diff options
Diffstat (limited to 'drivers/staging/rts5139/rts51x_scsi.c')
| -rw-r--r-- | drivers/staging/rts5139/rts51x_scsi.c | 2234 |
1 files changed, 2234 insertions, 0 deletions
diff --git a/drivers/staging/rts5139/rts51x_scsi.c b/drivers/staging/rts5139/rts51x_scsi.c new file mode 100644 index 00000000000..3b32f9e6e4f --- /dev/null +++ b/drivers/staging/rts5139/rts51x_scsi.c @@ -0,0 +1,2234 @@ +/* Driver for Realtek RTS51xx USB 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://www.gnu.org/licenses/>. + * + * Author: + * wwang (wei_wang@realsil.com.cn) + * No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China + * Maintainer: + * Edwin Rong (edwin_rong@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/slab.h> +#include <linux/vmalloc.h> + +#include <scsi/scsi.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_device.h> + +#include "debug.h" +#include "rts51x.h" +#include "rts51x_chip.h" +#include "rts51x_scsi.h" +#include "rts51x_card.h" +#include "rts51x_transport.h" +#include "rts51x_sys.h" +#include "sd_cprm.h" +#include "ms_mg.h" +#include "trace.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 = (char *)"TEST_UNIT_READY"; + break; + case REZERO_UNIT: + what = (char *)"REZERO_UNIT"; + break; + case REQUEST_SENSE: + what = (char *)"REQUEST_SENSE"; + break; + case FORMAT_UNIT: + what = (char *)"FORMAT_UNIT"; + break; + case READ_BLOCK_LIMITS: + what = (char *)"READ_BLOCK_LIMITS"; + break; + case 0x07: + what = (char *)"REASSIGN_BLOCKS"; + break; + case READ_6: + what = (char *)"READ_6"; + break; + case WRITE_6: + what = (char *)"WRITE_6"; + break; + case SEEK_6: + what = (char *)"SEEK_6"; + break; + case READ_REVERSE: + what = (char *)"READ_REVERSE"; + break; + case WRITE_FILEMARKS: + what = (char *)"WRITE_FILEMARKS"; + break; + case SPACE: + what = (char *)"SPACE"; + break; + case INQUIRY: + what = (char *)"INQUIRY"; + break; + case RECOVER_BUFFERED_DATA: + what = (char *)"RECOVER_BUFFERED_DATA"; + break; + case MODE_SELECT: + what = (char *)"MODE_SELECT"; + break; + case RESERVE: + what = (char *)"RESERVE"; + break; + case RELEASE: + what = (char *)"RELEASE"; + break; + case COPY: + what = (char *)"COPY"; + break; + case ERASE: + what = (char *)"ERASE"; + break; + case MODE_SENSE: + what = (char *)"MODE_SENSE"; + break; + case START_STOP: + what = (char *)"START_STOP"; + break; + case RECEIVE_DIAGNOSTIC: + what = (char *)"RECEIVE_DIAGNOSTIC"; + break; + case SEND_DIAGNOSTIC: + what = (char *)"SEND_DIAGNOSTIC"; + break; + case ALLOW_MEDIUM_REMOVAL: + what = (char *)"ALLOW_MEDIUM_REMOVAL"; + break; + case SET_WINDOW: + what = (char *)"SET_WINDOW"; + break; + case READ_CAPACITY: + what = (char *)"READ_CAPACITY"; + break; + case READ_10: + what = (char *)"READ_10"; + break; + case WRITE_10: + what = (char *)"WRITE_10"; + break; + case SEEK_10: + what = (char *)"SEEK_10"; + break; + case WRITE_VERIFY: + what = (char *)"WRITE_VERIFY"; + break; + case VERIFY: + what = (char *)"VERIFY"; + break; + case SEARCH_HIGH: + what = (char *)"SEARCH_HIGH"; + break; + case SEARCH_EQUAL: + what = (char *)"SEARCH_EQUAL"; + break; + case SEARCH_LOW: + what = (char *)"SEARCH_LOW"; + break; + case SET_LIMITS: + what = (char *)"SET_LIMITS"; + break; + case READ_POSITION: + what = (char *)"READ_POSITION"; + break; + case SYNCHRONIZE_CACHE: + what = (char *)"SYNCHRONIZE_CACHE"; + break; + case LOCK_UNLOCK_CACHE: + what = (char *)"LOCK_UNLOCK_CACHE"; + break; + case READ_DEFECT_DATA: + what = (char *)"READ_DEFECT_DATA"; + break; + case MEDIUM_SCAN: + what = (char *)"MEDIUM_SCAN"; + break; + case COMPARE: + what = (char *)"COMPARE"; + break; + case COPY_VERIFY: + what = (char *)"COPY_VERIFY"; + break; + case WRITE_BUFFER: + what = (char *)"WRITE_BUFFER"; + break; + case READ_BUFFER: + what = (char *)"READ_BUFFER"; + break; + case UPDATE_BLOCK: + what = (char *)"UPDATE_BLOCK"; + break; + case READ_LONG: + what = (char *)"READ_LONG"; + break; + case WRITE_LONG: + what = (char *)"WRITE_LONG"; + break; + case CHANGE_DEFINITION: + what = (char *)"CHANGE_DEFINITION"; + break; + case WRITE_SAME: + what = (char *)"WRITE_SAME"; + break; + case GPCMD_READ_SUBCHANNEL: + what = (char *)"READ SUBCHANNEL"; + break; + case READ_TOC: + what = (char *)"READ_TOC"; + break; + case GPCMD_READ_HEADER: + what = (char *)"READ HEADER"; + break; + case GPCMD_PLAY_AUDIO_10: + what = (char *)"PLAY AUDIO (10)"; + break; + case GPCMD_PLAY_AUDIO_MSF: + what = (char *)"PLAY AUDIO MSF"; + break; + case GPCMD_GET_EVENT_STATUS_NOTIFICATION: + what = (char *)"GET EVENT/STATUS NOTIFICATION"; + break; + case GPCMD_PAUSE_RESUME: + what = (char *)"PAUSE/RESUME"; + break; + case LOG_SELECT: + what = (char *)"LOG_SELECT"; + break; + case LOG_SENSE: + what = (char *)"LOG_SENSE"; + break; + case GPCMD_STOP_PLAY_SCAN: + what = (char *)"STOP PLAY/SCAN"; + break; + case GPCMD_READ_DISC_INFO: + what = (char *)"READ DISC INFORMATION"; + break; + case GPCMD_READ_TRACK_RZONE_INFO: + what = (char *)"READ TRACK INFORMATION"; + break; + case GPCMD_RESERVE_RZONE_TRACK: + what = (char *)"RESERVE TRACK"; + break; + case GPCMD_SEND_OPC: + what = (char *)"SEND OPC"; + break; + case MODE_SELECT_10: + what = (char *)"MODE_SELECT_10"; + break; + case GPCMD_REPAIR_RZONE_TRACK: + what = (char *)"REPAIR TRACK"; + break; + case 0x59: + what = (char *)"READ MASTER CUE"; + break; + case MODE_SENSE_10: + what = (char *)"MODE_SENSE_10"; + break; + case GPCMD_CLOSE_TRACK: + what = (char *)"CLOSE TRACK/SESSION"; + break; + case 0x5C: + what = (char *)"READ BUFFER CAPACITY"; + break; + case 0x5D: + what = (char *)"SEND CUE SHEET"; + break; + case GPCMD_BLANK: + what = (char *)"BLANK"; + break; + case REPORT_LUNS: + what = (char *)"REPORT LUNS"; + break; + case MOVE_MEDIUM: + what = (char *)"MOVE_MEDIUM or PLAY AUDIO (12)"; + break; + case READ_12: + what = (char *)"READ_12"; + break; + case WRITE_12: + what = (char *)"WRITE_12"; + break; + case WRITE_VERIFY_12: + what = (char *)"WRITE_VERIFY_12"; + break; + case SEARCH_HIGH_12: + what = (char *)"SEARCH_HIGH_12"; + break; + case SEARCH_EQUAL_12: + what = (char *)"SEARCH_EQUAL_12"; + break; + case SEARCH_LOW_12: + what = (char *)"SEARCH_LOW_12"; + break; + case SEND_VOLUME_TAG: + what = (char *)"SEND_VOLUME_TAG"; + break; + case READ_ELEMENT_STATUS: + what = (char *)"READ_ELEMENT_STATUS"; + break; + case GPCMD_READ_CD_MSF: + what = (char *)"READ CD MSF"; + break; + case GPCMD_SCAN: + what = (char *)"SCAN"; + break; + case GPCMD_SET_SPEED: + what = (char *)"SET CD SPEED"; + break; + case GPCMD_MECHANISM_STATUS: + what = (char *)"MECHANISM STATUS"; + break; + case GPCMD_READ_CD: + what = (char *)"READ CD"; + break; + case 0xE1: + what = (char *)"WRITE CONTINUE"; + break; + case WRITE_LONG_2: + what = (char *)"WRITE_LONG_2"; + break; + case VENDOR_CMND: + what = (char *)"Realtek's vendor command"; + break; + default: + what = (char *)"(unknown command)"; + unknown_cmd = 1; + break; + } + + if (srb->cmnd[0] != TEST_UNIT_READY) + RTS51X_DEBUGP("Command %s (%d bytes)\n", what, srb->cmd_len); + if (unknown_cmd) { + RTS51X_DEBUGP(""); + for (i = 0; i < srb->cmd_len && i < 16; i++) + RTS51X_DEBUGPN(" %02x", srb->cmnd[i]); + RTS51X_DEBUGPN("\n"); + } +} + +void set_sense_type(struct rts51x_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 rts51x_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 rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + + rts51x_init_cards(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + return TRANSPORT_FAILED; + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, 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', + '-', 'M', 'G', /* Byte[47:49] */ + 0x0B, /* Byte[50]: MG, MS, MSPro, MSXC */ + 0x00, /* Byte[51]: Category Specific Commands */ + 0x00, /* Byte[52]: Access Control and feature */ + 0x20, 0x20, 0x20, /* Byte[53:55] */ +}; + +static int inquiry(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + char *inquiry_default = (char *)"Generic-xD/SD/M.S. 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, + }; + + inquiry_string = inquiry_default; + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + if (MS_FORMATTER_ENABLED(chip) && (get_lun2card(chip, lun) & MS_CARD)) { + 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; /* Additional Length */ + } 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); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + return TRANSPORT_GOOD; +} + +static int start_stop_unit(struct scsi_cmnd *srb, struct rts51x_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: + /* Media disabled */ + return TRANSPORT_GOOD; + + case UNLOAD_MEDIUM: + /* Media shall be unload */ + 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 rts51x_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 void ms_mode_sense(struct rts51x_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; /* Mode Data Length */ + } else { + sys_info_offset = 12; + if (data_size > 0x6C) + data_size = 0x6C; + buf[i++] = 0x00; /* Mode Data Length (MSB) */ + buf[i++] = 0x6A; /* Mode Data Length (LSB) */ + } + + /* Medium Type Code */ + 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; + } + + /* WP */ + if (check_card_wp(chip, lun)) + buf[i++] = 0x80; + else + buf[i++] = 0x00; + } else { + buf[i++] = 0x00; /* MediaType */ + buf[i++] = 0x00; /* WP */ + } + + buf[i++] = 0x00; /* Reserved */ + + if (cmd == MODE_SENSE_10) { + buf[i++] = 0x00; /* Reserved */ + buf[i++] = 0x00; /* Block descriptor length(MSB) */ + buf[i++] = 0x00; /* Block descriptor length(LSB) */ + + /* The Following Data is the content of "Page 0x20" */ + if (data_size >= 9) + buf[i++] = 0x20; /* Page Code */ + if (data_size >= 10) + buf[i++] = 0x62; /* Page Length */ + if (data_size >= 11) + buf[i++] = 0x00; /* No Access Control */ + if (data_size >= 12) { + if (support_format) + buf[i++] = 0xC0; /* SF, SGM */ + else + buf[i++] = 0x00; + } + } else { + /* The Following Data is the content of "Page 0x20" */ + if (data_size >= 5) + buf[i++] = 0x20; /* Page Code */ + if (data_size >= 6) + buf[i++] = 0x62; /* Page Length */ + if (data_size >= 7) + buf[i++] = 0x00; /* No Access Control */ + if (data_size >= 8) { + if (support_format) + buf[i++] = 0xC0; /* SF, SGM */ + else + buf[i++] = 0x00; + } + } + + if (data_size > sys_info_offset) { + /* 96 Bytes Attribute Data */ + 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 rts51x_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); + + 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); + } + + pro_formatter_flag = 0; + dataSize = 8; + /* In Combo mode, device responses ModeSense command as a MS LUN + * when no card is inserted */ + if ((get_lun2card(chip, lun) & MS_CARD)) { + if (!card || (card == MS_CARD)) { + dataSize = 108; + if (chip->option.mspro_formatter_enable) + pro_formatter_flag = 1; + } + } + + 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[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); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + } + kfree(buf); + + return status; +} + +static int request_sense(struct scsi_cmnd *srb, struct rts51x_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) + && PRO_UNDER_FORMATTING(ms_card)) { + mspro_format_sense(chip, lun); + } + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + tmp = (unsigned char *)sense; + memcpy(buf, tmp, scsi_bufflen(srb)); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + scsi_set_resid(srb, 0); + /* Reset Sense Data */ + set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); + return TRANSPORT_GOOD; +} + +static int read_write(struct scsi_cmnd *srb, struct rts51x_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; + + if (!check_card_ready(chip, lun) || (chip->capacity[lun] == 0)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, lun); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); + return TRANSPORT_FAILED; + } + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_erase_status) { + /* Accessing to any card is forbidden + * until the erase procedure of SD is completed */ + RTS51X_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) { + RTS51X_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 > chip->capacity[lun]) || + ((start_sec + sec_cnt) > chip->capacity[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 ((srb->sc_data_direction == DMA_TO_DEVICE) + && check_card_wp(chip, lun)) { + RTS51X_DEBUGP("Write protected card!\n"); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + retval = card_rw(srb, chip, start_sec, sec_cnt); + if (retval != STATUS_SUCCESS) { +#if 0 + if (chip->need_release & chip->lun2card[lun]) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + } else { +#endif + 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); + } +#if 0 + } +#endif + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + + return TRANSPORT_GOOD; +} + +static int read_format_capacity(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned char *buf; + unsigned int lun = SCSI_LUN(srb); + unsigned int buf_len; + u8 card = get_lun_card(chip, lun); + int desc_cnt; + int i = 0; + + if (!check_card_ready(chip, lun)) { + if (!chip->option.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; + + /* Capacity List Length */ + if ((buf_len > 12) && chip->option.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)) { + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 24); + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 16); + buf[i++] = (unsigned char)((chip->capacity[lun]) >> 8); + buf[i++] = (unsigned char)(chip->capacity[lun]); + + if (desc_cnt == 2) + /* Byte[8]: Descriptor Type: Formatted medium */ + buf[i++] = 2; + else + buf[i++] = 0; /* Byte[16] */ + } else { + buf[i++] = 0xFF; + buf[i++] = 0xFF; + buf[i++] = 0xFF; + buf[i++] = 0xFF; + + if (desc_cnt == 2) + /* Byte[8]: Descriptor Type: No medium */ + buf[i++] = 3; + else + buf[i++] = 0; /*Byte[16] */ + } + + buf[i++] = 0x00; + buf[i++] = 0x02; + buf[i++] = 0x00; + + desc_cnt--; + } + + buf_len = min(scsi_bufflen(srb), buf_len); + rts51x_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 rts51x_chip *chip) +{ + unsigned char *buf; + unsigned int lun = SCSI_LUN(srb); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!check_lun_mc(chip, lun)) { + set_lun_mc(chip, 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); + + buf[0] = (unsigned char)((chip->capacity[lun] - 1) >> 24); + buf[1] = (unsigned char)((chip->capacity[lun] - 1) >> 16); + buf[2] = (unsigned char)((chip->capacity[lun] - 1) >> 8); + buf[3] = (unsigned char)(chip->capacity[lun] - 1); + + buf[4] = 0x00; + buf[5] = 0x00; + buf[6] = 0x02; + buf[7] = 0x00; + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + kfree(buf); + + scsi_set_resid(srb, 0); + + return TRANSPORT_GOOD; +} + +static int get_dev_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned int buf_len; + u8 status[32] = { 0 }; + + rts51x_pp_status(chip, lun, status, 32); + + buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(status)); + rts51x_set_xfer_buf(status, buf_len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); + + return TRANSPORT_GOOD; +} + +static int read_status(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + u8 rts51x_status[16]; + unsigned int buf_len; + unsigned int lun = SCSI_LUN(srb); + + rts51x_read_status(chip, lun, rts51x_status, 16); + + buf_len = min(scsi_bufflen(srb), (unsigned int)sizeof(rts51x_status)); + rts51x_set_xfer_buf(rts51x_status, buf_len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - buf_len); + + return TRANSPORT_GOOD; +} + +static int read_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned short addr, len, i; + int retval; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; + len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; + + if (addr < 0xe000) { + RTS51X_DEBUGP("filter!addr=0x%x\n", addr); + return TRANSPORT_GOOD; + } + + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + for (i = 0; i < len; i++) { + retval = rts51x_ep0_read_register(chip, addr + i, buf + i); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + vfree(buf); + + return TRANSPORT_GOOD; +} + +static int write_mem(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + unsigned short addr, len, i; + int retval; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = ((u16) srb->cmnd[2] << 8) | srb->cmnd[3]; + len = ((u16) srb->cmnd[4] << 8) | srb->cmnd[5]; + + if (addr < 0xe000) { + RTS51X_DEBUGP("filter!addr=0x%x\n", addr); + return TRANSPORT_GOOD; + } + + len = (unsigned short)min(scsi_bufflen(srb), (unsigned int)len); + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_get_xfer_buf(buf, len, srb); + + for (i = 0; i < len; i++) { + retval = + rts51x_ep0_write_register(chip, addr + i, 0xFF, buf[i]); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + vfree(buf); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + return TRANSPORT_GOOD; +} + +static int get_sd_csd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct sd_info *sd_card = &(chip->sd_card); + unsigned int lun = SCSI_LUN(srb); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (get_lun_card(chip, lun) != SD_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + rts51x_set_xfer_buf(sd_card->raw_csd, scsi_bufflen(srb), srb); + + return TRANSPORT_GOOD; +} + +static int read_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval; + u8 addr, len, i; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = srb->cmnd[5]; + len = srb->cmnd[7]; + + if (len) { + buf = vmalloc(len); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + for (i = 0; i < len; i++) { + retval = + rts51x_read_phy_register(chip, addr + 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 = min(scsi_bufflen(srb), (unsigned int)len); + rts51x_set_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + vfree(buf); + } + + return TRANSPORT_GOOD; +} + +static int write_phy_register(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval; + u8 addr, len, i; + u8 *buf; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + addr = srb->cmnd[5]; + len = srb->cmnd[7]; + + if (len) { + len = min(scsi_bufflen(srb), (unsigned int)len); + + buf = vmalloc(len); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_get_xfer_buf(buf, len, srb); + scsi_set_resid(srb, scsi_bufflen(srb) - len); + + for (i = 0; i < len; i++) { + retval = + rts51x_write_phy_register(chip, addr + i, buf[i]); + if (retval != STATUS_SUCCESS) { + vfree(buf); + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + vfree(buf); + } + + return TRANSPORT_GOOD; +} + +static int get_card_bus_width(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + u8 card, bus_width; + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + card = get_lun_card(chip, lun); + if ((card == SD_CARD) || (card == MS_CARD)) { + bus_width = chip->card_bus_width[lun]; + } else { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + rts51x_set_xfer_buf(&bus_width, scsi_bufflen(srb), srb); + + return TRANSPORT_GOOD; +} + +#ifdef _MSG_TRACE +static int trace_msg_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned char *buf = NULL; + u8 clear; + unsigned int buf_len; + + buf_len = + 4 + + ((2 + MSG_FUNC_LEN + MSG_FILE_LEN + TIME_VAL_LEN) * TRACE_ITEM_CNT); + + if ((scsi_bufflen(srb) < buf_len) || (scsi_sglist(srb) == NULL)) { + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + clear = srb->cmnd[2]; + + buf = vmalloc(scsi_bufflen(srb)); + if (buf == NULL) + TRACE_RET(chip, TRANSPORT_ERROR); + + rts51x_trace_msg(chip, buf, clear); + + rts51x_set_xfer_buf(buf, scsi_bufflen(srb), srb); + vfree(buf); + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} +#endif + +static int rw_mem_cmd_buf(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval = STATUS_SUCCESS; + unsigned int lun = SCSI_LUN(srb); + u8 cmd_type, mask, value, idx, mode, len; + u16 addr; + u32 timeout; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + switch (srb->cmnd[3]) { + case INIT_BATCHCMD: + rts51x_init_cmd(chip); + break; + + case ADD_BATCHCMD: + cmd_type = srb->cmnd[4]; + if (cmd_type > 2) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + addr = (srb->cmnd[5] << 8) | srb->cmnd[6]; + mask = srb->cmnd[7]; + value = srb->cmnd[8]; + rts51x_add_cmd(chip, cmd_type, addr, mask, value); + break; + + case SEND_BATCHCMD: + mode = srb->cmnd[4]; + len = srb->cmnd[5]; + timeout = + ((u32) srb->cmnd[6] << 24) | ((u32) srb-> + cmnd[7] << 16) | ((u32) srb-> + cmnd[8] << + 8) | ((u32) + srb-> + cmnd + [9]); + retval = rts51x_send_cmd(chip, mode, 1000); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if (mode & STAGE_R) { + retval = rts51x_get_rsp(chip, len, timeout); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + break; + + case GET_BATCHRSP: + idx = srb->cmnd[4]; + value = chip->rsp_buf[idx]; + if (scsi_bufflen(srb) < 1) { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + rts51x_set_xfer_buf(&value, 1, srb); + scsi_set_resid(srb, 0); + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return TRANSPORT_GOOD; +} + +static int suit_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result; + + switch (srb->cmnd[3]) { + case INIT_BATCHCMD: + case ADD_BATCHCMD: + case SEND_BATCHCMD: + case GET_BATCHRSP: + result = rw_mem_cmd_buf(srb, chip); + break; + default: + result = TRANSPORT_ERROR; + } + + return result; +} + +static int app_cmd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result; + + switch (srb->cmnd[2]) { + case PP_READ10: + case PP_WRITE10: + result = read_write(srb, chip); + break; + + case SUIT_CMD: + result = suit_cmd(srb, chip); + break; + + case READ_PHY: + result = read_phy_register(srb, chip); + break; + + case WRITE_PHY: + result = write_phy_register(srb, chip); + break; + + case GET_DEV_STATUS: + result = get_dev_status(srb, chip); + break; + + default: + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} + +static int vendor_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int result = TRANSPORT_GOOD; + + switch (srb->cmnd[1]) { + case READ_STATUS: + result = read_status(srb, chip); + break; + + case READ_MEM: + result = read_mem(srb, chip); + break; + + case WRITE_MEM: + result = write_mem(srb, chip); + break; + + case GET_BUS_WIDTH: + result = get_card_bus_width(srb, chip); + break; + + case GET_SD_CSD: + result = get_sd_csd(srb, chip); + break; + +#ifdef _MSG_TRACE + case TRACE_MSG: + result = trace_msg_cmd(srb, chip); + break; +#endif + + case SCSI_APP_CMD: + result = app_cmd(srb, chip); + break; + + default: + set_sense_type(chip, SCSI_LUN(srb), + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} + +static int ms_format_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval, quick_format; + + if (get_lun_card(chip, lun) != MS_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((srb->cmnd[3] != 0x4D) || (srb->cmnd[4] != 0x47) + || (srb->cmnd[5] != 0x66) || (srb->cmnd[6] != 0x6D) + || (srb->cmnd[7] != 0x74)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[8] & 0x01) + quick_format = 0; + else + quick_format = 1; + + if (!(chip->card_ready & MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (chip->card_wp & MS_CARD) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + retval = mspro_format(srb, chip, MS_SHORT_DATA_LEN, quick_format); + if (retval != STATUS_SUCCESS) { + set_sense_type(chip, lun, SENSE_TYPE_FORMAT_CMD_FAILED); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} + +#ifdef SUPPORT_PCGL_1P18 +int get_ms_information(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + u8 dev_info_id, data_len; + u8 *buf; + unsigned int buf_len; + int i; + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if ((srb->cmnd[2] != 0xB0) || (srb->cmnd[4] != 0x4D) || + (srb->cmnd[5] != 0x53) || (srb->cmnd[6] != 0x49) || + (srb->cmnd[7] != 0x44)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + dev_info_id = srb->cmnd[3]; + if ((CHK_MSXC(ms_card) && (dev_info_id == 0x10)) || + (!CHK_MSXC(ms_card) && (dev_info_id == 0x13)) || + !CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (dev_info_id == 0x15) + buf_len = data_len = 0x3A; + else + buf_len = data_len = 0x6A; + + buf = kmalloc(buf_len, GFP_KERNEL); + if (!buf) + TRACE_RET(chip, TRANSPORT_ERROR); + + i = 0; + /* GET Memory Stick Media Information Response Header */ + buf[i++] = 0x00; /* Data length MSB */ + buf[i++] = data_len; /* Data length LSB */ + /* Device Information Type Code */ + if (CHK_MSXC(ms_card)) + buf[i++] = 0x03; + else + buf[i++] = 0x02; + /* SGM bit */ + buf[i++] = 0x01; + /* Reserved */ + buf[i++] = 0x00; + buf[i++] = 0x00; + buf[i++] = 0x00; + /* Number of Device Information */ + buf[i++] = 0x01; + + /* Device Information Body + * Device Information ID Number */ + buf[i++] = dev_info_id; + /* Device Information Length */ + if (dev_info_id == 0x15) + data_len = 0x31; + else + data_len = 0x61; + buf[i++] = 0x00; /* Data length MSB */ + buf[i++] = data_len; /* Data length LSB */ + /* Valid Bit */ + buf[i++] = 0x80; + if ((dev_info_id == 0x10) || (dev_info_id == 0x13)) { + /* System Information */ + memcpy(buf + i, ms_card->raw_sys_info, 96); + } else { + /* Model Name */ + memcpy(buf + i, ms_card->raw_model_name, 48); + } + + rts51x_set_xfer_buf(buf, buf_len, srb); + + if (dev_info_id == 0x15) + scsi_set_resid(srb, scsi_bufflen(srb) - 0x3C); + else + scsi_set_resid(srb, scsi_bufflen(srb) - 0x6C); + + kfree(buf); + return STATUS_SUCCESS; +} +#endif + +static int ms_sp_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + int retval = TRANSPORT_ERROR; + + if (srb->cmnd[2] == MS_FORMAT) + retval = ms_format_cmnd(srb, chip); +#ifdef SUPPORT_PCGL_1P18 + else if (srb->cmnd[2] == GET_MS_INFORMATION) + retval = get_ms_information(srb, chip); +#endif + + return retval; +} + +#ifdef SUPPORT_CPRM +static int sd_extention_cmnd(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + unsigned int lun = SCSI_LUN(srb); + int result; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + sd_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != SD_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + switch (srb->cmnd[0]) { + case SD_PASS_THRU_MODE: + result = sd_pass_thru_mode(srb, chip); + break; + + case SD_EXECUTE_NO_DATA: + result = sd_execute_no_data(srb, chip); + break; + + case SD_EXECUTE_READ: + result = sd_execute_read_data(srb, chip); + break; + + case SD_EXECUTE_WRITE: + result = sd_execute_write_data(srb, chip); + break; + + case SD_GET_RSP: + result = sd_get_cmd_rsp(srb, chip); + break; + + case SD_HW_RST: + result = sd_hw_rst(srb, chip); + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + return result; +} +#endif + +#ifdef SUPPORT_MAGIC_GATE +int mg_report_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + u8 key_format; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + ms_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[7] != KC_MG_R_PRO) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + key_format = srb->cmnd[10] & 0x3F; + + switch (key_format) { + case KF_GET_LOC_EKB: + if ((scsi_bufflen(srb) == 0x41C) && + (srb->cmnd[8] == 0x04) && (srb->cmnd[9] == 0x1C)) { + retval = mg_get_local_EKB(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_RSP_CHG: + if ((scsi_bufflen(srb) == 0x24) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x24)) { + retval = mg_get_rsp_chg(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_GET_ICV: + ms_card->mg_entry_num = srb->cmnd[5]; + if ((scsi_bufflen(srb) == 0x404) && + (srb->cmnd[8] == 0x04) && + (srb->cmnd[9] == 0x04) && + (srb->cmnd[2] == 0x00) && + (srb->cmnd[3] == 0x00) && + (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { + retval = mg_get_ICV(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} + +int mg_send_key(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int retval; + u8 key_format; + + rts51x_prepare_run(chip); + RTS51X_SET_STAT(chip, STAT_RUN); + + ms_cleanup_work(chip); + + if (!check_card_ready(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if (check_card_wp(chip, lun)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_PROTECT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + if ((get_lun_card(chip, lun) != MS_CARD)) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_LUN_NOT_SUPPORT); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (srb->cmnd[7] != KC_MG_R_PRO) { + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + if (!CHK_MSPRO(ms_card)) { + set_sense_type(chip, lun, SENSE_TYPE_MG_INCOMPATIBLE_MEDIUM); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + key_format = srb->cmnd[10] & 0x3F; + + switch (key_format) { + case KF_SET_LEAF_ID: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_set_leaf_id(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_CHG_HOST: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_chg(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_RSP_HOST: + if ((scsi_bufflen(srb) == 0x0C) && + (srb->cmnd[8] == 0x00) && (srb->cmnd[9] == 0x0C)) { + retval = mg_rsp(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + case KF_SET_ICV: + ms_card->mg_entry_num = srb->cmnd[5]; + if ((scsi_bufflen(srb) == 0x404) && + (srb->cmnd[8] == 0x04) && + (srb->cmnd[9] == 0x04) && + (srb->cmnd[2] == 0x00) && + (srb->cmnd[3] == 0x00) && + (srb->cmnd[4] == 0x00) && (srb->cmnd[5] < 32)) { + retval = mg_set_ICV(srb, chip); + if (retval != STATUS_SUCCESS) + TRACE_RET(chip, TRANSPORT_FAILED); + } else { + set_sense_type(chip, lun, + SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + TRACE_RET(chip, TRANSPORT_FAILED); + } + + scsi_set_resid(srb, 0); + return TRANSPORT_GOOD; +} +#endif + +int rts51x_scsi_handler(struct scsi_cmnd *srb, struct rts51x_chip *chip) +{ +#ifdef SUPPORT_SD_LOCK + struct sd_info *sd_card = &(chip->sd_card); +#endif + struct ms_info *ms_card = &(chip->ms_card); + unsigned int lun = SCSI_LUN(srb); + int result = TRANSPORT_GOOD; + +#ifdef SUPPORT_SD_LOCK + if (sd_card->sd_erase_status) { + /* Block all SCSI command except for REQUEST_SENSE + * and rs_ppstatus */ + if (! + ((srb->cmnd[0] == VENDOR_CMND) + && (srb->cmnd[1] == SCSI_APP_CMD) + && (srb->cmnd[2] == GET_DEV_STATUS)) + && (srb->cmnd[0] != REQUEST_SENSE)) { + /* Logical Unit Not Ready Format in Progress */ + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, + 0, 0); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } +#endif + + if ((get_lun_card(chip, lun) == MS_CARD) && + (ms_card->format_status == FORMAT_IN_PROGRESS)) { + if ((srb->cmnd[0] != REQUEST_SENSE) + && (srb->cmnd[0] != INQUIRY)) { + /* Logical Unit Not Ready Format in Progress */ + set_sense_data(chip, lun, CUR_ERR, 0x02, 0, 0x04, 0x04, + 0, (u16) (ms_card->progress)); + TRACE_RET(chip, TRANSPORT_FAILED); + } + } + + switch (srb->cmnd[0]) { + case READ_10: + case WRITE_10: + case READ_6: + case WRITE_6: + result = read_write(srb, chip); + break; + + case TEST_UNIT_READY: + result = test_unit_ready(srb, chip); + break; + + case INQUIRY: + result = inquiry(srb, chip); + break; + + case READ_CAPACITY: + result = read_capacity(srb, chip); + break; + + case START_STOP: + result = start_stop_unit(srb, chip); + break; + + case ALLOW_MEDIUM_REMOVAL: + result = allow_medium_removal(srb, chip); + break; + + case REQUEST_SENSE: + result = request_sense(srb, chip); + break; + + case MODE_SENSE: + case MODE_SENSE_10: + result = mode_sense(srb, chip); + break; + + case 0x23: + result = read_format_capacity(srb, chip); + break; + + case VENDOR_CMND: + result = vendor_cmnd(srb, chip); + break; + + case MS_SP_CMND: + result = ms_sp_cmnd(srb, chip); + break; + +#ifdef SUPPORT_CPRM + case SD_PASS_THRU_MODE: + case SD_EXECUTE_NO_DATA: + case SD_EXECUTE_READ: + case SD_EXECUTE_WRITE: + case SD_GET_RSP: + case SD_HW_RST: + result = sd_extention_cmnd(srb, chip); + break; +#endif + +#ifdef SUPPORT_MAGIC_GATE + case CMD_MSPRO_MG_RKEY: + result = mg_report_key(srb, chip); + break; + + case CMD_MSPRO_MG_SKEY: + result = mg_send_key(srb, chip); + break; +#endif + + case FORMAT_UNIT: + case MODE_SELECT: + case VERIFY: + result = TRANSPORT_GOOD; + break; + + default: + set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); + result = TRANSPORT_FAILED; + } + + return result; +} + +/*********************************************************************** + * Host functions + ***********************************************************************/ + +const char *host_info(struct Scsi_Host *host) +{ + return "SCSI emulation for RTS51xx USB driver-based card reader"; +} + +int slave_alloc(struct scsi_device *sdev) +{ + /* + * Set the INQUIRY transfer length to 36. We don't use any of + * the extra data and many devices choke if asked for more or + * less than 36 bytes. + */ + sdev->inquiry_len = 36; + return 0; +} + +int slave_configure(struct scsi_device *sdev) +{ + /* Scatter-gather buffers (all but the last) must have a length + * divisible by the bulk maxpacket size. Otherwise a data packet + * would end up being short, causing a premature end to the data + * transfer. Since high-speed bulk pipes have a maxpacket size + * of 512, we'll use that as the scsi device queue's DMA alignment + * mask. Guaranteeing proper alignment of the first buffer will + * have the desired effect because, except at the beginning and + * the end, scatter-gather buffers follow page boundaries. */ + blk_queue_dma_alignment(sdev->request_queue, (512 - 1)); + + /* Set the SCSI level to at least 2. We'll leave it at 3 if that's + * what is originally reported. We need this to avoid confusing + * the SCSI layer with devices that report 0 or 1, but need 10-byte + * commands (ala ATAPI devices behind certain bridges, or devices + * which simply have broken INQUIRY data). + * + * NOTE: This means /dev/sg programs (ala cdrecord) will get the + * actual information. This seems to be the preference for + * programs like that. + * + * NOTE: This also means that /proc/scsi/scsi and sysfs may report + * the actual value or the modified one, depending on where the + * data comes from. + */ + if (sdev->scsi_level < SCSI_2) + sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2; + + return 0; +} + +/*********************************************************************** + * /proc/scsi/ functions + ***********************************************************************/ + +/* we use this macro to help us write into the buffer */ +#undef SPRINTF +#define SPRINTF(args...) \ + do { if (pos < buffer+length) pos += sprintf(pos, ## args); } while (0) + +int proc_info(struct Scsi_Host *host, char *buffer, + char **start, off_t offset, int length, int inout) +{ + char *pos = buffer; + + /* if someone is sending us data, just throw it away */ + if (inout) + return length; + + /* print the controller name */ + SPRINTF(" Host scsi%d: %s\n", host->host_no, RTS51X_NAME); + + /* print product, vendor, and driver version strings */ + SPRINTF(" Vendor: Realtek Corp.\n"); + SPRINTF(" Product: RTS51xx USB Card Reader\n"); + SPRINTF(" Version: %s\n", DRIVER_VERSION); + SPRINTF(" Build: %s\n", __TIME__); + + /* + * Calculate start of next buffer, and return value. + */ + *start = buffer + offset; + + if ((pos - buffer) < offset) + return 0; + else if ((pos - buffer - offset) < length) + return pos - buffer - offset; + else + return length; +} + +/* queue a command */ +/* This is always called with scsi_lock(host) held */ +int queuecommand_lck(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)) +{ + struct rts51x_chip *chip = host_to_rts51x(srb->device->host); + + /* check for state-transition errors */ + if (chip->srb != NULL) { + RTS51X_DEBUGP("Error in %s: chip->srb = %p\n", + __func__, chip->srb); + return SCSI_MLQUEUE_HOST_BUSY; + } + + /* fail the command if we are disconnecting */ + if (test_bit(FLIDX_DISCONNECTING, &chip->usb->dflags)) { + RTS51X_DEBUGP("Fail command during disconnect\n"); + srb->result = DID_NO_CONNECT << 16; + done(srb); + return 0; + } + + /* enqueue the command and wake up the control thread */ + srb->scsi_done = done; + chip->srb = srb; + complete(&chip->usb->cmnd_ready); + + return 0; +} + +#if 0 /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 37) */ +int queuecommand(struct scsi_cmnd *srb, void (*done) (struct scsi_cmnd *)) +{ + return queuecommand_lck(srb, done); +} +#else +DEF_SCSI_QCMD(queuecommand) +#endif +/*********************************************************************** + * Error handling functions + ***********************************************************************/ +/* Command timeout and abort */ +int command_abort(struct scsi_cmnd *srb) +{ + struct rts51x_chip *chip = host_to_rts51x(srb->device->host); + + RTS51X_DEBUGP("%s called\n", __func__); + + /* us->srb together with the TIMED_OUT, RESETTING, and ABORTING + * bits are protected by the host lock. */ + scsi_lock(rts51x_to_host(chip)); + + /* Is this command still active? */ + if (chip->srb != srb) { + scsi_unlock(rts51x_to_host(chip)); + RTS51X_DEBUGP("-- nothing to abort\n"); + return FAILED; + } + + /* Set the TIMED_OUT bit. Also set the ABORTING bit, but only if + * a device reset isn't already in progress (to avoid interfering + * with the reset). Note that we must retain the host lock while + * calling usb_stor_stop_transport(); otherwise it might interfere + * with an auto-reset that begins as soon as we release the lock. */ + set_bit(FLIDX_TIMED_OUT, &chip->usb->dflags); + if (!test_bit(FLIDX_RESETTING, &chip->usb->dflags)) { + set_bit(FLIDX_ABORTING, &chip->usb->dflags); + /* rts51x_stop_transport(us); */ + } + scsi_unlock(rts51x_to_host(chip)); + + /* Wait for the aborted command to finish */ + wait_for_completion(&chip->usb->notify); + return SUCCESS; +} + +/* This invokes the transport reset mechanism to reset the state of the + * device */ +int device_reset(struct scsi_cmnd *srb) +{ + int result = 0; + + RTS51X_DEBUGP("%s called\n", __func__); + + return result < 0 ? FAILED : SUCCESS; +} + +/* Simulate a SCSI bus reset by resetting the device's USB port. */ +int bus_reset(struct scsi_cmnd *srb) +{ + int result = 0; + + RTS51X_DEBUGP("%s called\n", __func__); + + return result < 0 ? FAILED : SUCCESS; +} + +static const char *rts5139_info(struct Scsi_Host *host) +{ + return "SCSI emulation for RTS5139 USB card reader"; +} + +struct scsi_host_template rts51x_host_template = { + /* basic userland interface stuff */ + .name = RTS51X_NAME, + .proc_name = RTS51X_NAME, + .proc_info = proc_info, + .info = rts5139_info, + + /* command interface -- queued only */ + .queuecommand = queuecommand, + + /* error and abort handlers */ + .eh_abort_handler = command_abort, + .eh_device_reset_handler = device_reset, + .eh_bus_reset_handler = bus_reset, + + /* queue commands only, only one command per LUN */ + .can_queue = 1, + .cmd_per_lun = 1, + + /* unknown initiator id */ + .this_id = -1, + + .slave_alloc = slave_alloc, + .slave_configure = slave_configure, + + /* lots of sg segments can be handled */ + .sg_tablesize = SG_ALL, + + /* limit the total size of a transfer to 120 KB */ + .max_sectors = 240, + + /* merge commands... this seems to help performance, but + * periodically someone should test to see which setting is more + * optimal. + */ + .use_clustering = 1, + + /* emulated HBA */ + .emulated = 1, + + /* we do our own delay after a device or bus reset */ + .skip_settle_delay = 1, + + /* sysfs device attributes */ + /* .sdev_attrs = sysfs_device_attr_list, */ + + /* module management */ + .module = THIS_MODULE +}; + |