Rename the struct grant_entry to struct grant_entry_v1, so that it

isn't in the way when we introduce struct grant_entry_v2.

Signed-off-by: Steven Smith <steven.smith@citrix.com>

9 files changed, 33 insertions, 29 deletions

diff --git a/tools/libxc/xc_linux.c b/tools/libxc/xc_linux.c
index 45f8ecfccb..fcddda3c1c 100644
--- a/tools/libxc/xc_linux.c
+++ b/tools/libxc/xc_linux.c
@@ -558,14 +558,14 @@ int xc_gnttab_op(int xc_handle, int cmd,
     return ret;
 }
 
-struct grant_entry *xc_gnttab_map_table(int xc_handle, int domid, int *gnt_num)
+struct grant_entry_v1 *xc_gnttab_map_table(int xc_handle, int domid, int *gnt_num)
 {
     int rc, i;
     struct gnttab_query_size query;
     struct gnttab_setup_table setup;
     unsigned long *frame_list = NULL;
     xen_pfn_t *pfn_list = NULL;
-    struct grant_entry *gnt = NULL;
+    struct grant_entry_v1 *gnt = NULL;
 
     if (!gnt_num)
         return NULL;
@@ -581,7 +581,7 @@ struct grant_entry *xc_gnttab_map_table(int xc_handle, int domid, int *gnt_num)
     }
 
     *gnt_num = query.nr_frames *
-            (PAGE_SIZE / sizeof(struct grant_entry) );
+            (PAGE_SIZE / sizeof(struct grant_entry_v1) );
 
     frame_list = malloc(query.nr_frames * sizeof(unsigned long));
     if (!frame_list || lock_pages(frame_list, query.nr_frames *
diff --git a/tools/libxc/xc_offline_page.c b/tools/libxc/xc_offline_page.c
index f25cfbd7c7..57ff5f05c9 100644
--- a/tools/libxc/xc_offline_page.c
+++ b/tools/libxc/xc_offline_page.c
@@ -133,7 +133,7 @@ int xc_query_page_offline_status(int xc, unsigned long start,
   * There should no update to the grant when domain paused
   */
 static int xc_is_page_granted(int xc_handle, xen_pfn_t gpfn,
-                              struct grant_entry *gnttab, int gnt_num)
+                              struct grant_entry_v1 *gnttab, int gnt_num)
 {
     int i = 0;
 
@@ -549,7 +549,7 @@ int xc_exchange_page(int xc_handle, int domid, xen_pfn_t mfn)
     struct domain_mem_info minfo;
     struct xc_mmu *mmu = NULL;
     struct pte_backup old_ptes = {NULL, 0, 0};
-    struct grant_entry *gnttab = NULL;
+    struct grant_entry_v1 *gnttab = NULL;
     struct mmuext_op mops;
     int gnt_num, unpined = 0;
     void *old_p, *backup = NULL;
@@ -756,7 +756,7 @@ failed:
         free(backup);
 
     if (gnttab)
-        munmap(gnttab, gnt_num / (PAGE_SIZE/sizeof(struct grant_entry)));
+        munmap(gnttab, gnt_num / (PAGE_SIZE/sizeof(struct grant_entry_v1)));
 
     close_mem_info(xc_handle, &minfo);
 
diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h
index 81ba26d616..885c8dac2f 100644
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -943,7 +943,7 @@ int xc_gnttab_set_max_grants(int xcg_handle,
 int xc_gnttab_op(int xc_handle, int cmd,
                  void * op, int op_size, int count);
 
-struct grant_entry *xc_gnttab_map_table(int xc_handle, int domid, int *gnt_num);
+struct grant_entry_v1 *xc_gnttab_map_table(int xc_handle, int domid, int *gnt_num);
 
 int xc_physdev_map_pirq(int xc_handle,
                         int domid,
diff --git a/xen/common/compat/grant_table.c b/xen/common/compat/grant_table.c
index 06e75de3f0..d3704fa503 100644
--- a/xen/common/compat/grant_table.c
+++ b/xen/common/compat/grant_table.c
@@ -5,9 +5,9 @@
 
 #include <compat/grant_table.h>
 
-#define xen_grant_entry grant_entry
-CHECK_grant_entry;
-#undef xen_grant_entry
+#define xen_grant_entry_v1 grant_entry_v1
+CHECK_grant_entry_v1;
+#undef xen_grant_entry_v1
 
 #define xen_gnttab_map_grant_ref gnttab_map_grant_ref
 CHECK_gnttab_map_grant_ref;
diff --git a/xen/common/grant_table.c b/xen/common/grant_table.c
index 54243304a1..7ec32d99f4 100644
--- a/xen/common/grant_table.c
+++ b/xen/common/grant_table.c
@@ -105,7 +105,7 @@ static unsigned inline int max_nr_maptrack_frames(void)
 }
 
 
-#define SHGNT_PER_PAGE (PAGE_SIZE / sizeof(grant_entry_t))
+#define SHGNT_PER_PAGE (PAGE_SIZE / sizeof(grant_entry_v1_t))
 #define shared_entry(t, e) \
     ((t)->shared[(e)/SHGNT_PER_PAGE][(e)%SHGNT_PER_PAGE])
 #define ACGNT_PER_PAGE (PAGE_SIZE / sizeof(struct active_grant_entry))
@@ -205,7 +205,7 @@ __gnttab_map_grant_ref(
     unsigned int   cache_flags;
     struct active_grant_entry *act;
     struct grant_mapping *mt;
-    grant_entry_t *sha;
+    grant_entry_v1_t *sha;
     union grant_combo scombo, prev_scombo, new_scombo;
 
     /*
@@ -508,7 +508,7 @@ __gnttab_unmap_common(
     domid_t          dom;
     struct domain   *ld, *rd;
     struct active_grant_entry *act;
-    grant_entry_t   *sha;
+    grant_entry_v1_t *sha;
     s16              rc = 0;
     u32              old_pin;
 
@@ -622,7 +622,7 @@ __gnttab_unmap_common_complete(struct gnttab_unmap_common *op)
 {
     struct domain   *ld, *rd;
     struct active_grant_entry *act;
-    grant_entry_t   *sha;
+    grant_entry_v1_t *sha;
     struct page_info *pg;
 
     rd = op->rd;
@@ -1046,7 +1046,7 @@ gnttab_prepare_for_transfer(
     struct domain *rd, struct domain *ld, grant_ref_t ref)
 {
     struct grant_table *rgt;
-    struct grant_entry *sha;
+    struct grant_entry_v1 *sha;
     union grant_combo   scombo, prev_scombo, new_scombo;
     int                 retries = 0;
 
@@ -1115,7 +1115,7 @@ gnttab_transfer(
     struct domain *e;
     struct page_info *page;
     int i;
-    grant_entry_t *sha;
+    grant_entry_v1_t *sha;
     struct gnttab_transfer gop;
     unsigned long mfn;
     unsigned int max_bitsize;
@@ -1278,7 +1278,7 @@ static void
 __release_grant_for_copy(
     struct domain *rd, unsigned long gref, int readonly)
 {
-    grant_entry_t *sha;
+    grant_entry_v1_t *sha;
     struct active_grant_entry *act;
     unsigned long r_frame;
 
@@ -1316,7 +1316,7 @@ __acquire_grant_for_copy(
     struct domain *rd, unsigned long gref, int readonly,
     unsigned long *frame)
 {
-    grant_entry_t *sha;
+    grant_entry_v1_t *sha;
     struct active_grant_entry *act;
     s16 rc = GNTST_okay;
     int retries = 0;
@@ -1654,7 +1654,7 @@ do_grant_table_op(
 
 static unsigned int max_nr_active_grant_frames(void)
 {
-    return (((max_nr_grant_frames * (PAGE_SIZE / sizeof(grant_entry_t))) + 
+    return (((max_nr_grant_frames * (PAGE_SIZE / sizeof(grant_entry_v1_t))) + 
                     ((PAGE_SIZE / sizeof(struct active_grant_entry))-1)) 
                    / (PAGE_SIZE / sizeof(struct active_grant_entry)));
 }
@@ -1667,7 +1667,7 @@ grant_table_create(
     int                 i;
 
     /* If this sizeof assertion fails, fix the function: shared_index */
-    ASSERT(sizeof(grant_entry_t) == 8);
+    ASSERT(sizeof(grant_entry_v1_t) == 8);
 
     if ( (t = xmalloc(struct grant_table)) == NULL )
         goto no_mem_0;
@@ -1703,7 +1703,7 @@ grant_table_create(
         t->maptrack[0][i].ref = i+1;
 
     /* Shared grant table. */
-    if ( (t->shared = xmalloc_array(struct grant_entry *,
+    if ( (t->shared = xmalloc_array(struct grant_entry_v1 *,
                                     max_nr_grant_frames)) == NULL )
         goto no_mem_3;
     memset(t->shared, 0, max_nr_grant_frames * sizeof(t->shared[0]));
@@ -1749,7 +1749,7 @@ gnttab_release_mappings(
     grant_handle_t        handle;
     struct domain        *rd;
     struct active_grant_entry *act;
-    struct grant_entry   *sha;
+    struct grant_entry_v1*sha;
     struct page_info     *pg;
 
     BUG_ON(!d->is_dying);
diff --git a/xen/include/public/grant_table.h b/xen/include/public/grant_table.h
index 71f125a303..7e9b2da57b 100644
--- a/xen/include/public/grant_table.h
+++ b/xen/include/public/grant_table.h
@@ -90,7 +90,11 @@
  * [XEN]: This field is written by Xen and read by the sharing guest.
  * [GST]: This field is written by the guest and read by Xen.
  */
-struct grant_entry {
+#if __XEN_INTERFACE_VERSION__ < 0x0003020a
+#define grant_entry_v1 grant_entry
+#define grant_entry_v1_t grant_entry_t
+#endif
+struct grant_entry_v1 {
     /* GTF_xxx: various type and flag information.  [XEN,GST] */
     uint16_t flags;
     /* The domain being granted foreign privileges. [GST] */
@@ -101,7 +105,7 @@ struct grant_entry {
      */
     uint32_t frame;
 };
-typedef struct grant_entry grant_entry_t;
+typedef struct grant_entry_v1 grant_entry_v1_t;
 
 /*
  * Type of grant entry.
diff --git a/xen/include/public/xen-compat.h b/xen/include/public/xen-compat.h
index 329be076cd..2e38003f25 100644
--- a/xen/include/public/xen-compat.h
+++ b/xen/include/public/xen-compat.h
@@ -27,7 +27,7 @@
 #ifndef __XEN_PUBLIC_XEN_COMPAT_H__
 #define __XEN_PUBLIC_XEN_COMPAT_H__
 
-#define __XEN_LATEST_INTERFACE_VERSION__ 0x00030209
+#define __XEN_LATEST_INTERFACE_VERSION__ 0x0003020a
 
 #if defined(__XEN__) || defined(__XEN_TOOLS__)
 /* Xen is built with matching headers and implements the latest interface. */
diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h
index 27cc3fad91..c1ea9e0652 100644
--- a/xen/include/xen/grant_table.h
+++ b/xen/include/xen/grant_table.h
@@ -80,7 +80,7 @@ struct grant_table {
     /* Table size. Number of frames shared with guest */
     unsigned int          nr_grant_frames;
     /* Shared grant table (see include/public/grant_table.h). */
-    struct grant_entry  **shared;
+    struct grant_entry_v1 **shared;
     /* Active grant table. */
     struct active_grant_entry **active;
     /* Mapping tracking table. */
@@ -117,7 +117,7 @@ static inline unsigned int nr_grant_frames(struct grant_table *gt)
 /* Number of grant table entries. Caller must hold d's grant table lock. */
 static inline unsigned int nr_grant_entries(struct grant_table *gt)
 {
-    return (nr_grant_frames(gt) << PAGE_SHIFT) / sizeof(grant_entry_t);
+    return (nr_grant_frames(gt) << PAGE_SHIFT) / sizeof(grant_entry_v1_t);
 }
 
 static inline unsigned int
@@ -126,7 +126,7 @@ num_act_frames_from_sha_frames(const unsigned int num)
     /* How many frames are needed for the active grant table,
      * given the size of the shared grant table? */
     unsigned act_per_page = PAGE_SIZE / sizeof(struct active_grant_entry);
-    unsigned sha_per_page = PAGE_SIZE / sizeof(grant_entry_t);
+    unsigned sha_per_page = PAGE_SIZE / sizeof(grant_entry_v1_t);
     unsigned num_sha_entries = num * sha_per_page;
     unsigned num_act_frames =
         (num_sha_entries + (act_per_page-1)) / act_per_page;
diff --git a/xen/include/xlat.lst b/xen/include/xlat.lst
index 52a2592533..585e2c3e6d 100644
--- a/xen/include/xlat.lst
+++ b/xen/include/xlat.lst
@@ -44,7 +44,7 @@
 !	gnttab_transfer			grant_table.h
 ?	gnttab_unmap_grant_ref		grant_table.h
 ?	gnttab_unmap_and_replace	grant_table.h
-?	grant_entry			grant_table.h
+?	grant_entry_v1			grant_table.h
 ?	kexec_exec			kexec.h
 !	kexec_image			kexec.h
 !	kexec_range			kexec.h