Lines Matching refs:window
30 void vas_win_paste_addr(struct pnv_vas_window *window, u64 *addr, int *len) in vas_win_paste_addr() argument
35 base = window->vinst->paste_base_addr; in vas_win_paste_addr()
36 shift = window->vinst->paste_win_id_shift; in vas_win_paste_addr()
37 winid = window->vas_win.winid; in vas_win_paste_addr()
46 static inline void get_hvwc_mmio_bar(struct pnv_vas_window *window, in get_hvwc_mmio_bar() argument
51 pbaddr = window->vinst->hvwc_bar_start; in get_hvwc_mmio_bar()
52 *start = pbaddr + window->vas_win.winid * VAS_HVWC_SIZE; in get_hvwc_mmio_bar()
56 static inline void get_uwc_mmio_bar(struct pnv_vas_window *window, in get_uwc_mmio_bar() argument
61 pbaddr = window->vinst->uwc_bar_start; in get_uwc_mmio_bar()
62 *start = pbaddr + window->vas_win.winid * VAS_UWC_SIZE; in get_uwc_mmio_bar()
136 static void unmap_paste_region(struct pnv_vas_window *window) in unmap_paste_region() argument
141 if (window->paste_kaddr) { in unmap_paste_region()
142 vas_win_paste_addr(window, &busaddr_start, &len); in unmap_paste_region()
143 unmap_region(window->paste_kaddr, busaddr_start, len); in unmap_paste_region()
144 window->paste_kaddr = NULL; in unmap_paste_region()
145 kfree(window->paste_addr_name); in unmap_paste_region()
146 window->paste_addr_name = NULL; in unmap_paste_region()
157 static void unmap_winctx_mmio_bars(struct pnv_vas_window *window) in unmap_winctx_mmio_bars() argument
166 hvwc_map = window->hvwc_map; in unmap_winctx_mmio_bars()
167 window->hvwc_map = NULL; in unmap_winctx_mmio_bars()
169 uwc_map = window->uwc_map; in unmap_winctx_mmio_bars()
170 window->uwc_map = NULL; in unmap_winctx_mmio_bars()
175 get_hvwc_mmio_bar(window, &busaddr_start, &len); in unmap_winctx_mmio_bars()
180 get_uwc_mmio_bar(window, &busaddr_start, &len); in unmap_winctx_mmio_bars()
190 static int map_winctx_mmio_bars(struct pnv_vas_window *window) in map_winctx_mmio_bars() argument
195 get_hvwc_mmio_bar(window, &start, &len); in map_winctx_mmio_bars()
196 window->hvwc_map = map_mmio_region("HVWCM_Window", start, len); in map_winctx_mmio_bars()
198 get_uwc_mmio_bar(window, &start, &len); in map_winctx_mmio_bars()
199 window->uwc_map = map_mmio_region("UWCM_Window", start, len); in map_winctx_mmio_bars()
201 if (!window->hvwc_map || !window->uwc_map) { in map_winctx_mmio_bars()
202 unmap_winctx_mmio_bars(window); in map_winctx_mmio_bars()
218 static void reset_window_regs(struct pnv_vas_window *window) in reset_window_regs() argument
220 write_hvwc_reg(window, VREG(LPID), 0ULL); in reset_window_regs()
221 write_hvwc_reg(window, VREG(PID), 0ULL); in reset_window_regs()
222 write_hvwc_reg(window, VREG(XLATE_MSR), 0ULL); in reset_window_regs()
223 write_hvwc_reg(window, VREG(XLATE_LPCR), 0ULL); in reset_window_regs()
224 write_hvwc_reg(window, VREG(XLATE_CTL), 0ULL); in reset_window_regs()
225 write_hvwc_reg(window, VREG(AMR), 0ULL); in reset_window_regs()
226 write_hvwc_reg(window, VREG(SEIDR), 0ULL); in reset_window_regs()
227 write_hvwc_reg(window, VREG(FAULT_TX_WIN), 0ULL); in reset_window_regs()
228 write_hvwc_reg(window, VREG(OSU_INTR_SRC_RA), 0ULL); in reset_window_regs()
229 write_hvwc_reg(window, VREG(HV_INTR_SRC_RA), 0ULL); in reset_window_regs()
230 write_hvwc_reg(window, VREG(PSWID), 0ULL); in reset_window_regs()
231 write_hvwc_reg(window, VREG(LFIFO_BAR), 0ULL); in reset_window_regs()
232 write_hvwc_reg(window, VREG(LDATA_STAMP_CTL), 0ULL); in reset_window_regs()
233 write_hvwc_reg(window, VREG(LDMA_CACHE_CTL), 0ULL); in reset_window_regs()
234 write_hvwc_reg(window, VREG(LRFIFO_PUSH), 0ULL); in reset_window_regs()
235 write_hvwc_reg(window, VREG(CURR_MSG_COUNT), 0ULL); in reset_window_regs()
236 write_hvwc_reg(window, VREG(LNOTIFY_AFTER_COUNT), 0ULL); in reset_window_regs()
237 write_hvwc_reg(window, VREG(LRX_WCRED), 0ULL); in reset_window_regs()
238 write_hvwc_reg(window, VREG(LRX_WCRED_ADDER), 0ULL); in reset_window_regs()
239 write_hvwc_reg(window, VREG(TX_WCRED), 0ULL); in reset_window_regs()
240 write_hvwc_reg(window, VREG(TX_WCRED_ADDER), 0ULL); in reset_window_regs()
241 write_hvwc_reg(window, VREG(LFIFO_SIZE), 0ULL); in reset_window_regs()
242 write_hvwc_reg(window, VREG(WINCTL), 0ULL); in reset_window_regs()
243 write_hvwc_reg(window, VREG(WIN_STATUS), 0ULL); in reset_window_regs()
244 write_hvwc_reg(window, VREG(WIN_CTX_CACHING_CTL), 0ULL); in reset_window_regs()
245 write_hvwc_reg(window, VREG(TX_RSVD_BUF_COUNT), 0ULL); in reset_window_regs()
246 write_hvwc_reg(window, VREG(LRFIFO_WIN_PTR), 0ULL); in reset_window_regs()
247 write_hvwc_reg(window, VREG(LNOTIFY_CTL), 0ULL); in reset_window_regs()
248 write_hvwc_reg(window, VREG(LNOTIFY_PID), 0ULL); in reset_window_regs()
249 write_hvwc_reg(window, VREG(LNOTIFY_LPID), 0ULL); in reset_window_regs()
250 write_hvwc_reg(window, VREG(LNOTIFY_TID), 0ULL); in reset_window_regs()
251 write_hvwc_reg(window, VREG(LNOTIFY_SCOPE), 0ULL); in reset_window_regs()
252 write_hvwc_reg(window, VREG(NX_UTIL_ADDER), 0ULL); in reset_window_regs()
274 static void init_xlate_regs(struct pnv_vas_window *window, bool user_win) in init_xlate_regs() argument
289 write_hvwc_reg(window, VREG(XLATE_MSR), val); in init_xlate_regs()
304 write_hvwc_reg(window, VREG(XLATE_LPCR), val); in init_xlate_regs()
315 write_hvwc_reg(window, VREG(XLATE_CTL), val); in init_xlate_regs()
322 write_hvwc_reg(window, VREG(AMR), val); in init_xlate_regs()
326 write_hvwc_reg(window, VREG(SEIDR), val); in init_xlate_regs()
361 static void init_winctx_regs(struct pnv_vas_window *window, in init_winctx_regs() argument
367 reset_window_regs(window); in init_winctx_regs()
371 write_hvwc_reg(window, VREG(LPID), val); in init_winctx_regs()
375 write_hvwc_reg(window, VREG(PID), val); in init_winctx_regs()
377 init_xlate_regs(window, winctx->user_win); in init_winctx_regs()
381 write_hvwc_reg(window, VREG(FAULT_TX_WIN), val); in init_winctx_regs()
384 write_hvwc_reg(window, VREG(OSU_INTR_SRC_RA), 0ULL); in init_winctx_regs()
388 write_hvwc_reg(window, VREG(HV_INTR_SRC_RA), val); in init_winctx_regs()
392 write_hvwc_reg(window, VREG(PSWID), val); in init_winctx_regs()
394 write_hvwc_reg(window, VREG(SPARE1), 0ULL); in init_winctx_regs()
395 write_hvwc_reg(window, VREG(SPARE2), 0ULL); in init_winctx_regs()
396 write_hvwc_reg(window, VREG(SPARE3), 0ULL); in init_winctx_regs()
409 write_hvwc_reg(window, VREG(LFIFO_BAR), val); in init_winctx_regs()
413 write_hvwc_reg(window, VREG(LDATA_STAMP_CTL), val); in init_winctx_regs()
418 write_hvwc_reg(window, VREG(LDMA_CACHE_CTL), val); in init_winctx_regs()
420 write_hvwc_reg(window, VREG(LRFIFO_PUSH), 0ULL); in init_winctx_regs()
421 write_hvwc_reg(window, VREG(CURR_MSG_COUNT), 0ULL); in init_winctx_regs()
422 write_hvwc_reg(window, VREG(LNOTIFY_AFTER_COUNT), 0ULL); in init_winctx_regs()
426 write_hvwc_reg(window, VREG(LRX_WCRED), val); in init_winctx_regs()
430 write_hvwc_reg(window, VREG(TX_WCRED), val); in init_winctx_regs()
432 write_hvwc_reg(window, VREG(LRX_WCRED_ADDER), 0ULL); in init_winctx_regs()
433 write_hvwc_reg(window, VREG(TX_WCRED_ADDER), 0ULL); in init_winctx_regs()
439 write_hvwc_reg(window, VREG(LFIFO_SIZE), val); in init_winctx_regs()
446 write_hvwc_reg(window, VREG(WIN_STATUS), 0ULL); in init_winctx_regs()
448 init_rsvd_tx_buf_count(window, winctx); in init_winctx_regs()
453 write_hvwc_reg(window, VREG(LRFIFO_WIN_PTR), val); in init_winctx_regs()
455 write_hvwc_reg(window, VREG(SPARE4), 0ULL); in init_winctx_regs()
462 write_hvwc_reg(window, VREG(LNOTIFY_CTL), val); in init_winctx_regs()
466 write_hvwc_reg(window, VREG(LNOTIFY_PID), val); in init_winctx_regs()
470 write_hvwc_reg(window, VREG(LNOTIFY_LPID), val); in init_winctx_regs()
474 write_hvwc_reg(window, VREG(LNOTIFY_TID), val); in init_winctx_regs()
479 write_hvwc_reg(window, VREG(LNOTIFY_SCOPE), val); in init_winctx_regs()
483 write_hvwc_reg(window, VREG(SPARE5), 0ULL); in init_winctx_regs()
484 write_hvwc_reg(window, VREG(NX_UTIL_ADDER), 0ULL); in init_winctx_regs()
485 write_hvwc_reg(window, VREG(SPARE6), 0ULL); in init_winctx_regs()
490 write_hvwc_reg(window, VREG(WIN_CTX_CACHING_CTL), val); in init_winctx_regs()
503 write_hvwc_reg(window, VREG(WINCTL), val); in init_winctx_regs()
523 static void vas_window_free(struct pnv_vas_window *window) in vas_window_free() argument
525 struct vas_instance *vinst = window->vinst; in vas_window_free()
526 int winid = window->vas_win.winid; in vas_window_free()
528 unmap_winctx_mmio_bars(window); in vas_window_free()
530 vas_window_free_dbgdir(window); in vas_window_free()
532 kfree(window); in vas_window_free()
540 struct pnv_vas_window *window; in vas_window_alloc() local
546 window = kzalloc(sizeof(*window), GFP_KERNEL); in vas_window_alloc()
547 if (!window) in vas_window_alloc()
550 window->vinst = vinst; in vas_window_alloc()
551 window->vas_win.winid = winid; in vas_window_alloc()
553 if (map_winctx_mmio_bars(window)) in vas_window_alloc()
556 vas_window_init_dbgdir(window); in vas_window_alloc()
558 return window; in vas_window_alloc()
561 kfree(window); in vas_window_alloc()
643 struct pnv_vas_window *window) in set_vinst_win() argument
645 int id = window->vas_win.winid; in set_vinst_win()
653 if (!window->user_win && !window->tx_win) { in set_vinst_win()
654 WARN_ON_ONCE(vinst->rxwin[window->vas_win.cop]); in set_vinst_win()
655 vinst->rxwin[window->vas_win.cop] = window; in set_vinst_win()
659 vinst->windows[id] = window; in set_vinst_win()
668 static void clear_vinst_win(struct pnv_vas_window *window) in clear_vinst_win() argument
670 int id = window->vas_win.winid; in clear_vinst_win()
671 struct vas_instance *vinst = window->vinst; in clear_vinst_win()
675 if (!window->user_win && !window->tx_win) { in clear_vinst_win()
676 WARN_ON_ONCE(!vinst->rxwin[window->vas_win.cop]); in clear_vinst_win()
677 vinst->rxwin[window->vas_win.cop] = NULL; in clear_vinst_win()
680 WARN_ON_ONCE(vinst->windows[id] != window); in clear_vinst_win()
1155 static void poll_window_credits(struct pnv_vas_window *window) in poll_window_credits() argument
1161 val = read_hvwc_reg(window, VREG(WINCTL)); in poll_window_credits()
1162 if (window->tx_win) in poll_window_credits()
1170 if (window->tx_win) { in poll_window_credits()
1171 val = read_hvwc_reg(window, VREG(TX_WCRED)); in poll_window_credits()
1174 val = read_hvwc_reg(window, VREG(LRX_WCRED)); in poll_window_credits()
1185 if (creds < window->vas_win.wcreds_max) { in poll_window_credits()
1196 vas_window_pid(&window->vas_win), in poll_window_credits()
1197 window->vas_win.winid, in poll_window_credits()
1209 static void poll_window_busy_state(struct pnv_vas_window *window) in poll_window_busy_state() argument
1216 val = read_hvwc_reg(window, VREG(WIN_STATUS)); in poll_window_busy_state()
1229 vas_window_pid(&window->vas_win), in poll_window_busy_state()
1230 window->vas_win.winid, count); in poll_window_busy_state()
1252 static void poll_window_castout(struct pnv_vas_window *window) in poll_window_castout() argument
1261 static void unpin_close_window(struct pnv_vas_window *window) in unpin_close_window() argument
1265 val = read_hvwc_reg(window, VREG(WINCTL)); in unpin_close_window()
1268 write_hvwc_reg(window, VREG(WINCTL), val); in unpin_close_window()
1285 struct pnv_vas_window *window; in vas_win_close() local
1290 window = container_of(vwin, struct pnv_vas_window, vas_win); in vas_win_close()
1292 if (!window->tx_win && atomic_read(&window->num_txwins) != 0) { in vas_win_close()
1298 unmap_paste_region(window); in vas_win_close()
1300 poll_window_busy_state(window); in vas_win_close()
1302 unpin_close_window(window); in vas_win_close()
1304 poll_window_credits(window); in vas_win_close()
1306 clear_vinst_win(window); in vas_win_close()
1308 poll_window_castout(window); in vas_win_close()
1311 if (window->tx_win) { in vas_win_close()
1312 if (window->user_win) { in vas_win_close()
1316 put_rx_win(window->rxwin); in vas_win_close()
1319 vas_window_free(window); in vas_win_close()
1347 void vas_return_credit(struct pnv_vas_window *window, bool tx) in vas_return_credit() argument
1354 write_hvwc_reg(window, VREG(TX_WCRED_ADDER), val); in vas_return_credit()
1357 write_hvwc_reg(window, VREG(LRX_WCRED_ADDER), val); in vas_return_credit()
1364 struct pnv_vas_window *window; in vas_pswid_to_window() local
1386 window = vinst->windows[winid]; in vas_pswid_to_window()
1388 if (!window) { in vas_pswid_to_window()
1400 if (!window->tx_win || !window->user_win || !window->nx_win || in vas_pswid_to_window()
1401 window->vas_win.cop == VAS_COP_TYPE_FAULT || in vas_pswid_to_window()
1402 window->vas_win.cop == VAS_COP_TYPE_FTW) { in vas_pswid_to_window()
1404 winid, window->tx_win, window->user_win, in vas_pswid_to_window()
1405 window->nx_win, window->vas_win.cop); in vas_pswid_to_window()
1409 return window; in vas_pswid_to_window()