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[RFC,v2,01/16] memattrs: add debug attrs

Message ID 147455592051.8519.5989099211293023972.stgit@brijesh-build-machine (mailing list archive)
State New, archived
Headers show

Commit Message

Brijesh Singh Sept. 22, 2016, 2:52 p.m. UTC 
Add a new memory debug attribute, this attribute should be set when
memory read or write access is performed for debugging purposes.

Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
---
 include/exec/memattrs.h |    4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/include/exec/memattrs.h b/include/exec/memattrs.h
index e601061..b802073 100644
--- a/include/exec/memattrs.h
+++ b/include/exec/memattrs.h
@@ -37,6 +37,8 @@  typedef struct MemTxAttrs {
     unsigned int user:1;
     /* Requester ID (for MSI for example) */
     unsigned int requester_id:16;
+    /* Memory access for debug purposes */
+    unsigned int debug:1;
 } MemTxAttrs;
 
 /* Bus masters which don't specify any attributes will get this,
@@ -46,4 +48,6 @@  typedef struct MemTxAttrs {
  */
 #define MEMTXATTRS_UNSPECIFIED ((MemTxAttrs) { .unspecified = 1 })
 
+/* Access the guest memory for debug purposes */
+#define MEMTXATTRS_DEBUG ((MemTxAttrs) { .debug = 1 })
 #endif