X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fresource.c;h=c09c1c51051679900b11dfc513b8f115436239f5;hp=917a6dcbf4f8fdbedff2e544d648978d1ea6b353;hb=c3dfc9b7b91045172d460651c0309b09b0ab121a;hpb=c6a36fdf2fc2e7a1c2bc4c8d16f2a3bb575b5a2f diff --git a/discover/resource.c b/discover/resource.c index 917a6dc..c09c1c5 100644 --- a/discover/resource.c +++ b/discover/resource.c @@ -1,11 +1,14 @@ -#define _GNU_SOURCE +#if defined(HAVE_CONFIG_H) +#include "config.h" +#endif #include #include #include #include +#include #include #include "device-handler.h" @@ -33,7 +36,8 @@ static struct discover_device *parse_device_string( return device_lookup_by_name(handler, devstr); } -static void resolve_devpath_against_device(struct resource *res, + +void resolve_resource_against_device(struct resource *res, struct discover_device *dev, const char *path) { char *resolved_path = join_paths(res, dev->mount_path, path); @@ -41,7 +45,7 @@ static void resolve_devpath_against_device(struct resource *res, res->resolved = true; } -struct resource *create_devpath_resource(void *ctx, +struct resource *create_devpath_resource(struct discover_boot_option *opt, struct discover_device *orig_device, const char *devpath) { @@ -50,7 +54,7 @@ struct resource *create_devpath_resource(void *ctx, struct resource *res; struct pb_url *url; - res = talloc(ctx, struct resource); + res = talloc(opt, struct resource); pos = strchr(devpath, ':'); @@ -66,7 +70,7 @@ struct resource *create_devpath_resource(void *ctx, /* we've been passed a file:// URL, which has no device * specifier. We can resolve against the original * device */ - resolve_devpath_against_device(res, orig_device, + resolve_resource_against_device(res, orig_device, url->path); talloc_free(url); } @@ -75,13 +79,15 @@ struct resource *create_devpath_resource(void *ctx, /* if there was no device specified, we can resolve now */ if (!pos) { - resolve_devpath_against_device(res, orig_device, devpath); + resolve_resource_against_device(res, orig_device, devpath); return res; } devstr = talloc_strndup(res, devpath, pos - devpath); path = talloc_strdup(res, pos + 1); + pb_log_fn("resource depends on device %s\n", devstr); + /* defer resolution until we can find a suitable matching device */ info = talloc(res, struct devpath_resource_info); info->dev = devstr; @@ -106,8 +112,21 @@ bool resolve_devpath_resource(struct device_handler *handler, if (!dev) return false; - resolve_devpath_against_device(res, dev, info->path); + resolve_resource_against_device(res, dev, info->path); talloc_free(info); return true; } + +struct resource *create_url_resource(struct discover_boot_option *opt, + struct pb_url *url) +{ + struct resource *res; + + res = talloc(opt, struct resource); + talloc_steal(res, url); + res->url = url; + res->resolved = true; + + return res; +}