diff options
Diffstat (limited to 'tests/qtest/vhost-user-test.c')
| -rw-r--r-- | tests/qtest/vhost-user-test.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tests/qtest/vhost-user-test.c b/tests/qtest/vhost-user-test.c index 4f4fcc0..e8d2da7 100644 --- a/tests/qtest/vhost-user-test.c +++ b/tests/qtest/vhost-user-test.c @@ -32,6 +32,7 @@ #include "standard-headers/linux/vhost_types.h" #include "standard-headers/linux/virtio_ids.h" #include "standard-headers/linux/virtio_net.h" +#include "standard-headers/linux/virtio_gpio.h" #ifdef CONFIG_LINUX #include <sys/vfs.h> @@ -53,9 +54,12 @@ #define VHOST_MAX_VIRTQUEUES 0x100 #define VHOST_USER_F_PROTOCOL_FEATURES 30 +#define VIRTIO_F_VERSION_1 32 + #define VHOST_USER_PROTOCOL_F_MQ 0 #define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1 #define VHOST_USER_PROTOCOL_F_CROSS_ENDIAN 6 +#define VHOST_USER_PROTOCOL_F_CONFIG 9 #define VHOST_LOG_PAGE 0x1000 @@ -140,6 +144,7 @@ enum { enum { VHOST_USER_NET, + VHOST_USER_GPIO, }; typedef struct TestServer { @@ -198,6 +203,19 @@ static void append_vhost_net_opts(TestServer *s, GString *cmd_line, chr_opts, s->chr_name); } +/* + * For GPIO there are no other magic devices we need to add (like + * block or netdev) so all we need to worry about is the vhost-user + * chardev socket. + */ +static void append_vhost_gpio_opts(TestServer *s, GString *cmd_line, + const char *chr_opts) +{ + g_string_append_printf(cmd_line, QEMU_CMD_CHR, + s->chr_name, s->socket_path, + chr_opts); +} + static void append_mem_opts(TestServer *server, GString *cmd_line, int size, enum test_memfd memfd) { @@ -1090,3 +1108,51 @@ static void register_vhost_user_test(void) test_multiqueue, &opts); } libqos_init(register_vhost_user_test); + +static uint64_t vu_gpio_get_features(TestServer *s) +{ + return 0x1ULL << VIRTIO_F_VERSION_1 | + 0x1ULL << VIRTIO_GPIO_F_IRQ | + 0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES; +} + +/* + * This stub can't handle all the message types but we should reply + * that we support VHOST_USER_PROTOCOL_F_CONFIG as gpio would use it + * talking to a read vhost-user daemon. + */ +static void vu_gpio_get_protocol_features(TestServer *s, CharBackend *chr, + VhostUserMsg *msg) +{ + /* send back features to qemu */ + msg->flags |= VHOST_USER_REPLY_MASK; + msg->size = sizeof(m.payload.u64); + msg->payload.u64 = 1ULL << VHOST_USER_PROTOCOL_F_CONFIG; + + qemu_chr_fe_write_all(chr, (uint8_t *)msg, VHOST_USER_HDR_SIZE + msg->size); +} + +static struct vhost_user_ops g_vu_gpio_ops = { + .type = VHOST_USER_GPIO, + + .append_opts = append_vhost_gpio_opts, + + .get_features = vu_gpio_get_features, + .set_features = vu_net_set_features, + .get_protocol_features = vu_gpio_get_protocol_features, +}; + +static void register_vhost_gpio_test(void) +{ + QOSGraphTestOptions opts = { + .before = vhost_user_test_setup, + .subprocess = true, + .arg = &g_vu_gpio_ops, + }; + + qemu_add_opts(&qemu_chardev_opts); + + qos_add_test("read-guest-mem/memfile", + "vhost-user-gpio", test_read_guest_mem, &opts); +} +libqos_init(register_vhost_gpio_test); |