Revision f558c272386a0f7507cc8de7b6b5afc24d17fa9c authored by Linus Torvalds on 31 March 2012, 01:08:05 UTC, committed by Linus Torvalds on 31 March 2012, 01:08:05 UTC
Pull genirq updates from Thomas Gleixner. * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Adjust irq thread affinity on IRQ_SET_MASK_OK_NOCOPY return value genirq: Respect NUMA node affinity in setup_irq_irq affinity() genirq: Get rid of unneeded force parameter in irq_finalize_oneshot() genirq: Minor readablity improvement in irq_wake_thread()
iw_sysctl.c
/*
* Copyright (c) 2006 Oracle. 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.
*
*/
#include <linux/kernel.h>
#include <linux/sysctl.h>
#include <linux/proc_fs.h>
#include "iw.h"
static struct ctl_table_header *rds_iw_sysctl_hdr;
unsigned long rds_iw_sysctl_max_send_wr = RDS_IW_DEFAULT_SEND_WR;
unsigned long rds_iw_sysctl_max_recv_wr = RDS_IW_DEFAULT_RECV_WR;
unsigned long rds_iw_sysctl_max_recv_allocation = (128 * 1024 * 1024) / RDS_FRAG_SIZE;
static unsigned long rds_iw_sysctl_max_wr_min = 1;
/* hardware will fail CQ creation long before this */
static unsigned long rds_iw_sysctl_max_wr_max = (u32)~0;
unsigned long rds_iw_sysctl_max_unsig_wrs = 16;
static unsigned long rds_iw_sysctl_max_unsig_wr_min = 1;
static unsigned long rds_iw_sysctl_max_unsig_wr_max = 64;
unsigned long rds_iw_sysctl_max_unsig_bytes = (16 << 20);
static unsigned long rds_iw_sysctl_max_unsig_bytes_min = 1;
static unsigned long rds_iw_sysctl_max_unsig_bytes_max = ~0UL;
unsigned int rds_iw_sysctl_flow_control = 1;
static ctl_table rds_iw_sysctl_table[] = {
{
.procname = "max_send_wr",
.data = &rds_iw_sysctl_max_send_wr,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra1 = &rds_iw_sysctl_max_wr_min,
.extra2 = &rds_iw_sysctl_max_wr_max,
},
{
.procname = "max_recv_wr",
.data = &rds_iw_sysctl_max_recv_wr,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra1 = &rds_iw_sysctl_max_wr_min,
.extra2 = &rds_iw_sysctl_max_wr_max,
},
{
.procname = "max_unsignaled_wr",
.data = &rds_iw_sysctl_max_unsig_wrs,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra1 = &rds_iw_sysctl_max_unsig_wr_min,
.extra2 = &rds_iw_sysctl_max_unsig_wr_max,
},
{
.procname = "max_unsignaled_bytes",
.data = &rds_iw_sysctl_max_unsig_bytes,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
.extra1 = &rds_iw_sysctl_max_unsig_bytes_min,
.extra2 = &rds_iw_sysctl_max_unsig_bytes_max,
},
{
.procname = "max_recv_allocation",
.data = &rds_iw_sysctl_max_recv_allocation,
.maxlen = sizeof(unsigned long),
.mode = 0644,
.proc_handler = proc_doulongvec_minmax,
},
{
.procname = "flow_control",
.data = &rds_iw_sysctl_flow_control,
.maxlen = sizeof(rds_iw_sysctl_flow_control),
.mode = 0644,
.proc_handler = proc_dointvec,
},
{ }
};
static struct ctl_path rds_iw_sysctl_path[] = {
{ .procname = "net", },
{ .procname = "rds", },
{ .procname = "iw", },
{ }
};
void rds_iw_sysctl_exit(void)
{
if (rds_iw_sysctl_hdr)
unregister_sysctl_table(rds_iw_sysctl_hdr);
}
int rds_iw_sysctl_init(void)
{
rds_iw_sysctl_hdr = register_sysctl_paths(rds_iw_sysctl_path, rds_iw_sysctl_table);
if (!rds_iw_sysctl_hdr)
return -ENOMEM;
return 0;
}
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