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| author | Bin Meng <bmeng@tinylab.org> | 2023-09-26 16:43:33 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2023-10-10 16:19:43 -0400 |
| commit | 8897faba2d1d2e6802cd066580100685baa46f7f (patch) | |
| tree | 2589c2bb478a4c1f50c5b4e6d0f6fdf3c616406b /cmd | |
| parent | 77ca9d74571e92969591d39df134ccd72296f4d9 (diff) | |
| download | u-boot-8897faba2d1d2e6802cd066580100685baa46f7f.zip u-boot-8897faba2d1d2e6802cd066580100685baa46f7f.tar.gz u-boot-8897faba2d1d2e6802cd066580100685baa46f7f.tar.bz2 | |
blk: sandbox: Support binding a device with a given logical block size
Allow optionally set the logical block size of the host device to
bind in the "host bind" command. If not given, defaults to 512.
Signed-off-by: Bin Meng <bmeng@tinylab.org>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/host.c | 16 |
1 files changed, 13 insertions, 3 deletions
@@ -13,6 +13,7 @@ #include <dm/device-internal.h> #include <dm/uclass-internal.h> #include <linux/errno.h> +#include <linux/log2.h> static int do_host_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) @@ -45,6 +46,7 @@ static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc, struct udevice *dev; const char *label; char *file; + unsigned long blksz = DEFAULT_BLKSZ; int ret; /* Skip 'bind' */ @@ -59,12 +61,19 @@ static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc, argv++; } - if (argc != 2) + if (argc < 2 || argc > 3) return CMD_RET_USAGE; label = argv[0]; file = argv[1]; + if (argc > 2) { + blksz = dectoul(argv[2], NULL); + if (blksz < DEFAULT_BLKSZ || !is_power_of_2(blksz)) { + printf("blksz must be >= 512 and power of 2\n"); + return CMD_RET_FAILURE; + } + } - ret = host_create_attach_file(label, file, removable, &dev); + ret = host_create_attach_file(label, file, removable, blksz, &dev); if (ret) { printf("Cannot create device / bind file\n"); return CMD_RET_FAILURE; @@ -253,7 +262,8 @@ U_BOOT_CMD( "host save hostfs - <addr> <filename> <bytes> [<offset>] - " "save a file to host\n" "host size hostfs - <filename> - determine size of file on host\n" - "host bind [-r] <label> <filename> - bind \"host\" device to file\n" + "host bind [-r] <label> <filename> [<blksz>] - bind \"host\" device to file,\n" + " and optionally set the device's logical block size\n" " -r = mark as removable\n" "host unbind <label> - unbind file from \"host\" device\n" "host info [<label>] - show device binding & info\n" |