xref: /titanic_51/usr/src/uts/sun4v/sys/machcpuvar.h (revision 12cc75c814f0c017004a9bbc96429911e008601b)
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 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 #ifndef	_ASM
43 
44 #include <sys/obpdefs.h>
45 #include <sys/async.h>
46 #include <sys/fm/protocol.h>
47 
48 /*
49  * CPU state ptl1_panic save.
50  */
51 typedef struct ptl1_trapregs {
52 	uint32_t	ptl1_tl;
53 	uint32_t	ptl1_tt;
54 	uint64_t	ptl1_tstate;
55 	uint64_t	ptl1_tpc;
56 	uint64_t	ptl1_tnpc;
57 } ptl1_trapregs_t;
58 
59 typedef struct ptl1_gregs {
60 	uint64_t	ptl1_gl;
61 	uint64_t	ptl1_g1;
62 	uint64_t	ptl1_g2;
63 	uint64_t	ptl1_g3;
64 	uint64_t	ptl1_g4;
65 	uint64_t	ptl1_g5;
66 	uint64_t	ptl1_g6;
67 	uint64_t	ptl1_g7;
68 } ptl1_gregs_t;
69 
70 typedef struct ptl1_regs {
71 	ptl1_trapregs_t	ptl1_trap_regs[PTL1_MAXTL];
72 	ptl1_gregs_t	ptl1_gregs[PTL1_MAXGL + 1];
73 	uint64_t	ptl1_tick;
74 	uint64_t	ptl1_dmmu_type;
75 	uint64_t	ptl1_dmmu_addr;
76 	uint64_t	ptl1_dmmu_ctx;
77 	uint64_t	ptl1_immu_type;
78 	uint64_t	ptl1_immu_addr;
79 	uint64_t	ptl1_immu_ctx;
80 	struct rwindow	ptl1_rwindow[MAXWIN];
81 	uint32_t	ptl1_softint;
82 	uint16_t	ptl1_pstate;
83 	uint8_t		ptl1_pil;
84 	uint8_t		ptl1_cwp;
85 	uint8_t		ptl1_wstate;
86 	uint8_t		ptl1_otherwin;
87 	uint8_t		ptl1_cleanwin;
88 	uint8_t		ptl1_cansave;
89 	uint8_t		ptl1_canrestore;
90 } ptl1_regs_t;
91 
92 typedef struct ptl1_state {
93 	ptl1_regs_t	ptl1_regs;
94 	uint32_t	ptl1_entry_count;
95 	uintptr_t	ptl1_stktop;
96 	ulong_t		ptl1_stk[1];
97 } ptl1_state_t;
98 
99 /*
100  * Machine specific fields of the cpu struct
101  * defined in common/sys/cpuvar.h.
102  */
103 struct	machcpu {
104 	struct machpcb	*mpcb;
105 	uint64_t	mpcb_pa;
106 	int		mutex_ready;
107 	int		in_prom;
108 	int		tl1_hdlr;
109 	char		cpu_tstat_flags;	/* tstat flags */
110 	uint16_t	divisor;	/* Estar %tick clock ratio */
111 	uint8_t		intrcnt;	/* number of back-to-back interrupts */
112 	u_longlong_t	tmp1;		/* per-cpu tmps */
113 	u_longlong_t	tmp2;		/*  used in trap processing */
114 	u_longlong_t	tmp3;
115 	u_longlong_t	tmp4;
116 
117 	label_t		*ofd[HIGH_LEVELS];	/* saved pil ofd */
118 	uintptr_t	lfd[HIGH_LEVELS];	/* saved ret PC */
119 	struct on_trap_data *otd[HIGH_LEVELS];	/* saved pil otd */
120 
121 	struct intr_vec	*intr_head[PIL_LEVELS];	/* intr queue heads per pil */
122 	struct intr_vec	*intr_tail[PIL_LEVELS];	/* intr queue tails per pil */
123 	boolean_t	poke_cpu_outstanding;
124 	/*
125 	 * The cpu module allocates a private data structure for the
126 	 * E$ data, which is needed for the specific cpu type.
127 	 */
128 	void		*cpu_private;		/* ptr to cpu private data */
129 	/*
130 	 * per-MMU ctxdom CPU data.
131 	 */
132 	uint_t		cpu_mmu_idx;
133 	struct mmu_ctx	*cpu_mmu_ctxp;
134 
135 	ptl1_state_t	ptl1_state;
136 
137 	uint64_t	pil_high_start[HIGH_LEVELS];	/* high-level intrs */
138 
139 	/*
140 	 * intrstat[][] is used to keep track of ticks used at a given pil
141 	 * level. intrstat[pil][0] is cumulative and exported via kstats.
142 	 * intrstat[pil][1] is used in intr_get_time() and is private.
143 	 * 2-dimensional array improves cache locality.
144 	 */
145 
146 	uint64_t	intrstat[PIL_MAX+1][2];
147 
148 	int		kwbuf_full;
149 	caddr_t		kwbuf_sp;
150 	struct rwindow	kwbuf;
151 
152 	caddr_t		cpu_q_va;	/* cpu intrq base VA */
153 	caddr_t		dev_q_va;	/* dev intrq base VA */
154 	uint64_t	cpu_q_base_pa;	/* cpu intrq base PA */
155 	uint64_t	cpu_q_size;
156 	uint64_t	dev_q_base_pa;	/* dev intrq base PA */
157 	uint64_t	dev_q_size;
158 	caddr_t		cpu_rq_va;	/* resumable Q base VA */
159 	caddr_t		cpu_nrq_va;	/* nonresumable Q base VA */
160 	uint64_t	cpu_rq_base_pa;	/* resumable Q base PA */
161 	uint64_t	cpu_rq_size;	/* resumable Q size */
162 	uint64_t	cpu_nrq_base_pa;	/* nonresumable Q base PA */
163 	uint64_t	cpu_nrq_size;		/* nonresumable Q size */
164 	caddr_t		mondo_data;		/* send mondo data */
165 	uint64_t	mondo_data_ra;		/* mono data pa */
166 	uint16_t	*cpu_list;		/* uint16_t [NCPU] */
167 	uint64_t	cpu_list_ra;		/* cpu list ra */
168 	id_t		cpu_ipipe;		/* cpu int exec unit id */
169 	id_t		cpu_fpu;		/* cpu fpu unit id */
170 	id_t		cpu_core;		/* cpu core id */
171 	kthread_t	*startup_thread;
172 };
173 
174 typedef	struct machcpu	machcpu_t;
175 
176 #define	cpu_startup_thread	cpu_m.startup_thread
177 #define	CPU_MMU_IDX(cp)		((cp)->cpu_m.cpu_mmu_idx)
178 #define	CPU_MMU_CTXP(cp)	((cp)->cpu_m.cpu_mmu_ctxp)
179 #define	NINTR_THREADS	(LOCK_LEVEL)	/* number of interrupt threads */
180 
181 /*
182  * Macro to access the "cpu private" data structure.
183  */
184 #define	CPU_PRIVATE(cp)		((cp)->cpu_m.cpu_private)
185 
186 /*
187  * The OpenBoot Standalone Interface supplies the kernel with
188  * implementation dependent parameters through the devinfo/property mechanism
189  */
190 #define	MAXSYSNAME	20
191 
192 /*
193  * Used to indicate busy/idle state of a cpu.
194  * msram field will be set with ECACHE_CPU_MIRROR if we are on
195  * mirrored sram module.
196  */
197 #define	ECACHE_CPU_IDLE		0x0		/* CPU is idle */
198 #define	ECACHE_CPU_BUSY		0x1		/* CPU is busy */
199 #define	ECACHE_CPU_MIRROR 	0x2		/* E$ is mirrored */
200 #define	ECACHE_CPU_NON_MIRROR	0x3		/* E$ is not mirrored */
201 
202 /*
203  * A CPU FRU FMRI string minus the unum component.
204  */
205 #define	CPU_FRU_FMRI		FM_FMRI_SCHEME_HC":///" \
206     FM_FMRI_LEGACY_HC"="
207 
208 struct cpu_node {
209 	char	name[MAXSYSNAME];
210 	char	fru_fmri[sizeof (CPU_FRU_FMRI) + UNUM_NAMLEN];
211 	int	cpuid;
212 	pnode_t	nodeid;
213 	uint64_t	clock_freq;
214 	uint_t	tick_nsec_scale;
215 	union {
216 		int	dummy;
217 	}	u_info;
218 	int	ecache_size;
219 	int	ecache_linesize;
220 	int	ecache_associativity;
221 	int	ecache_setsize;
222 	uint64_t	device_id;
223 	id_t	exec_unit_mapping;
224 	id_t	fpu_mapping;
225 };
226 
227 extern struct cpu_node cpunodes[];
228 
229 #endif	/* _ASM */
230 
231 #ifdef	__cplusplus
232 }
233 #endif
234 
235 #endif	/* _SYS_MACHCPUVAR_H */
236