[PATCH 3/6] pvSCSI (SCSI pass through) driver

[Jun Kamada <kama@jp.fujitsu.com>]

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This patch is for vscsiif.h.

Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Jun Kamada <kama@jp.fujitsu.com>
Signed-off-by: Akira Hayakawa <hayakawa.akira@jp.fujitsu.com>

-----
Jun Kamada

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# HG changeset patch
# User t.horikoshi@jp.fujitsu.com
# Date 1193730258 -32400
# Node ID 7a834d087b6e75d02b85d8b65efc2022b5bb2cb2
# Parent  374aa5b731056b2182ff60d2efa9f3524232d8d8
[LINUX] add vscsiif.h

Signed-off-by: Tomonari Horikoshi <t.horikoshi@jp.fujitsu.com>
Signed-off-by: Tsunehisa Doi <Doi.Tsunehisa@jp.fujitsu.com>
Signed-off-by: Jun Kamada <kama@jp.fujitsu.com>
Signed-off-by: Akira Hayakawa <hayakawa.akira@jp.fujitsu.com>

diff -r 374aa5b73105 -r 7a834d087b6e include/xen/interface/io/vscsiif.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/xen/interface/io/vscsiif.h	Tue Oct 30 16:44:18 2007 +0900
@@ -0,0 +1,238 @@
+/******************************************************************************
+ * scsiif.h
+ * 
+ * Based on the blkif.h code.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Copyright(c) FUJITSU Limited 2007.
+ */
+
+#ifndef __XEN__PUBLIC_IO_SCSI_H__
+#define __XEN__PUBLIC_IO_SCSI_H__
+
+#include "ring.h"
+#include "../grant_table.h"
+
+#ifdef CONFIG_XEN_FC
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_fc.h>
+#endif
+
+#define CMND_SCSI			1	/* scsi */
+#define CMND_SCSI_RESET			2	/* scsi */
+
+#ifdef CONFIG_XEN_FC
+#define CMND_GET_HOST_PORT_ID		101	/* ghpi */
+#define CMND_GET_HOST_PORT_TYPE		102	/* ghpt */
+#define CMND_GET_HOST_PORT_STATE	103	/* ghps */
+#define CMND_GET_HOST_ACTIVE_FC4S	104	/* ghaf */
+#define CMND_GET_HOST_SPEED		105	/* ghsp */
+#define CMND_GET_HOST_FABRIC_NAME	106	/* ghfn */
+#define CMND_GET_HOST_STATS		107	/* ghst */
+#define CMND_RESET_HOST_STATS		108	/* rhst */
+#define CMND_ISSUE_HOST_LIP		109	/* ihli */
+#define CMND_GET_STARGET_PORT_ID	121	/* gtpi */
+#define CMND_GET_STARGET_NODE_NAME	122	/* gtnn */
+#define CMND_GET_STARGET_PORT_NAME	123	/* gtpn */
+#define CMND_GET_RPORT_LOSS_TMO		141	/* gplt */
+#define CMND_SET_RPORT_LOSS_TMO		142	/* splt */
+#define CMND_GET_INITIAL_SHOST_ATTRIB	161	/* giha */
+#define CMND_GET_INITIAL_STARGET_ATTRIB	162	/* gita */
+#define CMND_GET_INITIAL_RPORT_ATTRIB	163	/* gipa */
+#define CMND_GET_FUNCTION_TEMPLATE	181	/* gftp */
+#endif
+
+/* ----------------------------------------------------------------------
+	Definition of Ring Structures
+   ---------------------------------------------------------------------- */
+
+#define DEFAULT_CAN_QUEUE	256
+#define VSCSI_MAX_COMMAND_SIZE	16
+#define SG_TABLESIZE		32
+
+#define SCSIIF_REQ_OKAY		0
+#define SCSIIF_BTFRING_BUSY	1
+
+/* Definition of
+ *	union  vscsiif_ftb_sring_entry,
+ *	struct vscsiif_ftb_sring,
+ *	struct vscsiif_ftb_front_ring,
+ *	struct vscsiif_ftb_back_ring,
+ *	vscsiif_ftb_sring_t,
+ *	vscsiif_ftb_front_ring_t,
+ *	vscsiif_ftb_back_ring_t
+*/
+struct vscsiif_ftb_request {
+	uint32_t rqid;
+	uint32_t cmnd;
+	union {
+		/* SCSI */
+		struct scsiif_ftb_request {
+			uint8_t cmnd[VSCSI_MAX_COMMAND_SIZE];
+			uint8_t cmd_len;
+			uint32_t id, lun, channel;
+			uint16_t sc_data_direction;
+			uint16_t use_sg;
+			uint16_t request_bufflen;
+			int32_t timeout_per_command;
+			struct scsiif_request_segment {
+				grant_ref_t gref;
+				uint32_t offset;
+				uint32_t length;
+			} seg[SG_TABLESIZE];
+			uint32_t padding;
+		} scsi;
+#ifdef CONFIG_XEN_FC
+		/* Get_sTarget_Port_Id */
+		/* Get_sTarget_Node_Name */
+		/* Get_sTarget_Port_Name */
+		struct {
+			u32 channel;
+			u32 id;
+		} gtpi, gtnn, gtpn;
+
+		/* Get_rPort_Loss_Tmo */
+		struct {
+			u64 node_name;
+			u64 port_name;
+			u32 port_id;
+			u32 roles;
+		} gplt;
+
+		/* Set_rPort_Loss_Tmo */
+		struct {
+			u64 node_name;
+			u64 port_name;
+			u32 port_id;
+			u32 roles;
+			u32 timeout;
+			u32 padding;
+		} splt;
+#endif
+	} u;
+};
+
+struct vscsiif_ftb_response {
+	uint16_t status;
+	union {
+		struct scsiif_ftb_response {
+		} scsi;
+	} u;
+};
+
+DEFINE_RING_TYPES(vscsiif_ftb, struct vscsiif_ftb_request, struct vscsiif_ftb_response);
+
+
+#define SCSI_SENSE_BUFFERSIZE 	96
+
+/* Definition of
+ *		union  vscsiif_btf_sring_entry,
+ *		struct vscsiif_btf_sring,
+ *		struct vscsiif_btf_front_ring,
+ *		struct vscsiif_btf_back_ring,
+ *		vscsiif_btf_sring_t,
+ *		vscsiif_btf_front_ring_t,
+ *		vscsiif_btf_back_ring_t
+*/
+struct vscsiif_btf_request {
+	uint32_t rqid;
+	int32_t  rslt;
+	union {
+		/* SCSI */
+		struct scsiif_response {
+			uint32_t sense_len;
+			uint8_t sense_buffer[SCSI_SENSE_BUFFERSIZE];
+		} scsi;
+
+#ifdef CONFIG_XEN_FC
+		/* Get_Host_Port_Id */
+		struct {
+			u32 port_id;
+		} ghpi;
+
+		/* Get_Host_Port_Type */
+		struct {
+			enum fc_port_type port_type;
+		} ghpt;
+
+		/* Get_Host_Port_State */
+		struct {
+			enum fc_port_state port_state;
+		} ghps;
+
+		/* Get_Host_Active_Fc4s */
+		struct {
+			u8 active_fc4s[FC_FC4_LIST_SIZE];
+		} ghaf;
+
+		/* Get_Host_SPeed */
+		struct {
+			u32 speed;
+		} ghsp;
+
+		/* Get_Host_Fabric_Name */
+		struct {
+			u64 fabric_name;
+		} ghfn;
+
+		/* Get_Host_STats */
+		struct {
+			struct fc_host_statistics stats;
+		} ghst;
+
+		/* Get_sTarget_Port_Id */
+		struct {
+			u32 port_id;
+		} gtpi;
+
+		/* Get_sTarget_Node_Name */
+		struct {
+			u64 node_name;
+		} gtnn;
+
+		/* Get_sTarget_Port_Name */
+		struct {
+			u64 port_name;
+		} gtpn;
+
+		/* Get_rPort_Loss_Tmo */
+		struct {
+			u32 timeout;
+		} gplt;
+
+		/* Set_rPort_Loss_Tmo */
+		struct {
+			u32 timeout;
+		} splt;
+#endif
+	} u;
+};
+
+struct vscsiif_btf_response {
+	union {
+		struct scsiif_btf_response {
+
+		} scsi;
+	} u;
+};
+
+DEFINE_RING_TYPES(vscsiif_btf, struct vscsiif_btf_request, struct vscsiif_btf_response);
+
+#endif

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