xref: /titanic_51/usr/src/uts/sun4v/io/px/px_hcall.s (revision b72c368a02e0464faeef362bc5a1cf0fc69981da)
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_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/*
197 * First arg to both of these functions is a dummy, to accomodate how
198 * hv_hpriv() works.
199 */
200/*ARGSUSED*/
201int
202px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr)
203{ return (0); }
204
205#else	/* lint || __lint */
206
207	/*
208	 * arg0 - devhandle
209	 * arg1 - tsbid
210	 * arg2 - pages
211	 * arg3 - io_attributes
212	 * arg4 - io_page_list_p
213	 *
214	 * ret1 - pages_mapped
215	 */
216	ENTRY(hvio_iommu_map)
217	save	%sp, -SA(MINFRAME64), %sp
218	mov	%i0, %o0
219	mov	%i1, %o1
220	mov	%i2, %o2
221	mov	%i3, %o3
222	mov	%i4, %o4
223	mov	HVIO_IOMMU_MAP, %o5
224	ta	FAST_TRAP
225	brnz	%o0, 1f
226	mov	%o0, %i0
227	stuw	%o1, [%i5]
2281:
229	ret
230	restore
231	SET_SIZE(hvio_iommu_map)
232
233	/*
234	 * arg0 - devhandle
235	 * arg1 - tsbid
236	 * arg2 - pages
237	 *
238	 * ret1 - pages_demapped
239	 */
240	ENTRY(hvio_iommu_demap)
241	mov	HVIO_IOMMU_DEMAP, %o5
242	ta	FAST_TRAP
243	brz,a	%o0, 1f
244	stuw	%o1, [%o3]
2451:	retl
246	nop
247	SET_SIZE(hvio_iommu_demap)
248
249	/*
250	 * arg0 - devhandle
251	 * arg1 - tsbid
252	 *
253	 *
254	 * ret0 - status
255	 * ret1 - io_attributes
256	 * ret2 - r_addr
257	 */
258	ENTRY(hvio_iommu_getmap)
259	mov	%o2, %o4
260	mov	HVIO_IOMMU_GETMAP, %o5
261	ta	FAST_TRAP
262	brnz	%o0, 1f
263	nop
264	stx	%o2, [%o3]
265	st	%o1, [%o4]
2661:
267	retl
268	nop
269	SET_SIZE(hvio_iommu_getmap)
270
271	/*
272	 * arg0 - devhandle
273	 * arg1 - r_addr
274	 * arg2 - io_attributes
275	 *
276	 *
277	 * ret0 - status
278	 * ret1 - io_addr
279	 */
280	ENTRY(hvio_iommu_getbypass)
281	mov	HVIO_IOMMU_GETBYPASS, %o5
282	ta	FAST_TRAP
283	brz,a	%o0, 1f
284	stx	%o1, [%o3]
2851:	retl
286	nop
287	SET_SIZE(hvio_iommu_getbypass)
288
289	/*
290	 * arg0 - devhandle
291	 * arg1 - r_addr
292	 * arg2 - size
293	 *
294	 * ret1 - error_flag
295	 * ret2 - data
296	 */
297	ENTRY(hvio_peek)
298	mov	HVIO_PEEK, %o5
299	ta	FAST_TRAP
300	brnz	%o0, 1f
301	nop
302	stx	%o2, [%o4]
303	st	%o1, [%o3]
3041:
305	retl
306	nop
307	SET_SIZE(hvio_peek)
308
309	/*
310	 * arg0 - devhandle
311	 * arg1 - r_addr
312	 * arg2 - sizes
313	 * arg3 - data
314	 * arg4 - r_addr2
315	 *
316	 * ret1 - error_flag
317	 */
318	ENTRY(hvio_poke)
319	save	%sp, -SA(MINFRAME64), %sp
320	mov	%i0, %o0
321	mov	%i1, %o1
322	mov	%i2, %o2
323	mov	%i3, %o3
324	mov	%i4, %o4
325	mov	HVIO_POKE, %o5
326	ta	FAST_TRAP
327	brnz	%o0, 1f
328	mov	%o0, %i0
329	stuw	%o1, [%i5]
3301:
331	ret
332	restore
333	SET_SIZE(hvio_poke)
334
335	/*
336	 * arg0 - devhandle
337	 * arg1 - r_addr
338	 * arg2 - num_bytes
339	 * arg3 - io_sync_direction
340	 *
341	 * ret0 - status
342	 * ret1 - bytes_synched
343	 */
344	ENTRY(hvio_dma_sync)
345	mov	HVIO_DMA_SYNC, %o5
346	ta	FAST_TRAP
347	brz,a	%o0, 1f
348	stx	%o1, [%o4]
3491:	retl
350	nop
351	SET_SIZE(hvio_dma_sync)
352
353	/*
354	 * arg0 - devhandle
355	 * arg1 - msiq_id
356	 * arg2 - r_addr
357	 * arg3 - nentries
358	 *
359	 * ret0 - status
360	 */
361	ENTRY(hvio_msiq_conf)
362	mov	HVIO_MSIQ_CONF, %o5
363	ta	FAST_TRAP
364	retl
365	nop
366	SET_SIZE(hvio_msiq_conf)
367
368	/*
369	 * arg0 - devhandle
370	 * arg1 - msiq_id
371	 *
372	 * ret0 - status
373	 * ret1 - r_addr
374	 * ret1 - nentries
375	 */
376	ENTRY(hvio_msiq_info)
377	mov     %o2, %o4
378	mov     HVIO_MSIQ_INFO, %o5
379	ta      FAST_TRAP
380	brnz	%o0, 1f
381	nop
382	stx     %o1, [%o4]
383	stuw    %o2, [%o3]
3841:      retl
385	nop
386	SET_SIZE(hvio_msiq_info)
387
388	/*
389	 * arg0 - devhandle
390	 * arg1 - msiq_id
391	 *
392	 * ret0 - status
393	 * ret1 - msiq_valid_state
394	 */
395	ENTRY(hvio_msiq_getvalid)
396	mov	HVIO_MSIQ_GETVALID, %o5
397	ta	FAST_TRAP
398	brz,a	%o0, 1f
399	stuw	%o1, [%o2]
4001:	retl
401	nop
402	SET_SIZE(hvio_msiq_getvalid)
403
404	/*
405	 * arg0 - devhandle
406	 * arg1 - msiq_id
407	 * arg2 - msiq_valid_state
408	 *
409	 * ret0 - status
410	 */
411	ENTRY(hvio_msiq_setvalid)
412	mov	HVIO_MSIQ_SETVALID, %o5
413	ta	FAST_TRAP
414	retl
415	nop
416	SET_SIZE(hvio_msiq_setvalid)
417
418	/*
419	 * arg0 - devhandle
420	 * arg1 - msiq_id
421	 *
422	 * ret0 - status
423	 * ret1 - msiq_state
424	 */
425	ENTRY(hvio_msiq_getstate)
426	mov	HVIO_MSIQ_GETSTATE, %o5
427	ta	FAST_TRAP
428	brz,a	%o0, 1f
429	stuw	%o1, [%o2]
4301:	retl
431	nop
432	SET_SIZE(hvio_msiq_getstate)
433
434	/*
435	 * arg0 - devhandle
436	 * arg1 - msiq_id
437	 * arg2 - msiq_state
438	 *
439	 * ret0 - status
440	 */
441	ENTRY(hvio_msiq_setstate)
442	mov	HVIO_MSIQ_SETSTATE, %o5
443	ta	FAST_TRAP
444	retl
445	nop
446	SET_SIZE(hvio_msiq_setstate)
447
448	/*
449	 * arg0 - devhandle
450	 * arg1 - msiq_id
451	 *
452	 * ret0 - status
453	 * ret1 - msiq_head
454	 */
455	ENTRY(hvio_msiq_gethead)
456	mov	HVIO_MSIQ_GETHEAD, %o5
457	ta	FAST_TRAP
458	brz,a	%o0, 1f
459	stx	%o1, [%o2]
4601:	retl
461	nop
462	SET_SIZE(hvio_msiq_gethead)
463
464	/*
465	 * arg0 - devhandle
466	 * arg1 - msiq_id
467	 * arg2 - msiq_head
468	 *
469	 * ret0 - status
470	 */
471	ENTRY(hvio_msiq_sethead)
472	mov	HVIO_MSIQ_SETHEAD, %o5
473	ta	FAST_TRAP
474	retl
475	nop
476	SET_SIZE(hvio_msiq_sethead)
477
478	/*
479	 * arg0 - devhandle
480	 * arg1 - msiq_id
481	 *
482	 * ret0 - status
483	 * ret1 - msiq_tail
484	 */
485	ENTRY(hvio_msiq_gettail)
486	mov	HVIO_MSIQ_GETTAIL, %o5
487	ta	FAST_TRAP
488	brz,a	%o0, 1f
489	stx	%o1, [%o2]
4901:	retl
491	nop
492	SET_SIZE(hvio_msiq_gettail)
493
494	/*
495	 * arg0 - devhandle
496	 * arg1 - msi_num
497	 *
498	 * ret0 - status
499	 * ret1 - msiq_id
500	 */
501	ENTRY(hvio_msi_getmsiq)
502	mov	HVIO_MSI_GETMSIQ, %o5
503	ta	FAST_TRAP
504	brz,a	%o0, 1f
505	stuw	%o1, [%o2]
5061:	retl
507	nop
508	SET_SIZE(hvio_msi_getmsiq)
509
510	/*
511	 * arg0 - devhandle
512	 * arg1 - msi_num
513	 * arg2 - msiq_id
514	 * arg2 - msitype
515	 *
516	 * ret0 - status
517	 */
518	ENTRY(hvio_msi_setmsiq)
519	mov	HVIO_MSI_SETMSIQ, %o5
520	ta	FAST_TRAP
521	retl
522	nop
523	SET_SIZE(hvio_msi_setmsiq)
524
525	/*
526	 * arg0 - devhandle
527	 * arg1 - msi_num
528	 *
529	 * ret0 - status
530	 * ret1 - msi_valid_state
531	 */
532	ENTRY(hvio_msi_getvalid)
533	mov	HVIO_MSI_GETVALID, %o5
534	ta	FAST_TRAP
535	brz,a	%o0, 1f
536	stuw	%o1, [%o2]
5371:	retl
538	nop
539	SET_SIZE(hvio_msi_getvalid)
540
541	/*
542	 * arg0 - devhandle
543	 * arg1 - msi_num
544	 * arg2 - msi_valid_state
545	 *
546	 * ret0 - status
547	 */
548	ENTRY(hvio_msi_setvalid)
549	mov	HVIO_MSI_SETVALID, %o5
550	ta	FAST_TRAP
551	retl
552	nop
553	SET_SIZE(hvio_msi_setvalid)
554
555	/*
556	 * arg0 - devhandle
557	 * arg1 - msi_num
558	 *
559	 * ret0 - status
560	 * ret1 - msi_state
561	 */
562	ENTRY(hvio_msi_getstate)
563	mov	HVIO_MSI_GETSTATE, %o5
564	ta	FAST_TRAP
565	brz,a	%o0, 1f
566	stuw	%o1, [%o2]
5671:	retl
568	nop
569	SET_SIZE(hvio_msi_getstate)
570
571	/*
572	 * arg0 - devhandle
573	 * arg1 - msi_num
574	 * arg2 - msi_state
575	 *
576	 * ret0 - status
577	 */
578	ENTRY(hvio_msi_setstate)
579	mov	HVIO_MSI_SETSTATE, %o5
580	ta	FAST_TRAP
581	retl
582	nop
583	SET_SIZE(hvio_msi_setstate)
584
585	/*
586	 * arg0 - devhandle
587	 * arg1 - msg_type
588	 *
589	 * ret0 - status
590	 * ret1 - msiq_id
591	 */
592	ENTRY(hvio_msg_getmsiq)
593	mov	HVIO_MSG_GETMSIQ, %o5
594	ta	FAST_TRAP
595	brz,a	%o0, 1f
596	stuw	%o1, [%o2]
5971:	retl
598	nop
599	SET_SIZE(hvio_msg_getmsiq)
600
601	/*
602	 * arg0 - devhandle
603	 * arg1 - msg_type
604	 * arg2 - msiq_id
605	 *
606	 * ret0 - status
607	 */
608	ENTRY(hvio_msg_setmsiq)
609	mov	HVIO_MSG_SETMSIQ, %o5
610	ta	FAST_TRAP
611	retl
612	nop
613	SET_SIZE(hvio_msg_setmsiq)
614
615	/*
616	 * arg0 - devhandle
617	 * arg1 - msg_type
618	 *
619	 * ret0 - status
620	 * ret1 - msg_valid_state
621	 */
622	ENTRY(hvio_msg_getvalid)
623	mov	HVIO_MSG_GETVALID, %o5
624	ta	FAST_TRAP
625	brz,a	%o0, 1f
626	stuw	%o1, [%o2]
6271:	retl
628	nop
629	SET_SIZE(hvio_msg_getvalid)
630
631	/*
632	 * arg0 - devhandle
633	 * arg1 - msg_type
634	 * arg2 - msg_valid_state
635	 *
636	 * ret0 - status
637	 */
638	ENTRY(hvio_msg_setvalid)
639	mov	HVIO_MSG_SETVALID, %o5
640	ta	FAST_TRAP
641	retl
642	nop
643	SET_SIZE(hvio_msg_setvalid)
644
645#define	SHIFT_REGS	mov %o1,%o0; mov %o2,%o1; mov %o3,%o2; mov %o4,%o3
646
647! px_phys_acc_4v: Do physical address read.
648!
649! After SHIFT_REGS:
650! %o0 is "from" address
651! %o1 is "to" address
652!
653! Assumes 8 byte data and that alignment is correct.
654!
655! Always returns success (0) in %o0
656
657	! px_phys_acc_4v must not be split across pages.
658	!
659	! ATTN: Be sure that the alignment value is larger than the size of
660	! the px_phys_acc_4v function.
661	!
662	.align	0x40
663
664	ENTRY(px_phys_acc_4v)
665
666	SHIFT_REGS
667	ldx	[%o0], %g1
668	stx	%g1, [%o1]
669	membar	#Sync			! Make sure the loads take
670	mov     %g0, %o0
671	done
672	SET_SIZE(px_phys_acc_4v)
673
674#endif	/* lint || __lint */
675