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-rw-r--r--cmd/zfs.c171
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");