mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 19:10:13 +00:00
f86eba03fa
HELP description is provided for ‘configure’ sub-command of ‘blkcache’. Signed-off-by: Adarsh Babu Kalepalli <opensource.kab@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
88 lines
2 KiB
C
88 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) Nelson Integration, LLC 2016
|
|
* Author: Eric Nelson<eric@nelint.com>
|
|
*
|
|
*/
|
|
#include <command.h>
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <malloc.h>
|
|
#include <part.h>
|
|
|
|
static int blkc_show(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
struct block_cache_stats stats;
|
|
blkcache_stats(&stats);
|
|
|
|
printf("hits: %u\n"
|
|
"misses: %u\n"
|
|
"entries: %u\n"
|
|
"max blocks/entry: %u\n"
|
|
"max cache entries: %u\n",
|
|
stats.hits, stats.misses, stats.entries,
|
|
stats.max_blocks_per_entry, stats.max_entries);
|
|
return 0;
|
|
}
|
|
|
|
static int blkc_configure(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
unsigned blocks_per_entry, max_entries;
|
|
if (argc != 3)
|
|
return CMD_RET_USAGE;
|
|
|
|
blocks_per_entry = simple_strtoul(argv[1], 0, 0);
|
|
max_entries = simple_strtoul(argv[2], 0, 0);
|
|
blkcache_configure(blocks_per_entry, max_entries);
|
|
printf("changed to max of %u entries of %u blocks each\n",
|
|
max_entries, blocks_per_entry);
|
|
return 0;
|
|
}
|
|
|
|
static struct cmd_tbl cmd_blkc_sub[] = {
|
|
U_BOOT_CMD_MKENT(show, 0, 0, blkc_show, "", ""),
|
|
U_BOOT_CMD_MKENT(configure, 3, 0, blkc_configure, "", ""),
|
|
};
|
|
|
|
static __maybe_unused void blkc_reloc(void)
|
|
{
|
|
static int relocated;
|
|
|
|
if (!relocated) {
|
|
fixup_cmdtable(cmd_blkc_sub, ARRAY_SIZE(cmd_blkc_sub));
|
|
relocated = 1;
|
|
};
|
|
}
|
|
|
|
static int do_blkcache(struct cmd_tbl *cmdtp, int flag,
|
|
int argc, char *const argv[])
|
|
{
|
|
struct cmd_tbl *c;
|
|
|
|
#ifdef CONFIG_NEEDS_MANUAL_RELOC
|
|
blkc_reloc();
|
|
#endif
|
|
if (argc < 2)
|
|
return CMD_RET_USAGE;
|
|
|
|
/* Strip off leading argument */
|
|
argc--;
|
|
argv++;
|
|
|
|
c = find_cmd_tbl(argv[0], &cmd_blkc_sub[0], ARRAY_SIZE(cmd_blkc_sub));
|
|
|
|
if (!c)
|
|
return CMD_RET_USAGE;
|
|
|
|
return c->cmd(cmdtp, flag, argc, argv);
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
blkcache, 4, 0, do_blkcache,
|
|
"block cache diagnostics and control",
|
|
"show - show and reset statistics\n"
|
|
"blkcache configure <blocks> <entries> "
|
|
"- set max blocks per entry and max cache entries\n"
|
|
);
|