freebsd-skq/usr.sbin/mpsutil/mps_cmd.c
uqs 11e0dd6c90 Fix type mismatches for malloc(3) and Co.
This is rather pedantic, as for most architectures it holds that
sizeof(type *) == sizeof(type **)

Found by:	clang static analyzer
Reviewed by:	ed
Differential Revision: https://reviews.freebsd.org/D4722
2015-12-29 11:24:41 +00:00

732 lines
17 KiB
C

/*-
* Copyright (c) 2015 Baptiste Daroussin <bapt@FreeBSD.org>
*
* Copyright (c) 2015 Netflix, Inc.
* All rights reserved.
* Written by: Scott Long <scottl@freebsd.org>
*
* Copyright (c) 2008 Yahoo!, Inc.
* All rights reserved.
* Written by: John Baldwin <jhb@FreeBSD.org>
*
* 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.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, 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 DAMAGE.
*/
#include <sys/cdefs.h>
__RCSID("$FreeBSD$");
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#if 0
#include <sys/mps_ioctl.h>
#else
#include "mps_ioctl.h"
#include "mpr_ioctl.h"
#endif
#include <sys/sysctl.h>
#include <sys/uio.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "mpsutil.h"
#ifndef USE_MPT_IOCTLS
#define USE_MPT_IOCTLS
#endif
static const char *mps_ioc_status_codes[] = {
"Success", /* 0x0000 */
"Invalid function",
"Busy",
"Invalid scatter-gather list",
"Internal error",
"Reserved",
"Insufficient resources",
"Invalid field",
"Invalid state", /* 0x0008 */
"Operation state not supported",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0010 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0018 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Invalid configuration action", /* 0x0020 */
"Invalid configuration type",
"Invalid configuration page",
"Invalid configuration data",
"No configuration defaults",
"Unable to commit configuration change",
NULL,
NULL,
NULL, /* 0x0028 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0030 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0038 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Recovered SCSI error", /* 0x0040 */
"Invalid SCSI bus",
"Invalid SCSI target ID",
"SCSI device not there",
"SCSI data overrun",
"SCSI data underrun",
"SCSI I/O error",
"SCSI protocol error",
"SCSI task terminated", /* 0x0048 */
"SCSI residual mismatch",
"SCSI task management failed",
"SCSI I/O controller terminated",
"SCSI external controller terminated",
"EEDP guard error",
"EEDP reference tag error",
"EEDP application tag error",
NULL, /* 0x0050 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0058 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"SCSI target priority I/O", /* 0x0060 */
"Invalid SCSI target port",
"Invalid SCSI target I/O index",
"SCSI target aborted",
"No connection retryable",
"No connection",
"FC aborted",
"Invalid FC receive ID",
"FC did invalid", /* 0x0068 */
"FC node logged out",
"Transfer count mismatch",
"STS data not set",
"FC exchange canceled",
"Data offset error",
"Too much write data",
"IU too short",
"ACK NAK timeout", /* 0x0070 */
"NAK received",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL, /* 0x0078 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"LAN device not found", /* 0x0080 */
"LAN device failure",
"LAN transmit error",
"LAN transmit aborted",
"LAN receive error",
"LAN receive aborted",
"LAN partial packet",
"LAN canceled",
NULL, /* 0x0088 */
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"SAS SMP request failed", /* 0x0090 */
"SAS SMP data overrun",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Inband aborted", /* 0x0098 */
"No inband connection",
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
"Diagnostic released", /* 0x00A0 */
};
struct mprs_pass_thru {
uint64_t PtrRequest;
uint64_t PtrReply;
uint64_t PtrData;
uint32_t RequestSize;
uint32_t ReplySize;
uint32_t DataSize;
uint32_t DataDirection;
uint64_t PtrDataOut;
uint32_t DataOutSize;
uint32_t Timeout;
};
struct mprs_btdh_mapping {
uint16_t TargetID;
uint16_t Bus;
uint16_t DevHandle;
uint16_t Reserved;
};
const char *
mps_ioc_status(U16 IOCStatus)
{
static char buffer[16];
IOCStatus &= MPI2_IOCSTATUS_MASK;
if (IOCStatus < sizeof(mps_ioc_status_codes) / sizeof(char *) &&
mps_ioc_status_codes[IOCStatus] != NULL)
return (mps_ioc_status_codes[IOCStatus]);
snprintf(buffer, sizeof(buffer), "Status: 0x%04x", IOCStatus);
return (buffer);
}
#ifdef USE_MPT_IOCTLS
int
mps_map_btdh(int fd, uint16_t *devhandle, uint16_t *bus, uint16_t *target)
{
int error;
struct mprs_btdh_mapping map;
map.Bus = *bus;
map.TargetID = *target;
map.DevHandle = *devhandle;
if ((error = ioctl(fd, MPTIOCTL_BTDH_MAPPING, &map)) != 0) {
error = errno;
warn("Failed to map bus/target/device");
return (error);
}
*bus = map.Bus;
*target = map.TargetID;
*devhandle = map.DevHandle;
return (0);
}
int
mps_read_config_page_header(int fd, U8 PageType, U8 PageNumber, U32 PageAddress,
MPI2_CONFIG_PAGE_HEADER *header, U16 *IOCStatus)
{
MPI2_CONFIG_REQUEST req;
MPI2_CONFIG_REPLY reply;
bzero(&req, sizeof(req));
req.Function = MPI2_FUNCTION_CONFIG;
req.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
req.Header.PageType = PageType;
req.Header.PageNumber = PageNumber;
req.PageAddress = PageAddress;
if (mps_pass_command(fd, &req, sizeof(req), &reply, sizeof(reply),
NULL, 0, NULL, 0, 30))
return (errno);
if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
if (IOCStatus != NULL)
*IOCStatus = reply.IOCStatus;
return (EIO);
}
if (header == NULL)
return (EINVAL);
*header = reply.Header;
return (0);
}
int
mps_read_ext_config_page_header(int fd, U8 ExtPageType, U8 PageNumber, U32 PageAddress, MPI2_CONFIG_PAGE_HEADER *header, U16 *ExtPageLength, U16 *IOCStatus)
{
MPI2_CONFIG_REQUEST req;
MPI2_CONFIG_REPLY reply;
bzero(&req, sizeof(req));
req.Function = MPI2_FUNCTION_CONFIG;
req.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
req.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
req.ExtPageType = ExtPageType;
req.Header.PageNumber = PageNumber;
req.PageAddress = PageAddress;
if (mps_pass_command(fd, &req, sizeof(req), &reply, sizeof(reply),
NULL, 0, NULL, 0, 30))
return (errno);
if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
if (IOCStatus != NULL)
*IOCStatus = reply.IOCStatus;
return (EIO);
}
if ((header == NULL) || (ExtPageLength == NULL))
return (EINVAL);
*header = reply.Header;
*ExtPageLength = reply.ExtPageLength;
return (0);
}
void *
mps_read_config_page(int fd, U8 PageType, U8 PageNumber, U32 PageAddress,
U16 *IOCStatus)
{
MPI2_CONFIG_REQUEST req;
MPI2_CONFIG_PAGE_HEADER header;
MPI2_CONFIG_REPLY reply;
void *buf;
int error, len;
bzero(&header, sizeof(header));
error = mps_read_config_page_header(fd, PageType, PageNumber,
PageAddress, &header, IOCStatus);
if (error) {
errno = error;
return (NULL);
}
bzero(&req, sizeof(req));
req.Function = MPI2_FUNCTION_CONFIG;
req.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
req.PageAddress = PageAddress;
req.Header = header;
req.Header.PageLength = reply.Header.PageLength;
if (reply.Header.PageLength == 0)
req.Header.PageLength = 4;
len = req.Header.PageLength * 4;
buf = malloc(len);
if (mps_pass_command(fd, &req, sizeof(req), &reply, sizeof(reply),
buf, len, NULL, 0, 30)) {
error = errno;
free(buf);
errno = error;
return (NULL);
}
if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
if (IOCStatus != NULL)
*IOCStatus = reply.IOCStatus;
else
warnx("Reading config page failed: 0x%x %s",
reply.IOCStatus, mps_ioc_status(reply.IOCStatus));
free(buf);
errno = EIO;
return (NULL);
}
return (buf);
}
void *
mps_read_extended_config_page(int fd, U8 ExtPageType, U8 PageVersion,
U8 PageNumber, U32 PageAddress, U16 *IOCStatus)
{
MPI2_CONFIG_REQUEST req;
MPI2_CONFIG_PAGE_HEADER header;
MPI2_CONFIG_REPLY reply;
U16 pagelen;
void *buf;
int error, len;
if (IOCStatus != NULL)
*IOCStatus = MPI2_IOCSTATUS_SUCCESS;
bzero(&header, sizeof(header));
error = mps_read_ext_config_page_header(fd, ExtPageType, PageNumber,
PageAddress, &header, &pagelen, IOCStatus);
if (error) {
errno = error;
return (NULL);
}
bzero(&req, sizeof(req));
req.Function = MPI2_FUNCTION_CONFIG;
req.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
req.PageAddress = PageAddress;
req.Header = header;
if (pagelen == 0)
pagelen = 4;
req.ExtPageLength = pagelen;
req.ExtPageType = ExtPageType;
len = pagelen * 4;
buf = malloc(len);
if (mps_pass_command(fd, &req, sizeof(req), &reply, sizeof(reply),
buf, len, NULL, 0, 30)) {
error = errno;
free(buf);
errno = error;
return (NULL);
}
if (!IOC_STATUS_SUCCESS(reply.IOCStatus)) {
if (IOCStatus != NULL)
*IOCStatus = reply.IOCStatus;
else
warnx("Reading extended config page failed: %s",
mps_ioc_status(reply.IOCStatus));
free(buf);
errno = EIO;
return (NULL);
}
return (buf);
}
int
mps_firmware_send(int fd, unsigned char *fw, uint32_t len, bool bios)
{
MPI2_FW_DOWNLOAD_REQUEST req;
MPI2_FW_DOWNLOAD_REPLY reply;
bzero(&req, sizeof(req));
bzero(&reply, sizeof(reply));
req.Function = MPI2_FUNCTION_FW_DOWNLOAD;
req.ImageType = bios ? MPI2_FW_DOWNLOAD_ITYPE_BIOS : MPI2_FW_DOWNLOAD_ITYPE_FW;
req.TotalImageSize = len;
req.MsgFlags = MPI2_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
if (mps_user_command(fd, &req, sizeof(req), &reply, sizeof(reply),
fw, len, 0)) {
return (-1);
}
return (0);
}
int
mps_firmware_get(int fd, unsigned char **firmware, bool bios)
{
MPI2_FW_UPLOAD_REQUEST req;
MPI2_FW_UPLOAD_REPLY reply;
int size;
*firmware = NULL;
bzero(&req, sizeof(req));
bzero(&reply, sizeof(reply));
req.Function = MPI2_FUNCTION_FW_UPLOAD;
req.ImageType = bios ? MPI2_FW_DOWNLOAD_ITYPE_BIOS : MPI2_FW_DOWNLOAD_ITYPE_FW;
if (mps_user_command(fd, &req, sizeof(req), &reply, sizeof(reply),
NULL, 0, 0)) {
return (-1);
}
if (reply.ActualImageSize == 0) {
return (-1);
}
size = reply.ActualImageSize;
*firmware = calloc(1, sizeof(unsigned char) * size);
if (*firmware == NULL) {
warn("calloc");
return (-1);
}
if (mps_user_command(fd, &req, sizeof(req), &reply, sizeof(reply),
*firmware, size, 0)) {
free(*firmware);
return (-1);
}
return (size);
}
#else
int
mps_read_config_page_header(int fd, U8 PageType, U8 PageNumber, U32 PageAddress,
MPI2_CONFIG_PAGE_HEADER *header, U16 *IOCStatus)
{
struct mps_cfg_page_req req;
if (IOCStatus != NULL)
*IOCStatus = MPI2_IOCSTATUS_SUCCESS;
if (header == NULL)
return (EINVAL);
bzero(&req, sizeof(req));
req.header.PageType = PageType;
req.header.PageNumber = PageNumber;
req.page_address = PageAddress;
if (ioctl(fd, MPSIO_READ_CFG_HEADER, &req) < 0)
return (errno);
if (!IOC_STATUS_SUCCESS(req.ioc_status)) {
if (IOCStatus != NULL)
*IOCStatus = req.ioc_status;
return (EIO);
}
bcopy(&req.header, header, sizeof(*header));
return (0);
}
void *
mps_read_config_page(int fd, U8 PageType, U8 PageNumber, U32 PageAddress,
U16 *IOCStatus)
{
struct mps_cfg_page_req req;
void *buf;
int error;
error = mps_read_config_page_header(fd, PageType, PageNumber,
PageAddress, &req.header, IOCStatus);
if (error) {
errno = error;
return (NULL);
}
if (req.header.PageLength == 0)
req.header.PageLength = 4;
req.len = req.header.PageLength * 4;
buf = malloc(req.len);
req.buf = buf;
bcopy(&req.header, buf, sizeof(req.header));
if (ioctl(fd, MPSIO_READ_CFG_PAGE, &req) < 0) {
error = errno;
free(buf);
errno = error;
return (NULL);
}
if (!IOC_STATUS_SUCCESS(req.ioc_status)) {
if (IOCStatus != NULL)
*IOCStatus = req.ioc_status;
else
warnx("Reading config page failed: 0x%x %s",
req.ioc_status, mps_ioc_status(req.ioc_status));
free(buf);
errno = EIO;
return (NULL);
}
return (buf);
}
void *
mps_read_extended_config_page(int fd, U8 ExtPageType, U8 PageVersion,
U8 PageNumber, U32 PageAddress, U16 *IOCStatus)
{
struct mps_ext_cfg_page_req req;
void *buf;
int error;
if (IOCStatus != NULL)
*IOCStatus = MPI2_IOCSTATUS_SUCCESS;
bzero(&req, sizeof(req));
req.header.PageVersion = PageVersion;
req.header.PageNumber = PageNumber;
req.header.ExtPageType = ExtPageType;
req.page_address = PageAddress;
if (ioctl(fd, MPSIO_READ_EXT_CFG_HEADER, &req) < 0)
return (NULL);
if (!IOC_STATUS_SUCCESS(req.ioc_status)) {
if (IOCStatus != NULL)
*IOCStatus = req.ioc_status;
else
warnx("Reading extended config page header failed: %s",
mps_ioc_status(req.ioc_status));
errno = EIO;
return (NULL);
}
req.len = req.header.ExtPageLength * 4;
buf = malloc(req.len);
req.buf = buf;
bcopy(&req.header, buf, sizeof(req.header));
if (ioctl(fd, MPSIO_READ_EXT_CFG_PAGE, &req) < 0) {
error = errno;
free(buf);
errno = error;
return (NULL);
}
if (!IOC_STATUS_SUCCESS(req.ioc_status)) {
if (IOCStatus != NULL)
*IOCStatus = req.ioc_status;
else
warnx("Reading extended config page failed: %s",
mps_ioc_status(req.ioc_status));
free(buf);
errno = EIO;
return (NULL);
}
return (buf);
}
#endif
int
mps_open(int unit)
{
char path[MAXPATHLEN];
snprintf(path, sizeof(path), "/dev/mp%s%d", is_mps ? "s": "r", unit);
return (open(path, O_RDWR));
}
int
mps_user_command(int fd, void *req, uint32_t req_len, void *reply,
uint32_t reply_len, void *buffer, int len, uint32_t flags)
{
struct mps_usr_command cmd;
bzero(&cmd, sizeof(struct mps_usr_command));
cmd.req = req;
cmd.req_len = req_len;
cmd.rpl = reply;
cmd.rpl_len = reply_len;
cmd.buf = buffer;
cmd.len = len;
cmd.flags = flags;
if (ioctl(fd, is_mps ? MPSIO_MPS_COMMAND : MPRIO_MPR_COMMAND, &cmd) < 0)
return (errno);
return (0);
}
int
mps_pass_command(int fd, void *req, uint32_t req_len, void *reply,
uint32_t reply_len, void *data_in, uint32_t datain_len, void *data_out,
uint32_t dataout_len, uint32_t timeout)
{
struct mprs_pass_thru pass;
pass.PtrRequest = (uint64_t)(uintptr_t)req;
pass.PtrReply = (uint64_t)(uintptr_t)reply;
pass.PtrData = (uint64_t)(uintptr_t)data_in;
pass.PtrDataOut = (uint64_t)(uintptr_t)data_out;
pass.RequestSize = req_len;
pass.ReplySize = reply_len;
pass.DataSize = datain_len;
pass.DataOutSize = dataout_len;
if (datain_len && dataout_len) {
if (is_mps) {
pass.DataDirection = MPS_PASS_THRU_DIRECTION_BOTH;
} else {
pass.DataDirection = MPR_PASS_THRU_DIRECTION_BOTH;
}
} else if (datain_len) {
if (is_mps) {
pass.DataDirection = MPS_PASS_THRU_DIRECTION_READ;
} else {
pass.DataDirection = MPR_PASS_THRU_DIRECTION_READ;
}
} else if (dataout_len) {
if (is_mps) {
pass.DataDirection = MPS_PASS_THRU_DIRECTION_WRITE;
} else {
pass.DataDirection = MPR_PASS_THRU_DIRECTION_WRITE;
}
} else {
if (is_mps) {
pass.DataDirection = MPS_PASS_THRU_DIRECTION_NONE;
} else {
pass.DataDirection = MPR_PASS_THRU_DIRECTION_NONE;
}
}
pass.Timeout = timeout;
if (ioctl(fd, MPTIOCTL_PASS_THRU, &pass) < 0)
return (errno);
return (0);
}
MPI2_IOC_FACTS_REPLY *
mps_get_iocfacts(int fd)
{
MPI2_IOC_FACTS_REPLY *facts;
MPI2_IOC_FACTS_REQUEST req;
int error;
facts = malloc(sizeof(MPI2_IOC_FACTS_REPLY));
if (facts == NULL) {
errno = ENOMEM;
return (NULL);
}
bzero(&req, sizeof(MPI2_IOC_FACTS_REQUEST));
req.Function = MPI2_FUNCTION_IOC_FACTS;
#if 1
error = mps_pass_command(fd, &req, sizeof(MPI2_IOC_FACTS_REQUEST),
facts, sizeof(MPI2_IOC_FACTS_REPLY), NULL, 0, NULL, 0, 10);
#else
error = mps_user_command(fd, &req, sizeof(MPI2_IOC_FACTS_REQUEST),
facts, sizeof(MPI2_IOC_FACTS_REPLY), NULL, 0, 0);
#endif
if (error) {
free(facts);
return (NULL);
}
if (!IOC_STATUS_SUCCESS(facts->IOCStatus)) {
free(facts);
errno = EINVAL;
return (NULL);
}
return (facts);
}