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rtsx_scsi.c
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/* Driver for Realtek PCI-Express card reader
*
* Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
*
* 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, 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, see <http:
*
* Author:
* wwang (wei_wang@realsil.com.cn)
* No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
*/
#include <linux/blkdev.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <linux/vmalloc.h>
#include "rtsx.h"
#include "rtsx_transport.h"
#include "rtsx_sys.h"
#include "rtsx_card.h"
#include "rtsx_chip.h"
#include "rtsx_scsi.h"
#include "sd.h"
#include "ms.h"
#include "spi.h"
void scsi_show_command(struct scsi_cmnd *srb)
{
char *what = NULL;
int i, unknown_cmd = 0;
switch (srb->cmnd[0]) {
case TEST_UNIT_READY: what = "TEST_UNIT_READY"; break;
case REZERO_UNIT: what = "REZERO_UNIT"; break;
case REQUEST_SENSE: what = "REQUEST_SENSE"; break;
case FORMAT_UNIT: what = "FORMAT_UNIT"; break;
case READ_BLOCK_LIMITS: what = "READ_BLOCK_LIMITS"; break;
case REASSIGN_BLOCKS: what = "REASSIGN_BLOCKS"; break;
case READ_6: what = "READ_6"; break;
case WRITE_6: what = "WRITE_6"; break;
case SEEK_6: what = "SEEK_6"; break;
case READ_REVERSE: what = "READ_REVERSE"; break;
case WRITE_FILEMARKS: what = "WRITE_FILEMARKS"; break;
case SPACE: what = "SPACE"; break;
case INQUIRY: what = "INQUIRY"; break;
case RECOVER_BUFFERED_DATA: what = "RECOVER_BUFFERED_DATA"; break;
case MODE_SELECT: what = "MODE_SELECT"; break;
case RESERVE: what = "RESERVE"; break;
case RELEASE: what = "RELEASE"; break;
case COPY: what = "COPY"; break;
case ERASE: what = "ERASE"; break;
case MODE_SENSE: what = "MODE_SENSE"; break;
case START_STOP: what = "START_STOP"; break;
case RECEIVE_DIAGNOSTIC: what = "RECEIVE_DIAGNOSTIC"; break;
case SEND_DIAGNOSTIC: what = "SEND_DIAGNOSTIC"; break;
case ALLOW_MEDIUM_REMOVAL: what = "ALLOW_MEDIUM_REMOVAL"; break;
case SET_WINDOW: what = "SET_WINDOW"; break;
case READ_CAPACITY: what = "READ_CAPACITY"; break;
case READ_10: what = "READ_10"; break;
case WRITE_10: what = "WRITE_10"; break;
case SEEK_10: what = "SEEK_10"; break;
case WRITE_VERIFY: what = "WRITE_VERIFY"; break;
case VERIFY: what = "VERIFY"; break;
case SEARCH_HIGH: what = "SEARCH_HIGH"; break;
case SEARCH_EQUAL: what = "SEARCH_EQUAL"; break;
case SEARCH_LOW: what = "SEARCH_LOW"; break;
case SET_LIMITS: what = "SET_LIMITS"; break;
case READ_POSITION: what = "READ_POSITION"; break;
case SYNCHRONIZE_CACHE: what = "SYNCHRONIZE_CACHE"; break;
case LOCK_UNLOCK_CACHE: what = "LOCK_UNLOCK_CACHE"; break;
case READ_DEFECT_DATA: what = "READ_DEFECT_DATA"; break;
case MEDIUM_SCAN: what = "MEDIUM_SCAN"; break;
case COMPARE: what = "COMPARE"; break;
case COPY_VERIFY: what = "COPY_VERIFY"; break;
case WRITE_BUFFER: what = "WRITE_BUFFER"; break;
case READ_BUFFER: what = "READ_BUFFER"; break;
case UPDATE_BLOCK: what = "UPDATE_BLOCK"; break;
case READ_LONG: what = "READ_LONG"; break;
case WRITE_LONG: what = "WRITE_LONG"; break;
case CHANGE_DEFINITION: what = "CHANGE_DEFINITION"; break;
case WRITE_SAME: what = "WRITE_SAME"; break;
case GPCMD_READ_SUBCHANNEL: what = "READ SUBCHANNEL"; break;
case READ_TOC: what = "READ_TOC"; break;
case GPCMD_READ_HEADER: what = "READ HEADER"; break;
case GPCMD_PLAY_AUDIO_10: what = "PLAY AUDIO (10)"; break;
case GPCMD_PLAY_AUDIO_MSF: what = "PLAY AUDIO MSF"; break;
case GPCMD_GET_EVENT_STATUS_NOTIFICATION:
what = "GET EVENT/STATUS NOTIFICATION"; break;
case GPCMD_PAUSE_RESUME: what = "PAUSE/RESUME"; break;
case LOG_SELECT: what = "LOG_SELECT"; break;
case LOG_SENSE: what = "LOG_SENSE"; break;
case GPCMD_STOP_PLAY_SCAN: what = "STOP PLAY/SCAN"; break;
case GPCMD_READ_DISC_INFO: what = "READ DISC INFORMATION"; break;
case GPCMD_READ_TRACK_RZONE_INFO:
what = "READ TRACK INFORMATION"; break;
case GPCMD_RESERVE_RZONE_TRACK: what = "RESERVE TRACK"; break;
case GPCMD_SEND_OPC: what = "SEND OPC"; break;
case MODE_SELECT_10: what = "MODE_SELECT_10"; break;
case GPCMD_REPAIR_RZONE_TRACK: what = "REPAIR TRACK"; break;
case 0x59: what = "READ MASTER CUE"; break;
case MODE_SENSE_10: what = "MODE_SENSE_10"; break;
case GPCMD_CLOSE_TRACK: what = "CLOSE TRACK/SESSION"; break;
case 0x5C: what = "READ BUFFER CAPACITY"; break;
case 0x5D: what = "SEND CUE SHEET"; break;
case GPCMD_BLANK: what = "BLANK"; break;
case REPORT_LUNS: what = "REPORT LUNS"; break;
case MOVE_MEDIUM: what = "MOVE_MEDIUM or PLAY AUDIO (12)"; break;
case READ_12: what = "READ_12"; break;
case WRITE_12: what = "WRITE_12"; break;
case WRITE_VERIFY_12: what = "WRITE_VERIFY_12"; break;
case SEARCH_HIGH_12: what = "SEARCH_HIGH_12"; break;
case SEARCH_EQUAL_12: what = "SEARCH_EQUAL_12"; break;
case SEARCH_LOW_12: what = "SEARCH_LOW_12"; break;
case SEND_VOLUME_TAG: what = "SEND_VOLUME_TAG"; break;
case READ_ELEMENT_STATUS: what = "READ_ELEMENT_STATUS"; break;
case GPCMD_READ_CD_MSF: what = "READ CD MSF"; break;
case GPCMD_SCAN: what = "SCAN"; break;
case GPCMD_SET_SPEED: what = "SET CD SPEED"; break;
case GPCMD_MECHANISM_STATUS: what = "MECHANISM STATUS"; break;
case GPCMD_READ_CD: what = "READ CD"; break;
case 0xE1: what = "WRITE CONTINUE"; break;
case WRITE_LONG_2: what = "WRITE_LONG_2"; break;
case VENDOR_CMND: what = "Realtek's vendor command"; break;
default: what = "(unknown command)"; unknown_cmd = 1; break;
}
if (srb->cmnd[0] != TEST_UNIT_READY) {
RTSX_DEBUGP(("Command %s (%d bytes)\n", what, srb->cmd_len));
}
if (unknown_cmd) {
RTSX_DEBUGP((""));
for (i = 0; i < srb->cmd_len && i < 16; i++)
RTSX_DEBUGPN((" %02x", srb->cmnd[i]));
RTSX_DEBUGPN(("\n"));
}
}
void set_sense_type(struct rtsx_chip *chip, unsigned int lun, int sense_type)
{
switch (sense_type) {
case SENSE_TYPE_MEDIA_CHANGE:
set_sense_data(chip, lun, CUR_ERR, 0x06, 0, 0x28, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_NOT_PRESENT:
set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x3A, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_LBA_OVER_RANGE:
set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x21, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT:
set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x25, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_WRITE_PROTECT:
set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x27, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR:
set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x11, 0, 0, 0);
break;
case SENSE_TYPE_MEDIA_WRITE_ERR:
set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x02, 0, 0);
break;
case SENSE_TYPE_MEDIA_INVALID_CMD_FIELD:
set_sense_data(chip, lun, CUR_ERR, ILGAL_REQ, 0,
ASC_INVLD_CDB, ASCQ_INVLD_CDB, CDB_ILLEGAL, 1);
break;
case SENSE_TYPE_FORMAT_IN_PROGRESS:
set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, 0, 0);
break;
case SENSE_TYPE_FORMAT_CMD_FAILED:
set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x31, 0x01, 0, 0);
break;
#ifdef SUPPORT_MAGIC_GATE
case SENSE_TYPE_MG_KEY_FAIL_NOT_ESTAB:
set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x02, 0, 0);
break;
case SENSE_TYPE_MG_KEY_FAIL_NOT_AUTHEN:
set_sense_data(chip, lun, CUR_ERR, 0x05, 0, 0x6F, 0x00, 0, 0);
break;
case SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM:
set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x30, 0x00, 0, 0);
break;
case SENSE_TYPE_MG_WRITE_ERR:
set_sense_data(chip, lun, CUR_ERR, 0x03, 0, 0x0C, 0x00, 0, 0);
break;
#endif
#ifdef SUPPORT_SD_LOCK
case SENSE_TYPE_MEDIA_READ_FORBIDDEN:
set_sense_data(chip, lun, CUR_ERR, 0x07, 0, 0x11, 0x13, 0, 0);
break;
#endif
case SENSE_TYPE_NO_SENSE:
default:
set_sense_data(chip, lun, CUR_ERR, 0, 0, 0, 0, 0, 0);
break;
}
}
void set_sense_data(struct rtsx_chip *chip, unsigned int lun, u8 err_code, u8 sense_key,
u32 info, u8 asc, u8 ascq, u8 sns_key_info0, u16 sns_key_info1)
{
struct sense_data_t *sense = &(chip->sense_buffer[lun]);
sense->err_code = err_code;
sense->sense_key = sense_key;
sense->info[0] = (u8)(info >> 24);
sense->info[1] = (u8)(info >> 16);
sense->info[2] = (u8)(info >> 8);
sense->info[3] = (u8)info;
sense->ad_sense_len = sizeof(struct sense_data_t) - 8;
sense->asc = asc;
sense->ascq = ascq;
if ( sns_key_info0 != 0 ) {
sense->sns_key_info[0] = SKSV | sns_key_info0;
sense->sns_key_info[1] = (sns_key_info1 & 0xf0) >> 8;
sense->sns_key_info[2] = sns_key_info1 & 0x0f;
}
}
static int test_unit_ready(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned int lun = SCSI_LUN(srb);
if (!check_card_ready(chip, lun)) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
return TRANSPORT_FAILED;
}
if (!(CHK_BIT(chip->lun_mc, lun))) {
SET_BIT(chip->lun_mc, lun);
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
return TRANSPORT_FAILED;
}
#ifdef SUPPORT_SD_LOCK
if (get_lun_card(chip, SCSI_LUN(srb)) == SD_CARD) {
struct sd_info *sd_card = &(chip->sd_card);
if (sd_card->sd_lock_notify) {
sd_card->sd_lock_notify = 0;
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
return TRANSPORT_FAILED;
} else if (sd_card->sd_lock_status & SD_LOCKED) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_READ_FORBIDDEN);
return TRANSPORT_FAILED;
}
}
#endif
return TRANSPORT_GOOD;
}
unsigned char formatter_inquiry_str[20] =
{
'M','E','M','O','R','Y','S','T','I','C','K',
#ifdef SUPPORT_MAGIC_GATE
'-', 'M', 'G',
#else
0x20, 0x20, 0x20,
#endif
#ifdef SUPPORT_MAGIC_GATE
0x0B,
#else
0x09,
#endif
0x00,
0x00,
0x20, 0x20, 0x20,
};
static int inquiry(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned int lun = SCSI_LUN(srb);
char inquiry_default[48] = "Generic-xD/SD/M.S. 1.00 ";
char inquiry_sdms[48] = "Generic-SD/MemoryStick 1.00 ";
char inquiry_sd[48] = "Generic-SD/MMC 1.00 ";
char inquiry_ms[48] = "Generic-MemoryStick 1.00 ";
char *inquiry_string;
unsigned char sendbytes;
unsigned char *buf;
u8 card = get_lun_card(chip, lun);
int pro_formatter_flag = 0;
unsigned char inquiry_buf[] =
{
QULIFIRE|DRCT_ACCESS_DEV,
RMB_DISC|0x0D,
0x00,
0x01,
0x1f,
0x02,
0,
REL_ADR|WBUS_32|WBUS_16|SYNC|LINKED|CMD_QUE|SFT_RE,
};
if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) {
if (chip->lun2card[lun] == SD_CARD) {
inquiry_string = inquiry_sd;
} else {
inquiry_string = inquiry_ms;
}
} else if (CHECK_LUN_MODE(chip, SD_MS_1LUN)) {
inquiry_string = inquiry_sdms;
} else {
inquiry_string = inquiry_default;
}
buf = vmalloc(scsi_bufflen(srb));
if (buf == NULL) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
#ifdef SUPPORT_MAGIC_GATE
if ((chip->mspro_formatter_enable) &&
(chip->lun2card[lun] & MS_CARD))
#else
if (chip->mspro_formatter_enable)
#endif
{
if (!card || (card == MS_CARD)) {
pro_formatter_flag = 1;
}
}
if (pro_formatter_flag) {
if (scsi_bufflen(srb) < 56) {
sendbytes = (unsigned char)(scsi_bufflen(srb));
} else {
sendbytes = 56;
}
} else {
if (scsi_bufflen(srb) < 36) {
sendbytes = (unsigned char)(scsi_bufflen(srb));
} else {
sendbytes = 36;
}
}
if (sendbytes > 8) {
memcpy(buf, inquiry_buf, 8);
memcpy(buf + 8, inquiry_string, sendbytes - 8);
if (pro_formatter_flag) {
buf[4] = 0x33;
}
} else {
memcpy(buf, inquiry_buf, sendbytes);
}
if (pro_formatter_flag) {
if (sendbytes > 36) {
memcpy(buf + 36, formatter_inquiry_str, sendbytes - 36);
}
}
scsi_set_resid(srb, 0);
rtsx_stor_set_xfer_buf(buf, scsi_bufflen(srb), srb);
vfree(buf);
return TRANSPORT_GOOD;
}
static int start_stop_unit(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned int lun = SCSI_LUN(srb);
scsi_set_resid(srb, scsi_bufflen(srb));
if (srb->cmnd[1] == 1) {
return TRANSPORT_GOOD;
}
switch (srb->cmnd[0x4]) {
case STOP_MEDIUM:
return TRANSPORT_GOOD;
case UNLOAD_MEDIUM:
if (check_card_ready(chip, lun)) {
eject_card(chip, lun);
}
return TRANSPORT_GOOD;
case MAKE_MEDIUM_READY:
case LOAD_MEDIUM:
if (check_card_ready(chip, lun)) {
return TRANSPORT_GOOD;
} else {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
TRACE_RET(chip, TRANSPORT_FAILED);
}
break;
}
TRACE_RET(chip, TRANSPORT_ERROR);
}
static int allow_medium_removal(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
int prevent;
prevent = srb->cmnd[4] & 0x1;
scsi_set_resid(srb, 0);
if (prevent) {
set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
TRACE_RET(chip, TRANSPORT_FAILED);
}
return TRANSPORT_GOOD;
}
static int request_sense(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
struct sense_data_t *sense;
unsigned int lun = SCSI_LUN(srb);
struct ms_info *ms_card = &(chip->ms_card);
unsigned char *tmp, *buf;
sense = &(chip->sense_buffer[lun]);
if ((get_lun_card(chip, lun) == MS_CARD) && ms_card->pro_under_formatting) {
if (ms_card->format_status == FORMAT_SUCCESS) {
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
ms_card->pro_under_formatting = 0;
ms_card->progress = 0;
} else if (ms_card->format_status == FORMAT_IN_PROGRESS) {
set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04,
0, (u16)(ms_card->progress));
} else {
set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED);
ms_card->pro_under_formatting = 0;
ms_card->progress = 0;
}
rtsx_set_stat(chip, RTSX_STAT_RUN);
}
buf = vmalloc(scsi_bufflen(srb));
if (buf == NULL) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
tmp = (unsigned char *)sense;
memcpy(buf, tmp, scsi_bufflen(srb));
rtsx_stor_set_xfer_buf(buf, scsi_bufflen(srb), srb);
vfree(buf);
scsi_set_resid(srb,0);
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
return TRANSPORT_GOOD;
}
static void ms_mode_sense(struct rtsx_chip *chip, u8 cmd,
int lun, u8 *buf, int buf_len)
{
struct ms_info *ms_card = &(chip->ms_card);
int sys_info_offset;
int data_size = buf_len;
int support_format = 0;
int i = 0;
if (cmd == MODE_SENSE) {
sys_info_offset = 8;
if (data_size > 0x68) {
data_size = 0x68;
}
buf[i++] = 0x67;
} else {
sys_info_offset = 12;
if (data_size > 0x6C) {
data_size = 0x6C;
}
buf[i++] = 0x00;
buf[i++] = 0x6A;
}
if (check_card_ready(chip, lun)) {
if (CHK_MSXC(ms_card)) {
support_format = 1;
buf[i++] = 0x40;
} else if (CHK_MSPRO(ms_card)) {
support_format = 1;
buf[i++] = 0x20;
} else {
buf[i++] = 0x10;
}
if (check_card_wp(chip, lun)) {
buf[i++] = 0x80;
} else {
buf[i++] = 0x00;
}
} else {
buf[i++] = 0x00;
buf[i++] = 0x00;
}
buf[i++] = 0x00;
if (cmd == MODE_SENSE_10) {
buf[i++] = 0x00;
buf[i++] = 0x00;
buf[i++] = 0x00;
if (data_size >= 9) {
buf[i++] = 0x20;
}
if (data_size >= 10) {
buf[i++] = 0x62;
}
if (data_size >= 11) {
buf[i++] = 0x00;
}
if (data_size >= 12) {
if (support_format) {
buf[i++] = 0xC0;
} else {
buf[i++] = 0x00;
}
}
} else {
if (data_size >= 5) {
buf[i++] = 0x20;
}
if (data_size >= 6) {
buf[i++] = 0x62;
}
if (data_size >= 7) {
buf[i++] = 0x00;
}
if (data_size >= 8) {
if (support_format) {
buf[i++] = 0xC0;
} else {
buf[i++] = 0x00;
}
}
}
if (data_size > sys_info_offset) {
int len = data_size - sys_info_offset;
len = (len < 96) ? len : 96;
memcpy(buf + sys_info_offset, ms_card->raw_sys_info, len);
}
}
static int mode_sense(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned int lun = SCSI_LUN(srb);
unsigned int dataSize;
int status;
int pro_formatter_flag;
unsigned char pageCode, *buf;
u8 card = get_lun_card(chip, lun);
#ifndef SUPPORT_MAGIC_GATE
if (!check_card_ready(chip, lun)) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
scsi_set_resid(srb, scsi_bufflen(srb));
TRACE_RET(chip, TRANSPORT_FAILED);
}
#endif
pro_formatter_flag = 0;
dataSize = 8;
#ifdef SUPPORT_MAGIC_GATE
if ((chip->lun2card[lun] & MS_CARD)) {
if (!card || (card == MS_CARD)) {
dataSize = 108;
if (chip->mspro_formatter_enable) {
pro_formatter_flag = 1;
}
}
}
#else
if (card == MS_CARD) {
if (chip->mspro_formatter_enable) {
pro_formatter_flag = 1;
dataSize = 108;
}
}
#endif
buf = kmalloc(dataSize, GFP_KERNEL);
if (buf == NULL) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
pageCode = srb->cmnd[2] & 0x3f;
if ((pageCode == 0x3F) || (pageCode == 0x1C) ||
(pageCode == 0x00) ||
(pro_formatter_flag && (pageCode == 0x20))) {
if (srb->cmnd[0] == MODE_SENSE) {
if ((pageCode == 0x3F) || (pageCode == 0x20)) {
ms_mode_sense(chip, srb->cmnd[0], lun, buf, dataSize);
} else {
dataSize = 4;
buf[0] = 0x03;
buf[1] = 0x00;
if (check_card_wp(chip, lun)) {
buf[2] = 0x80;
} else {
buf[2] = 0x00;
}
buf[3] = 0x00;
}
} else {
if ((pageCode == 0x3F) || (pageCode == 0x20)) {
ms_mode_sense(chip, srb->cmnd[0], lun, buf, dataSize);
} else {
dataSize = 8;
buf[0] = 0x00;
buf[1] = 0x06;
buf[2] = 0x00;
if (check_card_wp(chip, lun)) {
buf[3] = 0x80;
} else {
buf[3] = 0x00;
}
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x00;
buf[7] = 0x00;
}
}
status = TRANSPORT_GOOD;
} else {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
scsi_set_resid(srb, scsi_bufflen(srb));
status = TRANSPORT_FAILED;
}
if (status == TRANSPORT_GOOD) {
unsigned int len = min(scsi_bufflen(srb), dataSize);
rtsx_stor_set_xfer_buf(buf, len, srb);
scsi_set_resid(srb, scsi_bufflen(srb) - len);
}
kfree(buf);
return status;
}
static int read_write(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
#ifdef SUPPORT_SD_LOCK
struct sd_info *sd_card = &(chip->sd_card);
#endif
unsigned int lun = SCSI_LUN(srb);
int retval;
u32 start_sec;
u16 sec_cnt;
rtsx_disable_aspm(chip);
if (chip->ss_en && (rtsx_get_stat(chip) == RTSX_STAT_SS)) {
rtsx_exit_ss(chip);
wait_timeout(100);
}
rtsx_set_stat(chip, RTSX_STAT_RUN);
if (!check_card_ready(chip, lun) || (get_card_size(chip, lun) == 0)) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (!(CHK_BIT(chip->lun_mc, lun))) {
SET_BIT(chip->lun_mc, lun);
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
return TRANSPORT_FAILED;
}
#ifdef SUPPORT_SD_LOCK
if (sd_card->sd_erase_status) {
RTSX_DEBUGP(("SD card being erased!\n"));
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_READ_FORBIDDEN);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (get_lun_card(chip, lun) == SD_CARD) {
if (sd_card->sd_lock_status & SD_LOCKED) {
RTSX_DEBUGP(("SD card locked!\n"));
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_READ_FORBIDDEN);
TRACE_RET(chip, TRANSPORT_FAILED);
}
}
#endif
if ((srb->cmnd[0] == READ_10) || (srb->cmnd[0] == WRITE_10)) {
start_sec = ((u32)srb->cmnd[2] << 24) | ((u32)srb->cmnd[3] << 16) |
((u32)srb->cmnd[4] << 8) | ((u32)srb->cmnd[5]);
sec_cnt = ((u16)(srb->cmnd[7]) << 8) | srb->cmnd[8];
} else if ((srb->cmnd[0] == READ_6) || (srb->cmnd[0] == WRITE_6)) {
start_sec = ((u32)(srb->cmnd[1] & 0x1F) << 16) |
((u32)srb->cmnd[2] << 8) | ((u32)srb->cmnd[3]);
sec_cnt = srb->cmnd[4];
} else if ((srb->cmnd[0] == VENDOR_CMND) && (srb->cmnd[1] == SCSI_APP_CMD) &&
((srb->cmnd[2] == PP_READ10) || (srb->cmnd[2] == PP_WRITE10))) {
start_sec = ((u32)srb->cmnd[4] << 24) | ((u32)srb->cmnd[5] << 16) |
((u32)srb->cmnd[6] << 8) | ((u32)srb->cmnd[7]);
sec_cnt = ((u16)(srb->cmnd[9]) << 8) | srb->cmnd[10];
} else {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if ((start_sec > get_card_size(chip, lun)) ||
((start_sec + sec_cnt) > get_card_size(chip, lun))) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LBA_OVER_RANGE);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (sec_cnt == 0) {
scsi_set_resid(srb, 0);
return TRANSPORT_GOOD;
}
if (chip->rw_fail_cnt[lun] == 3) {
RTSX_DEBUGP(("read/write fail three times in succession\n"));
if (srb->sc_data_direction == DMA_FROM_DEVICE) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
} else {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
}
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (srb->sc_data_direction == DMA_TO_DEVICE) {
if (check_card_wp(chip, lun)) {
RTSX_DEBUGP(("Write protected card!\n"));
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (CHECK_PID(chip, 0x5209) && chip->max_payload) {
u8 val = 0x10 | (chip->max_payload << 5);
retval = rtsx_write_cfg_dw(chip, 0, 0x78, 0xFF, val);
if (retval != STATUS_SUCCESS) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
}
}
retval = card_rw(srb, chip, start_sec, sec_cnt);
if (retval != STATUS_SUCCESS) {
if (chip->need_release & chip->lun2card[lun]) {
chip->rw_fail_cnt[lun] = 0;
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
} else {
chip->rw_fail_cnt[lun] ++;
if (srb->sc_data_direction == DMA_FROM_DEVICE) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
} else {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
}
}
retval = TRANSPORT_FAILED;
TRACE_GOTO(chip, Exit);
} else {
chip->rw_fail_cnt[lun] = 0;
retval = TRANSPORT_GOOD;
}
scsi_set_resid(srb, 0);
Exit:
if (srb->sc_data_direction == DMA_TO_DEVICE) {
if (CHECK_PID(chip, 0x5209) && chip->max_payload) {
retval = rtsx_write_cfg_dw(chip, 0, 0x78, 0xFF, 0x10);
if (retval != STATUS_SUCCESS) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
}
}
return retval;
}
static int read_format_capacity(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned char *buf;
unsigned int lun = SCSI_LUN(srb);
unsigned int buf_len;
u8 card = get_lun_card(chip, lun);
u32 card_size;
int desc_cnt;
int i = 0;
if (!check_card_ready(chip, lun)) {
if (!chip->mspro_formatter_enable) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
TRACE_RET(chip, TRANSPORT_FAILED);
}
}
buf_len = (scsi_bufflen(srb) > 12) ? 0x14 : 12;
buf = kmalloc(buf_len, GFP_KERNEL);
if (buf == NULL) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
buf[i++] = 0;
buf[i++] = 0;
buf[i++] = 0;
if ((buf_len > 12) && chip->mspro_formatter_enable &&
(chip->lun2card[lun] & MS_CARD) &&
(!card || (card == MS_CARD))) {
buf[i++] = 0x10;
desc_cnt = 2;
} else {
buf[i++] = 0x08;
desc_cnt = 1;
}
while (desc_cnt) {
if (check_card_ready(chip, lun)) {
card_size = get_card_size(chip, lun);
buf[i++] = (unsigned char)(card_size >> 24);
buf[i++] = (unsigned char)(card_size >> 16);
buf[i++] = (unsigned char)(card_size >> 8);
buf[i++] = (unsigned char)card_size;
if (desc_cnt == 2) {
buf[i++] = 2;
} else {
buf[i++] = 0;
}
} else {
buf[i++] = 0xFF;
buf[i++] = 0xFF;
buf[i++] = 0xFF;
buf[i++] = 0xFF;
if (desc_cnt == 2) {
buf[i++] = 3;
} else {
buf[i++] = 0;
}
}
buf[i++] = 0x00;
buf[i++] = 0x02;
buf[i++] = 0x00;
desc_cnt --;
}
buf_len = min(scsi_bufflen(srb), buf_len);
rtsx_stor_set_xfer_buf(buf, buf_len, srb);
kfree(buf);
scsi_set_resid(srb, scsi_bufflen(srb) - buf_len);
return TRANSPORT_GOOD;
}
static int read_capacity(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned char *buf;
unsigned int lun = SCSI_LUN(srb);
u32 card_size;
if (!check_card_ready(chip, lun)) {
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (!(CHK_BIT(chip->lun_mc, lun))) {
SET_BIT(chip->lun_mc, lun);
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
return TRANSPORT_FAILED;
}
buf = kmalloc(8, GFP_KERNEL);
if (buf == NULL) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
card_size = get_card_size(chip, lun);
buf[0] = (unsigned char)((card_size - 1) >> 24);
buf[1] = (unsigned char)((card_size - 1) >> 16);
buf[2] = (unsigned char)((card_size - 1) >> 8);
buf[3] = (unsigned char)(card_size - 1);
buf[4] = 0x00;
buf[5] = 0x00;
buf[6] = 0x02;
buf[7] = 0x00;
rtsx_stor_set_xfer_buf(buf, scsi_bufflen(srb), srb);
kfree(buf);
scsi_set_resid(srb, 0);
return TRANSPORT_GOOD;
}
static int read_eeprom(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned short len, i;
int retval;
u8 *buf;
rtsx_disable_aspm(chip);
if (chip->ss_en && (rtsx_get_stat(chip) == RTSX_STAT_SS)) {
rtsx_exit_ss(chip);
wait_timeout(100);
}
rtsx_set_stat(chip, RTSX_STAT_RUN);
len = ((u16)srb->cmnd[4] << 8) | srb->cmnd[5];
buf = (u8 *)vmalloc(len);
if (!buf) {
TRACE_RET(chip, TRANSPORT_ERROR);
}
retval = rtsx_force_power_on(chip, SSC_PDCTL);
if (retval != STATUS_SUCCESS) {
vfree(buf);
set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
TRACE_RET(chip, TRANSPORT_FAILED);
}
for (i = 0; i < len; i++) {
retval = spi_read_eeprom(chip, i, buf + i);
if (retval != STATUS_SUCCESS) {
vfree(buf);
set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
TRACE_RET(chip, TRANSPORT_FAILED);
}
}
len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len);
rtsx_stor_set_xfer_buf(buf, len, srb);
scsi_set_resid(srb, scsi_bufflen(srb) - len);
vfree(buf);
return TRANSPORT_GOOD;
}
static int write_eeprom(struct scsi_cmnd *srb, struct rtsx_chip *chip)
{
unsigned short len, i;
int retval;
u8 *buf;
rtsx_disable_aspm(chip);
if (chip->ss_en && (rtsx_get_stat(chip) == RTSX_STAT_SS)) {
rtsx_exit_ss(chip);
wait_timeout(100);
}
rtsx_set_stat(chip, RTSX_STAT_RUN);
len = ((u16)srb->cmnd[4] << 8) | srb->cmnd[5];
retval = rtsx_force_power_on(chip, SSC_PDCTL);
if (retval != STATUS_SUCCESS) {
set_sense_type(chip, SCSI_LUN(srb), SENSE_TYPE_MEDIA_WRITE_ERR);
TRACE_RET(chip, TRANSPORT_FAILED);
}
if (len == 511) {