36 static long hcall_return_busy_check(long rc)  in hcall_return_busy_check()  argument
39 	if (H_IS_LONG_BUSY(rc)) {  in hcall_return_busy_check()
40 		msleep(get_longbusy_msecs(rc));  in hcall_return_busy_check()
41 		rc = H_BUSY;  in hcall_return_busy_check()
42 	} else if (rc == H_BUSY) {  in hcall_return_busy_check()
46 	return rc;  in hcall_return_busy_check()
56 	long rc;  in h_allocate_vas_window()  local
59 		rc = plpar_hcall9(H_ALLOCATE_VAS_WINDOW, retbuf, wintype,  in h_allocate_vas_window()
63 		rc = hcall_return_busy_check(rc);  in h_allocate_vas_window()
64 	} while (rc == H_BUSY);  in h_allocate_vas_window()
66 	if (rc == H_SUCCESS) {  in h_allocate_vas_window()
79 		rc, wintype, credits);  in h_allocate_vas_window()
89 	long rc;  in h_deallocate_vas_window()  local
92 		rc = plpar_hcall_norets(H_DEALLOCATE_VAS_WINDOW, winid);  in h_deallocate_vas_window()
94 		rc = hcall_return_busy_check(rc);  in h_deallocate_vas_window()
95 	} while (rc == H_BUSY);  in h_deallocate_vas_window()
97 	if (rc == H_SUCCESS)  in h_deallocate_vas_window()
101 		rc, winid);  in h_deallocate_vas_window()
112 	long rc;  in h_modify_vas_window()  local
119 		rc = plpar_hcall_norets(H_MODIFY_VAS_WINDOW,  in h_modify_vas_window()
123 		rc = hcall_return_busy_check(rc);  in h_modify_vas_window()
124 	} while (rc == H_BUSY);  in h_modify_vas_window()
126 	if (rc == H_SUCCESS)  in h_modify_vas_window()
130 			rc, win->vas_win.winid, win->pid);  in h_modify_vas_window()
149 	long rc;  in h_query_vas_capabilities()  local
151 	rc = plpar_hcall_norets(hcall, query_type, result);  in h_query_vas_capabilities()
153 	if (rc == H_SUCCESS)  in h_query_vas_capabilities()
157 	if (rc != H_FUNCTION) {  in h_query_vas_capabilities()
162 			rc, query_type, result);  in h_query_vas_capabilities()
174 	long rc;  in h_get_nx_fault()  local
176 	rc = plpar_hcall_norets(H_GET_NX_FAULT, winid, buffer);  in h_get_nx_fault()
178 	if (rc == H_SUCCESS)  in h_get_nx_fault()
182 		rc, winid, buffer);  in h_get_nx_fault()
201 	int rc;  in pseries_vas_fault_thread_fn()  local
204 		rc = h_get_nx_fault(txwin->vas_win.winid, (u64)virt_to_phys(&crb));  in pseries_vas_fault_thread_fn()
205 		if (!rc) {  in pseries_vas_fault_thread_fn()
244 	int rc;  in allocate_setup_window()  local
246 	rc = h_allocate_vas_window(txwin, domain, wintype, DEF_WIN_CREDS);  in allocate_setup_window()
247 	if (rc)  in allocate_setup_window()
248 		return rc;  in allocate_setup_window()
257 		rc = -EINVAL;  in allocate_setup_window()
264 		rc = -ENOMEM;  in allocate_setup_window()
268 	rc = request_threaded_irq(txwin->fault_virq,  in allocate_setup_window()
272 	if (rc) {  in allocate_setup_window()
274 		       txwin->vas_win.winid, txwin->fault_virq, rc);  in allocate_setup_window()
287 	return rc;  in allocate_setup_window()
304 	int rc;  in vas_allocate_window()  local
344 		rc = -EINVAL;  in vas_allocate_window()
361 		rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, domain,  in vas_allocate_window()
363 		if (rc != H_SUCCESS) {  in vas_allocate_window()
364 			pr_err("H_HOME_NODE_ASSOCIATIVITY error: %d\n", rc);  in vas_allocate_window()
388 		rc = -EBUSY;  in vas_allocate_window()
390 		rc = allocate_setup_window(txwin, (u64 *)&domain[0],  in vas_allocate_window()
393 	if (rc)  in vas_allocate_window()
399 	rc = h_modify_vas_window(txwin);  in vas_allocate_window()
400 	if (!rc)  in vas_allocate_window()
401 		rc = get_vas_user_win_ref(&txwin->vas_win.task_ref);  in vas_allocate_window()
402 	if (rc)  in vas_allocate_window()
425 	rc = -EBUSY;  in vas_allocate_window()
438 	return ERR_PTR(rc);  in vas_allocate_window()
451 	int rc = 0;  in deallocate_free_window()  local
462 	rc = h_deallocate_vas_window(win->vas_win.winid);  in deallocate_free_window()
463 	if (!rc)  in deallocate_free_window()
466 	return rc;  in deallocate_free_window()
473 	int rc = 0;  in vas_deallocate_window()  local
497 		rc = deallocate_free_window(win);  in vas_deallocate_window()
498 		if (rc) {  in vas_deallocate_window()
500 			return rc;  in vas_deallocate_window()
552 	int rc = 0;  in get_vas_capabilities()  local
561 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, feat,  in get_vas_capabilities()
563 	if (rc)  in get_vas_capabilities()
564 		return rc;  in get_vas_capabilities()
592 	rc = sysfs_add_vas_caps(caps);  in get_vas_capabilities()
593 	if (rc)  in get_vas_capabilities()
594 		return rc;  in get_vas_capabilities()
615 	int rc, mv_ents = 0;  in reconfig_open_windows()  local
679 		rc = allocate_setup_window(win, (u64 *)&domain[0],  in reconfig_open_windows()
681 		if (rc)  in reconfig_open_windows()
682 			return rc;  in reconfig_open_windows()
684 		rc = h_modify_vas_window(win);  in reconfig_open_windows()
685 		if (rc)  in reconfig_open_windows()
707 	return rc;  in reconfig_open_windows()
725 	int rc = 0, flag;  in reconfig_close_windows()  local
775 		rc = deallocate_free_window(win);  in reconfig_close_windows()
781 		if (rc && !migrate)  in reconfig_close_windows()
782 			return rc;  in reconfig_close_windows()
810 	int rc = 0, nr_active_wins;  in vas_reconfig_capabilties()  local
837 		rc = reconfig_open_windows(vcaps, new_nr_creds - old_nr_creds,  in vas_reconfig_capabilties()
847 			rc = reconfig_close_windows(vcaps,  in vas_reconfig_capabilties()
853 	return rc;  in vas_reconfig_capabilties()
858 	int new_nr_creds, rc;  in pseries_vas_dlpar_cpu()  local
860 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,  in pseries_vas_dlpar_cpu()
863 	if (!rc) {  in pseries_vas_dlpar_cpu()
865 		rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE, new_nr_creds);  in pseries_vas_dlpar_cpu()
868 	if (rc)  in pseries_vas_dlpar_cpu()
871 	return rc;  in pseries_vas_dlpar_cpu()
926 	int i, rc = 0;  in vas_migration_handler()  local
932 		return rc;  in vas_migration_handler()
946 		rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,  in vas_migration_handler()
949 		if (!rc) {  in vas_migration_handler()
967 				action, rc);  in vas_migration_handler()
981 			rc = reconfig_close_windows(vcaps, vcaps->nr_open_windows,  in vas_migration_handler()
986 			rc = reconfig_open_windows(vcaps, new_nr_creds, true);  in vas_migration_handler()
991 			rc = -EINVAL;  in vas_migration_handler()
998 		if (rc && (action == VAS_RESUME))  in vas_migration_handler()
1004 	return rc;  in vas_migration_handler()
1010 	int rc = 0;  in pseries_vas_init()  local
1026 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, 0,  in pseries_vas_init()
1028 	if (rc)  in pseries_vas_init()
1040 		rc = get_vas_capabilities(VAS_GZIP_QOS_FEAT,  in pseries_vas_init()
1043 		if (rc)  in pseries_vas_init()
1050 		rc = get_vas_capabilities(VAS_GZIP_DEF_FEAT,  in pseries_vas_init()
1053 	if (!rc && copypaste_feat) {  in pseries_vas_init()
1069 	return rc;  in pseries_vas_init()