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#27 fixed Inquiry to return dynamic block size

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This commit is contained in:
akuker
2020-09-20 11:16:33 -05:00
parent 98c3398da4
commit 00dfea9d06
1 changed files with 22 additions and 46 deletions
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68
src/raspberrypi/devices/scsi_nuvolink.cpp
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@@ -101,34 +101,25 @@ SCSINuvolink::~SCSINuvolink()
int FASTCALL SCSINuvolink::Inquiry(
const DWORD *cdb, BYTE *buf, DWORD major, DWORD minor)
{
// char rev[32];
// int size;
DWORD junk_data=0;
WORD junk_data_word=0;
BYTE temp;
BYTE temp2;
WORD response_size=96;
// if(cdb[2] == 0x02){
// /* If we got a "page code" of 2, the driver is looking for
// * all of the details. */
// LOGINFO("Sending response of 292 bytes");
// response_size=292;
// }
const WORD header_size=4;
DWORD response_size;
DWORD temp_data_dword;
WORD temp_data_word;
ASSERT(this);
ASSERT(cdb);
ASSERT(buf);
ASSERT(cdb[0] == 0x12);
LOGTRACE("SCSINuvolink::Inquiry");
LOGDEBUG("Inquiry with major %ld, minor %ld",major, minor);
LOGTRACE("%s Inquiry with major %ld, minor %ld",__PRETTY_FUNCTION__, major, minor);
// The LSB of cdb[3] is used as an extension to the size
// field in cdb[4]
response_size = (((DWORD)cdb[3] & 0x1) << 8) + cdb[4];
LOGWARN("size is %d (%08X)",response_size, response_size);
for(int i=0; i< 5; i++)
{
temp = cdb[i];
LOGDEBUG("CDB Byte %d: %02X",i,(int)temp);
LOGDEBUG("CDB Byte %d: %02X",i, (int)cdb[i]);
}
// EVPD check
@@ -174,7 +165,9 @@ int FASTCALL SCSINuvolink::Inquiry(
// Build-in Hardware MAC address
memcpy(&buf[56], mac_addr, sizeof(mac_addr));
// if(response_size > 96){
// For now, all of the statistics are just garbage data to
// make sure that the inquiry response is formatted correctly
if(response_size > 96){
// Header for SCSI statistics
buf[96] = 0x04; // Decimal 1234
buf[97] = 0xD2;
@@ -188,26 +181,25 @@ int FASTCALL SCSINuvolink::Inquiry(
buf[245]=0x80;
// Received Packet Count
junk_data=100;
memcpy(&buf[246], &junk_data, sizeof(junk_data));
temp_data_dword=100;
memcpy(&buf[246], &temp_data_dword, sizeof(temp_data_dword));
// Transmitted Packet Count
junk_data=200;
memcpy(&buf[250], &junk_data, sizeof(junk_data));
temp_data_dword=200;
memcpy(&buf[250], &temp_data_dword, sizeof(temp_data_dword));
// Transmitted Request Count
junk_data=300;
memcpy(&buf[254], &junk_data, sizeof(junk_data));
temp_data_dword=300;
memcpy(&buf[254], &temp_data_dword, sizeof(temp_data_dword));
// Reset Count
junk_data_word=50;
memcpy(&buf[258], &junk_data_word, sizeof(junk_data_word));
temp_data_word=50;
memcpy(&buf[258], &temp_data_word, sizeof(temp_data_word));
// Header for network errors
buf[260]=0x11; // Decimal 4567
buf[261]=0xD7;
LOGINFO("Adding garbage data");
// unexp_rst
buf[262]=0x01;
buf[263]=0x02;
@@ -227,27 +219,11 @@ int FASTCALL SCSINuvolink::Inquiry(
buf[273]=0x0C;
buf[274]=0x0D;
buf[275]=0x0E;
// }
}
// for (int i=0; i<response_size; i++){
// if((i % 8) == 0){
// printf("\n 0x%08X", i);
// }
// printf(" %02X", (int)buf[i]);
// }
// printf("\n");
LOGINFO("Done....");
LOGINFO("Done....");
LOGINFO("Done....");
LOGINFO("Done....");
LOGINFO("Done....");
LOGINFO("Done....");
LOGINFO("Done....");
// Success
disk.code = DISK_NOERROR;
// return response_size;
return 292;
return response_size;
}
//---------------------------------------------------------------------------