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efi: Improve logging in efi_disk

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When this fails it can be time-consuming to debug. Add some debugging
to help with this. Also try to return error codes instead of just using
-1.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2023-01-17 10:47:32 -07:00
committed by Tom Rini
parent 19efd43b0f
commit 3722cc973f
1 changed files with 21 additions and 9 deletions
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30
lib/efi_loader/efi_disk.c
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@@ -424,13 +424,16 @@ static efi_status_t efi_disk_add_dev(
if (!node) {
ret = EFI_OUT_OF_RESOURCES;
log_debug("no node\n");
goto error;
}
/* Parent must expose EFI_BLOCK_IO_PROTOCOL */
ret = efi_search_protocol(parent, &efi_block_io_guid, &handler);
if (ret != EFI_SUCCESS)
if (ret != EFI_SUCCESS) {
log_debug("search failed\n");
goto error;
}
/*
* Link the partition (child controller) to the block device
@@ -439,8 +442,10 @@ static efi_status_t efi_disk_add_dev(
ret = efi_protocol_open(handler, &protocol_interface, NULL,
&diskobj->header,
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER);
if (ret != EFI_SUCCESS)
goto error;
if (ret != EFI_SUCCESS) {
log_debug("prot open failed\n");
goto error;
}
diskobj->dp = efi_dp_append_node(dp_parent, node);
efi_free_pool(node);
@@ -471,8 +476,10 @@ static efi_status_t efi_disk_add_dev(
*/
esp_guid, NULL,
NULL);
if (ret != EFI_SUCCESS)
if (ret != EFI_SUCCESS) {
log_debug("install failed %lx\n", ret);
goto error;
}
/*
* On partitions or whole disks without partitions install the
@@ -485,8 +492,10 @@ static efi_status_t efi_disk_add_dev(
ret = efi_add_protocol(&diskobj->header,
&efi_simple_file_system_protocol_guid,
diskobj->volume);
if (ret != EFI_SUCCESS)
if (ret != EFI_SUCCESS) {
log_debug("simple FS failed\n");
return ret;
}
}
diskobj->ops = block_io_disk_template;
diskobj->dev_index = dev_index;
@@ -556,18 +565,21 @@ static int efi_disk_create_raw(struct udevice *dev, efi_handle_t agent_handle)
ret = efi_disk_add_dev(NULL, NULL, desc,
diskid, NULL, 0, &disk, agent_handle);
if (ret != EFI_SUCCESS) {
if (ret == EFI_NOT_READY)
if (ret == EFI_NOT_READY) {
log_notice("Disk %s not ready\n", dev->name);
else
ret = -EBUSY;
} else {
log_err("Adding disk for %s failed (err=%ld/%#lx)\n", dev->name, ret, ret);
ret = -ENOENT;
}
return -1;
return ret;
}
if (efi_link_dev(&disk->header, dev)) {
efi_free_pool(disk->dp);
efi_delete_handle(&disk->header);
return -1;
return -EINVAL;
}
return 0;