iprutils/debug/iprqioac.c
2011-03-07 09:20:04 -08:00

130 lines
2.7 KiB
C

/**
* IBM IPR adapter shutdown utility
*
* (C) Copyright 2005
* International Business Machines Corporation and others.
* All Rights Reserved. This program and the accompanying
* materials are made available under the terms of the
* Common Public License v1.0 which accompanies this distribution.
*
*/
/*
* $Header: /cvsroot/iprdd/iprutils/debug/iprqioac.c,v 1.1 2005/12/16 17:04:41 brking Exp $
*/
#include <unistd.h>
#include <sys/ioctl.h>
#include <scsi/sg.h>
#include <scsi/scsi.h>
#include <sys/stat.h>
#ifndef iprlib_h
#include "iprlib.h"
#endif
#include <sys/mman.h>
char *tool_name = "iprqioac";
#define IPR_QUERY_IOA_CONFIG 0xC5
struct ipr_config_table_entry {
u8 service_level;
u8 array_id;
u8 flags;
#define IPR_IS_IOA_RESOURCE 0x80
#define IPR_IS_ARRAY_MEMBER 0x20
#define IPR_IS_HOT_SPARE 0x10
u8 rsvd_subtype;
#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
#define IPR_SUBTYPE_AF_DASD 0
#define IPR_SUBTYPE_GENERIC_SCSI 1
#define IPR_SUBTYPE_VOLUME_SET 2
struct ipr_res_addr res_addr;
u32 res_handle;
u32 reserved4[2];
struct ipr_std_inq_data std_inq_data;
}__attribute__ ((packed, aligned (4)));
struct ipr_config_table_hdr {
u8 num_entries;
u8 flags;
#define IPR_UCODE_DOWNLOAD_REQ 0x10
u16 reserved;
}__attribute__((packed, aligned (4)));
struct ipr_config_table {
struct ipr_config_table_hdr hdr;
struct ipr_config_table_entry dev[192];
}__attribute__((packed, aligned (4)));
static void dump_config_table(struct ipr_config_table *cfg)
{
int i;
u32 *buf = (u32 *)cfg;
for (i = 0; i < sizeof(*cfg); i += 16, buf += 4) {
if (!buf[0] && !buf[1] && !buf[2] && !buf[3])
continue;
printf("[%04X] %08X %08X %08X %08X\n",
i, ntohl(buf[0]), ntohl(buf[1]),
ntohl(buf[2]), ntohl(buf[3]));
}
}
static int ipr_ioa_flush(struct ipr_ioa *ioa)
{
int fd;
u8 cdb[IPR_CCB_CDB_LEN];
struct sense_data_t sense_data;
struct ipr_config_table cfg;
int rc;
memset(&cfg, 0, sizeof(cfg));
if (strlen(ioa->ioa.gen_name) == 0)
return -ENOENT;
fd = open(ioa->ioa.gen_name, O_RDWR);
if (fd <= 1) {
syslog(LOG_ERR, "Could not open %s. %m\n", ioa->ioa.gen_name);
return errno;
}
memset(cdb, 0, IPR_CCB_CDB_LEN);
cdb[0] = IPR_QUERY_IOA_CONFIG;
cdb[7] = (sizeof(cfg) >> 8) & 0xff;
cdb[8] = sizeof(cfg) & 0xff;
rc = sg_ioctl(fd, cdb, &cfg,
sizeof(cfg), SG_DXFER_FROM_DEV,
&sense_data, IPR_ARRAY_CMD_TIMEOUT);
if (rc != 0)
ioa_cmd_err(ioa, &sense_data, IPR_QUERY_IOA_CONFIG, rc);
else
dump_config_table(&cfg);
close(fd);
return rc;
}
int main(int argc, char *argv[])
{
struct ipr_ioa *ioa;
tool_init(1);
check_current_config(false);
for_each_ioa(ioa) {
if (!strcmp(ioa->ioa.gen_name, argv[1])) {
ipr_ioa_flush(ioa);
return 0;
}
}
return -EINVAL;
}