xref: /titanic_51/usr/src/uts/sun4v/sys/machcpuvar.h (revision 651c0131ccc65381cbda174bee44a4fd7a518d6b)
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_MACHCPUVAR_H
27 #define	_SYS_MACHCPUVAR_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #include <sys/intr.h>
32 #include <sys/clock.h>
33 #include <sys/machparam.h>
34 #include <sys/machpcb.h>
35 #include <sys/privregs.h>
36 #include <sys/machlock.h>
37 #include <sys/async.h>
38 #include <sys/error.h>
39 
40 #ifdef	__cplusplus
41 extern "C" {
42 #endif
43 
44 #ifndef	_ASM
45 
46 #include <sys/obpdefs.h>
47 #include <sys/async.h>
48 #include <sys/fm/protocol.h>
49 
50 /*
51  * CPU state ptl1_panic save.
52  */
53 typedef struct ptl1_trapregs {
54 	uint32_t	ptl1_tl;
55 	uint32_t	ptl1_tt;
56 	uint64_t	ptl1_tstate;
57 	uint64_t	ptl1_tpc;
58 	uint64_t	ptl1_tnpc;
59 } ptl1_trapregs_t;
60 
61 typedef struct ptl1_gregs {
62 	uint64_t	ptl1_gl;
63 	uint64_t	ptl1_g1;
64 	uint64_t	ptl1_g2;
65 	uint64_t	ptl1_g3;
66 	uint64_t	ptl1_g4;
67 	uint64_t	ptl1_g5;
68 	uint64_t	ptl1_g6;
69 	uint64_t	ptl1_g7;
70 } ptl1_gregs_t;
71 
72 typedef struct ptl1_regs {
73 	ptl1_trapregs_t	ptl1_trap_regs[PTL1_MAXTL];
74 	ptl1_gregs_t	ptl1_gregs[PTL1_MAXGL + 1];
75 	uint64_t	ptl1_tick;
76 	uint64_t	ptl1_dmmu_type;
77 	uint64_t	ptl1_dmmu_addr;
78 	uint64_t	ptl1_dmmu_ctx;
79 	uint64_t	ptl1_immu_type;
80 	uint64_t	ptl1_immu_addr;
81 	uint64_t	ptl1_immu_ctx;
82 	struct rwindow	ptl1_rwindow[MAXWIN];
83 	uint32_t	ptl1_softint;
84 	uint16_t	ptl1_pstate;
85 	uint8_t		ptl1_pil;
86 	uint8_t		ptl1_cwp;
87 	uint8_t		ptl1_wstate;
88 	uint8_t		ptl1_otherwin;
89 	uint8_t		ptl1_cleanwin;
90 	uint8_t		ptl1_cansave;
91 	uint8_t		ptl1_canrestore;
92 } ptl1_regs_t;
93 
94 typedef struct ptl1_state {
95 	ptl1_regs_t	ptl1_regs;
96 	uint32_t	ptl1_entry_count;
97 	uintptr_t	ptl1_stktop;
98 	ulong_t		ptl1_stk[1];
99 } ptl1_state_t;
100 
101 /*
102  * Machine specific fields of the cpu struct
103  * defined in common/sys/cpuvar.h.
104  */
105 struct	machcpu {
106 	struct machpcb	*mpcb;
107 	uint64_t	mpcb_pa;
108 	int		mutex_ready;
109 	int		in_prom;
110 	int		tl1_hdlr;
111 	char		cpu_tstat_flags;	/* tstat flags */
112 	uint16_t	divisor;	/* Estar %tick clock ratio */
113 	uint8_t		intrcnt;	/* number of back-to-back interrupts */
114 	u_longlong_t	tmp1;		/* per-cpu tmps */
115 	u_longlong_t	tmp2;		/*  used in trap processing */
116 	u_longlong_t	tmp3;
117 	u_longlong_t	tmp4;
118 
119 	label_t		*ofd[HIGH_LEVELS];	/* saved pil ofd */
120 	uintptr_t	lfd[HIGH_LEVELS];	/* saved ret PC */
121 	struct on_trap_data *otd[HIGH_LEVELS];	/* saved pil otd */
122 
123 	struct intr_vec	*intr_head[PIL_LEVELS];	/* intr queue heads per pil */
124 	struct intr_vec	*intr_tail[PIL_LEVELS];	/* intr queue tails per pil */
125 	boolean_t	poke_cpu_outstanding;
126 	/*
127 	 * The cpu module allocates a private data structure for the
128 	 * E$ data, which is needed for the specific cpu type.
129 	 */
130 	void		*cpu_private;		/* ptr to cpu private data */
131 	/*
132 	 * per-MMU ctxdom CPU data.
133 	 */
134 	uint_t		cpu_mmu_idx;
135 	struct mmu_ctx	*cpu_mmu_ctxp;
136 
137 	ptl1_state_t	ptl1_state;
138 
139 	uint64_t	pil_high_start[HIGH_LEVELS];	/* high-level intrs */
140 
141 	/*
142 	 * intrstat[][] is used to keep track of ticks used at a given pil
143 	 * level. intrstat[pil][0] is cumulative and exported via kstats.
144 	 * intrstat[pil][1] is used in intr_get_time() and is private.
145 	 * 2-dimensional array improves cache locality.
146 	 */
147 
148 	uint64_t	intrstat[PIL_MAX+1][2];
149 
150 	int		kwbuf_full;
151 	caddr_t		kwbuf_sp;
152 	struct rwindow	kwbuf;
153 
154 	caddr_t		cpu_q_va;	/* cpu intrq base VA */
155 	caddr_t		dev_q_va;	/* dev intrq base VA */
156 	uint64_t	cpu_q_base_pa;	/* cpu intrq base PA */
157 	uint64_t	cpu_q_size;
158 	uint64_t	dev_q_base_pa;	/* dev intrq base PA */
159 	uint64_t	dev_q_size;
160 	caddr_t		cpu_rq_va;	/* resumable Q base VA */
161 	caddr_t		cpu_nrq_va;	/* nonresumable Q base VA */
162 	uint64_t	cpu_rq_base_pa;	/* resumable Q base PA */
163 	uint64_t	cpu_rq_size;	/* resumable Q size */
164 	uint64_t	cpu_nrq_base_pa;	/* nonresumable Q base PA */
165 	uint64_t	cpu_nrq_size;		/* nonresumable Q size */
166 	errh_er_t	*cpu_rq_lastre;		/* most recent RE */
167 	errh_er_t	*cpu_nrq_lastnre;	/* most recent NRE */
168 	caddr_t		mondo_data;		/* send mondo data */
169 	uint64_t	mondo_data_ra;		/* mono data pa */
170 	uint16_t	*cpu_list;		/* uint16_t [NCPU] */
171 	uint64_t	cpu_list_ra;		/* cpu list ra */
172 	id_t		cpu_ipipe;		/* cpu int exec unit id */
173 	id_t		cpu_fpu;		/* cpu fpu unit id */
174 	id_t		cpu_core;		/* cpu core id */
175 	kthread_t	*startup_thread;
176 };
177 
178 typedef	struct machcpu	machcpu_t;
179 
180 #define	cpu_startup_thread	cpu_m.startup_thread
181 #define	CPU_MMU_IDX(cp)		((cp)->cpu_m.cpu_mmu_idx)
182 #define	CPU_MMU_CTXP(cp)	((cp)->cpu_m.cpu_mmu_ctxp)
183 #define	NINTR_THREADS	(LOCK_LEVEL)	/* number of interrupt threads */
184 
185 /*
186  * Macro to access the "cpu private" data structure.
187  */
188 #define	CPU_PRIVATE(cp)		((cp)->cpu_m.cpu_private)
189 
190 /*
191  * The OpenBoot Standalone Interface supplies the kernel with
192  * implementation dependent parameters through the devinfo/property mechanism
193  */
194 #define	MAXSYSNAME	20
195 
196 /*
197  * Used to indicate busy/idle state of a cpu.
198  * msram field will be set with ECACHE_CPU_MIRROR if we are on
199  * mirrored sram module.
200  */
201 #define	ECACHE_CPU_IDLE		0x0		/* CPU is idle */
202 #define	ECACHE_CPU_BUSY		0x1		/* CPU is busy */
203 #define	ECACHE_CPU_MIRROR 	0x2		/* E$ is mirrored */
204 #define	ECACHE_CPU_NON_MIRROR	0x3		/* E$ is not mirrored */
205 
206 /*
207  * A CPU FRU FMRI string minus the unum component.
208  */
209 #define	CPU_FRU_FMRI		FM_FMRI_SCHEME_HC":///" \
210     FM_FMRI_LEGACY_HC"="
211 
212 struct cpu_node {
213 	char	name[MAXSYSNAME];
214 	char	fru_fmri[sizeof (CPU_FRU_FMRI) + UNUM_NAMLEN];
215 	int	cpuid;
216 	pnode_t	nodeid;
217 	uint64_t	clock_freq;
218 	uint_t	tick_nsec_scale;
219 	union {
220 		int	dummy;
221 	}	u_info;
222 	int	ecache_size;
223 	int	ecache_linesize;
224 	int	ecache_associativity;
225 	int	ecache_setsize;
226 	uint64_t	device_id;
227 	id_t	exec_unit_mapping;
228 	id_t	fpu_mapping;
229 };
230 
231 extern struct cpu_node cpunodes[];
232 
233 #endif	/* _ASM */
234 
235 #ifdef	__cplusplus
236 }
237 #endif
238 
239 #endif	/* _SYS_MACHCPUVAR_H */
240