mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 04:18:39 +08:00
e6550b3ee1
Based on the normalized pattern:
this program is free software you may redistribute it and/or modify it
under the terms of the gnu general public license as published by the
free software foundation version 2 of the license 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
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright 2008 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/types.h>
|
|
#include <linux/pci.h>
|
|
#include <linux/delay.h>
|
|
#include "vnic_dev.h"
|
|
#include "vnic_intr.h"
|
|
|
|
void vnic_intr_free(struct vnic_intr *intr)
|
|
{
|
|
intr->ctrl = NULL;
|
|
}
|
|
|
|
int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
|
|
unsigned int index)
|
|
{
|
|
intr->index = index;
|
|
intr->vdev = vdev;
|
|
|
|
intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
|
|
if (!intr->ctrl) {
|
|
printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n",
|
|
index);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
|
|
unsigned int coalescing_type, unsigned int mask_on_assertion)
|
|
{
|
|
iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer);
|
|
iowrite32(coalescing_type, &intr->ctrl->coalescing_type);
|
|
iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion);
|
|
iowrite32(0, &intr->ctrl->int_credits);
|
|
}
|
|
|
|
void vnic_intr_clean(struct vnic_intr *intr)
|
|
{
|
|
iowrite32(0, &intr->ctrl->int_credits);
|
|
}
|