sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2025-12-19 02:50:25 +03:00
Code Issues Packages Projects Releases Wiki Activity

[Infiniband] Move event-queue process from driver to Infiniband core

Browse Source
This commit is contained in:
Michael Brown
2008-04-21 13:23:11 +01:00
parent e55bab3ce3
commit 35a5836677
5 changed files with 353 additions and 261 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
src/net/infiniband.c
View File

@@ -29,6 +29,7 @@
#include <gpxe/netdevice.h>
#include <gpxe/iobuf.h>
#include <gpxe/ipoib.h>
#include <gpxe/process.h>
#include <gpxe/infiniband.h>
/** @file
@@ -37,6 +38,9 @@
*
*/
/** List of Infiniband devices */
struct list_head ib_devices = LIST_HEAD_INIT ( ib_devices );
/**
* Create completion queue
*
@@ -349,6 +353,50 @@ static int ib_get_mad_params ( struct ib_device *ibdev ) {
return 0;
}
/***************************************************************************
*
* Event queues
*
***************************************************************************
*/
/**
* Handle Infiniband link state change
*
* @v ibdev Infiniband device
*/
void ib_link_state_changed ( struct ib_device *ibdev ) {
int rc;
/* Update MAD parameters */
if ( ( rc = ib_get_mad_params ( ibdev ) ) != 0 ) {
DBGC ( ibdev, "IBDEV %p could not update MAD parameters: %s\n",
ibdev, strerror ( rc ) );
return;
}
/* Notify IPoIB of link state change */
ipoib_link_state_changed ( ibdev );
}
/**
* Single-step the Infiniband event queue
*
* @v process Infiniband event queue process
*/
static void ib_step ( struct process *process __unused ) {
struct ib_device *ibdev;
list_for_each_entry ( ibdev, &ib_devices, list ) {
ibdev->op->poll_eq ( ibdev );
}
}
/** Infiniband event queue process */
struct process ib_process __permanent_process = {
.step = ib_step,
};
/***************************************************************************
*
* Infiniband device creation/destruction
@@ -385,6 +433,10 @@ struct ib_device * alloc_ibdev ( size_t priv_size ) {
int register_ibdev ( struct ib_device *ibdev ) {
int rc;
/* Add to device list */
ibdev_get ( ibdev );
list_add_tail ( &ibdev->list, &ib_devices );
/* Open link */
if ( ( rc = ib_open ( ibdev ) ) != 0 )
goto err_open;
@@ -400,12 +452,16 @@ int register_ibdev ( struct ib_device *ibdev ) {
goto err_ipoib_probe;
}
DBGC ( ibdev, "IBDEV %p registered (phys %s)\n", ibdev,
ibdev->dev->name );
return 0;
err_ipoib_probe:
err_get_mad_params:
ib_close ( ibdev );
err_open:
list_del ( &ibdev->list );
ibdev_put ( ibdev );
return rc;
}
@@ -415,34 +471,13 @@ int register_ibdev ( struct ib_device *ibdev ) {
* @v ibdev Infiniband device
*/
void unregister_ibdev ( struct ib_device *ibdev ) {
/* Close device */
ipoib_remove ( ibdev );
ib_close ( ibdev );
}
/**
* Free Infiniband device
*
* @v ibdev Infiniband device
*/
void free_ibdev ( struct ib_device *ibdev ) {
free ( ibdev );
}
/**
* Handle Infiniband link state change
*
* @v ibdev Infiniband device
*/
void ib_link_state_changed ( struct ib_device *ibdev ) {
int rc;
/* Update MAD parameters */
if ( ( rc = ib_get_mad_params ( ibdev ) ) != 0 ) {
DBGC ( ibdev, "IBDEV %p could not update MAD parameters: %s\n",
ibdev, strerror ( rc ) );
return;
}
/* Notify IPoIB of link state change */
ipoib_link_state_changed ( ibdev );
/* Remove from device list */
list_del ( &ibdev->list );
ibdev_put ( ibdev );
DBGC ( ibdev, "IBDEV %p unregistered\n", ibdev );
}