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freebsd/sbin/camcontrol/epc.c
Andriy Gapon 75bc7150f4 add and use defintions for ATA power modes 
Those can be returned by CHECK POWER MODE command (0xe5).
Note that some of the definitions duplicate definitions for Extended
Power Conditions.

MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D33646
2022-01-11 15:41:38 +02:00

856 lines
22 KiB
C
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/*-
* Copyright (c) 2016 Spectra Logic Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* Authors: Ken Merry (Spectra Logic Corporation)
*/
/*
* ATA Extended Power Conditions (EPC) support
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/ioctl.h>
#include <sys/stdint.h>
#include <sys/types.h>
#include <sys/endian.h>
#include <sys/sbuf.h>
#include <sys/queue.h>
#include <sys/ata.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <unistd.h>
#include <string.h>
#include <strings.h>
#include <fcntl.h>
#include <ctype.h>
#include <limits.h>
#include <err.h>
#include <locale.h>
#include <cam/cam.h>
#include <cam/cam_debug.h>
#include <cam/cam_ccb.h>
#include <cam/scsi/scsi_all.h>
#include <cam/scsi/scsi_da.h>
#include <cam/scsi/scsi_pass.h>
#include <cam/scsi/scsi_message.h>
#include <camlib.h>
#include "camcontrol.h"
typedef enum {
EPC_ACTION_NONE = 0x00,
EPC_ACTION_LIST = 0x01,
EPC_ACTION_TIMER_SET = 0x02,
EPC_ACTION_IMMEDIATE = 0x03,
EPC_ACTION_GETMODE = 0x04
} epc_action;
static struct scsi_nv epc_flags[] = {
{ "Supported", ATA_PCL_COND_SUPPORTED },
{ "Saveable", ATA_PCL_COND_SUPPORTED },
{ "Changeable", ATA_PCL_COND_CHANGEABLE },
{ "Default Timer Enabled", ATA_PCL_DEFAULT_TIMER_EN },
{ "Saved Timer Enabled", ATA_PCL_SAVED_TIMER_EN },
{ "Current Timer Enabled", ATA_PCL_CURRENT_TIMER_EN },
{ "Hold Power Condition Not Supported", ATA_PCL_HOLD_PC_NOT_SUP }
};
static struct scsi_nv epc_power_cond_map[] = {
{ "Standby_z", ATA_EPC_STANDBY_Z },
{ "z", ATA_EPC_STANDBY_Z },
{ "Standby_y", ATA_EPC_STANDBY_Y },
{ "y", ATA_EPC_STANDBY_Y },
{ "Idle_a", ATA_EPC_IDLE_A },
{ "a", ATA_EPC_IDLE_A },
{ "Idle_b", ATA_EPC_IDLE_B },
{ "b", ATA_EPC_IDLE_B },
{ "Idle_c", ATA_EPC_IDLE_C },
{ "c", ATA_EPC_IDLE_C }
};
static struct scsi_nv epc_rst_val[] = {
{ "default", ATA_SF_EPC_RST_DFLT },
{ "saved", 0}
};
static struct scsi_nv epc_ps_map[] = {
{ "unknown", ATA_SF_EPC_SRC_UNKNOWN },
{ "battery", ATA_SF_EPC_SRC_BAT },
{ "notbattery", ATA_SF_EPC_SRC_NOT_BAT }
};
/*
* These aren't subcommands of the EPC SET FEATURES subcommand, but rather
* commands that determine the current capabilities and status of the drive.
* The EPC subcommands are limited to 4 bits, so we won't collide with any
* future values.
*/
#define CCTL_EPC_GET_STATUS 0x8001
#define CCTL_EPC_LIST 0x8002
static struct scsi_nv epc_cmd_map[] = {
{ "restore", ATA_SF_EPC_RESTORE },
{ "goto", ATA_SF_EPC_GOTO },
{ "timer", ATA_SF_EPC_SET_TIMER },
{ "state", ATA_SF_EPC_SET_STATE },
{ "enable", ATA_SF_EPC_ENABLE },
{ "disable", ATA_SF_EPC_DISABLE },
{ "source", ATA_SF_EPC_SET_SOURCE },
{ "status", CCTL_EPC_GET_STATUS },
{ "list", CCTL_EPC_LIST }
};
static int epc_list(struct cam_device *device, camcontrol_devtype devtype,
union ccb *ccb, int retry_count, int timeout);
static void epc_print_pcl_desc(struct ata_power_cond_log_desc *desc,
const char *prefix);
static int epc_getmode(struct cam_device *device, camcontrol_devtype devtype,
union ccb *ccb, int retry_count, int timeout,
int power_only);
static int epc_set_features(struct cam_device *device,
camcontrol_devtype devtype, union ccb *ccb,
int retry_count, int timeout, int action,
int power_cond, int timer, int enable, int save,
int delayed_entry, int hold, int power_src,
int restore_src);
static void
epc_print_pcl_desc(struct ata_power_cond_log_desc *desc, const char *prefix)
{
int first;
unsigned int i, num_printed, max_chars;
first = 1;
max_chars = 75;
num_printed = printf("%sFlags: ", prefix);
for (i = 0; i < (sizeof(epc_flags) / sizeof(epc_flags[0])); i++) {
if ((desc->flags & epc_flags[i].value) == 0)
continue;
if (first == 0) {
num_printed += printf(", ");
}
if ((num_printed + strlen(epc_flags[i].name)) > max_chars) {
printf("\n");
num_printed = printf("%s ", prefix);
}
num_printed += printf("%s", epc_flags[i].name);
first = 0;
}
if (first != 0)
printf("None");
printf("\n");
printf("%sDefault timer setting: %.1f sec\n", prefix,
(double)(le32dec(desc->default_timer) / 10));
printf("%sSaved timer setting: %.1f sec\n", prefix,
(double)(le32dec(desc->saved_timer) / 10));
printf("%sCurrent timer setting: %.1f sec\n", prefix,
(double)(le32dec(desc->current_timer) / 10));
printf("%sNominal time to active: %.1f sec\n", prefix,
(double)(le32dec(desc->nom_time_to_active) / 10));
printf("%sMinimum timer: %.1f sec\n", prefix,
(double)(le32dec(desc->min_timer) / 10));
printf("%sMaximum timer: %.1f sec\n", prefix,
(double)(le32dec(desc->max_timer) / 10));
printf("%sNumber of transitions to power condition: %u\n", prefix,
le32dec(desc->num_transitions_to_pc));
printf("%sHours in power condition: %u\n", prefix,
le32dec(desc->hours_in_pc));
}
static int
epc_list(struct cam_device *device, camcontrol_devtype devtype, union ccb *ccb,
int retry_count, int timeout)
{
struct ata_power_cond_log_idle *idle_log;
struct ata_power_cond_log_standby *standby_log;
uint8_t log_buf[sizeof(*idle_log) + sizeof(*standby_log)];
uint16_t log_addr = ATA_POWER_COND_LOG;
uint16_t page_number = ATA_PCL_IDLE;
uint64_t lba;
int error = 0;
lba = (((uint64_t)page_number & 0xff00) << 32) |
((page_number & 0x00ff) << 8) |
(log_addr & 0xff);
error = build_ata_cmd(ccb,
/*retry_count*/ retry_count,
/*flags*/ CAM_DIR_IN | CAM_DEV_QFRZDIS,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*protocol*/ AP_PROTO_DMA | AP_EXTEND,
/*ata_flags*/ AP_FLAG_BYT_BLOK_BLOCKS |
AP_FLAG_TLEN_SECT_CNT |
AP_FLAG_TDIR_FROM_DEV,
/*features*/ 0,
/*sector_count*/ 2,
/*lba*/ lba,
/*command*/ ATA_READ_LOG_DMA_EXT,
/*auxiliary*/ 0,
/*data_ptr*/ log_buf,
/*dxfer_len*/ sizeof(log_buf),
/*cdb_storage*/ NULL,
/*cdb_storage_len*/ 0,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ? timeout : 60000,
/*is48bit*/ 1,
/*devtype*/ devtype);
if (error != 0) {
warnx("%s: build_ata_cmd() failed, likely programmer error",
__func__);
goto bailout;
}
if (retry_count > 0)
ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
error = cam_send_ccb(device, ccb);
if (error != 0) {
warn("error sending ATA READ LOG EXT CCB");
error = 1;
goto bailout;
}
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
cam_error_print(device, ccb, CAM_ESF_ALL, CAM_EPF_ALL,stderr);
error = 1;
goto bailout;
}
idle_log = (struct ata_power_cond_log_idle *)log_buf;
standby_log =
(struct ata_power_cond_log_standby *)&log_buf[sizeof(*idle_log)];
printf("ATA Power Conditions Log:\n");
printf(" Idle power conditions page:\n");
printf(" Idle A condition:\n");
epc_print_pcl_desc(&idle_log->idle_a_desc, " ");
printf(" Idle B condition:\n");
epc_print_pcl_desc(&idle_log->idle_b_desc, " ");
printf(" Idle C condition:\n");
epc_print_pcl_desc(&idle_log->idle_c_desc, " ");
printf(" Standby power conditions page:\n");
printf(" Standby Y condition:\n");
epc_print_pcl_desc(&standby_log->standby_y_desc, " ");
printf(" Standby Z condition:\n");
epc_print_pcl_desc(&standby_log->standby_z_desc, " ");
bailout:
return (error);
}
static int
epc_getmode(struct cam_device *device, camcontrol_devtype devtype,
union ccb *ccb, int retry_count, int timeout, int power_only)
{
struct ata_params *ident = NULL;
struct ata_identify_log_sup_cap sup_cap;
const char *mode_name = NULL;
uint8_t error = 0, ata_device = 0, status = 0;
uint16_t count = 0;
uint64_t lba = 0;
uint32_t page_number, log_address;
uint64_t caps = 0;
int avail_bytes = 0;
int res_available = 0;
int retval;
retval = 0;
if (power_only != 0)
goto check_power_mode;
/*
* Get standard ATA Identify data.
*/
retval = ata_do_identify(device, retry_count, timeout, ccb, &ident);
if (retval != 0) {
warnx("Couldn't get identify data");
goto bailout;
}
/*
* Get the ATA Identify Data Log (0x30),
* Supported Capabilities Page (0x03).
*/
log_address = ATA_IDENTIFY_DATA_LOG;
page_number = ATA_IDL_SUP_CAP;
lba = (((uint64_t)page_number & 0xff00) << 32) |
((page_number & 0x00ff) << 8) |
(log_address & 0xff);
bzero(&sup_cap, sizeof(sup_cap));
/*
* XXX KDM check the supported protocol.
*/
retval = build_ata_cmd(ccb,
/*retry_count*/ retry_count,
/*flags*/ CAM_DIR_IN | CAM_DEV_QFRZDIS,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*protocol*/ AP_PROTO_DMA |
AP_EXTEND,
/*ata_flags*/ AP_FLAG_BYT_BLOK_BLOCKS |
AP_FLAG_TLEN_SECT_CNT |
AP_FLAG_TDIR_FROM_DEV,
/*features*/ 0,
/*sector_count*/ 1,
/*lba*/ lba,
/*command*/ ATA_READ_LOG_DMA_EXT,
/*auxiliary*/ 0,
/*data_ptr*/ (uint8_t *)&sup_cap,
/*dxfer_len*/ sizeof(sup_cap),
/*cdb_storage*/ NULL,
/*cdb_storage_len*/ 0,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ? timeout : 60000,
/*is48bit*/ 1,
/*devtype*/ devtype);
if (retval != 0) {
warnx("%s: build_ata_cmd() failed, likely a programmer error",
__func__);
goto bailout;
}
if (retry_count > 0)
ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
retval = cam_send_ccb(device, ccb);
if (retval != 0) {
warn("error sending ATA READ LOG CCB");
retval = 1;
goto bailout;
}
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
cam_error_print(device, ccb, CAM_ESF_ALL, CAM_EPF_ALL,stderr);
retval = 1;
goto bailout;
}
if (ccb->ccb_h.func_code == XPT_SCSI_IO) {
avail_bytes = ccb->csio.dxfer_len - ccb->csio.resid;
} else {
avail_bytes = ccb->ataio.dxfer_len - ccb->ataio.resid;
}
if (avail_bytes < (int)sizeof(sup_cap)) {
warnx("Couldn't get enough of the ATA Supported "
"Capabilities log, %d bytes returned", avail_bytes);
retval = 1;
goto bailout;
}
caps = le64dec(sup_cap.sup_cap);
if ((caps & ATA_SUP_CAP_VALID) == 0) {
warnx("Supported capabilities bits are not valid");
retval = 1;
goto bailout;
}
printf("APM: %sSupported, %sEnabled\n",
(ident->support.command2 & ATA_SUPPORT_APM) ? "" : "NOT ",
(ident->enabled.command2 & ATA_SUPPORT_APM) ? "" : "NOT ");
printf("EPC: %sSupported, %sEnabled\n",
(ident->support2 & ATA_SUPPORT_EPC) ? "" : "NOT ",
(ident->enabled2 & ATA_ENABLED_EPC) ? "" : "NOT ");
printf("Low Power Standby %sSupported\n",
(caps & ATA_SC_LP_STANDBY_SUP) ? "" : "NOT ");
printf("Set EPC Power Source %sSupported\n",
(caps & ATA_SC_SET_EPC_PS_SUP) ? "" : "NOT ");
check_power_mode:
retval = build_ata_cmd(ccb,
/*retry_count*/ retry_count,
/*flags*/ CAM_DIR_NONE | CAM_DEV_QFRZDIS,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*protocol*/ AP_PROTO_NON_DATA |
AP_EXTEND,
/*ata_flags*/ AP_FLAG_BYT_BLOK_BLOCKS |
AP_FLAG_TLEN_NO_DATA |
AP_FLAG_CHK_COND,
/*features*/ ATA_SF_EPC,
/*sector_count*/ 0,
/*lba*/ 0,
/*command*/ ATA_CHECK_POWER_MODE,
/*auxiliary*/ 0,
/*data_ptr*/ NULL,
/*dxfer_len*/ 0,
/*cdb_storage*/ NULL,
/*cdb_storage_len*/ 0,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ? timeout : 60000,
/*is48bit*/ 0,
/*devtype*/ devtype);
if (retval != 0) {
warnx("%s: build_ata_cmd() failed, likely a programmer error",
__func__);
goto bailout;
}
if (retry_count > 0)
ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
retval = cam_send_ccb(device, ccb);
if (retval != 0) {
warn("error sending ATA CHECK POWER MODE CCB");
retval = 1;
goto bailout;
}
/*
* Check to see whether we got the requested ATA result if this
* is an SCSI ATA PASS-THROUGH command.
*/
if (((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR)
&& (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)) {
int error_code, sense_key, asc, ascq;
retval = scsi_extract_sense_ccb(ccb, &error_code,
&sense_key, &asc, &ascq);
if (retval == 0) {
cam_error_print(device, ccb, CAM_ESF_ALL, CAM_EPF_ALL,
stderr);
retval = 1;
goto bailout;
}
if ((sense_key == SSD_KEY_RECOVERED_ERROR)
&& (asc == 0x00)
&& (ascq == 0x1d)) {
res_available = 1;
}
}
if (((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
&& (res_available == 0)) {
cam_error_print(device, ccb, CAM_ESF_ALL, CAM_EPF_ALL,stderr);
retval = 1;
goto bailout;
}
retval = get_ata_status(device, ccb, &error, &count, &lba, &ata_device,
&status);
if (retval != 0) {
warnx("Unable to get ATA CHECK POWER MODE result");
retval = 1;
goto bailout;
}
mode_name = scsi_nv_to_str(epc_power_cond_map,
sizeof(epc_power_cond_map) / sizeof(epc_power_cond_map[0]), count);
printf("Current power state: ");
/* Note: ident can be null in power_only mode */
if ((ident == NULL)
|| (ident->enabled2 & ATA_ENABLED_EPC)) {
if (mode_name != NULL)
printf("%s", mode_name);
else if (count == ATA_PM_ACTIVE_IDLE) {
printf("PM0:Active or PM1:Idle");
}
} else {
switch (count) {
case ATA_PM_STANDBY:
printf("PM2:Standby");
break;
case ATA_PM_IDLE:
printf("PM1:Idle");
break;
case ATA_PM_ACTIVE_IDLE:
printf("PM0:Active or PM1:Idle");
break;
}
}
printf("(0x%02x)\n", count);
if (power_only != 0)
goto bailout;
if (caps & ATA_SC_LP_STANDBY_SUP) {
uint32_t wait_mode;
wait_mode = (lba >> 20) & 0xff;
if (wait_mode == 0xff) {
printf("Device not waiting to enter lower power "
"condition");
} else {
mode_name = scsi_nv_to_str(epc_power_cond_map,
sizeof(epc_power_cond_map) /
sizeof(epc_power_cond_map[0]), wait_mode);
printf("Device waiting to enter mode %s (0x%02x)\n",
(mode_name != NULL) ? mode_name : "Unknown",
wait_mode);
}
printf("Device is %sheld in the current power condition\n",
(lba & 0x80000) ? "" : "NOT ");
}
bailout:
return (retval);
}
static int
epc_set_features(struct cam_device *device, camcontrol_devtype devtype,
union ccb *ccb, int retry_count, int timeout, int action,
int power_cond, int timer, int enable, int save,
int delayed_entry, int hold, int power_src, int restore_src)
{
uint64_t lba;
uint16_t count = 0;
int error;
error = 0;
lba = action;
switch (action) {
case ATA_SF_EPC_SET_TIMER:
lba |= ((timer << ATA_SF_EPC_TIMER_SHIFT) &
ATA_SF_EPC_TIMER_MASK);
/* FALLTHROUGH */
case ATA_SF_EPC_SET_STATE:
lba |= (enable ? ATA_SF_EPC_TIMER_EN : 0) |
(save ? ATA_SF_EPC_TIMER_SAVE : 0);
count = power_cond;
break;
case ATA_SF_EPC_GOTO:
count = power_cond;
lba |= (delayed_entry ? ATA_SF_EPC_GOTO_DELAY : 0) |
(hold ? ATA_SF_EPC_GOTO_HOLD : 0);
break;
case ATA_SF_EPC_RESTORE:
lba |= restore_src |
(save ? ATA_SF_EPC_RST_SAVE : 0);
break;
case ATA_SF_EPC_ENABLE:
case ATA_SF_EPC_DISABLE:
break;
case ATA_SF_EPC_SET_SOURCE:
count = power_src;
break;
}
error = build_ata_cmd(ccb,
/*retry_count*/ retry_count,
/*flags*/ CAM_DIR_NONE | CAM_DEV_QFRZDIS,
/*tag_action*/ MSG_SIMPLE_Q_TAG,
/*protocol*/ AP_PROTO_NON_DATA | AP_EXTEND,
/*ata_flags*/ AP_FLAG_BYT_BLOK_BLOCKS |
AP_FLAG_TLEN_NO_DATA |
AP_FLAG_TDIR_FROM_DEV,
/*features*/ ATA_SF_EPC,
/*sector_count*/ count,
/*lba*/ lba,
/*command*/ ATA_SETFEATURES,
/*auxiliary*/ 0,
/*data_ptr*/ NULL,
/*dxfer_len*/ 0,
/*cdb_storage*/ NULL,
/*cdb_storage_len*/ 0,
/*sense_len*/ SSD_FULL_SIZE,
/*timeout*/ timeout ? timeout : 60000,
/*is48bit*/ 1,
/*devtype*/ devtype);
if (error != 0) {
warnx("%s: build_ata_cmd() failed, likely a programmer error",
__func__);
goto bailout;
}
if (retry_count > 0)
ccb->ccb_h.flags |= CAM_PASS_ERR_RECOVER;
error = cam_send_ccb(device, ccb);
if (error != 0) {
warn("error sending ATA SET FEATURES CCB");
error = 1;
goto bailout;
}
if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
cam_error_print(device, ccb, CAM_ESF_ALL, CAM_EPF_ALL,stderr);
error = 1;
goto bailout;
}
bailout:
return (error);
}
int
epc(struct cam_device *device, int argc, char **argv, char *combinedopt,
int retry_count, int timeout, int verbosemode __unused)
{
union ccb *ccb = NULL;
int error = 0;
int c;
int action = -1;
camcontrol_devtype devtype;
double timer_val = -1;
int timer_tenths = 0, power_cond = -1;
int delayed_entry = 0, hold = 0;
int enable = -1, save = 0;
int restore_src = -1;
int power_src = -1;
int power_only = 0;
ccb = cam_getccb(device);
if (ccb == NULL) {
warnx("%s: error allocating CCB", __func__);
error = 1;
goto bailout;
}
while ((c = getopt(argc, argv, combinedopt)) != -1) {
switch (c) {
case 'c': {
scsi_nv_status status;
int entry_num;
status = scsi_get_nv(epc_cmd_map,
(sizeof(epc_cmd_map) / sizeof(epc_cmd_map[0])),
optarg, &entry_num, SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
action = epc_cmd_map[entry_num].value;
else {
warnx("%s: %s: %s option %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", "epc command",
optarg);
error = 1;
goto bailout;
}
break;
}
case 'd':
enable = 0;
break;
case 'D':
delayed_entry = 1;
break;
case 'e':
enable = 1;
break;
case 'H':
hold = 1;
break;
case 'p': {
scsi_nv_status status;
int entry_num;
status = scsi_get_nv(epc_power_cond_map,
(sizeof(epc_power_cond_map) /
sizeof(epc_power_cond_map[0])), optarg,
&entry_num, SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
power_cond =epc_power_cond_map[entry_num].value;
else {
warnx("%s: %s: %s option %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", "power condition",
optarg);
error = 1;
goto bailout;
}
break;
}
case 'P':
power_only = 1;
break;
case 'r': {
scsi_nv_status status;
int entry_num;
status = scsi_get_nv(epc_rst_val,
(sizeof(epc_rst_val) /
sizeof(epc_rst_val[0])), optarg,
&entry_num, SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
restore_src = epc_rst_val[entry_num].value;
else {
warnx("%s: %s: %s option %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid",
"restore value source", optarg);
error = 1;
goto bailout;
}
break;
}
case 's':
save = 1;
break;
case 'S': {
scsi_nv_status status;
int entry_num;
status = scsi_get_nv(epc_ps_map,
(sizeof(epc_ps_map) / sizeof(epc_ps_map[0])),
optarg, &entry_num, SCSI_NV_FLAG_IG_CASE);
if (status == SCSI_NV_FOUND)
power_src = epc_ps_map[entry_num].value;
else {
warnx("%s: %s: %s option %s", __func__,
(status == SCSI_NV_AMBIGUOUS) ?
"ambiguous" : "invalid", "power source",
optarg);
error = 1;
goto bailout;
}
break;
}
case 'T': {
char *endptr;
timer_val = strtod(optarg, &endptr);
if (timer_val < 0) {
warnx("Invalid timer value %f", timer_val);
error = 1;
goto bailout;
} else if (*endptr != '\0') {
warnx("Invalid timer value %s", optarg);
error = 1;
goto bailout;
}
timer_tenths = timer_val * 10;
break;
}
default:
break;
}
}
if (action == -1) {
warnx("Must specify an action");
error = 1;
goto bailout;
}
error = get_device_type(device, retry_count, timeout,
/*printerrors*/ 1, &devtype);
if (error != 0)
errx(1, "Unable to determine device type");
switch (devtype) {
case CC_DT_ATA:
case CC_DT_SATL:
break;
default:
warnx("The epc subcommand only works with ATA protocol "
"devices");
error = 1;
goto bailout;
break; /*NOTREACHED*/
}
switch (action) {
case ATA_SF_EPC_SET_TIMER:
if (timer_val == -1) {
warnx("Must specify a timer value (-T time)");
error = 1;
}
/* FALLTHROUGH */
case ATA_SF_EPC_SET_STATE:
if (enable == -1) {
warnx("Must specify enable (-e) or disable (-d)");
error = 1;
}
/* FALLTHROUGH */
case ATA_SF_EPC_GOTO:
if (power_cond == -1) {
warnx("Must specify a power condition with -p");
error = 1;
}
if (error != 0)
goto bailout;
break;
case ATA_SF_EPC_SET_SOURCE:
if (power_src == -1) {
warnx("Must specify a power source (-S battery or "
"-S notbattery) value");
error = 1;
goto bailout;
}
break;
case ATA_SF_EPC_RESTORE:
if (restore_src == -1) {
warnx("Must specify a source for restored value, "
"-r default or -r saved");
error = 1;
goto bailout;
}
break;
case ATA_SF_EPC_ENABLE:
case ATA_SF_EPC_DISABLE:
case CCTL_EPC_GET_STATUS:
case CCTL_EPC_LIST:
default:
break;
}
switch (action) {
case CCTL_EPC_GET_STATUS:
error = epc_getmode(device, devtype, ccb, retry_count, timeout,
power_only);
break;
case CCTL_EPC_LIST:
error = epc_list(device, devtype, ccb, retry_count, timeout);
break;
case ATA_SF_EPC_RESTORE:
case ATA_SF_EPC_GOTO:
case ATA_SF_EPC_SET_TIMER:
case ATA_SF_EPC_SET_STATE:
case ATA_SF_EPC_ENABLE:
case ATA_SF_EPC_DISABLE:
case ATA_SF_EPC_SET_SOURCE:
error = epc_set_features(device, devtype, ccb, retry_count,
timeout, action, power_cond, timer_tenths, enable, save,
delayed_entry, hold, power_src, restore_src);
break;
default:
warnx("Not implemented yet");
error = 1;
goto bailout;
break;
}
bailout:
if (ccb != NULL)
cam_freeccb(ccb);
return (error);
}
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