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apic: add APIC structures and data types
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Signed-off-by: Pawel Wieczorkiewicz <[email protected]>
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@wipawel
wipawel committed Nov 10, 2020
1 parent 19c8bfe commit 83d4557
Showing 1 changed file with 329 additions and 0 deletions.
329 changes: 329 additions & 0 deletions include/arch/x86/apic.h
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Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,335 @@ enum apic_mode {
};
typedef enum apic_mode apic_mode_t;

union apic_base {
struct {
/* clang-format off */
uint64_t rsvd0 : 8,
bsp : 1,
rsvd1 : 1,
extd : 1,
en : 1,
base : 24,
rsvd2 : 28;
/* clang-format on */
} __packed;
uint64_t reg;
};
typedef union apic_base apic_base_t;

union apic_spiv {
struct {
/* clang-format off */
uint32_t vector : 8,
apic_enable : 1,
focus_proc_check : 1,
rsvd0 : 2,
eoi_brdcast_supp : 1,
rsvd1 : 19;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_spiv apic_spiv_t;

union apic_id {
struct {
/* clang-format off */
uint32_t rsvd0 : 24,
old_xapic_id : 4,
rsvd1 : 4;
/* clang-format on */
} __packed;
struct {
/* clang-format off */
uint32_t rsvd2 : 24,
xapic_id : 8;
/* clang-format on */
} __packed;
uint32_t x2apic_id;
uint32_t reg;
};
typedef union apic_id apic_id_t;

union apic_version {
struct {
/* clang-format off */
uint32_t version : 8,
rsvd0 : 8,
max_lvt_entry : 8,
eoi_brdcast_supp : 1,
rsvd1 : 7;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_version apic_version_t;

enum apic_trigger_mode {
APIC_TRIGGER_MODE_EDGE = 0x00,
APIC_TRIGGER_MODE_LEVEL = 0x01,
};
typedef enum apic_trigger_mode apic_trigger_mode_t;

enum apic_deliv_status {
APIC_DELIV_STATUS_IDLE = 0x00,
APIC_DELIV_STATUS_SEND_PENDING = 0x01,
};
typedef enum apic_deliv_status apic_deliv_status_t;

enum apic_lvt_mask {
APIC_LVT_UNMASKED = 0x00,
APIC_LVT_MASKED = 0x01,
};
typedef enum apic_lvt_mask apic_lvt_mask_t;

enum apic_lvt_deliv_mode {
APIC_LVT_DELIV_MODE_FIXED = 0x00,
APIC_LVT_DELIV_MODE_SMI = 0x02,
APIC_LVT_DELIV_MODE_NMI = 0x04,
APIC_LVT_DELIV_MODE_INIT = 0x05,
APIC_LVT_DELIV_MODE_EXTINT = 0x07,
};
typedef enum apic_lvt_deliv_mode apic_lvt_deliv_mode_t;

enum apic_lvt_timer_mode {
APIC_LVT_TIMER_ONE_SHOT = 0x00,
APIC_LVT_TIMER_PERIODIC = 0x01,
APIC_LVT_TIMER_TSC_DEADLINE = 0x10,
};
typedef enum apic_lvt_timer_mode apic_lvt_timer_mode_t;

union apic_lvt_timer {
struct {
/* clang-format off */
uint32_t vector : 8,
rsvd0 : 4,
deliv_status : 1,
rsvd1 : 3,
mask : 1,
timer_mode : 2,
rsvd2 : 13;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_lvt_timer apic_lvt_timer_t;

union apic_lvt_common {
struct {
/* clang-format off */
uint32_t vector : 8,
deliv_mode : 3,
rsvd0 : 1,
deliv_status : 1,
rsvd1 : 3,
mask : 1,
rsvd2 : 15;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_lvt_common apic_lvt_cmci_t;
typedef union apic_lvt_common apic_lvt_pm_counters_t;
typedef union apic_lvt_common apic_lvt_thermal_sensor_t;

union apic_lvt_lint {
struct {
/* clang-format off */
uint32_t vector : 8,
deliv_mode : 3,
rsvd0 : 1,
deliv_status : 1,
polarity : 1,
remote_irr : 1,
trigger_mode : 1,
mask : 1,
rsvd2 : 15;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_lvt_lint apic_lvt_lint_t;

union apic_lvt_error {
struct {
/* clang-format off */
uint32_t vector : 8,
rsvd0 : 4,
deliv_status : 1,
rsvd1 : 3,
mask : 1,
rsvd2 : 15;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_lvt_error apic_lvt_error_t;

union apic_esr {
struct {
/* clang-format off */
uint32_t send_checksum_err : 1,
recv_checksum_err : 1,
send_accept_err : 1,
recv_accept_err : 1,
redirectable_ipi : 1,
send_ill_vector : 1,
recv_ill_vector : 1,
ill_reg_address : 1,
rsvd0 : 24;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_esr apic_esr_t;

enum apic_timer_divide {
APIC_TIMER_DIVIDE_BY_2 = 0x00,
APIC_TIMER_DIVIDE_BY_4 = 0x08,
APIC_TIMER_DIVIDE_BY_8 = 0x02,
APIC_TIMER_DIVIDE_BY_16 = 0x0a,
APIC_TIMER_DIVIDE_BY_32 = 0x01,
APIC_TIMER_DIVIDE_BY_64 = 0x09,
APIC_TIMER_DIVIDE_BY_128 = 0x03,
APIC_TIMER_DIVIDE_BY_1 = 0x0b,
};
typedef enum apic_timer_divide apic_timer_divide_t;

union apic_timer_div_config {
struct {
/* clang-format off */
uint32_t divide_value : 4,
rsvd0 : 28;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_timer_div_config apic_timer_div_config_t;

enum apic_deliv_mode {
APIC_DELIV_MODE_FIXED = 0x00,
APIC_DELIV_MODE_LOWPRI = 0x01,
APIC_DELIV_MODE_SMI = 0x02,
APIC_DELIV_MODE_NMI = 0x04,
APIC_DELIV_MODE_INIT = 0x05,
APIC_DELIV_MODE_SIPI = 0x06,
};
typedef enum apic_deliv_mode apic_deliv_mode_t;

enum apic_dest_mode {
APIC_DEST_MODE_PHYSICAL = 0x00,
APIC_DEST_MODE_LOGICAL = 0x01,
};
typedef enum apic_dest_mode apic_dest_mode_t;

enum apic_icr_level {
APIC_ICR_LEVEL_DEASSERT = 0x00,
APIC_ICR_LEVEL_ASSERT = 0x01,
};
typedef enum apic_icr_level apic_icr_level_t;

enum apic_dest_shorthand {
APIC_DEST_SHORTHAND_NONE = 0x00,
APIC_DEST_SHORTHAND_SELF = 0x01,
APIC_DEST_SHORTHAND_ALL = 0x10,
APIC_DEST_SHORTHAND_OTHERS = 0x11,
};
typedef enum apic_dest_shorthand apic_dest_shorthand_t;

union apic_icr {
struct {
/* clang-format off */
uint64_t vector : 8,
deliv_mode : 3,
dest_mode : 1,
deliv_status : 1,
rsvd0 : 1,
level : 1,
trigger_mode : 1,
rsvd1 : 2,
dest_shorthand : 2,
rsvd2 : 36,
xapic_dest : 8;
/* clang-format on */
} __packed;
struct {
uint32_t rsvd3;
uint32_t x2apic_dest;
} __packed;
struct {
uint32_t icr0;
uint32_t icr1;
} __packed;
uint64_t reg;
};
typedef union apic_icr apic_icr_t;

union apic_ldr {
struct {
/* clang-format off */
uint32_t rsvd0 : 24,
xapic_id : 8;
/* clang-format on */
} __packed;
uint32_t x2apic_id;
uint32_t reg;
};
typedef union apic_ldr apic_ldr_t;

union apic_dfr {
struct {
/* clang-format off */
uint32_t rsvd0 : 28,
model : 4;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_dfr apic_dfr_t;

union apic_priority_class {
struct {
/* clang-format off */
uint32_t sub_class : 4,
class : 4,
rsvd0 : 24;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_priority_class apic_apr_t;
typedef union apic_priority_class apic_tpr_t;
typedef union apic_priority_class apic_ppr_t;

union apic_request_register {
struct {
uint16_t rsvd0;
uint8_t bytes[30];
} __packed;
struct {
uint64_t rsvd1 : 16, qword0 : 48;
uint64_t qword1;
uint64_t qword2;
uint64_t qword3;
} __packed;
uint64_t reg[4];
};
typedef union apic_request_register apic_irr_t;
typedef union apic_request_register apic_isr_t;
typedef union apic_request_register apic_tmr_t;

union apic_self_ipi {
struct {
/* clang-format off */
uint32_t vector : 8,
rsvd0 : 24;
/* clang-format on */
} __packed;
uint32_t reg;
};
typedef union apic_self_ipi apic_self_ipi_t;

/* External declarations */

extern apic_mode_t apic_mode;
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