[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 "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);
	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);
	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"
	12	//#include "smcommon.h"
	13	#include "smil.h"
	14
	15	int SM_SCSI_Test_Unit_Ready (struct us_data us, struct scsi_cmnd srb);
	16	int SM_SCSI_Inquiry (struct us_data us, struct scsi_cmnd srb);
	17	int SM_SCSI_Mode_Sense (struct us_data us, struct scsi_cmnd srb);
	18	int SM_SCSI_Start_Stop (struct us_data us, struct scsi_cmnd srb);
	19	int SM_SCSI_Read_Capacity (struct us_data us, struct scsi_cmnd srb);
	20	int SM_SCSI_Read (struct us_data us, struct scsi_cmnd srb);
	21	int SM_SCSI_Write (struct us_data us, struct scsi_cmnd srb);
	22
	23	extern struct SSFDCTYPE Ssfdc;
	24	extern struct ADDRESS Media;
	25	extern PBYTE SMHostAddr;
	26	extern DWORD ErrXDCode;
	27
	28	//----- SM_SCSIIrp() --------------------------------------------------
	29	int SM_SCSIIrp(struct us_data us, struct scsi_cmnd srb)
	30	{
	31	int result;
	32
	33	us->SrbStatus = SS_SUCCESS;
	34	switch (srb->cmnd[0])
	35	{
	36	case TEST_UNIT_READY : result = SM_SCSI_Test_Unit_Ready (us, srb); break; //0x00
	37	case INQUIRY : result = SM_SCSI_Inquiry (us, srb); break; //0x12
	38	case MODE_SENSE : result = SM_SCSI_Mode_Sense (us, srb); break; //0x1A
	39	case READ_CAPACITY : result = SM_SCSI_Read_Capacity (us, srb); break; //0x25
	40	case READ_10 : result = SM_SCSI_Read (us, srb); break; //0x28
	41	case WRITE_10 : result = SM_SCSI_Write (us, srb); break; //0x2A
	42
	43	default:
	44	us->SrbStatus = SS_ILLEGAL_REQUEST;
	45	result = USB_STOR_TRANSPORT_FAILED;
	46	break;
	47	}
	48	return result;
	49	}
	50
	51	//----- SM_SCSI_Test_Unit_Ready() --------------------------------------------------
	52	int SM_SCSI_Test_Unit_Ready(struct us_data us, struct scsi_cmnd srb)
	53	{
	54	//printk("SM_SCSI_Test_Unit_Ready\n");
	55	if (us->SM_Status.Insert && us->SM_Status.Ready)
	56	return USB_STOR_TRANSPORT_GOOD;
	57	else
	58	{
	59	ENE_SMInit(us);
	60	return USB_STOR_TRANSPORT_GOOD;
	61	}
	62
	63	return USB_STOR_TRANSPORT_GOOD;
	64	}
65
66	//----- SM_SCSI_Inquiry() --------------------------------------------------
67	int SM_SCSI_Inquiry(struct us_data us, struct scsi_cmnd srb)
68	{
69	//printk("SM_SCSI_Inquiry\n");
70	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};
71
72	usb_stor_set_xfer_buf(us, data_ptr, 36, srb, TO_XFER_BUF);
73	return USB_STOR_TRANSPORT_GOOD;
74	}
75
76
77	//----- SM_SCSI_Mode_Sense() --------------------------------------------------
78	int SM_SCSI_Mode_Sense(struct us_data us, struct scsi_cmnd srb)
79	{
80	BYTE mediaNoWP[12] = {0x0b,0x00,0x00,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
81	BYTE mediaWP[12] = {0x0b,0x00,0x80,0x08,0x00,0x00,0x71,0xc0,0x00,0x00,0x02,0x00};
82
83	if (us->SM_Status.WtP)
84	usb_stor_set_xfer_buf(us, mediaWP, 12, srb, TO_XFER_BUF);
85	else
86	usb_stor_set_xfer_buf(us, mediaNoWP, 12, srb, TO_XFER_BUF);
87
88
89	return USB_STOR_TRANSPORT_GOOD;
90	}
91
92	//----- SM_SCSI_Read_Capacity() --------------------------------------------------
93	int SM_SCSI_Read_Capacity(struct us_data us, struct scsi_cmnd srb)
94	{
95	unsigned int offset = 0;
96	struct scatterlist *sg = NULL;
97	DWORD bl_num;
98	WORD bl_len;
99	BYTE buf[8];
100
101	printk("SM_SCSI_Read_Capacity\n");
102
103	bl_len = 0x200;
104	bl_num = Ssfdc.MaxLogBlocks * Ssfdc.MaxSectors * Ssfdc.MaxZones - 1;
105	//printk("MaxLogBlocks = %x\n", Ssfdc.MaxLogBlocks);
106	//printk("MaxSectors = %x\n", Ssfdc.MaxSectors);
107	//printk("MaxZones = %x\n", Ssfdc.MaxZones);
108	//printk("bl_num = %x\n", bl_num);
109
110	us->bl_num = bl_num;
111	printk("bl_len = %x\n", bl_len);
112	printk("bl_num = %x\n", bl_num);
113
114	//srb->request_bufflen = 8;
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
124	usb_stor_access_xfer_buf(us, buf, 8, srb, &sg, &offset, TO_XFER_BUF);
125	//usb_stor_set_xfer_buf(us, buf, srb->request_bufflen, srb, TO_XFER_BUF);
126
127	return USB_STOR_TRANSPORT_GOOD;
128	}
129
130	//----- SM_SCSI_Read() --------------------------------------------------
131	int SM_SCSI_Read(struct us_data us, struct scsi_cmnd srb)
132	{
133	//struct bulk_cb_wrap bcb = (struct bulk_cb_wrap ) us->iobuf;
134	int result=0;
135	PBYTE Cdb = srb->cmnd;
136	DWORD bn = ((Cdb[2]<<24) & 0xff000000) \| ((Cdb[3]<<16) & 0x00ff0000) \|
137	((Cdb[4]<< 8) & 0x0000ff00) \| ((Cdb[5]<< 0) & 0x000000ff);
138	WORD blen = ((Cdb[7]<< 8) & 0xff00) \| ((Cdb[8]<< 0) & 0x00ff);
139	DWORD blenByte = blen * 0x200;
140	void *buf;
141
142	//printk("SCSIOP_READ --- bn = %X, blen = %X, srb->use_sg = %X\n", bn, blen, srb->use_sg);
143
144	if (bn > us->bl_num)
145	return USB_STOR_TRANSPORT_ERROR;
146
147	buf = kmalloc(blenByte, GFP_KERNEL);
148	result = Media_D_ReadSector(us, bn, blen, buf);
149	usb_stor_set_xfer_buf(us, buf, blenByte, srb, TO_XFER_BUF);
150	kfree(buf);
151
152	if (!result)
153	return USB_STOR_TRANSPORT_GOOD;
154	else
155	return USB_STOR_TRANSPORT_ERROR;
156
157	return USB_STOR_TRANSPORT_GOOD;
158	}
159
160	//----- SM_SCSI_Write() --------------------------------------------------
161	int SM_SCSI_Write(struct us_data us, struct scsi_cmnd srb)
162	{
163	//struct bulk_cb_wrap bcb = (struct bulk_cb_wrap ) us->iobuf;
164	int result=0;
165	PBYTE Cdb = srb->cmnd;
166	DWORD bn = ((Cdb[2]<<24) & 0xff000000) \| ((Cdb[3]<<16) & 0x00ff0000) \|
167	((Cdb[4]<< 8) & 0x0000ff00) \| ((Cdb[5]<< 0) & 0x000000ff);
168	WORD blen = ((Cdb[7]<< 8) & 0xff00) \| ((Cdb[8]<< 0) & 0x00ff);
169	DWORD blenByte = blen * 0x200;
170	void *buf;
171
172	//printk("SCSIOP_Write --- bn = %X, blen = %X, srb->use_sg = %X\n", bn, blen, srb->use_sg);
173
174	if (bn > us->bl_num)
175	return USB_STOR_TRANSPORT_ERROR;
176
177	buf = kmalloc(blenByte, GFP_KERNEL);
178	usb_stor_set_xfer_buf(us, buf, blenByte, srb, FROM_XFER_BUF);
179	result = Media_D_CopySector(us, bn, blen, buf);
180	kfree(buf);
181
182	if (!result)
183	return USB_STOR_TRANSPORT_GOOD;
184	else
185	return USB_STOR_TRANSPORT_ERROR;
186
187	return USB_STOR_TRANSPORT_GOOD;
188	}
189