From patchwork Wed Mar 14 11:48:27 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 10281931 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 8AA23601E9 for ; Wed, 14 Mar 2018 11:49:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 76D0E286AA for ; Wed, 14 Mar 2018 11:49:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B68A28858; Wed, 14 Mar 2018 11:49:12 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 70B7C286AA for ; Wed, 14 Mar 2018 11:49:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751475AbeCNLtI (ORCPT ); Wed, 14 Mar 2018 07:49:08 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:44886 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751532AbeCNLtG (ORCPT ); Wed, 14 Mar 2018 07:49:06 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=9kA+ex+zdgSJIOfwdspF6g5pqe2Vm8pfXtyIGNHFZbo=; b=USETArLZGvKEONccL3HBB8qtg RO8eSB6UvvQHgrBzgg59VmMbXBufx3u8w+5h1cMmEG+Y/NH7a68lAdbxHWMRQwkBr8WAIfAyrL2tz jWFbhH/wEWNn5OFhxfDTfmiWRQFYiFvVKmKFSW6WeVJ0O3lzioBa64pTJz5/4s2dpdqkMgnS519+n OP0g4R8eSdMlKSMKMRhA58aFZbaUvVZy3cBfjXpbCVD9mZN773TkF6Dm78rUGmwqEY17bQPjvXWLQ 8Wu+OqiENUyO/5l3+KRwCEnFZb0cIX7gCSKg/QKw0z2eDPZkuNeQwWPF83/RuEQvJQb1CKCj+/JSA 9ZVWmJLFg==; Received: from 77.117.139.172.wireless.dyn.drei.com ([77.117.139.172] helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1ew4tv-0007IA-5l; Wed, 14 Mar 2018 11:49:00 +0000 From: Christoph Hellwig To: "Martin K. Petersen" Cc: aacraid@adaptec.com, linuxdrivers@attotech.com, linux-m68k@lists.linux-m68k.org, linux-scsi@vger.kernel.org Subject: [PATCH 05/12] scsi: remove the eata_pio driver Date: Wed, 14 Mar 2018 12:48:27 +0100 Message-Id: <20180314114834.17380-6-hch@lst.de> X-Mailer: git-send-email 2.14.2 In-Reply-To: <20180314114834.17380-1-hch@lst.de> References: <20180314114834.17380-1-hch@lst.de> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This driver hasn't seen any recent bug fixing and is one of the last drivers using the scsi_module.c infrastruture that has been deprecated 15 years ago. Signed-off-by: Christoph Hellwig --- drivers/scsi/Kconfig | 14 - drivers/scsi/Makefile | 1 - drivers/scsi/eata_generic.h | 401 ------------------ drivers/scsi/eata_pio.c | 966 -------------------------------------------- drivers/scsi/eata_pio.h | 54 --- 5 files changed, 1436 deletions(-) delete mode 100644 drivers/scsi/eata_generic.h delete mode 100644 drivers/scsi/eata_pio.c delete mode 100644 drivers/scsi/eata_pio.h diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8647ca9199b3..51efb947537d 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -688,20 +688,6 @@ config SCSI_EATA_MAX_TAGS by the driver for each probed SCSI device is reported at boot time. This is equivalent to the "eata=mq:8" boot option. -config SCSI_EATA_PIO - tristate "EATA-PIO (old DPT PM2001, PM2012A) support" - depends on (ISA || EISA || PCI) && SCSI && BROKEN - ---help--- - This driver supports all EATA-PIO protocol compliant SCSI Host - Adapters like the DPT PM2001 and the PM2012A. EATA-DMA compliant - host adapters could also use this driver but are discouraged from - doing so, since this driver only supports hard disks and lacks - numerous features. You might want to have a look at the SCSI-HOWTO, - available from . - - To compile this driver as a module, choose M here: the - module will be called eata_pio. - config SCSI_FUTURE_DOMAIN tristate "Future Domain 16xx SCSI/AHA-2920A support" depends on (ISA || PCI) && SCSI diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index fcfd28d2884c..738d02a2a455 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -93,7 +93,6 @@ obj-$(CONFIG_SCSI_HPSA) += hpsa.o obj-$(CONFIG_SCSI_SMARTPQI) += smartpqi/ obj-$(CONFIG_SCSI_SYM53C8XX_2) += sym53c8xx_2/ obj-$(CONFIG_SCSI_ZALON) += zalon7xx.o -obj-$(CONFIG_SCSI_EATA_PIO) += eata_pio.o obj-$(CONFIG_SCSI_EATA) += eata.o obj-$(CONFIG_SCSI_DC395x) += dc395x.o obj-$(CONFIG_SCSI_AM53C974) += esp_scsi.o am53c974.o diff --git a/drivers/scsi/eata_generic.h b/drivers/scsi/eata_generic.h deleted file mode 100644 index 1a396c5e7f73..000000000000 --- a/drivers/scsi/eata_generic.h +++ /dev/null @@ -1,401 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/******************************************************** -* Header file for eata_dma.c and eata_pio.c * -* Linux EATA SCSI drivers * -* (c) 1993-96 Michael Neuffer * -* mike@i-Connect.Net * -* neuffer@mail.uni-mainz.de * -********************************************************* -* last change: 96/08/14 * -********************************************************/ - - -#ifndef _EATA_GENERIC_H -#define _EATA_GENERIC_H - - - -/********************************************* - * Misc. definitions * - *********************************************/ - -#define R_LIMIT 0x20000 - -#define MAXISA 4 -#define MAXEISA 16 -#define MAXPCI 16 -#define MAXIRQ 16 -#define MAXTARGET 16 -#define MAXCHANNEL 3 - -#define IS_ISA 'I' -#define IS_EISA 'E' -#define IS_PCI 'P' - -#define BROKEN_INQUIRY 1 - -#define BUSMASTER 0xff -#define PIO 0xfe - -#define EATA_SIGNATURE 0x45415441 /* BIG ENDIAN coded "EATA" sig. */ - -#define DPT_ID1 0x12 -#define DPT_ID2 0x14 - -#define ATT_ID1 0x06 -#define ATT_ID2 0x94 -#define ATT_ID3 0x0 - -#define NEC_ID1 0x38 -#define NEC_ID2 0xa3 -#define NEC_ID3 0x82 - - -#define EATA_CP_SIZE 44 - -#define MAX_PCI_DEVICES 32 /* Maximum # Of Devices Per Bus */ -#define MAX_METHOD_2 16 /* Max Devices For Method 2 */ -#define MAX_PCI_BUS 16 /* Maximum # Of Busses Allowed */ - -#define SG_SIZE 64 -#define SG_SIZE_BIG 252 /* max. 8096 elements, 64k */ - -#define UPPER_DEVICE_QUEUE_LIMIT 64 /* The limit we have to set for the - * device queue to keep the broken - * midlevel SCSI code from producing - * bogus timeouts - */ - -#define TYPE_DISK_QUEUE 16 -#define TYPE_TAPE_QUEUE 4 -#define TYPE_ROM_QUEUE 4 -#define TYPE_OTHER_QUEUE 2 - -#define FREE 0 -#define OK 0 -#define NO_TIMEOUT 0 -#define USED 1 -#define TIMEOUT 2 -#define RESET 4 -#define LOCKED 8 -#define ABORTED 16 - -#define READ 0 -#define WRITE 1 -#define OTHER 2 - -#define HD(cmd) ((hostdata *)&(cmd->device->host->hostdata)) -#define CD(cmd) ((struct eata_ccb *)(cmd->host_scribble)) -#define SD(host) ((hostdata *)&(host->hostdata)) - -/*********************************************** - * EATA Command & Register definitions * - ***********************************************/ -#define PCI_REG_DPTconfig 0x40 -#define PCI_REG_PumpModeAddress 0x44 -#define PCI_REG_PumpModeData 0x48 -#define PCI_REG_ConfigParam1 0x50 -#define PCI_REG_ConfigParam2 0x54 - - -#define EATA_CMD_PIO_SETUPTEST 0xc6 -#define EATA_CMD_PIO_READ_CONFIG 0xf0 -#define EATA_CMD_PIO_SET_CONFIG 0xf1 -#define EATA_CMD_PIO_SEND_CP 0xf2 -#define EATA_CMD_PIO_RECEIVE_SP 0xf3 -#define EATA_CMD_PIO_TRUNC 0xf4 - -#define EATA_CMD_RESET 0xf9 -#define EATA_CMD_IMMEDIATE 0xfa - -#define EATA_CMD_DMA_READ_CONFIG 0xfd -#define EATA_CMD_DMA_SET_CONFIG 0xfe -#define EATA_CMD_DMA_SEND_CP 0xff - -#define ECS_EMULATE_SENSE 0xd4 - -#define EATA_GENERIC_ABORT 0x00 -#define EATA_SPECIFIC_RESET 0x01 -#define EATA_BUS_RESET 0x02 -#define EATA_SPECIFIC_ABORT 0x03 -#define EATA_QUIET_INTR 0x04 -#define EATA_COLD_BOOT_HBA 0x06 /* Only as a last resort */ -#define EATA_FORCE_IO 0x07 - -#define HA_CTRLREG 0x206 /* control register for HBA */ -#define HA_CTRL_DISINT 0x02 /* CTRLREG: disable interrupts */ -#define HA_CTRL_RESCPU 0x04 /* CTRLREG: reset processor */ -#define HA_CTRL_8HEADS 0x08 /* CTRLREG: set for drives with* - * >=8 heads (WD1003 rudimentary :-) */ - -#define HA_WCOMMAND 0x07 /* command register offset */ -#define HA_WIFC 0x06 /* immediate command offset */ -#define HA_WCODE 0x05 -#define HA_WCODE2 0x04 -#define HA_WDMAADDR 0x02 /* DMA address LSB offset */ -#define HA_RAUXSTAT 0x08 /* aux status register offset*/ -#define HA_RSTATUS 0x07 /* status register offset */ -#define HA_RDATA 0x00 /* data register (16bit) */ -#define HA_WDATA 0x00 /* data register (16bit) */ - -#define HA_ABUSY 0x01 /* aux busy bit */ -#define HA_AIRQ 0x02 /* aux IRQ pending bit */ -#define HA_SERROR 0x01 /* pr. command ended in error*/ -#define HA_SMORE 0x02 /* more data soon to come */ -#define HA_SCORR 0x04 /* data corrected */ -#define HA_SDRQ 0x08 /* data request active */ -#define HA_SSC 0x10 /* seek complete */ -#define HA_SFAULT 0x20 /* write fault */ -#define HA_SREADY 0x40 /* drive ready */ -#define HA_SBUSY 0x80 /* drive busy */ -#define HA_SDRDY HA_SSC+HA_SREADY+HA_SDRQ - -/********************************************** - * Message definitions * - **********************************************/ - -#define HA_NO_ERROR 0x00 /* No Error */ -#define HA_ERR_SEL_TO 0x01 /* Selection Timeout */ -#define HA_ERR_CMD_TO 0x02 /* Command Timeout */ -#define HA_BUS_RESET 0x03 /* SCSI Bus Reset Received */ -#define HA_INIT_POWERUP 0x04 /* Initial Controller Power-up */ -#define HA_UNX_BUSPHASE 0x05 /* Unexpected Bus Phase */ -#define HA_UNX_BUS_FREE 0x06 /* Unexpected Bus Free */ -#define HA_BUS_PARITY 0x07 /* Bus Parity Error */ -#define HA_SCSI_HUNG 0x08 /* SCSI Hung */ -#define HA_UNX_MSGRJCT 0x09 /* Unexpected Message Rejected */ -#define HA_RESET_STUCK 0x0a /* SCSI Bus Reset Stuck */ -#define HA_RSENSE_FAIL 0x0b /* Auto Request-Sense Failed */ -#define HA_PARITY_ERR 0x0c /* Controller Ram Parity Error */ -#define HA_CP_ABORT_NA 0x0d /* Abort Message sent to non-active cmd */ -#define HA_CP_ABORTED 0x0e /* Abort Message sent to active cmd */ -#define HA_CP_RESET_NA 0x0f /* Reset Message sent to non-active cmd */ -#define HA_CP_RESET 0x10 /* Reset Message sent to active cmd */ -#define HA_ECC_ERR 0x11 /* Controller Ram ECC Error */ -#define HA_PCI_PARITY 0x12 /* PCI Parity Error */ -#define HA_PCI_MABORT 0x13 /* PCI Master Abort */ -#define HA_PCI_TABORT 0x14 /* PCI Target Abort */ -#define HA_PCI_STABORT 0x15 /* PCI Signaled Target Abort */ - -/********************************************** - * Other definitions * - **********************************************/ - -struct reg_bit { /* reading this one will clear the interrupt */ - __u8 error:1; /* previous command ended in an error */ - __u8 more:1; /* more DATA coming soon, poll BSY & DRQ (PIO) */ - __u8 corr:1; /* data read was successfully corrected with ECC*/ - __u8 drq:1; /* data request active */ - __u8 sc:1; /* seek complete */ - __u8 fault:1; /* write fault */ - __u8 ready:1; /* drive ready */ - __u8 busy:1; /* controller busy */ -}; - -struct reg_abit { /* reading this won't clear the interrupt */ - __u8 abusy:1; /* auxiliary busy */ - __u8 irq:1; /* set when drive interrupt is asserted */ - __u8 dummy:6; -}; - -struct eata_register { /* EATA register set */ - __u8 data_reg[2]; /* R, couldn't figure this one out */ - __u8 cp_addr[4]; /* W, CP address register */ - union { - __u8 command; /* W, command code: [read|set] conf, send CP*/ - struct reg_bit status; /* R, see register_bit1 */ - __u8 statusbyte; - } ovr; - struct reg_abit aux_stat; /* R, see register_bit2 */ -}; - -struct get_conf { /* Read Configuration Array */ - __u32 len; /* Should return 0x22, 0x24, etc */ - __u32 signature; /* Signature MUST be "EATA" */ - __u8 version2:4, - version:4; /* EATA Version level */ - __u8 OCS_enabled:1, /* Overlap Command Support enabled */ - TAR_support:1, /* SCSI Target Mode supported */ - TRNXFR:1, /* Truncate Transfer Cmd not necessary * - * Only used in PIO Mode */ - MORE_support:1, /* MORE supported (only PIO Mode) */ - DMA_support:1, /* DMA supported Driver uses only * - * this mode */ - DMA_valid:1, /* DRQ value in Byte 30 is valid */ - ATA:1, /* ATA device connected (not supported) */ - HAA_valid:1; /* Hostadapter Address is valid */ - - __u16 cppadlen; /* Number of pad bytes send after CD data * - * set to zero for DMA commands */ - __u8 scsi_id[4]; /* SCSI ID of controller 2-0 Byte 0 res. * - * if not, zero is returned */ - __u32 cplen; /* CP length: number of valid cp bytes */ - __u32 splen; /* Number of bytes returned after * - * Receive SP command */ - __u16 queuesiz; /* max number of queueable CPs */ - __u16 dummy; - __u16 SGsiz; /* max number of SG table entries */ - __u8 IRQ:4, /* IRQ used this HA */ - IRQ_TR:1, /* IRQ Trigger: 0=edge, 1=level */ - SECOND:1, /* This is a secondary controller */ - DMA_channel:2; /* DRQ index, DRQ is 2comp of DRQX */ - __u8 sync; /* device at ID 7 tru 0 is running in * - * synchronous mode, this will disappear */ - __u8 DSBLE:1, /* ISA i/o addressing is disabled */ - FORCADR:1, /* i/o address has been forced */ - SG_64K:1, - SG_UAE:1, - :4; - __u8 MAX_ID:5, /* Max number of SCSI target IDs */ - MAX_CHAN:3; /* Number of SCSI busses on HBA */ - __u8 MAX_LUN; /* Max number of LUNs */ - __u8 :3, - AUTOTRM:1, - M1_inst:1, - ID_qest:1, /* Raidnum ID is questionable */ - is_PCI:1, /* HBA is PCI */ - is_EISA:1; /* HBA is EISA */ - __u8 RAIDNUM; /* unique HBA identifier */ - __u8 unused[474]; -}; - -struct eata_sg_list -{ - __u32 data; - __u32 len; -}; - -struct eata_ccb { /* Send Command Packet structure */ - - __u8 SCSI_Reset:1, /* Cause a SCSI Bus reset on the cmd */ - HBA_Init:1, /* Cause Controller to reinitialize */ - Auto_Req_Sen:1, /* Do Auto Request Sense on errors */ - scatter:1, /* Data Ptr points to a SG Packet */ - Resrvd:1, /* RFU */ - Interpret:1, /* Interpret the SCSI cdb of own use */ - DataOut:1, /* Data Out phase with command */ - DataIn:1; /* Data In phase with command */ - __u8 reqlen; /* Request Sense Length * - * Valid if Auto_Req_Sen=1 */ - __u8 unused[3]; - __u8 FWNEST:1, /* send cmd to phys RAID component */ - unused2:7; - __u8 Phsunit:1, /* physical unit on mirrored pair */ - I_AT:1, /* inhibit address translation */ - I_HBA_C:1, /* HBA inhibit caching */ - unused3:5; - - __u8 cp_id:5, /* SCSI Device ID of target */ - cp_channel:3; /* SCSI Channel # of HBA */ - __u8 cp_lun:3, - :2, - cp_luntar:1, /* CP is for target ROUTINE */ - cp_dispri:1, /* Grant disconnect privilege */ - cp_identify:1; /* Always TRUE */ - __u8 cp_msg1; /* Message bytes 0-3 */ - __u8 cp_msg2; - __u8 cp_msg3; - __u8 cp_cdb[12]; /* Command Descriptor Block */ - __u32 cp_datalen; /* Data Transfer Length * - * If scatter=1 len of sg package */ - void *cp_viraddr; /* address of this ccb */ - __u32 cp_dataDMA; /* Data Address, if scatter=1 * - * address of scatter packet */ - __u32 cp_statDMA; /* address for Status Packet */ - __u32 cp_reqDMA; /* Request Sense Address, used if * - * CP command ends with error */ - /* Additional CP info begins here */ - __u32 timestamp; /* Needed to measure command latency */ - __u32 timeout; - __u8 sizeindex; - __u8 rw_latency; - __u8 retries; - __u8 status; /* status of this queueslot */ - struct scsi_cmnd *cmd; /* address of cmd */ - struct eata_sg_list *sg_list; -}; - - -struct eata_sp { - __u8 hba_stat:7, /* HBA status */ - EOC:1; /* True if command finished */ - __u8 scsi_stat; /* Target SCSI status */ - __u8 reserved[2]; - __u32 residue_len; /* Number of bytes not transferred */ - struct eata_ccb *ccb; /* Address set in COMMAND PACKET */ - __u8 msg[12]; -}; - -typedef struct hstd { - __u8 vendor[9]; - __u8 name[18]; - __u8 revision[6]; - __u8 EATA_revision; - __u32 firmware_revision; - __u8 HBA_number; - __u8 bustype; /* bustype of HBA */ - __u8 channel; /* # of avail. scsi channels */ - __u8 state; /* state of HBA */ - __u8 primary; /* true if primary */ - __u8 more_support:1, /* HBA supports MORE flag */ - immediate_support:1, /* HBA supports IMMEDIATE CMDs*/ - broken_INQUIRY:1; /* This is an EISA HBA with * - * broken INQUIRY */ - __u8 do_latency; /* Latency measurement flag */ - __u32 reads[13]; - __u32 writes[13]; - __u32 reads_lat[12][4]; - __u32 writes_lat[12][4]; - __u32 all_lat[4]; - __u8 resetlevel[MAXCHANNEL]; - __u32 last_ccb; /* Last used ccb */ - __u32 cplen; /* size of CP in words */ - __u16 cppadlen; /* pad length of cp in words */ - __u16 queuesize; - __u16 sgsize; /* # of entries in the SG list*/ - __u16 devflags; /* bits set for detected devices */ - __u8 hostid; /* SCSI ID of HBA */ - __u8 moresupport; /* HBA supports MORE flag */ - struct Scsi_Host *next; - struct Scsi_Host *prev; - struct pci_dev *pdev; /* PCI device or NULL for non PCI */ - struct eata_sp sp; /* status packet */ - struct eata_ccb ccb[0]; /* ccb array begins here */ -}hostdata; - -/* structure for max. 2 emulated drives */ -struct drive_geom_emul { - __u8 trans; /* translation flag 1=transl */ - __u8 channel; /* SCSI channel number */ - __u8 HBA; /* HBA number (prim/sec) */ - __u8 id; /* drive id */ - __u8 lun; /* drive lun */ - __u32 heads; /* number of heads */ - __u32 sectors; /* number of sectors */ - __u32 cylinder; /* number of cylinders */ -}; - -struct geom_emul { - __u8 bios_drives; /* number of emulated drives */ - struct drive_geom_emul drv[2]; /* drive structures */ -}; - -#endif /* _EATA_GENERIC_H */ - -/* - * Overrides for Emacs so that we almost follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-indent-level: 4 - * c-brace-imaginary-offset: 0 - * c-brace-offset: -4 - * c-argdecl-indent: 4 - * c-label-offset: -4 - * c-continued-statement-offset: 4 - * c-continued-brace-offset: 0 - * tab-width: 8 - * End: - */ diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c deleted file mode 100644 index 4299fa485622..000000000000 --- a/drivers/scsi/eata_pio.c +++ /dev/null @@ -1,966 +0,0 @@ -/************************************************************ - * * - * Linux EATA SCSI PIO driver * - * * - * based on the CAM document CAM/89-004 rev. 2.0c, * - * DPT's driver kit, some internal documents and source, * - * and several other Linux scsi drivers and kernel docs. * - * * - * The driver currently: * - * -supports all EATA-PIO boards * - * -only supports DASD devices * - * * - * (c)1993-96 Michael Neuffer, Alfred Arnold * - * neuffer@goofy.zdv.uni-mainz.de * - * a.arnold@kfa-juelich.de * - * * - * Updated 2002 by Alan Cox for * - * Linux 2.5.x and the newer locking and error handling * - * * - * 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 kernel; if not, write to * - * the Free Software Foundation, Inc., 675 Mass Ave, * - * Cambridge, MA 02139, USA. * - * * - * For the avoidance of doubt the "preferred form" of this * - * code is one which is in an open non patent encumbered * - * format. Where cryptographic key signing forms part of * - * the process of creating an executable the information * - * including keys needed to generate an equivalently * - * functional executable are deemed to be part of the * - * source code are deemed to be part of the source code. * - * * - ************************************************************ - * last change: 2002/11/02 OS: Linux 2.5.45 * - ************************************************************/ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include -#include -#include -#include - -#include "eata_generic.h" -#include "eata_pio.h" - - -static unsigned int ISAbases[MAXISA] = { - 0x1F0, 0x170, 0x330, 0x230 -}; - -static unsigned int ISAirqs[MAXISA] = { - 14, 12, 15, 11 -}; - -static unsigned char EISAbases[] = { - 1, 1, 1, 1, 1, 1, 1, 1, - 1, 1, 1, 1, 1, 1, 1, 1 -}; - -static unsigned int registered_HBAs; -static struct Scsi_Host *last_HBA; -static struct Scsi_Host *first_HBA; -static unsigned char reg_IRQ[16]; -static unsigned char reg_IRQL[16]; -static unsigned long int_counter; -static unsigned long queue_counter; - -static struct scsi_host_template driver_template; - -static int eata_pio_show_info(struct seq_file *m, struct Scsi_Host *shost) -{ - seq_printf(m, "EATA (Extended Attachment) PIO driver version: " - "%d.%d%s\n",VER_MAJOR, VER_MINOR, VER_SUB); - seq_printf(m, "queued commands: %10ld\n" - "processed interrupts:%10ld\n", queue_counter, int_counter); - seq_printf(m, "\nscsi%-2d: HBA %.10s\n", - shost->host_no, SD(shost)->name); - seq_printf(m, "Firmware revision: v%s\n", - SD(shost)->revision); - seq_puts(m, "IO: PIO\n"); - seq_printf(m, "Base IO : %#.4x\n", (u32) shost->base); - seq_printf(m, "Host Bus: %s\n", - (SD(shost)->bustype == 'P')?"PCI ": - (SD(shost)->bustype == 'E')?"EISA":"ISA "); - return 0; -} - -static int eata_pio_release(struct Scsi_Host *sh) -{ - hostdata *hd = SD(sh); - if (sh->irq && reg_IRQ[sh->irq] == 1) - free_irq(sh->irq, NULL); - else - reg_IRQ[sh->irq]--; - if (SD(sh)->channel == 0) { - if (sh->io_port && sh->n_io_port) - release_region(sh->io_port, sh->n_io_port); - } - /* At this point the PCI reference can go */ - if (hd->pdev) - pci_dev_put(hd->pdev); - return 1; -} - -static void IncStat(struct scsi_pointer *SCp, unsigned int Increment) -{ - SCp->ptr += Increment; - if ((SCp->this_residual -= Increment) == 0) { - if ((--SCp->buffers_residual) == 0) - SCp->Status = 0; - else { - SCp->buffer++; - SCp->ptr = sg_virt(SCp->buffer); - SCp->this_residual = SCp->buffer->length; - } - } -} - -static irqreturn_t eata_pio_int_handler(int irq, void *dev_id); - -static irqreturn_t do_eata_pio_int_handler(int irq, void *dev_id) -{ - unsigned long flags; - struct Scsi_Host *dev = dev_id; - irqreturn_t ret; - - spin_lock_irqsave(dev->host_lock, flags); - ret = eata_pio_int_handler(irq, dev_id); - spin_unlock_irqrestore(dev->host_lock, flags); - return ret; -} - -static irqreturn_t eata_pio_int_handler(int irq, void *dev_id) -{ - unsigned int eata_stat = 0xfffff; - struct scsi_cmnd *cmd; - hostdata *hd; - struct eata_ccb *cp; - unsigned long base; - unsigned int x, z; - struct Scsi_Host *sh; - unsigned short zwickel = 0; - unsigned char stat, odd; - irqreturn_t ret = IRQ_NONE; - - for (x = 1, sh = first_HBA; x <= registered_HBAs; x++, sh = SD(sh)->prev) - { - if (sh->irq != irq) - continue; - if (inb(sh->base + HA_RSTATUS) & HA_SBUSY) - continue; - - int_counter++; - ret = IRQ_HANDLED; - - hd = SD(sh); - - cp = &hd->ccb[0]; - cmd = cp->cmd; - base = cmd->device->host->base; - - do { - stat = inb(base + HA_RSTATUS); - if (stat & HA_SDRQ) { - if (cp->DataIn) { - z = 256; - odd = 0; - while ((cmd->SCp.Status) && ((z > 0) || (odd))) { - if (odd) { - *(cmd->SCp.ptr) = zwickel >> 8; - IncStat(&cmd->SCp, 1); - odd = 0; - } - x = min_t(unsigned int, z, cmd->SCp.this_residual / 2); - insw(base + HA_RDATA, cmd->SCp.ptr, x); - z -= x; - IncStat(&cmd->SCp, 2 * x); - if ((z > 0) && (cmd->SCp.this_residual == 1)) { - zwickel = inw(base + HA_RDATA); - *(cmd->SCp.ptr) = zwickel & 0xff; - IncStat(&cmd->SCp, 1); - z--; - odd = 1; - } - } - while (z > 0) { - zwickel = inw(base + HA_RDATA); - z--; - } - } else { /* cp->DataOut */ - - odd = 0; - z = 256; - while ((cmd->SCp.Status) && ((z > 0) || (odd))) { - if (odd) { - zwickel += *(cmd->SCp.ptr) << 8; - IncStat(&cmd->SCp, 1); - outw(zwickel, base + HA_RDATA); - z--; - odd = 0; - } - x = min_t(unsigned int, z, cmd->SCp.this_residual / 2); - outsw(base + HA_RDATA, cmd->SCp.ptr, x); - z -= x; - IncStat(&cmd->SCp, 2 * x); - if ((z > 0) && (cmd->SCp.this_residual == 1)) { - zwickel = *(cmd->SCp.ptr); - zwickel &= 0xff; - IncStat(&cmd->SCp, 1); - odd = 1; - } - } - while (z > 0 || odd) { - outw(zwickel, base + HA_RDATA); - z--; - odd = 0; - } - } - } - } - while ((stat & HA_SDRQ) || ((stat & HA_SMORE) && hd->moresupport)); - - /* terminate handler if HBA goes busy again, i.e. transfers - * more data */ - - if (stat & HA_SBUSY) - break; - - /* OK, this is quite stupid, but I haven't found any correct - * way to get HBA&SCSI status so far */ - - if (!(inb(base + HA_RSTATUS) & HA_SERROR)) { - cmd->result = (DID_OK << 16); - hd->devflags |= (1 << cp->cp_id); - } else if (hd->devflags & (1 << cp->cp_id)) - cmd->result = (DID_OK << 16) + 0x02; - else - cmd->result = (DID_NO_CONNECT << 16); - - if (cp->status == LOCKED) { - cp->status = FREE; - eata_stat = inb(base + HA_RSTATUS); - printk(KERN_CRIT "eata_pio: int_handler, freeing locked " "queueslot\n"); - return ret; - } -#if DBG_INTR2 - if (stat != 0x50) - printk(KERN_DEBUG "stat: %#.2x, result: %#.8x\n", stat, cmd->result); -#endif - - cp->status = FREE; /* now we can release the slot */ - - cmd->scsi_done(cmd); - } - - return ret; -} - -static inline unsigned int eata_pio_send_command(unsigned long base, unsigned char command) -{ - unsigned int loop = 50; - - while (inb(base + HA_RSTATUS) & HA_SBUSY) - if (--loop == 0) - return 1; - - /* Enable interrupts for HBA. It is not the best way to do it at this - * place, but I hope that it doesn't interfere with the IDE driver - * initialization this way */ - - outb(HA_CTRL_8HEADS, base + HA_CTRLREG); - - outb(command, base + HA_WCOMMAND); - return 0; -} - -static int eata_pio_queue_lck(struct scsi_cmnd *cmd, - void (*done)(struct scsi_cmnd *)) -{ - unsigned int x, y; - unsigned long base; - - hostdata *hd; - struct Scsi_Host *sh; - struct eata_ccb *cp; - - queue_counter++; - - hd = HD(cmd); - sh = cmd->device->host; - base = sh->base; - - /* use only slot 0, as 2001 can handle only one cmd at a time */ - - y = x = 0; - - if (hd->ccb[y].status != FREE) { - - DBG(DBG_QUEUE, printk(KERN_EMERG "can_queue %d, x %d, y %d\n", sh->can_queue, x, y)); -#if DEBUG_EATA - panic(KERN_EMERG "eata_pio: run out of queue slots cmdno:%ld " "intrno: %ld\n", queue_counter, int_counter); -#else - panic(KERN_EMERG "eata_pio: run out of queue slots....\n"); -#endif - } - - cp = &hd->ccb[y]; - - memset(cp, 0, sizeof(struct eata_ccb)); - - cp->status = USED; /* claim free slot */ - - DBG(DBG_QUEUE, scmd_printk(KERN_DEBUG, cmd, - "eata_pio_queue 0x%p, y %d\n", cmd, y)); - - cmd->scsi_done = (void *) done; - - if (cmd->sc_data_direction == DMA_TO_DEVICE) - cp->DataOut = 1; /* Output mode */ - else - cp->DataIn = 0; /* Input mode */ - - cp->Interpret = (cmd->device->id == hd->hostid); - cp->cp_datalen = cpu_to_be32(scsi_bufflen(cmd)); - cp->Auto_Req_Sen = 0; - cp->cp_reqDMA = 0; - cp->reqlen = 0; - - cp->cp_id = cmd->device->id; - cp->cp_lun = cmd->device->lun; - cp->cp_dispri = 0; - cp->cp_identify = 1; - memcpy(cp->cp_cdb, cmd->cmnd, COMMAND_SIZE(*cmd->cmnd)); - - cp->cp_statDMA = 0; - - cp->cp_viraddr = cp; - cp->cmd = cmd; - cmd->host_scribble = (char *) &hd->ccb[y]; - - if (!scsi_bufflen(cmd)) { - cmd->SCp.buffers_residual = 1; - cmd->SCp.ptr = NULL; - cmd->SCp.this_residual = 0; - cmd->SCp.buffer = NULL; - } else { - cmd->SCp.buffer = scsi_sglist(cmd); - cmd->SCp.buffers_residual = scsi_sg_count(cmd); - cmd->SCp.ptr = sg_virt(cmd->SCp.buffer); - cmd->SCp.this_residual = cmd->SCp.buffer->length; - } - cmd->SCp.Status = (cmd->SCp.this_residual != 0); /* TRUE as long as bytes - * are to transfer */ - - if (eata_pio_send_command(base, EATA_CMD_PIO_SEND_CP)) { - cmd->result = DID_BUS_BUSY << 16; - scmd_printk(KERN_NOTICE, cmd, - "eata_pio_queue pid 0x%p, HBA busy, " - "returning DID_BUS_BUSY, done.\n", cmd); - done(cmd); - cp->status = FREE; - return 0; - } - /* FIXME: timeout */ - while (!(inb(base + HA_RSTATUS) & HA_SDRQ)) - cpu_relax(); - outsw(base + HA_RDATA, cp, hd->cplen); - outb(EATA_CMD_PIO_TRUNC, base + HA_WCOMMAND); - for (x = 0; x < hd->cppadlen; x++) - outw(0, base + HA_RDATA); - - DBG(DBG_QUEUE, scmd_printk(KERN_DEBUG, cmd, - "Queued base %#.4lx cmd: 0x%p " - "slot %d irq %d\n", sh->base, cmd, y, sh->irq)); - - return 0; -} - -static DEF_SCSI_QCMD(eata_pio_queue) - -static int eata_pio_abort(struct scsi_cmnd *cmd) -{ - unsigned int loop = 100; - - DBG(DBG_ABNORM, scmd_printk(KERN_WARNING, cmd, - "eata_pio_abort called pid: 0x%p\n", cmd)); - - while (inb(cmd->device->host->base + HA_RAUXSTAT) & HA_ABUSY) - if (--loop == 0) { - printk(KERN_WARNING "eata_pio: abort, timeout error.\n"); - return FAILED; - } - if (CD(cmd)->status == FREE) { - DBG(DBG_ABNORM, printk(KERN_WARNING "Returning: SCSI_ABORT_NOT_RUNNING\n")); - return FAILED; - } - if (CD(cmd)->status == USED) { - DBG(DBG_ABNORM, printk(KERN_WARNING "Returning: SCSI_ABORT_BUSY\n")); - /* We want to sleep a bit more here */ - return FAILED; /* SNOOZE */ - } - if (CD(cmd)->status == RESET) { - printk(KERN_WARNING "eata_pio: abort, command reset error.\n"); - return FAILED; - } - if (CD(cmd)->status == LOCKED) { - DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio: abort, queue slot " "locked.\n")); - return FAILED; - } - panic("eata_pio: abort: invalid slot status\n"); -} - -static int eata_pio_host_reset(struct scsi_cmnd *cmd) -{ - unsigned int x, limit = 0; - unsigned char success = 0; - struct scsi_cmnd *sp; - struct Scsi_Host *host = cmd->device->host; - - DBG(DBG_ABNORM, scmd_printk(KERN_WARNING, cmd, - "eata_pio_reset called\n")); - - spin_lock_irq(host->host_lock); - - if (HD(cmd)->state == RESET) { - printk(KERN_WARNING "eata_pio_reset: exit, already in reset.\n"); - spin_unlock_irq(host->host_lock); - return FAILED; - } - - /* force all slots to be free */ - - for (x = 0; x < cmd->device->host->can_queue; x++) { - - if (HD(cmd)->ccb[x].status == FREE) - continue; - - sp = HD(cmd)->ccb[x].cmd; - HD(cmd)->ccb[x].status = RESET; - printk(KERN_WARNING "eata_pio_reset: slot %d in reset.\n", x); - - if (sp == NULL) - panic("eata_pio_reset: slot %d, sp==NULL.\n", x); - } - - /* hard reset the HBA */ - outb(EATA_CMD_RESET, cmd->device->host->base + HA_WCOMMAND); - - DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: board reset done.\n")); - HD(cmd)->state = RESET; - - spin_unlock_irq(host->host_lock); - msleep(3000); - spin_lock_irq(host->host_lock); - - DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: interrupts disabled, " "loops %d.\n", limit)); - - for (x = 0; x < cmd->device->host->can_queue; x++) { - - /* Skip slots already set free by interrupt */ - if (HD(cmd)->ccb[x].status != RESET) - continue; - - sp = HD(cmd)->ccb[x].cmd; - sp->result = DID_RESET << 16; - - /* This mailbox is terminated */ - printk(KERN_WARNING "eata_pio_reset: reset ccb %d.\n", x); - HD(cmd)->ccb[x].status = FREE; - - sp->scsi_done(sp); - } - - HD(cmd)->state = 0; - - spin_unlock_irq(host->host_lock); - - if (success) { /* hmmm... */ - DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: exit, success.\n")); - return SUCCESS; - } else { - DBG(DBG_ABNORM, printk(KERN_WARNING "eata_pio_reset: exit, wakeup.\n")); - return FAILED; - } -} - -static char *get_pio_board_data(unsigned long base, unsigned int irq, unsigned int id, unsigned long cplen, unsigned short cppadlen) -{ - struct eata_ccb cp; - static char buff[256]; - int z; - - memset(&cp, 0, sizeof(struct eata_ccb)); - memset(buff, 0, sizeof(buff)); - - cp.DataIn = 1; - cp.Interpret = 1; /* Interpret command */ - - cp.cp_datalen = cpu_to_be32(254); - cp.cp_dataDMA = cpu_to_be32(0); - - cp.cp_id = id; - cp.cp_lun = 0; - - cp.cp_cdb[0] = INQUIRY; - cp.cp_cdb[1] = 0; - cp.cp_cdb[2] = 0; - cp.cp_cdb[3] = 0; - cp.cp_cdb[4] = 254; - cp.cp_cdb[5] = 0; - - if (eata_pio_send_command(base, EATA_CMD_PIO_SEND_CP)) - return NULL; - - while (!(inb(base + HA_RSTATUS) & HA_SDRQ)) - cpu_relax(); - - outsw(base + HA_RDATA, &cp, cplen); - outb(EATA_CMD_PIO_TRUNC, base + HA_WCOMMAND); - for (z = 0; z < cppadlen; z++) - outw(0, base + HA_RDATA); - - while (inb(base + HA_RSTATUS) & HA_SBUSY) - cpu_relax(); - - if (inb(base + HA_RSTATUS) & HA_SERROR) - return NULL; - else if (!(inb(base + HA_RSTATUS) & HA_SDRQ)) - return NULL; - else { - insw(base + HA_RDATA, &buff, 127); - while (inb(base + HA_RSTATUS) & HA_SDRQ) - inw(base + HA_RDATA); - return buff; - } -} - -static int get_pio_conf_PIO(unsigned long base, struct get_conf *buf) -{ - unsigned long loop = HZ / 2; - int z; - unsigned short *p; - - if (!request_region(base, 9, "eata_pio")) - return 0; - - memset(buf, 0, sizeof(struct get_conf)); - - while (inb(base + HA_RSTATUS) & HA_SBUSY) - if (--loop == 0) - goto fail; - - DBG(DBG_PIO && DBG_PROBE, printk(KERN_DEBUG "Issuing PIO READ CONFIG to HBA at %#lx\n", base)); - eata_pio_send_command(base, EATA_CMD_PIO_READ_CONFIG); - - loop = 50; - for (p = (unsigned short *) buf; (long) p <= ((long) buf + (sizeof(struct get_conf) / 2)); p++) { - while (!(inb(base + HA_RSTATUS) & HA_SDRQ)) - if (--loop == 0) - goto fail; - - loop = 50; - *p = inw(base + HA_RDATA); - } - if (inb(base + HA_RSTATUS) & HA_SERROR) { - DBG(DBG_PROBE, printk("eata_dma: get_conf_PIO, error during " - "transfer for HBA at %lx\n", base)); - goto fail; - } - - if (cpu_to_be32(EATA_SIGNATURE) != buf->signature) - goto fail; - - DBG(DBG_PIO && DBG_PROBE, printk(KERN_NOTICE "EATA Controller found " - "at %#4lx EATA Level: %x\n", - base, (unsigned int) (buf->version))); - - while (inb(base + HA_RSTATUS) & HA_SDRQ) - inw(base + HA_RDATA); - - if (!ALLOW_DMA_BOARDS) { - for (z = 0; z < MAXISA; z++) - if (base == ISAbases[z]) { - buf->IRQ = ISAirqs[z]; - break; - } - } - - return 1; - - fail: - release_region(base, 9); - return 0; -} - -static void print_pio_config(struct get_conf *gc) -{ - printk("Please check values: (read config data)\n"); - printk("LEN: %d ver:%d OCS:%d TAR:%d TRNXFR:%d MORES:%d\n", be32_to_cpu(gc->len), gc->version, gc->OCS_enabled, gc->TAR_support, gc->TRNXFR, gc->MORE_support); - printk("HAAV:%d SCSIID0:%d ID1:%d ID2:%d QUEUE:%d SG:%d SEC:%d\n", gc->HAA_valid, gc->scsi_id[3], gc->scsi_id[2], gc->scsi_id[1], be16_to_cpu(gc->queuesiz), be16_to_cpu(gc->SGsiz), gc->SECOND); - printk("IRQ:%d IRQT:%d FORCADR:%d MCH:%d RIDQ:%d\n", gc->IRQ, gc->IRQ_TR, gc->FORCADR, gc->MAX_CHAN, gc->ID_qest); -} - -static unsigned int print_selftest(unsigned int base) -{ - unsigned char buffer[512]; -#ifdef VERBOSE_SETUP - int z; -#endif - - printk("eata_pio: executing controller self test & setup...\n"); - while (inb(base + HA_RSTATUS) & HA_SBUSY); - outb(EATA_CMD_PIO_SETUPTEST, base + HA_WCOMMAND); - do { - while (inb(base + HA_RSTATUS) & HA_SBUSY) - /* nothing */ ; - if (inb(base + HA_RSTATUS) & HA_SDRQ) { - insw(base + HA_RDATA, &buffer, 256); -#ifdef VERBOSE_SETUP - /* no beeps please... */ - for (z = 0; z < 511 && buffer[z]; z++) - if (buffer[z] != 7) - printk("%c", buffer[z]); -#endif - } - } while (inb(base + HA_RSTATUS) & (HA_SBUSY | HA_SDRQ)); - - return (!(inb(base + HA_RSTATUS) & HA_SERROR)); -} - -static int register_pio_HBA(long base, struct get_conf *gc, struct pci_dev *pdev) -{ - unsigned long size = 0; - char *buff; - unsigned long cplen; - unsigned short cppadlen; - struct Scsi_Host *sh; - hostdata *hd; - - DBG(DBG_REGISTER, print_pio_config(gc)); - - if (gc->DMA_support) { - printk("HBA at %#.4lx supports DMA. Please use EATA-DMA driver.\n", base); - if (!ALLOW_DMA_BOARDS) - return 0; - } - - if ((buff = get_pio_board_data(base, gc->IRQ, gc->scsi_id[3], cplen = (cpu_to_be32(gc->cplen) + 1) / 2, cppadlen = (cpu_to_be16(gc->cppadlen) + 1) / 2)) == NULL) { - printk("HBA at %#lx didn't react on INQUIRY. Sorry.\n", base); - return 0; - } - - if (!print_selftest(base) && !ALLOW_DMA_BOARDS) { - printk("HBA at %#lx failed while performing self test & setup.\n", base); - return 0; - } - - size = sizeof(hostdata) + (sizeof(struct eata_ccb) * be16_to_cpu(gc->queuesiz)); - - sh = scsi_register(&driver_template, size); - if (sh == NULL) - return 0; - - if (!reg_IRQ[gc->IRQ]) { /* Interrupt already registered ? */ - if (!request_irq(gc->IRQ, do_eata_pio_int_handler, 0, "EATA-PIO", sh)) { - reg_IRQ[gc->IRQ]++; - if (!gc->IRQ_TR) - reg_IRQL[gc->IRQ] = 1; /* IRQ is edge triggered */ - } else { - printk("Couldn't allocate IRQ %d, Sorry.\n", gc->IRQ); - return 0; - } - } else { /* More than one HBA on this IRQ */ - if (reg_IRQL[gc->IRQ]) { - printk("Can't support more than one HBA on this IRQ,\n" " if the IRQ is edge triggered. Sorry.\n"); - return 0; - } else - reg_IRQ[gc->IRQ]++; - } - - hd = SD(sh); - - memset(hd->ccb, 0, (sizeof(struct eata_ccb) * be16_to_cpu(gc->queuesiz))); - memset(hd->reads, 0, sizeof(hd->reads)); - - strlcpy(SD(sh)->vendor, &buff[8], sizeof(SD(sh)->vendor)); - strlcpy(SD(sh)->name, &buff[16], sizeof(SD(sh)->name)); - SD(sh)->revision[0] = buff[32]; - SD(sh)->revision[1] = buff[33]; - SD(sh)->revision[2] = buff[34]; - SD(sh)->revision[3] = '.'; - SD(sh)->revision[4] = buff[35]; - SD(sh)->revision[5] = 0; - - switch (be32_to_cpu(gc->len)) { - case 0x1c: - SD(sh)->EATA_revision = 'a'; - break; - case 0x1e: - SD(sh)->EATA_revision = 'b'; - break; - case 0x22: - SD(sh)->EATA_revision = 'c'; - break; - case 0x24: - SD(sh)->EATA_revision = 'z'; - break; - default: - SD(sh)->EATA_revision = '?'; - } - - if (be32_to_cpu(gc->len) >= 0x22) { - if (gc->is_PCI) - hd->bustype = IS_PCI; - else if (gc->is_EISA) - hd->bustype = IS_EISA; - else - hd->bustype = IS_ISA; - } else { - if (buff[21] == '4') - hd->bustype = IS_PCI; - else if (buff[21] == '2') - hd->bustype = IS_EISA; - else - hd->bustype = IS_ISA; - } - - SD(sh)->cplen = cplen; - SD(sh)->cppadlen = cppadlen; - SD(sh)->hostid = gc->scsi_id[3]; - SD(sh)->devflags = 1 << gc->scsi_id[3]; - SD(sh)->moresupport = gc->MORE_support; - sh->unique_id = base; - sh->base = base; - sh->io_port = base; - sh->n_io_port = 9; - sh->irq = gc->IRQ; - sh->dma_channel = PIO; - sh->this_id = gc->scsi_id[3]; - sh->can_queue = 1; - sh->cmd_per_lun = 1; - sh->sg_tablesize = SG_ALL; - - hd->channel = 0; - - hd->pdev = pci_dev_get(pdev); /* Keep a PCI reference */ - - sh->max_id = 8; - sh->max_lun = 8; - - if (gc->SECOND) - hd->primary = 0; - else - hd->primary = 1; - - hd->next = NULL; /* build a linked list of all HBAs */ - hd->prev = last_HBA; - if (hd->prev != NULL) - SD(hd->prev)->next = sh; - last_HBA = sh; - if (first_HBA == NULL) - first_HBA = sh; - registered_HBAs++; - return (1); -} - -static void find_pio_ISA(struct get_conf *buf) -{ - int i; - - for (i = 0; i < MAXISA; i++) { - if (!ISAbases[i]) - continue; - if (!get_pio_conf_PIO(ISAbases[i], buf)) - continue; - if (!register_pio_HBA(ISAbases[i], buf, NULL)) - release_region(ISAbases[i], 9); - else - ISAbases[i] = 0; - } - return; -} - -static void find_pio_EISA(struct get_conf *buf) -{ - u32 base; - int i; - -#ifdef CHECKPAL - u8 pal1, pal2, pal3; -#endif - - for (i = 0; i < MAXEISA; i++) { - if (EISAbases[i]) { /* Still a possibility ? */ - - base = 0x1c88 + (i * 0x1000); -#ifdef CHECKPAL - pal1 = inb((u16) base - 8); - pal2 = inb((u16) base - 7); - pal3 = inb((u16) base - 6); - - if (((pal1 == 0x12) && (pal2 == 0x14)) || ((pal1 == 0x38) && (pal2 == 0xa3) && (pal3 == 0x82)) || ((pal1 == 0x06) && (pal2 == 0x94) && (pal3 == 0x24))) { - DBG(DBG_PROBE, printk(KERN_NOTICE "EISA EATA id tags found: " "%x %x %x \n", (int) pal1, (int) pal2, (int) pal3)); -#endif - if (get_pio_conf_PIO(base, buf)) { - DBG(DBG_PROBE && DBG_EISA, print_pio_config(buf)); - if (buf->IRQ) { - if (!register_pio_HBA(base, buf, NULL)) - release_region(base, 9); - } else { - printk(KERN_NOTICE "eata_dma: No valid IRQ. HBA " "removed from list\n"); - release_region(base, 9); - } - } - /* Nothing found here so we take it from the list */ - EISAbases[i] = 0; -#ifdef CHECKPAL - } -#endif - } - } - return; -} - -static void find_pio_PCI(struct get_conf *buf) -{ -#ifndef CONFIG_PCI - printk("eata_dma: kernel PCI support not enabled. Skipping scan for PCI HBAs.\n"); -#else - struct pci_dev *dev = NULL; - unsigned long base, x; - - while ((dev = pci_get_device(PCI_VENDOR_ID_DPT, PCI_DEVICE_ID_DPT, dev)) != NULL) { - DBG(DBG_PROBE && DBG_PCI, printk("eata_pio: find_PCI, HBA at %s\n", pci_name(dev))); - if (pci_enable_device(dev)) - continue; - pci_set_master(dev); - base = pci_resource_flags(dev, 0); - if (base & IORESOURCE_MEM) { - printk("eata_pio: invalid base address of device %s\n", pci_name(dev)); - continue; - } - base = pci_resource_start(dev, 0); - /* EISA tag there ? */ - if ((inb(base) == 0x12) && (inb(base + 1) == 0x14)) - continue; /* Jep, it's forced, so move on */ - base += 0x10; /* Now, THIS is the real address */ - if (base != 0x1f8) { - /* We didn't find it in the primary search */ - if (get_pio_conf_PIO(base, buf)) { - if (buf->FORCADR) { /* If the address is forced */ - release_region(base, 9); - continue; /* we'll find it later */ - } - - /* OK. We made it till here, so we can go now - * and register it. We only have to check and - * eventually remove it from the EISA and ISA list - */ - - if (!register_pio_HBA(base, buf, dev)) { - release_region(base, 9); - continue; - } - - if (base < 0x1000) { - for (x = 0; x < MAXISA; ++x) { - if (ISAbases[x] == base) { - ISAbases[x] = 0; - break; - } - } - } else if ((base & 0x0fff) == 0x0c88) { - x = (base >> 12) & 0x0f; - EISAbases[x] = 0; - } - } -#ifdef CHECK_BLINK - else if (check_blink_state(base)) { - printk("eata_pio: HBA is in BLINK state.\n" "Consult your HBAs manual to correct this.\n"); - } -#endif - } - } -#endif /* #ifndef CONFIG_PCI */ -} - -static int eata_pio_detect(struct scsi_host_template *tpnt) -{ - struct Scsi_Host *HBA_ptr; - struct get_conf gc; - int i; - - find_pio_PCI(&gc); - find_pio_EISA(&gc); - find_pio_ISA(&gc); - - for (i = 0; i < MAXIRQ; i++) - if (reg_IRQ[i]) - request_irq(i, do_eata_pio_int_handler, 0, "EATA-PIO", NULL); - - HBA_ptr = first_HBA; - - if (registered_HBAs != 0) { - printk("EATA (Extended Attachment) PIO driver version: %d.%d%s\n" - "(c) 1993-95 Michael Neuffer, neuffer@goofy.zdv.uni-mainz.de\n" " Alfred Arnold, a.arnold@kfa-juelich.de\n" "This release only supports DASD devices (harddisks)\n", VER_MAJOR, VER_MINOR, VER_SUB); - - printk("Registered HBAs:\n"); - printk("HBA no. Boardtype: Revis: EATA: Bus: BaseIO: IRQ: Ch: ID: Pr:" " QS: SG: CPL:\n"); - for (i = 1; i <= registered_HBAs; i++) { - printk("scsi%-2d: %.10s v%s 2.0%c %s %#.4lx %2d %d %d %c" - " %2d %2d %2d\n", - HBA_ptr->host_no, SD(HBA_ptr)->name, SD(HBA_ptr)->revision, - SD(HBA_ptr)->EATA_revision, (SD(HBA_ptr)->bustype == 'P') ? - "PCI " : (SD(HBA_ptr)->bustype == 'E') ? "EISA" : "ISA ", - HBA_ptr->base, HBA_ptr->irq, SD(HBA_ptr)->channel, HBA_ptr->this_id, - SD(HBA_ptr)->primary ? 'Y' : 'N', HBA_ptr->can_queue, - HBA_ptr->sg_tablesize, HBA_ptr->cmd_per_lun); - HBA_ptr = SD(HBA_ptr)->next; - } - } - return (registered_HBAs); -} - -static struct scsi_host_template driver_template = { - .proc_name = "eata_pio", - .name = "EATA (Extended Attachment) PIO driver", - .show_info = eata_pio_show_info, - .detect = eata_pio_detect, - .release = eata_pio_release, - .queuecommand = eata_pio_queue, - .eh_abort_handler = eata_pio_abort, - .eh_host_reset_handler = eata_pio_host_reset, - .use_clustering = ENABLE_CLUSTERING, -}; - -MODULE_AUTHOR("Michael Neuffer, Alfred Arnold"); -MODULE_DESCRIPTION("EATA SCSI PIO driver"); -MODULE_LICENSE("GPL"); - -#include "scsi_module.c" diff --git a/drivers/scsi/eata_pio.h b/drivers/scsi/eata_pio.h deleted file mode 100644 index 5b5e3d13670b..000000000000 --- a/drivers/scsi/eata_pio.h +++ /dev/null @@ -1,54 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/******************************************************** -* Header file for eata_pio.c Linux EATA-PIO SCSI driver * -* (c) 1993-96 Michael Neuffer * -********************************************************* -* last change: 2002/11/02 * -********************************************************/ - - -#ifndef _EATA_PIO_H -#define _EATA_PIO_H - -#define VER_MAJOR 0 -#define VER_MINOR 0 -#define VER_SUB "1b" - -/************************************************************************ - * Here you can switch parts of the code on and of * - ************************************************************************/ - -#define VERBOSE_SETUP /* show startup screen of 2001 */ -#define ALLOW_DMA_BOARDS 1 - -/************************************************************************ - * Debug options. * - * Enable DEBUG and whichever options you require. * - ************************************************************************/ -#define DEBUG_EATA 1 /* Enable debug code. */ -#define DPT_DEBUG 0 /* Bobs special */ -#define DBG_DELAY 0 /* Build in delays so debug messages can be - * be read before they vanish of the top of - * the screen! - */ -#define DBG_PROBE 0 /* Debug probe routines. */ -#define DBG_ISA 0 /* Trace ISA routines */ -#define DBG_EISA 0 /* Trace EISA routines */ -#define DBG_PCI 0 /* Trace PCI routines */ -#define DBG_PIO 0 /* Trace get_config_PIO */ -#define DBG_COM 0 /* Trace command call */ -#define DBG_QUEUE 0 /* Trace command queueing. */ -#define DBG_INTR 0 /* Trace interrupt service routine. */ -#define DBG_INTR2 0 /* Trace interrupt service routine. */ -#define DBG_PROC 0 /* Debug proc-fs related statistics */ -#define DBG_PROC_WRITE 0 -#define DBG_REGISTER 0 /* */ -#define DBG_ABNORM 1 /* Debug abnormal actions (reset, abort) */ - -#if DEBUG_EATA -#define DBG(x, y) if ((x)) {y;} -#else -#define DBG(x, y) -#endif - -#endif /* _EATA_PIO_H */