[PATCH 22/71] efi: Improve logging in efi_disk
Simon Glass
sjg at chromium.org
Wed Dec 7 09:50:48 CET 2022
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 at chromium.org>
---
lib/efi_loader/efi_disk.c | 30 +++++++++++++++++++++---------
1 file changed, 21 insertions(+), 9 deletions(-)
diff --git a/lib/efi_loader/efi_disk.c b/lib/efi_loader/efi_disk.c
index 7ea0334083f..37123dd2474 100644
--- a/lib/efi_loader/efi_disk.c
+++ b/lib/efi_loader/efi_disk.c
@@ -421,13 +421,16 @@ 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
@@ -436,8 +439,10 @@ 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);
@@ -468,8 +473,10 @@ 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
@@ -482,8 +489,10 @@ 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;
@@ -552,18 +561,21 @@ static int efi_disk_create_raw(struct udevice *dev)
ret = efi_disk_add_dev(NULL, NULL, desc,
diskid, NULL, 0, &disk);
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;
--
2.39.0.rc0.267.gcb52ba06e7-goog
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