Attachment 217654 Details for Bug 390934

test-ready.c

test-ready.c (text/plain), 1.40 KB, created by Tejun Heo on 2008-05-23 00:35:15 UTC

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Creator: Tejun Heo

Created: 2008-05-23 00:35:15 UTC

Size: 1.40 KB

patch

obsolete

>#include <stdio.h>
>#include <scsi/sg.h>
>#include <scsi/scsi.h>
>#include <sys/ioctl.h>
>#include <unistd.h>
>#include <stdlib.h>
>#include <string.h>
>#include <sys/types.h>
>#include <sys/stat.h>
>#include <fcntl.h>
>
>static void print_hex(const unsigned char *p, int len)
>{
>	int i;
>
>	for (i = 0; i < len; i++) {
>		if (i % 16 == 0)
>			printf("%04x: ", i);
>		printf("%02x", p[i]);
>		if (i % 4 == 3) {
>			if (i % 16 == 15)
>				printf("\n");
>			else
>				printf("  ");
>		} else
>			printf(" ");
>	}
>	if (len % 16)
>		printf("\n");
>}
>
>int main(int argc, char **argv)
>{
>	struct sg_io_hdr transport = { };
>	unsigned char cmd[] = { 0, 0, 0, 0, 0, 0 };
>	unsigned char sense_data[32] = { };
>	int fd, rc;
>
>	if (argc < 2) {
>		fprintf(stderr, "Usage: wait-ready DEVICE\n");
>		return 1;
>	}
>
>	fd = open(argv[1], O_RDONLY|O_NONBLOCK);
>	if (fd < 0) {
>		perror("open");
>		return 1;
>	}
>
>	transport.interface_id = 'S';
>	transport.cmdp = cmd;
>	transport.cmd_len = sizeof(cmd);
>	transport.sbp = sense_data;
>	transport.mx_sb_len = sizeof(sense_data);
>	transport.dxfer_direction = SG_DXFER_NONE;
>
>	rc = ioctl(fd, SG_IO, &transport);
>	if (rc) {
>		perror("ioctl(SG_IO)");
>		return 1;
>	}
>
>	if ((transport.masked_status & CHECK_CONDITION) && transport.sb_len_wr) {
>		/*printf("* check sense data:\n");
>		  /print_hex(sense_data, sizeof(sense_data));*/
>		printf("SK=0x%02x ASC=0x%02x ASCQ=0x%02x\n",
>		       sense_data[2], sense_data[12], sense_data[13]);
>	}
>
>	return 0;
>}

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