diff options
Diffstat (limited to 'xen/include/xen/grant_table.h')
| -rw-r--r-- | xen/include/xen/grant_table.h | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/xen/include/xen/grant_table.h b/xen/include/xen/grant_table.h index 1250c5abaf..0e9e7f71d1 100644 --- a/xen/include/xen/grant_table.h +++ b/xen/include/xen/grant_table.h @@ -53,8 +53,8 @@ typedef struct { #define ORDER_GRANT_FRAMES 2 #define NR_GRANT_FRAMES (1U << ORDER_GRANT_FRAMES) -#define NR_GRANT_ENTRIES (NR_GRANT_FRAMES * PAGE_SIZE / sizeof(grant_entry_t)) - +#define NR_GRANT_ENTRIES \ + ((NR_GRANT_FRAMES << PAGE_SHIFT) / sizeof(grant_entry_t)) /* * Tracks a mapping of another domain's grant reference. Each domain has a @@ -65,8 +65,8 @@ typedef struct { domid_t domid; /* granting domain */ } grant_mapping_t; #define MAPTRACK_GNTMAP_MASK 0x1f -#define MAPTRACK_REF_SHIFT 5 -#define MAPTRACK_MAX_ENTRIES ( 1 << (16 - MAPTRACK_REF_SHIFT) ) +#define MAPTRACK_REF_SHIFT 5 +#define MAPTRACK_MAX_ENTRIES (1 << (16 - MAPTRACK_REF_SHIFT)) /* Per-domain grant information. */ typedef struct { @@ -109,10 +109,15 @@ gnttab_prepare_for_transfer( /* Notify 'rd' of a completed transfer via an already-locked grant entry. */ void gnttab_notify_transfer( - struct domain *rd, struct domain *ld, grant_ref_t ref, unsigned long frame); + struct domain *rd, struct domain *ld, + grant_ref_t ref, unsigned long frame); -/* Pre-domain destruction release of granted device mappings of other domains.*/ +/* Domain death release of granted device mappings of other domains.*/ void gnttab_release_dev_mappings(grant_table_t *gt); +/* Extra GNTST_ values, for internal use only. */ +#define GNTST_flush_all (2) /* Success, need to flush entire TLB. */ +#define GNTST_flush_one (1) /* Success, need to flush a vaddr. */ + #endif /* __XEN_GRANT_H__ */ |