cpu_acpi.h revision 10447:27e11f9490f1
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#ifndef	_CPU_ACPI_H
27#define	_CPU_ACPI_H
28
29#include <sys/cpuvar.h>
30#include <sys/acpi/acpi.h>
31#include <sys/acpi/accommon.h>
32#include <sys/acpi/acresrc.h>
33#include <sys/acpica.h>
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39/*
40 * P-state related macros
41 */
42#define	CPU_ACPI_PPC(sp)		sp->cs_ppc
43#define	CPU_ACPI_PSD(sp)		sp->cs_psd
44#define	CPU_ACPI_PCT(sp)		sp->cs_pct
45#define	CPU_ACPI_PCT_CTRL(sp)		&sp->cs_pct[0]
46#define	CPU_ACPI_PCT_STATUS(sp)		&sp->cs_pct[1]
47#define	CPU_ACPI_PSTATES(sp)		sp->cs_pstates.ss_states
48#define	CPU_ACPI_PSTATES_COUNT(sp)	sp->cs_pstates.ss_count
49
50#define	CPU_ACPI_FREQ(pstate)		pstate->ps_freq
51#define	CPU_ACPI_PSTATE_TRANSLAT(pstate) pstate->ps_translat
52#define	CPU_ACPI_PSTATE_CTRL(pstate)	pstate->ps_ctrl
53
54/*
55 * T-state related macros
56 */
57#define	CPU_ACPI_TPC(sp)		sp->cs_tpc
58#define	CPU_ACPI_TSD(sp)		sp->cs_tsd
59#define	CPU_ACPI_PTC(sp)		sp->cs_ptc
60#define	CPU_ACPI_PTC_CTRL(sp)		&sp->cs_ptc[0]
61#define	CPU_ACPI_PTC_STATUS(sp)		&sp->cs_ptc[1]
62#define	CPU_ACPI_TSTATES(sp)		sp->cs_tstates.ss_states
63#define	CPU_ACPI_TSTATES_COUNT(sp)	sp->cs_tstates.ss_count
64
65#define	CPU_ACPI_FREQPER(tstate)	tstate->ts_freqper
66#define	CPU_ACPI_TSTATE_TRANSLAT(tstate) tstate->ts_translat
67#define	CPU_ACPI_TSTATE_CTRL(tstate)	tstate->ts_ctrl
68#define	CPU_ACPI_TSTATE_STAT(tstate)	tstate->ts_state
69
70/*
71 * C-state realted macros
72 */
73#define	CPU_ACPI_CSD(sp)		sp->cs_csd
74#define	CPU_ACPI_CSTATES(sp)		sp->cs_cstates.ss_states
75#define	CPU_ACPI_CSTATES_COUNT(sp)	sp->cs_cstates.ss_count
76
77#define	CPU_ACPI_NONE_CACHED		0x0000
78#define	CPU_ACPI_PCT_CACHED		0x0001
79#define	CPU_ACPI_PSS_CACHED		0x0002
80#define	CPU_ACPI_PSD_CACHED		0x0004
81#define	CPU_ACPI_PPC_CACHED		0x0008
82#define	CPU_ACPI_PTC_CACHED		0x0010
83#define	CPU_ACPI_TSS_CACHED		0x0020
84#define	CPU_ACPI_TSD_CACHED		0x0040
85#define	CPU_ACPI_TPC_CACHED		0x0080
86#define	CPU_ACPI_CST_CACHED		0x0100
87#define	CPU_ACPI_CSD_CACHED		0x0200
88
89#define	CPU_ACPI_IS_OBJ_CACHED(sp, obj)	(sp->cpu_acpi_cached & obj)
90#define	CPU_ACPI_OBJ_IS_CACHED(sp, obj)	(sp->cpu_acpi_cached |= obj)
91#define	CPU_ACPI_OBJ_IS_NOT_CACHED(sp, obj) (sp->cpu_acpi_cached &= ~obj)
92
93#define	CPU_ACPI_PSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_pstate_t))
94#define	CPU_ACPI_PSS_CNT (sizeof (cpu_acpi_pstate_t) / sizeof (uint32_t))
95#define	CPU_ACPI_TSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_tstate_t))
96#define	CPU_ACPI_TSS_CNT (sizeof (cpu_acpi_tstate_t) / sizeof (uint32_t))
97#define	CPU_ACPI_CSTATES_SIZE(cnt) (cnt * sizeof (cpu_acpi_cstate_t))
98#define	CPU_ACPI_CST_CNT (sizeof (cpu_acpi_cstate_t) / sizeof (uint32_t))
99/*
100 * CPU Domain Coordination Types
101 */
102#define	CPU_ACPI_SW_ALL	0xfc
103#define	CPU_ACPI_SW_ANY	0xfd
104#define	CPU_ACPI_HW_ALL	0xfe
105
106/*
107 * Container for ACPI processor state dependency information
108 */
109typedef struct cpu_acpi_state_dependency
110{
111	uint8_t sd_entries;
112	uint8_t sd_revision;
113	uint32_t sd_domain;
114	uint32_t sd_type;
115	uint32_t sd_num;
116	uint32_t sd_index;
117} cpu_acpi_state_dependency_t;
118
119typedef cpu_acpi_state_dependency_t cpu_acpi_psd_t;
120typedef cpu_acpi_state_dependency_t cpu_acpi_tsd_t;
121typedef cpu_acpi_state_dependency_t cpu_acpi_csd_t;
122
123/*
124 * Container for ACPI processor control register information
125 */
126typedef struct cpu_acpi_ctrl_regs
127{
128	uint8_t cr_addrspace_id;
129	uint8_t cr_width;
130	uint8_t cr_offset;
131	uint8_t cr_asize;
132	ACPI_IO_ADDRESS cr_address;
133} cpu_acpi_ctrl_regs_t;
134
135typedef cpu_acpi_ctrl_regs_t cpu_acpi_pct_t;
136typedef cpu_acpi_ctrl_regs_t cpu_acpi_ptc_t;
137
138/*
139 * Container for ACPI _PSS information
140 */
141typedef struct cpu_acpi_pstate
142{
143	uint32_t ps_freq;
144	uint32_t ps_disp;
145	uint32_t ps_translat;
146	uint32_t ps_buslat;
147	uint32_t ps_ctrl;
148	uint32_t ps_state;
149} cpu_acpi_pstate_t;
150
151/*
152 * Container for _TSS information
153 */
154typedef struct cpu_acpi_tstate
155{
156	uint32_t ts_freqper;
157	uint32_t ts_disp;
158	uint32_t ts_translat;
159	uint32_t ts_ctrl;
160	uint32_t ts_state;
161
162} cpu_acpi_tstate_t;
163
164/*
165 * Container for _CST information
166 */
167typedef struct cpu_acpi_cstate
168{
169	uint32_t cs_addrspace_id;
170	uint32_t cs_address;
171	uint32_t cs_type;
172	uint32_t cs_latency;
173	uint32_t cs_power;
174	kstat_t	*cs_ksp;
175} cpu_acpi_cstate_t;
176
177typedef struct cpu_acpi_supported_states {
178	void *ss_states;
179	uint32_t ss_count;
180} cpu_acpi_supported_states_t;
181
182typedef cpu_acpi_supported_states_t cpu_acpi_pstates_t;
183typedef cpu_acpi_supported_states_t cpu_acpi_tstates_t;
184typedef cpu_acpi_supported_states_t cpu_acpi_cstates_t;
185
186typedef int cpu_acpi_present_capabilities_t;
187typedef int cpu_acpi_ppc_t;
188typedef int cpu_acpi_tpc_t;
189
190/*
191 * Container for cached ACPI data.
192 */
193typedef struct cpu_acpi_state {
194	ACPI_HANDLE cs_handle;
195	int cs_id;
196	uint_t cpu_acpi_cached;
197	cpu_acpi_pstates_t cs_pstates;
198	cpu_acpi_pct_t cs_pct[2];
199	cpu_acpi_psd_t cs_psd;
200	cpu_acpi_ppc_t cs_ppc;
201	cpu_acpi_tstates_t cs_tstates;
202	cpu_acpi_ptc_t cs_ptc[2];
203	cpu_acpi_tsd_t cs_tsd;
204	cpu_acpi_tpc_t cs_tpc;
205	cpu_acpi_cstates_t cs_cstates;
206	cpu_acpi_csd_t cs_csd;
207} cpu_acpi_state_t;
208
209typedef cpu_acpi_state_t *cpu_acpi_handle_t;
210
211extern void cpu_acpi_cache_ppc(cpu_acpi_handle_t);
212extern void cpu_acpi_cache_tpc(cpu_acpi_handle_t);
213extern int cpu_acpi_cache_pstate_data(cpu_acpi_handle_t);
214extern void cpu_acpi_free_pstate_data(cpu_acpi_handle_t);
215extern int cpu_acpi_cache_tstate_data(cpu_acpi_handle_t);
216extern void cpu_acpi_free_tstate_data(cpu_acpi_handle_t);
217extern int cpu_acpi_cache_cstate_data(cpu_acpi_handle_t);
218extern void cpu_acpi_free_cstate_data(cpu_acpi_handle_t);
219extern void cpu_acpi_install_notify_handler(cpu_acpi_handle_t,
220    ACPI_NOTIFY_HANDLER, void *);
221extern void cpu_acpi_remove_notify_handler(cpu_acpi_handle_t,
222    ACPI_NOTIFY_HANDLER);
223extern int cpu_acpi_write_pdc(cpu_acpi_handle_t, uint32_t, uint32_t,
224    uint32_t *);
225extern int cpu_acpi_write_port(ACPI_IO_ADDRESS, uint32_t, uint32_t);
226extern int cpu_acpi_read_port(ACPI_IO_ADDRESS, uint32_t *, uint32_t);
227extern void cpu_acpi_set_register(uint32_t, uint32_t);
228extern void cpu_acpi_get_register(uint32_t, uint32_t *);
229extern uint_t cpu_acpi_get_speeds(cpu_acpi_handle_t, int **);
230extern uint_t cpu_acpi_get_max_cstates(cpu_acpi_handle_t);
231extern void cpu_acpi_free_speeds(int *, uint_t);
232extern cpu_acpi_handle_t cpu_acpi_init(cpu_t *);
233extern void cpu_acpi_fini(cpu_acpi_handle_t);
234
235#ifdef __cplusplus
236}
237#endif
238
239#endif	/* _CPU_ACPI_H */
240