Mailing List Archive

To remove a pci passthough device from QEMU (upstream).

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
tools/libxl/libxl_internal.h | 2 ++
tools/libxl/libxl_qmp.c | 35 +++++++++++++++++++++++++++++++++++
2 files changed, 37 insertions(+), 0 deletions(-)

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 1dff211..84da6b1 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -526,6 +526,8 @@ _hidden libxl__qmp_handler *libxl__qmp_initialize(libxl_ctx *ctx,
/* ask to QEMU the serial port information and store it in xenstore. */
_hidden int libxl__qmp_query_serial(libxl__qmp_handler *qmp);
_hidden int libxl__qmp_pci_add(libxl__gc *gc, int d, libxl_device_pci *pcidev);
+_hidden int libxl__qmp_pci_del(libxl__gc *gc, int domid,
+ libxl_device_pci *pcidev);
/* close and free the QMP handler */
_hidden void libxl__qmp_close(libxl__qmp_handler *qmp);
/* remove the socket file, if the file has already been removed,
diff --git a/tools/libxl/libxl_qmp.c b/tools/libxl/libxl_qmp.c
index eb5b6c2..2c63786 100644
--- a/tools/libxl/libxl_qmp.c
+++ b/tools/libxl/libxl_qmp.c
@@ -713,6 +713,41 @@ int libxl__qmp_pci_add(libxl__gc *gc, int domid, libxl_device_pci *pcidev)
return rc;
}

+static int qmp_device_del(libxl__gc *gc, int domid, char *id)
+{
+ libxl__qmp_handler *qmp = NULL;
+ flexarray_t *parameters = NULL;
+ libxl_key_value_list args = NULL;
+ int rc = 0;
+
+ qmp = libxl__qmp_initialize(libxl__gc_owner(gc), domid);
+ if (!qmp)
+ return ERROR_FAIL;
+
+ parameters = flexarray_make(2, 1);
+ flexarray_append_pair(parameters, "id", id);
+ args = libxl__xs_kvs_of_flexarray(gc, parameters, parameters->count);
+ if (!args)
+ return ERROR_NOMEM;
+
+ rc = qmp_synchronous_send(qmp, "device_del", &args,
+ NULL, NULL, qmp->timeout);
+
+ flexarray_free(parameters);
+ libxl__qmp_close(qmp);
+ return rc;
+}
+
+int libxl__qmp_pci_del(libxl__gc *gc, int domid, libxl_device_pci *pcidev)
+{
+ char *id = NULL;
+
+ id = libxl__sprintf(gc, PCI_PT_QDEV_ID,
+ pcidev->bus, pcidev->dev, pcidev->func);
+
+ return qmp_device_del(gc, domid, id);
+}
+
int libxl__qmp_initializations(libxl_ctx *ctx, uint32_t domid)
{
libxl__qmp_handler *qmp = NULL;
--
Anthony PERARD


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