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smp.h (81334) smp.h (89051)
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 9 unchanged lines hidden (view full) ---

18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/include/smp.h 81334 2001-08-09 02:09:34Z obrien $
26 * $FreeBSD: head/sys/sparc64/include/smp.h 89051 2002-01-08 05:50:26Z jake $
27 */
28
29#ifndef _MACHINE_SMP_H_
30#define _MACHINE_SMP_H_
31
27 */
28
29#ifndef _MACHINE_SMP_H_
30#define _MACHINE_SMP_H_
31
32#include <machine/intr_machdep.h>
33
34#define CPU_INITING 1
35#define CPU_INITED 2
36#define CPU_REJECT 3
37#define CPU_STARTING 4
38#define CPU_STARTED 5
39#define CPU_BOOTSTRAPING 6
40#define CPU_BOOTSTRAPPED 7
41
42#ifndef LOCORE
43
44#define IDR_BUSY (1<<0)
45#define IDR_NACK (1<<1)
46
47#define IPI_AST PIL_AST
48#define IPI_RENDEZVOUS PIL_RENDEZVOUS
49#define IPI_STOP PIL_STOP
50
51#define IPI_RETRIES 100
52
53struct cpu_start_args {
54 u_int csa_mid;
55 u_int csa_state;
56 u_long csa_data;
57 vm_offset_t csa_va;
58};
59
60struct ipi_level_args {
61 u_int ila_count;
62 u_int ila_level;
63};
64
65struct ipi_tlb_args {
66 u_int ita_count;
67 u_long ita_tlb;
68 u_long ita_ctx;
69 u_long ita_start;
70 u_long ita_end;
71};
72#define ita_va ita_start
73
74struct pcpu;
75
76void cpu_mp_bootstrap(struct pcpu *pc);
77
78void cpu_ipi_selected(u_int cpus, u_long d0, u_long d1, u_long d2);
79void cpu_ipi_send(u_int mid, u_long d0, u_long d1, u_long d2);
80
81void ipi_selected(u_int cpus, u_int ipi);
82void ipi_all(u_int ipi);
83void ipi_all_but_self(u_int ipi);
84
85struct ipi_level_args ipi_level_args;
86struct ipi_tlb_args ipi_tlb_args;
87
88extern int mp_ncpus;
89
90extern char tl_ipi_level[];
91extern char tl_ipi_test[];
92extern char tl_ipi_tlb_context_demap[];
93extern char tl_ipi_tlb_page_demap[];
94extern char tl_ipi_tlb_range_demap[];
95
96#ifdef SMP
97
98static __inline void *
99ipi_tlb_context_demap(u_int ctx)
100{
101 struct ipi_tlb_args *ita;
102
103 if (mp_ncpus == 1)
104 return (NULL);
105 ita = &ipi_tlb_args;
106 ita->ita_count = mp_ncpus;
107 ita->ita_ctx = ctx;
108 cpu_ipi_selected(PCPU_GET(other_cpus), 0,
109 (u_long)tl_ipi_tlb_context_demap, (u_long)ita);
110 return (&ita->ita_count);
111}
112
113static __inline void *
114ipi_tlb_page_demap(u_int tlb, u_int ctx, vm_offset_t va)
115{
116 struct ipi_tlb_args *ita;
117
118 if (mp_ncpus == 1)
119 return (NULL);
120 ita = &ipi_tlb_args;
121 ita->ita_count = mp_ncpus;
122 ita->ita_tlb = tlb;
123 ita->ita_ctx = ctx;
124 ita->ita_va = va;
125 cpu_ipi_selected(PCPU_GET(other_cpus), 0,
126 (u_long)tl_ipi_tlb_page_demap, (u_long)ita);
127 return (&ita->ita_count);
128}
129
130static __inline void *
131ipi_tlb_range_demap(u_int ctx, vm_offset_t start, vm_offset_t end)
132{
133 struct ipi_tlb_args *ita;
134
135 if (mp_ncpus == 1)
136 return (NULL);
137 ita = &ipi_tlb_args;
138 ita->ita_count = mp_ncpus;
139 ita->ita_ctx = ctx;
140 ita->ita_start = start;
141 ita->ita_end = end;
142 cpu_ipi_selected(PCPU_GET(other_cpus), 0,
143 (u_long)tl_ipi_tlb_range_demap, (u_long)ita);
144 return (&ita->ita_count);
145}
146
147static __inline void
148ipi_wait(void *cookie)
149{
150 u_int *count;
151
152 if ((count = cookie) != NULL) {
153 atomic_subtract_int(count, 1);
154 while (*count != 0)
155 membar(LoadStore);
156 }
157}
158
159#else
160
161static __inline void *
162ipi_tlb_context_demap(u_int ctx)
163{
164 return (NULL);
165}
166
167static __inline void *
168ipi_tlb_page_demap(u_int tlb, u_int ctx, vm_offset_t va)
169{
170 return (NULL);
171}
172
173static __inline void *
174ipi_tlb_range_demap(u_int ctx, vm_offset_t start, vm_offset_t end)
175{
176 return (NULL);
177}
178
179static __inline void
180ipi_wait(void *cookie)
181{
182}
183
184#endif /* SMP */
185
186#endif /* !LOCORE */
187
32#endif /* !_MACHINE_SMP_H_ */
188#endif /* !_MACHINE_SMP_H_ */