xref: /titanic_41/usr/src/uts/sun4v/io/px/px_hcall.s (revision 45916cd2fec6e79bca5dee0421bd39e3c2910d1e)
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 <px_ioapi.h>
35
36#if defined(lint) || defined(__lint)
37
38/*ARGSUSED*/
39uint64_t
40hvio_config_get(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
41    pci_config_size_t size, pci_cfg_data_t *data_p)
42{ return (0); }
43
44/*ARGSUSED*/
45uint64_t
46hvio_config_put(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
47    pci_config_size_t size, pci_cfg_data_t data)
48{ return (0); }
49
50/*ARGSUSED*/
51uint64_t
52hvio_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
53    io_attributes_t attr, io_page_list_t *io_page_list_p,
54    pages_t *pages_mapped)
55{ return (0); }
56
57/*ARGSUSED*/
58uint64_t
59hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
60    pages_t *pages_demapped)
61{ return (0); }
62
63/*ARGSUSED*/
64uint64_t
65hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid, io_attributes_t *attr_p,
66    r_addr_t *r_addr_p)
67{ return (0); }
68
69/*ARGSUSED*/
70uint64_t
71hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra, io_attributes_t attr,
72    io_addr_t *io_addr_p)
73{ return (0); }
74
75/*ARGSUSED*/
76uint64_t
77hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size, uint32_t *status,
78    uint64_t *data_p)
79{ return (0); }
80
81/*ARGSUSED*/
82uint64_t
83hvio_poke(devhandle_t dev_hdl, r_addr_t ra, uint64_t sizes, uint64_t data,
84    r_addr_t ra2, uint32_t *rdbk_status)
85{ return (0); }
86
87/*ARGSUSED*/
88uint64_t
89hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra, size_t num_bytes,
90    int io_sync_direction, size_t *bytes_synched)
91{ return (0); }
92
93/*ARGSUSED*/
94uint64_t
95hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t ra,
96    uint_t msiq_rec_cnt)
97{ return (0); }
98
99/*ARGSUSED*/
100uint64_t
101hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t *r_addr_p,
102    uint_t *msiq_rec_cnt_p)
103{ return (0); }
104
105/*ARGSUSED*/
106uint64_t
107hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
108    pci_msiq_valid_state_t *msiq_valid_state)
109{ return (0); }
110
111/*ARGSUSED*/
112uint64_t
113hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
114    pci_msiq_valid_state_t msiq_valid_state)
115{ return (0); }
116
117/*ARGSUSED*/
118uint64_t
119hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
120    pci_msiq_state_t *msiq_state)
121{ return (0); }
122
123/*ARGSUSED*/
124uint64_t
125hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
126    pci_msiq_state_t msiq_state)
127{ return (0); }
128
129/*ARGSUSED*/
130uint64_t
131hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
132    msiqhead_t *msiq_head)
133{ return (0); }
134
135/*ARGSUSED*/
136uint64_t
137hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
138    msiqhead_t msiq_head)
139{ return (0); }
140
141/*ARGSUSED*/
142uint64_t
143hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
144    msiqtail_t *msiq_tail)
145{ return (0); }
146
147/*ARGSUSED*/
148uint64_t
149hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
150    msiqid_t *msiq_id)
151{ return (0); }
152
153/*ARGSUSED*/
154uint64_t
155hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
156    msiqid_t msiq_id, msi_type_t msitype)
157{ return (0); }
158
159/*ARGSUSED*/
160uint64_t
161hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
162    pci_msi_valid_state_t *msi_valid_state)
163{ return (0); }
164
165/*ARGSUSED*/
166uint64_t
167hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
168    pci_msi_valid_state_t msi_valid_state)
169{ return (0); }
170
171/*ARGSUSED*/
172uint64_t
173hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
174    pci_msi_state_t *msi_state)
175{ return (0); }
176
177/*ARGSUSED*/
178uint64_t
179hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
180    pci_msi_state_t msi_state)
181{ return (0); }
182
183/*ARGSUSED*/
184uint64_t
185hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
186    msiqid_t *msiq_id)
187{ return (0); }
188
189/*ARGSUSED*/
190uint64_t
191hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
192    msiqid_t msiq_id)
193{ return (0); }
194
195/*ARGSUSED*/
196uint64_t
197hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
198    pcie_msg_valid_state_t *msg_valid_state)
199{ return (0); }
200
201/*ARGSUSED*/
202uint64_t
203hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
204    pcie_msg_valid_state_t msg_valid_state)
205{ return (0); }
206
207/*
208 * First arg to both of these functions is a dummy, to accomodate how
209 * hv_hpriv() works.
210 */
211/*ARGSUSED*/
212int
213px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr)
214{ return (0); }
215
216#else	/* lint || __lint */
217
218	/*
219	 * arg0 - devhandle
220	 * arg1 - pci_device
221	 * arg2 - pci_config_offset
222	 * arg3 - pci_config_size
223	 *
224	 * ret0 - status
225	 * ret1 - error_flag
226	 * ret2 - pci_cfg_data
227	 */
228	ENTRY(hvio_config_get)
229	mov	HVIO_CONFIG_GET, %o5
230	ta	FAST_TRAP
231	brnz	%o0, 1f
232	movrnz	%o1, -1, %o2
233	brz,a	%o1, 1f
234	stuw	%o2, [%o4]
2351:	retl
236	nop
237	SET_SIZE(hvio_config_get)
238
239	/*
240	 * arg0 - devhandle
241	 * arg1 - pci_device
242	 * arg2 - pci_config_offset
243	 * arg3 - pci_config_size
244	 * arg4 - pci_cfg_data
245	 *
246	 * ret0 - status
247	 * ret1 - error_flag
248	 */
249	ENTRY(hvio_config_put)
250	mov	HVIO_CONFIG_PUT, %o5
251	ta	FAST_TRAP
252	retl
253	nop
254	SET_SIZE(hvio_config_put)
255
256	/*
257	 * arg0 - devhandle
258	 * arg1 - tsbid
259	 * arg2 - pages
260	 * arg3 - io_attributes
261	 * arg4 - io_page_list_p
262	 *
263	 * ret1 - pages_mapped
264	 */
265	ENTRY(hvio_iommu_map)
266	save	%sp, -SA(MINFRAME64), %sp
267	mov	%i0, %o0
268	mov	%i1, %o1
269	mov	%i2, %o2
270	mov	%i3, %o3
271	mov	%i4, %o4
272	mov	HVIO_IOMMU_MAP, %o5
273	ta	FAST_TRAP
274	brnz	%o0, 1f
275	mov	%o0, %i0
276	stuw	%o1, [%i5]
2771:
278	ret
279	restore
280	SET_SIZE(hvio_iommu_map)
281
282	/*
283	 * arg0 - devhandle
284	 * arg1 - tsbid
285	 * arg2 - pages
286	 *
287	 * ret1 - pages_demapped
288	 */
289	ENTRY(hvio_iommu_demap)
290	mov	HVIO_IOMMU_DEMAP, %o5
291	ta	FAST_TRAP
292	brz,a	%o0, 1f
293	stuw	%o1, [%o3]
2941:	retl
295	nop
296	SET_SIZE(hvio_iommu_demap)
297
298	/*
299	 * arg0 - devhandle
300	 * arg1 - tsbid
301	 *
302	 *
303	 * ret0 - status
304	 * ret1 - io_attributes
305	 * ret2 - r_addr
306	 */
307	ENTRY(hvio_iommu_getmap)
308	mov	%o2, %o4
309	mov	HVIO_IOMMU_GETMAP, %o5
310	ta	FAST_TRAP
311	brnz	%o0, 1f
312	nop
313	stx	%o2, [%o3]
314	st	%o1, [%o4]
3151:
316	retl
317	nop
318	SET_SIZE(hvio_iommu_getmap)
319
320	/*
321	 * arg0 - devhandle
322	 * arg1 - r_addr
323	 * arg2 - io_attributes
324	 *
325	 *
326	 * ret0 - status
327	 * ret1 - io_addr
328	 */
329	ENTRY(hvio_iommu_getbypass)
330	mov	HVIO_IOMMU_GETBYPASS, %o5
331	ta	FAST_TRAP
332	brz,a	%o0, 1f
333	stx	%o1, [%o3]
3341:	retl
335	nop
336	SET_SIZE(hvio_iommu_getbypass)
337
338	/*
339	 * arg0 - devhandle
340	 * arg1 - r_addr
341	 * arg2 - size
342	 *
343	 * ret1 - error_flag
344	 * ret2 - data
345	 */
346	ENTRY(hvio_peek)
347	mov	HVIO_PEEK, %o5
348	ta	FAST_TRAP
349	brnz	%o0, 1f
350	nop
351	stx	%o2, [%o4]
352	st	%o1, [%o3]
3531:
354	retl
355	nop
356	SET_SIZE(hvio_peek)
357
358	/*
359	 * arg0 - devhandle
360	 * arg1 - r_addr
361	 * arg2 - sizes
362	 * arg3 - data
363	 * arg4 - r_addr2
364	 *
365	 * ret1 - error_flag
366	 */
367	ENTRY(hvio_poke)
368	save	%sp, -SA(MINFRAME64), %sp
369	mov	%i0, %o0
370	mov	%i1, %o1
371	mov	%i2, %o2
372	mov	%i3, %o3
373	mov	%i4, %o4
374	mov	HVIO_POKE, %o5
375	ta	FAST_TRAP
376	brnz	%o0, 1f
377	mov	%o0, %i0
378	stuw	%o1, [%i5]
3791:
380	ret
381	restore
382	SET_SIZE(hvio_poke)
383
384	/*
385	 * arg0 - devhandle
386	 * arg1 - r_addr
387	 * arg2 - num_bytes
388	 * arg3 - io_sync_direction
389	 *
390	 * ret0 - status
391	 * ret1 - bytes_synched
392	 */
393	ENTRY(hvio_dma_sync)
394	mov	HVIO_DMA_SYNC, %o5
395	ta	FAST_TRAP
396	brz,a	%o0, 1f
397	stx	%o1, [%o4]
3981:	retl
399	nop
400	SET_SIZE(hvio_dma_sync)
401
402	/*
403	 * arg0 - devhandle
404	 * arg1 - msiq_id
405	 * arg2 - r_addr
406	 * arg3 - nentries
407	 *
408	 * ret0 - status
409	 */
410	ENTRY(hvio_msiq_conf)
411	mov	HVIO_MSIQ_CONF, %o5
412	ta	FAST_TRAP
413	retl
414	nop
415	SET_SIZE(hvio_msiq_conf)
416
417	/*
418	 * arg0 - devhandle
419	 * arg1 - msiq_id
420	 *
421	 * ret0 - status
422	 * ret1 - r_addr
423	 * ret1 - nentries
424	 */
425	ENTRY(hvio_msiq_info)
426	mov     %o2, %o4
427	mov     HVIO_MSIQ_INFO, %o5
428	ta      FAST_TRAP
429	brnz    1f
430	nop
431	stx     %o1, [%o4]
432	stuw    %o2, [%o3]
4331:      retl
434	nop
435	SET_SIZE(hvio_msiq_info)
436
437	/*
438	 * arg0 - devhandle
439	 * arg1 - msiq_id
440	 *
441	 * ret0 - status
442	 * ret1 - msiq_valid_state
443	 */
444	ENTRY(hvio_msiq_getvalid)
445	mov	HVIO_MSIQ_GETVALID, %o5
446	ta	FAST_TRAP
447	brz,a	%o0, 1f
448	stuw	%o1, [%o2]
4491:	retl
450	nop
451	SET_SIZE(hvio_msiq_getvalid)
452
453	/*
454	 * arg0 - devhandle
455	 * arg1 - msiq_id
456	 * arg2 - msiq_valid_state
457	 *
458	 * ret0 - status
459	 */
460	ENTRY(hvio_msiq_setvalid)
461	mov	HVIO_MSIQ_SETVALID, %o5
462	ta	FAST_TRAP
463	retl
464	nop
465	SET_SIZE(hvio_msiq_setvalid)
466
467	/*
468	 * arg0 - devhandle
469	 * arg1 - msiq_id
470	 *
471	 * ret0 - status
472	 * ret1 - msiq_state
473	 */
474	ENTRY(hvio_msiq_getstate)
475	mov	HVIO_MSIQ_GETSTATE, %o5
476	ta	FAST_TRAP
477	brz,a	%o0, 1f
478	stuw	%o1, [%o2]
4791:	retl
480	nop
481	SET_SIZE(hvio_msiq_getstate)
482
483	/*
484	 * arg0 - devhandle
485	 * arg1 - msiq_id
486	 * arg2 - msiq_state
487	 *
488	 * ret0 - status
489	 */
490	ENTRY(hvio_msiq_setstate)
491	mov	HVIO_MSIQ_SETSTATE, %o5
492	ta	FAST_TRAP
493	retl
494	nop
495	SET_SIZE(hvio_msiq_setstate)
496
497	/*
498	 * arg0 - devhandle
499	 * arg1 - msiq_id
500	 *
501	 * ret0 - status
502	 * ret1 - msiq_head
503	 */
504	ENTRY(hvio_msiq_gethead)
505	mov	HVIO_MSIQ_GETHEAD, %o5
506	ta	FAST_TRAP
507	brz,a	%o0, 1f
508	stx	%o1, [%o2]
5091:	retl
510	nop
511	SET_SIZE(hvio_msiq_gethead)
512
513	/*
514	 * arg0 - devhandle
515	 * arg1 - msiq_id
516	 * arg2 - msiq_head
517	 *
518	 * ret0 - status
519	 */
520	ENTRY(hvio_msiq_sethead)
521	mov	HVIO_MSIQ_SETHEAD, %o5
522	ta	FAST_TRAP
523	retl
524	nop
525	SET_SIZE(hvio_msiq_sethead)
526
527	/*
528	 * arg0 - devhandle
529	 * arg1 - msiq_id
530	 *
531	 * ret0 - status
532	 * ret1 - msiq_tail
533	 */
534	ENTRY(hvio_msiq_gettail)
535	mov	HVIO_MSIQ_GETTAIL, %o5
536	ta	FAST_TRAP
537	brz,a	%o0, 1f
538	stx	%o1, [%o2]
5391:	retl
540	nop
541	SET_SIZE(hvio_msiq_gettail)
542
543	/*
544	 * arg0 - devhandle
545	 * arg1 - msi_num
546	 *
547	 * ret0 - status
548	 * ret1 - msiq_id
549	 */
550	ENTRY(hvio_msi_getmsiq)
551	mov	HVIO_MSI_GETMSIQ, %o5
552	ta	FAST_TRAP
553	brz,a	%o0, 1f
554	stuw	%o1, [%o2]
5551:	retl
556	nop
557	SET_SIZE(hvio_msi_getmsiq)
558
559	/*
560	 * arg0 - devhandle
561	 * arg1 - msi_num
562	 * arg2 - msiq_id
563	 * arg2 - msitype
564	 *
565	 * ret0 - status
566	 */
567	ENTRY(hvio_msi_setmsiq)
568	mov	HVIO_MSI_SETMSIQ, %o5
569	ta	FAST_TRAP
570	retl
571	nop
572	SET_SIZE(hvio_msi_setmsiq)
573
574	/*
575	 * arg0 - devhandle
576	 * arg1 - msi_num
577	 *
578	 * ret0 - status
579	 * ret1 - msi_valid_state
580	 */
581	ENTRY(hvio_msi_getvalid)
582	mov	HVIO_MSI_GETVALID, %o5
583	ta	FAST_TRAP
584	brz,a	%o0, 1f
585	stuw	%o1, [%o2]
5861:	retl
587	nop
588	SET_SIZE(hvio_msi_getvalid)
589
590	/*
591	 * arg0 - devhandle
592	 * arg1 - msi_num
593	 * arg2 - msi_valid_state
594	 *
595	 * ret0 - status
596	 */
597	ENTRY(hvio_msi_setvalid)
598	mov	HVIO_MSI_SETVALID, %o5
599	ta	FAST_TRAP
600	retl
601	nop
602	SET_SIZE(hvio_msi_setvalid)
603
604	/*
605	 * arg0 - devhandle
606	 * arg1 - msi_num
607	 *
608	 * ret0 - status
609	 * ret1 - msi_state
610	 */
611	ENTRY(hvio_msi_getstate)
612	mov	HVIO_MSI_GETSTATE, %o5
613	ta	FAST_TRAP
614	brz,a	%o0, 1f
615	stuw	%o1, [%o2]
6161:	retl
617	nop
618	SET_SIZE(hvio_msi_getstate)
619
620	/*
621	 * arg0 - devhandle
622	 * arg1 - msi_num
623	 * arg2 - msi_state
624	 *
625	 * ret0 - status
626	 */
627	ENTRY(hvio_msi_setstate)
628	mov	HVIO_MSI_SETSTATE, %o5
629	ta	FAST_TRAP
630	retl
631	nop
632	SET_SIZE(hvio_msi_setstate)
633
634	/*
635	 * arg0 - devhandle
636	 * arg1 - msg_type
637	 *
638	 * ret0 - status
639	 * ret1 - msiq_id
640	 */
641	ENTRY(hvio_msg_getmsiq)
642	mov	HVIO_MSG_GETMSIQ, %o5
643	ta	FAST_TRAP
644	brz,a	%o0, 1f
645	stuw	%o1, [%o2]
6461:	retl
647	nop
648	SET_SIZE(hvio_msg_getmsiq)
649
650	/*
651	 * arg0 - devhandle
652	 * arg1 - msg_type
653	 * arg2 - msiq_id
654	 *
655	 * ret0 - status
656	 */
657	ENTRY(hvio_msg_setmsiq)
658	mov	HVIO_MSG_SETMSIQ, %o5
659	ta	FAST_TRAP
660	retl
661	nop
662	SET_SIZE(hvio_msg_setmsiq)
663
664	/*
665	 * arg0 - devhandle
666	 * arg1 - msg_type
667	 *
668	 * ret0 - status
669	 * ret1 - msg_valid_state
670	 */
671	ENTRY(hvio_msg_getvalid)
672	mov	HVIO_MSG_GETVALID, %o5
673	ta	FAST_TRAP
674	brz,a	%o0, 1f
675	stuw	%o1, [%o2]
6761:	retl
677	nop
678	SET_SIZE(hvio_msg_getvalid)
679
680	/*
681	 * arg0 - devhandle
682	 * arg1 - msg_type
683	 * arg2 - msg_valid_state
684	 *
685	 * ret0 - status
686	 */
687	ENTRY(hvio_msg_setvalid)
688	mov	HVIO_MSG_SETVALID, %o5
689	ta	FAST_TRAP
690	retl
691	nop
692	SET_SIZE(hvio_msg_setvalid)
693
694#define	SHIFT_REGS	mov %o1,%o0; mov %o2,%o1; mov %o3,%o2; mov %o4,%o3
695
696! px_phys_acc_4v: Do physical address read.
697!
698! After SHIFT_REGS:
699! %o0 is "from" address
700! %o1 is "to" address
701!
702! Assumes 8 byte data and that alignment is correct.
703!
704! Always returns success (0) in %o0
705
706	! px_phys_acc_4v must not be split across pages.
707	!
708	! ATTN: Be sure that the alignment value is larger than the size of
709	! the px_phys_acc_4v function.
710	!
711	.align	0x40
712
713	ENTRY(px_phys_acc_4v)
714
715	SHIFT_REGS
716	ldx	[%o0], %g1
717	stx	%g1, [%o1]
718	membar	#Sync			! Make sure the loads take
719	mov     %g0, %o0
720	done
721	SET_SIZE(px_phys_acc_4v)
722
723#endif	/* lint || __lint */
724