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From: Roger Pau Monne <roger.pau@citrix.com>
To: xen-devel@lists.xen.org
Cc: Ian Jackson <ian.jackson@eu.citrix.com>,
	Roger Pau Monne <roger.pau@citrix.com>
Subject: [PATCH 05/13] libxl: move libxl_device_nic_add to libxl_device
Date: Wed, 16 May 2012 17:11:48 +0100	[thread overview]
Message-ID: <1337184716-49276-6-git-send-email-roger.pau@citrix.com> (raw)
In-Reply-To: <1337184716-49276-1-git-send-email-roger.pau@citrix.com>

Move the code of this function to libxl_device.c so it can be made
asyncronious later on the series. The static function
libxl__device_from_nic also has to be moved to libxl_device and it is
no longer static.

The code will be fixed in a latter patch, replacing libxl__sprintf,
LIBXL_LOG* and lines > 80.

Cc: Ian Jackson <ian.jackson@eu.citrix.com>
Signed-off-by: Roger Pau Monne <roger.pau@citrix.com>
---
 tools/libxl/libxl.c          |  108 +---------------------------------------
 tools/libxl/libxl_device.c   |  113 ++++++++++++++++++++++++++++++++++++++++++
 tools/libxl/libxl_internal.h |    6 ++
 3 files changed, 121 insertions(+), 106 deletions(-)

diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
index 2d8abd0..d3b6a53 100644
--- a/tools/libxl/libxl.c
+++ b/tools/libxl/libxl.c
@@ -1655,117 +1655,13 @@ int libxl__device_nic_setdefault(libxl__gc *gc, libxl_device_nic *nic)
     return 0;
 }
 
-static int libxl__device_from_nic(libxl__gc *gc, uint32_t domid,
-                                  libxl_device_nic *nic,
-                                  libxl__device *device)
-{
-    device->backend_devid    = nic->devid;
-    device->backend_domid    = nic->backend_domid;
-    device->backend_kind     = LIBXL__DEVICE_KIND_VIF;
-    device->devid            = nic->devid;
-    device->domid            = domid;
-    device->kind             = LIBXL__DEVICE_KIND_VIF;
-
-    return 0;
-}
-
 int libxl_device_nic_add(libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic)
 {
     GC_INIT(ctx);
-    flexarray_t *front;
-    flexarray_t *back;
-    libxl__device device;
-    char *dompath, **l;
-    unsigned int nb, rc;
-
-    rc = libxl__device_nic_setdefault(gc, nic);
-    if (rc) goto out;
-
-    front = flexarray_make(16, 1);
-    if (!front) {
-        rc = ERROR_NOMEM;
-        goto out;
-    }
-    back = flexarray_make(16, 1);
-    if (!back) {
-        rc = ERROR_NOMEM;
-        goto out_free;
-    }
-
-    if (nic->devid == -1) {
-        if (!(dompath = libxl__xs_get_dompath(gc, domid))) {
-            rc = ERROR_FAIL;
-            goto out_free;
-        }
-        if (!(l = libxl__xs_directory(gc, XBT_NULL,
-                                     libxl__sprintf(gc, "%s/device/vif", dompath), &nb))) {
-            nic->devid = 0;
-        } else {
-            nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
-        }
-    }
-
-    rc = libxl__device_from_nic(gc, domid, nic, &device);
-    if ( rc != 0 ) goto out_free;
-
-    flexarray_append(back, "frontend-id");
-    flexarray_append(back, libxl__sprintf(gc, "%d", domid));
-    flexarray_append(back, "online");
-    flexarray_append(back, "1");
-    flexarray_append(back, "state");
-    flexarray_append(back, libxl__sprintf(gc, "%d", 1));
-    if (nic->script) {
-        flexarray_append(back, "script");
-        flexarray_append(back, nic->script[0]=='/' ? nic->script
-                         : libxl__sprintf(gc, "%s/%s",
-                                          libxl__xen_script_dir_path(),
-                                          nic->script));
-    }
-
-    if (nic->ifname) {
-        flexarray_append(back, "vifname");
-        flexarray_append(back, nic->ifname);
-    }
-
-    flexarray_append(back, "mac");
-    flexarray_append(back,libxl__sprintf(gc,
-                                    LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nic->mac)));
-    if (nic->ip) {
-        flexarray_append(back, "ip");
-        flexarray_append(back, libxl__strdup(gc, nic->ip));
-    }
-
-    if (nic->rate_interval_usecs > 0) {
-        flexarray_append(back, "rate");
-        flexarray_append(back, libxl__sprintf(gc, "%"PRIu64",%"PRIu32"",
-                            nic->rate_bytes_per_interval,
-                            nic->rate_interval_usecs));
-    }
-
-    flexarray_append(back, "bridge");
-    flexarray_append(back, libxl__strdup(gc, nic->bridge));
-    flexarray_append(back, "handle");
-    flexarray_append(back, libxl__sprintf(gc, "%d", nic->devid));
+    int rc;
 
-    flexarray_append(front, "backend-id");
-    flexarray_append(front, libxl__sprintf(gc, "%d", nic->backend_domid));
-    flexarray_append(front, "state");
-    flexarray_append(front, libxl__sprintf(gc, "%d", 1));
-    flexarray_append(front, "handle");
-    flexarray_append(front, libxl__sprintf(gc, "%d", nic->devid));
-    flexarray_append(front, "mac");
-    flexarray_append(front, libxl__sprintf(gc,
-                                    LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nic->mac)));
-    libxl__device_generic_add(gc, &device,
-                             libxl__xs_kvs_of_flexarray(gc, back, back->count),
-                             libxl__xs_kvs_of_flexarray(gc, front, front->count));
+    rc = libxl__device_nic_add(gc, domid, nic);
 
-    /* FIXME: wait for plug */
-    rc = 0;
-out_free:
-    flexarray_free(back);
-    flexarray_free(front);
-out:
     GC_FREE;
     return rc;
 }
diff --git a/tools/libxl/libxl_device.c b/tools/libxl/libxl_device.c
index 304929a..edc4ad1 100644
--- a/tools/libxl/libxl_device.c
+++ b/tools/libxl/libxl_device.c
@@ -408,6 +408,119 @@ out:
     return rc;
 }
 
+int libxl__device_from_nic(libxl__gc *gc, uint32_t domid,
+                           libxl_device_nic *nic,
+                           libxl__device *device)
+{
+    device->backend_devid    = nic->devid;
+    device->backend_domid    = nic->backend_domid;
+    device->backend_kind     = LIBXL__DEVICE_KIND_VIF;
+    device->devid            = nic->devid;
+    device->domid            = domid;
+    device->kind             = LIBXL__DEVICE_KIND_VIF;
+
+    return 0;
+}
+
+int libxl__device_nic_add(libxl__gc *gc, uint32_t domid, libxl_device_nic *nic)
+{
+    flexarray_t *front;
+    flexarray_t *back;
+    libxl__device device;
+    char *dompath, **l;
+    unsigned int nb, rc;
+
+    rc = libxl__device_nic_setdefault(gc, nic);
+    if (rc) goto out;
+
+    front = flexarray_make(16, 1);
+    if (!front) {
+        rc = ERROR_NOMEM;
+        goto out;
+    }
+    back = flexarray_make(16, 1);
+    if (!back) {
+        rc = ERROR_NOMEM;
+        goto out_free;
+    }
+
+    if (nic->devid == -1) {
+        if (!(dompath = libxl__xs_get_dompath(gc, domid))) {
+            rc = ERROR_FAIL;
+            goto out_free;
+        }
+        if (!(l = libxl__xs_directory(gc, XBT_NULL,
+                                     libxl__sprintf(gc, "%s/device/vif", dompath), &nb))) {
+            nic->devid = 0;
+        } else {
+            nic->devid = strtoul(l[nb - 1], NULL, 10) + 1;
+        }
+    }
+
+    rc = libxl__device_from_nic(gc, domid, nic, &device);
+    if ( rc != 0 ) goto out_free;
+
+    flexarray_append(back, "frontend-id");
+    flexarray_append(back, libxl__sprintf(gc, "%d", domid));
+    flexarray_append(back, "online");
+    flexarray_append(back, "1");
+    flexarray_append(back, "state");
+    flexarray_append(back, libxl__sprintf(gc, "%d", 1));
+    if (nic->script) {
+        flexarray_append(back, "script");
+        flexarray_append(back, nic->script[0]=='/' ? nic->script
+                         : libxl__sprintf(gc, "%s/%s",
+                                          libxl__xen_script_dir_path(),
+                                          nic->script));
+    }
+
+    if (nic->ifname) {
+        flexarray_append(back, "vifname");
+        flexarray_append(back, nic->ifname);
+    }
+
+    flexarray_append(back, "mac");
+    flexarray_append(back,libxl__sprintf(gc,
+                                    LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nic->mac)));
+    if (nic->ip) {
+        flexarray_append(back, "ip");
+        flexarray_append(back, libxl__strdup(gc, nic->ip));
+    }
+
+    if (nic->rate_interval_usecs > 0) {
+        flexarray_append(back, "rate");
+        flexarray_append(back, libxl__sprintf(gc, "%"PRIu64",%"PRIu32"",
+                            nic->rate_bytes_per_interval,
+                            nic->rate_interval_usecs));
+    }
+
+    flexarray_append(back, "bridge");
+    flexarray_append(back, libxl__strdup(gc, nic->bridge));
+    flexarray_append(back, "handle");
+    flexarray_append(back, libxl__sprintf(gc, "%d", nic->devid));
+
+    flexarray_append(front, "backend-id");
+    flexarray_append(front, libxl__sprintf(gc, "%d", nic->backend_domid));
+    flexarray_append(front, "state");
+    flexarray_append(front, libxl__sprintf(gc, "%d", 1));
+    flexarray_append(front, "handle");
+    flexarray_append(front, libxl__sprintf(gc, "%d", nic->devid));
+    flexarray_append(front, "mac");
+    flexarray_append(front, libxl__sprintf(gc,
+                                    LIBXL_MAC_FMT, LIBXL_MAC_BYTES(nic->mac)));
+    libxl__device_generic_add(gc, &device,
+                             libxl__xs_kvs_of_flexarray(gc, back, back->count),
+                             libxl__xs_kvs_of_flexarray(gc, front, front->count));
+
+    /* FIXME: wait for plug */
+    rc = 0;
+out_free:
+    flexarray_free(back);
+    flexarray_free(front);
+out:
+    return rc;
+}
+
 int libxl__device_physdisk_major_minor(const char *physpath, int *major, int *minor)
 {
     struct stat buf;
diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 87c9366..0ddfe72 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -786,6 +786,12 @@ _hidden int libxl__device_from_disk(libxl__gc *gc, uint32_t domid,
 _hidden int libxl__device_disk_add(libxl__gc *gc, uint32_t domid,
                                    libxl_device_disk *disk);
 
+_hidden int libxl__device_from_nic(libxl__gc *gc, uint32_t domid,
+                                   libxl_device_nic *nic,
+                                   libxl__device *device);
+_hidden int libxl__device_nic_add(libxl__gc *gc, uint32_t domid,
+                                  libxl_device_nic *nic);
+
 _hidden int libxl__device_physdisk_major_minor(const char *physpath, int *major, int *minor);
 _hidden int libxl__device_disk_dev_number(const char *virtpath,
                                           int *pdisk, int *ppartition);
-- 
1.7.7.5 (Apple Git-26)

  parent reply	other threads:[~2012-05-16 16:11 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-16 16:11 [PATCH 0/13] execute hotplug scripts from libxl Roger Pau Monne
2012-05-16 16:11 ` [PATCH 01/13] libxl: pass env vars to libxl__exec Roger Pau Monne
2012-05-18 16:02   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 02/13] libxl: fix libxl__xs_directory usage of transaction Roger Pau Monne
2012-05-18 16:03   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 03/13] libxl: add libxl__xs_path_cleanup Roger Pau Monne
2012-05-18 16:06   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 04/13] libxl: move libxl_device_disk_add to libxl_device Roger Pau Monne
2012-05-16 16:11 ` Roger Pau Monne [this message]
2012-05-16 16:11 ` [PATCH 06/13] libxl: cleanup libxl__device_{disk, nic}_add Roger Pau Monne
2012-05-18 16:07   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 07/13] libxl: convert libxl_domain_destroy to an AO op Roger Pau Monne
2012-05-18 16:19   ` Ian Jackson
2012-05-18 16:24   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 08/13] libxl: convert libxl_device_disk_add to an async operation Roger Pau Monne
2012-05-18 16:33   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 09/13] libxl: convert libxl_device_nic_add " Roger Pau Monne
2012-05-18 16:38   ` Ian Jackson
2012-05-22 13:49     ` Roger Pau Monne
2012-05-22 14:04       ` Ian Jackson
2012-05-16 16:11 ` [PATCH 10/13] libxl: add option to choose who executes hotplug scripts Roger Pau Monne
2012-05-18 16:40   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 11/13] libxl: set nic type to VIF by default Roger Pau Monne
2012-05-18 16:41   ` Ian Jackson
2012-05-21 16:29     ` Roger Pau Monne
2012-05-29 14:40       ` Ian Jackson
2012-05-29 14:46         ` Ian Campbell
2012-05-29 15:02           ` Ian Jackson
2012-05-29 15:06             ` Ian Campbell
2012-05-30 12:03           ` Roger Pau Monne
2012-06-07 14:30             ` Ian Jackson
2012-06-11 14:05               ` Roger Pau Monne
2012-05-16 16:11 ` [PATCH 12/13] libxl: call hotplug scripts for disk devices from libxl Roger Pau Monne
2012-05-18 16:51   ` Ian Jackson
2012-05-16 16:11 ` [PATCH 13/13] libxl: call hotplug scripts for nic " Roger Pau Monne

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