1 files changed, 171 insertions, 0 deletions
diff --git a/cmd/zfs.c b/cmd/zfs.c
new file mode 100644
index 0000000000..0aed29e9b2
--- /dev/null
+++ b/cmd/zfs.c
@@ -0,0 +1,171 @@
+/*
+ *
+ * ZFS filesystem porting to Uboot by
+ * Jorgen Lundman <lundman at lundman.net>
+ *
+ * zfsfs support
+ * made from existing GRUB Sources by Sun, GNU and others.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <part.h>
+#include <config.h>
+#include <command.h>
+#include <image.h>
+#include <linux/ctype.h>
+#include <asm/byteorder.h>
+#include <zfs_common.h>
+#include <linux/stat.h>
+#include <malloc.h>
+
+#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
+#include <usb.h>
+#endif
+
+#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
+#error DOS or EFI partition support must be selected
+#endif
+
+#define DOS_PART_MAGIC_OFFSET	0x1fe
+#define DOS_FS_TYPE_OFFSET	0x36
+#define DOS_FS32_TYPE_OFFSET	0x52
+
+static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	char *filename = NULL;
+	int dev;
+	int part;
+	ulong addr = 0;
+	disk_partition_t info;
+	block_dev_desc_t *dev_desc;
+	char buf[12];
+	unsigned long count;
+	const char *addr_str;
+	struct zfs_file zfile;
+	struct device_s vdev;
+
+	if (argc < 3)
+		return CMD_RET_USAGE;
+
+	count = 0;
+	addr = simple_strtoul(argv[3], NULL, 16);
+	filename = getenv("bootfile");
+	switch (argc) {
+	case 3:
+		addr_str = getenv("loadaddr");
+		if (addr_str != NULL)
+			addr = simple_strtoul(addr_str, NULL, 16);
+		else
+			addr = CONFIG_SYS_LOAD_ADDR;
+
+		break;
+	case 4:
+		break;
+	case 5:
+		filename = argv[4];
+		break;
+	case 6:
+		filename = argv[4];
+		count = simple_strtoul(argv[5], NULL, 16);
+		break;
+
+	default:
+		return cmd_usage(cmdtp);
+	}
+
+	if (!filename) {
+		puts("** No boot file defined **\n");
+		return 1;
+	}
+
+	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+	if (part < 0)
+		return 1;
+
+	dev = dev_desc->dev;
+	printf("Loading file \"%s\" from %s device %d%c%c\n",
+		filename, argv[1], dev,
+		part ? ':' : ' ', part ? part + '0' : ' ');
+
+	zfs_set_blk_dev(dev_desc, &info);
+	vdev.part_length = info.size;
+
+	memset(&zfile, 0, sizeof(zfile));
+	zfile.device = &vdev;
+	if (zfs_open(&zfile, filename)) {
+		printf("** File not found %s **\n", filename);
+		return 1;
+	}
+
+	if ((count < zfile.size) && (count != 0))
+		zfile.size = (uint64_t)count;
+
+	if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
+		printf("** Unable to read \"%s\" from %s %d:%d **\n",
+			   filename, argv[1], dev, part);
+		zfs_close(&zfile);
+		return 1;
+	}
+
+	zfs_close(&zfile);
+
+	/* Loading ok, update default load address */
+	load_addr = addr;
+
+	printf("%llu bytes read\n", zfile.size);
+	setenv_hex("filesize", zfile.size);
+
+	return 0;
+}
+
+
+int zfs_print(const char *entry, const struct zfs_dirhook_info *data)
+{
+	printf("%s %s\n",
+		   data->dir ? "<DIR> " : "		 ",
+		   entry);
+	return 0; /* 0 continue, 1 stop */
+}
+
+
+
+static int do_zfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	const char *filename = "/";
+	int part;
+	block_dev_desc_t *dev_desc;
+	disk_partition_t info;
+	struct device_s vdev;
+
+	if (argc < 2)
+		return cmd_usage(cmdtp);
+
+	if (argc == 4)
+		filename = argv[3];
+
+	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
+	if (part < 0)
+		return 1;
+
+	zfs_set_blk_dev(dev_desc, &info);
+	vdev.part_length = info.size;
+
+	zfs_ls(&vdev, filename,
+		   zfs_print);
+
+	return 0;
+}
+
+
+U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls,
+		   "list files in a directory (default /)",
+		   "<interface> <dev[:part]> [directory]\n"
+		   "	  - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");
+
+U_BOOT_CMD(zfsload, 6, 0, do_zfs_load,
+		   "load binary file from a ZFS filesystem",
+		   "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
+		   "	  - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
+		   "		 to address 'addr' from ZFS filesystem");