extern void (kping_client)(struct portal_ioctl_data *);
-struct nal_cmd_handler {
- nal_cmd_handler_t nch_handler;
- void * nch_private;
-};
-
-static struct nal_cmd_handler nal_cmd[NAL_MAX_NR + 1];
-struct semaphore nal_cmd_sem;
-
#ifdef PORTAL_DEBUG
void kportal_assertion_failed(char *expr, char *file, const char *func,
const int line)
}
/* called when opening /dev/device */
-static int kportal_psdev_open(struct inode * inode, struct file * file)
+static int libcfs_psdev_open(struct inode * inode, struct file * file)
{
struct portals_device_userstate *pdu;
ENTRY;
}
/* called when closing /dev/device */
-static int kportal_psdev_release(struct inode * inode, struct file * file)
+static int libcfs_psdev_release(struct inode * inode, struct file * file)
{
struct portals_device_userstate *pdu;
ENTRY;
PORTAL_FREE(data, len);
}
-static int
-kportal_add_route(int gateway_nalid, ptl_nid_t gateway_nid,
- ptl_nid_t lo_nid, ptl_nid_t hi_nid)
-{
- int rc;
- kpr_control_interface_t *ci;
-
- ci = (kpr_control_interface_t *) PORTAL_SYMBOL_GET (kpr_control_interface);
- if (ci == NULL)
- return (-ENODEV);
-
- rc = ci->kprci_add_route (gateway_nalid, gateway_nid, lo_nid, hi_nid);
-
- PORTAL_SYMBOL_PUT(kpr_control_interface);
- return (rc);
-}
-
-static int
-kportal_del_route(int gw_nalid, ptl_nid_t gw_nid,
- ptl_nid_t lo, ptl_nid_t hi)
-{
- int rc;
- kpr_control_interface_t *ci;
-
- ci = (kpr_control_interface_t *)PORTAL_SYMBOL_GET(kpr_control_interface);
- if (ci == NULL)
- return (-ENODEV);
-
- rc = ci->kprci_del_route (gw_nalid, gw_nid, lo, hi);
-
- PORTAL_SYMBOL_PUT(kpr_control_interface);
- return (rc);
-}
-
-static int
-kportal_notify_router (int gw_nalid, ptl_nid_t gw_nid,
- int alive, time_t when)
-{
- int rc;
- kpr_control_interface_t *ci;
-
- /* No error if router not preset. Sysadmin is allowed to notify
- * _everywhere_ when a NID boots or crashes, even if they know
- * nothing of the peer. */
- ci = (kpr_control_interface_t *)PORTAL_SYMBOL_GET(kpr_control_interface);
- if (ci == NULL)
- return (0);
-
- rc = ci->kprci_notify (gw_nalid, gw_nid, alive, when);
-
- PORTAL_SYMBOL_PUT(kpr_control_interface);
- return (rc);
-}
-
-static int
-kportal_get_route(int index, __u32 *gateway_nalidp, ptl_nid_t *gateway_nidp,
- ptl_nid_t *lo_nidp, ptl_nid_t *hi_nidp, int *alivep)
-{
- int gateway_nalid;
- ptl_nid_t gateway_nid;
- ptl_nid_t lo_nid;
- ptl_nid_t hi_nid;
- int alive;
- int rc;
- kpr_control_interface_t *ci;
-
- ci = (kpr_control_interface_t *) PORTAL_SYMBOL_GET(kpr_control_interface);
- if (ci == NULL)
- return (-ENODEV);
-
- rc = ci->kprci_get_route(index, &gateway_nalid, &gateway_nid,
- &lo_nid, &hi_nid, &alive);
-
- if (rc == 0) {
- CDEBUG(D_IOCTL, "got route [%d] %d "LPX64":"LPX64" - "LPX64", %s\n",
- index, gateway_nalid, gateway_nid, lo_nid, hi_nid,
- alive ? "up" : "down");
-
- *gateway_nalidp = (__u32)gateway_nalid;
- *gateway_nidp = gateway_nid;
- *lo_nidp = lo_nid;
- *hi_nidp = hi_nid;
- *alivep = alive;
- }
-
- PORTAL_SYMBOL_PUT (kpr_control_interface);
- return (rc);
-}
-
-static int
-kportal_router_cmd(struct portals_cfg *pcfg, void * private)
-{
- int err = -EINVAL;
- ENTRY;
-
- switch(pcfg->pcfg_command) {
- default:
- CDEBUG(D_IOCTL, "Inappropriate cmd: %d\n", pcfg->pcfg_command);
- break;
-
- case NAL_CMD_ADD_ROUTE:
- CDEBUG(D_IOCTL, "Adding route: [%d] "LPU64" : "LPU64" - "LPU64"\n",
- pcfg->pcfg_nal, pcfg->pcfg_nid,
- pcfg->pcfg_nid2, pcfg->pcfg_nid3);
- err = kportal_add_route(pcfg->pcfg_gw_nal, pcfg->pcfg_nid,
- pcfg->pcfg_nid2, pcfg->pcfg_nid3);
- break;
-
- case NAL_CMD_DEL_ROUTE:
- CDEBUG (D_IOCTL, "Removing routes via [%d] "LPU64" : "LPU64" - "LPU64"\n",
- pcfg->pcfg_gw_nal, pcfg->pcfg_nid,
- pcfg->pcfg_nid2, pcfg->pcfg_nid3);
- err = kportal_del_route (pcfg->pcfg_gw_nal, pcfg->pcfg_nid,
- pcfg->pcfg_nid2, pcfg->pcfg_nid3);
- break;
-
- case NAL_CMD_NOTIFY_ROUTER: {
- CDEBUG (D_IOCTL, "Notifying peer [%d] "LPU64" %s @ %ld\n",
- pcfg->pcfg_gw_nal, pcfg->pcfg_nid,
- pcfg->pcfg_flags ? "Enabling" : "Disabling",
- (time_t)pcfg->pcfg_nid3);
-
- err = kportal_notify_router (pcfg->pcfg_gw_nal, pcfg->pcfg_nid,
- pcfg->pcfg_flags,
- (time_t)pcfg->pcfg_nid3);
- break;
- }
-
- case NAL_CMD_GET_ROUTE:
- CDEBUG (D_IOCTL, "Getting route [%d]\n", pcfg->pcfg_count);
- err = kportal_get_route(pcfg->pcfg_count, &pcfg->pcfg_gw_nal,
- &pcfg->pcfg_nid,
- &pcfg->pcfg_nid2, &pcfg->pcfg_nid3,
- &pcfg->pcfg_flags);
- break;
- }
- RETURN(err);
-}
-
-int
-kportal_nal_cmd(struct portals_cfg *pcfg)
-{
- __u32 nal = pcfg->pcfg_nal;
- int rc = -EINVAL;
-
- ENTRY;
-
- down(&nal_cmd_sem);
- if (nal > 0 && nal <= NAL_MAX_NR && nal_cmd[nal].nch_handler) {
- CDEBUG(D_IOCTL, "calling handler nal: %d, cmd: %d\n", nal,
- pcfg->pcfg_command);
- rc = nal_cmd[nal].nch_handler(pcfg, nal_cmd[nal].nch_private);
- }
- up(&nal_cmd_sem);
- RETURN(rc);
-}
-
-ptl_handle_ni_t *
-kportal_get_ni (int nal)
-{
-
- switch (nal)
- {
- case QSWNAL:
- return (PORTAL_SYMBOL_GET(kqswnal_ni));
- case SOCKNAL:
- return (PORTAL_SYMBOL_GET(ksocknal_ni));
- case GMNAL:
- return (PORTAL_SYMBOL_GET(kgmnal_ni));
- case IBNAL:
- return (PORTAL_SYMBOL_GET(kibnal_ni));
- case TCPNAL:
- /* userspace NAL */
- return (NULL);
- case SCIMACNAL:
- return (PORTAL_SYMBOL_GET(kscimacnal_ni));
- default:
- /* A warning to a naive caller */
- CERROR ("unknown nal: %d\n", nal);
- return (NULL);
- }
-}
-
-void
-kportal_put_ni (int nal)
-{
-
- switch (nal)
- {
- case QSWNAL:
- PORTAL_SYMBOL_PUT(kqswnal_ni);
- break;
- case SOCKNAL:
- PORTAL_SYMBOL_PUT(ksocknal_ni);
- break;
- case GMNAL:
- PORTAL_SYMBOL_PUT(kgmnal_ni);
- break;
- case IBNAL:
- PORTAL_SYMBOL_PUT(kibnal_ni);
- break;
- case TCPNAL:
- /* A lesson to a malicious caller */
- LBUG ();
- case SCIMACNAL:
- PORTAL_SYMBOL_PUT(kscimacnal_ni);
- break;
- default:
- CERROR ("unknown nal: %d\n", nal);
- }
-}
+static DECLARE_RWSEM(ioctl_list_sem);
+static LIST_HEAD(ioctl_list);
-int
-kportal_nal_register(int nal, nal_cmd_handler_t handler, void * private)
+int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand)
{
int rc = 0;
+ down_read(&ioctl_list_sem);
+ if (!list_empty(&hand->item))
+ rc = -EBUSY;
+ up_read(&ioctl_list_sem);
- CDEBUG(D_IOCTL, "Register NAL %d, handler: %p\n", nal, handler);
-
- if (nal > 0 && nal <= NAL_MAX_NR) {
- down(&nal_cmd_sem);
- if (nal_cmd[nal].nch_handler != NULL)
- rc = -EBUSY;
- else {
- nal_cmd[nal].nch_handler = handler;
- nal_cmd[nal].nch_private = private;
- }
- up(&nal_cmd_sem);
+ if (rc == 0) {
+ down_write(&ioctl_list_sem);
+ list_add_tail(&hand->item, &ioctl_list);
+ up_write(&ioctl_list_sem);
}
- return rc;
+ RETURN(0);
}
+EXPORT_SYMBOL(libcfs_register_ioctl);
-int
-kportal_nal_unregister(int nal)
+int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand)
{
int rc = 0;
+ down_read(&ioctl_list_sem);
+ if (list_empty(&hand->item))
+ rc = -ENOENT;
+ up_read(&ioctl_list_sem);
- CDEBUG(D_IOCTL, "Unregister NAL %d\n", nal);
-
- if (nal > 0 && nal <= NAL_MAX_NR) {
- down(&nal_cmd_sem);
- nal_cmd[nal].nch_handler = NULL;
- nal_cmd[nal].nch_private = NULL;
- up(&nal_cmd_sem);
+ if (rc == 0) {
+ down_write(&ioctl_list_sem);
+ list_del_init(&hand->item);
+ up_write(&ioctl_list_sem);
}
- return rc;
+ RETURN(0);
}
+EXPORT_SYMBOL(libcfs_deregister_ioctl);
-
-static int kportal_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+static int libcfs_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
{
- int err = 0;
+ int err = -EINVAL;
char buf[1024];
struct portal_ioctl_data *data;
- char str[PTL_NALFMT_SIZE];
-
ENTRY;
if (current->fsuid != 0)
RETURN(-EINVAL);
portals_debug_mark_buffer(data->ioc_inlbuf1);
RETURN(0);
- case IOC_PORTAL_PING: {
- void (*ping)(struct portal_ioctl_data *);
-
- CDEBUG(D_IOCTL, "doing %d pings to nid "LPX64" (%s)\n",
- data->ioc_count, data->ioc_nid,
- portals_nid2str(data->ioc_nal, data->ioc_nid, str));
- ping = PORTAL_SYMBOL_GET(kping_client);
- if (!ping)
- CERROR("PORTAL_SYMBOL_GET failed\n");
- else {
- ping(data);
- PORTAL_SYMBOL_PUT(kping_client);
- }
- RETURN(0);
- }
-
- case IOC_PORTAL_GET_NID: {
- const ptl_handle_ni_t *nip;
- ptl_process_id_t pid;
-
- CDEBUG (D_IOCTL, "Getting nid for nal [%d]\n", data->ioc_nal);
-
- nip = kportal_get_ni (data->ioc_nal);
- if (nip == NULL)
- RETURN (-EINVAL);
-
- err = PtlGetId (*nip, &pid);
- LASSERT (err == PTL_OK);
- kportal_put_ni (data->ioc_nal);
-
- data->ioc_nid = pid.nid;
- if (copy_to_user ((char *)arg, data, sizeof (*data)))
- err = -EFAULT;
- break;
- }
-
- case IOC_PORTAL_NAL_CMD: {
- struct portals_cfg pcfg;
-
- LASSERT (data->ioc_plen1 == sizeof(pcfg));
- err = copy_from_user(&pcfg, (void *)data->ioc_pbuf1,
- sizeof(pcfg));
- if ( err ) {
- EXIT;
- return err;
- }
-
- CDEBUG (D_IOCTL, "nal command nal %d cmd %d\n", pcfg.pcfg_nal,
- pcfg.pcfg_command);
- err = kportal_nal_cmd(&pcfg);
- if (err == 0) {
- if (copy_to_user((char *)data->ioc_pbuf1, &pcfg,
- sizeof (pcfg)))
- err = -EFAULT;
- if (copy_to_user((char *)arg, data, sizeof (*data)))
- err = -EFAULT;
- }
- break;
- }
- case IOC_PORTAL_FAIL_NID: {
- const ptl_handle_ni_t *nip;
-
- CDEBUG (D_IOCTL, "fail nid: [%d] "LPU64" count %d\n",
- data->ioc_nal, data->ioc_nid, data->ioc_count);
-
- nip = kportal_get_ni (data->ioc_nal);
- if (nip == NULL)
- return (-EINVAL);
-
- err = PtlFailNid (*nip, data->ioc_nid, data->ioc_count);
- kportal_put_ni (data->ioc_nal);
- break;
- }
#if LWT_SUPPORT
case IOC_PORTAL_LWT_CONTROL:
err = lwt_control (data->ioc_flags, data->ioc_misc);
}
break;
- default:
+ default: {
+ struct libcfs_ioctl_handler *hand;
err = -EINVAL;
- break;
+ down_read(&ioctl_list_sem);
+ list_for_each_entry(hand, &ioctl_list, item) {
+ err = hand->handle_ioctl(data, cmd, arg);
+ if (err != -EINVAL)
+ break;
+ }
+ up_read(&ioctl_list_sem);
+ } break;
}
RETURN(err);
}
-static struct file_operations portalsdev_fops = {
- ioctl: kportal_ioctl,
- open: kportal_psdev_open,
- release: kportal_psdev_release
+static struct file_operations libcfs_fops = {
+ ioctl: libcfs_ioctl,
+ open: libcfs_psdev_open,
+ release: libcfs_psdev_release
};
-static struct miscdevice portal_dev = {
+static struct miscdevice libcfs_dev = {
PORTAL_MINOR,
"portals",
- &portalsdev_fops
+ &libcfs_fops
};
extern int insert_proc(void);
MODULE_DESCRIPTION("Portals v3.1");
MODULE_LICENSE("GPL");
-static int init_kportals_module(void)
+static int init_libcfs_module(void)
{
int rc;
goto cleanup_debug;
}
#endif
- sema_init(&nal_cmd_sem, 1);
-
- rc = misc_register(&portal_dev);
+ rc = misc_register(&libcfs_dev);
if (rc) {
CERROR("misc_register: error %d\n", rc);
goto cleanup_lwt;
}
- rc = PtlInit();
- if (rc) {
- CERROR("PtlInit: error %d\n", rc);
- goto cleanup_deregister;
- }
-
rc = insert_proc();
if (rc) {
CERROR("insert_proc: error %d\n", rc);
- goto cleanup_fini;
- }
-
- rc = kportal_nal_register(ROUTER, kportal_router_cmd, NULL);
- if (rc) {
- CERROR("kportal_nal_registre: ROUTER error %d\n", rc);
- goto cleanup_proc;
+ goto cleanup_deregister;
}
CDEBUG (D_OTHER, "portals setup OK\n");
return (0);
- cleanup_proc:
- remove_proc();
- cleanup_fini:
- PtlFini();
cleanup_deregister:
- misc_deregister(&portal_dev);
+ misc_deregister(&libcfs_dev);
cleanup_lwt:
#if LWT_SUPPORT
lwt_fini();
return rc;
}
-static void exit_kportals_module(void)
+static void exit_libcfs_module(void)
{
int rc;
- kportal_nal_unregister(ROUTER);
remove_proc();
- PtlFini();
CDEBUG(D_MALLOC, "before Portals cleanup: kmem %d\n",
atomic_read(&portal_kmemory));
- rc = misc_deregister(&portal_dev);
+ rc = misc_deregister(&libcfs_dev);
if (rc)
CERROR("misc_deregister error %d\n", rc);
printk(KERN_ERR "LustreError: portals_debug_cleanup: %d\n", rc);
}
-EXPORT_SYMBOL(lib_dispatch);
-EXPORT_SYMBOL(PtlMEAttach);
-EXPORT_SYMBOL(PtlMEInsert);
-EXPORT_SYMBOL(PtlMEUnlink);
-EXPORT_SYMBOL(PtlEQAlloc);
-EXPORT_SYMBOL(PtlMDAttach);
-EXPORT_SYMBOL(PtlMDUnlink);
-EXPORT_SYMBOL(PtlNIInit);
-EXPORT_SYMBOL(PtlNIFini);
-EXPORT_SYMBOL(PtlNIDebug);
-EXPORT_SYMBOL(PtlInit);
-EXPORT_SYMBOL(PtlFini);
-EXPORT_SYMBOL(PtlPut);
-EXPORT_SYMBOL(PtlGet);
-EXPORT_SYMBOL(ptl_err_str);
-EXPORT_SYMBOL(portal_subsystem_debug);
-EXPORT_SYMBOL(portal_debug);
-EXPORT_SYMBOL(portal_stack);
-EXPORT_SYMBOL(portal_printk);
-EXPORT_SYMBOL(portal_cerror);
-EXPORT_SYMBOL(PtlEQWait);
-EXPORT_SYMBOL(PtlEQFree);
-EXPORT_SYMBOL(PtlEQGet);
-EXPORT_SYMBOL(PtlGetId);
-EXPORT_SYMBOL(PtlMDBind);
-EXPORT_SYMBOL(lib_iov_nob);
-EXPORT_SYMBOL(lib_copy_iov2buf);
-EXPORT_SYMBOL(lib_copy_buf2iov);
-EXPORT_SYMBOL(lib_extract_iov);
-EXPORT_SYMBOL(lib_kiov_nob);
-EXPORT_SYMBOL(lib_copy_kiov2buf);
-EXPORT_SYMBOL(lib_copy_buf2kiov);
-EXPORT_SYMBOL(lib_extract_kiov);
-EXPORT_SYMBOL(lib_finalize);
-EXPORT_SYMBOL(lib_parse);
-EXPORT_SYMBOL(lib_fake_reply_msg);
-EXPORT_SYMBOL(lib_init);
-EXPORT_SYMBOL(lib_fini);
-EXPORT_SYMBOL(portal_kmemory);
EXPORT_SYMBOL(kportal_daemonize);
EXPORT_SYMBOL(kportal_blockallsigs);
-EXPORT_SYMBOL(kportal_nal_register);
-EXPORT_SYMBOL(kportal_nal_unregister);
EXPORT_SYMBOL(kportal_assertion_failed);
-EXPORT_SYMBOL(dispatch_name);
-EXPORT_SYMBOL(kportal_get_ni);
-EXPORT_SYMBOL(kportal_put_ni);
-EXPORT_SYMBOL(kportal_nal_cmd);
-module_init(init_kportals_module);
-module_exit (exit_kportals_module);
+module_init(init_libcfs_module);
+module_exit(exit_libcfs_module);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff