This source file includes following definitions.
- vnic_intr_free
- vnic_intr_alloc
- vnic_intr_init
- vnic_intr_clean
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19 #include <linux/kernel.h>
20 #include <linux/errno.h>
21 #include <linux/types.h>
22 #include <linux/pci.h>
23 #include <linux/delay.h>
24 #include "vnic_dev.h"
25 #include "vnic_intr.h"
26
27 void vnic_intr_free(struct vnic_intr *intr)
28 {
29 intr->ctrl = NULL;
30 }
31
32 int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
33 unsigned int index)
34 {
35 intr->index = index;
36 intr->vdev = vdev;
37
38 intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
39 if (!intr->ctrl) {
40 printk(KERN_ERR "Failed to hook INTR[%d].ctrl resource\n",
41 index);
42 return -EINVAL;
43 }
44
45 return 0;
46 }
47
48 void vnic_intr_init(struct vnic_intr *intr, unsigned int coalescing_timer,
49 unsigned int coalescing_type, unsigned int mask_on_assertion)
50 {
51 iowrite32(coalescing_timer, &intr->ctrl->coalescing_timer);
52 iowrite32(coalescing_type, &intr->ctrl->coalescing_type);
53 iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion);
54 iowrite32(0, &intr->ctrl->int_credits);
55 }
56
57 void vnic_intr_clean(struct vnic_intr *intr)
58 {
59 iowrite32(0, &intr->ctrl->int_credits);
60 }