Merge tag 'efi-2022-07-rc6' of https://source.denx.de/u-boot/custodians/u-boot-efi

Pull request for efi-2022-07-rc6

UEFI:

* Fix EFI_IO_BLOCK_PROTOCOL: read correct blocks on partitions

Other:

* Honor CONFIG_SYS_64BIT_LBA in the disk uclass

disk/disk-uclass.c

@@ -8,6 +8,7 @@
 
 #define LOG_CATEGORY UCLASS_PARTITION
 
+#include <common.h>
 #include <blk.h>
 #include <dm.h>
 #include <log.h>

lib/efi_loader/efi_disk.c

@@ -35,7 +35,6 @@ const efi_guid_t efi_system_partition_guid = PARTITION_SYSTEM_GUID;
  * @dp:		device path to the block device
  * @part:	partition
  * @volume:	simple file system protocol of the partition
- * @offset:	offset into disk for simple partition
  * @dev:	associated DM device
  */
 struct efi_disk_obj {
@@ -47,7 +46,6 @@ struct efi_disk_obj {
 	struct efi_device_path *dp;
 	unsigned int part;
 	struct efi_simple_file_system_protocol *volume;
-	lbaint_t offset;
 	struct udevice *dev; /* TODO: move it to efi_object */
 };
 
@@ -117,7 +115,6 @@ static efi_status_t efi_disk_rw_blocks(struct efi_block_io *this,
 	diskobj = container_of(this, struct efi_disk_obj, ops);
 	blksz = diskobj->media.block_size;
 	blocks = buffer_size / blksz;
-	lba += diskobj->offset;
 
 	EFI_PRINT("blocks=%x lba=%llx blksz=%x dir=%d\n",
 		  blocks, lba, blksz, direction);
@@ -440,13 +437,11 @@ static efi_status_t efi_disk_add_dev(
 
 		diskobj->dp = efi_dp_append_node(dp_parent, node);
 		efi_free_pool(node);
-		diskobj->offset = part_info->start;
 		diskobj->media.last_block = part_info->size - 1;
 		if (part_info->bootable & PART_EFI_SYSTEM_PARTITION)
 			guid = &efi_system_partition_guid;
 	} else {
 		diskobj->dp = efi_dp_from_part(desc, part);
-		diskobj->offset = 0;
 		diskobj->media.last_block = desc->lba - 1;
 	}
 	diskobj->part = part;
@@ -501,12 +496,11 @@ static efi_status_t efi_disk_add_dev(
 		*disk = diskobj;
 
 	EFI_PRINT("BlockIO: part %u, present %d, logical %d, removable %d"
-		  ", offset " LBAF ", last_block %llu\n",
+		  ", last_block %llu\n",
 		  diskobj->part,
 		  diskobj->media.media_present,
 		  diskobj->media.logical_partition,
 		  diskobj->media.removable_media,
-		  diskobj->offset,
 		  diskobj->media.last_block);
 
 	/* Store first EFI system partition */

lib/efi_selftest/efi_selftest_block_device.c

@@ -11,6 +11,8 @@
  * ConnectController is used to setup partitions and to install the simple
  * file protocol.
  * A known file is read from the file system and verified.
+ * The same block is read via the EFI_BLOCK_IO_PROTOCOL and compared to the file
+ * contents.
  */
 
 #include <efi_selftest.h>
@@ -312,6 +314,7 @@ static int execute(void)
 	char buf[16] __aligned(ARCH_DMA_MINALIGN);
 	u32 part1_size;
 	u64 pos;
+	char block_io_aligned[1 << LB_BLOCK_SIZE] __aligned(1 << LB_BLOCK_SIZE);
 
 	/* Connect controller to virtual disk */
 	ret = boottime->connect_controller(disk_handle, NULL, NULL, 1);
@@ -449,6 +452,30 @@ static int execute(void)
 		return EFI_ST_FAILURE;
 	}
 
+	/*
+	 * Test that read_blocks() can read same file data.
+	 *
+	 * In the test data, the partition starts at block 1 and the file
+	 * hello.txt with the content 'Hello world!' is located at 0x5000
+	 * of the disk. Here we read block 0x27 (offset 0x4e00 of the
+	 * partition) and expect the string 'Hello world!' to be at the
+	 * start of block.
+	 */
+	ret = block_io_protocol->read_blocks(block_io_protocol,
+				      block_io_protocol->media->media_id,
+				      (0x5000 >> LB_BLOCK_SIZE) - 1,
+				      block_io_protocol->media->block_size,
+				      block_io_aligned);
+	if (ret != EFI_SUCCESS) {
+		efi_st_error("ReadBlocks failed\n");
+		return EFI_ST_FAILURE;
+	}
+
+	if (memcmp(block_io_aligned + 1, buf, 11)) {
+		efi_st_error("Unexpected block content\n");
+		return EFI_ST_FAILURE;
+	}
+
 #ifdef CONFIG_FAT_WRITE
 	/* Write file */
 	ret = root->open(root, &file, u"u-boot.txt", EFI_FILE_MODE_READ |