[PATCH 2/7] libxenlight resend: disc and nic destroy calls

[Andres Lagar-Cavilla <andres@lagarcavilla.com>]

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Expose disk and nic device destroy calls, to allow
hot unplugging of devices from domains.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.com>


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# HG changeset patch
# User Andres Lagar-Cavilla <andres@lagarcavilla.com>
# Date 1259038343 18000
# Node ID 70f6966c89bf7f2c1db78a814452e1de79044962
# Parent  68b17d151db6c9a31ca55c359742f0d3515a0a5a
Expose disk and nic device destroy calls, to allow
hot unplugging of devices from domains.

Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.com>

diff -r 68b17d151db6 -r 70f6966c89bf libxl.c
--- a/libxl.c
+++ b/libxl.c
@@ -1111,6 +1111,23 @@ int libxl_device_disk_add(struct libxl_c
     return 0;
 }
 
+int libxl_device_disk_del(struct libxl_ctx *ctx, 
+                          libxl_device_disk *disk, int wait)
+{
+    libxl_device device;
+    int devid;
+
+    devid = device_disk_dev_number(disk->virtpath);
+    device.backend_domid    = disk->backend_domid;
+    device.backend_devid    = devid;
+    device.backend_kind     = 
+        (disk->phystype == PHYSTYPE_PHY) ? DEVICE_VBD : DEVICE_TAP;
+    device.domid            = disk->domid;
+    device.devid            = devid;
+    device.kind             = DEVICE_VBD;
+    return libxl_device_del(ctx, &device, wait);
+}
+
 int libxl_device_disk_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
 {
     return ERROR_NI;
@@ -1184,6 +1201,21 @@ int libxl_device_nic_add(struct libxl_ct
     return 0;
 }
 
+int libxl_device_nic_del(struct libxl_ctx *ctx, 
+                         libxl_device_nic *nic, int wait)
+{
+    libxl_device device;
+
+    device.backend_devid    = nic->devid;
+    device.backend_domid    = nic->backend_domid;
+    device.backend_kind     = DEVICE_VIF;
+    device.devid            = nic->devid;
+    device.domid            = nic->domid;
+    device.kind             = DEVICE_VIF;
+
+    return libxl_device_del(ctx, &device, wait);
+}
+
 int libxl_device_nic_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid)
 {
     return ERROR_NI;
diff -r 68b17d151db6 -r 70f6966c89bf libxl.h
--- a/libxl.h
+++ b/libxl.h
@@ -295,10 +295,12 @@ int libxl_detach_device_model(struct lib
   /* DM is detached even if error is returned */
 
 int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_disk *disk);
+int libxl_device_disk_del(struct libxl_ctx *ctx, libxl_device_disk *disk, int wait);
 int libxl_device_disk_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid);
 int libxl_device_disk_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid);
 
 int libxl_device_nic_add(struct libxl_ctx *ctx, uint32_t domid, libxl_device_nic *nic);
+int libxl_device_nic_del(struct libxl_ctx *ctx, libxl_device_nic *nic, int wait);
 int libxl_device_nic_clean_shutdown(struct libxl_ctx *ctx, uint32_t domid);
 int libxl_device_nic_hard_shutdown(struct libxl_ctx *ctx, uint32_t domid);
 

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