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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright 2008-2017 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*/
#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) {
pr_err("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);
}
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