From: Oleksandr Andrushchenko oleksandr_andrushchenko@epam.com
Extend the size of the requests and responses to 64 octets. Bump protocol version to 2.
Signed-off-by: Oleksandr Andrushchenko oleksandr_andrushchenko@epam.com --- xen/include/public/io/sndif.h | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/xen/include/public/io/sndif.h b/xen/include/public/io/sndif.h index 916be1d3a13f..ec47ff990f2c 100644 --- a/xen/include/public/io/sndif.h +++ b/xen/include/public/io/sndif.h @@ -41,7 +41,7 @@ * Protocol version ****************************************************************************** */ -#define XENSND_PROTOCOL_VERSION 1 +#define XENSND_PROTOCOL_VERSION 2
/* ****************************************************************************** @@ -533,7 +533,7 @@ * *---------------------------------- Requests --------------------------------- * - * All request packets have the same length (32 octets) + * All request packets have the same length (64 octets) * All request packets have common header: * 0 1 2 3 octet * +----------------+----------------+----------------+----------------+ @@ -570,7 +570,7 @@ * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * pcm_rate - uint32_t, stream data rate, Hz @@ -639,7 +639,7 @@ struct xensnd_page_directory { * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * Request read/write - used for read (for capture) or write (for playback): @@ -657,7 +657,7 @@ struct xensnd_page_directory { * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_READ for read or XENSND_OP_WRITE for write @@ -684,7 +684,7 @@ struct xensnd_rw_req { * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_SET_VOLUME for volume set @@ -726,7 +726,7 @@ struct xensnd_rw_req { * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * operation - XENSND_OP_MUTE for mute or XENSND_OP_UNMUTE for unmute @@ -759,7 +759,7 @@ struct xensnd_rw_req { /* *---------------------------------- Responses -------------------------------- * - * All response packets have the same length (32 octets) + * All response packets have the same length (64 octets) * * Response for all requests: * 0 1 2 3 octet @@ -772,7 +772,7 @@ struct xensnd_rw_req { * +----------------+----------------+----------------+----------------+ * |//////////////////////////////////| * +----------------+----------------+----------------+----------------+ - * | reserved | 32 + * | reserved | 64 * +----------------+----------------+----------------+----------------+ * * id - uint16_t, copied from the request @@ -787,7 +787,7 @@ struct xensnd_req { union { struct xensnd_open_req open; struct xensnd_rw_req rw; - uint8_t reserved[24]; + uint8_t reserved[56]; } op; };
@@ -796,7 +796,7 @@ struct xensnd_resp { uint8_t operation; uint8_t reserved; int32_t status; - uint8_t reserved1[24]; + uint8_t reserved1[56]; };
DEFINE_RING_TYPES(xen_sndif, struct xensnd_req, struct xensnd_resp);