diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-01-16 02:40:18 -0800 |
|---|---|---|
| committer |   Dave Barach <openvpp@barachs.net> | 2018-01-17 19:11:14 +0000 |
| commit | d3e83a9c82b4a57c24061828db6a309692f7f2d4 (patch) | |
| tree | cf774d9a360267686929dd0956a38de001acd9ff /src/vppinfra/mem.h | |
| parent | 919f377efefb9c97a5206923f41651da559ad3fa (diff) | |
ssvm: reuse clib mem infra for memfd segments
Change-Id: I67648dbed3c7ed291b3e1ce617d83a776d3623bb
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/vppinfra/mem.h')
| -rw-r--r-- | src/vppinfra/mem.h | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/vppinfra/mem.h b/src/vppinfra/mem.h index 69ab880317d..b566e8d8895 100644 --- a/src/vppinfra/mem.h +++ b/src/vppinfra/mem.h @@ -330,7 +330,7 @@ typedef struct #define CLIB_MEM_VM_F_HUGETLB_PREALLOC (1 << 4) u32 flags; /**< vm allocation flags: <br> CLIB_MEM_VM_F_SHARED: request shared memory, file - destiptor will be provided on successful allocation. + descriptor will be provided on successful allocation. <br> CLIB_MEM_VM_F_HUGETLB: request hugepages. <br> CLIB_MEM_VM_F_NUMA_PREFER: numa_node field contains valid numa node preference. @@ -342,15 +342,26 @@ typedef struct uword size; /**< Allocation size, set by caller. */ int numa_node; /**< numa node preference. Valid if CLIB_MEM_VM_F_NUMA_PREFER set. */ void *addr; /**< Pointer to allocated memory, set on successful allocation. */ - int fd; /**< File desriptor, set on successful allocation if CLIB_MEM_VM_F_SHARED is set. */ + int fd; /**< File descriptor, set on successful allocation if CLIB_MEM_VM_F_SHARED is set. */ int log2_page_size; /* Page size in log2 format, set on successful allocation. */ int n_pages; /* Number of pages. */ + uword requested_va; /**< Request fixed position mapping */ } clib_mem_vm_alloc_t; clib_error_t *clib_mem_vm_ext_alloc (clib_mem_vm_alloc_t * a); +u64 clib_mem_vm_get_page_size (int fd); int clib_mem_vm_get_log2_page_size (int fd); u64 *clib_mem_vm_get_paddr (void *mem, int log2_page_size, int n_pages); +typedef struct +{ + uword size; /**< Map size */ + int fd; /**< File descriptor to be mapped */ + uword requested_va; /**< Request fixed position mapping */ + void *addr; /**< Pointer to mapped memory, if successful */ +} clib_mem_vm_map_t; +clib_error_t *clib_mem_vm_ext_map (clib_mem_vm_map_t * a); + #include <vppinfra/error.h> /* clib_panic */ |