From: Wei Liu <wei.liu2@citrix.com>
To: xen-devel@lists.xen.org
Cc: Wei Liu <wei.liu2@citrix.com>,
ian.campbell@citrix.com, jbeulich@suse.com,
david.vrabel@citrix.com
Subject: [PATCH V2 07/15] Update Xen public header
Date: Mon, 4 Feb 2013 17:23:50 +0000 [thread overview]
Message-ID: <1359998638-16774-8-git-send-email-wei.liu2@citrix.com> (raw)
In-Reply-To: <1359998638-16774-1-git-send-email-wei.liu2@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
xen/include/public/xen.h | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/xen/include/public/xen.h b/xen/include/public/xen.h
index fe44eb5..ba5d045 100644
--- a/xen/include/public/xen.h
+++ b/xen/include/public/xen.h
@@ -554,9 +554,16 @@ DEFINE_XEN_GUEST_HANDLE(multicall_entry_t);
/*
* Event channel endpoints per domain:
+ * 2-level:
* 1024 if a long is 32 bits; 4096 if a long is 64 bits.
+ * 3-level:
+ * 32k if a long is 32 bits; 256k if a long is 64 bits.
*/
-#define NR_EVENT_CHANNELS (sizeof(unsigned long) * sizeof(unsigned long) * 64)
+#define NR_EVENT_CHANNELS_L2 (sizeof(unsigned long) * sizeof(unsigned long) * 64)
+#define NR_EVENT_CHANNELS_L3 (NR_EVENT_CHANNELS_L2 * 64)
+#if !defined(__XEN__) && !defined(__XEN_TOOLS__)
+#define NR_EVENT_CHANNELS NR_EVENT_CHANNELS_L2 /* for compatibility */
+#endif
struct vcpu_time_info {
/*
--
1.7.10.4
next prev parent reply other threads:[~2013-02-04 17:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-04 17:23 [PATCH V2] Implement 3-level event channel in Xen Wei Liu
2013-02-04 17:23 ` [PATCH V2 01/15] Dynamically allocate d->evtchn Wei Liu
2013-02-04 17:23 ` [PATCH V2 02/15] Move event channel macros / struct definition to proper place Wei Liu
2013-02-04 17:23 ` [PATCH V2 03/15] Add evtchn_level in struct domain Wei Liu
2013-02-04 17:23 ` [PATCH V2 04/15] Bump EVTCHNS_PER_BUCKET to 512 Wei Liu
2013-02-04 17:23 ` [PATCH V2 05/15] Add evtchn_is_{pending, masked} and evtchn_clear_pending Wei Liu
2013-02-04 17:23 ` [PATCH V2 06/15] Introduce some macros for event channels Wei Liu
2013-02-04 17:23 ` Wei Liu [this message]
2013-02-04 17:23 ` [PATCH V2 08/15] Define N-level event channel registration interface Wei Liu
2013-02-04 17:23 ` [PATCH V2 09/15] Add control structures for 3-level event channel Wei Liu
2013-02-04 17:23 ` [PATCH V2 10/15] Make NR_EVTCHN_BUCKETS 3-level ready Wei Liu
2013-02-04 17:23 ` [PATCH V2 11/15] Genneralized event channel operations Wei Liu
2013-02-04 17:23 ` [PATCH V2 12/15] Infrastructure for manipulating 3-level event channel pages Wei Liu
2013-02-04 17:23 ` [PATCH V2 13/15] Implement 3-level event channel routines Wei Liu
2013-02-04 17:23 ` [PATCH V2 14/15] Only allow 3-level event channel on Dom0 and driver domain Wei Liu
2013-02-06 8:28 ` Jan Beulich
2013-02-04 17:23 ` [PATCH V2 15/15] libxl: add evtchn_l3 flag Wei Liu
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