From: ftillier <ftillier@ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86>
Date: Tue, 11 Oct 2005 22:15:58 +0000 (+0000)
Subject: [HCA] Add calls to secure address ranges associated with
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=29e86cf82a5352e822debf575b31ddf22b8e83b5;p=~shefty%2Frdma-win.git

[HCA] Add calls to secure address ranges associated with
user-mode memory registrations.

Signed-off-by: Fab Tillier (ftillier@silverstorm.com)


git-svn-id: svn://openib.tc.cornell.edu/gen1@110 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86
---

diff --git a/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf.c b/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf.c
index 1e9cbeaa..a43e37e6 100644
--- a/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf.c
+++ b/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf.c
@@ -202,7 +202,31 @@ check_va_validity:
 	rc = MT_EPERM;
 	goto err2;
   }
-  	
+
+  if( mode == UserMode )
+  {
+	if (req_perm & MOSAL_PERM_WRITE)
+	{
+		new_iobuf->h_secure = MmSecureVirtualMemory(
+			(PVOID)va, (SIZE_T)size, PAGE_READWRITE );
+	}
+	else
+	{
+		new_iobuf->h_secure = MmSecureVirtualMemory(
+			(PVOID)va, (SIZE_T)size, PAGE_READONLY );
+	}
+
+	if( !new_iobuf->h_secure )
+	{
+		rc = MT_EPERM;
+		goto err3;
+	}
+  }
+  else
+  {
+	new_iobuf->h_secure = NULL;
+  }
+
   // fill IOBUF object
   new_iobuf->va = va;
   new_iobuf->size= size;
@@ -212,6 +236,8 @@ check_va_validity:
   MOSAL_dlist_insert_tail( &iobuf_p->seg_que, &new_iobuf->link );
   return MT_OK;
 
+err3:
+  MmUnlockPages( mdl_p );
 err2:
   IoFreeMdl(mdl_p);
 err1:  
@@ -222,6 +248,8 @@ err0:
 
 static void deregister_segment(MOSAL_iobuf_seg_t iobuf_seg_p)
 {
+	if( iobuf_seg_p->h_secure )
+		MmUnsecureVirtualMemory( iobuf_seg_p->h_secure);
   MmUnlockPages( iobuf_seg_p->mdl_p );    // unlock the buffer 
   IoFreeMdl( iobuf_seg_p->mdl_p );        // free MDL
   FREE(iobuf_seg_p);
diff --git a/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf_imp.h b/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf_imp.h
index ff19b196..85e8fcd3 100644
--- a/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf_imp.h
+++ b/trunk/hw/mt23108/vapi/mlxsys/mosal/os_dep/win/mosal_iobuf_imp.h
@@ -44,6 +44,7 @@ struct mosal_iobuf_seg_st {
   MT_size_t size;     /* size in bytes of the buffer */
   u_int32_t nr_pages;
   MOSAL_prot_ctx_t prot_ctx;
+  void		*h_secure;
 };
 
 typedef struct mosal_iobuf_seg_st  * MOSAL_iobuf_seg_t;