ */
spin_lock_irqsave(&ehca_cq_idr_lock, flags);
read_lock(&ehca_cq_idr_lock);
cq = idr_find(&ehca_cq_idr, idr_handle);
spin_unlock_irqrestore(&ehca_cq_idr_lock, flags);
read_unlock(&ehca_cq_idr_lock);
/* make sure this mmap really belongs to the authorized user */
if (!cq)
......@@ -288,9 +288,9 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
break;
case 2: /* QP */
spin_lock_irqsave(&ehca_qp_idr_lock, flags);
read_lock(&ehca_qp_idr_lock);
qp = idr_find(&ehca_qp_idr, idr_handle);
spin_unlock_irqrestore(&ehca_qp_idr_lock, flags);
read_unlock(&ehca_qp_idr_lock);
/* make sure this mmap really belongs to the authorized user */
if (!qp)
......@@ -304,7 +304,8 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
return -ENOMEM;
}
if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context)
uobject = IS_SRQ(qp) ? qp->ib_srq.uobject : qp->ib_qp.uobject;
if (!uobject || uobject->context != context)
return -EINVAL;
ret = ehca_mmap_qp(vma, qp, rsrc_type);
......
drivers/infiniband/hw/ehca/hcp_if.c
View file @ 0cdf6990
......@@ -5,6 +5,7 @@
*
* Authors: Christoph Raisch <raisch@de.ibm.com>
* Hoang-Nam Nguyen <hnguyen@de.ibm.com>
* Joachim Fenkes <fenkes@de.ibm.com>
* Gerd Bayer <gerd.bayer@de.ibm.com>
* Waleri Fomin <fomin@de.ibm.com>
*
......@@ -62,6 +63,12 @@
#define H_ALL_RES_QP_MAX_SEND_SGE EHCA_BMASK_IBM(32, 39)
#define H_ALL_RES_QP_MAX_RECV_SGE EHCA_BMASK_IBM(40, 47)
#define H_ALL_RES_QP_UD_AV_LKEY EHCA_BMASK_IBM(32, 63)
#define H_ALL_RES_QP_SRQ_QP_TOKEN EHCA_BMASK_IBM(0, 31)
#define H_ALL_RES_QP_SRQ_QP_HANDLE EHCA_BMASK_IBM(0, 64)
#define H_ALL_RES_QP_SRQ_LIMIT EHCA_BMASK_IBM(48, 63)
#define H_ALL_RES_QP_SRQ_QPN EHCA_BMASK_IBM(40, 63)
#define H_ALL_RES_QP_ACT_OUTST_SEND_WR EHCA_BMASK_IBM(16, 31)
#define H_ALL_RES_QP_ACT_OUTST_RECV_WR EHCA_BMASK_IBM(48, 63)
#define H_ALL_RES_QP_ACT_SEND_SGE EHCA_BMASK_IBM(8, 15)
......@@ -74,10 +81,7 @@
#define H_MP_SHUTDOWN EHCA_BMASK_IBM(48, 48)
#define H_MP_RESET_QKEY_CTR EHCA_BMASK_IBM(49, 49)
/* direct access qp controls */
#define DAQP_CTRL_ENABLE 0x01
#define DAQP_CTRL_SEND_COMP 0x20
#define DAQP_CTRL_RECV_COMP 0x40
static DEFINE_SPINLOCK(hcall_lock);
static u32 get_longbusy_msecs(int longbusy_rc)
{
......@@ -155,7 +159,7 @@ static long ehca_plpar_hcall9(unsigned long opcode,
{
long ret;
int i, sleep_msecs, lock_is_set = 0;
unsigned long flags;
unsigned long flags = 0;
ehca_gen_dbg("opcode=%lx arg1=%lx arg2=%lx arg3=%lx arg4=%lx "
"arg5=%lx arg6=%lx arg7=%lx arg8=%lx arg9=%lx",
......@@ -284,53 +288,53 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
}
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
struct ehca_qp *qp,
struct ehca_alloc_qp_parms *parms)
{
u64 ret;
u64 allocate_controls;
u64 max_r10_reg;
u64 allocate_controls, max_r10_reg, r11, r12;
u64 outs[PLPAR_HCALL9_BUFSIZE];
u16 max_nr_receive_wqes = qp->init_attr.cap.max_recv_wr + 1;
u16 max_nr_send_wqes = qp->init_attr.cap.max_send_wr + 1;
int daqp_ctrl = parms->daqp_ctrl;
allocate_controls =
EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS,
(daqp_ctrl & DAQP_CTRL_ENABLE) ? 1 : 0)
EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS, parms->ext_type)
| EHCA_BMASK_SET(H_ALL_RES_QP_PTE_PIN, 0)
| EHCA_BMASK_SET(H_ALL_RES_QP_SERVICE_TYPE, parms->servicetype)
| EHCA_BMASK_SET(H_ALL_RES_QP_SIGNALING_TYPE, parms->sigtype)
| EHCA_BMASK_SET(H_ALL_RES_QP_LL_RQ_CQE_POSTING,
(daqp_ctrl & DAQP_CTRL_RECV_COMP) ? 1 : 0)
!!(parms->ll_comp_flags & LLQP_RECV_COMP))
| EHCA_BMASK_SET(H_ALL_RES_QP_LL_SQ_CQE_POSTING,
(daqp_ctrl & DAQP_CTRL_SEND_COMP) ? 1 : 0)
!!(parms->ll_comp_flags & LLQP_SEND_COMP))
| EHCA_BMASK_SET(H_ALL_RES_QP_UD_AV_LKEY_CTRL,
parms->ud_av_l_key_ctl)
| EHCA_BMASK_SET(H_ALL_RES_QP_RESOURCE_TYPE, 1);
max_r10_reg =
EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_SEND_WR,
max_nr_send_wqes)
parms->max_send_wr + 1)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_OUTST_RECV_WR,
max_nr_receive_wqes)
parms->max_recv_wr + 1)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_SEND_SGE,
parms->max_send_sge)
| EHCA_BMASK_SET(H_ALL_RES_QP_MAX_RECV_SGE,
parms->max_recv_sge);
r11 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_QP_TOKEN, parms->srq_token);
if (parms->ext_type == EQPT_SRQ)
r12 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_LIMIT, parms->srq_limit);
else
r12 = EHCA_BMASK_SET(H_ALL_RES_QP_SRQ_QPN, parms->srq_qpn);
ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs,
adapter_handle.handle, /* r4 */
allocate_controls, /* r5 */
qp->send_cq->ipz_cq_handle.handle,
qp->recv_cq->ipz_cq_handle.handle,
parms->ipz_eq_handle.handle,
((u64)qp->token << 32) | parms->pd.value,
max_r10_reg, /* r10 */
parms->ud_av_l_key_ctl, /* r11 */
0);
qp->ipz_qp_handle.handle = outs[0];
qp->real_qp_num = (u32)outs[1];
parms->send_cq_handle.handle,
parms->recv_cq_handle.handle,
parms->eq_handle.handle,
((u64)parms->token << 32) | parms->pd.value,
max_r10_reg, r11, r12);
parms->qp_handle.handle = outs[0];
parms->real_qp_num = (u32)outs[1];
parms->act_nr_send_wqes =
(u16)EHCA_BMASK_GET(H_ALL_RES_QP_ACT_OUTST_SEND_WR, outs[2]);
parms->act_nr_recv_wqes =
......@@ -345,7 +349,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
(u32)EHCA_BMASK_GET(H_ALL_RES_QP_RQUEUE_SIZE_PAGES, outs[4]);
if (ret == H_SUCCESS)
hcp_galpas_ctor(&qp->galpas, outs[6], outs[6]);
hcp_galpas_ctor(&parms->galpas, outs[6], outs[6]);
if (ret == H_NOT_ENOUGH_RESOURCES)
ehca_gen_err("Not enough resources. ret=%lx", ret);
......
drivers/infiniband/hw/ehca/hcp_if.h
View file @ 0cdf6990
......@@ -78,7 +78,6 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
* initialize resources, create empty QPPTs (2 rings).
*/
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
struct ehca_qp *qp,
struct ehca_alloc_qp_parms *parms);
u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
......
drivers/infiniband/hw/ehca/hipz_hw.h
View file @ 0cdf6990
......@@ -163,6 +163,7 @@ struct hipz_qptemm {
#define QPX_SQADDER EHCA_BMASK_IBM(48,63)
#define QPX_RQADDER EHCA_BMASK_IBM(48,63)
#define QPX_AAELOG_RESET_SRQ_LIMIT EHCA_BMASK_IBM(3,3)
#define QPTEMM_OFFSET(x) offsetof(struct hipz_qptemm,x)
......@@ -360,6 +361,24 @@ struct hipz_query_hca {
u32 max_neq;
} __attribute__ ((packed));
#define HCA_CAP_AH_PORT_NR_CHECK EHCA_BMASK_IBM( 0, 0)
#define HCA_CAP_ATOMIC EHCA_BMASK_IBM( 1, 1)
#define HCA_CAP_AUTO_PATH_MIG EHCA_BMASK_IBM( 2, 2)
#define HCA_CAP_BAD_P_KEY_CTR EHCA_BMASK_IBM( 3, 3)
#define HCA_CAP_SQD_RTS_PORT_CHANGE EHCA_BMASK_IBM( 4, 4)
#define HCA_CAP_CUR_QP_STATE_MOD EHCA_BMASK_IBM( 5, 5)
#define HCA_CAP_INIT_TYPE EHCA_BMASK_IBM( 6, 6)
#define HCA_CAP_PORT_ACTIVE_EVENT EHCA_BMASK_IBM( 7, 7)
#define HCA_CAP_Q_KEY_VIOL_CTR EHCA_BMASK_IBM( 8, 8)
#define HCA_CAP_WQE_RESIZE EHCA_BMASK_IBM( 9, 9)
#define HCA_CAP_RAW_PACKET_MCAST EHCA_BMASK_IBM(10, 10)
#define HCA_CAP_SHUTDOWN_PORT EHCA_BMASK_IBM(11, 11)
#define HCA_CAP_RC_LL_QP EHCA_BMASK_IBM(12, 12)
#define HCA_CAP_SRQ EHCA_BMASK_IBM(13, 13)
#define HCA_CAP_UD_LL_QP EHCA_BMASK_IBM(16, 16)
#define HCA_CAP_RESIZE_MR EHCA_BMASK_IBM(17, 17)
#define HCA_CAP_MINI_QP EHCA_BMASK_IBM(18, 18)
/* query port response block */
struct hipz_query_port {
u32 state;
......
drivers/infiniband/hw/ehca/ipz_pt_fn.h
View file @ 0cdf6990
......@@ -105,7 +105,6 @@ void *ipz_qpageit_get_inc(struct ipz_queue *queue);
* step in struct ipz_queue, will wrap in ringbuffer
* returns address (kv) of Queue Entry BEFORE increment
* warning don't use in parallel with ipz_qpageit_get_inc()
* warning unpredictable results may occur if steps>act_nr_of_queue_entries
*/
static inline void *ipz_qeit_get_inc(struct ipz_queue *queue)
{
......@@ -120,32 +119,25 @@ static inline void *ipz_qeit_get_inc(struct ipz_queue *queue)
return ret;
}
/*
* return a bool indicating whether current Queue Entry is valid
*/
static inline int ipz_qeit_is_valid(struct ipz_queue *queue)
{
struct ehca_cqe *cqe = ipz_qeit_get(queue);
return ((cqe->cqe_flags >> 7) == (queue->toggle_state & 1));
}
/*
* return current Queue Entry, increment Queue Entry iterator by one
* step in struct ipz_queue, will wrap in ringbuffer
* returns address (kv) of Queue Entry BEFORE increment
* returns 0 and does not increment, if wrong valid state
* warning don't use in parallel with ipz_qpageit_get_inc()
* warning unpredictable results may occur if steps>act_nr_of_queue_entries
*/
static inline void *ipz_qeit_get_inc_valid(struct ipz_queue *queue)
{
struct ehca_cqe *cqe = ipz_qeit_get(queue);
u32 cqe_flags = cqe->cqe_flags;
if ((cqe_flags >> 7) != (queue->toggle_state & 1))
return NULL;
ipz_qeit_get_inc(queue);
return cqe;
}
static inline int ipz_qeit_is_valid(struct ipz_queue *queue)
{
struct ehca_cqe *cqe = ipz_qeit_get(queue);
u32 cqe_flags = cqe->cqe_flags;
return cqe_flags >> 7 == (queue->toggle_state & 1);
return ipz_qeit_is_valid(queue) ? ipz_qeit_get_inc(queue) : NULL;
}
/*
......
drivers/infiniband/hw/ipath/Kconfig
View file @ 0cdf6990
config INFINIBAND_IPATH
tristate "QLogic InfiniPath Driver"
depends on (PCI_MSI || HT_IRQ) && 64BIT && INFINIBAND && NET
depends on (PCI_MSI || HT_IRQ) && 64BIT && NET
---help---
This is a driver for QLogic InfiniPath host channel adapters,
including InfiniBand verbs support. This driver allows these
......
drivers/infiniband/hw/ipath/ipath_common.h
View file @ 0cdf6990
......@@ -189,8 +189,7 @@ typedef enum _ipath_ureg {
#define IPATH_RUNTIME_FORCE_WC_ORDER 0x4
#define IPATH_RUNTIME_RCVHDR_COPY 0x8
#define IPATH_RUNTIME_MASTER 0x10
#define IPATH_RUNTIME_PBC_REWRITE 0x20
#define IPATH_RUNTIME_LOOSE_DMA_ALIGN 0x40
/* 0x20 and 0x40 are no longer used, but are reserved for ABI compatibility */
/*
* This structure is returned by ipath_userinit() immediately after
......@@ -432,8 +431,15 @@ struct ipath_user_info {
#define IPATH_CMD_UNUSED_1 25
#define IPATH_CMD_UNUSED_2 26
#define IPATH_CMD_PIOAVAILUPD 27 /* force an update of PIOAvail reg */
#define IPATH_CMD_POLL_TYPE 28 /* set the kind of polling we want */
#define IPATH_CMD_MAX 27
#define IPATH_CMD_MAX 28
/*
* Poll types
*/
#define IPATH_POLL_TYPE_URGENT 0x01
#define IPATH_POLL_TYPE_OVERFLOW 0x02
struct ipath_port_info {
__u32 num_active; /* number of active units */
......@@ -474,6 +480,8 @@ struct ipath_cmd {
__u16 part_key;
/* user address of __u32 bitmask of active slaves */
__u64 slave_mask_addr;
/* type of polling we want */
__u16 poll_type;
} cmd;
};
......@@ -502,13 +510,30 @@ struct __ipath_sendpkt {
struct ipath_iovec sps_iov[4];
};
/* Passed into diag data special file's ->write method. */
/*
* diagnostics can send a packet by "writing" one of the following
* two structs to diag data special file
* The first is the legacy version for backward compatibility
*/
struct ipath_diag_pkt {
__u32 unit;
__u64 data;
__u32 len;
};
/* The second diag_pkt struct is the expanded version that allows
* more control over the packet, specifically, by allowing a custom
* pbc (+ extra) qword, so that special modes and deliberate
* changes to CRCs can be used. The elements were also re-ordered
* for better alignment and to avoid padding issues.
*/
struct ipath_diag_xpkt {
__u64 data;
__u64 pbc_wd;
__u32 unit;
__u32 len;
};
/*
* Data layout in I2C flash (for GUID, etc.)
* All fields are little-endian binary unless otherwise stated
......
drivers/infiniband/hw/ipath/ipath_cq.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -90,6 +90,8 @@ void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int solicited)
wc->queue[head].sl = entry->sl;
wc->queue[head].dlid_path_bits = entry->dlid_path_bits;
wc->queue[head].port_num = entry->port_num;
/* Make sure queue entry is written before the head index. */
smp_wmb();
wc->head = next;
if (cq->notify == IB_CQ_NEXT_COMP ||
......@@ -139,7 +141,8 @@ int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
if (tail == wc->head)
break;
/* Make sure entry is read after head index is read. */
smp_rmb();
qp = ipath_lookup_qpn(&to_idev(cq->ibcq.device)->qp_table,
wc->queue[tail].qp_num);
entry->qp = &qp->ibqp;
......
drivers/infiniband/hw/ipath/ipath_debug.h
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_diag.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -323,13 +323,14 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
{
u32 __iomem *piobuf;
u32 plen, clen, pbufn;
struct ipath_diag_pkt dp;
struct ipath_diag_pkt odp;
struct ipath_diag_xpkt dp;
u32 *tmpbuf = NULL;
struct ipath_devdata *dd;
ssize_t ret = 0;
u64 val;
if (count < sizeof(dp)) {
if (count != sizeof(dp)) {
ret = -EINVAL;
goto bail;
}
......@@ -339,6 +340,29 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
goto bail;
}
/*
* Due to padding/alignment issues (lessened with new struct)
* the old and new structs are the same length. We need to
* disambiguate them, which we can do because odp.len has never
* been less than the total of LRH+BTH+DETH so far, while
* dp.unit (same offset) unit is unlikely to get that high.
* Similarly, dp.data, the pointer to user at the same offset
* as odp.unit, is almost certainly at least one (512byte)page
* "above" NULL. The if-block below can be omitted if compatibility
* between a new driver and older diagnostic code is unimportant.
* compatibility the other direction (new diags, old driver) is
* handled in the diagnostic code, with a warning.
*/
if (dp.unit >= 20 && dp.data < 512) {
/* very probable version mismatch. Fix it up */
memcpy(&odp, &dp, sizeof(odp));
/* We got a legacy dp, copy elements to dp */
dp.unit = odp.unit;
dp.data = odp.data;
dp.len = odp.len;
dp.pbc_wd = 0; /* Indicate we need to compute PBC wd */
}
/* send count must be an exact number of dwords */
if (dp.len & 3) {
ret = -EINVAL;
......@@ -371,9 +395,10 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
ret = -ENODEV;
goto bail;
}
/* Check link state, but not if we have custom PBC */
val = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
if (val != IPATH_IBSTATE_INIT && val != IPATH_IBSTATE_ARM &&
val != IPATH_IBSTATE_ACTIVE) {
if (!dp.pbc_wd && val != IPATH_IBSTATE_INIT &&
val != IPATH_IBSTATE_ARM && val != IPATH_IBSTATE_ACTIVE) {
ipath_cdbg(VERBOSE, "unit %u not ready (state %llx)\n",
dd->ipath_unit, (unsigned long long) val);
ret = -EINVAL;
......@@ -419,9 +444,13 @@ static ssize_t ipath_diagpkt_write(struct file *fp,
ipath_cdbg(VERBOSE, "unit %u 0x%x+1w pio%d\n",
dd->ipath_unit, plen - 1, pbufn);
if (dp.pbc_wd == 0)
/* Legacy operation, use computed pbc_wd */
dp.pbc_wd = plen;
/* we have to flush after the PBC for correctness on some cpus
* or WC buffer can be written out of order */
writeq(plen, piobuf);
writeq(dp.pbc_wd, piobuf);
ipath_flush_wc();
/* copy all by the trigger word, then flush, so it's written
* to chip before trigger word, then write trigger word, then
......
drivers/infiniband/hw/ipath/ipath_driver.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_eeprom.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_fs.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -257,9 +257,14 @@ static ssize_t atomic_port_info_read(struct file *file, char __user *buf,
/* Notimpl InitType (actually, an SMA decision) */
/* VLHighLimit is 0 (only one VL) */
; /* VLArbitrationHighCap is 0 (only one VL) */
/*
* Note: the chips support a maximum MTU of 4096, but the driver
* hasn't implemented this feature yet, so set the maximum
* to 2048.
*/
portinfo[10] = /* VLArbitrationLowCap is 0 (only one VL) */
/* InitTypeReply is SMA decision */
(5 << 16) /* MTUCap 4096 */
(4 << 16) /* MTUCap 2048 */
| (7 << 13) /* VLStallCount */
| (0x1f << 8) /* HOQLife */
| (1 << 4)
......
drivers/infiniband/hw/ipath/ipath_iba6110.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_iba6120.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_init_chip.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -133,7 +133,8 @@ static int create_port0_egr(struct ipath_devdata *dd)
dd->ipath_ibmaxlen, PCI_DMA_FROMDEVICE);
dd->ipath_f_put_tid(dd, e + (u64 __iomem *)
((char __iomem *) dd->ipath_kregbase +
dd->ipath_rcvegrbase), 0,
dd->ipath_rcvegrbase),
RCVHQ_RCV_TYPE_EAGER,
dd->ipath_port0_skbinfo[e].phys);
}
......@@ -310,7 +311,12 @@ static int init_chip_first(struct ipath_devdata *dd,
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiosize);
dd->ipath_piosize2k = val & ~0U;
dd->ipath_piosize4k = val >> 32;
dd->ipath_ibmtu = 4096; /* default to largest legal MTU */
/*
* Note: the chips support a maximum MTU of 4096, but the driver
* hasn't implemented this feature yet, so set the initial value
* to 2048.
*/
dd->ipath_ibmtu = 2048;
val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_sendpiobufcnt);
dd->ipath_piobcnt2k = val & ~0U;
dd->ipath_piobcnt4k = val >> 32;
......@@ -340,6 +346,10 @@ static int init_chip_first(struct ipath_devdata *dd,
spin_lock_init(&dd->ipath_tid_lock);
spin_lock_init(&dd->ipath_gpio_lock);
spin_lock_init(&dd->ipath_eep_st_lock);
sema_init(&dd->ipath_eep_sem, 1);
done:
*pdp = pd;
return ret;
......@@ -646,7 +656,7 @@ static int init_housekeeping(struct ipath_devdata *dd,
ret = dd->ipath_f_get_boardname(dd, boardn, sizeof boardn);
snprintf(dd->ipath_boardversion, sizeof(dd->ipath_boardversion),
"Driver %u.%u, %s, InfiniPath%u %u.%u, PCI %u, "
"ChipABI %u.%u, %s, InfiniPath%u %u.%u, PCI %u, "
"SW Compat %u\n",
IPATH_CHIP_VERS_MAJ, IPATH_CHIP_VERS_MIN, boardn,
(unsigned)(dd->ipath_revision >> INFINIPATH_R_ARCH_SHIFT) &
......@@ -727,7 +737,7 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
uports = dd->ipath_cfgports ? dd->ipath_cfgports - 1 : 0;
if (ipath_kpiobufs == 0) {
/* not set by user (this is default) */
if (piobufs >= (uports * IPATH_MIN_USER_PORT_BUFCNT) + 32)
if (piobufs > 144)
kpiobufs = 32;
else
kpiobufs = 16;
......@@ -767,6 +777,12 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
piobufs, dd->ipath_pbufsport, uports);
dd->ipath_f_early_init(dd);
/*
* cancel any possible active sends from early driver load.
* Follows early_init because some chips have to initialize
* PIO buffers in early_init to avoid false parity errors.
*/
ipath_cancel_sends(dd);
/* early_init sets rcvhdrentsize and rcvhdrsize, so this must be
* done after early_init */
......
drivers/infiniband/hw/ipath/ipath_intr.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_kernel.h
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_keys.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_layer.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_layer.h
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_mad.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......@@ -103,7 +103,7 @@ static int recv_subn_get_nodeinfo(struct ib_smp *smp,
/* This is already in network order */
nip->sys_guid = to_idev(ibdev)->sys_image_guid;
nip->node_guid = dd->ipath_guid;
nip->port_guid = nip->sys_guid;
nip->port_guid = dd->ipath_guid;
nip->partition_cap = cpu_to_be16(ipath_get_npkeys(dd));
nip->device_id = cpu_to_be16(dd->ipath_deviceid);
majrev = dd->ipath_majrev;
......@@ -292,7 +292,12 @@ static int recv_subn_get_portinfo(struct ib_smp *smp,
/* pip->vl_arb_high_cap; // only one VL */
/* pip->vl_arb_low_cap; // only one VL */
/* InitTypeReply = 0 */
pip->inittypereply_mtucap = IB_MTU_4096;
/*
* Note: the chips support a maximum MTU of 4096, but the driver
* hasn't implemented this feature yet, so set the maximum value
* to 2048.
*/
pip->inittypereply_mtucap = IB_MTU_2048;
// HCAs ignore VLStallCount and HOQLife
/* pip->vlstallcnt_hoqlife; */
pip->operationalvl_pei_peo_fpi_fpo = 0x10; /* OVLs = 1 */
......
drivers/infiniband/hw/ipath/ipath_mmap.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic 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
......
drivers/infiniband/hw/ipath/ipath_mr.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_qp.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_rc.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_registers.h
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_ruc.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_srq.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_stats.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_sysfs.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_uc.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_ud.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_user_pages.c
View file @ 0cdf6990
/*
* Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
......
drivers/infiniband/hw/ipath/ipath_verbs.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/ipath/ipath_verbs.h
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mlx4/Kconfig
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mlx4/main.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mlx4/mlx4_ib.h
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mlx4/qp.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mlx4/srq.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mthca/Kconfig
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/hw/mthca/mthca_eq.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/ulp/ipoib/Kconfig
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/ulp/ipoib/ipoib_ib.c
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/ulp/iser/Kconfig
View file @ 0cdf6990
This diff is collapsed.
drivers/infiniband/ulp/srp/Kconfig
View file @ 0cdf6990
This diff is collapsed.
drivers/net/cxgb3/version.h
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/fw.c
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/fw.h
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/main.c
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/mlx4.h
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/qp.c
View file @ 0cdf6990
This diff is collapsed.
drivers/net/mlx4/srq.c
View file @ 0cdf6990
This diff is collapsed.
include/linux/mlx4/device.h
View file @ 0cdf6990
This diff is collapsed.
include/linux/mlx4/qp.h
View file @ 0cdf6990
This diff is collapsed.
include/rdma/ib_cm.h
View file @ 0cdf6990
This diff is collapsed.
include/rdma/ib_mad.h
View file @ 0cdf6990
This diff is collapsed.
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7