linux-kernel - [PATCH v2 03/11] xen: Introduce architecture independent data for kexec/kdump

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1353423893-23125-4-git-send-email-daniel.kiper@oracle.com>
Date:	Tue, 20 Nov 2012 16:04:45 +0100
From:	Daniel Kiper <daniel.kiper@...cle.com>
To:	andrew.cooper3@...rix.com, ebiederm@...ssion.com, hpa@...or.com,
	jbeulich@...e.com, konrad.wilk@...cle.com, mingo@...hat.com,
	tglx@...utronix.de, x86@...nel.org, kexec@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org,
	xen-devel@...ts.xensource.com
Cc:	Daniel Kiper <daniel.kiper@...cle.com>
Subject: [PATCH v2 03/11] xen: Introduce architecture independent data for kexec/kdump

Introduce architecture independent constants and structures
required by Xen kexec/kdump implementation.

Signed-off-by: Daniel Kiper <daniel.kiper@...cle.com>
---
 include/xen/interface/xen.h |   33 +++++++++++++++++++++++++++++++++
 1 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/include/xen/interface/xen.h b/include/xen/interface/xen.h
index 886a5d8..09c16ab 100644
--- a/include/xen/interface/xen.h
+++ b/include/xen/interface/xen.h
@@ -57,6 +57,7 @@
 #define __HYPERVISOR_event_channel_op     32
 #define __HYPERVISOR_physdev_op           33
 #define __HYPERVISOR_hvm_op               34
+#define __HYPERVISOR_kexec_op             37
 #define __HYPERVISOR_tmem_op              38
 
 /* Architecture-specific hypercall definitions. */
@@ -231,7 +232,39 @@ DEFINE_GUEST_HANDLE_STRUCT(mmuext_op);
 #define VMASST_TYPE_pae_extended_cr3     3
 #define MAX_VMASST_TYPE 3
 
+/*
+ * Commands to HYPERVISOR_kexec_op().
+ */
+#define KEXEC_CMD_kexec			0
+#define KEXEC_CMD_kexec_load		1
+#define KEXEC_CMD_kexec_unload		2
+#define KEXEC_CMD_kexec_get_range	3
+
+/*
+ * Memory ranges for kdump (utilized by HYPERVISOR_kexec_op()).
+ */
+#define KEXEC_RANGE_MA_CRASH		0
+#define KEXEC_RANGE_MA_XEN		1
+#define KEXEC_RANGE_MA_CPU		2
+#define KEXEC_RANGE_MA_XENHEAP		3
+#define KEXEC_RANGE_MA_BOOT_PARAM	4
+#define KEXEC_RANGE_MA_EFI_MEMMAP	5
+#define KEXEC_RANGE_MA_VMCOREINFO	6
+
 #ifndef __ASSEMBLY__
+struct xen_kexec_exec {
+	int type;
+};
+
+struct xen_kexec_range {
+	int range;
+	int nr;
+	unsigned long size;
+	unsigned long start;
+};
+
+extern unsigned long xen_vmcoreinfo_maddr;
+extern unsigned long xen_vmcoreinfo_max_size;
 
 typedef uint16_t domid_t;
 
-- 
1.5.6.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/