static void
virtio_net_config(ether_addr_t * addr)
{
u32_t mac14;
u32_t mac56;
int i;
if (virtio_host_supports(net_dev, VIRTIO_NET_F_MAC)) {
dprintf(("Mac set by host: "));
mac14 = virtio_sread32(net_dev, 0);
mac56 = virtio_sread32(net_dev, 4);
memcpy(&addr->ea_addr[0], &mac14, 4);
memcpy(&addr->ea_addr[4], &mac56, 2);
for (i = 0; i < 6; i++)
dprintf(("%02x%s", addr->ea_addr[i],
i == 5 ? "\n" : ":"));
} else {
dput(("No mac"));
}
if (virtio_host_supports(net_dev, VIRTIO_NET_F_STATUS)) {
dput(("Current Status %x", (u32_t)virtio_sread16(net_dev, 6)));
} else {
dput(("No status"));
}
if (virtio_host_supports(net_dev, VIRTIO_NET_F_CTRL_VQ))
dput(("Host supports control channel"));
if (virtio_host_supports(net_dev, VIRTIO_NET_F_CTRL_RX))
dput(("Host supports control channel for RX"));
}
static int
virtio_net_config(void)
{
u32_t mac14;
u32_t mac56;
int i;
if (virtio_host_supports(net_dev, VIRTIO_NET_F_MAC)) {
dprintf(("Mac set by host: "));
mac14 = virtio_sread32(net_dev, 0);
mac56 = virtio_sread32(net_dev, 4);
*(u32_t*)virtio_net_mac = mac14;
*(u16_t*)(virtio_net_mac + 4) = mac56;
for (i = 0; i < 6; i++)
printf("%02x%s", virtio_net_mac[i],
i == 5 ? "\n" : ":");
} else {
dput(("No mac"));
}
if (virtio_host_supports(net_dev, VIRTIO_NET_F_STATUS)) {
dput(("Current Status %x", (u32_t)virtio_sread16(net_dev, 6)));
} else {
dput(("No status"));
}
if (virtio_host_supports(net_dev, VIRTIO_NET_F_CTRL_VQ))
dput(("Host supports control channel"));
if (virtio_host_supports(net_dev, VIRTIO_NET_F_CTRL_RX))
dput(("Host supports control channel for RX"));
return OK;
}
static int
virtio_blk_config(void)
{
u32_t sectors_low, sectors_high, size_mbs;
/* capacity is always there */
sectors_low = virtio_sread32(blk_dev, 0);
sectors_high = virtio_sread32(blk_dev, 4);
blk_config.capacity = ((u64_t)sectors_high << 32) | sectors_low;
/* If this gets truncated, you have a big disk... */
size_mbs = (u32_t)(blk_config.capacity * 512 / 1024 / 1024);
dprintf(("Capacity: %d MB", size_mbs));
/* do feature setup */
virtio_blk_feature_setup();
return 0;
}
static int
virtio_blk_feature_setup(void)
{
/* Feature setup for virtio-blk
*
* FIXME: Besides the geometry, everything is just debug output
* FIXME2: magic numbers
*/
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_SEG_MAX)) {
blk_config.seg_max = virtio_sread32(blk_dev, 12);
dprintf(("Seg Max: %d", blk_config.seg_max));
}
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_GEOMETRY)) {
blk_config.geometry.cylinders = virtio_sread16(blk_dev, 16);
blk_config.geometry.heads = virtio_sread8(blk_dev, 18);
blk_config.geometry.sectors = virtio_sread8(blk_dev, 19);
dprintf(("Geometry: cyl=%d heads=%d sectors=%d",
blk_config.geometry.cylinders,
blk_config.geometry.heads,
blk_config.geometry.sectors));
}
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_SIZE_MAX))
dprintf(("Has size max"));
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_FLUSH))
dprintf(("Supports flushing"));
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_BLK_SIZE)) {
blk_config.blk_size = virtio_sread32(blk_dev, 20);
dprintf(("Block Size: %d", blk_config.blk_size));
}
if (virtio_host_supports(blk_dev, VIRTIO_BLK_F_BARRIER))
dprintf(("Supports barrier"));
return 0;
}
