From: Oleksandr Andrushchenko <andr2000@gmail.com>
To: alsa-devel@alsa-project.org, xen-devel@lists.xenproject.org,
konrad.wilk@oracle.com, tiwai@suse.de
Cc: andr2000@gmail.com,
Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Subject: [Xen-devel][PATCH v3 3/5] sndif: Make requests and responses 64 octets long
Date: Mon, 19 Mar 2018 09:22:22 +0200 [thread overview]
Message-ID: <1521444144-12451-4-git-send-email-andr2000@gmail.com> (raw)
In-Reply-To: <1521444144-12451-1-git-send-email-andr2000@gmail.com>
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);
--
2.7.4
next prev parent reply other threads:[~2018-03-19 7:22 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-19 7:22 [Xen-devel][PATCH v3 0/5] sndif: add explicit back and front synchronization Oleksandr Andrushchenko
2018-03-19 7:22 ` [Xen-devel][PATCH v3 1/5] sndif: Introduce protocol version Oleksandr Andrushchenko
2018-03-19 7:22 ` [Xen-devel][PATCH v3 2/5] sndif: Fix missed "reserved" fields in comments Oleksandr Andrushchenko
2018-03-19 7:22 ` Oleksandr Andrushchenko [this message]
2018-03-19 7:22 ` [Xen-devel][PATCH v3 4/5] sndif: Add explicit back and front synchronization Oleksandr Andrushchenko
2018-03-19 7:22 ` [Xen-devel][PATCH v3 5/5] sndif: Add explicit back and front parameter negotiation Oleksandr Andrushchenko
2018-03-20 20:22 ` [Xen-devel][PATCH v3 0/5] sndif: add explicit back and front synchronization Takashi Iwai
2018-03-21 7:15 ` Oleksandr Andrushchenko
2018-03-21 7:20 ` Takashi Iwai
2018-03-21 7:25 ` Oleksandr Andrushchenko
2018-03-27 5:41 ` Oleksandr Andrushchenko
2018-04-03 5:37 ` Oleksandr Andrushchenko
2018-04-10 5:28 ` Oleksandr Andrushchenko
2018-04-12 14:31 ` Konrad Rzeszutek Wilk
2018-04-12 14:35 ` Oleksandr Andrushchenko
2018-04-06 9:13 ` [PATCH " Juergen Gross
2018-04-06 9:18 ` [Xen-devel] " Oleksandr Andrushchenko
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