diff options
author | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-09-24 15:13:11 -0700 |
commit | 8b3f6af86378d0a10ca2f1ded1da124aef13b62c (patch) | |
tree | de6ca90295730343c495be8d98be8efa322140ef /drivers/staging/hv/Hv.h | |
parent | 139d6065c83071d5f66cd013a274a43699f8e2c1 (diff) | |
parent | 94e0fb086fc5663c38bbc0fe86d698be8314f82f (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.h | 144 |
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__ */ |