Contributors: 5
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Scott Feldman |
212 |
92.58% |
2 |
33.33% |
| Vasanthy Kolluri |
9 |
3.93% |
1 |
16.67% |
| Govindarajulu Varadarajan |
4 |
1.75% |
1 |
16.67% |
| Thomas Gleixner |
2 |
0.87% |
1 |
16.67% |
| Joe Perches |
2 |
0.87% |
1 |
16.67% |
| Total |
229 |
|
6 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright 2008-2010 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"
#include "enic.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) {
vdev_err(vdev, "Failed to hook INTR[%d].ctrl resource\n",
index);
return -EINVAL;
}
return 0;
}
void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer,
unsigned int coalescing_type, unsigned int mask_on_assertion)
{
vnic_intr_coalescing_timer_set(intr, 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_coalescing_timer_set(struct vnic_intr *intr,
u32 coalescing_timer)
{
iowrite32(vnic_dev_intr_coal_timer_usec_to_hw(intr->vdev,
coalescing_timer), &intr->ctrl->coalescing_timer);
}
void vnic_intr_clean(struct vnic_intr *intr)
{
iowrite32(0, &intr->ctrl->int_credits);
}