From: Andres Lagar-Cavilla <andres@lagarcavilla.org>
To: xen-devel@lists.xensource.com
Cc: ian.jackson@citrix.com, andres@gridcentric.ca, tim@xen.org,
ian.campbell@citrix.com, adin@gridcentric.ca
Subject: [PATCH 1 of 8] Tools: Do not assume sharing target is dom0 in libxc wrappers
Date: Fri, 09 Dec 2011 18:15:51 -0500 [thread overview]
Message-ID: <6f58de995103b7bf4153.1323472551@xdev.gridcentric.ca> (raw)
In-Reply-To: <patchbomb.1323472550@xdev.gridcentric.ca>
tools/libxc/xc_memshr.c | 3 ++-
tools/libxc/xenctrl.h | 1 +
2 files changed, 3 insertions(+), 1 deletions(-)
The libxc wrapper that shares two pages always assumed one
of the pages was mapped by dom0. Expand the API to specify
both sharing domains.
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
diff -r 835be7c121b7 -r 6f58de995103 tools/libxc/xc_memshr.c
--- a/tools/libxc/xc_memshr.c
+++ b/tools/libxc/xc_memshr.c
@@ -87,6 +87,7 @@ int xc_memshr_nominate_gref(xc_interface
}
int xc_memshr_share(xc_interface *xch,
+ uint32_t source_domain,
uint64_t source_handle,
uint64_t client_handle)
{
@@ -95,7 +96,7 @@ int xc_memshr_share(xc_interface *xch,
domctl.cmd = XEN_DOMCTL_mem_sharing_op;
domctl.interface_version = XEN_DOMCTL_INTERFACE_VERSION;
- domctl.domain = 0;
+ domctl.domain = (domid_t) source_domain;
op = &(domctl.u.mem_sharing_op);
op->op = XEN_DOMCTL_MEM_EVENT_OP_SHARING_SHARE;
op->u.share.source_handle = source_handle;
diff -r 835be7c121b7 -r 6f58de995103 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -1892,6 +1892,7 @@ int xc_memshr_nominate_gref(xc_interface
grant_ref_t gref,
uint64_t *handle);
int xc_memshr_share(xc_interface *xch,
+ uint32_t source_domain,
uint64_t source_handle,
uint64_t client_handle);
int xc_memshr_domain_resume(xc_interface *xch,
next prev parent reply other threads:[~2011-12-09 23:15 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-09 23:15 [PATCH 0 of 8] Tools: Memory sharing interface updates Andres Lagar-Cavilla
2011-12-09 23:15 ` Andres Lagar-Cavilla [this message]
2011-12-12 9:50 ` [PATCH 1 of 8] Tools: Do not assume sharing target is dom0 in libxc wrappers Ian Campbell
2011-12-09 23:15 ` [PATCH 2 of 8] Tools: Update libxc mem sharing interface Andres Lagar-Cavilla
2011-12-12 9:56 ` Ian Campbell
2011-12-09 23:15 ` [PATCH 3 of 8] Tools: Update memshr tool to use new sharing API Andres Lagar-Cavilla
2011-12-12 10:13 ` Ian Campbell
2011-12-13 4:18 ` Andres Lagar-Cavilla
2011-12-12 12:14 ` Ian Jackson
2011-12-09 23:15 ` [PATCH 4 of 8] Tools: Add a sharing command to xl for information about shared pages Andres Lagar-Cavilla
2011-12-12 10:26 ` Ian Campbell
2011-12-09 23:15 ` [PATCH 5 of 8] Tools: Expose to libxc the total number of shared frames and space saved Andres Lagar-Cavilla
2011-12-12 10:39 ` Ian Campbell
2011-12-13 3:43 ` Andres Lagar-Cavilla
2011-12-13 17:08 ` Adin Scannell
2011-12-14 10:47 ` Ian Campbell
2011-12-09 23:15 ` [PATCH 6 of 8] Tools: Allow libxl/xl to expose " Andres Lagar-Cavilla
2011-12-12 10:43 ` Ian Campbell
2011-12-13 17:13 ` Adin Scannell
2011-12-09 23:15 ` [PATCH 7 of 8] Tools: Libxc wrappers to add shared pages to physmap Andres Lagar-Cavilla
2011-12-12 10:48 ` Ian Campbell
2011-12-12 10:50 ` Ian Campbell
2011-12-09 23:15 ` [PATCH 8 of 8] Tools: Libxc wrapper for the new sharing audit domctl Andres Lagar-Cavilla
2011-12-12 10:52 ` Ian Campbell
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