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pxe: Add a userdata field to the context

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Allow the caller to provide some info which is passed back to the
readfile() method.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Artem Lapkin <email2tema@gmail.com>
Tested-by: Artem Lapkin <email2tema@gmail.com>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
This commit is contained in:
Simon Glass 2021-10-14 12:47:58 -06:00 • committed by Tom Rini
parent b1ead6b908
commit 4ad5d51edb
4 changed files with 10 additions and 5 deletions
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4
cmd/pxe.c
View file

@ -121,7 +121,7 @@ do_pxe_get(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
struct pxe_context ctx;
int err, i = 0;
pxe_setup_ctx(&ctx, cmdtp, do_get_tftp);
pxe_setup_ctx(&ctx, cmdtp, do_get_tftp, NULL);
if (argc != 1)
return CMD_RET_USAGE;
@ -175,7 +175,7 @@ do_pxe_boot(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
char *pxefile_addr_str;
struct pxe_context ctx;
pxe_setup_ctx(&ctx, cmdtp, do_get_tftp);
pxe_setup_ctx(&ctx, cmdtp, do_get_tftp, NULL);
if (argc == 1) {
pxefile_addr_str = from_env("pxefile_addr_r");

3
cmd/pxe_utils.c
View file

@ -1451,8 +1451,9 @@ void handle_pxe_menu(struct pxe_context *ctx, struct pxe_menu *cfg)
}
void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp,
pxe_getfile_func getfile)
pxe_getfile_func getfile, void *userdata)
{
ctx->cmdtp = cmdtp;
ctx->getfile = getfile;
ctx->userdata = userdata;
}

6
cmd/pxe_utils.h
View file

@ -86,6 +86,7 @@ typedef int (*pxe_getfile_func)(struct pxe_context *ctx, const char *file_path,
*
* @cmdtp: Pointer to command table to use when calling other commands
* @getfile: Function called by PXE to read a file
* @userdata: Data the caller requires for @getfile
*/
struct pxe_context {
struct cmd_tbl *cmdtp;
@ -99,6 +100,8 @@ struct pxe_context {
* Return 0 if OK, -ve on error
*/
pxe_getfile_func getfile;
void *userdata;
};
/**
@ -192,8 +195,9 @@ int format_mac_pxe(char *outbuf, size_t outbuf_len);
* @ctx: Context to set up
* @cmdtp: Command table entry which started this action
* @getfile: Function to call to read a file
* @userdata: Data the caller requires for @getfile - stored in ctx->userdata
*/
void pxe_setup_ctx(struct pxe_context *ctx, struct cmd_tbl *cmdtp,
pxe_getfile_func getfile);
pxe_getfile_func getfile, void *userdata);
#endif /* __PXE_UTILS_H */

2
cmd/sysboot.c
View file

@ -91,7 +91,7 @@ static int do_sysboot(struct cmd_tbl *cmdtp, int flag, int argc,
env_set("bootfile", filename);
}
pxe_setup_ctx(&ctx, cmdtp, NULL);
pxe_setup_ctx(&ctx, cmdtp, NULL, NULL);
if (strstr(argv[3], "ext2")) {
ctx.getfile = do_get_ext2;
} else if (strstr(argv[3], "fat")) {