From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 22 Mar 2021 20:23:40 +0000 (+0100)
Subject: gpt: add some simple helpers for categorizing GPT partition types
X-Git-Tag: v249-rc1~388^2~5
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e81acfd251eb9e6afc6cc7ee589f89e9553935f5;p=thirdparty%2Fsystemd.git

gpt: add some simple helpers for categorizing GPT partition types
---

diff --git a/src/shared/gpt.c b/src/shared/gpt.c
index a96f5ee02da..5f2de0d947e 100644
--- a/src/shared/gpt.c
+++ b/src/shared/gpt.c
@@ -106,3 +106,43 @@ int gpt_partition_label_valid(const char *s) {
 
         return char16_strlen(recoded) <= 36;
 }
+
+bool gpt_partition_type_is_root(sd_id128_t id) {
+        return sd_id128_equal(id, GPT_ROOT_X86) ||
+                sd_id128_equal(id, GPT_ROOT_X86_64) ||
+                sd_id128_equal(id, GPT_ROOT_ARM) ||
+                sd_id128_equal(id, GPT_ROOT_ARM_64) ||
+                sd_id128_equal(id, GPT_ROOT_IA64) ||
+                sd_id128_equal(id, GPT_ROOT_RISCV32) ||
+                sd_id128_equal(id, GPT_ROOT_RISCV64);
+}
+
+bool gpt_partition_type_is_root_verity(sd_id128_t id) {
+        return sd_id128_equal(id, GPT_ROOT_X86_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_X86_64_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_ARM_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_ARM_64_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_IA64_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_RISCV32_VERITY) ||
+                sd_id128_equal(id, GPT_ROOT_RISCV64_VERITY);
+}
+
+bool gpt_partition_type_is_usr(sd_id128_t id) {
+        return sd_id128_equal(id, GPT_USR_X86) ||
+                sd_id128_equal(id, GPT_USR_X86_64) ||
+                sd_id128_equal(id, GPT_USR_ARM) ||
+                sd_id128_equal(id, GPT_USR_ARM_64) ||
+                sd_id128_equal(id, GPT_USR_IA64) ||
+                sd_id128_equal(id, GPT_USR_RISCV32) ||
+                sd_id128_equal(id, GPT_USR_RISCV64);
+}
+
+bool gpt_partition_type_is_usr_verity(sd_id128_t id) {
+        return sd_id128_equal(id, GPT_USR_X86_VERITY) ||
+                sd_id128_equal(id, GPT_USR_X86_64_VERITY) ||
+                sd_id128_equal(id, GPT_USR_ARM_VERITY) ||
+                sd_id128_equal(id, GPT_USR_ARM_64_VERITY) ||
+                sd_id128_equal(id, GPT_USR_IA64_VERITY) ||
+                sd_id128_equal(id, GPT_USR_RISCV32_VERITY) ||
+                sd_id128_equal(id, GPT_USR_RISCV64_VERITY);
+}
diff --git a/src/shared/gpt.h b/src/shared/gpt.h
index 2e0f50c3c64..22b1d68d5f0 100644
--- a/src/shared/gpt.h
+++ b/src/shared/gpt.h
@@ -128,3 +128,8 @@ typedef struct GptPartitionType {
 extern const GptPartitionType gpt_partition_type_table[];
 
 int gpt_partition_label_valid(const char *s);
+
+bool gpt_partition_type_is_root(sd_id128_t id);
+bool gpt_partition_type_is_root_verity(sd_id128_t id);
+bool gpt_partition_type_is_usr(sd_id128_t id);
+bool gpt_partition_type_is_usr_verity(sd_id128_t id);