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#include <linux/sched.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_device.h>
#include "usb.h"
#include "scsiglue.h"
#include "transport.h"
#include "smil.h"
static int SM_SCSI_Test_Unit_Ready(struct us_data *us, struct scsi_cmnd *srb);
static int SM_SCSI_Inquiry(struct us_data *us, struct scsi_cmnd *srb);
static int SM_SCSI_Mode_Sense(struct us_data *us, struct scsi_cmnd *srb);
static int SM_SCSI_Read_Capacity(struct us_data *us, struct scsi_cmnd *srb);
static int SM_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb);
static int SM_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb);
/* ----- SM_SCSIIrp() -------------------------------------------------- */
int SM_SCSIIrp(struct us_data *us, struct scsi_cmnd *srb)
{
int result;
us->SrbStatus = SS_SUCCESS;
switch (srb->cmnd[0]) {
case TEST_UNIT_READY:
result = SM_SCSI_Test_Unit_Ready(us, srb);
break; /* 0x00 */
case INQUIRY:
result = SM_SCSI_Inquiry(us, srb);
break; /* 0x12 */
case MODE_SENSE:
result = SM_SCSI_Mode_Sense(us, srb);
break; /* 0x1A */
case READ_CAPACITY:
result = SM_SCSI_Read_Capacity(us, srb);
break; /* 0x25 */
case READ_10:
result = SM_SCSI_Read(us, srb);
break; /* 0x28 */
case WRITE_10:
result = SM_SCSI_Write(us, srb);
break; /* 0x2A */
default:
us->SrbStatus = SS_ILLEGAL_REQUEST;
result = USB_STOR_TRANSPORT_FAILED;
break;
}
return result;
}
/* ----- SM_SCSI_Test_Unit_Ready() ------------------------------------- */
static int SM_SCSI_Test_Unit_Ready(struct us_data *us, struct scsi_cmnd *srb)
{
if (us->SM_Status.Insert && us->SM_Status.Ready)
return USB_STOR_TRANSPORT_GOOD;
else {
ENE_SMInit(us);
return USB_STOR_TRANSPORT_GOOD;
}
return USB_STOR_TRANSPORT_GOOD;
}
/* ----- SM_SCSI_Inquiry() --------------------------------------------- */
static int SM_SCSI_Inquiry(struct us_data *us, struct scsi_cmnd *srb)
{
u8 data_ptr[36] = {0x00, 0x80, 0x02, 0x00, 0x1F, 0x00, 0x00, 0x00,
0x55, 0x53, 0x42, 0x32, 0x2E, 0x30, 0x20,
0x20, 0x43, 0x61, 0x72, 0x64, 0x52, 0x65,
0x61, 0x64, 0x65, 0x72, 0x20, 0x20, 0x20,
0x20, 0x20, 0x20, 0x30, 0x31, 0x30, 0x30};
usb_stor_set_xfer_buf(us, data_ptr, 36, srb, TO_XFER_BUF);
return USB_STOR_TRANSPORT_GOOD;
}
/* ----- SM_SCSI_Mode_Sense() ------------------------------------------ */
static int SM_SCSI_Mode_Sense(struct us_data *us, struct scsi_cmnd *srb)
{
u8 mediaNoWP[12] = {0x0b, 0x00, 0x00, 0x08, 0x00, 0x00,
0x71, 0xc0, 0x00, 0x00, 0x02, 0x00};
u8 mediaWP[12] = {0x0b, 0x00, 0x80, 0x08, 0x00, 0x00,
0x71, 0xc0, 0x00, 0x00, 0x02, 0x00};
if (us->SM_Status.WtP)
usb_stor_set_xfer_buf(us, mediaWP, 12, srb, TO_XFER_BUF);
else
usb_stor_set_xfer_buf(us, mediaNoWP, 12, srb, TO_XFER_BUF);
return USB_STOR_TRANSPORT_GOOD;
}
/* ----- SM_SCSI_Read_Capacity() --------------------------------------- */
static int SM_SCSI_Read_Capacity(struct us_data *us, struct scsi_cmnd *srb)
{
unsigned int offset = 0;
struct scatterlist *sg = NULL;
u32 bl_num;
u16 bl_len;
u8 buf[8];
dev_dbg(&us->pusb_dev->dev, "SM_SCSI_Read_Capacity\n");
bl_len = 0x200;
bl_num = Ssfdc.MaxLogBlocks * Ssfdc.MaxSectors * Ssfdc.MaxZones - 1;
us->bl_num = bl_num;
dev_dbg(&us->pusb_dev->dev, "bl_len = %x\n", bl_len);
dev_dbg(&us->pusb_dev->dev, "bl_num = %x\n", bl_num);
buf[0] = (bl_num >> 24) & 0xff;
buf[1] = (bl_num >> 16) & 0xff;
buf[2] = (bl_num >> 8) & 0xff;
buf[3] = (bl_num >> 0) & 0xff;
buf[4] = (bl_len >> 24) & 0xff;
buf[5] = (bl_len >> 16) & 0xff;
buf[6] = (bl_len >> 8) & 0xff;
buf[7] = (bl_len >> 0) & 0xff;
usb_stor_access_xfer_buf(us, buf, 8, srb, &sg, &offset, TO_XFER_BUF);
return USB_STOR_TRANSPORT_GOOD;
}
/* ----- SM_SCSI_Read() -------------------------------------------------- */
static int SM_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb)
{
int result = 0;
u8 *Cdb = srb->cmnd;
u32 bn = ((Cdb[2] << 24) & 0xff000000) |
((Cdb[3] << 16) & 0x00ff0000) |
((Cdb[4] << 8) & 0x0000ff00) |
((Cdb[5] << 0) & 0x000000ff);
u16 blen = ((Cdb[7] << 8) & 0xff00) | ((Cdb[8] << 0) & 0x00ff);
u32 blenByte = blen * 0x200;
void *buf;
if (bn > us->bl_num)
return USB_STOR_TRANSPORT_ERROR;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
result = Media_D_ReadSector(us, bn, blen, buf);
usb_stor_set_xfer_buf(us, buf, blenByte, srb, TO_XFER_BUF);
kfree(buf);
if (!result)
return USB_STOR_TRANSPORT_GOOD;
else
return USB_STOR_TRANSPORT_ERROR;
return USB_STOR_TRANSPORT_GOOD;
}
/* ----- SM_SCSI_Write() -------------------------------------------------- */
static int SM_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb)
{
int result = 0;
u8 *Cdb = srb->cmnd;
u32 bn = ((Cdb[2] << 24) & 0xff000000) |
((Cdb[3] << 16) & 0x00ff0000) |
((Cdb[4] << 8) & 0x0000ff00) |
((Cdb[5] << 0) & 0x000000ff);
u16 blen = ((Cdb[7] << 8) & 0xff00) | ((Cdb[8] << 0) & 0x00ff);
u32 blenByte = blen * 0x200;
void *buf;
if (bn > us->bl_num)
return USB_STOR_TRANSPORT_ERROR;
buf = kmalloc(blenByte, GFP_KERNEL);
if (buf == NULL)
return USB_STOR_TRANSPORT_ERROR;
usb_stor_set_xfer_buf(us, buf, blenByte, srb, FROM_XFER_BUF);
result = Media_D_CopySector(us, bn, blen, buf);
kfree(buf);
if (!result)
return USB_STOR_TRANSPORT_GOOD;
else
return USB_STOR_TRANSPORT_ERROR;
return USB_STOR_TRANSPORT_GOOD;
}
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