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virtio: vioqueue_t

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Matheus
2023-12-31 16:10:32 -03:00
parent e49f617a90
commit 69978904b8
3 changed files with 41 additions and 33 deletions
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kernel-src/io/virtio.c
+13 -7
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@@ -33,12 +33,12 @@ void virtio_enablequeue(viodevice_t *viodevice, int queue) {
viodevice->config->queueenable = 1;
}
uint16_t *virtio_queuenotifyaddress(viodevice_t *viodevice, int queue) {
viodevice->config->queueselect = queue;
return (uint16_t *)((uintptr_t)viodevice->notify + viodevice->config->queuenotifyoffset * viodevice->notifymultiplier);
static uint16_t *virtio_queuenotifyaddress(viodevice_t *viodevice, int queue) {
viodevice->config->queueselect = queue;
return (uint16_t *)((uintptr_t)viodevice->notify + viodevice->config->queuenotifyoffset * viodevice->notifymultiplier);
}
void *virtio_createqueue(viodevice_t *viodevice, int queue, size_t size, int msix) {
void *virtio_createqueue(viodevice_t *viodevice, vioqueue_t *vioqueue, int queue, size_t size, int msix) {
size_t bytesize = VIO_QUEUE_BYTESIZE(size);
size_t pagesize = ROUND_UP(bytesize, PAGE_SIZE) / PAGE_SIZE;
@@ -46,13 +46,19 @@ void *virtio_createqueue(viodevice_t *viodevice, int queue, size_t size, int msi
__assert(queuephys);
memset(MAKE_HHDM(queuephys), 0, bytesize);
vioqueue->address = queuephys;
vioqueue->size = size;
vioqueue->notify = virtio_queuenotifyaddress(viodevice, queue);
viodevice->config->queueselect = queue;
viodevice->config->queuesize = size;
viodevice->config->queuemsixvector = msix;
__assert(viodevice->config->queuemsixvector == msix);
viodevice->config->queuedesc = (uint64_t)VIO_QUEUE_BUFFERS(queuephys, size);
viodevice->config->queuedriver = (uint64_t)VIO_QUEUE_DRV(queuephys, size);
viodevice->config->queuedevice = (uint64_t)VIO_QUEUE_DEV(queuephys, size);
viodevice->config->queuedesc = (uint64_t)VIO_QUEUE_BUFFERS(vioqueue);
viodevice->config->queuedriver = (uint64_t)VIO_QUEUE_DRV(vioqueue);
viodevice->config->queuedevice = (uint64_t)VIO_QUEUE_DEV(vioqueue);
vioqueue->address = MAKE_HHDM(queuephys);
return queuephys;
}