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researchv10 Dan Cross

#include	<stdio.h>
#include	"../scsi.h"
#include	"../scsish.h"
#include	"fns.h"

int
wr_modeselect(int niargs, int *iargs, int ncargs, char **cargs, char *err)
{
	struct scsi_cmd cmd;
	struct scsi_return ret;
	int n;

#pragma ref niargs
#pragma ref ncargs
#pragma ref cargs

	printf("changing modes to ");
	if((iargs[0] < 256) && (iargs[0] >= 0))
		printf("er-param=%d(=#%x), ", iargs[0], iargs[0]);
	if((iargs[1] < 256) && (iargs[1] >= 0))
		printf("er-retries=%d, ", iargs[1]);
	if((iargs[2] < 256) && (iargs[2] >= 0))
		printf("read-recon=%d/256, ", iargs[2]);
	if((iargs[3] < 256) && (iargs[3] >= 0))
		printf("write-recon=%d/256, ", iargs[3]);
	if((iargs[4] < 256) && (iargs[4] >= 0))
		printf("cache %sable, ", iargs[4]?"en":"dis");
	if((iargs[5] < 256) && (iargs[5] >= 0))
		printf("cache threshold=%d, ", iargs[5]);
	if((iargs[6] < 256) && (iargs[6] >= 0))
		printf("cache max prefetch=%d, ", iargs[6]);
	if((iargs[7] < 256) && (iargs[7] >= 0))
		printf("cache size=%d, ", iargs[7]);
	printf("\nsleep(10); kill me if you disagree\n");
	fflush(stdout);
	sleep(10);
	/* do error recovery */
	if(((iargs[0] < 256) && (iargs[0] >= 0)) || ((iargs[1] < 256) && (iargs[1] >= 0))){
		set6(cmd, 0x1A, 0, (0<<6)|0x01, 0, 20, 0);
		if(n = s_io(0, &cmd, 0, &ret, 20, err))
			return(n);
		memcpy(cmd.data, ret.data, 20);
		cmd.data[14] &= ~0x10;
		if((iargs[0] < 256) && (iargs[0] >= 0))
			cmd.data[14] = iargs[0];
		if((iargs[1] < 256) && (iargs[1] >= 0))
			cmd.data[15] = iargs[1];
		set6(cmd, 0x15, 0x11, 0, 0, 20, 0);
		if(n = s_io(0, &cmd, 20, &ret, 0, err))
			return(n);
	}
	/* reconnect */
	if(((iargs[2] < 256) && (iargs[2] >= 0)) || ((iargs[3] < 256) && (iargs[3] >= 0))){
		set6(cmd, 0x1A, 0, (0<<6)|0x02, 0, 24, 0);
		if(n = s_io(0, &cmd, 0, &ret, 24, err))
			return(n);
		memcpy(cmd.data, ret.data, 24);
		if((iargs[3] < 256) && (iargs[3] >= 0))
			cmd.data[14] = iargs[3];
		if((iargs[4] < 256) && (iargs[4] >= 0))
			cmd.data[15] = iargs[4];
		set6(cmd, 0x15, 0x11, 0, 0, 24, 0);
		if(n = s_io(0, &cmd, 24, &ret, 0, err))
			return(n);
	}
	/* do cache control */
	if(((iargs[4] < 256) && (iargs[4] >= 0))
			|| ((iargs[5] < 256) && (iargs[5] >= 0))
			|| ((iargs[6] < 256) && (iargs[6] >= 0))
			|| ((iargs[7] < 256) && (iargs[7] >= 0))){
		set6(cmd, 0x1A, 0, (0<<6)|0x38, 0, 28, 0);
		if(n = s_io(0, &cmd, 0, &ret, 28, err))
			return(n);
		memcpy(cmd.data, ret.data, 28);
		cmd.data[14] &= ~0x10;
		if(iargs[4])
			cmd.data[14] |= 0x10;
		if((iargs[7] < 256) && (iargs[7] >= 0)){
			cmd.data[14] &= 0xF0;
			cmd.data[14] |= iargs[7]&0xF;
		}
		if((iargs[5] < 256) && (iargs[5] >= 0))
			cmd.data[15] = iargs[5];
		if((iargs[6] < 256) && (iargs[6] >= 0))
			cmd.data[16] = iargs[6];
		set6(cmd, 0x15, 0x11, 0, 0, 28, 0);
		if(n = s_io(0, &cmd, 28, &ret, 0, err))
			return(n);
	}
	return(0);
}

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