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      1 #ifndef __ASM_APICDEF_H
      2 #define __ASM_APICDEF_H
      3 
      4 /*
      5  * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
      6  *
      7  * Alan Cox <Alan.Cox (at) linux.org>, 1995.
      8  * Ingo Molnar <mingo (at) redhat.com>, 1999, 2000
      9  */
     10 
     11 #define		APIC_DEFAULT_PHYS_BASE	0xfee00000
     12 
     13 #define		APIC_ID		0x20
     14 #define		APIC_LVR	0x30
     15 #define			APIC_LVR_MASK		0xFF00FF
     16 #define			GET_APIC_VERSION(x)	((x)&0xFF)
     17 #define			GET_APIC_MAXLVT(x)	(((x)>>16)&0xFF)
     18 #define			APIC_INTEGRATED(x)	((x)&0xF0)
     19 #define			APIC_XAPIC(x)		((x) >= 0x14)
     20 #define		APIC_TASKPRI	0x80
     21 #define			APIC_TPRI_MASK		0xFF
     22 #define		APIC_ARBPRI	0x90
     23 #define			APIC_ARBPRI_MASK	0xFF
     24 #define		APIC_PROCPRI	0xA0
     25 #define		APIC_EOI	0xB0
     26 #define			APIC_EIO_ACK		0x0		/* Write this to the EOI register */
     27 #define		APIC_RRR	0xC0
     28 #define		APIC_LDR	0xD0
     29 #define			APIC_LDR_MASK		(0xFF<<24)
     30 #define			GET_APIC_LOGICAL_ID(x)	(((x)>>24)&0xFF)
     31 #define			SET_APIC_LOGICAL_ID(x)	(((x)<<24))
     32 #define			APIC_ALL_CPUS		0xFF
     33 #define		APIC_DFR	0xE0
     34 #define			APIC_DFR_CLUSTER		0x0FFFFFFFul
     35 #define			APIC_DFR_FLAT			0xFFFFFFFFul
     36 #define		APIC_SPIV	0xF0
     37 #define			APIC_SPIV_FOCUS_DISABLED	(1<<9)
     38 #define			APIC_SPIV_APIC_ENABLED		(1<<8)
     39 #define		APIC_ISR	0x100
     40 #define         APIC_ISR_NR     0x8     /* Number of 32 bit ISR registers. */
     41 #define		APIC_TMR	0x180
     42 #define 	APIC_IRR	0x200
     43 #define 	APIC_ESR	0x280
     44 #define			APIC_ESR_SEND_CS	0x00001
     45 #define			APIC_ESR_RECV_CS	0x00002
     46 #define			APIC_ESR_SEND_ACC	0x00004
     47 #define			APIC_ESR_RECV_ACC	0x00008
     48 #define			APIC_ESR_SENDILL	0x00020
     49 #define			APIC_ESR_RECVILL	0x00040
     50 #define			APIC_ESR_ILLREGA	0x00080
     51 #define		APIC_ICR	0x300
     52 #define			APIC_DEST_SELF		0x40000
     53 #define			APIC_DEST_ALLINC	0x80000
     54 #define			APIC_DEST_ALLBUT	0xC0000
     55 #define			APIC_ICR_RR_MASK	0x30000
     56 #define			APIC_ICR_RR_INVALID	0x00000
     57 #define			APIC_ICR_RR_INPROG	0x10000
     58 #define			APIC_ICR_RR_VALID	0x20000
     59 #define			APIC_INT_LEVELTRIG	0x08000
     60 #define			APIC_INT_ASSERT		0x04000
     61 #define			APIC_ICR_BUSY		0x01000
     62 #define			APIC_DEST_LOGICAL	0x00800
     63 #define			APIC_DM_FIXED		0x00000
     64 #define			APIC_DM_LOWEST		0x00100
     65 #define			APIC_DM_SMI		0x00200
     66 #define			APIC_DM_REMRD		0x00300
     67 #define			APIC_DM_NMI		0x00400
     68 #define			APIC_DM_INIT		0x00500
     69 #define			APIC_DM_STARTUP		0x00600
     70 #define			APIC_DM_EXTINT		0x00700
     71 #define			APIC_VECTOR_MASK	0x000FF
     72 #define		APIC_ICR2	0x310
     73 #define			GET_APIC_DEST_FIELD(x)	(((x)>>24)&0xFF)
     74 #define			SET_APIC_DEST_FIELD(x)	((x)<<24)
     75 #define		APIC_LVTT	0x320
     76 #define		APIC_LVTTHMR	0x330
     77 #define		APIC_LVTPC	0x340
     78 #define		APIC_LVT0	0x350
     79 #define			APIC_LVT_TIMER_BASE_MASK	(0x3<<18)
     80 #define			GET_APIC_TIMER_BASE(x)		(((x)>>18)&0x3)
     81 #define			SET_APIC_TIMER_BASE(x)		(((x)<<18))
     82 #define			APIC_TIMER_BASE_CLKIN		0x0
     83 #define			APIC_TIMER_BASE_TMBASE		0x1
     84 #define			APIC_TIMER_BASE_DIV		0x2
     85 #define			APIC_LVT_TIMER_PERIODIC		(1<<17)
     86 #define			APIC_LVT_MASKED			(1<<16)
     87 #define			APIC_LVT_LEVEL_TRIGGER		(1<<15)
     88 #define			APIC_LVT_REMOTE_IRR		(1<<14)
     89 #define			APIC_INPUT_POLARITY		(1<<13)
     90 #define			APIC_SEND_PENDING		(1<<12)
     91 #define			APIC_MODE_MASK			0x700
     92 #define			GET_APIC_DELIVERY_MODE(x)	(((x)>>8)&0x7)
     93 #define			SET_APIC_DELIVERY_MODE(x,y)	(((x)&~0x700)|((y)<<8))
     94 #define				APIC_MODE_FIXED		0x0
     95 #define				APIC_MODE_NMI		0x4
     96 #define				APIC_MODE_EXTINT	0x7
     97 #define 	APIC_LVT1	0x360
     98 #define		APIC_LVTERR	0x370
     99 #define		APIC_TMICT	0x380
    100 #define		APIC_TMCCT	0x390
    101 #define		APIC_TDCR	0x3E0
    102 #define			APIC_TDR_DIV_TMBASE	(1<<2)
    103 #define			APIC_TDR_DIV_1		0xB
    104 #define			APIC_TDR_DIV_2		0x0
    105 #define			APIC_TDR_DIV_4		0x1
    106 #define			APIC_TDR_DIV_8		0x2
    107 #define			APIC_TDR_DIV_16		0x3
    108 #define			APIC_TDR_DIV_32		0x8
    109 #define			APIC_TDR_DIV_64		0x9
    110 #define			APIC_TDR_DIV_128	0xA
    111 
    112 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
    113 
    114 #define MAX_IO_APICS 64
    115 
    116 /*
    117  * the local APIC register structure, memory mapped. Not terribly well
    118  * tested, but we might eventually use this one in the future - the
    119  * problem why we cannot use it right now is the P5 APIC, it has an
    120  * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
    121  */
    122 #define u32 unsigned int
    123 
    124 
    125 struct local_apic {
    126 
    127 /*000*/	struct { u32 __reserved[4]; } __reserved_01;
    128 
    129 /*010*/	struct { u32 __reserved[4]; } __reserved_02;
    130 
    131 /*020*/	struct { /* APIC ID Register */
    132 		u32   __reserved_1	: 24,
    133 			phys_apic_id	:  4,
    134 			__reserved_2	:  4;
    135 		u32 __reserved[3];
    136 	} id;
    137 
    138 /*030*/	const
    139 	struct { /* APIC Version Register */
    140 		u32   version		:  8,
    141 			__reserved_1	:  8,
    142 			max_lvt		:  8,
    143 			__reserved_2	:  8;
    144 		u32 __reserved[3];
    145 	} version;
    146 
    147 /*040*/	struct { u32 __reserved[4]; } __reserved_03;
    148 
    149 /*050*/	struct { u32 __reserved[4]; } __reserved_04;
    150 
    151 /*060*/	struct { u32 __reserved[4]; } __reserved_05;
    152 
    153 /*070*/	struct { u32 __reserved[4]; } __reserved_06;
    154 
    155 /*080*/	struct { /* Task Priority Register */
    156 		u32   priority	:  8,
    157 			__reserved_1	: 24;
    158 		u32 __reserved_2[3];
    159 	} tpr;
    160 
    161 /*090*/	const
    162 	struct { /* Arbitration Priority Register */
    163 		u32   priority	:  8,
    164 			__reserved_1	: 24;
    165 		u32 __reserved_2[3];
    166 	} apr;
    167 
    168 /*0A0*/	const
    169 	struct { /* Processor Priority Register */
    170 		u32   priority	:  8,
    171 			__reserved_1	: 24;
    172 		u32 __reserved_2[3];
    173 	} ppr;
    174 
    175 /*0B0*/	struct { /* End Of Interrupt Register */
    176 		u32   eoi;
    177 		u32 __reserved[3];
    178 	} eoi;
    179 
    180 /*0C0*/	struct { u32 __reserved[4]; } __reserved_07;
    181 
    182 /*0D0*/	struct { /* Logical Destination Register */
    183 		u32   __reserved_1	: 24,
    184 			logical_dest	:  8;
    185 		u32 __reserved_2[3];
    186 	} ldr;
    187 
    188 /*0E0*/	struct { /* Destination Format Register */
    189 		u32   __reserved_1	: 28,
    190 			model		:  4;
    191 		u32 __reserved_2[3];
    192 	} dfr;
    193 
    194 /*0F0*/	struct { /* Spurious Interrupt Vector Register */
    195 		u32	spurious_vector	:  8,
    196 			apic_enabled	:  1,
    197 			focus_cpu	:  1,
    198 			__reserved_2	: 22;
    199 		u32 __reserved_3[3];
    200 	} svr;
    201 
    202 /*100*/	struct { /* In Service Register */
    203 /*170*/		u32 bitfield;
    204 		u32 __reserved[3];
    205 	} isr [8];
    206 
    207 /*180*/	struct { /* Trigger Mode Register */
    208 /*1F0*/		u32 bitfield;
    209 		u32 __reserved[3];
    210 	} tmr [8];
    211 
    212 /*200*/	struct { /* Interrupt Request Register */
    213 /*270*/		u32 bitfield;
    214 		u32 __reserved[3];
    215 	} irr [8];
    216 
    217 /*280*/	union { /* Error Status Register */
    218 		struct {
    219 			u32   send_cs_error			:  1,
    220 				receive_cs_error		:  1,
    221 				send_accept_error		:  1,
    222 				receive_accept_error		:  1,
    223 				__reserved_1			:  1,
    224 				send_illegal_vector		:  1,
    225 				receive_illegal_vector		:  1,
    226 				illegal_register_address	:  1,
    227 				__reserved_2			: 24;
    228 			u32 __reserved_3[3];
    229 		} error_bits;
    230 		struct {
    231 			u32 errors;
    232 			u32 __reserved_3[3];
    233 		} all_errors;
    234 	} esr;
    235 
    236 /*290*/	struct { u32 __reserved[4]; } __reserved_08;
    237 
    238 /*2A0*/	struct { u32 __reserved[4]; } __reserved_09;
    239 
    240 /*2B0*/	struct { u32 __reserved[4]; } __reserved_10;
    241 
    242 /*2C0*/	struct { u32 __reserved[4]; } __reserved_11;
    243 
    244 /*2D0*/	struct { u32 __reserved[4]; } __reserved_12;
    245 
    246 /*2E0*/	struct { u32 __reserved[4]; } __reserved_13;
    247 
    248 /*2F0*/	struct { u32 __reserved[4]; } __reserved_14;
    249 
    250 /*300*/	struct { /* Interrupt Command Register 1 */
    251 		u32   vector			:  8,
    252 			delivery_mode		:  3,
    253 			destination_mode	:  1,
    254 			delivery_status		:  1,
    255 			__reserved_1		:  1,
    256 			level			:  1,
    257 			trigger			:  1,
    258 			__reserved_2		:  2,
    259 			shorthand		:  2,
    260 			__reserved_3		:  12;
    261 		u32 __reserved_4[3];
    262 	} icr1;
    263 
    264 /*310*/	struct { /* Interrupt Command Register 2 */
    265 		union {
    266 			u32   __reserved_1	: 24,
    267 				phys_dest	:  4,
    268 				__reserved_2	:  4;
    269 			u32   __reserved_3	: 24,
    270 				logical_dest	:  8;
    271 		} dest;
    272 		u32 __reserved_4[3];
    273 	} icr2;
    274 
    275 /*320*/	struct { /* LVT - Timer */
    276 		u32   vector		:  8,
    277 			__reserved_1	:  4,
    278 			delivery_status	:  1,
    279 			__reserved_2	:  3,
    280 			mask		:  1,
    281 			timer_mode	:  1,
    282 			__reserved_3	: 14;
    283 		u32 __reserved_4[3];
    284 	} lvt_timer;
    285 
    286 /*330*/	struct { /* LVT - Thermal Sensor */
    287 		u32  vector		:  8,
    288 			delivery_mode	:  3,
    289 			__reserved_1	:  1,
    290 			delivery_status	:  1,
    291 			__reserved_2	:  3,
    292 			mask		:  1,
    293 			__reserved_3	: 15;
    294 		u32 __reserved_4[3];
    295 	} lvt_thermal;
    296 
    297 /*340*/	struct { /* LVT - Performance Counter */
    298 		u32   vector		:  8,
    299 			delivery_mode	:  3,
    300 			__reserved_1	:  1,
    301 			delivery_status	:  1,
    302 			__reserved_2	:  3,
    303 			mask		:  1,
    304 			__reserved_3	: 15;
    305 		u32 __reserved_4[3];
    306 	} lvt_pc;
    307 
    308 /*350*/	struct { /* LVT - LINT0 */
    309 		u32   vector		:  8,
    310 			delivery_mode	:  3,
    311 			__reserved_1	:  1,
    312 			delivery_status	:  1,
    313 			polarity	:  1,
    314 			remote_irr	:  1,
    315 			trigger		:  1,
    316 			mask		:  1,
    317 			__reserved_2	: 15;
    318 		u32 __reserved_3[3];
    319 	} lvt_lint0;
    320 
    321 /*360*/	struct { /* LVT - LINT1 */
    322 		u32   vector		:  8,
    323 			delivery_mode	:  3,
    324 			__reserved_1	:  1,
    325 			delivery_status	:  1,
    326 			polarity	:  1,
    327 			remote_irr	:  1,
    328 			trigger		:  1,
    329 			mask		:  1,
    330 			__reserved_2	: 15;
    331 		u32 __reserved_3[3];
    332 	} lvt_lint1;
    333 
    334 /*370*/	struct { /* LVT - Error */
    335 		u32   vector		:  8,
    336 			__reserved_1	:  4,
    337 			delivery_status	:  1,
    338 			__reserved_2	:  3,
    339 			mask		:  1,
    340 			__reserved_3	: 15;
    341 		u32 __reserved_4[3];
    342 	} lvt_error;
    343 
    344 /*380*/	struct { /* Timer Initial Count Register */
    345 		u32   initial_count;
    346 		u32 __reserved_2[3];
    347 	} timer_icr;
    348 
    349 /*390*/	const
    350 	struct { /* Timer Current Count Register */
    351 		u32   curr_count;
    352 		u32 __reserved_2[3];
    353 	} timer_ccr;
    354 
    355 /*3A0*/	struct { u32 __reserved[4]; } __reserved_16;
    356 
    357 /*3B0*/	struct { u32 __reserved[4]; } __reserved_17;
    358 
    359 /*3C0*/	struct { u32 __reserved[4]; } __reserved_18;
    360 
    361 /*3D0*/	struct { u32 __reserved[4]; } __reserved_19;
    362 
    363 /*3E0*/	struct { /* Timer Divide Configuration Register */
    364 		u32   divisor		:  4,
    365 			__reserved_1	: 28;
    366 		u32 __reserved_2[3];
    367 	} timer_dcr;
    368 
    369 /*3F0*/	struct { u32 __reserved[4]; } __reserved_20;
    370 
    371 } __attribute__ ((packed));
    372 
    373 #undef u32
    374 
    375 #endif
    376