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Commit 2897a563 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

drivers: hv: Get rid of some unnecessary code 



The current code unnecessarily limits the number of offers we handle.
Get rid of this limitation. As part of this cleanup, also get rid of an
unused define - MAX_MSG_TYPES.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 85f7f6c0

drivers/hv/channel_mgmt.c

+0 −87
Original line number Diff line number Diff line
@@ -37,81 +37,6 @@ struct vmbus_channel_message_table_entry { 
	void (*message_handler)(struct vmbus_channel_message_header *msg);

};



#define MAX_MSG_TYPES                    4

#define MAX_NUM_DEVICE_CLASSES_SUPPORTED 8



static const uuid_le

	supported_device_classes[MAX_NUM_DEVICE_CLASSES_SUPPORTED] = {

	/* {ba6163d9-04a1-4d29-b605-72e2ffb1dc7f} */

	/* Storage - SCSI */

	{

		.b  = {

			0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d,

			0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f

		}

	},



	/* {F8615163-DF3E-46c5-913F-F2D2F965ED0E} */

	/* Network */

	{

		.b = {

			0x63, 0x51, 0x61, 0xF8, 0x3E, 0xDF, 0xc5, 0x46,

			0x91, 0x3F, 0xF2, 0xD2, 0xF9, 0x65, 0xED, 0x0E

		}

	},



	/* {CFA8B69E-5B4A-4cc0-B98B-8BA1A1F3F95A} */

	/* Input */

	{

		.b = {

			0x9E, 0xB6, 0xA8, 0xCF, 0x4A, 0x5B, 0xc0, 0x4c,

			0xB9, 0x8B, 0x8B, 0xA1, 0xA1, 0xF3, 0xF9, 0x5A

		}

	},



	/* {32412632-86cb-44a2-9b5c-50d1417354f5} */

	/* IDE */

	{

		.b = {

			0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44,

			0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5

		}

	},

	/* 0E0B6031-5213-4934-818B-38D90CED39DB */

	/* Shutdown */

	{

		.b = {

			0x31, 0x60, 0x0B, 0X0E, 0x13, 0x52, 0x34, 0x49,

			0x81, 0x8B, 0x38, 0XD9, 0x0C, 0xED, 0x39, 0xDB

		}

	},

	/* {9527E630-D0AE-497b-ADCE-E80AB0175CAF} */

	/* TimeSync */

	{

		.b = {

			0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,

			0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf

		}

	},

	/* {57164f39-9115-4e78-ab55-382f3bd5422d} */

	/* Heartbeat */

	{

		.b = {

			0x39, 0x4f, 0x16, 0x57, 0x15, 0x91, 0x78, 0x4e,

			0xab, 0x55, 0x38, 0x2f, 0x3b, 0xd5, 0x42, 0x2d

		}

	},

	/* {A9A0F4E7-5A45-4d96-B827-8A841E8C03E6} */

	/* KVP */

	{

		.b = {

			0xe7, 0xf4, 0xa0, 0xa9, 0x45, 0x5a, 0x96, 0x4d,

			0xb8, 0x27, 0x8a, 0x84, 0x1e, 0x8c, 0x3,  0xe6

	}

	},



};





/**

 * vmbus_prep_negotiate_resp() - Create default response for Hyper-V Negotiate message
@@ -321,20 +246,8 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr) 
	struct vmbus_channel *newchannel;

	uuid_le *guidtype;

	uuid_le *guidinstance;

	int i;

	int fsupported = 0;



	offer = (struct vmbus_channel_offer_channel *)hdr;

	for (i = 0; i < MAX_NUM_DEVICE_CLASSES_SUPPORTED; i++) {

		if (!uuid_le_cmp(offer->offer.if_type,

				supported_device_classes[i])) {

			fsupported = 1;

			break;

		}

	}



	if (!fsupported)

		return;



	guidtype = &offer->offer.if_type;

	guidinstance = &offer->offer.if_instance;