xref: /titanic_41/usr/src/uts/sun4v/io/px/px_hcall.s (revision 159d09a20817016f09b3ea28d1bdada4a336bb91)
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#pragma ident	"%Z%%M%	%I%	%E% SMI"
27
28/*
29 * Hypervisor calls called by px nexus driver.
30*/
31
32#include <sys/asm_linkage.h>
33#include <sys/hypervisor_api.h>
34#include <sys/dditypes.h>
35#include <px_ioapi.h>
36#include "px_lib4v.h"
37
38#if defined(lint) || defined(__lint)
39
40/*ARGSUSED*/
41uint64_t
42hvio_config_get(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
43    pci_config_size_t size, pci_cfg_data_t *data_p)
44{ return (0); }
45
46/*ARGSUSED*/
47uint64_t
48hvio_config_put(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
49    pci_config_size_t size, pci_cfg_data_t data)
50{ return (0); }
51
52/*ARGSUSED*/
53uint64_t
54hvio_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
55    io_attributes_t attr, io_page_list_t *io_page_list_p,
56    pages_t *pages_mapped)
57{ return (0); }
58
59/*ARGSUSED*/
60uint64_t
61hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
62    pages_t *pages_demapped)
63{ return (0); }
64
65/*ARGSUSED*/
66uint64_t
67hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid, io_attributes_t *attr_p,
68    r_addr_t *r_addr_p)
69{ return (0); }
70
71/*ARGSUSED*/
72uint64_t
73hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra, io_attributes_t attr,
74    io_addr_t *io_addr_p)
75{ return (0); }
76
77/*ARGSUSED*/
78uint64_t
79hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size, uint32_t *status,
80    uint64_t *data_p)
81{ return (0); }
82
83/*ARGSUSED*/
84uint64_t
85hvio_poke(devhandle_t dev_hdl, r_addr_t ra, uint64_t sizes, uint64_t data,
86    r_addr_t ra2, uint32_t *rdbk_status)
87{ return (0); }
88
89/*ARGSUSED*/
90uint64_t
91hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra, size_t num_bytes,
92    io_sync_direction_t io_sync_direction, size_t *bytes_synched)
93{ return (0); }
94
95/*ARGSUSED*/
96uint64_t
97hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t ra,
98    uint_t msiq_rec_cnt)
99{ return (0); }
100
101/*ARGSUSED*/
102uint64_t
103hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t *r_addr_p,
104    uint_t *msiq_rec_cnt_p)
105{ return (0); }
106
107/*ARGSUSED*/
108uint64_t
109hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
110    pci_msiq_valid_state_t *msiq_valid_state)
111{ return (0); }
112
113/*ARGSUSED*/
114uint64_t
115hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
116    pci_msiq_valid_state_t msiq_valid_state)
117{ return (0); }
118
119/*ARGSUSED*/
120uint64_t
121hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
122    pci_msiq_state_t *msiq_state)
123{ return (0); }
124
125/*ARGSUSED*/
126uint64_t
127hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
128    pci_msiq_state_t msiq_state)
129{ return (0); }
130
131/*ARGSUSED*/
132uint64_t
133hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
134    msiqhead_t *msiq_head)
135{ return (0); }
136
137/*ARGSUSED*/
138uint64_t
139hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
140    msiqhead_t msiq_head)
141{ return (0); }
142
143/*ARGSUSED*/
144uint64_t
145hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
146    msiqtail_t *msiq_tail)
147{ return (0); }
148
149/*ARGSUSED*/
150uint64_t
151hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
152    msiqid_t *msiq_id)
153{ return (0); }
154
155/*ARGSUSED*/
156uint64_t
157hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
158    msiqid_t msiq_id, msi_type_t msitype)
159{ return (0); }
160
161/*ARGSUSED*/
162uint64_t
163hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
164    pci_msi_valid_state_t *msi_valid_state)
165{ return (0); }
166
167/*ARGSUSED*/
168uint64_t
169hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
170    pci_msi_valid_state_t msi_valid_state)
171{ return (0); }
172
173/*ARGSUSED*/
174uint64_t
175hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
176    pci_msi_state_t *msi_state)
177{ return (0); }
178
179/*ARGSUSED*/
180uint64_t
181hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
182    pci_msi_state_t msi_state)
183{ return (0); }
184
185/*ARGSUSED*/
186uint64_t
187hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
188    msiqid_t *msiq_id)
189{ return (0); }
190
191/*ARGSUSED*/
192uint64_t
193hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
194    msiqid_t msiq_id)
195{ return (0); }
196
197/*ARGSUSED*/
198uint64_t
199hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
200    pcie_msg_valid_state_t *msg_valid_state)
201{ return (0); }
202
203/*ARGSUSED*/
204uint64_t
205hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
206    pcie_msg_valid_state_t msg_valid_state)
207{ return (0); }
208
209/*
210 * First arg to both of these functions is a dummy, to accomodate how
211 * hv_hpriv() works.
212 */
213/*ARGSUSED*/
214int
215px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr)
216{ return (0); }
217
218#else	/* lint || __lint */
219
220	/*
221	 * arg0 - devhandle
222	 * arg1 - pci_device
223	 * arg2 - pci_config_offset
224	 * arg3 - pci_config_size
225	 *
226	 * ret0 - status
227	 * ret1 - error_flag
228	 * ret2 - pci_cfg_data
229	 */
230	ENTRY(hvio_config_get)
231	mov	HVIO_CONFIG_GET, %o5
232	ta	FAST_TRAP
233	brnz	%o0, 1f
234	movrnz	%o1, -1, %o2
235	brz,a	%o1, 1f
236	stuw	%o2, [%o4]
2371:	retl
238	nop
239	SET_SIZE(hvio_config_get)
240
241	/*
242	 * arg0 - devhandle
243	 * arg1 - pci_device
244	 * arg2 - pci_config_offset
245	 * arg3 - pci_config_size
246	 * arg4 - pci_cfg_data
247	 *
248	 * ret0 - status
249	 * ret1 - error_flag
250	 */
251	ENTRY(hvio_config_put)
252	mov	HVIO_CONFIG_PUT, %o5
253	ta	FAST_TRAP
254	retl
255	nop
256	SET_SIZE(hvio_config_put)
257
258	/*
259	 * arg0 - devhandle
260	 * arg1 - tsbid
261	 * arg2 - pages
262	 * arg3 - io_attributes
263	 * arg4 - io_page_list_p
264	 *
265	 * ret1 - pages_mapped
266	 */
267	ENTRY(hvio_iommu_map)
268	save	%sp, -SA(MINFRAME64), %sp
269	mov	%i0, %o0
270	mov	%i1, %o1
271	mov	%i2, %o2
272	mov	%i3, %o3
273	mov	%i4, %o4
274	mov	HVIO_IOMMU_MAP, %o5
275	ta	FAST_TRAP
276	brnz	%o0, 1f
277	mov	%o0, %i0
278	stuw	%o1, [%i5]
2791:
280	ret
281	restore
282	SET_SIZE(hvio_iommu_map)
283
284	/*
285	 * arg0 - devhandle
286	 * arg1 - tsbid
287	 * arg2 - pages
288	 *
289	 * ret1 - pages_demapped
290	 */
291	ENTRY(hvio_iommu_demap)
292	mov	HVIO_IOMMU_DEMAP, %o5
293	ta	FAST_TRAP
294	brz,a	%o0, 1f
295	stuw	%o1, [%o3]
2961:	retl
297	nop
298	SET_SIZE(hvio_iommu_demap)
299
300	/*
301	 * arg0 - devhandle
302	 * arg1 - tsbid
303	 *
304	 *
305	 * ret0 - status
306	 * ret1 - io_attributes
307	 * ret2 - r_addr
308	 */
309	ENTRY(hvio_iommu_getmap)
310	mov	%o2, %o4
311	mov	HVIO_IOMMU_GETMAP, %o5
312	ta	FAST_TRAP
313	brnz	%o0, 1f
314	nop
315	stx	%o2, [%o3]
316	st	%o1, [%o4]
3171:
318	retl
319	nop
320	SET_SIZE(hvio_iommu_getmap)
321
322	/*
323	 * arg0 - devhandle
324	 * arg1 - r_addr
325	 * arg2 - io_attributes
326	 *
327	 *
328	 * ret0 - status
329	 * ret1 - io_addr
330	 */
331	ENTRY(hvio_iommu_getbypass)
332	mov	HVIO_IOMMU_GETBYPASS, %o5
333	ta	FAST_TRAP
334	brz,a	%o0, 1f
335	stx	%o1, [%o3]
3361:	retl
337	nop
338	SET_SIZE(hvio_iommu_getbypass)
339
340	/*
341	 * arg0 - devhandle
342	 * arg1 - r_addr
343	 * arg2 - size
344	 *
345	 * ret1 - error_flag
346	 * ret2 - data
347	 */
348	ENTRY(hvio_peek)
349	mov	HVIO_PEEK, %o5
350	ta	FAST_TRAP
351	brnz	%o0, 1f
352	nop
353	stx	%o2, [%o4]
354	st	%o1, [%o3]
3551:
356	retl
357	nop
358	SET_SIZE(hvio_peek)
359
360	/*
361	 * arg0 - devhandle
362	 * arg1 - r_addr
363	 * arg2 - sizes
364	 * arg3 - data
365	 * arg4 - r_addr2
366	 *
367	 * ret1 - error_flag
368	 */
369	ENTRY(hvio_poke)
370	save	%sp, -SA(MINFRAME64), %sp
371	mov	%i0, %o0
372	mov	%i1, %o1
373	mov	%i2, %o2
374	mov	%i3, %o3
375	mov	%i4, %o4
376	mov	HVIO_POKE, %o5
377	ta	FAST_TRAP
378	brnz	%o0, 1f
379	mov	%o0, %i0
380	stuw	%o1, [%i5]
3811:
382	ret
383	restore
384	SET_SIZE(hvio_poke)
385
386	/*
387	 * arg0 - devhandle
388	 * arg1 - r_addr
389	 * arg2 - num_bytes
390	 * arg3 - io_sync_direction
391	 *
392	 * ret0 - status
393	 * ret1 - bytes_synched
394	 */
395	ENTRY(hvio_dma_sync)
396	mov	HVIO_DMA_SYNC, %o5
397	ta	FAST_TRAP
398	brz,a	%o0, 1f
399	stx	%o1, [%o4]
4001:	retl
401	nop
402	SET_SIZE(hvio_dma_sync)
403
404	/*
405	 * arg0 - devhandle
406	 * arg1 - msiq_id
407	 * arg2 - r_addr
408	 * arg3 - nentries
409	 *
410	 * ret0 - status
411	 */
412	ENTRY(hvio_msiq_conf)
413	mov	HVIO_MSIQ_CONF, %o5
414	ta	FAST_TRAP
415	retl
416	nop
417	SET_SIZE(hvio_msiq_conf)
418
419	/*
420	 * arg0 - devhandle
421	 * arg1 - msiq_id
422	 *
423	 * ret0 - status
424	 * ret1 - r_addr
425	 * ret1 - nentries
426	 */
427	ENTRY(hvio_msiq_info)
428	mov     %o2, %o4
429	mov     HVIO_MSIQ_INFO, %o5
430	ta      FAST_TRAP
431	brnz    1f
432	nop
433	stx     %o1, [%o4]
434	stuw    %o2, [%o3]
4351:      retl
436	nop
437	SET_SIZE(hvio_msiq_info)
438
439	/*
440	 * arg0 - devhandle
441	 * arg1 - msiq_id
442	 *
443	 * ret0 - status
444	 * ret1 - msiq_valid_state
445	 */
446	ENTRY(hvio_msiq_getvalid)
447	mov	HVIO_MSIQ_GETVALID, %o5
448	ta	FAST_TRAP
449	brz,a	%o0, 1f
450	stuw	%o1, [%o2]
4511:	retl
452	nop
453	SET_SIZE(hvio_msiq_getvalid)
454
455	/*
456	 * arg0 - devhandle
457	 * arg1 - msiq_id
458	 * arg2 - msiq_valid_state
459	 *
460	 * ret0 - status
461	 */
462	ENTRY(hvio_msiq_setvalid)
463	mov	HVIO_MSIQ_SETVALID, %o5
464	ta	FAST_TRAP
465	retl
466	nop
467	SET_SIZE(hvio_msiq_setvalid)
468
469	/*
470	 * arg0 - devhandle
471	 * arg1 - msiq_id
472	 *
473	 * ret0 - status
474	 * ret1 - msiq_state
475	 */
476	ENTRY(hvio_msiq_getstate)
477	mov	HVIO_MSIQ_GETSTATE, %o5
478	ta	FAST_TRAP
479	brz,a	%o0, 1f
480	stuw	%o1, [%o2]
4811:	retl
482	nop
483	SET_SIZE(hvio_msiq_getstate)
484
485	/*
486	 * arg0 - devhandle
487	 * arg1 - msiq_id
488	 * arg2 - msiq_state
489	 *
490	 * ret0 - status
491	 */
492	ENTRY(hvio_msiq_setstate)
493	mov	HVIO_MSIQ_SETSTATE, %o5
494	ta	FAST_TRAP
495	retl
496	nop
497	SET_SIZE(hvio_msiq_setstate)
498
499	/*
500	 * arg0 - devhandle
501	 * arg1 - msiq_id
502	 *
503	 * ret0 - status
504	 * ret1 - msiq_head
505	 */
506	ENTRY(hvio_msiq_gethead)
507	mov	HVIO_MSIQ_GETHEAD, %o5
508	ta	FAST_TRAP
509	brz,a	%o0, 1f
510	stx	%o1, [%o2]
5111:	retl
512	nop
513	SET_SIZE(hvio_msiq_gethead)
514
515	/*
516	 * arg0 - devhandle
517	 * arg1 - msiq_id
518	 * arg2 - msiq_head
519	 *
520	 * ret0 - status
521	 */
522	ENTRY(hvio_msiq_sethead)
523	mov	HVIO_MSIQ_SETHEAD, %o5
524	ta	FAST_TRAP
525	retl
526	nop
527	SET_SIZE(hvio_msiq_sethead)
528
529	/*
530	 * arg0 - devhandle
531	 * arg1 - msiq_id
532	 *
533	 * ret0 - status
534	 * ret1 - msiq_tail
535	 */
536	ENTRY(hvio_msiq_gettail)
537	mov	HVIO_MSIQ_GETTAIL, %o5
538	ta	FAST_TRAP
539	brz,a	%o0, 1f
540	stx	%o1, [%o2]
5411:	retl
542	nop
543	SET_SIZE(hvio_msiq_gettail)
544
545	/*
546	 * arg0 - devhandle
547	 * arg1 - msi_num
548	 *
549	 * ret0 - status
550	 * ret1 - msiq_id
551	 */
552	ENTRY(hvio_msi_getmsiq)
553	mov	HVIO_MSI_GETMSIQ, %o5
554	ta	FAST_TRAP
555	brz,a	%o0, 1f
556	stuw	%o1, [%o2]
5571:	retl
558	nop
559	SET_SIZE(hvio_msi_getmsiq)
560
561	/*
562	 * arg0 - devhandle
563	 * arg1 - msi_num
564	 * arg2 - msiq_id
565	 * arg2 - msitype
566	 *
567	 * ret0 - status
568	 */
569	ENTRY(hvio_msi_setmsiq)
570	mov	HVIO_MSI_SETMSIQ, %o5
571	ta	FAST_TRAP
572	retl
573	nop
574	SET_SIZE(hvio_msi_setmsiq)
575
576	/*
577	 * arg0 - devhandle
578	 * arg1 - msi_num
579	 *
580	 * ret0 - status
581	 * ret1 - msi_valid_state
582	 */
583	ENTRY(hvio_msi_getvalid)
584	mov	HVIO_MSI_GETVALID, %o5
585	ta	FAST_TRAP
586	brz,a	%o0, 1f
587	stuw	%o1, [%o2]
5881:	retl
589	nop
590	SET_SIZE(hvio_msi_getvalid)
591
592	/*
593	 * arg0 - devhandle
594	 * arg1 - msi_num
595	 * arg2 - msi_valid_state
596	 *
597	 * ret0 - status
598	 */
599	ENTRY(hvio_msi_setvalid)
600	mov	HVIO_MSI_SETVALID, %o5
601	ta	FAST_TRAP
602	retl
603	nop
604	SET_SIZE(hvio_msi_setvalid)
605
606	/*
607	 * arg0 - devhandle
608	 * arg1 - msi_num
609	 *
610	 * ret0 - status
611	 * ret1 - msi_state
612	 */
613	ENTRY(hvio_msi_getstate)
614	mov	HVIO_MSI_GETSTATE, %o5
615	ta	FAST_TRAP
616	brz,a	%o0, 1f
617	stuw	%o1, [%o2]
6181:	retl
619	nop
620	SET_SIZE(hvio_msi_getstate)
621
622	/*
623	 * arg0 - devhandle
624	 * arg1 - msi_num
625	 * arg2 - msi_state
626	 *
627	 * ret0 - status
628	 */
629	ENTRY(hvio_msi_setstate)
630	mov	HVIO_MSI_SETSTATE, %o5
631	ta	FAST_TRAP
632	retl
633	nop
634	SET_SIZE(hvio_msi_setstate)
635
636	/*
637	 * arg0 - devhandle
638	 * arg1 - msg_type
639	 *
640	 * ret0 - status
641	 * ret1 - msiq_id
642	 */
643	ENTRY(hvio_msg_getmsiq)
644	mov	HVIO_MSG_GETMSIQ, %o5
645	ta	FAST_TRAP
646	brz,a	%o0, 1f
647	stuw	%o1, [%o2]
6481:	retl
649	nop
650	SET_SIZE(hvio_msg_getmsiq)
651
652	/*
653	 * arg0 - devhandle
654	 * arg1 - msg_type
655	 * arg2 - msiq_id
656	 *
657	 * ret0 - status
658	 */
659	ENTRY(hvio_msg_setmsiq)
660	mov	HVIO_MSG_SETMSIQ, %o5
661	ta	FAST_TRAP
662	retl
663	nop
664	SET_SIZE(hvio_msg_setmsiq)
665
666	/*
667	 * arg0 - devhandle
668	 * arg1 - msg_type
669	 *
670	 * ret0 - status
671	 * ret1 - msg_valid_state
672	 */
673	ENTRY(hvio_msg_getvalid)
674	mov	HVIO_MSG_GETVALID, %o5
675	ta	FAST_TRAP
676	brz,a	%o0, 1f
677	stuw	%o1, [%o2]
6781:	retl
679	nop
680	SET_SIZE(hvio_msg_getvalid)
681
682	/*
683	 * arg0 - devhandle
684	 * arg1 - msg_type
685	 * arg2 - msg_valid_state
686	 *
687	 * ret0 - status
688	 */
689	ENTRY(hvio_msg_setvalid)
690	mov	HVIO_MSG_SETVALID, %o5
691	ta	FAST_TRAP
692	retl
693	nop
694	SET_SIZE(hvio_msg_setvalid)
695
696#define	SHIFT_REGS	mov %o1,%o0; mov %o2,%o1; mov %o3,%o2; mov %o4,%o3
697
698! px_phys_acc_4v: Do physical address read.
699!
700! After SHIFT_REGS:
701! %o0 is "from" address
702! %o1 is "to" address
703!
704! Assumes 8 byte data and that alignment is correct.
705!
706! Always returns success (0) in %o0
707
708	! px_phys_acc_4v must not be split across pages.
709	!
710	! ATTN: Be sure that the alignment value is larger than the size of
711	! the px_phys_acc_4v function.
712	!
713	.align	0x40
714
715	ENTRY(px_phys_acc_4v)
716
717	SHIFT_REGS
718	ldx	[%o0], %g1
719	stx	%g1, [%o1]
720	membar	#Sync			! Make sure the loads take
721	mov     %g0, %o0
722	done
723	SET_SIZE(px_phys_acc_4v)
724
725#endif	/* lint || __lint */
726