diff --git a/libc/kernel/uapi/linux/coda.h b/libc/kernel/uapi/linux/coda.h
index 93d6f7c..aad1b97 100644
--- a/libc/kernel/uapi/linux/coda.h
+++ b/libc/kernel/uapi/linux/coda.h
@@ -38,10 +38,6 @@
 typedef unsigned long long u_quad_t;
 #endif
 #define inline
-struct timespec {
-  long ts_sec;
-  long ts_nsec;
-};
 #else
 #include <sys/time.h>
 typedef unsigned long long u_quad_t;
@@ -57,12 +53,6 @@
 #else
 #define cdev_t dev_t
 #endif
-#ifdef __CYGWIN32__
-struct timespec {
-  time_t tv_sec;
-  long tv_nsec;
-};
-#endif
 #ifndef __BIT_TYPES_DEFINED__
 #define __BIT_TYPES_DEFINED__
 typedef signed char int8_t;
@@ -132,6 +122,10 @@
   C_VFIFO,
   C_VBAD
 };
+struct coda_timespec {
+  int64_t tv_sec;
+  long tv_nsec;
+};
 struct coda_vattr {
   long va_type;
   u_short va_mode;
@@ -141,9 +135,9 @@
   long va_fileid;
   u_quad_t va_size;
   long va_blocksize;
-  struct timespec va_atime;
-  struct timespec va_mtime;
-  struct timespec va_ctime;
+  struct coda_timespec va_atime;
+  struct coda_timespec va_mtime;
+  struct coda_timespec va_ctime;
   u_long va_gen;
   u_long va_flags;
   cdev_t va_rdev;
@@ -190,17 +184,18 @@
 #define CODA_STATFS 34
 #define CODA_STORE 35
 #define CODA_RELEASE 36
-#define CODA_NCALLS 37
+#define CODA_ACCESS_INTENT 37
+#define CODA_NCALLS 38
 #define DOWNCALL(opcode) (opcode >= CODA_REPLACE && opcode <= CODA_PURGEFID)
 #define VC_MAXDATASIZE 8192
 #define VC_MAXMSGSIZE sizeof(union inputArgs) + sizeof(union outputArgs) + VC_MAXDATASIZE
 #define CIOC_KERNEL_VERSION _IOWR('c', 10, size_t)
-#define CODA_KERNEL_VERSION 3
+#define CODA_KERNEL_VERSION 5
 struct coda_in_hdr {
   u_int32_t opcode;
   u_int32_t unique;
-  pid_t pid;
-  pid_t pgid;
+  __kernel_pid_t pid;
+  __kernel_pid_t pgid;
   vuid_t uid;
 };
 struct coda_out_hdr {
@@ -439,6 +434,21 @@
   struct coda_out_hdr oh;
   struct coda_statfs stat;
 };
+#define CODA_ACCESS_TYPE_READ 1
+#define CODA_ACCESS_TYPE_WRITE 2
+#define CODA_ACCESS_TYPE_MMAP 3
+#define CODA_ACCESS_TYPE_READ_FINISH 4
+#define CODA_ACCESS_TYPE_WRITE_FINISH 5
+struct coda_access_intent_in {
+  struct coda_in_hdr ih;
+  struct CodaFid VFid;
+  int count;
+  int pos;
+  int type;
+};
+struct coda_access_intent_out {
+  struct coda_out_hdr out;
+};
 #define CODA_NOCACHE 0x80000000
 union inputArgs {
   struct coda_in_hdr ih;
@@ -464,6 +474,7 @@
   struct coda_open_by_fd_in coda_open_by_fd;
   struct coda_open_by_path_in coda_open_by_path;
   struct coda_statfs_in coda_statfs;
+  struct coda_access_intent_in coda_access_intent;
 };
 union outputArgs {
   struct coda_out_hdr oh;