Add support for closing raw device allocated during platform probe.
Signed-off-by: Tomasz Duszynski <tduszyn...@marvell.com>
---
drivers/raw/vfio_platform/vfio_platform.c | 49 +++++++++++++++++++++++
1 file changed, 49 insertions(+)
diff --git a/drivers/raw/vfio_platform/vfio_platform.c
b/drivers/raw/vfio_platform/vfio_platform.c
index b056041892..ae0572dc99 100644
--- a/drivers/raw/vfio_platform/vfio_platform.c
+++ b/drivers/raw/vfio_platform/vfio_platform.c
@@ -3,6 +3,8 @@
*/
#include <errno.h>
+#include <sys/mman.h>
+#include <unistd.h>
#include <rte_bus_platform.h>
#include <rte_common.h>
@@ -17,6 +19,8 @@
#include "vfio_platform.h"
+#define VFIO_PLATFORM_SYSFS_BASE "/sys/bus/platform/devices"
+
static struct {
int container_fd;
int refcnt;
@@ -52,6 +56,12 @@ container_get(int index)
container_tbl[index].refcnt++;
}
+static int
+container_fd(int index)
+{
+ return container_tbl[index].container_fd;
+}
+
int
rte_pmd_vfio_platform_container_create(void)
{
@@ -82,7 +92,46 @@ rte_pmd_vfio_platform_container_destroy(int container)
return 0;
}
+static void
+device_release_maps(struct vfio_platform *plat)
+{
+ struct vfio_platform_resource *res;
+ int i;
+
+ for (i = 0; i < plat->num_resource; i++) {
+ res = &plat->resource[i];
+ munmap(res->mem.addr, res->mem.len);
+ free((void *)(size_t)res->name);
+ }
+
+ free(plat->resource);
+ plat->resource = NULL;
+ plat->num_resource = 0;
+}
+
+static void
+device_release(struct vfio_platform *plat)
+{
+ device_release_maps(plat);
+ rte_vfio_release_device(VFIO_PLATFORM_SYSFS_BASE, plat->device->name,
plat->dev_fd);
+ rte_vfio_container_group_unbind(container_fd(plat->container),
plat->group);
+ close(plat->group_fd);
+ rte_vfio_clear_group(plat->group_fd);
+ container_put(plat->container);
+}
+
+static int
+vfio_rawdev_dev_close(struct rte_rawdev *dev)
+{
+ struct vfio_platform *plat = dev->dev_private;
+
+ device_release(plat);
+
+ return 0;
+}
+
static const struct rte_rawdev_ops vfio_platform_rawdev_ops = {
+ .dev_close = vfio_rawdev_dev_close,
};
static int
--
2.25.1
