OpenSolaris_b135/lib/cfgadm_plugins/sdcard/common/cfga_sdcard.c
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/param.h>
#include <sys/stat.h>
#include <errno.h>
#include <string.h>
#include <dirent.h>
#include "cfga_sdcard.h"
/*
* This file contains the entry points to the plug-in as defined in the
* config_admin(3X) man page.
*/
/*
* Set the version number for the cfgadm library's use.
*/
int cfga_version = CFGA_HSL_V2;
enum {
HELP_HEADER = 1,
HELP_CONFIG,
HELP_RESET_SLOT,
HELP_UNKNOWN
};
/* SDCARD specific help messages */
static char *sdcard_help[] = {
NULL,
"SD card specific commands:\n",
" cfgadm -c [configure|unconfigure|disconnect|connect] ap_id "
"[ap_id...]\n",
" cfgadm -x sdcard_reset_slot ap_id [ap_id...]\n",
"\tunknown command or option:\n",
NULL
}; /* End help messages */
/*
* Messages.
*/
static msgcvt_t sdcard_msgs[] = {
/* CFGA_SDCARD_OK */
{ CVT, CFGA_OK, "" },
/* CFGA_SDCARD_NACK */
{ CVT, CFGA_NACK, "" },
/* CFGA_SDCARD_UNKNOWN / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Unknown message; internal error" },
/* CFGA_SDCARD_PRIV / CFGA_PRIV -> "Insufficient privileges" */
{ CVT, CFGA_PRIV, "" },
/*
* CFGA_SDCARD_DYNAMIC_AP /
* CFGA_LIB_ERROR -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "Cannot identify attached device" },
/* CFGA_SDCARD_INTERNAL_ERROR / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Internal error" },
/* CFGA_SDCARD_ALLOC_FAIL / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Memory allocation failure" },
/* CFGA_SDCARD_IOCTL / CFGA_ERROR -> "Hardware specific failure" */
{ CVT, CFGA_ERROR, "Driver ioctl failed " },
/* CFGA_SDCARD_DEVCTL / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Internal error: "
"Cannot allocate devctl handle " },
/* CFGA_SDCARD_AP / CFGA_APID_NOEXIST -> "Attachment point not found" */
{ CVT, CFGA_APID_NOEXIST, "" },
/*
* CFGA_SDCARD_BUSY /
* CFGA_SYSTEM_BUSY -> "System is busy, try again"
*/
{ CVT, CFGA_SYSTEM_BUSY, "" },
/* CFGA_SDCARD_DEVLINK / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Could not find /dev/cfg link for " },
/*
* CFGA_SDCARD_INVALID_DEVNAME /
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "Cannot specify device name" },
/* CFGA_SDCARD_DATA_ERROR / CFGA_DATA_ERROR -> "Data error" */
{ CVT, CFGA_DATA_ERROR, "cfgadm data error" },
/*
* CFGA_SDCARD_DEV_CONFIGURE /
* CFGA_ERROR -> "Hardware specific failure"
*/
{ CVT, CFGA_ERROR, "Failed to config device at " },
/*
* CFGA_SDCARD_DEV_UNCONFIGURE /
* CFGA_ERROR -> "Hardware specific failure"
*/
{ CVT, CFGA_ERROR, "Failed to unconfig device at " },
/*
* CFGA_SDCARD_NOT_CONNECTED
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "No device connected to " },
/*
* CFGA_SDCARD_DISCONNECTED
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "Slot already disconnected at " },
/*
* CFGA_SDCARD_NOT_CONFIGURED /
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "No device configured at " },
/*
* CFGA_SDCARD_ALREADY_CONNECTED /
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "Device already connected to " },
/*
* CFGA_SDCARD_ALREADY_CONFIGURED /
* CFGA_INVAL -> "Configuration operation invalid"
*/
{ CVT, CFGA_INVAL, "Device already configured at " },
/* CFGA_SDCARD_DEVICE_UNCONFIGURED */
{ CVT, CFGA_OK, "Device unconfigured prior to disconnect" },
/*
* CFGA_SDCARD_OPNOTSUPP /
* CFGA_OPNOTSUPP -> "Configuration operation not supported"
*/
{ CVT, CFGA_OPNOTSUPP, "Operation not supported" },
/*
* CFGA_SDCARD_HWOPNOTSUPP /
* CFGA_ERROR -> "Hardware specific failure"
*/
{ CVT, CFGA_ERROR, "Hardware specific operation not supported" },
/* CFGA_SDCARD_OPTIONS / CFGA_ERROR -> "Hardware specific failure" */
{ CVT, CFGA_ERROR, "Hardware specific option not supported" },
/* CFGA_SDCARD_STATE / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Internal error: Unrecognized ap state" },
/* CFGA_SDCARD_OPEN / CFGA_LIB_ERROR -> "Library error" */
{ CVT, CFGA_LIB_ERROR, "Cannot open " },
/*
* CFGA_SDCARD_RCM_HANDLE /
* CFGA_ERROR -> "Hardware specific failure"
*/
{ CVT, CFGA_ERROR, "cannot get RCM handle"},
/*
* CFGA_SDCARD_RCM_OFFLINE /
* CFGA_SYSTEM_BUSY -> "System is busy, try again"
*/
{ CVT, CFGA_SYSTEM_BUSY, "failed to offline: "},
/*
* CFGA_SDCARD_RCM_REMOVE /
* CFGA_SYSTEM_BUSY -> "System is busy, try again"
*/
{ CVT, CFGA_SYSTEM_BUSY, "failed to remove: "},
/*
* CFGA_SDCARD_RCM_ONLINE /
* CFGA_SYSTEM_BUSY -> "System is busy, try again"
*/
{ CVT, CFGA_ERROR, "failed to online: "},
/* CFGA_SDCARD_CONFIRM_RESET */
{ CVT, CFGA_OK, "Reset the device at %s?\n"
"This will operation will disrupt activity on the SD card.\n"
"Continue"
},
/* CFGA_SDCARD_CONFIRM_UNCONFIGURE */
{ CVT, CFGA_OK, "Unconfigure the device at %s?\n"
"This will operation will disrupt activity on the SD card.\n"
"Continue"
},
/* CFGA_SDCARD_CONFIRM_DISCONNECT */
{ CVT, CFGA_OK, "Disconnect the device at %s?\n"
"This will operation will disrupt activity on the SD card.\n"
"Continue"
}
};
static cfga_err_t
sdcard_err_msg(char **errstring, cfga_sdcard_ret_t ret, const char *, int);
static cfga_sdcard_ret_t
verify_params(const char *ap_id, const char *options, char **errstring);
static cfga_sdcard_ret_t
setup_for_devctl_cmd(const char *ap_id, devctl_hdl_t *devctl_hdl, uint_t oflag);
static cfga_sdcard_ret_t
slot_state(devctl_hdl_t hdl, ap_rstate_t *rstate, ap_ostate_t *ostate);
static cfga_sdcard_ret_t
do_control_ioctl(const char *ap_id, int subcommand, void *data, size_t size);
static void
cleanup_after_devctl_cmd(devctl_hdl_t devctl_hdl);
static cfga_sdcard_ret_t
sdcard_get_devicepath(const char *ap_id, char *devpath);
static cfga_sdcard_ret_t
sdcard_reset_slot(const char *ap_id);
static int
sdcard_confirm(struct cfga_confirm *confp, char *msg);
static cfga_sdcard_ret_t
sdcard_rcm_offline(char *, char **, cfga_flags_t);
static void
sdcard_rcm_online(char *, char **);
static void
sdcard_rcm_remove(char *, char **);
static void
sdcard_rcm_info_table(rcm_info_t *, char **);
static cfga_sdcard_ret_t
sdcard_rcm_init(void);
/* Utilities */
static cfga_sdcard_ret_t
physpath_to_devlink(const char *basedir, const char *node_path,
char **logpp, int *l_errnop)
{
char *linkpath;
char *buf;
char *real_path;
DIR *dp;
struct dirent *dep, *newdep;
int deplen;
boolean_t found = B_FALSE;
int err = 0;
struct stat sb;
char *p;
cfga_sdcard_ret_t rv = CFGA_SDCARD_INTERNAL_ERROR;
/*
* Using libdevinfo for this is overkill and kills performance
* when multiple consumers of libcfgadm are executing
* concurrently.
*/
if ((dp = opendir(basedir)) == NULL) {
*l_errnop = errno;
return (CFGA_SDCARD_INTERNAL_ERROR);
}
linkpath = malloc(PATH_MAX);
buf = malloc(PATH_MAX);
real_path = malloc(PATH_MAX);
deplen = pathconf(basedir, _PC_NAME_MAX);
deplen = (deplen <= 0 ? MAXNAMELEN : deplen) +
sizeof (struct dirent);
dep = (struct dirent *)malloc(deplen);
if (dep == NULL || linkpath == NULL || buf == NULL ||
real_path == NULL) {
*l_errnop = ENOMEM;
rv = CFGA_SDCARD_ALLOC_FAIL;
goto pp_cleanup;
}
*logpp = NULL;
while (!found && (err = readdir_r(dp, dep, &newdep)) == 0 &&
newdep != NULL) {
assert(newdep == dep);
if (strcmp(dep->d_name, ".") == 0 ||
strcmp(dep->d_name, "..") == 0)
continue;
(void) snprintf(linkpath, MAXPATHLEN,
"%s/%s", basedir, dep->d_name);
if (lstat(linkpath, &sb) < 0)
continue;
if (S_ISDIR(sb.st_mode)) {
if ((rv = physpath_to_devlink(linkpath, node_path,
logpp, l_errnop)) != CFGA_SDCARD_OK) {
goto pp_cleanup;
}
if (*logpp != NULL)
found = B_TRUE;
} else if (S_ISLNK(sb.st_mode)) {
bzero(buf, PATH_MAX);
if (readlink(linkpath, buf, PATH_MAX) < 0)
continue;
/*
* realpath() is too darn slow, so fake
* it, by using what we know about /dev
* links: they are always of the form:
* <"../">+/devices/<path>
*/
p = buf;
while (strncmp(p, "../", 3) == 0)
p += 3;
if (p != buf)
p--; /* back up to get a slash */
assert (*p == '/');
if (strcmp(p, node_path) == 0) {
*logpp = strdup(linkpath);
if (*logpp == NULL) {
rv = CFGA_SDCARD_ALLOC_FAIL;
goto pp_cleanup;
}
found = B_TRUE;
}
}
}
free(linkpath);
free(buf);
free(real_path);
free(dep);
(void) closedir(dp);
if (err != 0) {
*l_errnop = err;
return (CFGA_SDCARD_INTERNAL_ERROR);
}
return (CFGA_SDCARD_OK);
pp_cleanup:
if (dp)
(void) closedir(dp);
if (dep)
free(dep);
if (linkpath)
free(linkpath);
if (buf)
free(buf);
if (real_path)
free(real_path);
if (*logpp) {
free(*logpp);
*logpp = NULL;
}
return (rv);
}
/*
* Given the index into a table (msgcvt_t) of messages, get the message
* string, converting it to the proper locale if necessary.
* NOTE: Indexes are defined in cfga_sdcard.h
*/
static const char *
get_msg(uint_t msg_index, msgcvt_t *msg_tbl, uint_t tbl_size)
{
if (msg_index >= tbl_size) {
msg_index = CFGA_SDCARD_UNKNOWN;
}
return ((msg_tbl[msg_index].intl) ?
dgettext(TEXT_DOMAIN, msg_tbl[msg_index].msgstr) :
msg_tbl[msg_index].msgstr);
}
/*
* Allocates and creates a message string (in *ret_str),
* by concatenating all the (char *) args together, in order.
* Last arg MUST be NULL.
*/
static void
set_msg(char **ret_str, ...)
{
char *str;
size_t total_len;
va_list valist;
va_start(valist, ret_str);
total_len = (*ret_str == NULL) ? 0 : strlen(*ret_str);
while ((str = va_arg(valist, char *)) != NULL) {
size_t len = strlen(str);
char *old_str = *ret_str;
*ret_str = (char *)realloc(*ret_str, total_len + len + 1);
if (*ret_str == NULL) {
/* We're screwed */
free(old_str);
va_end(valist);
return;
}
(void) strcpy(*ret_str + total_len, str);
total_len += len;
}
va_end(valist);
}
/*
* Error message handling.
* For the rv passed in, looks up the corresponding error message string(s),
* internationalized if necessary, and concatenates it into a new
* memory buffer, and points *errstring to it.
* Note not all rvs will result in an error message return, as not all
* error conditions warrant an SD-specific error message - for those
* conditions the cfgadm generic messages are sufficient.
*
* Some messages may display ap_id or errno, which is why they are passed
* in.
*/
cfga_err_t
sdcard_err_msg(
char **errstring,
cfga_sdcard_ret_t rv,
const char *ap_id,
int l_errno)
{
if (errstring == NULL) {
return (sdcard_msgs[rv].cfga_err);
}
/*
* Generate the appropriate SDCARD-specific error message(s) (if any).
*/
switch (rv) {
case CFGA_SDCARD_OK:
case CFGA_NACK:
/* Special case - do nothing. */
break;
case CFGA_SDCARD_UNKNOWN:
case CFGA_SDCARD_PRIV:
case CFGA_SDCARD_DYNAMIC_AP:
case CFGA_SDCARD_INTERNAL_ERROR:
case CFGA_SDCARD_ALLOC_FAIL:
case CFGA_SDCARD_DATA_ERROR:
case CFGA_SDCARD_OPNOTSUPP:
case CFGA_SDCARD_OPTIONS:
case CFGA_SDCARD_STATE:
/* These messages require no additional strings passed. */
set_msg(errstring, ERR_STR(rv), NULL);
break;
case CFGA_SDCARD_HWOPNOTSUPP:
/* hardware-specific help needed */
set_msg(errstring, ERR_STR(rv), NULL);
set_msg(errstring, "\n",
dgettext(TEXT_DOMAIN, sdcard_help[HELP_HEADER]), NULL);
set_msg(errstring, sdcard_help[HELP_RESET_SLOT], NULL);
break;
case CFGA_SDCARD_AP:
case CFGA_SDCARD_BUSY:
case CFGA_SDCARD_DEVLINK:
case CFGA_SDCARD_DEV_CONFIGURE:
case CFGA_SDCARD_DEV_UNCONFIGURE:
case CFGA_SDCARD_NOT_CONNECTED:
case CFGA_SDCARD_DISCONNECTED:
case CFGA_SDCARD_NOT_CONFIGURED:
case CFGA_SDCARD_ALREADY_CONNECTED:
case CFGA_SDCARD_ALREADY_CONFIGURED:
case CFGA_SDCARD_RCM_HANDLE:
case CFGA_SDCARD_RCM_ONLINE:
case CFGA_SDCARD_RCM_OFFLINE:
case CFGA_SDCARD_RCM_REMOVE:
/* These messages also print ap_id. */
set_msg(errstring, ERR_STR(rv), "ap_id: ", ap_id, "", NULL);
break;
case CFGA_SDCARD_IOCTL:
/* These messages also print errno. */
{
char *errno_str = l_errno ? strerror(l_errno) : "";
set_msg(errstring, ERR_STR(rv), errno_str,
l_errno ? "\n" : "", NULL);
break;
}
case CFGA_SDCARD_OPEN:
/* These messages also apid and errno. */
{
char *errno_str = l_errno ? strerror(l_errno) : "";
set_msg(errstring, ERR_STR(rv), "ap_id: ", ap_id, "\n",
errno_str, l_errno ? "\n" : "", NULL);
break;
}
default:
set_msg(errstring, ERR_STR(CFGA_SDCARD_INTERNAL_ERROR), NULL);
} /* end switch */
/*
* Determine the proper error code to send back to the cfgadm library.
*/
return (sdcard_msgs[rv].cfga_err);
}
/*
* Entry points
*/
/* cfgadm entry point */
/*ARGSUSED*/
cfga_err_t
cfga_change_state(
cfga_cmd_t state_change_cmd,
const char *ap_id,
const char *options,
struct cfga_confirm *confp,
struct cfga_msg *msgp,
char **errstring,
cfga_flags_t flags)
{
int ret;
ap_rstate_t rstate;
ap_ostate_t ostate;
devctl_hdl_t hdl = NULL;
cfga_sdcard_ret_t rv = CFGA_SDCARD_OK;
char *pdyn;
int i;
char devpath[MAXPATHLEN];
char msg[256];
/*
* All sub-commands which can change state of device require
* root privileges.
*/
if (geteuid() != 0) {
rv = CFGA_SDCARD_PRIV;
goto bailout;
}
if ((rv = verify_params(ap_id, options, errstring)) != CFGA_SDCARD_OK) {
(void) cfga_help(msgp, options, flags);
goto bailout;
}
if ((rv = setup_for_devctl_cmd(ap_id, &hdl, DC_RDONLY)) !=
CFGA_SDCARD_OK) {
goto bailout;
}
switch (state_change_cmd) {
case CFGA_CMD_CONFIGURE:
if ((rv = slot_state(hdl, &rstate, &ostate)) != CFGA_SDCARD_OK)
goto bailout;
if (ostate == AP_OSTATE_CONFIGURED) {
rv = CFGA_SDCARD_ALREADY_CONFIGURED;
goto bailout;
}
/* Disallow dynamic AP name component */
if (GET_DYN(ap_id) != NULL) {
rv = CFGA_SDCARD_INVALID_DEVNAME;
goto bailout;
}
if (rstate == AP_RSTATE_EMPTY) {
rv = CFGA_SDCARD_NOT_CONNECTED;
goto bailout;
}
rv = CFGA_SDCARD_OK;
if (devctl_ap_configure(hdl, NULL) != 0) {
rv = CFGA_SDCARD_DEV_CONFIGURE;
goto bailout;
}
for (i = 0; i < 15; i++) {
/*
* We wait up to ~30 seconds for this to complete.
* Hotplug is done asynchronously.
*/
rv = sdcard_get_devicepath(ap_id, devpath);
if (rv == CFGA_SDCARD_OK)
break;
(void) sleep(2);
}
if (rv != CFGA_SDCARD_OK) {
rv = CFGA_SDCARD_DEV_CONFIGURE;
goto bailout;
}
break;
case CFGA_CMD_UNCONFIGURE:
if ((rv = slot_state(hdl, &rstate, &ostate)) != CFGA_SDCARD_OK)
goto bailout;
if (rstate != AP_RSTATE_CONNECTED) {
rv = CFGA_SDCARD_NOT_CONNECTED;
goto bailout;
}
if (ostate != AP_OSTATE_CONFIGURED) {
rv = CFGA_SDCARD_NOT_CONFIGURED;
goto bailout;
}
/* Strip off AP name dynamic component, if present */
if ((pdyn = GET_DYN(ap_id)) != NULL) {
*pdyn = '\0';
}
rv = CFGA_SDCARD_OK;
/*LINTED E_SEC_PRINTF_VAR_FMT*/
(void) snprintf(msg, sizeof (msg),
ERR_STR(CFGA_SDCARD_CONFIRM_UNCONFIGURE), ap_id);
if (!sdcard_confirm(confp, msg)) {
rv = CFGA_SDCARD_NACK;
break;
}
if (sdcard_get_devicepath(ap_id, devpath) != CFGA_SDCARD_OK) {
(void) printf("cfga_change_state: "
"get device path failed\n");
rv = CFGA_SDCARD_DEV_UNCONFIGURE;
break;
}
rv = sdcard_rcm_offline(devpath, errstring, flags);
if (rv != CFGA_SDCARD_OK) {
break;
}
ret = devctl_ap_unconfigure(hdl, NULL);
if (ret != 0) {
rv = CFGA_SDCARD_DEV_UNCONFIGURE;
if (errno == EBUSY) {
rv = CFGA_SDCARD_BUSY;
}
sdcard_rcm_online(devpath, errstring);
} else {
sdcard_rcm_remove(devpath, errstring);
}
break;
case CFGA_CMD_DISCONNECT:
if ((rv = slot_state(hdl, &rstate, &ostate)) != CFGA_SDCARD_OK)
goto bailout;
if (rstate == AP_RSTATE_DISCONNECTED) {
rv = CFGA_SDCARD_DISCONNECTED;
goto bailout;
}
/* Strip off AP name dynamic component, if present */
if ((pdyn = GET_DYN(ap_id)) != NULL) {
*pdyn = '\0';
}
rv = CFGA_SDCARD_OK; /* other statuses don't matter */
/*
* If the port originally with device attached and was
* unconfigured already, the devicepath for the sd will be
* removed. sdcard_get_devicepath in this case is not necessary.
*/
/* only call rcm_offline if the state was CONFIGURED */
if (ostate == AP_OSTATE_CONFIGURED) {
if (sdcard_get_devicepath(ap_id, devpath) !=
CFGA_SDCARD_OK) {
(void) printf(
"cfga_change_state: get path failed\n");
rv = CFGA_SDCARD_DEV_UNCONFIGURE;
break;
}
/*LINTED E_SEC_PRINTF_VAR_FMT*/
(void) snprintf(msg, sizeof (msg),
ERR_STR(CFGA_SDCARD_CONFIRM_DISCONNECT), ap_id);
if (!sdcard_confirm(confp, msg)) {
rv = CFGA_SDCARD_NACK;
break;
}
rv = sdcard_rcm_offline(devpath, errstring, flags);
if (rv != CFGA_SDCARD_OK) {
break;
}
ret = devctl_ap_unconfigure(hdl, NULL);
if (ret != 0) {
(void) printf(
"devctl_ap_unconfigure failed\n");
rv = CFGA_SDCARD_DEV_UNCONFIGURE;
if (errno == EBUSY)
rv = CFGA_SDCARD_BUSY;
sdcard_rcm_online(devpath, errstring);
/*
* The current policy is that if unconfigure
* failed, do not continue with disconnect.
*/
break;
} else {
(void) printf("%s\n",
ERR_STR(CFGA_SDCARD_DEVICE_UNCONFIGURED));
sdcard_rcm_remove(devpath, errstring);
}
} else if (rstate == AP_RSTATE_CONNECTED ||
rstate == AP_RSTATE_EMPTY) {
/*LINTED E_SEC_PRINTF_VAR_FMT*/
(void) snprintf(msg, sizeof (msg),
ERR_STR(CFGA_SDCARD_CONFIRM_DISCONNECT), ap_id);
if (!sdcard_confirm(confp, msg)) {
rv = CFGA_SDCARD_NACK;
break;
}
}
ret = devctl_ap_disconnect(hdl, NULL);
if (ret != 0) {
rv = CFGA_SDCARD_IOCTL;
if (errno == EBUSY) {
rv = CFGA_SDCARD_BUSY;
}
}
break;
case CFGA_CMD_CONNECT:
if ((rv = slot_state(hdl, &rstate, &ostate)) != CFGA_SDCARD_OK)
goto bailout;
if (rstate == AP_RSTATE_CONNECTED) {
rv = CFGA_SDCARD_ALREADY_CONNECTED;
goto bailout;
}
/* Disallow dynamic AP name component */
if (GET_DYN(ap_id) != NULL) {
rv = CFGA_SDCARD_INVALID_DEVNAME;
goto bailout;
}
ret = devctl_ap_connect(hdl, NULL);
if (ret != 0) {
rv = CFGA_SDCARD_IOCTL;
} else {
rv = CFGA_SDCARD_OK;
}
break;
case CFGA_CMD_LOAD:
case CFGA_CMD_UNLOAD:
(void) cfga_help(msgp, options, flags);
rv = CFGA_SDCARD_OPNOTSUPP;
break;
case CFGA_CMD_NONE:
default:
(void) cfga_help(msgp, options, flags);
rv = CFGA_SDCARD_INTERNAL_ERROR;
}
bailout:
cleanup_after_devctl_cmd(hdl);
return (sdcard_err_msg(errstring, rv, ap_id, errno));
}
/* cfgadm entry point */
/*ARGSUSED*/
cfga_err_t
cfga_private_func(
const char *func,
const char *ap_id,
const char *options,
struct cfga_confirm *confp,
struct cfga_msg *msgp,
char **errstring,
cfga_flags_t flags)
{
devctl_hdl_t hdl = NULL;
cfga_sdcard_ret_t rv;
char *str_p;
char msg[256];
if ((rv = verify_params(ap_id, NULL, errstring)) != CFGA_SDCARD_OK) {
(void) cfga_help(msgp, options, flags);
return (sdcard_err_msg(errstring, rv, ap_id, errno));
}
/*
* All subcommands which can change state of device require
* root privileges.
*/
if (geteuid() != 0) {
rv = CFGA_SDCARD_PRIV;
goto bailout;
}
if (func == NULL) {
rv = CFGA_SDCARD_OPTIONS;
goto bailout;
}
if ((rv = setup_for_devctl_cmd(ap_id, &hdl, 0)) != CFGA_SDCARD_OK) {
goto bailout;
}
/* We do not care here about dynamic AP name component */
if ((str_p = GET_DYN(ap_id)) != NULL) {
*str_p = '\0';
}
if (strcmp(func, RESET_SLOT) == 0) {
/*LINTED E_SEC_PRINTF_VAR_FMT*/
(void) snprintf(msg, sizeof (msg),
ERR_STR(CFGA_SDCARD_CONFIRM_RESET), ap_id);
if (!sdcard_confirm(confp, msg)) {
rv = CFGA_SDCARD_NACK;
goto bailout;
}
if ((rv = sdcard_reset_slot(ap_id)) != CFGA_SDCARD_OK) {
goto bailout;
}
rv = CFGA_SDCARD_OK;
} else {
/* Unrecognized operation request */
rv = CFGA_SDCARD_HWOPNOTSUPP;
}
bailout:
cleanup_after_devctl_cmd(hdl);
return (sdcard_err_msg(errstring, rv, ap_id, errno));
}
/* cfgadm entry point */
/*ARGSUSED*/
cfga_err_t
cfga_test(
const char *ap_id,
const char *options,
struct cfga_msg *msgp,
char **errstring,
cfga_flags_t flags)
{
/* Should call ioctl for self test - phase 2 */
return (CFGA_OPNOTSUPP);
}
struct chk_dev {
int c_isblk;
char *c_minor;
};
/*ARGSUSED*/
static int
chk_dev_fcn(di_node_t node, di_minor_t minor, void *arg)
{
char *mn;
struct chk_dev *chkp = (struct chk_dev *)arg;
mn = di_minor_name(minor);
if (mn == NULL)
return (DI_WALK_CONTINUE);
if (strcmp(mn, chkp->c_minor) != 0)
return (DI_WALK_CONTINUE);
chkp->c_isblk = di_minor_spectype(minor) == S_IFBLK ? 1 : 0;
return (DI_WALK_TERMINATE);
}
/*
* Don't use devfs if stat() in /devices fails. Use libdevinfo instead.
* Retired devices don't show up in devfs.
*
* Returns:
* 1 - minor exists and is of type BLK
* 0 - minor does not exist or is not of type BLK.
*/
static int
is_devinfo_blk(char *minor_path)
{
char *minor_portion;
struct chk_dev chk_dev;
di_node_t node;
int rv;
/*
* prune minor path for di_init() - no /devices prefix and no minor name
*/
if (strncmp(minor_path, "/devices/", strlen("/devices/")) != 0)
return (0);
minor_portion = strrchr(minor_path, MINOR_SEP);
if (minor_portion == NULL)
return (0);
*minor_portion = 0;
node = di_init(minor_path + strlen("/devices"), DINFOMINOR);
*minor_portion = MINOR_SEP;
if (node == DI_NODE_NIL)
return (0);
chk_dev.c_isblk = 0;
chk_dev.c_minor = minor_portion + 1;
rv = di_walk_minor(node, NULL, 0, &chk_dev, chk_dev_fcn);
di_fini(node);
if (rv == 0 && chk_dev.c_isblk)
return (1);
else
return (0);
}
/*
* The dynamic component buffer returned by this function has to be freed!
*/
cfga_sdcard_ret_t
sdcard_make_dyncomp(const char *ap_id, char **dyncomp)
{
char *cp = NULL;
int l_errno;
char devpath[MAXPATHLEN];
char minor_path[MAXPATHLEN];
char name_part[MAXNAMELEN];
char *devlink = NULL;
char *minor_portion = NULL;
int deplen;
int err;
DIR *dp = NULL;
struct stat sb;
struct dirent *dep = NULL;
struct dirent *newdep = NULL;
char *p;
assert(dyncomp != NULL);
/*
* Get target node path
*/
if (sdcard_get_devicepath(ap_id, devpath) != CFGA_SDCARD_OK) {
(void) printf("cfga_list_ext: cannot locate target device\n");
return (CFGA_SDCARD_DYNAMIC_AP);
} else {
cp = strrchr(devpath, PATH_SEP);
assert(cp != NULL);
/*
* If the child node is the sdcard node, then what we really
* want is the grandchild. But we know that the grandchild
* will always be disk@0,0.
*/
if (strstr(cp, "/sdcard@") == cp) {
/* sdcard nodes have disk children, if any */
(void) strlcat(devpath, "/disk@0,0", sizeof (devpath));
cp = strrchr(cp, PATH_SEP);
}
*cp = 0; /* terminate path for opendir() */
(void) strncpy(name_part, cp + 1, MAXNAMELEN);
/*
* Using libdevinfo for this is overkill and kills
* performance when many consumers are using libcfgadm
* concurrently.
*/
if ((dp = opendir(devpath)) == NULL) {
goto bailout;
}
/*
* deplen is large enough to fit the largest path-
* struct dirent includes one byte (the terminator)
* so we don't add 1 to the calculation here.
*/
deplen = pathconf(devpath, _PC_NAME_MAX);
deplen = ((deplen <= 0) ? MAXNAMELEN : deplen) +
sizeof (struct dirent);
dep = (struct dirent *)malloc(deplen);
if (dep == NULL)
goto bailout;
while ((err = readdir_r(dp, dep, &newdep)) == 0 &&
newdep != NULL) {
assert(newdep == dep);
if (strcmp(dep->d_name, ".") == 0 ||
strcmp(dep->d_name, "..") == 0 ||
(minor_portion = strchr(dep->d_name,
MINOR_SEP)) == NULL)
continue;
*minor_portion = 0;
if (strcmp(dep->d_name, name_part) != 0)
continue;
*minor_portion = MINOR_SEP;
(void) snprintf(minor_path, MAXPATHLEN,
"%s/%s", devpath, dep->d_name);
/*
* If stat() fails, the device *may* be retired.
* Check via libdevinfo if the device has a BLK minor.
* We don't use libdevinfo all the time, since taking
* a snapshot is slower than a stat().
*/
if (stat(minor_path, &sb) < 0) {
if (is_devinfo_blk(minor_path)) {
break;
} else {
continue;
}
}
if (S_ISBLK(sb.st_mode))
break;
}
(void) closedir(dp);
free(dep);
dp = NULL;
dep = NULL;
/*
* If there was an error, or we didn't exit the loop
* by finding a block or character device, bail out.
*/
if (err != 0 || newdep == NULL)
goto bailout;
/*
* Look for links to the physical path in /dev/dsk,
* since we ONLY looked for BLOCK devices above.
*/
(void) physpath_to_devlink("/dev/dsk",
minor_path, &devlink, &l_errno);
/* postprocess and copy logical name here */
if (devlink != NULL) {
/*
* For disks, remove partition/slice info
*/
if ((cp = strstr(devlink, "dsk/")) != NULL) {
/* cXtYdZ[(s[0..15])|(p[0..X])] */
if ((p = strchr(cp + 4, 'd')) != NULL) {
p++; /* Skip the 'd' */
while (*p != 0 && isdigit(*p))
p++;
*p = 0;
}
*dyncomp = strdup(cp);
}
free(devlink);
}
return (CFGA_SDCARD_OK);
}
bailout:
if (dp)
(void) closedir(dp);
if (dep)
free(dep);
return (CFGA_SDCARD_DYNAMIC_AP);
}
void
sdcard_clean_string(char *s, int sz)
{
int len;
char *p;
/* ensure null termination */
s[sz - 1] = '\0';
p = s;
/* strip leading white space */
while (*p == ' ') p++;
(void) memmove(s, p, strlen(p));
len = strlen(s) - 1;
/* trim trailing space */
while ((len >= 0) && (s[len] == ' ')) {
s[len] = '\0';
len--;
}
for (/* nop */; len >= 0; len--) {
char c = s[len];
if (((c >= 'a') && (c <= 'z')) ||
((c >= 'A') && (c <= 'Z')) ||
((c >= '0') && (c <= '9')) ||
(c == '_') || (c == '+') || (c == '-'))
continue;
s[len] = '_';
}
}
/* cfgadm entry point */
/*ARGSUSED*/
cfga_err_t
cfga_list_ext(
const char *ap_id,
cfga_list_data_t **ap_id_list,
int *nlistp,
const char *options,
const char *listopts,
char **errstring,
cfga_flags_t flags)
{
int l_errno;
char *ap_id_log = NULL;
devctl_hdl_t devctl_hdl = NULL;
cfga_sdcard_ret_t rv = CFGA_SDCARD_OK;
devctl_ap_state_t devctl_ap_state;
char *pdyn;
if ((rv = verify_params(ap_id, options, errstring)) != CFGA_SDCARD_OK) {
(void) cfga_help(NULL, options, flags);
goto bailout;
}
/* We do not care here about dynamic AP name component */
if ((pdyn = GET_DYN(ap_id)) != NULL) {
*pdyn = '\0';
}
if (ap_id_list == NULL || nlistp == NULL) {
rv = CFGA_SDCARD_DATA_ERROR;
(void) cfga_help(NULL, options, flags);
goto bailout;
}
/* Get ap status */
if ((rv = setup_for_devctl_cmd(ap_id, &devctl_hdl, DC_RDONLY)) !=
CFGA_SDCARD_OK) {
goto bailout;
}
/* will call dc_cmd to send IOCTL to kernel */
if (devctl_ap_getstate(devctl_hdl, NULL, &devctl_ap_state) == -1) {
cleanup_after_devctl_cmd(devctl_hdl);
rv = CFGA_SDCARD_IOCTL;
goto bailout;
}
cleanup_after_devctl_cmd(devctl_hdl);
/*
* Create cfga_list_data_t struct.
*/
if ((*ap_id_list =
(cfga_list_data_t *)malloc(sizeof (**ap_id_list))) == NULL) {
rv = CFGA_SDCARD_ALLOC_FAIL;
goto bailout;
}
*nlistp = 1;
/*
* Rest of the code fills in the cfga_list_data_t struct.
*/
/* Get /dev/cfg path to corresponding to the physical ap_id */
/* Remember ap_id_log must be freed */
rv = physpath_to_devlink(CFGA_DEV_DIR, (char *)ap_id,
&ap_id_log, &l_errno);
if (rv != 0) {
rv = CFGA_SDCARD_DEVLINK;
goto bailout;
}
/* Get logical ap_id corresponding to the physical */
if (ap_id_log == NULL || strstr(ap_id_log, CFGA_DEV_DIR) == NULL) {
rv = CFGA_SDCARD_DEVLINK;
goto bailout;
}
(void) strlcpy((*ap_id_list)->ap_log_id,
/* Strip off /dev/cfg/ */ ap_id_log + strlen(CFGA_DEV_DIR)+ 1,
sizeof ((*ap_id_list)->ap_log_id));
free(ap_id_log);
ap_id_log = NULL;
(void) strlcpy((*ap_id_list)->ap_phys_id, ap_id,
sizeof ((*ap_id_list)->ap_phys_id));
switch (devctl_ap_state.ap_rstate) {
case AP_RSTATE_EMPTY:
(*ap_id_list)->ap_r_state = CFGA_STAT_EMPTY;
break;
case AP_RSTATE_DISCONNECTED:
(*ap_id_list)->ap_r_state = CFGA_STAT_DISCONNECTED;
break;
case AP_RSTATE_CONNECTED:
(*ap_id_list)->ap_r_state = CFGA_STAT_CONNECTED;
break;
default:
rv = CFGA_SDCARD_STATE;
goto bailout;
}
switch (devctl_ap_state.ap_ostate) {
case AP_OSTATE_CONFIGURED:
(*ap_id_list)->ap_o_state = CFGA_STAT_CONFIGURED;
break;
case AP_OSTATE_UNCONFIGURED:
(*ap_id_list)->ap_o_state = CFGA_STAT_UNCONFIGURED;
break;
default:
rv = CFGA_SDCARD_STATE;
goto bailout;
}
switch (devctl_ap_state.ap_condition) {
case AP_COND_OK:
(*ap_id_list)->ap_cond = CFGA_COND_OK;
break;
case AP_COND_FAILING:
(*ap_id_list)->ap_cond = CFGA_COND_FAILING;
break;
case AP_COND_FAILED:
(*ap_id_list)->ap_cond = CFGA_COND_FAILED;
break;
case AP_COND_UNUSABLE:
(*ap_id_list)->ap_cond = CFGA_COND_UNUSABLE;
break;
case AP_COND_UNKNOWN:
(*ap_id_list)->ap_cond = CFGA_COND_UNKNOWN;
break;
default:
rv = CFGA_SDCARD_STATE;
goto bailout;
}
(*ap_id_list)->ap_class[0] = '\0'; /* Filled by libcfgadm */
(*ap_id_list)->ap_busy = devctl_ap_state.ap_in_transition;
(*ap_id_list)->ap_status_time = devctl_ap_state.ap_last_change;
(*ap_id_list)->ap_info[0] = NULL;
if ((*ap_id_list)->ap_r_state == CFGA_STAT_CONNECTED) {
sda_card_info_t ci;
char *ct;
/*
* Fill in the 'Information' field for the -v option
*/
rv = do_control_ioctl(ap_id, SDA_CFGA_GET_CARD_INFO,
&ci, sizeof (ci));
if (rv != CFGA_SDCARD_OK) {
goto bailout;
}
switch (ci.ci_type) {
case SDA_CT_MMC:
case SDA_CT_SDMEM:
case SDA_CT_SDHC:
case SDA_CT_SDCOMBO:
/* these are all memory cards */
sdcard_clean_string(ci.ci_pid, sizeof (ci.ci_pid));
/*
* We don't display the mfg id, because we
* have no reliable way to look it up.
*/
(void) snprintf((*ap_id_list)->ap_info,
sizeof ((*ap_id_list)->ap_info),
"Mod: %s Rev: %d.%d Date: %d/%d SN: %X",
ci.ci_pid[0] ? ci.ci_pid : "?",
ci.ci_major, ci.ci_minor,
ci.ci_month, (int)ci.ci_year + 1900,
ci.ci_serial);
break;
default:
/*
* we don't know what this is really... need to
* parse CIS later.
*/
(void) strlcpy((*ap_id_list)->ap_info, "",
sizeof ((*ap_id_list)->ap_info));
break;
}
switch (ci.ci_type) {
case SDA_CT_UNKNOWN:
ct = "unknown";
break;
case SDA_CT_MMC:
ct = "mmc";
break;
case SDA_CT_SDMEM:
ct = "sdcard";
break;
case SDA_CT_SDHC:
ct = "sdhc";
break;
case SDA_CT_SDCOMBO:
ct = "sd-combo";
break;
case SDA_CT_SDIO:
ct = "sdio";
break;
}
(void) strlcpy((*ap_id_list)->ap_type, ct,
sizeof ((*ap_id_list)->ap_type));
if ((*ap_id_list)->ap_o_state == CFGA_STAT_CONFIGURED) {
char *dyncomp = NULL;
/*
* This is the case where we need to generate
* a dynamic component of the ap_id, i.e. device.
*/
(void) sdcard_make_dyncomp(ap_id, &dyncomp);
if (dyncomp != NULL) {
(void) strcat((*ap_id_list)->ap_log_id,
DYN_SEP);
(void) strlcat((*ap_id_list)->ap_log_id,
dyncomp,
sizeof ((*ap_id_list)->ap_log_id));
free(dyncomp);
}
}
} else {
(void) strlcpy((*ap_id_list)->ap_type, "sdcard-slot",
sizeof ((*ap_id_list)->ap_type));
}
return (sdcard_err_msg(errstring, rv, ap_id, errno));
bailout:
if (*ap_id_list != NULL) {
free(*ap_id_list);
}
if (ap_id_log != NULL) {
free(ap_id_log);
}
return (sdcard_err_msg(errstring, rv, ap_id, errno));
}
/*
* This routine accepts a string and prints it using
* the message print routine argument.
*/
static void
cfga_msg(struct cfga_msg *msgp, const char *str)
{
int len;
char *q;
if (msgp == NULL || msgp->message_routine == NULL) {
(void) printf("cfga_msg: NULL msgp\n");
return;
}
if ((len = strlen(str)) == 0) {
(void) printf("cfga_msg: null str\n");
return;
}
if ((q = (char *)calloc(len + 1, 1)) == NULL) {
perror("cfga_msg");
return;
}
(void) strcpy(q, str);
(*msgp->message_routine)(msgp->appdata_ptr, q);
free(q);
}
/* cfgadm entry point */
/*ARGSUSED*/
cfga_err_t
cfga_help(struct cfga_msg *msgp, const char *options, cfga_flags_t flags)
{
if (options != NULL) {
cfga_msg(msgp,
dgettext(TEXT_DOMAIN, sdcard_help[HELP_UNKNOWN]));
cfga_msg(msgp, options);
}
cfga_msg(msgp, dgettext(TEXT_DOMAIN, sdcard_help[HELP_HEADER]));
cfga_msg(msgp, sdcard_help[HELP_CONFIG]);
cfga_msg(msgp, sdcard_help[HELP_RESET_SLOT]);
return (CFGA_OK);
}
/*
* Ensure the ap_id passed is in the correct (physical ap_id) form:
* path/device:xx
* where xx is a one or two-digit number.
*
* Note the library always calls the plugin with a physical ap_id.
*/
static int
verify_valid_apid(const char *ap_id)
{
char *l_ap_id;
if (ap_id == NULL)
return (-1);
l_ap_id = strrchr(ap_id, MINOR_SEP);
l_ap_id++;
if (strspn(l_ap_id, "0123456789") != strlen(l_ap_id)) {
/* Bad characters in the ap_id */
return (-1);
}
return (0);
}
/*
* Verify the params passed in are valid.
*/
static cfga_sdcard_ret_t
verify_params(const char *ap_id, const char *options, char **errstring)
{
char *pdyn, *lap_id;
int rv;
if (errstring != NULL) {
*errstring = NULL;
}
if (options != NULL) {
return (CFGA_SDCARD_OPTIONS);
}
/* Strip dynamic AP name component if it is present. */
lap_id = strdup(ap_id);
if (lap_id == NULL) {
return (CFGA_SDCARD_ALLOC_FAIL);
}
if ((pdyn = GET_DYN(lap_id)) != NULL) {
*pdyn = '\0';
}
if (verify_valid_apid(lap_id) != 0) {
rv = CFGA_SDCARD_AP;
} else {
rv = CFGA_SDCARD_OK;
}
free(lap_id);
return (rv);
}
/*
* Pair of routines to set up for/clean up after a devctl_ap_* lib call.
*/
static void
cleanup_after_devctl_cmd(devctl_hdl_t devctl_hdl)
{
if (devctl_hdl != NULL) {
devctl_release(devctl_hdl);
}
}
static cfga_sdcard_ret_t
setup_for_devctl_cmd(const char *ap_id, devctl_hdl_t *devctl_hdl, uint_t oflag)
{
char *lap_id, *pdyn;
lap_id = strdup(ap_id);
if (lap_id == NULL)
return (CFGA_SDCARD_ALLOC_FAIL);
if ((pdyn = GET_DYN(lap_id)) != NULL) {
*pdyn = '\0';
}
/* Get a devctl handle to pass to the devctl_ap_XXX functions */
if ((*devctl_hdl = devctl_ap_acquire(lap_id, oflag)) == NULL) {
(void) fprintf(stderr, "[libcfgadm:sdcard] "
"setup_for_devctl_cmd: devctl_ap_acquire failed: %s\n",
strerror(errno));
free(lap_id);
return (CFGA_SDCARD_DEVCTL);
}
free(lap_id);
return (CFGA_SDCARD_OK);
}
static cfga_sdcard_ret_t
slot_state(devctl_hdl_t hdl, ap_rstate_t *rstate, ap_ostate_t *ostate)
{
devctl_ap_state_t devctl_ap_state;
if (devctl_ap_getstate(hdl, NULL, &devctl_ap_state) == -1) {
(void) printf("devctl_ap_getstate failed, errno: %d\n", errno);
return (CFGA_SDCARD_IOCTL);
}
*rstate = devctl_ap_state.ap_rstate;
*ostate = devctl_ap_state.ap_ostate;
return (CFGA_SDCARD_OK);
}
/*
* Given a subcommand to the DEVCTL_AP_CONTROL ioctl, rquest the size of
* the data to be returned, allocate a buffer, then get the data.
*/
cfga_sdcard_ret_t
do_control_ioctl(const char *ap_id, int subcommand, void *data, size_t size)
{
int fd = -1;
cfga_sdcard_ret_t rv = CFGA_SDCARD_OK;
struct sda_ap_control apc;
if ((fd = open(ap_id, O_RDONLY)) == -1) {
(void) printf("do_control_ioctl: open: errno:%d\n", errno);
rv = CFGA_SDCARD_OPEN;
goto bailout;
}
apc.cmd = subcommand;
apc.data = data;
apc.size = size;
/* Execute IOCTL */
if (ioctl(fd, DEVCTL_AP_CONTROL, &apc) != 0) {
rv = CFGA_SDCARD_IOCTL;
goto bailout;
}
(void) close(fd);
return (rv);
bailout:
if (fd != -1) {
(void) close(fd);
}
if ((rv != CFGA_SDCARD_OK) && (errno == EBUSY)) {
rv = CFGA_SDCARD_BUSY;
}
return (rv);
}
static int
sdcard_confirm(struct cfga_confirm *confp, char *msg)
{
int rval;
if (confp == NULL || confp->confirm == NULL) {
return (0);
}
rval = (*confp->confirm)(confp->appdata_ptr, msg);
return (rval);
}
cfga_sdcard_ret_t
sdcard_get_devicepath(const char *ap_id, char *devpath)
{
return (do_control_ioctl(ap_id, SDA_CFGA_GET_DEVICE_PATH,
devpath, MAXPATHLEN));
}
cfga_sdcard_ret_t
sdcard_reset_slot(const char *ap_id)
{
return (do_control_ioctl(ap_id, SDA_CFGA_RESET_SLOT, NULL, 0));
}
static rcm_handle_t *rcm_handle = NULL;
static mutex_t rcm_handle_lock = DEFAULTMUTEX;
/*
* sdcard_rcm_offline:
* Offline resource consumers.
*/
cfga_sdcard_ret_t
sdcard_rcm_offline(char *devpath, char **errstring, cfga_flags_t flags)
{
int rret;
uint_t rflags;
rcm_info_t *rinfo = NULL;
cfga_sdcard_ret_t ret;
if ((ret = sdcard_rcm_init()) != CFGA_SDCARD_OK) {
return (ret);
}
/* Translate the cfgadm flags to RCM flags */
rflags = (flags & CFGA_FLAG_FORCE) ? RCM_FORCE : 0;
rret = rcm_request_offline(rcm_handle, devpath, rflags, &rinfo);
if (rret != RCM_SUCCESS) {
if (rinfo) {
sdcard_rcm_info_table(rinfo, errstring);
rcm_free_info(rinfo);
rinfo = NULL;
}
if (rret == RCM_FAILURE) {
sdcard_rcm_online(devpath, errstring);
}
ret = CFGA_SDCARD_RCM_OFFLINE;
}
return (ret);
}
/*
* sdcard_rcm_online:
* Online resource consumers that were previously offlined.
*/
void
sdcard_rcm_online(char *devpath, char **errstring)
{
rcm_info_t *rinfo = NULL;
if (sdcard_rcm_init() != CFGA_SDCARD_OK) {
return;
}
if (rcm_notify_online(rcm_handle, devpath, 0, &rinfo) !=
RCM_SUCCESS && (rinfo != NULL)) {
sdcard_rcm_info_table(rinfo, errstring);
rcm_free_info(rinfo);
rinfo = NULL;
}
}
/*
* sdcard_rcm_remove:
* Remove resource consumers after their kernel removal.
*/
void
sdcard_rcm_remove(char *devpath, char **errstring)
{
rcm_info_t *rinfo = NULL;
if (sdcard_rcm_init() != CFGA_SDCARD_OK) {
return;
}
if (rcm_notify_remove(rcm_handle, devpath, 0, &rinfo) !=
RCM_SUCCESS && (rinfo != NULL)) {
sdcard_rcm_info_table(rinfo, errstring);
rcm_free_info(rinfo);
rinfo = NULL;
}
}
/*
* sdcard_rcm_init:
* Contains common initialization code for entering a sdcard_rcm_xx() routine.
*/
static cfga_sdcard_ret_t
sdcard_rcm_init(void)
{
/* Get a handle for the RCM operations */
(void) mutex_lock(&rcm_handle_lock);
if (rcm_handle == NULL) {
if (rcm_alloc_handle(NULL, RCM_NOPID, NULL, &rcm_handle) !=
RCM_SUCCESS) {
(void) mutex_unlock(&rcm_handle_lock);
return (CFGA_SDCARD_RCM_HANDLE);
}
}
(void) mutex_unlock(&rcm_handle_lock);
return (CFGA_SDCARD_OK);
}
#define MAX_FORMAT 80 /* for info table */
/*
* sdcard_rcm_info_table:
* Takes an opaque rcm_info_t pointer and a character pointer,
* and appends the rcm_info_t data in the form of a table to the
* given character pointer.
*/
static void
sdcard_rcm_info_table(rcm_info_t *rinfo, char **table)
{
int i;
size_t w;
size_t width = 0;
size_t w_rsrc = 0;
size_t w_info = 0;
size_t table_size = 0;
uint_t tuples = 0;
rcm_info_tuple_t *tuple = NULL;
char *rsrc;
char *info;
char *newtable;
static char format[MAX_FORMAT];
const char *infostr;
/* Protect against invalid arguments */
if (rinfo == NULL || table == NULL) {
return;
}
/* Set localized table header strings */
rsrc = dgettext(TEXT_DOMAIN, "Resource");
info = dgettext(TEXT_DOMAIN, "Information");
/* A first pass, to size up the RCM information */
while (tuple = rcm_info_next(rinfo, tuple)) {
if ((infostr = rcm_info_info(tuple)) != NULL) {
tuples++;
if ((w = strlen(rcm_info_rsrc(tuple))) > w_rsrc)
w_rsrc = w;
if ((w = strlen(infostr)) > w_info)
w_info = w;
}
}
/* If nothing was sized up above, stop early */
if (tuples == 0) {
return;
}
/* Adjust column widths for column headings */
if ((w = strlen(rsrc)) > w_rsrc) {
w_rsrc = w;
} else if ((w_rsrc - w) % 2) {
w_rsrc++;
}
if ((w = strlen(info)) > w_info) {
w_info = w;
} else if ((w_info - w) % 2) {
w_info++;
}
/*
* Compute the total line width of each line,
* accounting for intercolumn spacing.
*/
width = w_info + w_rsrc + 4;
/* Allocate space for the table */
table_size = (2 + tuples) * (width + 1) + 2;
if (*table == NULL) {
/* zero fill for the strcat() call below */
*table = calloc(table_size, sizeof (char));
if (*table == NULL) {
return;
}
} else {
newtable = realloc(*table, strlen(*table) + table_size);
if (newtable == NULL) {
return;
} else {
*table = newtable;
}
}
/* Place a table header into the string */
/* The resource header */
(void) strcat(*table, "\n");
w = strlen(rsrc);
for (i = 0; i < ((w_rsrc - w) / 2); i++) {
(void) strcat(*table, " ");
}
(void) strcat(*table, rsrc);
for (i = 0; i < ((w_rsrc - w) / 2); i++) {
(void) strcat(*table, " ");
}
/* The information header */
(void) strcat(*table, " ");
w = strlen(info);
for (i = 0; i < ((w_info - w) / 2); i++) {
(void) strcat(*table, " ");
}
(void) strcat(*table, info);
for (i = 0; i < ((w_info - w) / 2); i++) {
(void) strcat(*table, " ");
}
(void) strcat(*table, "\n");
/* Underline the headers */
for (i = 0; i < w_rsrc; i++) {
(void) strcat(*table, "-");
}
(void) strcat(*table, " ");
for (i = 0; i < w_info; i++) {
(void) strcat(*table, "-");
}
(void) strcat(*table, "\n");
/* Construct the format string */
(void) snprintf(format, MAX_FORMAT, "%%-%ds %%-%ds",
(int)w_rsrc, (int)w_info);
/* Add the tuples to the table string */
tuple = NULL;
while ((tuple = rcm_info_next(rinfo, tuple)) != NULL) {
if ((infostr = rcm_info_info(tuple)) != NULL) {
(void) sprintf(&((*table)[strlen(*table)]),
format, rcm_info_rsrc(tuple), infostr);
(void) strcat(*table, "\n");
}
}
}