--- /dev/null
+/*
+ *
+ * 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 _STORVSC_API_H_
+#define _STORVSC_API_H_
+
+#include "include/VmbusApi.h"
+
+/* Defines */
+#define STORVSC_RING_BUFFER_SIZE (10*PAGE_SIZE)
+#define BLKVSC_RING_BUFFER_SIZE (20*PAGE_SIZE)
+
+#define STORVSC_MAX_IO_REQUESTS 64
+
+/*
+ * In Hyper-V, each port/path/target maps to 1 scsi host adapter. In
+ * reality, the path/target is not used (ie always set to 0) so our
+ * scsi host adapter essentially has 1 bus with 1 target that contains
+ * up to 256 luns.
+ */
+#define STORVSC_MAX_LUNS_PER_TARGET 64
+#define STORVSC_MAX_TARGETS 1
+#define STORVSC_MAX_CHANNELS 1
+
+struct hv_storvsc_request;
+
+/* Data types */
+typedef int (*PFN_ON_IO_REQUEST)(struct hv_device *Device,
+ struct hv_storvsc_request *Request);
+typedef void (*PFN_ON_IO_REQUEST_COMPLTN)(struct hv_storvsc_request *Request);
+
+typedef int (*PFN_ON_HOST_RESET)(struct hv_device *Device);
+typedef void (*PFN_ON_HOST_RESCAN)(struct hv_device *Device);
+
+/* Matches Windows-end */
+enum storvsc_request_type{
+ WRITE_TYPE,
+ READ_TYPE,
+ UNKNOWN_TYPE,
+};
+
+struct hv_storvsc_request {
+ enum storvsc_request_type Type;
+ u32 Host;
+ u32 Bus;
+ u32 TargetId;
+ u32 LunId;
+ u8 *Cdb;
+ u32 CdbLen;
+ u32 Status;
+ u32 BytesXfer;
+
+ unsigned char *SenseBuffer;
+ u32 SenseBufferSize;
+
+ void *Context;
+
+ PFN_ON_IO_REQUEST_COMPLTN OnIOCompletion;
+
+ /* This points to the memory after DataBuffer */
+ void *Extension;
+
+ struct hv_multipage_buffer DataBuffer;
+};
+
+/* Represents the block vsc driver */
+struct storvsc_driver_object {
+ /* Must be the first field */
+ /* Which is a bug FIXME! */
+ struct hv_driver Base;
+
+ /* Set by caller (in bytes) */
+ u32 RingBufferSize;
+
+ /* Allocate this much private extension for each I/O request */
+ u32 RequestExtSize;
+
+ /* Maximum # of requests in flight per channel/device */
+ u32 MaxOutstandingRequestsPerChannel;
+
+ /* Set by the caller to allow us to re-enumerate the bus on the host */
+ PFN_ON_HOST_RESCAN OnHostRescan;
+
+ /* Specific to this driver */
+ PFN_ON_IO_REQUEST OnIORequest;
+ PFN_ON_HOST_RESET OnHostReset;
+};
+
+struct storvsc_device_info {
+ unsigned int PortNumber;
+ unsigned char PathId;
+ unsigned char TargetId;
+};
+
+/* Interface */
+int StorVscInitialize(struct hv_driver *driver);
+int BlkVscInitialize(struct hv_driver *driver);
+
+#endif /* _STORVSC_API_H_ */
+++ /dev/null
-/*
- *
- * 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 _STORVSC_API_H_
-#define _STORVSC_API_H_
-
-#include "VmbusApi.h"
-
-/* Defines */
-#define STORVSC_RING_BUFFER_SIZE (10*PAGE_SIZE)
-#define BLKVSC_RING_BUFFER_SIZE (20*PAGE_SIZE)
-
-#define STORVSC_MAX_IO_REQUESTS 64
-
-/*
- * In Hyper-V, each port/path/target maps to 1 scsi host adapter. In
- * reality, the path/target is not used (ie always set to 0) so our
- * scsi host adapter essentially has 1 bus with 1 target that contains
- * up to 256 luns.
- */
-#define STORVSC_MAX_LUNS_PER_TARGET 64
-#define STORVSC_MAX_TARGETS 1
-#define STORVSC_MAX_CHANNELS 1
-
-struct hv_storvsc_request;
-
-/* Data types */
-typedef int (*PFN_ON_IO_REQUEST)(struct hv_device *Device,
- struct hv_storvsc_request *Request);
-typedef void (*PFN_ON_IO_REQUEST_COMPLTN)(struct hv_storvsc_request *Request);
-
-typedef int (*PFN_ON_HOST_RESET)(struct hv_device *Device);
-typedef void (*PFN_ON_HOST_RESCAN)(struct hv_device *Device);
-
-/* Matches Windows-end */
-enum storvsc_request_type{
- WRITE_TYPE,
- READ_TYPE,
- UNKNOWN_TYPE,
-};
-
-struct hv_storvsc_request {
- enum storvsc_request_type Type;
- u32 Host;
- u32 Bus;
- u32 TargetId;
- u32 LunId;
- u8 *Cdb;
- u32 CdbLen;
- u32 Status;
- u32 BytesXfer;
-
- unsigned char *SenseBuffer;
- u32 SenseBufferSize;
-
- void *Context;
-
- PFN_ON_IO_REQUEST_COMPLTN OnIOCompletion;
-
- /* This points to the memory after DataBuffer */
- void *Extension;
-
- struct hv_multipage_buffer DataBuffer;
-};
-
-/* Represents the block vsc driver */
-struct storvsc_driver_object {
- /* Must be the first field */
- /* Which is a bug FIXME! */
- struct hv_driver Base;
-
- /* Set by caller (in bytes) */
- u32 RingBufferSize;
-
- /* Allocate this much private extension for each I/O request */
- u32 RequestExtSize;
-
- /* Maximum # of requests in flight per channel/device */
- u32 MaxOutstandingRequestsPerChannel;
-
- /* Set by the caller to allow us to re-enumerate the bus on the host */
- PFN_ON_HOST_RESCAN OnHostRescan;
-
- /* Specific to this driver */
- PFN_ON_IO_REQUEST OnIORequest;
- PFN_ON_HOST_RESET OnHostReset;
-};
-
-struct storvsc_device_info {
- unsigned int PortNumber;
- unsigned char PathId;
- unsigned char TargetId;
-};
-
-/* Interface */
-int StorVscInitialize(struct hv_driver *driver);
-int BlkVscInitialize(struct hv_driver *driver);
-
-#endif /* _STORVSC_API_H_ */
projects / mirror_ubuntu-jammy-kernel.git / commitdiff