diff options
Diffstat (limited to 'src/userspace_io.c')
| -rw-r--r-- | src/userspace_io.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/src/userspace_io.c b/src/userspace_io.c index 4c34708..ef3bdc6 100644 --- a/src/userspace_io.c +++ b/src/userspace_io.c @@ -19,14 +19,21 @@ #include <drivers/driver_ops.h> #include <vfio_api.h> #include <mm_api.h> +#include <common.h> #include <drivers/r8169.h> /* FIXME modularize driver load */ extern const struct driver_ops r8169_ops; +static char help_msg[] = { + "\n" + " -d: device uuid\n" + " -i: device id in /dev/vfio\n" +}; + static void usage(char *name) { - printf("usage: %s <group id>\n", name); + printf("usage: %s [OPTIONS] \n%s\n", name, help_msg); } int main(int argc, char *argv[]) @@ -46,19 +53,22 @@ int main(int argc, char *argv[]) int ret, c; struct driver_ops exec_ops = r8169_ops; char *rx_buff[256]; + uint32_t opts = 0; - while ((c = getopt(argc, argv, "d:i:f:")) != -1) { + while ((c = getopt(argc, argv, "d:i:")) != -1) { switch (c) { case 'd': + strncpy(group_uuid, optarg, sizeof(group_uuid)); + opts |= OPT_UUID; break; case 'i': - break; - case 'f': + group_id = atoi(optarg); + opts |= OPT_DEV; break; } } - if (argc != 3) { + if ((opts & (OPT_UUID | OPT_DEV)) != (OPT_UUID | OPT_DEV)) { usage(argv[0]); return -1; } @@ -73,12 +83,10 @@ int main(int argc, char *argv[]) if (container < 0) goto out; - group_id = atoi(argv[1]); group = get_group(group_id); if (group < 0) goto out; - strncpy(group_uuid, argv[2], sizeof(group_uuid)); device = vfio_init_dev(group, container, &group_status, &iommu_info, &device_info, ®ion_info, group_uuid); |