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11#ifndef _ASM_IA64_MCA_H
12#define _ASM_IA64_MCA_H
13
14#if !defined(__ASSEMBLY__)
15
16#include <linux/interrupt.h>
17#include <linux/types.h>
18
19#include <asm/param.h>
20#include <asm/sal.h>
21#include <asm/processor.h>
22#include <asm/mca_asm.h>
23
24#define IA64_MCA_RENDEZ_TIMEOUT (20 * 1000)
25
26typedef struct ia64_fptr {
27 unsigned long fp;
28 unsigned long gp;
29} ia64_fptr_t;
30
31typedef union cmcv_reg_u {
32 u64 cmcv_regval;
33 struct {
34 u64 cmcr_vector : 8;
35 u64 cmcr_reserved1 : 4;
36 u64 cmcr_ignored1 : 1;
37 u64 cmcr_reserved2 : 3;
38 u64 cmcr_mask : 1;
39 u64 cmcr_ignored2 : 47;
40 } cmcv_reg_s;
41
42} cmcv_reg_t;
43
44#define cmcv_mask cmcv_reg_s.cmcr_mask
45#define cmcv_vector cmcv_reg_s.cmcr_vector
46
47enum {
48 IA64_MCA_RENDEZ_CHECKIN_NOTDONE = 0x0,
49 IA64_MCA_RENDEZ_CHECKIN_DONE = 0x1,
50 IA64_MCA_RENDEZ_CHECKIN_INIT = 0x2,
51 IA64_MCA_RENDEZ_CHECKIN_CONCURRENT_MCA = 0x3,
52};
53
54
55typedef struct ia64_mc_info_s {
56 u64 imi_mca_handler;
57 size_t imi_mca_handler_size;
58 u64 imi_monarch_init_handler;
59 size_t imi_monarch_init_handler_size;
60 u64 imi_slave_init_handler;
61 size_t imi_slave_init_handler_size;
62 u8 imi_rendez_checkin[NR_CPUS];
63
64} ia64_mc_info_t;
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70
71
72struct ia64_sal_os_state {
73
74
75 unsigned long os_gp;
76 unsigned long pal_proc;
77 unsigned long sal_proc;
78 unsigned long rv_rc;
79 unsigned long proc_state_param;
80 unsigned long monarch;
81
82
83 unsigned long sal_ra;
84 unsigned long sal_gp;
85 pal_min_state_area_t *pal_min_state;
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89
90 unsigned long prev_IA64_KR_CURRENT;
91 unsigned long prev_IA64_KR_CURRENT_STACK;
92 struct task_struct *prev_task;
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97
98 unsigned long isr;
99 unsigned long ifa;
100 unsigned long itir;
101 unsigned long iipa;
102 unsigned long iim;
103 unsigned long iha;
104
105
106 unsigned long os_status;
107 unsigned long context;
108
109};
110
111enum {
112 IA64_MCA_CORRECTED = 0x0,
113 IA64_MCA_WARM_BOOT = -1,
114 IA64_MCA_COLD_BOOT = -2,
115 IA64_MCA_HALT = -3
116};
117
118enum {
119 IA64_INIT_RESUME = 0x0,
120 IA64_INIT_WARM_BOOT = -1,
121};
122
123enum {
124 IA64_MCA_SAME_CONTEXT = 0x0,
125 IA64_MCA_NEW_CONTEXT = -1
126};
127
128
129
130struct ia64_mca_cpu {
131 u64 mca_stack[KERNEL_STACK_SIZE/8];
132 u64 init_stack[KERNEL_STACK_SIZE/8];
133};
134
135
136extern unsigned long __per_cpu_mca[NR_CPUS];
137
138extern int cpe_vector;
139extern int ia64_cpe_irq;
140extern void ia64_mca_init(void);
141extern void ia64_mca_cpu_init(void *);
142extern void ia64_os_mca_dispatch(void);
143extern void ia64_os_mca_dispatch_end(void);
144extern void ia64_mca_ucmc_handler(struct pt_regs *, struct ia64_sal_os_state *);
145extern void ia64_init_handler(struct pt_regs *,
146 struct switch_stack *,
147 struct ia64_sal_os_state *);
148extern void ia64_os_init_on_kdump(void);
149extern void ia64_monarch_init_handler(void);
150extern void ia64_slave_init_handler(void);
151extern void ia64_mca_cmc_vector_setup(void);
152extern int ia64_reg_MCA_extension(int (*fn)(void *, struct ia64_sal_os_state *));
153extern void ia64_unreg_MCA_extension(void);
154extern unsigned long ia64_get_rnat(unsigned long *);
155extern void ia64_set_psr_mc(void);
156extern void ia64_mca_printk(const char * fmt, ...)
157 __attribute__ ((format (printf, 1, 2)));
158
159struct ia64_mca_notify_die {
160 struct ia64_sal_os_state *sos;
161 int *monarch_cpu;
162 int *data;
163};
164
165DECLARE_PER_CPU(u64, ia64_mca_pal_base);
166
167#else
168
169#define IA64_MCA_CORRECTED 0x0
170#define IA64_MCA_WARM_BOOT -1
171#define IA64_MCA_COLD_BOOT -2
172#define IA64_MCA_HALT -3
173
174#define IA64_INIT_RESUME 0x0
175#define IA64_INIT_WARM_BOOT -1
176
177#define IA64_MCA_SAME_CONTEXT 0x0
178#define IA64_MCA_NEW_CONTEXT -1
179
180#endif
181#endif
182