LU-8955 nodemap: add SELinux policy info to nodemap

[fs/lustre-release.git] / lustre / include / uapi / linux / lustre / lustre_idl.h

diff --git a/lustre/include/uapi/linux/lustre/lustre_idl.h b/lustre/include/uapi/linux/lustre/lustre_idl.h
index 1275d41..2284840 100644 (file)
--- a/lustre/include/uapi/linux/lustre/lustre_idl.h
+++ b/lustre/include/uapi/linux/lustre/lustre_idl.h
@@ -173,12 +173,14 @@ extern void lustre_loa_init(struct lustre_ost_attrs *loa,
                            const struct lu_fid *fid,
                            __u32 compat, __u32 incompat);
 
-/* copytool uses a 32b bitmask field to encode archive-Ids during register
- * with MDT thru kuc.
+/* copytool can use any nonnegative integer to represent archive-Ids during
+ * register with MDT thru kuc.
  * archive num = 0 => all
- * archive num from 1 to 32
+ * archive num from 1 to MAX_U32
  */
-#define LL_HSM_MAX_ARCHIVE (sizeof(__u32) * 8)
+#define LL_HSM_ORIGIN_MAX_ARCHIVE      (sizeof(__u32) * 8)
+/* the max count of archive ids that one agent can support */
+#define LL_HSM_MAX_ARCHIVES_PER_AGENT  1024
 
 /**
  * HSM on-disk attributes stored in a separate xattr.
@@ -532,12 +534,15 @@ static inline size_t lu_dirent_calc_size(size_t namelen, __u16 attr)
 
        if (attr & LUDA_TYPE) {
                const size_t align = sizeof(struct luda_type) - 1;
-                size = (sizeof(struct lu_dirent) + namelen + align) & ~align;
-                size += sizeof(struct luda_type);
-        } else
-                size = sizeof(struct lu_dirent) + namelen;
 
-        return (size + 7) & ~7;
+               size = (sizeof(struct lu_dirent) + namelen + 1 + align) &
+                      ~align;
+               size += sizeof(struct luda_type);
+       } else {
+               size = sizeof(struct lu_dirent) + namelen + 1;
+       }
+
+       return (size + 7) & ~7;
 }
 
 #define MDS_DIR_END_OFF 0xfffffffffffffffeULL
@@ -828,6 +833,7 @@ struct ptlrpc_body_v2 {
 #define OBD_CONNECT2_WBC_INTENTS       0x40ULL /* create/unlink/... intents for wbc, also operations under client-held parent locks */
 #define OBD_CONNECT2_LOCK_CONVERT      0x80ULL /* IBITS lock convert support */
 #define OBD_CONNECT2_ARCHIVE_ID_ARRAY  0x100ULL /* store HSM archive_id in array */
+#define OBD_CONNECT2_SELINUX_POLICY    0x400ULL /* has client SELinux policy */
 
 /* XXX README XXX:
  * Please DO NOT add flag values here before first ensuring that this same
@@ -881,7 +887,8 @@ struct ptlrpc_body_v2 {
 #define MDT_CONNECT_SUPPORTED2 (OBD_CONNECT2_FILE_SECCTX | OBD_CONNECT2_FLR | \
                                 OBD_CONNECT2_SUM_STATFS | \
                                OBD_CONNECT2_LOCK_CONVERT | \
-                               OBD_CONNECT2_DIR_MIGRATE)
+                               OBD_CONNECT2_DIR_MIGRATE | \
+                               OBD_CONNECT2_ARCHIVE_ID_ARRAY)
 
 #define OST_CONNECT_SUPPORTED  (OBD_CONNECT_SRVLOCK | OBD_CONNECT_GRANT | \
                                OBD_CONNECT_REQPORTAL | OBD_CONNECT_VERSION | \
@@ -3567,6 +3574,19 @@ struct llog_update_record {
        */
 };
 
+/* sepol string format is:
+ * <1-digit for SELinux status>:<policy name>:<policy version>:<policy hash>
+ */
+/* Max length of the sepol string
+ * Should be large enough to contain a sha512sum of the policy
+ */
+#define SELINUX_MODE_LEN 1
+#define SELINUX_POLICY_VER_LEN 3 /* 3 chars to leave room for the future */
+#define SELINUX_POLICY_HASH_LEN 64
+#define LUSTRE_NODEMAP_SEPOL_LENGTH (SELINUX_MODE_LEN + NAME_MAX + \
+                                    SELINUX_POLICY_VER_LEN + \
+                                    SELINUX_POLICY_HASH_LEN + 3)
+
 /* nodemap records, uses 32 byte record length */
 #define LUSTRE_NODEMAP_NAME_LENGTH 16
 struct nodemap_cluster_rec {