cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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qlogic_stub.c (9419B)


      1/*======================================================================
      2
      3    A driver for the Qlogic SCSI card
      4
      5    qlogic_cs.c 1.79 2000/06/12 21:27:26
      6
      7    The contents of this file are subject to the Mozilla Public
      8    License Version 1.1 (the "License"); you may not use this file
      9    except in compliance with the License. You may obtain a copy of
     10    the License at http://www.mozilla.org/MPL/
     11
     12    Software distributed under the License is distributed on an "AS
     13    IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
     14    implied. See the License for the specific language governing
     15    rights and limitations under the License.
     16
     17    The initial developer of the original code is David A. Hinds
     18    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
     19    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
     20
     21    Alternatively, the contents of this file may be used under the
     22    terms of the GNU General Public License version 2 (the "GPL"), in which
     23    case the provisions of the GPL are applicable instead of the
     24    above.  If you wish to allow the use of your version of this file
     25    only under the terms of the GPL and not to allow others to use
     26    your version of this file under the MPL, indicate your decision
     27    by deleting the provisions above and replace them with the notice
     28    and other provisions required by the GPL.  If you do not delete
     29    the provisions above, a recipient may use your version of this
     30    file under either the MPL or the GPL.
     31    
     32======================================================================*/
     33
     34#include <linux/module.h>
     35#include <linux/init.h>
     36#include <linux/kernel.h>
     37#include <linux/slab.h>
     38#include <linux/string.h>
     39#include <linux/ioport.h>
     40#include <asm/io.h>
     41#include <linux/major.h>
     42#include <linux/blkdev.h>
     43#include <linux/interrupt.h>
     44
     45#include <scsi/scsi.h>
     46#include <scsi/scsi_cmnd.h>
     47#include <scsi/scsi_device.h>
     48#include <scsi/scsi_eh.h>
     49#include <scsi/scsi_host.h>
     50#include <scsi/scsi_ioctl.h>
     51#include <scsi/scsi_tcq.h>
     52#include "../qlogicfas408.h"
     53
     54#include <pcmcia/cistpl.h>
     55#include <pcmcia/ds.h>
     56#include <pcmcia/ciscode.h>
     57
     58/* Set the following to 2 to use normal interrupt (active high/totempole-
     59 * tristate), otherwise use 0 (REQUIRED FOR PCMCIA) for active low, open
     60 * drain
     61 */
     62#define INT_TYPE	0
     63
     64static char qlogic_name[] = "qlogic_cs";
     65
     66static struct scsi_host_template qlogicfas_driver_template = {
     67	.module			= THIS_MODULE,
     68	.name			= qlogic_name,
     69	.proc_name		= qlogic_name,
     70	.info			= qlogicfas408_info,
     71	.queuecommand		= qlogicfas408_queuecommand,
     72	.eh_abort_handler	= qlogicfas408_abort,
     73	.eh_host_reset_handler	= qlogicfas408_host_reset,
     74	.bios_param		= qlogicfas408_biosparam,
     75	.can_queue		= 1,
     76	.this_id		= -1,
     77	.sg_tablesize		= SG_ALL,
     78	.dma_boundary		= PAGE_SIZE - 1,
     79};
     80
     81/*====================================================================*/
     82
     83typedef struct scsi_info_t {
     84	struct pcmcia_device	*p_dev;
     85	struct Scsi_Host *host;
     86	unsigned short manf_id;
     87} scsi_info_t;
     88
     89static void qlogic_release(struct pcmcia_device *link);
     90static void qlogic_detach(struct pcmcia_device *p_dev);
     91static int qlogic_config(struct pcmcia_device * link);
     92
     93static struct Scsi_Host *qlogic_detect(struct scsi_host_template *host,
     94				struct pcmcia_device *link, int qbase, int qlirq)
     95{
     96	int qltyp;		/* type of chip */
     97	int qinitid;
     98	struct Scsi_Host *shost;	/* registered host structure */
     99	struct qlogicfas408_priv *priv;
    100
    101	qltyp = qlogicfas408_get_chip_type(qbase, INT_TYPE);
    102	qinitid = host->this_id;
    103	if (qinitid < 0)
    104		qinitid = 7;	/* if no ID, use 7 */
    105
    106	qlogicfas408_setup(qbase, qinitid, INT_TYPE);
    107
    108	host->name = qlogic_name;
    109	shost = scsi_host_alloc(host, sizeof(struct qlogicfas408_priv));
    110	if (!shost)
    111		goto err;
    112	shost->io_port = qbase;
    113	shost->n_io_port = 16;
    114	shost->dma_channel = -1;
    115	if (qlirq != -1)
    116		shost->irq = qlirq;
    117
    118	priv = get_priv_by_host(shost);
    119	priv->qlirq = qlirq;
    120	priv->qbase = qbase;
    121	priv->qinitid = qinitid;
    122	priv->shost = shost;
    123	priv->int_type = INT_TYPE;					
    124
    125	if (request_irq(qlirq, qlogicfas408_ihandl, 0, qlogic_name, shost))
    126		goto free_scsi_host;
    127
    128	sprintf(priv->qinfo,
    129		"Qlogicfas Driver version 0.46, chip %02X at %03X, IRQ %d, TPdma:%d",
    130		qltyp, qbase, qlirq, QL_TURBO_PDMA);
    131
    132	if (scsi_add_host(shost, NULL))
    133		goto free_interrupt;
    134
    135	scsi_scan_host(shost);
    136
    137	return shost;
    138
    139free_interrupt:
    140	free_irq(qlirq, shost);
    141
    142free_scsi_host:
    143	scsi_host_put(shost);
    144	
    145err:
    146	return NULL;
    147}
    148static int qlogic_probe(struct pcmcia_device *link)
    149{
    150	scsi_info_t *info;
    151
    152	dev_dbg(&link->dev, "qlogic_attach()\n");
    153
    154	/* Create new SCSI device */
    155	info = kzalloc(sizeof(*info), GFP_KERNEL);
    156	if (!info)
    157		return -ENOMEM;
    158	info->p_dev = link;
    159	link->priv = info;
    160	link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
    161	link->config_regs = PRESENT_OPTION;
    162
    163	return qlogic_config(link);
    164}				/* qlogic_attach */
    165
    166/*====================================================================*/
    167
    168static void qlogic_detach(struct pcmcia_device *link)
    169{
    170	dev_dbg(&link->dev, "qlogic_detach\n");
    171
    172	qlogic_release(link);
    173	kfree(link->priv);
    174
    175}				/* qlogic_detach */
    176
    177/*====================================================================*/
    178
    179static int qlogic_config_check(struct pcmcia_device *p_dev, void *priv_data)
    180{
    181	p_dev->io_lines = 10;
    182	p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
    183	p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
    184
    185	if (p_dev->resource[0]->start == 0)
    186		return -ENODEV;
    187
    188	return pcmcia_request_io(p_dev);
    189}
    190
    191static int qlogic_config(struct pcmcia_device * link)
    192{
    193	scsi_info_t *info = link->priv;
    194	int ret;
    195	struct Scsi_Host *host;
    196
    197	dev_dbg(&link->dev, "qlogic_config\n");
    198
    199	ret = pcmcia_loop_config(link, qlogic_config_check, NULL);
    200	if (ret)
    201		goto failed;
    202
    203	if (!link->irq)
    204		goto failed;
    205
    206	ret = pcmcia_enable_device(link);
    207	if (ret)
    208		goto failed;
    209
    210	if ((info->manf_id == MANFID_MACNICA) || (info->manf_id == MANFID_PIONEER) || (info->manf_id == 0x0098)) {
    211		/* set ATAcmd */
    212		outb(0xb4, link->resource[0]->start + 0xd);
    213		outb(0x24, link->resource[0]->start + 0x9);
    214		outb(0x04, link->resource[0]->start + 0xd);
    215	}
    216
    217	/* The KXL-810AN has a bigger IO port window */
    218	if (resource_size(link->resource[0]) == 32)
    219		host = qlogic_detect(&qlogicfas_driver_template, link,
    220			link->resource[0]->start + 16, link->irq);
    221	else
    222		host = qlogic_detect(&qlogicfas_driver_template, link,
    223			link->resource[0]->start, link->irq);
    224	
    225	if (!host) {
    226		printk(KERN_INFO "%s: no SCSI devices found\n", qlogic_name);
    227		goto failed;
    228	}
    229
    230	info->host = host;
    231
    232	return 0;
    233
    234failed:
    235	pcmcia_disable_device(link);
    236	return -ENODEV;
    237}				/* qlogic_config */
    238
    239/*====================================================================*/
    240
    241static void qlogic_release(struct pcmcia_device *link)
    242{
    243	scsi_info_t *info = link->priv;
    244
    245	dev_dbg(&link->dev, "qlogic_release\n");
    246
    247	scsi_remove_host(info->host);
    248
    249	free_irq(link->irq, info->host);
    250	pcmcia_disable_device(link);
    251
    252	scsi_host_put(info->host);
    253}
    254
    255/*====================================================================*/
    256
    257static int qlogic_resume(struct pcmcia_device *link)
    258{
    259	scsi_info_t *info = link->priv;
    260	int ret;
    261
    262	ret = pcmcia_enable_device(link);
    263	if (ret)
    264		return ret;
    265
    266	if ((info->manf_id == MANFID_MACNICA) ||
    267	    (info->manf_id == MANFID_PIONEER) ||
    268	    (info->manf_id == 0x0098)) {
    269		outb(0x80, link->resource[0]->start + 0xd);
    270		outb(0x24, link->resource[0]->start + 0x9);
    271		outb(0x04, link->resource[0]->start + 0xd);
    272	}
    273	/* Ugggglllyyyy!!! */
    274	qlogicfas408_host_reset(NULL);
    275
    276	return 0;
    277}
    278
    279static const struct pcmcia_device_id qlogic_ids[] = {
    280	PCMCIA_DEVICE_PROD_ID12("EIger Labs", "PCMCIA-to-SCSI Adapter", 0x88395fa7, 0x33b7a5e6),
    281	PCMCIA_DEVICE_PROD_ID12("EPSON", "SCSI-2 PC Card SC200", 0xd361772f, 0x299d1751),
    282	PCMCIA_DEVICE_PROD_ID12("MACNICA", "MIRACLE SCSI-II mPS110", 0x20841b68, 0xab3c3b6d),
    283	PCMCIA_DEVICE_PROD_ID12("MIDORI ELECTRONICS ", "CN-SC43", 0x6534382a, 0xd67eee79),
    284	PCMCIA_DEVICE_PROD_ID12("NEC", "PC-9801N-J03R", 0x18df0ba0, 0x24662e8a),
    285	PCMCIA_DEVICE_PROD_ID12("KME ", "KXLC003", 0x82375a27, 0xf68e5bf7),
    286	PCMCIA_DEVICE_PROD_ID12("KME ", "KXLC004", 0x82375a27, 0x68eace54),
    287	PCMCIA_DEVICE_PROD_ID12("KME", "KXLC101", 0x3faee676, 0x194250ec),
    288	PCMCIA_DEVICE_PROD_ID12("QLOGIC CORPORATION", "pc05", 0xd77b2930, 0xa85b2735),
    289	PCMCIA_DEVICE_PROD_ID12("QLOGIC CORPORATION", "pc05 rev 1.10", 0xd77b2930, 0x70f8b5f8),
    290	PCMCIA_DEVICE_PROD_ID123("KME", "KXLC002", "00", 0x3faee676, 0x81896b61, 0xf99f065f),
    291	PCMCIA_DEVICE_PROD_ID12("RATOC System Inc.", "SCSI2 CARD 37", 0x85c10e17, 0x1a2640c1),
    292	PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "SCSC200A PC CARD SCSI", 0xb4585a1a, 0xa6f06ebe),
    293	PCMCIA_DEVICE_PROD_ID12("TOSHIBA", "SCSC200B PC CARD SCSI-10", 0xb4585a1a, 0x0a88dea0),
    294	/* these conflict with other cards! */
    295	/* PCMCIA_DEVICE_PROD_ID123("MACNICA", "MIRACLE SCSI", "mPS100", 0x20841b68, 0xf8dedaeb, 0x89f7fafb), */
    296	/* PCMCIA_DEVICE_PROD_ID123("MACNICA", "MIRACLE SCSI", "mPS100", 0x20841b68, 0xf8dedaeb, 0x89f7fafb), */
    297	PCMCIA_DEVICE_NULL,
    298};
    299MODULE_DEVICE_TABLE(pcmcia, qlogic_ids);
    300
    301static struct pcmcia_driver qlogic_cs_driver = {
    302	.owner		= THIS_MODULE,
    303	.name		= "qlogic_cs",
    304	.probe		= qlogic_probe,
    305	.remove		= qlogic_detach,
    306	.id_table       = qlogic_ids,
    307	.resume		= qlogic_resume,
    308};
    309
    310MODULE_AUTHOR("Tom Zerucha, Michael Griffith");
    311MODULE_DESCRIPTION("Driver for the PCMCIA Qlogic FAS SCSI controllers");
    312MODULE_LICENSE("GPL");
    313module_pcmcia_driver(qlogic_cs_driver);