diff options
| -rw-r--r-- | virtio-v1.0-wd01-part1-specification.txt | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/virtio-v1.0-wd01-part1-specification.txt b/virtio-v1.0-wd01-part1-specification.txt index 75557aa..1268a0a 100644 --- a/virtio-v1.0-wd01-part1-specification.txt +++ b/virtio-v1.0-wd01-part1-specification.txt @@ -1815,21 +1815,6 @@ features. VIRTIO_NET_F_GUEST_ANNOUNCE(21) Guest can send gratuitous packets. - Device configuration layout Two configuration fields are - currently defined. The mac address field always exists (though - is only valid if VIRTIO_NET_F_MAC is set), and the status field - only exists if VIRTIO_NET_F_STATUS is set. Two read-only bits - are currently defined for the status field: - VIRTIO_NET_S_LINK_UP and VIRTIO_NET_S_ANNOUNCE. - - #define VIRTIO_NET_S_LINK_UP 1 - #define VIRTIO_NET_S_ANNOUNCE 2 - - struct virtio_net_config { - u8 mac[6]; - u16 status; - }; - 2.4.1.3.1. Legacy Interface: Feature bits -------------------- VIRTIO_NET_F_GSO (6) Device handles packets with any GSO type. @@ -1838,6 +1823,22 @@ This was supposed to indicate segmentation offload support, but upon further investigation it became clear that multiple bits were required. +100.4.1.4. Device configuration layout +--------------------- + +Two configuration fields are currently defined. The mac address field +always exists (though is only valid if VIRTIO_NET_F_MAC is set), and +the status field only exists if VIRTIO_NET_F_STATUS is set. Two +read-only bits are currently defined for the status field: +VIRTIO_NET_S_LINK_UP and VIRTIO_NET_S_ANNOUNCE. + + #define VIRTIO_NET_S_LINK_UP 1 + #define VIRTIO_NET_S_ANNOUNCE 2 + + struct virtio_net_config { + u8 mac[6]; + le16 status; + }; 2.4.1.4. Device Initialization ----------------------------- @@ -2196,10 +2197,18 @@ device except where noted. VIRTIO_BLK_F_FLUSH (9) Cache flush command support. - Device configuration layout The capacity of the device - (expressed in 512-byte sectors) is always present. The - availability of the others all depend on various feature bits - as indicated above. +2.4.2.3.1 Legacy Interface: Feature bits +-------------------- + VIRTIO_BLK_F_BARRIER (0) Host supports request barriers. + + VIRTIO_BLK_F_SCSI (7) Device supports scsi packet commands. + +100.2.4.2.5. Device configuration layout +-------------------- + +The capacity of the device (expressed in 512-byte sectors) is always +present. The availability of the others all depend on various feature +bits as indicated above. struct virtio_blk_config { u64 capacity; @@ -2213,11 +2222,6 @@ device except where noted. u32 blk_size; }; -2.4.2.3.1 Legacy Interface: Feature bits --------------------- - VIRTIO_BLK_F_BARRIER (0) Host supports request barriers. - - VIRTIO_BLK_F_SCSI (7) Device supports scsi packet commands. 2.4.2.4. Device Initialization ----------------------------- |