/*
* If the root file system is StaticRamFs type then this recreate the compressed cpio
* image file used to download and create the ram file system based on the information
* found in BaseDir, CommonDir, MicDir and all Overlays.
*/
void
updateramfs(struct mic_info *miclist)
{
struct mic_info *mic = NULL;
mic = miclist;
while (mic != NULL) {
micctrl_parse_config(&mpssenv, mic, &brlist, &mpssperr, PINFO);
if ((mic->config.rootdev.type != ROOT_TYPE_RAMFS) &&
(mic->config.rootdev.type != ROOT_TYPE_STATICRAMFS)) {
display(PERROR, "%s: RootDevice must be RamFS or StaticRamFS\n", mic->name);
} else {
display(PNORM, "%s: Generating static ram file system image %s\n",
mic->name, mic->config.rootdev.target);
mpssfs_gen_initrd(&mpssenv, mic, &mpssperr);
display(PFS, "%s: Created %s\n", mic->name, mic->config.rootdev.target);
mpss_print_elist(&mpssperr, PINFO, display);
mpss_clear_elist(&mpssperr);
}
mic = mic->next;
}
exit(0);
}
/*
* If the root file system is a NFS type then this will update the export directory based
* on the information found in BaseDir, CommonDir, MicDir and all Overlays.
*/
void
updatenfs(struct mic_info *miclist)
{
struct mic_info *mic;
char tmpname[PATH_MAX];
char *rootpath;
mic = miclist;
while (mic != NULL) {
micctrl_parse_config(&mpssenv, mic, &brlist, &mpssperr, PINFO);
if ((rootpath = micctrl_check_nfs_rootdev(mic)) == NULL) {
mic = mic->next;
continue;
}
if (!mpssut_filename(&mpssenv, NULL, tmpname, PATH_MAX, "%s", rootpath)) {
display(PINFO, "%s: New creation. Do not forget to add '%s'"
"to the NFS exports file\n", mic->name, rootpath);
mpssut_mktree(&mpssenv, rootpath, 0, 0, 0755);
} else {
display(PINFO, "Updating NFS root directory %s\n", rootpath);
}
mpssfs_gen_nfsdir(&mpssenv, mic, 0, &mpssperr);
mpss_print_elist(&mpssperr, PINFO, display);
mpss_clear_elist(&mpssperr);
display(PFS, "%s: Created NFS dir %s\n", mic->name, rootpath);
mic = mic->next;
}
exit(0);
}
void
quit_handler(int sig, siginfo_t *siginfo, void *context)
{
struct mic_info *mic;
struct mpssd_info *mpssdi;
struct mpss_elist mpssperr;
char *state;
shutdown_count = 0;
while (pthread_mutex_lock(&shutdown_lock) != 0);
mpsslog(PINFO, "MPSS Stack Shutting down\n");
for (mic = miclist; mic != NULL; mic = mic->next) {
mpssdi = (struct mpssd_info *)mic->data;
if (mic->present == FALSE) {
mpsslog(PWARN, "%s: Configured but not present - skipping\n", mic->name);
continue;
}
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PERROR, "%s: Failed to read state - not waiting for card ready\n", mic->name);
while (pthread_mutex_lock(&mpssdi->pth_lock) != 0);
pthread_create(&mpssdi->stop_pth, NULL, shutdown_mic, mic);
while (pthread_mutex_unlock(&mpssdi->pth_lock) != 0);
continue;
}
mpss_parse_config(&mpssenv, mic, &brlist, &mpssperr);
mpss_clear_elist(&mpssperr);
if (strcmp(state, "ready") && strcmp(state, "resetting")) {
shutdown_count++;
while (pthread_mutex_lock(&mpssdi->pth_lock) != 0);
pthread_create(&mpssdi->stop_pth, NULL, shutdown_mic, mic);
while (pthread_mutex_unlock(&mpssdi->pth_lock) != 0);
}
free(state);
}
while (pthread_mutex_unlock(&shutdown_lock) != 0);
if (shutdown_count == 0)
exit(0);
else
pause();
}
/*
* If the root file system is Split NFS type then this will update the shared /usr directory
* based on the information found in BaseDir, CommonDir, MicDir and all Overlays.
*/
void
updateusr(struct mic_info *miclist)
{
struct mic_info *smic;
struct mic_info *mic = NULL;
char nfsusr[PATH_MAX];
smic = miclist;
while (smic != NULL) {
micctrl_parse_config(&mpssenv, smic, &brlist, &mpssperr, PINFO);
if (smic->config.rootdev.type != ROOT_TYPE_SPLITNFS) {
smic = smic->next;
continue;
}
mic = smic;
break;
}
if (mic == NULL) {
display(PERROR, "Error: updateusr did not find any MIC cards configured "
"with SplitNFS\n");
exit(1);
}
display(PNORM, "Updating /usr export based on %s\n", mic->name);
if (!mpssut_filename(&mpssenv, NULL, nfsusr, PATH_MAX, "%s", strchr(mic->config.rootdev.nfsusr, ':') + 1)) {
display(PNORM, "%s: Common /usr does not exist - creating %s\n", mic->name, nfsusr);
mpssut_mktree(&mpssenv, nfsusr, 0, 0, 0755);
mpssfs_gen_nfsdir(&mpssenv, mic, 1, &mpssperr);
mpss_print_elist(&mpssperr, PINFO, display);
mpss_clear_elist(&mpssperr);
display(PFS, "%s: Created NFS /usr dir %s\n", mic->name, nfsusr);
}
exit(0);
}
void
set_nfsroot(struct mic_info *mic, int type, char *target, char *usr, char *server, int create)
{
char tmptarget[PATH_MAX];
char tmpusr[PATH_MAX];
char tmpdir[PATH_MAX];
char *nfsserver;
char *nfsdir;
char *usrserver;
char *usrdir;
struct stat sbuf;
char *nfs_opt = NULL;
if (target == NULL) {
snprintf(tmptarget, PATH_MAX - 1, "%s/%s.export", mpssenv.vardir, mic->name);
target = tmptarget;
}
if (fill_nfsinfo(mic, type, target, server, &nfsserver, &nfsdir))
return;
snprintf(tmpdir, PATH_MAX, "%s:%s", nfsserver, nfsdir);
mic->config.rootdev.target = mpssut_alloc_fill(tmpdir);
mic->config.rootdev.nfsusr = NULL;
if (type == ROOT_TYPE_SPLITNFS) {
if (usr == NULL) {
snprintf(tmpusr, PATH_MAX - 1, "%s/usr.export", mpssenv.vardir);
usr = tmpusr;
}
if (fill_nfsinfo(mic, type, usr, server, &usrserver, &usrdir))
return;
snprintf(tmpdir, PATH_MAX, "%s:%s", usrserver, usrdir);
mpssut_realloc_fill(&mic->config.rootdev.nfsusr, tmpdir);
mpssut_filename(&mpssenv, NULL, tmpdir, PATH_MAX, "%s", mic->config.filesrc.mic.dir);
fstab_add(mic->name, tmpdir, usrdir, "/usr", nfsserver, nfs_opt);
display(PFS, "%s: Update RootDevice in %s\n", mic->name, mic->config.name);
mpss_update_config(&mpssenv, mic->config.name, NULL, descriptor, "%s %s %s %s\n\n",
"RootDevice", fstypes[type], mic->config.rootdev.target, mic->config.rootdev.nfsusr);
} else {
display(PFS, "%s: Update RootDevice in %s\n", mic->name, mic->config.name);
mpss_update_config(&mpssenv, mic->config.name, NULL, descriptor, "%s %s %s\n\n",
"RootDevice", fstypes[type], mic->config.rootdev.target);
}
if (!create)
return;
if (mpssut_filename(&mpssenv, NULL, tmpdir, PATH_MAX, "%s", nfsdir))
display(PINFO, "%s: Updating existing directory %s: %s\n", mic->name, nfsdir, strerror(errno));
mpssut_mktree(&mpssenv, nfsdir, 0, 0, 0755);
mpssfs_gen_nfsdir(&mpssenv, mic, FALSE, &mpssperr);
mpss_print_elist(&mpssperr, PINFO, display);
mpss_clear_elist(&mpssperr);
display(PFS, "%s: Created NFS dir %s\n", mic->name, nfsdir);
if ((type != ROOT_TYPE_SPLITNFS) || (stat(usrdir, &sbuf) == 0))
return;
display(PINFO, "%s: Common /usr does not exist - creating %s\n", mic->name, usrdir);
if (mpssut_filename(&mpssenv, NULL, tmpdir, PATH_MAX, "%s", usrdir))
display(PWARN, "%s: Updating existing directory %s: %s\n", mic->name, usrdir, strerror(errno));
mpssut_mktree(&mpssenv, usrdir, 0, 0, 0755);
mpssfs_gen_nfsdir(&mpssenv, mic, TRUE, &mpssperr);
mpss_print_elist(&mpssperr, PINFO, display);
mpss_clear_elist(&mpssperr);
display(PFS, "%s: Created NFS /usr dir %s\n", mic->name, usrdir);
}
void *
boot_mic(void *arg)
{
struct mic_info *mic = (struct mic_info *)arg;
struct mpssd_info *mpssdi = (struct mpssd_info *)mic->data;
struct mpss_elist mpssperr;
struct stat sbuf;
char *initrd = NULL;
char *state;
char *save;
char *errmsg;
char boot_string[PATH_MAX];
char cmdline[2048];
int shutdown_wait = 180;// Do not wait for shutdown more than 180 secs.
int reset_wait = 180; // Do not wait for reset more than 180 secs.
int err = 0;
char *shutdown_str;
char os_image_path[PATH_MAX];
char kernel[PATH_MAX];
char ramdisk[PATH_MAX];
char efiimage[PATH_MAX];
char *sysfs_rd;
if ((err = mpss_parse_config(&mpssenv, mic, &brlist, &mpssperr))) {
mpsslog(PINFO, "%s: Boot aborted - no configuation file present: %s\n", mic->name, strerror(err));
goto bootexit;
}
mpss_print_elist(&mpssperr, PWARN, mpsslog);
mpss_clear_elist(&mpssperr);
switch(mic->config.family) {
case MIC_FAMILY_KNL_VALUE:
if (!is_mic_knl(mic))
mpsslog(PWARN, "%s: Family mismatch. Configuration file parameter is %s but MIC family is different\n"
"\t Please execute micctrl --cleanconfig and --initdefaults again\n", mic->name, family_to_str(mic->config.family));
break;
case MIC_FAMILY_KNC_VALUE:
if (!is_mic_knc(mic))
mpsslog(PWARN, "%s: Family mismatch. Configuration file parameter is %s but MIC family is different\n"
"\t Please execute micctrl --cleanconfig and --initdefaults again\n", mic->name, family_to_str(mic->config.family));
break;
case MIC_FAMILY_UNKNOWN_VALUE:
default:
mpsslog(PWARN, "%s: Family parameter is %s\n\t Please execute micctrl --cleanconfig and --initdefaults again\n", mic->name, family_to_str(mic->config.family));
}
if (check_fs_params(mic))
goto bootexit;
if (mic->config.boot.osimage == NULL) {
mpsslog(PINFO, "%s: Boot aborted - OsImage parameter not set\n", mic->name);
goto bootexit;
}
if (is_mic_knl(mic) && mic->config.boot.efiimage == NULL) {
mpsslog(PINFO, "%s: Boot aborted - EFI Image parameter not set\n", mic->name);
goto bootexit;
}
if (verify_bzImage(&mpssenv, mic->config.boot.osimage, mic->name)) {
mpsslog(PINFO, "%s: Boot aborted - %s is not a valid Linux bzImage\n",
mic->name, mic->config.boot.osimage);
goto bootexit;
}
if ((errmsg = mpss_set_cmdline(mic, brlist, cmdline, NULL)) != NULL) {
mpsslog(PINFO, "%s: Boot aborted - %s\n", mic->name, errmsg);
goto bootexit;
}
mpsslog(PINFO, "%s: Command line: %s\n", mic->name, cmdline);
set_log_buf_info(mic);
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
if (mic->config.boot.onstart != TRUE) {
mpsslog(PINFO, "%s: Not set to autoboot\n", mic->name);
goto bootmic_done;
}
switch (mic->config.rootdev.type) {
case ROOT_TYPE_RAMFS:
if (stat(mic->config.rootdev.target, &sbuf) == 0)
unlink(mic->config.rootdev.target);
mpsslog(PINFO, "%s: Generate %s\n", mic->name, mic->config.rootdev.target);
mpssfs_gen_initrd(&mpssenv, mic, &mpssperr);
mpss_print_elist(&mpssperr, PWARN, mpsslog);
mpss_clear_elist(&mpssperr);
case ROOT_TYPE_STATICRAMFS:
initrd = mic->config.rootdev.target;
break;
case ROOT_TYPE_NFS:
case ROOT_TYPE_SPLITNFS:
case ROOT_TYPE_PFS:
initrd = mic->config.filesrc.base.image;
break;
}
if (initrd == NULL) {
mpsslog(PERROR, "%s Boot aborted - initial ramdisk not set", mic->name);
goto bootmic_done;
}
if (is_upstream_driver()) {
/* request_firmware() API that is used in the upstream stack
* expects the firmware images to be somewhere under /lib/firmware.
* We create /lib/firmware/mic/micX/ and place links to micX specific
* images under them. */
snprintf(os_image_path, PATH_MAX, "/lib/firmware/mic/%s", mic->name);
mpssut_deltree(&mpssenv, os_image_path);
if (mpssut_mksubtree(&mpssenv, "", os_image_path, 0, 0, 0755)) {
mpsslog(PERROR, "%s Boot aborted - Failed to create boot directory. %s\n",
mic->name, strerror(errno));
goto bootmic_done;
}
snprintf(kernel, PATH_MAX, "%s/uos.img", os_image_path);
snprintf(ramdisk, PATH_MAX, "%s/mic.image", os_image_path);
if(is_mic_knl(mic))
snprintf(efiimage, PATH_MAX, "%s/efi.image", os_image_path);
if (symlink(mic->config.boot.osimage, kernel) < 0) {
mpsslog(PERROR, "%s Boot aborted - Failed to create symlink for kernel image. %s",
mic->name, strerror(errno));
goto bootmic_done;
}
if (initrd == NULL || symlink(initrd, ramdisk) < 0) {
mpsslog(PERROR, "%s Boot aborted - Failed to create symlink for filesystem. %s",
mic->name, strerror(errno));
goto bootmic_done;
}
if (is_mic_knl(mic) && symlink(mic->config.boot.efiimage, efiimage) < 0) {
mpsslog(PERROR, "%s Boot aborted - Failed to create symlink for EFI image. %s",
mic->name, strerror(errno));
goto bootmic_done;
}
if (mpss_setsysfs(mic->name, "bootmode", "linux")) {
sysfs_rd = mpss_readsysfs(mic->name, "bootmode");
mpsslog(PERROR, "%s failed to boot. Bootmode = %s\n", mic->name, sysfs_rd);
free(sysfs_rd);
goto bootmic_done;
}
/* request_firmware doesn't like absolute paths. */
snprintf(kernel, PATH_MAX, "mic/%s/uos.img", mic->name);
snprintf(ramdisk, PATH_MAX, "mic/%s/mic.image", mic->name);
if (is_mic_knl(mic))
snprintf(efiimage, PATH_MAX, "mic/%s/efi.image", mic->name);
if (mpss_setsysfs(mic->name, "firmware", kernel)) {
sysfs_rd = mpss_readsysfs(mic->name, "firmware");
mpsslog(PERROR, "%s failed to boot. Firmware = %s\n", mic->name, sysfs_rd);
free(sysfs_rd);
goto bootmic_done;
}
if (mpss_setsysfs(mic->name, "ramdisk", ramdisk)) {
sysfs_rd = mpss_readsysfs(mic->name, "ramdisk");
mpsslog(PERROR, "%s failed to boot. Ramdisk = %s\n", mic->name, sysfs_rd);
free(sysfs_rd);
goto bootmic_done;
}
if (is_mic_knl(mic) && mpss_setsysfs(mic->name, "efiimage", efiimage)) {
sysfs_rd = mpss_readsysfs(mic->name, "efiimage");
mpsslog(PERROR, "%s failed to boot. EFI image = %s\n", mic->name, sysfs_rd);
free(sysfs_rd);
goto bootmic_done;
}
snprintf(boot_string, PATH_MAX, "boot");
} else {
snprintf(boot_string, PATH_MAX, "boot:linux:%s:%s", mic->config.boot.osimage, initrd);
}
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PERROR, "%s: Cannot access state sysfs entry - skipping\n", mic->name);
goto bootmic_done;
}
if (is_upstream_driver())
shutdown_str = "shutting_down";
else
shutdown_str = "shutdown";
while (!strcmp(state, shutdown_str)) {
save = state;
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PWARN, "%s: Wait for shutdown failed to read state sysfs - try again\n", mic->name);
state = save;
} else {
free(save);
}
if (!shutdown_wait--) {
mpsslog(PWARN, "%s: Wait for shutdown timed out\n", mic->name);
goto bootmic_done;
}
mpsslog(PINFO, "%s: Waiting for shutdown to complete\n", mic->name);
sleep(1);
}
while (!strcmp(state, "resetting")) {
save = state;
if ((state = mpss_readsysfs(mic->name, "state")) == NULL) {
mpsslog(PWARN, "%s: Wait for reset failed to read state sysfs - try again\n", mic->name);
state = save;
} else {
free(save);
}
if (!reset_wait--) {
mpsslog(PINFO, "%s: Wait for reset timed out\n", mic->name);
goto bootmic_done;
}
mpsslog(PINFO, "%s: Waiting for reset to complete\n", mic->name);
sleep(1);
}
if (strcmp(state, "ready")) {
mpsslog(PINFO, "%s: Current state \"%s\" cannot boot card\n", mic->name, state);
free(state);
goto bootmic_done;
}
free(state);
if ((err = mpss_setsysfs(mic->name, "state", boot_string)) != 0) {
mpsslog(PINFO, "%s: Booting failed - cannot set state: %s\n", mic->name, strerror(err));
} else {
mpsslog(PINFO, "%s: Booting %s initrd %s\n", mic->name, mic->config.boot.osimage, initrd);
}
bootmic_done:
while (pthread_mutex_lock(&mpssdi->pth_lock) != 0);
mpssdi->boot_pth = 0;
while (pthread_mutex_unlock(&mpssdi->pth_lock) != 0);
bootexit:
while (pthread_mutex_lock(&start_lock) != 0);
start_count--;
while (pthread_mutex_unlock(&start_lock) != 0);
pthread_exit(NULL);
}