Add a bootdev for virtio so that these devices can be used with standard boot.
Signed-off-by: Simon Glass sjg@chromium.org ---
drivers/virtio/virtio-uclass.c | 50 ++++++++++++++++++++++++++++++++++ test/boot/bootdev.c | 12 ++++---- 2 files changed, 57 insertions(+), 5 deletions(-)
diff --git a/drivers/virtio/virtio-uclass.c b/drivers/virtio/virtio-uclass.c index a6bff630ca8..27efac0d48e 100644 --- a/drivers/virtio/virtio-uclass.c +++ b/drivers/virtio/virtio-uclass.c @@ -18,6 +18,7 @@ #define LOG_CATEGORY UCLASS_VIRTIO
#include <common.h> +#include <bootdev.h> #include <dm.h> #include <log.h> #include <malloc.h> @@ -246,6 +247,12 @@ static int virtio_uclass_post_probe(struct udevice *udev) } device_set_name_alloced(vdev);
+ if (uc_priv->device == VIRTIO_ID_BLOCK) { + ret = bootdev_setup_for_dev(udev, name); + if (ret) + return log_msg_ret("bootdev", ret); + } + INIT_LIST_HEAD(&uc_priv->vqs);
return 0; @@ -349,6 +356,26 @@ static int virtio_uclass_child_post_probe(struct udevice *vdev) return 0; }
+static int virtio_bootdev_bind(struct udevice *dev) +{ + struct bootdev_uc_plat *ucp = dev_get_uclass_plat(dev); + + ucp->prio = BOOTDEVP_2_SCAN_FAST; + + return 0; +} + +static int virtio_bootdev_hunt(struct bootdev_hunter *info, bool show) +{ + int ret; + + ret = uclass_probe_all(UCLASS_VIRTIO); + if (ret && ret != -ENOENT) + return log_msg_ret("vir", ret); + + return 0; +} + UCLASS_DRIVER(virtio) = { .name = "virtio", .id = UCLASS_VIRTIO, @@ -360,3 +387,26 @@ UCLASS_DRIVER(virtio) = { .child_post_probe = virtio_uclass_child_post_probe, .per_device_auto = sizeof(struct virtio_dev_priv), }; + +struct bootdev_ops virtio_bootdev_ops = { +}; + +static const struct udevice_id virtio_bootdev_ids[] = { + { .compatible = "u-boot,bootdev-virtio" }, + { } +}; + +U_BOOT_DRIVER(virtio_bootdev) = { + .name = "virtio_bootdev", + .id = UCLASS_BOOTDEV, + .ops = &virtio_bootdev_ops, + .bind = virtio_bootdev_bind, + .of_match = virtio_bootdev_ids, +}; + +BOOTDEV_HUNTER(virtio_bootdev_hunter) = { + .prio = BOOTDEVP_2_SCAN_FAST, + .uclass = UCLASS_VIRTIO, + .hunt = virtio_bootdev_hunt, + .drv = DM_DRIVER_REF(virtio_bootdev), +}; diff --git a/test/boot/bootdev.c b/test/boot/bootdev.c index 6f150175f69..2ad31a0ef66 100644 --- a/test/boot/bootdev.c +++ b/test/boot/bootdev.c @@ -244,7 +244,8 @@ static int bootdev_test_hunter(struct unit_test_state *uts) ut_assert_nextline(" 30 nvme nvme_bootdev"); ut_assert_nextline(" 30 scsi scsi_bootdev"); ut_assert_nextline(" 40 usb usb_bootdev"); - ut_assert_nextline("(total hunters: 6)"); + ut_assert_nextline(" 30 virtio virtio_bootdev"); + ut_assert_nextline("(total hunters: 7)"); ut_assert_console_end();
ut_assertok(bootdev_hunt("usb1", false)); @@ -273,7 +274,7 @@ static int bootdev_test_cmd_hunt(struct unit_test_state *uts) ut_assertok(run_command("bootdev hunt -l", 0)); ut_assert_nextline("Prio Used Uclass Hunter"); ut_assert_nextlinen("----"); - ut_assert_skip_to_line("(total hunters: 6)"); + ut_assert_skip_to_line("(total hunters: 7)"); ut_assert_console_end();
/* Scan all hunters */ @@ -290,6 +291,7 @@ static int bootdev_test_cmd_hunt(struct unit_test_state *uts) ut_assert_skip_to_line("Hunting with: usb"); ut_assert_nextline( "Bus usb@1: scanning bus usb@1 for devices... 5 USB Device(s) found"); + ut_assert_skip_to_line("Hunting with: virtio"); ut_assert_console_end();
/* List available hunters */ @@ -302,11 +304,11 @@ static int bootdev_test_cmd_hunt(struct unit_test_state *uts) ut_assert_nextline(" 30 * nvme nvme_bootdev"); ut_assert_nextline(" 30 * scsi scsi_bootdev"); ut_assert_nextline(" 40 * usb usb_bootdev"); - - ut_assert_nextline("(total hunters: 6)"); + ut_assert_nextline(" 30 * virtio virtio_bootdev"); + ut_assert_nextline("(total hunters: 7)"); ut_assert_console_end();
- ut_asserteq(GENMASK(5, 0), std->hunters_used); + ut_asserteq(GENMASK(6, 0), std->hunters_used);
return 0; }