xref: /titanic_41/usr/src/uts/sun4v/io/px/px_hcall.s (revision b3697b90e692e3e5d859fb77d285d4c056d99eda)
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 2010 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_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
42    io_attributes_t attr, io_page_list_t *io_page_list_p,
43    pages_t *pages_mapped)
44{ return (0); }
45
46/*ARGSUSED*/
47uint64_t
48hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid, pages_t pages,
49    pages_t *pages_demapped)
50{ return (0); }
51
52/*ARGSUSED*/
53uint64_t
54hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid, io_attributes_t *attr_p,
55    r_addr_t *r_addr_p)
56{ return (0); }
57
58/*ARGSUSED*/
59uint64_t
60hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra, io_attributes_t attr,
61    io_addr_t *io_addr_p)
62{ return (0); }
63
64/*ARGSUSED*/
65uint64_t
66hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size, uint32_t *status,
67    uint64_t *data_p)
68{ return (0); }
69
70/*ARGSUSED*/
71uint64_t
72hvio_poke(devhandle_t dev_hdl, r_addr_t ra, uint64_t sizes, uint64_t data,
73    r_addr_t ra2, uint32_t *rdbk_status)
74{ return (0); }
75
76/*ARGSUSED*/
77uint64_t
78hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra, size_t num_bytes,
79    io_sync_direction_t io_sync_direction, size_t *bytes_synched)
80{ return (0); }
81
82/*ARGSUSED*/
83uint64_t
84hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t ra,
85    uint_t msiq_rec_cnt)
86{ return (0); }
87
88/*ARGSUSED*/
89uint64_t
90hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id, r_addr_t *r_addr_p,
91    uint_t *msiq_rec_cnt_p)
92{ return (0); }
93
94/*ARGSUSED*/
95uint64_t
96hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
97    pci_msiq_valid_state_t *msiq_valid_state)
98{ return (0); }
99
100/*ARGSUSED*/
101uint64_t
102hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
103    pci_msiq_valid_state_t msiq_valid_state)
104{ return (0); }
105
106/*ARGSUSED*/
107uint64_t
108hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
109    pci_msiq_state_t *msiq_state)
110{ return (0); }
111
112/*ARGSUSED*/
113uint64_t
114hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
115    pci_msiq_state_t msiq_state)
116{ return (0); }
117
118/*ARGSUSED*/
119uint64_t
120hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
121    msiqhead_t *msiq_head)
122{ return (0); }
123
124/*ARGSUSED*/
125uint64_t
126hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
127    msiqhead_t msiq_head)
128{ return (0); }
129
130/*ARGSUSED*/
131uint64_t
132hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
133    msiqtail_t *msiq_tail)
134{ return (0); }
135
136/*ARGSUSED*/
137uint64_t
138hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
139    msiqid_t *msiq_id)
140{ return (0); }
141
142/*ARGSUSED*/
143uint64_t
144hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
145    msiqid_t msiq_id, msi_type_t msitype)
146{ return (0); }
147
148/*ARGSUSED*/
149uint64_t
150hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
151    pci_msi_valid_state_t *msi_valid_state)
152{ return (0); }
153
154/*ARGSUSED*/
155uint64_t
156hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
157    pci_msi_valid_state_t msi_valid_state)
158{ return (0); }
159
160/*ARGSUSED*/
161uint64_t
162hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
163    pci_msi_state_t *msi_state)
164{ return (0); }
165
166/*ARGSUSED*/
167uint64_t
168hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
169    pci_msi_state_t msi_state)
170{ return (0); }
171
172/*ARGSUSED*/
173uint64_t
174hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
175    msiqid_t *msiq_id)
176{ return (0); }
177
178/*ARGSUSED*/
179uint64_t
180hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
181    msiqid_t msiq_id)
182{ return (0); }
183
184/*ARGSUSED*/
185uint64_t
186hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
187    pcie_msg_valid_state_t *msg_valid_state)
188{ return (0); }
189
190/*ARGSUSED*/
191uint64_t
192hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
193    pcie_msg_valid_state_t msg_valid_state)
194{ return (0); }
195
196/*ARGSUSED*/
197uint64_t
198pci_error_send(devhandle_t dev_hdl, devino_t devino, pci_device_t bdf)
199{ return (0); }
200
201/*
202 * First arg to both of these functions is a dummy, to accomodate how
203 * hv_hpriv() works.
204 */
205/*ARGSUSED*/
206int
207px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr)
208{ return (0); }
209
210/*ARGSUSED*/
211uint64_t
212pci_iov_root_configured(devhandle_t dev_hdl)
213{ return (0); }
214
215#else	/* lint || __lint */
216
217	/*
218	 * arg0 - devhandle
219	 * arg1 - tsbid
220	 * arg2 - pages
221	 * arg3 - io_attributes
222	 * arg4 - io_page_list_p
223	 *
224	 * ret1 - pages_mapped
225	 */
226	ENTRY(hvio_iommu_map)
227	save	%sp, -SA(MINFRAME64), %sp
228	mov	%i0, %o0
229	mov	%i1, %o1
230	mov	%i2, %o2
231	mov	%i3, %o3
232	mov	%i4, %o4
233	mov	HVIO_IOMMU_MAP, %o5
234	ta	FAST_TRAP
235	brnz	%o0, 1f
236	mov	%o0, %i0
237	stuw	%o1, [%i5]
2381:
239	ret
240	restore
241	SET_SIZE(hvio_iommu_map)
242
243	/*
244	 * arg0 - devhandle
245	 * arg1 - tsbid
246	 * arg2 - pages
247	 *
248	 * ret1 - pages_demapped
249	 */
250	ENTRY(hvio_iommu_demap)
251	mov	HVIO_IOMMU_DEMAP, %o5
252	ta	FAST_TRAP
253	brz,a	%o0, 1f
254	stuw	%o1, [%o3]
2551:	retl
256	nop
257	SET_SIZE(hvio_iommu_demap)
258
259	/*
260	 * arg0 - devhandle
261	 * arg1 - tsbid
262	 *
263	 *
264	 * ret0 - status
265	 * ret1 - io_attributes
266	 * ret2 - r_addr
267	 */
268	ENTRY(hvio_iommu_getmap)
269	mov	%o2, %o4
270	mov	HVIO_IOMMU_GETMAP, %o5
271	ta	FAST_TRAP
272	brnz	%o0, 1f
273	nop
274	stx	%o2, [%o3]
275	st	%o1, [%o4]
2761:
277	retl
278	nop
279	SET_SIZE(hvio_iommu_getmap)
280
281	/*
282	 * arg0 - devhandle
283	 * arg1 - r_addr
284	 * arg2 - io_attributes
285	 *
286	 *
287	 * ret0 - status
288	 * ret1 - io_addr
289	 */
290	ENTRY(hvio_iommu_getbypass)
291	mov	HVIO_IOMMU_GETBYPASS, %o5
292	ta	FAST_TRAP
293	brz,a	%o0, 1f
294	stx	%o1, [%o3]
2951:	retl
296	nop
297	SET_SIZE(hvio_iommu_getbypass)
298
299	/*
300	 * arg0 - devhandle
301	 * arg1 - r_addr
302	 * arg2 - size
303	 *
304	 * ret1 - error_flag
305	 * ret2 - data
306	 */
307	ENTRY(hvio_peek)
308	mov	HVIO_PEEK, %o5
309	ta	FAST_TRAP
310	brnz	%o0, 1f
311	nop
312	stx	%o2, [%o4]
313	st	%o1, [%o3]
3141:
315	retl
316	nop
317	SET_SIZE(hvio_peek)
318
319	/*
320	 * arg0 - devhandle
321	 * arg1 - r_addr
322	 * arg2 - sizes
323	 * arg3 - data
324	 * arg4 - r_addr2
325	 *
326	 * ret1 - error_flag
327	 */
328	ENTRY(hvio_poke)
329	save	%sp, -SA(MINFRAME64), %sp
330	mov	%i0, %o0
331	mov	%i1, %o1
332	mov	%i2, %o2
333	mov	%i3, %o3
334	mov	%i4, %o4
335	mov	HVIO_POKE, %o5
336	ta	FAST_TRAP
337	brnz	%o0, 1f
338	mov	%o0, %i0
339	stuw	%o1, [%i5]
3401:
341	ret
342	restore
343	SET_SIZE(hvio_poke)
344
345	/*
346	 * arg0 - devhandle
347	 * arg1 - r_addr
348	 * arg2 - num_bytes
349	 * arg3 - io_sync_direction
350	 *
351	 * ret0 - status
352	 * ret1 - bytes_synched
353	 */
354	ENTRY(hvio_dma_sync)
355	mov	HVIO_DMA_SYNC, %o5
356	ta	FAST_TRAP
357	brz,a	%o0, 1f
358	stx	%o1, [%o4]
3591:	retl
360	nop
361	SET_SIZE(hvio_dma_sync)
362
363	/*
364	 * arg0 - devhandle
365	 * arg1 - msiq_id
366	 * arg2 - r_addr
367	 * arg3 - nentries
368	 *
369	 * ret0 - status
370	 */
371	ENTRY(hvio_msiq_conf)
372	mov	HVIO_MSIQ_CONF, %o5
373	ta	FAST_TRAP
374	retl
375	nop
376	SET_SIZE(hvio_msiq_conf)
377
378	/*
379	 * arg0 - devhandle
380	 * arg1 - msiq_id
381	 *
382	 * ret0 - status
383	 * ret1 - r_addr
384	 * ret1 - nentries
385	 */
386	ENTRY(hvio_msiq_info)
387	mov     %o2, %o4
388	mov     HVIO_MSIQ_INFO, %o5
389	ta      FAST_TRAP
390	brnz	%o0, 1f
391	nop
392	stx     %o1, [%o4]
393	stuw    %o2, [%o3]
3941:      retl
395	nop
396	SET_SIZE(hvio_msiq_info)
397
398	/*
399	 * arg0 - devhandle
400	 * arg1 - msiq_id
401	 *
402	 * ret0 - status
403	 * ret1 - msiq_valid_state
404	 */
405	ENTRY(hvio_msiq_getvalid)
406	mov	HVIO_MSIQ_GETVALID, %o5
407	ta	FAST_TRAP
408	brz,a	%o0, 1f
409	stuw	%o1, [%o2]
4101:	retl
411	nop
412	SET_SIZE(hvio_msiq_getvalid)
413
414	/*
415	 * arg0 - devhandle
416	 * arg1 - msiq_id
417	 * arg2 - msiq_valid_state
418	 *
419	 * ret0 - status
420	 */
421	ENTRY(hvio_msiq_setvalid)
422	mov	HVIO_MSIQ_SETVALID, %o5
423	ta	FAST_TRAP
424	retl
425	nop
426	SET_SIZE(hvio_msiq_setvalid)
427
428	/*
429	 * arg0 - devhandle
430	 * arg1 - msiq_id
431	 *
432	 * ret0 - status
433	 * ret1 - msiq_state
434	 */
435	ENTRY(hvio_msiq_getstate)
436	mov	HVIO_MSIQ_GETSTATE, %o5
437	ta	FAST_TRAP
438	brz,a	%o0, 1f
439	stuw	%o1, [%o2]
4401:	retl
441	nop
442	SET_SIZE(hvio_msiq_getstate)
443
444	/*
445	 * arg0 - devhandle
446	 * arg1 - msiq_id
447	 * arg2 - msiq_state
448	 *
449	 * ret0 - status
450	 */
451	ENTRY(hvio_msiq_setstate)
452	mov	HVIO_MSIQ_SETSTATE, %o5
453	ta	FAST_TRAP
454	retl
455	nop
456	SET_SIZE(hvio_msiq_setstate)
457
458	/*
459	 * arg0 - devhandle
460	 * arg1 - msiq_id
461	 *
462	 * ret0 - status
463	 * ret1 - msiq_head
464	 */
465	ENTRY(hvio_msiq_gethead)
466	mov	HVIO_MSIQ_GETHEAD, %o5
467	ta	FAST_TRAP
468	brz,a	%o0, 1f
469	stx	%o1, [%o2]
4701:	retl
471	nop
472	SET_SIZE(hvio_msiq_gethead)
473
474	/*
475	 * arg0 - devhandle
476	 * arg1 - msiq_id
477	 * arg2 - msiq_head
478	 *
479	 * ret0 - status
480	 */
481	ENTRY(hvio_msiq_sethead)
482	mov	HVIO_MSIQ_SETHEAD, %o5
483	ta	FAST_TRAP
484	retl
485	nop
486	SET_SIZE(hvio_msiq_sethead)
487
488	/*
489	 * arg0 - devhandle
490	 * arg1 - msiq_id
491	 *
492	 * ret0 - status
493	 * ret1 - msiq_tail
494	 */
495	ENTRY(hvio_msiq_gettail)
496	mov	HVIO_MSIQ_GETTAIL, %o5
497	ta	FAST_TRAP
498	brz,a	%o0, 1f
499	stx	%o1, [%o2]
5001:	retl
501	nop
502	SET_SIZE(hvio_msiq_gettail)
503
504	/*
505	 * arg0 - devhandle
506	 * arg1 - msi_num
507	 *
508	 * ret0 - status
509	 * ret1 - msiq_id
510	 */
511	ENTRY(hvio_msi_getmsiq)
512	mov	HVIO_MSI_GETMSIQ, %o5
513	ta	FAST_TRAP
514	brz,a	%o0, 1f
515	stuw	%o1, [%o2]
5161:	retl
517	nop
518	SET_SIZE(hvio_msi_getmsiq)
519
520	/*
521	 * arg0 - devhandle
522	 * arg1 - msi_num
523	 * arg2 - msiq_id
524	 * arg2 - msitype
525	 *
526	 * ret0 - status
527	 */
528	ENTRY(hvio_msi_setmsiq)
529	mov	HVIO_MSI_SETMSIQ, %o5
530	ta	FAST_TRAP
531	retl
532	nop
533	SET_SIZE(hvio_msi_setmsiq)
534
535	/*
536	 * arg0 - devhandle
537	 * arg1 - msi_num
538	 *
539	 * ret0 - status
540	 * ret1 - msi_valid_state
541	 */
542	ENTRY(hvio_msi_getvalid)
543	mov	HVIO_MSI_GETVALID, %o5
544	ta	FAST_TRAP
545	brz,a	%o0, 1f
546	stuw	%o1, [%o2]
5471:	retl
548	nop
549	SET_SIZE(hvio_msi_getvalid)
550
551	/*
552	 * arg0 - devhandle
553	 * arg1 - msi_num
554	 * arg2 - msi_valid_state
555	 *
556	 * ret0 - status
557	 */
558	ENTRY(hvio_msi_setvalid)
559	mov	HVIO_MSI_SETVALID, %o5
560	ta	FAST_TRAP
561	retl
562	nop
563	SET_SIZE(hvio_msi_setvalid)
564
565	/*
566	 * arg0 - devhandle
567	 * arg1 - msi_num
568	 *
569	 * ret0 - status
570	 * ret1 - msi_state
571	 */
572	ENTRY(hvio_msi_getstate)
573	mov	HVIO_MSI_GETSTATE, %o5
574	ta	FAST_TRAP
575	brz,a	%o0, 1f
576	stuw	%o1, [%o2]
5771:	retl
578	nop
579	SET_SIZE(hvio_msi_getstate)
580
581	/*
582	 * arg0 - devhandle
583	 * arg1 - msi_num
584	 * arg2 - msi_state
585	 *
586	 * ret0 - status
587	 */
588	ENTRY(hvio_msi_setstate)
589	mov	HVIO_MSI_SETSTATE, %o5
590	ta	FAST_TRAP
591	retl
592	nop
593	SET_SIZE(hvio_msi_setstate)
594
595	/*
596	 * arg0 - devhandle
597	 * arg1 - msg_type
598	 *
599	 * ret0 - status
600	 * ret1 - msiq_id
601	 */
602	ENTRY(hvio_msg_getmsiq)
603	mov	HVIO_MSG_GETMSIQ, %o5
604	ta	FAST_TRAP
605	brz,a	%o0, 1f
606	stuw	%o1, [%o2]
6071:	retl
608	nop
609	SET_SIZE(hvio_msg_getmsiq)
610
611	/*
612	 * arg0 - devhandle
613	 * arg1 - msg_type
614	 * arg2 - msiq_id
615	 *
616	 * ret0 - status
617	 */
618	ENTRY(hvio_msg_setmsiq)
619	mov	HVIO_MSG_SETMSIQ, %o5
620	ta	FAST_TRAP
621	retl
622	nop
623	SET_SIZE(hvio_msg_setmsiq)
624
625	/*
626	 * arg0 - devhandle
627	 * arg1 - msg_type
628	 *
629	 * ret0 - status
630	 * ret1 - msg_valid_state
631	 */
632	ENTRY(hvio_msg_getvalid)
633	mov	HVIO_MSG_GETVALID, %o5
634	ta	FAST_TRAP
635	brz,a	%o0, 1f
636	stuw	%o1, [%o2]
6371:	retl
638	nop
639	SET_SIZE(hvio_msg_getvalid)
640
641	/*
642	 * arg0 - devhandle
643	 * arg1 - msg_type
644	 * arg2 - msg_valid_state
645	 *
646	 * ret0 - status
647	 */
648	ENTRY(hvio_msg_setvalid)
649	mov	HVIO_MSG_SETVALID, %o5
650	ta	FAST_TRAP
651	retl
652	nop
653	SET_SIZE(hvio_msg_setvalid)
654
655	/*
656	 * arg0 - devhandle
657	 * arg1 - devino
658	 * arg2 - pci_device
659	 *
660	 * ret0 - status
661	 */
662	ENTRY(pci_error_send)
663	mov	PCI_ERROR_SEND, %o5
664	ta	FAST_TRAP
665	retl
666	nop
667	SET_SIZE(pci_error_send)
668
669#define	SHIFT_REGS	mov %o1,%o0; mov %o2,%o1; mov %o3,%o2; mov %o4,%o3
670
671! px_phys_acc_4v: Do physical address read.
672!
673! After SHIFT_REGS:
674! %o0 is "from" address
675! %o1 is "to" address
676!
677! Assumes 8 byte data and that alignment is correct.
678!
679! Always returns success (0) in %o0
680
681	! px_phys_acc_4v must not be split across pages.
682	!
683	! ATTN: Be sure that the alignment value is larger than the size of
684	! the px_phys_acc_4v function.
685	!
686	.align	0x40
687
688	ENTRY(px_phys_acc_4v)
689
690	SHIFT_REGS
691	ldx	[%o0], %g1
692	stx	%g1, [%o1]
693	membar	#Sync			! Make sure the loads take
694	mov     %g0, %o0
695	done
696	SET_SIZE(px_phys_acc_4v)
697
698	/*
699	 * arg0 - devhandle
700	 *
701	 * ret0 - status
702	 */
703	ENTRY(pci_iov_root_configured)
704	mov	PCI_IOV_ROOT_CONFIGURED, %o5
705	ta	FAST_TRAP
706	retl
707	nop
708	SET_SIZE(pci_iov_root_configured)
709
710#endif	/* lint || __lint */
711