| #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) |
| { |
| 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() ------------------------------------------ */ |
| static 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() --------------------------------------- */ |
| static 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]; |
| |
| 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; |
| 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; |
| |
| |
| 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; |
| 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; |
| |
| |
| 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; |
| } |
| |