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authorDavid S. Miller <davem@davemloft.net>2009-09-24 15:13:11 -0700
committerDavid S. Miller <davem@davemloft.net>2009-09-24 15:13:11 -0700
commit8b3f6af86378d0a10ca2f1ded1da124aef13b62c (patch)
treede6ca90295730343c495be8d98be8efa322140ef /drivers/staging/hv/Hv.h
parent139d6065c83071d5f66cd013a274a43699f8e2c1 (diff)
parent94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/cpc-usb/TODO drivers/staging/cpc-usb/cpc-usb_drv.c drivers/staging/cpc-usb/cpc.h drivers/staging/cpc-usb/cpc_int.h drivers/staging/cpc-usb/cpcusb.h
Diffstat (limited to 'drivers/staging/hv/Hv.h')
-rw-r--r--drivers/staging/hv/Hv.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/Hv.h
new file mode 100644
index 00000000000..5379e4bfc56
--- /dev/null
+++ b/drivers/staging/hv/Hv.h
@@ -0,0 +1,144 @@
+/*
+ *
+ * Copyright (c) 2009, Microsoft Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * Authors:
+ * Haiyang Zhang <haiyangz@microsoft.com>
+ * Hank Janssen <hjanssen@microsoft.com>
+ *
+ */
+
+
+#ifndef __HV_H__
+#define __HV_H__
+
+#include "hv_api.h"
+
+enum {
+ VMBUS_MESSAGE_CONNECTION_ID = 1,
+ VMBUS_MESSAGE_PORT_ID = 1,
+ VMBUS_EVENT_CONNECTION_ID = 2,
+ VMBUS_EVENT_PORT_ID = 2,
+ VMBUS_MONITOR_CONNECTION_ID = 3,
+ VMBUS_MONITOR_PORT_ID = 3,
+ VMBUS_MESSAGE_SINT = 2,
+};
+
+/* #defines */
+
+#define HV_PRESENT_BIT 0x80000000
+
+#define HV_XENLINUX_GUEST_ID_LO 0x00000000
+#define HV_XENLINUX_GUEST_ID_HI 0x0B00B135
+#define HV_XENLINUX_GUEST_ID (((u64)HV_XENLINUX_GUEST_ID_HI << 32) \
+ | HV_XENLINUX_GUEST_ID_LO)
+
+#define HV_LINUX_GUEST_ID_LO 0x00000000
+#define HV_LINUX_GUEST_ID_HI 0xB16B00B5
+#define HV_LINUX_GUEST_ID (((u64)HV_LINUX_GUEST_ID_HI << 32) | \
+ HV_LINUX_GUEST_ID_LO)
+
+#define HV_CPU_POWER_MANAGEMENT (1 << 0)
+#define HV_RECOMMENDATIONS_MAX 4
+
+#define HV_X64_MAX 5
+#define HV_CAPS_MAX 8
+
+
+#define HV_HYPERCALL_PARAM_ALIGN sizeof(u64)
+
+
+/* Service definitions */
+
+#define HV_SERVICE_PARENT_PORT (0)
+#define HV_SERVICE_PARENT_CONNECTION (0)
+
+#define HV_SERVICE_CONNECT_RESPONSE_SUCCESS (0)
+#define HV_SERVICE_CONNECT_RESPONSE_INVALID_PARAMETER (1)
+#define HV_SERVICE_CONNECT_RESPONSE_UNKNOWN_SERVICE (2)
+#define HV_SERVICE_CONNECT_RESPONSE_CONNECTION_REJECTED (3)
+
+#define HV_SERVICE_CONNECT_REQUEST_MESSAGE_ID (1)
+#define HV_SERVICE_CONNECT_RESPONSE_MESSAGE_ID (2)
+#define HV_SERVICE_DISCONNECT_REQUEST_MESSAGE_ID (3)
+#define HV_SERVICE_DISCONNECT_RESPONSE_MESSAGE_ID (4)
+#define HV_SERVICE_MAX_MESSAGE_ID (4)
+
+#define HV_SERVICE_PROTOCOL_VERSION (0x0010)
+#define HV_CONNECT_PAYLOAD_BYTE_COUNT 64
+
+/* #define VMBUS_REVISION_NUMBER 6 */
+
+/* Our local vmbus's port and connection id. Anything >0 is fine */
+/* #define VMBUS_PORT_ID 11 */
+
+/* 628180B8-308D-4c5e-B7DB-1BEB62E62EF4 */
+static const struct hv_guid VMBUS_SERVICE_ID = {
+ .data = {
+ 0xb8, 0x80, 0x81, 0x62, 0x8d, 0x30, 0x5e, 0x4c,
+ 0xb7, 0xdb, 0x1b, 0xeb, 0x62, 0xe6, 0x2e, 0xf4
+ },
+};
+
+#define MAX_NUM_CPUS 1
+
+
+struct hv_input_signal_event_buffer {
+ u64 Align8;
+ struct hv_input_signal_event Event;
+};
+
+struct hv_context {
+ /* XenLinux or native Linux. If XenLinux, the hypercall and synic pages
+ * has already been initialized */
+ u64 GuestId;
+
+ void *HypercallPage;
+
+ bool SynICInitialized;
+
+ /*
+ * This is used as an input param to HvCallSignalEvent hypercall. The
+ * input param is immutable in our usage and must be dynamic mem (vs
+ * stack or global). */
+ struct hv_input_signal_event_buffer *SignalEventBuffer;
+ /* 8-bytes aligned of the buffer above */
+ struct hv_input_signal_event *SignalEventParam;
+
+ void *synICMessagePage[MAX_NUM_CPUS];
+ void *synICEventPage[MAX_NUM_CPUS];
+};
+
+extern struct hv_context gHvContext;
+
+
+/* Hv Interface */
+
+extern int HvInit(void);
+
+extern void HvCleanup(void);
+
+extern u16 HvPostMessage(union hv_connection_id connectionId,
+ enum hv_message_type messageType,
+ void *payload, size_t payloadSize);
+
+extern u16 HvSignalEvent(void);
+
+extern int HvSynicInit(u32 irqVector);
+
+extern void HvSynicCleanup(void);
+
+#endif /* __HV_H__ */