[deliverable/linux.git] / drivers / staging / keucr / smscsi.c

#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"

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 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)
{
	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)
{
	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;

	us->bl_num = bl_num;
	printk("bl_len = %x\n", bl_len);
	printk("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() -------------------------------------------------- */
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() -------------------------------------------------- */
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;
}
Commit	Line	Data
126bb03b AC	1	#include <linux/sched.h>
	2	#include <linux/errno.h>
	3	#include <linux/slab.h>
	4
	5	#include <scsi/scsi.h>
	6	#include <scsi/scsi_eh.h>
	7	#include <scsi/scsi_device.h>
	8
	9	#include "usb.h"
	10	#include "scsiglue.h"
	11	#include "transport.h"
126bb03b AC	12	#include "smil.h"
126bb03b AC	13
e1d94ecc RP	14	int SM_SCSI_Test_Unit_Ready(struct us_data us, struct scsi_cmnd srb);
	15	int SM_SCSI_Inquiry(struct us_data us, struct scsi_cmnd srb);
	16	int SM_SCSI_Mode_Sense(struct us_data us, struct scsi_cmnd srb);
	17	int SM_SCSI_Start_Stop(struct us_data us, struct scsi_cmnd srb);
	18	int SM_SCSI_Read_Capacity(struct us_data us, struct scsi_cmnd srb);
	19	int SM_SCSI_Read(struct us_data us, struct scsi_cmnd srb);
	20	int SM_SCSI_Write(struct us_data us, struct scsi_cmnd srb);
126bb03b	21
126bb03b AC	22	extern PBYTE SMHostAddr;
	23	extern DWORD ErrXDCode;
	24
e1d94ecc	25	/* ----- SM_SCSIIrp() -------------------------------------------------- */
126bb03b AC	26	int SM_SCSIIrp(struct us_data us, struct scsi_cmnd srb)
	27	{
	28	int result;
	29
	30	us->SrbStatus = SS_SUCCESS;
e1d94ecc RP	31	switch (srb->cmnd[0]) {
	32	case TEST_UNIT_READY:
	33	result = SM_SCSI_Test_Unit_Ready(us, srb);
	34	break; /* 0x00 */
	35	case INQUIRY:
	36	result = SM_SCSI_Inquiry(us, srb);
	37	break; /* 0x12 */
	38	case MODE_SENSE:
	39	result = SM_SCSI_Mode_Sense(us, srb);
	40	break; /* 0x1A */
	41	case READ_CAPACITY:
	42	result = SM_SCSI_Read_Capacity(us, srb);
	43	break; /* 0x25 */
	44	case READ_10:
	45	result = SM_SCSI_Read(us, srb);
	46	break; /* 0x28 */
	47	case WRITE_10:
	48	result = SM_SCSI_Write(us, srb);
	49	break; /* 0x2A */
	50
	51	default:
126bb03b AC	52	us->SrbStatus = SS_ILLEGAL_REQUEST;
	53	result = USB_STOR_TRANSPORT_FAILED;
	54	break;
	55	}
	56	return result;
	57	}
	58
e1d94ecc	59	/* ----- SM_SCSI_Test_Unit_Ready() -------------------------------------------------- */
126bb03b AC	60	int SM_SCSI_Test_Unit_Ready(struct us_data us, struct scsi_cmnd srb)
126bb03b AC	61	{
126bb03b AC	62	if (us->SM_Status.Insert && us->SM_Status.Ready)
126bb03b AC	63	return USB_STOR_TRANSPORT_GOOD;
e1d94ecc	64	else {
126bb03b AC	65	ENE_SMInit(us);
	66	return USB_STOR_TRANSPORT_GOOD;
	67	}
e1d94ecc	68
126bb03b AC	69	return USB_STOR_TRANSPORT_GOOD;
	70	}
	71
e1d94ecc	72	/* ----- SM_SCSI_Inquiry() -------------------------------------------------- */
126bb03b AC	73	int SM_SCSI_Inquiry(struct us_data us, struct scsi_cmnd srb)
126bb03b AC	74	{
126bb03b AC	75	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};
	76
	77	usb_stor_set_xfer_buf(us, data_ptr, 36, srb, TO_XFER_BUF);
	78	return USB_STOR_TRANSPORT_GOOD;
	79	}
	80
	81
e1d94ecc	82	/* ----- SM_SCSI_Mode_Sense() -------------------------------------------------- */
126bb03b AC	83	int SM_SCSI_Mode_Sense(struct us_data us, struct scsi_cmnd srb)
126bb03b AC	84	{
e1d94ecc RP	85	BYTE mediaNoWP[12] = {0x0b, 0x00, 0x00, 0x08, 0x00, 0x00, 0x71, 0xc0, 0x00, 0x00, 0x02, 0x00};
e1d94ecc RP	86	BYTE mediaWP[12] = {0x0b, 0x00, 0x80, 0x08, 0x00, 0x00, 0x71, 0xc0, 0x00, 0x00, 0x02, 0x00};
126bb03b AC	87
	88	if (us->SM_Status.WtP)
	89	usb_stor_set_xfer_buf(us, mediaWP, 12, srb, TO_XFER_BUF);
	90	else
	91	usb_stor_set_xfer_buf(us, mediaNoWP, 12, srb, TO_XFER_BUF);
	92
	93
	94	return USB_STOR_TRANSPORT_GOOD;
	95	}
	96
e1d94ecc	97	/* ----- SM_SCSI_Read_Capacity() -------------------------------------------------- */
126bb03b AC	98	int SM_SCSI_Read_Capacity(struct us_data us, struct scsi_cmnd srb)
	99	{
	100	unsigned int offset = 0;
	101	struct scatterlist *sg = NULL;
	102	DWORD bl_num;
	103	WORD bl_len;
	104	BYTE buf[8];
	105
	106	printk("SM_SCSI_Read_Capacity\n");
	107
	108	bl_len = 0x200;
	109	bl_num = Ssfdc.MaxLogBlocks * Ssfdc.MaxSectors * Ssfdc.MaxZones - 1;
126bb03b AC	110
	111	us->bl_num = bl_num;
	112	printk("bl_len = %x\n", bl_len);
	113	printk("bl_num = %x\n", bl_num);
	114
e1d94ecc RP	115	buf[0] = (bl_num >> 24) & 0xff;
	116	buf[1] = (bl_num >> 16) & 0xff;
	117	buf[2] = (bl_num >> 8) & 0xff;
	118	buf[3] = (bl_num >> 0) & 0xff;
	119	buf[4] = (bl_len >> 24) & 0xff;
	120	buf[5] = (bl_len >> 16) & 0xff;
	121	buf[6] = (bl_len >> 8) & 0xff;
	122	buf[7] = (bl_len >> 0) & 0xff;
	123
126bb03b	124	usb_stor_access_xfer_buf(us, buf, 8, srb, &sg, &offset, TO_XFER_BUF);
126bb03b AC	125
	126	return USB_STOR_TRANSPORT_GOOD;
	127	}
	128
e1d94ecc	129	/* ----- SM_SCSI_Read() -------------------------------------------------- */
126bb03b AC	130	int SM_SCSI_Read(struct us_data us, struct scsi_cmnd srb)
126bb03b AC	131	{
e1d94ecc	132	int result = 0;
126bb03b	133	PBYTE Cdb = srb->cmnd;
e1d94ecc RP	134	DWORD bn = ((Cdb[2] << 24) & 0xff000000) \| ((Cdb[3] << 16) & 0x00ff0000) \|
	135	((Cdb[4] << 8) & 0x0000ff00) \| ((Cdb[5] << 0) & 0x000000ff);
	136	WORD blen = ((Cdb[7] << 8) & 0xff00) \| ((Cdb[8] << 0) & 0x00ff);
126bb03b AC	137	DWORD blenByte = blen * 0x200;
	138	void *buf;
	139
e1d94ecc	140
126bb03b AC	141	if (bn > us->bl_num)
	142	return USB_STOR_TRANSPORT_ERROR;
	143
	144	buf = kmalloc(blenByte, GFP_KERNEL);
b1f5f54e VK	145	if (buf == NULL)
b1f5f54e VK	146	return USB_STOR_TRANSPORT_ERROR;
126bb03b AC	147	result = Media_D_ReadSector(us, bn, blen, buf);
	148	usb_stor_set_xfer_buf(us, buf, blenByte, srb, TO_XFER_BUF);
	149	kfree(buf);
	150
	151	if (!result)
	152	return USB_STOR_TRANSPORT_GOOD;
	153	else
	154	return USB_STOR_TRANSPORT_ERROR;
	155
	156	return USB_STOR_TRANSPORT_GOOD;
	157	}
	158
e1d94ecc	159	/* ----- SM_SCSI_Write() -------------------------------------------------- */
126bb03b AC	160	int SM_SCSI_Write(struct us_data us, struct scsi_cmnd srb)
126bb03b AC	161	{
e1d94ecc	162	int result = 0;
126bb03b	163	PBYTE Cdb = srb->cmnd;
e1d94ecc RP	164	DWORD bn = ((Cdb[2] << 24) & 0xff000000) \| ((Cdb[3] << 16) & 0x00ff0000) \|
	165	((Cdb[4] << 8) & 0x0000ff00) \| ((Cdb[5] << 0) & 0x000000ff);
	166	WORD blen = ((Cdb[7] << 8) & 0xff00) \| ((Cdb[8] << 0) & 0x00ff);
126bb03b AC	167	DWORD blenByte = blen * 0x200;
	168	void *buf;
	169
126bb03b AC	170
	171	if (bn > us->bl_num)
	172	return USB_STOR_TRANSPORT_ERROR;
	173
	174	buf = kmalloc(blenByte, GFP_KERNEL);
b1f5f54e VK	175	if (buf == NULL)
b1f5f54e VK	176	return USB_STOR_TRANSPORT_ERROR;
126bb03b AC	177	usb_stor_set_xfer_buf(us, buf, blenByte, srb, FROM_XFER_BUF);
	178	result = Media_D_CopySector(us, bn, blen, buf);
	179	kfree(buf);
	180
	181	if (!result)
	182	return USB_STOR_TRANSPORT_GOOD;
	183	else
	184	return USB_STOR_TRANSPORT_ERROR;
	185
	186	return USB_STOR_TRANSPORT_GOOD;
	187	}
	188