xref: /titanic_41/usr/src/uts/sun4v/io/px/px_hcall.s (revision 75ce41a57ff334bd8fe2cb9ed51eea835892f944)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26
27/*
28 * Hypervisor calls called by px nexus driver.
29*/
30
31#include <sys/asm_linkage.h>
32#include <sys/hypervisor_api.h>
33#include <sys/dditypes.h>
34#include <px_ioapi.h>
35#include "px_lib4v.h"
36
37#if defined(lint) || defined(__lint)
38
39/*ARGSUSED*/
40uint64_t
41hvio_config_get(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
42    pci_config_size_t size, pci_cfg_data_t *data_p)
43{ return (0); }
44
45/*ARGSUSED*/
46uint64_t
47hvio_config_put(devhandle_t dev_hdl, pci_device_t bdf, pci_config_offset_t off,
48    pci_config_size_t size, pci_cfg_data_t data)
49{ return (0); }
50
51/*ARGSUSED*/
52uint64_t
53hvio_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
54    io_attributes_t attr, io_page_list_t *io_page_list_p,
55    pages_t *pages_mapped)
56{ return (0); }
57
58/*ARGSUSED*/
59uint64_t
60hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
61    pages_t *pages_demapped)
62{ return (0); }
63
64/*ARGSUSED*/
65uint64_t
66hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid, io_attributes_t *attr_p,
67    r_addr_t *r_addr_p)
68{ return (0); }
69
70/*ARGSUSED*/
71uint64_t
72hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra, io_attributes_t attr,
73    io_addr_t *io_addr_p)
74{ return (0); }
75
76/*ARGSUSED*/
77uint64_t
78hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size, uint32_t *status,
79    uint64_t *data_p)
80{ return (0); }
81
82/*ARGSUSED*/
83uint64_t
84hvio_poke(devhandle_t dev_hdl, r_addr_t ra, uint64_t sizes, uint64_t data,
85    r_addr_t ra2, uint32_t *rdbk_status)
86{ return (0); }
87
88/*ARGSUSED*/
89uint64_t
90hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra, size_t num_bytes,
91    io_sync_direction_t io_sync_direction, size_t *bytes_synched)
92{ return (0); }
93
94/*ARGSUSED*/
95uint64_t
96hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t ra,
97    uint_t msiq_rec_cnt)
98{ return (0); }
99
100/*ARGSUSED*/
101uint64_t
102hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t *r_addr_p,
103    uint_t *msiq_rec_cnt_p)
104{ return (0); }
105
106/*ARGSUSED*/
107uint64_t
108hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
109    pci_msiq_valid_state_t *msiq_valid_state)
110{ return (0); }
111
112/*ARGSUSED*/
113uint64_t
114hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
115    pci_msiq_valid_state_t msiq_valid_state)
116{ return (0); }
117
118/*ARGSUSED*/
119uint64_t
120hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
121    pci_msiq_state_t *msiq_state)
122{ return (0); }
123
124/*ARGSUSED*/
125uint64_t
126hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
127    pci_msiq_state_t msiq_state)
128{ return (0); }
129
130/*ARGSUSED*/
131uint64_t
132hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
133    msiqhead_t *msiq_head)
134{ return (0); }
135
136/*ARGSUSED*/
137uint64_t
138hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
139    msiqhead_t msiq_head)
140{ return (0); }
141
142/*ARGSUSED*/
143uint64_t
144hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
145    msiqtail_t *msiq_tail)
146{ return (0); }
147
148/*ARGSUSED*/
149uint64_t
150hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
151    msiqid_t *msiq_id)
152{ return (0); }
153
154/*ARGSUSED*/
155uint64_t
156hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
157    msiqid_t msiq_id, msi_type_t msitype)
158{ return (0); }
159
160/*ARGSUSED*/
161uint64_t
162hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
163    pci_msi_valid_state_t *msi_valid_state)
164{ return (0); }
165
166/*ARGSUSED*/
167uint64_t
168hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
169    pci_msi_valid_state_t msi_valid_state)
170{ return (0); }
171
172/*ARGSUSED*/
173uint64_t
174hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
175    pci_msi_state_t *msi_state)
176{ return (0); }
177
178/*ARGSUSED*/
179uint64_t
180hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
181    pci_msi_state_t msi_state)
182{ return (0); }
183
184/*ARGSUSED*/
185uint64_t
186hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
187    msiqid_t *msiq_id)
188{ return (0); }
189
190/*ARGSUSED*/
191uint64_t
192hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
193    msiqid_t msiq_id)
194{ return (0); }
195
196/*ARGSUSED*/
197uint64_t
198hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
199    pcie_msg_valid_state_t *msg_valid_state)
200{ return (0); }
201
202/*ARGSUSED*/
203uint64_t
204hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
205    pcie_msg_valid_state_t msg_valid_state)
206{ return (0); }
207
208/*
209 * First arg to both of these functions is a dummy, to accomodate how
210 * hv_hpriv() works.
211 */
212/*ARGSUSED*/
213int
214px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr)
215{ return (0); }
216
217#else	/* lint || __lint */
218
219	/*
220	 * arg0 - devhandle
221	 * arg1 - pci_device
222	 * arg2 - pci_config_offset
223	 * arg3 - pci_config_size
224	 *
225	 * ret0 - status
226	 * ret1 - error_flag
227	 * ret2 - pci_cfg_data
228	 */
229	ENTRY(hvio_config_get)
230	mov	HVIO_CONFIG_GET, %o5
231	ta	FAST_TRAP
232	movrnz	%o1, -1, %o2
233	stuw	%o2, [%o4]
234	retl
235	nop
236	SET_SIZE(hvio_config_get)
237
238	/*
239	 * arg0 - devhandle
240	 * arg1 - pci_device
241	 * arg2 - pci_config_offset
242	 * arg3 - pci_config_size
243	 * arg4 - pci_cfg_data
244	 *
245	 * ret0 - status
246	 * ret1 - error_flag
247	 */
248	ENTRY(hvio_config_put)
249	mov	HVIO_CONFIG_PUT, %o5
250	ta	FAST_TRAP
251	retl
252	nop
253	SET_SIZE(hvio_config_put)
254
255	/*
256	 * arg0 - devhandle
257	 * arg1 - tsbid
258	 * arg2 - pages
259	 * arg3 - io_attributes
260	 * arg4 - io_page_list_p
261	 *
262	 * ret1 - pages_mapped
263	 */
264	ENTRY(hvio_iommu_map)
265	save	%sp, -SA(MINFRAME64), %sp
266	mov	%i0, %o0
267	mov	%i1, %o1
268	mov	%i2, %o2
269	mov	%i3, %o3
270	mov	%i4, %o4
271	mov	HVIO_IOMMU_MAP, %o5
272	ta	FAST_TRAP
273	brnz	%o0, 1f
274	mov	%o0, %i0
275	stuw	%o1, [%i5]
2761:
277	ret
278	restore
279	SET_SIZE(hvio_iommu_map)
280
281	/*
282	 * arg0 - devhandle
283	 * arg1 - tsbid
284	 * arg2 - pages
285	 *
286	 * ret1 - pages_demapped
287	 */
288	ENTRY(hvio_iommu_demap)
289	mov	HVIO_IOMMU_DEMAP, %o5
290	ta	FAST_TRAP
291	brz,a	%o0, 1f
292	stuw	%o1, [%o3]
2931:	retl
294	nop
295	SET_SIZE(hvio_iommu_demap)
296
297	/*
298	 * arg0 - devhandle
299	 * arg1 - tsbid
300	 *
301	 *
302	 * ret0 - status
303	 * ret1 - io_attributes
304	 * ret2 - r_addr
305	 */
306	ENTRY(hvio_iommu_getmap)
307	mov	%o2, %o4
308	mov	HVIO_IOMMU_GETMAP, %o5
309	ta	FAST_TRAP
310	brnz	%o0, 1f
311	nop
312	stx	%o2, [%o3]
313	st	%o1, [%o4]
3141:
315	retl
316	nop
317	SET_SIZE(hvio_iommu_getmap)
318
319	/*
320	 * arg0 - devhandle
321	 * arg1 - r_addr
322	 * arg2 - io_attributes
323	 *
324	 *
325	 * ret0 - status
326	 * ret1 - io_addr
327	 */
328	ENTRY(hvio_iommu_getbypass)
329	mov	HVIO_IOMMU_GETBYPASS, %o5
330	ta	FAST_TRAP
331	brz,a	%o0, 1f
332	stx	%o1, [%o3]
3331:	retl
334	nop
335	SET_SIZE(hvio_iommu_getbypass)
336
337	/*
338	 * arg0 - devhandle
339	 * arg1 - r_addr
340	 * arg2 - size
341	 *
342	 * ret1 - error_flag
343	 * ret2 - data
344	 */
345	ENTRY(hvio_peek)
346	mov	HVIO_PEEK, %o5
347	ta	FAST_TRAP
348	brnz	%o0, 1f
349	nop
350	stx	%o2, [%o4]
351	st	%o1, [%o3]
3521:
353	retl
354	nop
355	SET_SIZE(hvio_peek)
356
357	/*
358	 * arg0 - devhandle
359	 * arg1 - r_addr
360	 * arg2 - sizes
361	 * arg3 - data
362	 * arg4 - r_addr2
363	 *
364	 * ret1 - error_flag
365	 */
366	ENTRY(hvio_poke)
367	save	%sp, -SA(MINFRAME64), %sp
368	mov	%i0, %o0
369	mov	%i1, %o1
370	mov	%i2, %o2
371	mov	%i3, %o3
372	mov	%i4, %o4
373	mov	HVIO_POKE, %o5
374	ta	FAST_TRAP
375	brnz	%o0, 1f
376	mov	%o0, %i0
377	stuw	%o1, [%i5]
3781:
379	ret
380	restore
381	SET_SIZE(hvio_poke)
382
383	/*
384	 * arg0 - devhandle
385	 * arg1 - r_addr
386	 * arg2 - num_bytes
387	 * arg3 - io_sync_direction
388	 *
389	 * ret0 - status
390	 * ret1 - bytes_synched
391	 */
392	ENTRY(hvio_dma_sync)
393	mov	HVIO_DMA_SYNC, %o5
394	ta	FAST_TRAP
395	brz,a	%o0, 1f
396	stx	%o1, [%o4]
3971:	retl
398	nop
399	SET_SIZE(hvio_dma_sync)
400
401	/*
402	 * arg0 - devhandle
403	 * arg1 - msiq_id
404	 * arg2 - r_addr
405	 * arg3 - nentries
406	 *
407	 * ret0 - status
408	 */
409	ENTRY(hvio_msiq_conf)
410	mov	HVIO_MSIQ_CONF, %o5
411	ta	FAST_TRAP
412	retl
413	nop
414	SET_SIZE(hvio_msiq_conf)
415
416	/*
417	 * arg0 - devhandle
418	 * arg1 - msiq_id
419	 *
420	 * ret0 - status
421	 * ret1 - r_addr
422	 * ret1 - nentries
423	 */
424	ENTRY(hvio_msiq_info)
425	mov     %o2, %o4
426	mov     HVIO_MSIQ_INFO, %o5
427	ta      FAST_TRAP
428	brnz	%o0, 1f
429	nop
430	stx     %o1, [%o4]
431	stuw    %o2, [%o3]
4321:      retl
433	nop
434	SET_SIZE(hvio_msiq_info)
435
436	/*
437	 * arg0 - devhandle
438	 * arg1 - msiq_id
439	 *
440	 * ret0 - status
441	 * ret1 - msiq_valid_state
442	 */
443	ENTRY(hvio_msiq_getvalid)
444	mov	HVIO_MSIQ_GETVALID, %o5
445	ta	FAST_TRAP
446	brz,a	%o0, 1f
447	stuw	%o1, [%o2]
4481:	retl
449	nop
450	SET_SIZE(hvio_msiq_getvalid)
451
452	/*
453	 * arg0 - devhandle
454	 * arg1 - msiq_id
455	 * arg2 - msiq_valid_state
456	 *
457	 * ret0 - status
458	 */
459	ENTRY(hvio_msiq_setvalid)
460	mov	HVIO_MSIQ_SETVALID, %o5
461	ta	FAST_TRAP
462	retl
463	nop
464	SET_SIZE(hvio_msiq_setvalid)
465
466	/*
467	 * arg0 - devhandle
468	 * arg1 - msiq_id
469	 *
470	 * ret0 - status
471	 * ret1 - msiq_state
472	 */
473	ENTRY(hvio_msiq_getstate)
474	mov	HVIO_MSIQ_GETSTATE, %o5
475	ta	FAST_TRAP
476	brz,a	%o0, 1f
477	stuw	%o1, [%o2]
4781:	retl
479	nop
480	SET_SIZE(hvio_msiq_getstate)
481
482	/*
483	 * arg0 - devhandle
484	 * arg1 - msiq_id
485	 * arg2 - msiq_state
486	 *
487	 * ret0 - status
488	 */
489	ENTRY(hvio_msiq_setstate)
490	mov	HVIO_MSIQ_SETSTATE, %o5
491	ta	FAST_TRAP
492	retl
493	nop
494	SET_SIZE(hvio_msiq_setstate)
495
496	/*
497	 * arg0 - devhandle
498	 * arg1 - msiq_id
499	 *
500	 * ret0 - status
501	 * ret1 - msiq_head
502	 */
503	ENTRY(hvio_msiq_gethead)
504	mov	HVIO_MSIQ_GETHEAD, %o5
505	ta	FAST_TRAP
506	brz,a	%o0, 1f
507	stx	%o1, [%o2]
5081:	retl
509	nop
510	SET_SIZE(hvio_msiq_gethead)
511
512	/*
513	 * arg0 - devhandle
514	 * arg1 - msiq_id
515	 * arg2 - msiq_head
516	 *
517	 * ret0 - status
518	 */
519	ENTRY(hvio_msiq_sethead)
520	mov	HVIO_MSIQ_SETHEAD, %o5
521	ta	FAST_TRAP
522	retl
523	nop
524	SET_SIZE(hvio_msiq_sethead)
525
526	/*
527	 * arg0 - devhandle
528	 * arg1 - msiq_id
529	 *
530	 * ret0 - status
531	 * ret1 - msiq_tail
532	 */
533	ENTRY(hvio_msiq_gettail)
534	mov	HVIO_MSIQ_GETTAIL, %o5
535	ta	FAST_TRAP
536	brz,a	%o0, 1f
537	stx	%o1, [%o2]
5381:	retl
539	nop
540	SET_SIZE(hvio_msiq_gettail)
541
542	/*
543	 * arg0 - devhandle
544	 * arg1 - msi_num
545	 *
546	 * ret0 - status
547	 * ret1 - msiq_id
548	 */
549	ENTRY(hvio_msi_getmsiq)
550	mov	HVIO_MSI_GETMSIQ, %o5
551	ta	FAST_TRAP
552	brz,a	%o0, 1f
553	stuw	%o1, [%o2]
5541:	retl
555	nop
556	SET_SIZE(hvio_msi_getmsiq)
557
558	/*
559	 * arg0 - devhandle
560	 * arg1 - msi_num
561	 * arg2 - msiq_id
562	 * arg2 - msitype
563	 *
564	 * ret0 - status
565	 */
566	ENTRY(hvio_msi_setmsiq)
567	mov	HVIO_MSI_SETMSIQ, %o5
568	ta	FAST_TRAP
569	retl
570	nop
571	SET_SIZE(hvio_msi_setmsiq)
572
573	/*
574	 * arg0 - devhandle
575	 * arg1 - msi_num
576	 *
577	 * ret0 - status
578	 * ret1 - msi_valid_state
579	 */
580	ENTRY(hvio_msi_getvalid)
581	mov	HVIO_MSI_GETVALID, %o5
582	ta	FAST_TRAP
583	brz,a	%o0, 1f
584	stuw	%o1, [%o2]
5851:	retl
586	nop
587	SET_SIZE(hvio_msi_getvalid)
588
589	/*
590	 * arg0 - devhandle
591	 * arg1 - msi_num
592	 * arg2 - msi_valid_state
593	 *
594	 * ret0 - status
595	 */
596	ENTRY(hvio_msi_setvalid)
597	mov	HVIO_MSI_SETVALID, %o5
598	ta	FAST_TRAP
599	retl
600	nop
601	SET_SIZE(hvio_msi_setvalid)
602
603	/*
604	 * arg0 - devhandle
605	 * arg1 - msi_num
606	 *
607	 * ret0 - status
608	 * ret1 - msi_state
609	 */
610	ENTRY(hvio_msi_getstate)
611	mov	HVIO_MSI_GETSTATE, %o5
612	ta	FAST_TRAP
613	brz,a	%o0, 1f
614	stuw	%o1, [%o2]
6151:	retl
616	nop
617	SET_SIZE(hvio_msi_getstate)
618
619	/*
620	 * arg0 - devhandle
621	 * arg1 - msi_num
622	 * arg2 - msi_state
623	 *
624	 * ret0 - status
625	 */
626	ENTRY(hvio_msi_setstate)
627	mov	HVIO_MSI_SETSTATE, %o5
628	ta	FAST_TRAP
629	retl
630	nop
631	SET_SIZE(hvio_msi_setstate)
632
633	/*
634	 * arg0 - devhandle
635	 * arg1 - msg_type
636	 *
637	 * ret0 - status
638	 * ret1 - msiq_id
639	 */
640	ENTRY(hvio_msg_getmsiq)
641	mov	HVIO_MSG_GETMSIQ, %o5
642	ta	FAST_TRAP
643	brz,a	%o0, 1f
644	stuw	%o1, [%o2]
6451:	retl
646	nop
647	SET_SIZE(hvio_msg_getmsiq)
648
649	/*
650	 * arg0 - devhandle
651	 * arg1 - msg_type
652	 * arg2 - msiq_id
653	 *
654	 * ret0 - status
655	 */
656	ENTRY(hvio_msg_setmsiq)
657	mov	HVIO_MSG_SETMSIQ, %o5
658	ta	FAST_TRAP
659	retl
660	nop
661	SET_SIZE(hvio_msg_setmsiq)
662
663	/*
664	 * arg0 - devhandle
665	 * arg1 - msg_type
666	 *
667	 * ret0 - status
668	 * ret1 - msg_valid_state
669	 */
670	ENTRY(hvio_msg_getvalid)
671	mov	HVIO_MSG_GETVALID, %o5
672	ta	FAST_TRAP
673	brz,a	%o0, 1f
674	stuw	%o1, [%o2]
6751:	retl
676	nop
677	SET_SIZE(hvio_msg_getvalid)
678
679	/*
680	 * arg0 - devhandle
681	 * arg1 - msg_type
682	 * arg2 - msg_valid_state
683	 *
684	 * ret0 - status
685	 */
686	ENTRY(hvio_msg_setvalid)
687	mov	HVIO_MSG_SETVALID, %o5
688	ta	FAST_TRAP
689	retl
690	nop
691	SET_SIZE(hvio_msg_setvalid)
692
693#define	SHIFT_REGS	mov %o1,%o0; mov %o2,%o1; mov %o3,%o2; mov %o4,%o3
694
695! px_phys_acc_4v: Do physical address read.
696!
697! After SHIFT_REGS:
698! %o0 is "from" address
699! %o1 is "to" address
700!
701! Assumes 8 byte data and that alignment is correct.
702!
703! Always returns success (0) in %o0
704
705	! px_phys_acc_4v must not be split across pages.
706	!
707	! ATTN: Be sure that the alignment value is larger than the size of
708	! the px_phys_acc_4v function.
709	!
710	.align	0x40
711
712	ENTRY(px_phys_acc_4v)
713
714	SHIFT_REGS
715	ldx	[%o0], %g1
716	stx	%g1, [%o1]
717	membar	#Sync			! Make sure the loads take
718	mov     %g0, %o0
719	done
720	SET_SIZE(px_phys_acc_4v)
721
722#endif	/* lint || __lint */
723