fs/squashfs: new filesystem

[pandora-u-boot.git] / fs / fs.c

diff --git a/fs/fs.c b/fs/fs.c
index 736ebef..5b31a36 100644 (file)
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -3,9 +3,13 @@
  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
  */
 
+#include <command.h>
 #include <config.h>
 #include <errno.h>
 #include <common.h>
+#include <env.h>
+#include <lmb.h>
+#include <log.h>
 #include <mapmem.h>
 #include <part.h>
 #include <ext4fs.h>
@@ -17,16 +21,18 @@
 #include <asm/io.h>
 #include <div64.h>
 #include <linux/math64.h>
+#include <efi_loader.h>
+#include <squashfs.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 static struct blk_desc *fs_dev_desc;
 static int fs_dev_part;
-static disk_partition_t fs_partition;
+static struct disk_partition fs_partition;
 static int fs_type = FS_TYPE_ANY;
 
 static inline int fs_probe_unsupported(struct blk_desc *fs_dev_desc,
-                                     disk_partition_t *fs_partition)
+                                     struct disk_partition *fs_partition)
 {
        printf("** Unrecognized filesystem type **\n");
        return -1;
@@ -133,7 +139,7 @@ struct fstype_info {
         */
        bool null_dev_desc_ok;
        int (*probe)(struct blk_desc *fs_dev_desc,
-                    disk_partition_t *fs_partition);
+                    struct disk_partition *fs_partition);
        int (*ls)(const char *dirname);
        int (*exists)(const char *filename);
        int (*size)(const char *filename, loff_t *size);
@@ -271,6 +277,20 @@ static struct fstype_info fstypes[] = {
                .mkdir = fs_mkdir_unsupported,
                .ln = fs_ln_unsupported,
        },
+#endif
+#if IS_ENABLED(CONFIG_FS_SQUASHFS)
+       {
+               .fstype = FS_TYPE_SQUASHFS,
+               .name = "squashfs",
+               .probe = sqfs_probe,
+               .opendir = sqfs_opendir,
+               .readdir = sqfs_readdir,
+               .ls = fs_ls_generic,
+               .read = sqfs_read,
+               .size = sqfs_size,
+               .close = sqfs_close,
+               .closedir = sqfs_closedir,
+       },
 #endif
        {
                .fstype = FS_TYPE_ANY,
@@ -305,6 +325,19 @@ static struct fstype_info *fs_get_info(int fstype)
        return info;
 }
 
+/**
+ * fs_get_type() - Get type of current filesystem
+ *
+ * Return: filesystem type
+ *
+ * Returns filesystem type representing the current filesystem, or
+ * FS_TYPE_ANY for any unrecognised filesystem.
+ */
+int fs_get_type(void)
+{
+       return fs_type;
+}
+
 /**
  * fs_get_type_name() - Get type of current filesystem
  *
@@ -387,7 +420,7 @@ int fs_set_blk_dev_with_part(struct blk_desc *desc, int part)
        return -1;
 }
 
-static void fs_close(void)
+void fs_close(void)
 {
        struct fstype_info *info = fs_get_info(fs_type);
 
@@ -411,7 +444,6 @@ int fs_ls(const char *dirname)
 
        ret = info->ls(dirname);
 
-       fs_type = FS_TYPE_ANY;
        fs_close();
 
        return ret;
@@ -595,7 +627,6 @@ int fs_unlink(const char *filename)
 
        ret = info->unlink(filename);
 
-       fs_type = FS_TYPE_ANY;
        fs_close();
 
        return ret;
@@ -609,7 +640,6 @@ int fs_mkdir(const char *dirname)
 
        ret = info->mkdir(dirname);
 
-       fs_type = FS_TYPE_ANY;
        fs_close();
 
        return ret;
@@ -631,8 +661,8 @@ int fs_ln(const char *fname, const char *target)
        return ret;
 }
 
-int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-               int fstype)
+int do_size(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
+           int fstype)
 {
        loff_t size;
 
@@ -650,8 +680,8 @@ int do_size(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return 0;
 }
 
-int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-               int fstype)
+int do_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
+           int fstype)
 {
        unsigned long addr;
        const char *addr_str;
@@ -703,8 +733,14 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        time = get_timer(0);
        ret = _fs_read(filename, addr, pos, bytes, 1, &len_read);
        time = get_timer(time);
-       if (ret < 0)
+       if (ret < 0) {
+               printf("Failed to load '%s'\n", filename);
                return 1;
+       }
+
+       if (IS_ENABLED(CONFIG_CMD_BOOTEFI))
+               efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
+                               (argc > 4) ? argv[4] : "");
 
        printf("%llu bytes read in %lu ms", len_read, time);
        if (time > 0) {
@@ -720,8 +756,8 @@ int do_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return 0;
 }
 
-int do_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-       int fstype)
+int do_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
+         int fstype)
 {
        if (argc < 2)
                return CMD_RET_USAGE;
@@ -746,8 +782,8 @@ int file_exists(const char *dev_type, const char *dev_part, const char *file,
        return fs_exists(file);
 }
 
-int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-               int fstype)
+int do_save(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
+           int fstype)
 {
        unsigned long addr;
        const char *filename;
@@ -788,8 +824,8 @@ int do_save(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return 0;
 }
 
-int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
-               int fstype)
+int do_fs_uuid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
+              int fstype)
 {
        int ret;
        char uuid[37];
@@ -813,7 +849,7 @@ int do_fs_uuid(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return CMD_RET_SUCCESS;
 }
 
-int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_fs_type(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
        struct fstype_info *info;
 
@@ -835,7 +871,7 @@ int do_fs_type(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
        return CMD_RET_SUCCESS;
 }
 
-int do_rm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+int do_rm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
          int fstype)
 {
        if (argc != 4)
@@ -850,7 +886,7 @@ int do_rm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return 0;
 }
 
-int do_mkdir(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+int do_mkdir(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
             int fstype)
 {
        int ret;
@@ -870,7 +906,7 @@ int do_mkdir(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
        return 0;
 }
 
-int do_ln(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
+int do_ln(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
          int fstype)
 {
        if (argc != 5)
@@ -884,3 +920,23 @@ int do_ln(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[],
 
        return 0;
 }
+
+int do_fs_types(struct cmd_tbl *cmdtp, int flag, int argc, char * const argv[])
+{
+       struct fstype_info *drv = fstypes;
+       const int n_ents = ARRAY_SIZE(fstypes);
+       struct fstype_info *entry;
+       int i = 0;
+
+       puts("Supported filesystems");
+       for (entry = drv; entry != drv + n_ents; entry++) {
+               if (entry->fstype != FS_TYPE_ANY) {
+                       printf("%c %s", i ? ',' : ':', entry->name);
+                       i++;
+               }
+       }
+       if (!i)
+               puts(": <none>");
+       puts("\n");
+       return CMD_RET_SUCCESS;
+}