patch-2.4.11-dontuse linux/drivers/usb/hpusbscsi.h

• Lines: 89
• Date: Fri Oct 5 12:04:51 2001
• Orig file: v2.4.10/linux/drivers/usb/hpusbscsi.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.10/linux/drivers/usb/hpusbscsi.h linux/drivers/usb/hpusbscsi.h
@@ -0,0 +1,88 @@
+/* Header file for the hpusbscsi driver */
+/* (C) Copyright 2001 Oliver Neukum */
+/* sponsored by the Linux Usb Project */
+/* large parts based on or taken from code by John Fremlin and Matt Dharm */
+/* this file is licensed under the GPL */
+
+typedef void (*usb_urb_callback) (struct urb *);
+typedef void (*scsi_callback)(Scsi_Cmnd *);
+
+struct hpusbscsi
+{
+        struct list_head lh;
+        struct usb_device *dev; /* NULL indicates unplugged device */
+        int ep_out;
+        int ep_in;
+        int ep_int;
+        int interrupt_interval;
+
+        struct Scsi_Host *host;
+        Scsi_Host_Template ctempl;
+        int number;
+       scsi_callback scallback;
+       Scsi_Cmnd *srb;
+
+        int use_count;
+        wait_queue_head_t pending;
+        wait_queue_head_t deathrow;
+
+        struct urb dataurb;
+        struct urb controlurb;
+        int fragment;
+
+        int state;
+        int current_data_pipe;
+
+        u8 scsi_state_byte;
+};
+
+#define SCSI_ERR_MASK ~0x3fu
+
+static const unsigned char scsi_command_direction[256/8] = {
+	0x28, 0x81, 0x14, 0x14, 0x20, 0x01, 0x90, 0x77,
+	0x0C, 0x20, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+#define DIRECTION_IS_IN(x) ((scsi_command_direction[x>>3] >> (x & 7)) & 1)
+
+static int hpusbscsi_scsi_detect (struct SHT * sht);
+static void simple_command_callback(struct urb *u);
+static void scatter_gather_callback(struct urb *u);
+static void simple_payload_callback (struct urb *u);
+static void  control_interrupt_callback (struct urb *u);
+static void simple_done (struct urb *u);
+static int hpusbscsi_scsi_queuecommand (Scsi_Cmnd *srb, scsi_callback callback);
+static int hpusbscsi_scsi_host_reset (Scsi_Cmnd *srb);
+static int hpusbscsi_scsi_abort (Scsi_Cmnd *srb);
+
+static Scsi_Host_Template hpusbscsi_scsi_host_template = {
+	name:           "hpusbscsi",
+	detect:		hpusbscsi_scsi_detect,
+//	release:	hpusbscsi_scsi_release,
+	queuecommand:	hpusbscsi_scsi_queuecommand,
+
+	eh_abort_handler:	hpusbscsi_scsi_abort,
+	eh_host_reset_handler:	hpusbscsi_scsi_host_reset,
+
+	sg_tablesize:		SG_ALL,
+	can_queue:		1,
+	this_id:		-1,
+	cmd_per_lun:		1,
+	present:		0,
+	unchecked_isa_dma:	FALSE,
+	use_clustering:		TRUE,
+	use_new_eh_code:	TRUE,
+	emulated:		TRUE
+};
+
+/* defines for internal driver state */
+#define HP_STATE_FREE                 0  /*ready for next request */
+#define HP_STATE_BEGINNING      1  /*command being transfered */
+#define HP_STATE_WORKING         2  /* data transfer stage */
+#define HP_STATE_ERROR             3  /* error has been reported */
+#define HP_STATE_WAIT                 4  /* waiting for status transfer */
+#define HP_STATE_PREMATURE              5 /* status prematurely reported */
+
+