drivers/scsi/53c700_d.h_shipped

Source file repositories/reference/linux-study-clean/drivers/scsi/53c700_d.h_shipped

File Facts

System
Linux kernel
Corpus path
drivers/scsi/53c700_d.h_shipped
Extension
.h_shipped
Size
28886 bytes
Lines
1330
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: drivers/scsi
Status
atlas-only

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

static u32 SCRIPT[] = {
/*
; Script for the NCR (or symbios) 53c700 and 53c700-66 chip
;
; Copyright (C) 2001 James.Bottomley@HansenPartnership.com
;;-----------------------------------------------------------------------------
;;  
;;  This program is free software; you can redistribute it and/or modify
;;  it under the terms of the GNU General Public License as published by
;;  the Free Software Foundation; either version 2 of the License, or
;;  (at your option) any later version.
;;
;;  This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
;;
;;-----------------------------------------------------------------------------
;
; This script is designed to be modified for the particular command in
; operation.  The particular variables pertaining to the commands are:
;
ABSOLUTE	Device_ID = 0		; ID of target for command
ABSOLUTE	MessageCount = 0	; Number of bytes in message
ABSOLUTE	MessageLocation = 0	; Addr of message
ABSOLUTE	CommandCount = 0	; Number of bytes in command
ABSOLUTE	CommandAddress = 0	; Addr of Command
ABSOLUTE	StatusAddress = 0	; Addr to receive status return
ABSOLUTE	ReceiveMsgAddress = 0	; Addr to receive msg
;
; This is the magic component for handling scatter-gather.  Each of the
; SG components is preceded by a script fragment which moves the
; necessary amount of data and jumps to the next SG segment.  The final
; SG segment jumps back to .  However, this address is the first SG script
; segment.
;
ABSOLUTE	SGScriptStartAddress = 0

; The following represent status interrupts we use 3 hex digits for
; this: 0xPRS where 

; P:
ABSOLUTE	AFTER_SELECTION 	= 0x100
ABSOLUTE	BEFORE_CMD 		= 0x200
ABSOLUTE	AFTER_CMD 		= 0x300
ABSOLUTE	AFTER_STATUS 		= 0x400
ABSOLUTE	AFTER_DATA_IN		= 0x500
ABSOLUTE	AFTER_DATA_OUT		= 0x600
ABSOLUTE	DURING_DATA_IN		= 0x700

; R:
ABSOLUTE	NOT_MSG_OUT 		= 0x10
ABSOLUTE	UNEXPECTED_PHASE 	= 0x20
ABSOLUTE	NOT_MSG_IN 		= 0x30
ABSOLUTE	UNEXPECTED_MSG		= 0x40
ABSOLUTE	MSG_IN			= 0x50
ABSOLUTE	SDTR_MSG_R		= 0x60
ABSOLUTE	REJECT_MSG_R		= 0x70
ABSOLUTE	DISCONNECT		= 0x80
ABSOLUTE	MSG_OUT			= 0x90
ABSOLUTE	WDTR_MSG_R		= 0xA0

; S:
ABSOLUTE	GOOD_STATUS 		= 0x1

; Combinations, since the script assembler can't process |

Annotation

Implementation Notes