37 static long hcall_return_busy_check(long rc)  in hcall_return_busy_check()  argument
40 	if (H_IS_LONG_BUSY(rc)) {  in hcall_return_busy_check()
41 		msleep(get_longbusy_msecs(rc));  in hcall_return_busy_check()
42 		rc = H_BUSY;  in hcall_return_busy_check()
43 	} else if (rc == H_BUSY) {  in hcall_return_busy_check()
47 	return rc;  in hcall_return_busy_check()
57 	long rc;  in h_allocate_vas_window()  local
60 		rc = plpar_hcall9(H_ALLOCATE_VAS_WINDOW, retbuf, wintype,  in h_allocate_vas_window()
64 		rc = hcall_return_busy_check(rc);  in h_allocate_vas_window()
65 	} while (rc == H_BUSY);  in h_allocate_vas_window()
67 	if (rc == H_SUCCESS) {  in h_allocate_vas_window()
80 		rc, wintype, credits);  in h_allocate_vas_window()
90 	long rc;  in h_deallocate_vas_window()  local
93 		rc = plpar_hcall_norets(H_DEALLOCATE_VAS_WINDOW, winid);  in h_deallocate_vas_window()
95 		rc = hcall_return_busy_check(rc);  in h_deallocate_vas_window()
96 	} while (rc == H_BUSY);  in h_deallocate_vas_window()
98 	if (rc == H_SUCCESS)  in h_deallocate_vas_window()
102 		rc, winid);  in h_deallocate_vas_window()
113 	long rc;  in h_modify_vas_window()  local
120 		rc = plpar_hcall_norets(H_MODIFY_VAS_WINDOW,  in h_modify_vas_window()
124 		rc = hcall_return_busy_check(rc);  in h_modify_vas_window()
125 	} while (rc == H_BUSY);  in h_modify_vas_window()
127 	if (rc == H_SUCCESS)  in h_modify_vas_window()
131 			rc, win->vas_win.winid, win->pid);  in h_modify_vas_window()
150 	long rc;  in h_query_vas_capabilities()  local
152 	rc = plpar_hcall_norets(hcall, query_type, result);  in h_query_vas_capabilities()
154 	if (rc == H_SUCCESS)  in h_query_vas_capabilities()
158 	if (rc != H_FUNCTION) {  in h_query_vas_capabilities()
163 			rc, query_type, result);  in h_query_vas_capabilities()
175 	long rc;  in h_get_nx_fault()  local
177 	rc = plpar_hcall_norets(H_GET_NX_FAULT, winid, buffer);  in h_get_nx_fault()
179 	if (rc == H_SUCCESS)  in h_get_nx_fault()
183 		rc, winid, buffer);  in h_get_nx_fault()
202 	int rc;  in pseries_vas_fault_thread_fn()  local
205 		rc = h_get_nx_fault(txwin->vas_win.winid, (u64)virt_to_phys(&crb));  in pseries_vas_fault_thread_fn()
206 		if (!rc) {  in pseries_vas_fault_thread_fn()
245 	int rc;  in allocate_setup_window()  local
247 	rc = h_allocate_vas_window(txwin, domain, wintype, DEF_WIN_CREDS);  in allocate_setup_window()
248 	if (rc)  in allocate_setup_window()
249 		return rc;  in allocate_setup_window()
258 		rc = -EINVAL;  in allocate_setup_window()
265 		rc = -ENOMEM;  in allocate_setup_window()
269 	rc = request_threaded_irq(txwin->fault_virq,  in allocate_setup_window()
273 	if (rc) {  in allocate_setup_window()
275 		       txwin->vas_win.winid, txwin->fault_virq, rc);  in allocate_setup_window()
288 	return rc;  in allocate_setup_window()
305 	int rc;  in vas_allocate_window()  local
345 		rc = -EINVAL;  in vas_allocate_window()
362 		rc = plpar_hcall9(H_HOME_NODE_ASSOCIATIVITY, domain,  in vas_allocate_window()
364 		if (rc != H_SUCCESS) {  in vas_allocate_window()
365 			pr_err("H_HOME_NODE_ASSOCIATIVITY error: %d\n", rc);  in vas_allocate_window()
389 		rc = -EBUSY;  in vas_allocate_window()
391 		rc = allocate_setup_window(txwin, (u64 *)&domain[0],  in vas_allocate_window()
394 	if (rc)  in vas_allocate_window()
400 	rc = h_modify_vas_window(txwin);  in vas_allocate_window()
401 	if (!rc)  in vas_allocate_window()
402 		rc = get_vas_user_win_ref(&txwin->vas_win.task_ref);  in vas_allocate_window()
403 	if (rc)  in vas_allocate_window()
426 	rc = -EBUSY;  in vas_allocate_window()
439 	return ERR_PTR(rc);  in vas_allocate_window()
452 	int rc = 0;  in deallocate_free_window()  local
463 	rc = h_deallocate_vas_window(win->vas_win.winid);  in deallocate_free_window()
464 	if (!rc)  in deallocate_free_window()
467 	return rc;  in deallocate_free_window()
474 	int rc = 0;  in vas_deallocate_window()  local
498 		rc = deallocate_free_window(win);  in vas_deallocate_window()
499 		if (rc) {  in vas_deallocate_window()
501 			return rc;  in vas_deallocate_window()
553 	int rc = 0;  in get_vas_capabilities()  local
562 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, feat,  in get_vas_capabilities()
564 	if (rc)  in get_vas_capabilities()
565 		return rc;  in get_vas_capabilities()
593 	rc = sysfs_add_vas_caps(caps);  in get_vas_capabilities()
594 	if (rc)  in get_vas_capabilities()
595 		return rc;  in get_vas_capabilities()
616 	int rc, mv_ents = 0;  in reconfig_open_windows()  local
680 		rc = allocate_setup_window(win, (u64 *)&domain[0],  in reconfig_open_windows()
682 		if (rc)  in reconfig_open_windows()
683 			return rc;  in reconfig_open_windows()
685 		rc = h_modify_vas_window(win);  in reconfig_open_windows()
686 		if (rc)  in reconfig_open_windows()
708 	return rc;  in reconfig_open_windows()
726 	int rc = 0, flag;  in reconfig_close_windows()  local
780 		rc = deallocate_free_window(win);  in reconfig_close_windows()
786 		if (rc && !migrate)  in reconfig_close_windows()
787 			return rc;  in reconfig_close_windows()
815 	int rc = 0, nr_active_wins;  in vas_reconfig_capabilties()  local
842 		rc = reconfig_open_windows(vcaps, new_nr_creds - old_nr_creds,  in vas_reconfig_capabilties()
852 			rc = reconfig_close_windows(vcaps,  in vas_reconfig_capabilties()
858 	return rc;  in vas_reconfig_capabilties()
863 	int new_nr_creds, rc;  in pseries_vas_dlpar_cpu()  local
872 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,  in pseries_vas_dlpar_cpu()
875 	if (!rc) {  in pseries_vas_dlpar_cpu()
877 		rc = vas_reconfig_capabilties(VAS_GZIP_DEF_FEAT_TYPE, new_nr_creds);  in pseries_vas_dlpar_cpu()
880 	if (rc)  in pseries_vas_dlpar_cpu()
883 	return rc;  in pseries_vas_dlpar_cpu()
938 	int i, rc = 0;  in vas_migration_handler()  local
944 		return rc;  in vas_migration_handler()
958 		rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES,  in vas_migration_handler()
961 		if (!rc) {  in vas_migration_handler()
979 				action, rc);  in vas_migration_handler()
993 			rc = reconfig_close_windows(vcaps, vcaps->nr_open_windows,  in vas_migration_handler()
998 			rc = reconfig_open_windows(vcaps, new_nr_creds, true);  in vas_migration_handler()
1003 			rc = -EINVAL;  in vas_migration_handler()
1010 		if (rc && (action == VAS_RESUME))  in vas_migration_handler()
1016 	return rc;  in vas_migration_handler()
1022 	int rc = 0;  in pseries_vas_init()  local
1039 	rc = h_query_vas_capabilities(H_QUERY_VAS_CAPABILITIES, 0,  in pseries_vas_init()
1041 	if (rc)  in pseries_vas_init()
1053 		rc = get_vas_capabilities(VAS_GZIP_QOS_FEAT,  in pseries_vas_init()
1056 		if (rc)  in pseries_vas_init()
1063 		rc = get_vas_capabilities(VAS_GZIP_DEF_FEAT,  in pseries_vas_init()
1066 	if (!rc && copypaste_feat) {  in pseries_vas_init()
1082 	return rc;  in pseries_vas_init()