X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=libcfs%2Finclude%2Flibcfs%2Flibcfs_kernelcomm.h;h=0de5cd1003438686d9848c2074d0e5a983d15108;hb=ed2430bd5a8b1b61ce9ae5c4a321598dee728199;hp=f7be4b7140d0c37ad30eb91858a98f0d656a0a85;hpb=2841be335687840cf98961e6c6cde6ee9312e4d7;p=fs%2Flustre-release.git

diff --git a/libcfs/include/libcfs/libcfs_kernelcomm.h b/libcfs/include/libcfs/libcfs_kernelcomm.h
index f7be4b7..0de5cd1 100644
--- a/libcfs/include/libcfs/libcfs_kernelcomm.h
+++ b/libcfs/include/libcfs/libcfs_kernelcomm.h
@@ -61,6 +61,8 @@ struct kuc_hdr {
         __u16 kuc_msglen;     /* Including header */
 } __attribute__((aligned(sizeof(__u64))));
 
+#define KUC_CHANGELOG_MSG_MAXSIZE (sizeof(struct kuc_hdr)+CR_MAXSIZE)
+
 #define KUC_MAGIC  0x191C /*Lustre9etLinC */
 #define KUC_FL_BLOCK 0x01   /* Wait for send */
 
@@ -76,7 +78,7 @@ enum kuc_generic_message_type {
 };
 
 /* prototype for callback function on kuc groups */
-typedef int (*libcfs_kkuc_cb_t)(__u32 data, void *cb_arg);
+typedef int (*libcfs_kkuc_cb_t)(void *data, void *cb_arg);
 
 /* KUC Broadcast Groups. This determines which userspace process hears which
  * messages.  Mutliple transports may be used within a group, or multiple
@@ -91,12 +93,13 @@ typedef int (*libcfs_kkuc_cb_t)(__u32 data, void *cb_arg);
 extern int libcfs_kkuc_msg_put(struct file *fp, void *payload);
 extern int libcfs_kkuc_group_put(int group, void *payload);
 extern int libcfs_kkuc_group_add(struct file *fp, int uid, int group,
-				 __u32 data);
-extern int libcfs_kkuc_group_rem(int uid, int group);
+				 void *data);
+extern int libcfs_kkuc_group_rem(int uid, int group, void **pdata);
 extern int libcfs_kkuc_group_foreach(int group, libcfs_kkuc_cb_t cb_func,
 				     void *cb_arg);
 
 #define LK_FLG_STOP 0x01
+#define LK_NOFD -1U
 
 /* kernelcomm control structure, passed from userspace to kernel */
 typedef struct lustre_kernelcomm {
@@ -109,8 +112,9 @@ typedef struct lustre_kernelcomm {
 } __attribute__((packed)) lustre_kernelcomm;
 
 /* Userspace methods */
-extern int libcfs_ukuc_start(lustre_kernelcomm *l, int groups);
+extern int libcfs_ukuc_start(lustre_kernelcomm *l, int groups, int rfd_flags);
 extern int libcfs_ukuc_stop(lustre_kernelcomm *l);
+int libcfs_ukuc_get_rfd(lustre_kernelcomm *link);
 extern int libcfs_ukuc_msg_get(lustre_kernelcomm *l, char *buf, int maxsize,
                                int transport);