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authorFlorin Coras <fcoras@cisco.com>2018-01-14 12:25:50 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2018-01-15 16:39:12 +0000
commit4d9b9d8e74f12a26404ccdd8baf46c61b44584db (patch)
tree2c9e0314664fca52722431f14928e1b3fd0017fb /src/svm/ssvm.h
parent149a1433b0e6301a34989f5e8c7ebed3fa5bf74e (diff)
svm: refactor memfd and remove ssvm_eth
Change-Id: Icde296e956eb89ea3a17d547f04a833916ec6440 Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/svm/ssvm.h')
-rw-r--r--src/svm/ssvm.h25
1 files changed, 22 insertions, 3 deletions
diff --git a/src/svm/ssvm.h b/src/svm/ssvm.h
index 8466e15579b..0295e302e72 100644
--- a/src/svm/ssvm.h
+++ b/src/svm/ssvm.h
@@ -37,6 +37,7 @@
#include <vppinfra/heap.h>
#include <vppinfra/pool.h>
#include <vppinfra/format.h>
+#include <vppinfra/linux/syscall.h>
#ifndef MMAP_PAGESIZE
#define MMAP_PAGESIZE (clib_mem_get_page_size())
@@ -76,12 +77,12 @@ typedef struct
ssvm_shared_header_t *sh;
u64 ssvm_size;
u32 my_pid;
- u32 vlib_hw_if_index;
u8 *name;
uword requested_va;
int i_am_master;
- u32 per_interface_next_index;
- u32 *rx_queue;
+
+ /* Needed by memfd segments */
+ int fd;
} ssvm_private_t;
always_inline void
@@ -165,6 +166,24 @@ int ssvm_master_init (ssvm_private_t * ssvm, u32 master_index);
int ssvm_slave_init (ssvm_private_t * ssvm, int timeout_in_seconds);
void ssvm_delete (ssvm_private_t * ssvm);
+int ssvm_master_init_memfd (ssvm_private_t * memfd, u32 master_index);
+int ssvm_slave_init_memfd (ssvm_private_t * memfd);
+void memfd_delete (ssvm_private_t * memfd);
+
+/* These do not belong here, but the original keeps running around... */
+/* $$$$ work w/ Damjan to fix properly */
+#ifndef F_LINUX_SPECIFIC_BASE
+#define F_LINUX_SPECIFIC_BASE 1024
+#endif
+#define MFD_ALLOW_SEALING 0x0002U
+#define F_ADD_SEALS (F_LINUX_SPECIFIC_BASE + 9)
+#define F_GET_SEALS (F_LINUX_SPECIFIC_BASE + 10)
+
+#define F_SEAL_SEAL 0x0001 /* prevent further seals from being set */
+#define F_SEAL_SHRINK 0x0002 /* prevent file from shrinking */
+#define F_SEAL_GROW 0x0004 /* prevent file from growing */
+#define F_SEAL_WRITE 0x0008 /* prevent writes */
+
#endif /* __included_ssvm_h__ */
/*