/* temporary for testing */
static int mdc_wr_kuc(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct obd_device *obd = data;
struct kuc_hdr *lh;
struct hsm_action_list *hal;
struct hsm_action_item *hai;
int len;
int fd, rc;
ENTRY;
rc = lprocfs_write_helper(buffer, count, &fd);
if (rc)
RETURN(rc);
if (fd < 0)
RETURN(-ERANGE);
CWARN("message to fd %d\n", fd);
len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
/* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
OBD_ALLOC(lh, len);
lh->kuc_magic = KUC_MAGIC;
lh->kuc_transport = KUC_TRANSPORT_HSM;
lh->kuc_msgtype = HMT_ACTION_LIST;
lh->kuc_msglen = len;
hal = (struct hsm_action_list *)(lh + 1);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = 1;
hal->hal_flags = 0;
obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
/* mock up an action list */
hal->hal_count = 2;
hai = hai_zero(hal);
hai->hai_action = HSMA_ARCHIVE;
hai->hai_fid.f_oid = 5;
hai->hai_len = sizeof(*hai);
hai = hai_next(hai);
hai->hai_action = HSMA_RESTORE;
hai->hai_fid.f_oid = 10;
hai->hai_len = sizeof(*hai);
/* This works for either broadcast or unicast to a single fd */
if (fd == 0) {
rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
} else {
cfs_file_t *fp = cfs_get_fd(fd);
rc = libcfs_kkuc_msg_put(fp, lh);
cfs_put_file(fp);
}
OBD_FREE(lh, len);
if (rc < 0)
RETURN(rc);
RETURN(count);
}
/* temporary for testing */
static ssize_t mdc_kuc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *off)
{
struct obd_device *obd =
((struct seq_file *)file->private_data)->private;
struct kuc_hdr *lh;
struct hsm_action_list *hal;
struct hsm_action_item *hai;
int len;
int fd, rc;
rc = lprocfs_write_helper(buffer, count, &fd);
if (rc)
return rc;
if (fd < 0)
return -ERANGE;
CWARN("message to fd %d\n", fd);
len = sizeof(*lh) + sizeof(*hal) + MTI_NAME_MAXLEN +
/* for mockup below */ 2 * cfs_size_round(sizeof(*hai));
OBD_ALLOC(lh, len);
if (!lh)
return -ENOMEM;
lh->kuc_magic = KUC_MAGIC;
lh->kuc_transport = KUC_TRANSPORT_HSM;
lh->kuc_msgtype = HMT_ACTION_LIST;
lh->kuc_msglen = len;
hal = (struct hsm_action_list *)(lh + 1);
hal->hal_version = HAL_VERSION;
hal->hal_archive_id = 1;
hal->hal_flags = 0;
obd_uuid2fsname(hal->hal_fsname, obd->obd_name, MTI_NAME_MAXLEN);
/* mock up an action list */
hal->hal_count = 2;
hai = hai_zero(hal);
hai->hai_action = HSMA_ARCHIVE;
hai->hai_fid.f_oid = 5;
hai->hai_len = sizeof(*hai);
hai = hai_next(hai);
hai->hai_action = HSMA_RESTORE;
hai->hai_fid.f_oid = 10;
hai->hai_len = sizeof(*hai);
/* This works for either broadcast or unicast to a single fd */
if (fd == 0) {
rc = libcfs_kkuc_group_put(KUC_GRP_HSM, lh);
} else {
struct file *fp = fget(fd);
rc = libcfs_kkuc_msg_put(fp, lh);
fput(fp);
}
OBD_FREE(lh, len);
if (rc < 0)
return rc;
return count;
}
int main(int argc, char **argv) {
int c, test = 0;
struct option long_opts[] = {
{"test", no_argument, 0, 't'},
{0, 0, 0, 0}
};
int archives[] = {1}; /* which archives we care about */
int rc;
optind = 0;
while ((c = getopt_long(argc, argv, "t", long_opts, NULL)) != -1) {
switch (c) {
case 't':
test++;
break;
default:
fprintf(stderr, "error: %s: option '%s' unrecognized\n",
argv[0], argv[optind - 1]);
return EINVAL;
}
}
if (optind != argc - 1) {
fprintf(stderr, "Usage: %s <fsname>\n", argv[0]);
return -EINVAL;
}
rc = llapi_hsm_copytool_start(&ctdata, argv[optind], 0,
ARRAY_SIZE(archives), archives);
if (rc < 0) {
fprintf(stderr, "Can't start copytool interface: %s\n",
strerror(-rc));
return -rc;
}
if (test)
return -llapi_hsm_copytool_fini(&ctdata);
printf("Waiting for message from kernel (pid=%d)\n", getpid());
signal(SIGINT, handler);
while(1) {
struct hsm_action_list *hal;
struct hsm_action_item *hai;
int msgsize, i = 0;
rc = llapi_hsm_copytool_recv(ctdata, &hal, &msgsize);
if (rc == -ESHUTDOWN) {
fprintf(stderr, "shutting down");
break;
}
if (rc < 0) {
fprintf(stderr, "Message receive: %s", strerror(-rc));
break;
}
if (msgsize == 0)
continue; /* msg not for us */
printf("Copytool fs=%s archive#=%d item_count=%d\n",
hal->hal_fsname, hal->hal_archive_id, hal->hal_count);
hai = hai_zero(hal);
while (++i <= hal->hal_count) {
printf("Item %d: action %d reclen %d\n", i,
hai->hai_action, hai->hai_len);
printf(" "DFID" gid="LPU64" cookie="LPU64"\n",
PFID(&hai->hai_fid), hai->hai_gid,
hai->hai_cookie);
hai = hai_next(hai);
}
llapi_hsm_copytool_free(&hal);
}
llapi_hsm_copytool_fini(&ctdata);
return -rc;
}
