diff options
Diffstat (limited to 'drivers/staging/keucr/smscsi.c')
| -rw-r--r-- | drivers/staging/keucr/smscsi.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/drivers/staging/keucr/smscsi.c b/drivers/staging/keucr/smscsi.c new file mode 100644 index 0000000..6211686 --- /dev/null +++ b/drivers/staging/keucr/smscsi.c @@ -0,0 +1,193 @@ +#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 "smcommon.h" +#include "smil.h" + +int SM_SCSI_Test_Unit_Ready (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Inquiry (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Mode_Sense (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Start_Stop (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Read_Capacity (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Read (struct us_data *us, struct scsi_cmnd *srb); +int SM_SCSI_Write (struct us_data *us, struct scsi_cmnd *srb); + +extern struct SSFDCTYPE Ssfdc; +extern struct ADDRESS Media; +extern PBYTE SMHostAddr; +extern DWORD ErrXDCode; + +//----- 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() -------------------------------------------------- +int SM_SCSI_Test_Unit_Ready(struct us_data *us, struct scsi_cmnd *srb) +{ + //printk("SM_SCSI_Test_Unit_Ready\n"); + 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() -------------------------------------------------- +int SM_SCSI_Inquiry(struct us_data *us, struct scsi_cmnd *srb) +{ + //printk("SM_SCSI_Inquiry\n"); + BYTE 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() -------------------------------------------------- +int SM_SCSI_Mode_Sense(struct us_data *us, struct scsi_cmnd *srb) +{ + BYTE mediaNoWP[12] = {0x0b,0x00,0x00,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00}; + BYTE 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() -------------------------------------------------- +int SM_SCSI_Read_Capacity(struct us_data *us, struct scsi_cmnd *srb) +{ + unsigned int offset = 0; + struct scatterlist *sg = NULL; + DWORD bl_num; + WORD bl_len; + BYTE buf[8]; + + printk("SM_SCSI_Read_Capacity\n"); + + bl_len = 0x200; + bl_num = Ssfdc.MaxLogBlocks * Ssfdc.MaxSectors * Ssfdc.MaxZones - 1; + //printk("MaxLogBlocks = %x\n", Ssfdc.MaxLogBlocks); + //printk("MaxSectors = %x\n", Ssfdc.MaxSectors); + //printk("MaxZones = %x\n", Ssfdc.MaxZones); + //printk("bl_num = %x\n", bl_num); + + us->bl_num = bl_num; + printk("bl_len = %x\n", bl_len); + printk("bl_num = %x\n", bl_num); + + //srb->request_bufflen = 8; + 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); + //usb_stor_set_xfer_buf(us, buf, srb->request_bufflen, srb, TO_XFER_BUF); + + return USB_STOR_TRANSPORT_GOOD; +} + +//----- SM_SCSI_Read() -------------------------------------------------- +int SM_SCSI_Read(struct us_data *us, struct scsi_cmnd *srb) +{ + //struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; + int result=0; + PBYTE Cdb = srb->cmnd; + DWORD bn = ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) | + ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff); + WORD blen = ((Cdb[7]<< 8) & 0xff00) | ((Cdb[8]<< 0) & 0x00ff); + DWORD blenByte = blen * 0x200; + void *buf; + + //printk("SCSIOP_READ --- bn = %X, blen = %X, srb->use_sg = %X\n", bn, blen, srb->use_sg); + + 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() -------------------------------------------------- +int SM_SCSI_Write(struct us_data *us, struct scsi_cmnd *srb) +{ + //struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf; + int result=0; + PBYTE Cdb = srb->cmnd; + DWORD bn = ((Cdb[2]<<24) & 0xff000000) | ((Cdb[3]<<16) & 0x00ff0000) | + ((Cdb[4]<< 8) & 0x0000ff00) | ((Cdb[5]<< 0) & 0x000000ff); + WORD blen = ((Cdb[7]<< 8) & 0xff00) | ((Cdb[8]<< 0) & 0x00ff); + DWORD blenByte = blen * 0x200; + void *buf; + + //printk("SCSIOP_Write --- bn = %X, blen = %X, srb->use_sg = %X\n", bn, blen, srb->use_sg); + + 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; +} + |
