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Drivers: hv: kvp: Cleanup error handling in KVP

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In preparation to implementing IP injection, cleanup the way we propagate
and handle errors both in the driver as well as in the user level daemon.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
K. Y. Srinivasan
2012-08-13 10:06:52 -07:00
committed by Greg Kroah-Hartman
parent 9b5957803c
commit b47a81dcc5
3 changed files with 135 additions and 62 deletions
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17
include/linux/hyperv.h
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@@ -181,6 +181,17 @@ enum hv_kvp_exchg_pool {
KVP_POOL_COUNT /* Number of pools, must be last. */
};
/*
* Some Hyper-V status codes.
*/
#define HV_S_OK 0x00000000
#define HV_E_FAIL 0x80004005
#define HV_S_CONT 0x80070103
#define HV_ERROR_NOT_SUPPORTED 0x80070032
#define HV_ERROR_MACHINE_LOCKED 0x800704F7
#define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F
#define ADDR_FAMILY_NONE 0x00
#define ADDR_FAMILY_IPV4 0x01
#define ADDR_FAMILY_IPV6 0x02
@@ -1048,12 +1059,6 @@ void vmbus_driver_unregister(struct hv_driver *hv_driver);
#define ICMSGHDRFLAG_REQUEST 2
#define ICMSGHDRFLAG_RESPONSE 4
#define HV_S_OK 0x00000000
#define HV_E_FAIL 0x80004005
#define HV_S_CONT 0x80070103
#define HV_ERROR_NOT_SUPPORTED 0x80070032
#define HV_ERROR_MACHINE_LOCKED 0x800704F7
#define HV_ERROR_DEVICE_NOT_CONNECTED 0x8007048F
/*
* While we want to handle util services as regular devices,