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From: Brijesh Singh <brijesh.singh@amd.com>
To: Thomas.Lendacky@amd.com, ehabkost@redhat.com,
	crosthwaite.peter@gmail.com, armbru@redhat.com, mst@redhat.com,
	p.fedin@samsung.com, qemu-devel@nongnu.org,
	lcapitulino@redhat.com, pbonzini@redhat.com, rth@twiddle.net
Cc: brijesh.ksingh@gmail.com
Subject: [Qemu-devel] [RFC PATCH v3 01/18] memattrs: add debug attrs
Date: Tue, 1 Nov 2016 11:51:59 -0400	[thread overview]
Message-ID: <147801551919.18237.5576973583407737765.stgit@brijesh-build-machine> (raw)
In-Reply-To: <147801550845.18237.12915616525154608660.stgit@brijesh-build-machine>

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(+)

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

  reply	other threads:[~2016-11-01 15:52 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-01 15:51 [Qemu-devel] [RFC PATCH v3 00/18] x86: Secure Encrypted Virtualization (AMD) Brijesh Singh
2016-11-01 15:51 ` Brijesh Singh [this message]
2016-11-01 15:52 ` [Qemu-devel] [RFC PATCH v3 02/18] exec: add guest RAM read and write ops Brijesh Singh
2016-11-01 15:52 ` [Qemu-devel] [RFC PATCH v3 03/18] exec: add debug version of physical memory read and write apis Brijesh Singh
2016-11-01 15:52 ` [Qemu-devel] [RFC PATCH v3 04/18] monitor: use debug version of memory access apis Brijesh Singh
2016-11-01 15:52 ` [Qemu-devel] [RFC PATCH v3 05/18] core: add new security-policy object Brijesh Singh
2016-11-01 15:52 ` [Qemu-devel] [RFC PATCH v3 06/18] kvm: add memory encryption APIs Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 07/18] sev: add Secure Encrypted Virtulization (SEV) support Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 08/18] hmp: display memory encryption support in 'info kvm' Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 09/18] core: loader: create memory encryption context before copying data Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 10/18] sev: add LAUNCH_START command Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 11/18] sev: add LAUNCH_UPDATE command Brijesh Singh
2016-11-01 15:53 ` [Qemu-devel] [RFC PATCH v3 12/18] sev: add LAUNCH_FINISH command Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 13/18] sev: add DEBUG_DECRYPT command Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 14/18] sev: add DEBUG_ENCRYPT command Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 15/18] i386: register memory encryption ops Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 16/18] target-i386: add cpuid Fn8000_001f Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 17/18] i386: clear C-bit in SEV guest page table walk Brijesh Singh
2016-11-01 15:54 ` [Qemu-devel] [RFC PATCH v3 18/18] migration: disable save/restore and migration on SEV guest Brijesh Singh
2016-11-01 16:22 ` [Qemu-devel] [RFC PATCH v3 00/18] x86: Secure Encrypted Virtualization (AMD) no-reply
2016-11-01 16:31   ` Peter Maydell
2016-11-01 16:24 ` no-reply

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