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KEYMGR Device Interface Functions More...

#include <stdbool.h>
#include <stdint.h>
#include "sw/device/lib/base/macros.h"
#include "sw/device/lib/base/mmio.h"
#include "sw/device/lib/dif/dif_base.h"

Go to the source code of this file.

Data Structures
struct	dif_keymgr
	A handle to keymgr. More...

Typedefs
typedef struct dif_keymgr	dif_keymgr_t
	A handle to keymgr. More...

typedef enum dif_keymgr_alert	dif_keymgr_alert_t
	A keymgr alert type.

typedef enum dif_keymgr_irq	dif_keymgr_irq_t
	A keymgr interrupt request type.

typedef uint32_t	dif_keymgr_irq_state_snapshot_t
	A snapshot of the state of the interrupts for this IP. More...

typedef uint32_t	dif_keymgr_irq_enable_snapshot_t
	A snapshot of the enablement state of the interrupts for this IP. More...

Enumerations
enum	dif_keymgr_alert { kDifKeymgrAlertRecovOperationErr = 0, kDifKeymgrAlertFatalFaultErr = 1 }
	A keymgr alert type. More...

enum	dif_keymgr_irq { kDifKeymgrIrqOpDone = 0 }
	A keymgr interrupt request type. More...

Functions
OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_init (mmio_region_t base_addr, dif_keymgr_t *keymgr)
	Creates a new handle for a(n) keymgr peripheral. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_alert_force (const dif_keymgr_t *keymgr, dif_keymgr_alert_t alert)
	Forces a particular alert, causing it to be escalated as if the hardware had raised it. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_get_type (const dif_keymgr_t keymgr, dif_keymgr_irq_t irq, dif_irq_type_t type)
	Returns the type of a given interrupt (i.e., event or status) for this IP. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_get_state (const dif_keymgr_t keymgr, dif_keymgr_irq_state_snapshot_t snapshot)
	Returns the state of all interrupts (i.e., pending or not) for this IP. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_is_pending (const dif_keymgr_t keymgr, dif_keymgr_irq_t irq, bool is_pending)
	Returns whether a particular interrupt is currently pending. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_acknowledge_state (const dif_keymgr_t *keymgr, dif_keymgr_irq_state_snapshot_t snapshot)
	Acknowledges all interrupts that were pending at the time of the state snapshot. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_acknowledge_all (const dif_keymgr_t *keymgr)
	Acknowledges all interrupts, indicating to the hardware that all interrupts have been successfully serviced. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_acknowledge (const dif_keymgr_t *keymgr, dif_keymgr_irq_t irq)
	Acknowledges a particular interrupt, indicating to the hardware that it has been successfully serviced. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_force (const dif_keymgr_t *keymgr, dif_keymgr_irq_t irq, const bool val)
	Forces a particular interrupt, causing it to be serviced as if hardware had asserted it. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_get_enabled (const dif_keymgr_t keymgr, dif_keymgr_irq_t irq, dif_toggle_t state)
	Checks whether a particular interrupt is currently enabled or disabled. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_set_enabled (const dif_keymgr_t *keymgr, dif_keymgr_irq_t irq, dif_toggle_t state)
	Sets whether a particular interrupt is currently enabled or disabled. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_disable_all (const dif_keymgr_t keymgr, dif_keymgr_irq_enable_snapshot_t snapshot)
	Disables all interrupts, optionally snapshotting all enable states for later restoration. More...

OT_WARN_UNUSED_RESULT dif_result_t	dif_keymgr_irq_restore_all (const dif_keymgr_t keymgr, const dif_keymgr_irq_enable_snapshot_t snapshot)
	Restores interrupts from the given (enable) snapshot. More...

Detailed Description

KEYMGR Device Interface Functions

Definition in file dif_keymgr_autogen.h.

Data Structure Documentation

◆ dif_keymgr

struct dif_keymgr

A handle to keymgr.

This type should be treated as opaque by users.

Definition at line 32 of file dif_keymgr_autogen.h.

Data Fields
mmio_region_t	base_addr	The base address for the keymgr hardware registers.

Typedef Documentation

◆ dif_keymgr_irq_enable_snapshot_t

typedef uint32_t dif_keymgr_irq_enable_snapshot_t

A snapshot of the enablement state of the interrupts for this IP.

This is an opaque type, to be used with the dif_keymgr_irq_disable_all() and dif_keymgr_irq_restore_all() functions.

Definition at line 186 of file dif_keymgr_autogen.h.

◆ dif_keymgr_irq_state_snapshot_t

typedef uint32_t dif_keymgr_irq_state_snapshot_t

A snapshot of the state of the interrupts for this IP.

This is an opaque type, to be used with the dif_keymgr_irq_get_state() and dif_keymgr_irq_acknowledge_state() functions.

Definition at line 94 of file dif_keymgr_autogen.h.

◆ dif_keymgr_t

typedef struct dif_keymgr dif_keymgr_t

A handle to keymgr.

This type should be treated as opaque by users.

Enumeration Type Documentation

◆ dif_keymgr_alert

enum dif_keymgr_alert

A keymgr alert type.

Enumerator

kDifKeymgrAlertRecovOperationErr

Alert for key manager operation errors.

These errors could have been caused by software

kDifKeymgrAlertFatalFaultErr

Alert for key manager faults.

These errors cannot be caused by software

Definition at line 54 of file dif_keymgr_autogen.h.

◆ dif_keymgr_irq

enum dif_keymgr_irq

A keymgr interrupt request type.

Enumerator
kDifKeymgrIrqOpDone	Operation complete.

Definition at line 81 of file dif_keymgr_autogen.h.

Function Documentation

◆ dif_keymgr_alert_force()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_alert_force	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_alert_t	alert
	)

Forces a particular alert, causing it to be escalated as if the hardware had raised it.

Parameters

keymgr	A keymgr handle.
alert	The alert to force.

Returns: The result of the operation.

Definition at line 27 of file dif_keymgr_autogen.c.

◆ dif_keymgr_init()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_init	(	mmio_region_t	base_addr,
		dif_keymgr_t *	keymgr
	)

Creates a new handle for a(n) keymgr peripheral.

This function does not actuate the hardware.

Parameters

	base_addr	The MMIO base address of the keymgr peripheral.
[out]	keymgr	Out param for the initialized handle.

Returns: The result of the operation.

Definition at line 17 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_acknowledge()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_acknowledge	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq
	)

Acknowledges a particular interrupt, indicating to the hardware that it has been successfully serviced.

Parameters

keymgr	A keymgr handle.
irq	An interrupt request.

Returns: The result of the operation.

Definition at line 145 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_acknowledge_all()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_acknowledge_all ( const dif_keymgr_t * keymgr )

Acknowledges all interrupts, indicating to the hardware that all interrupts have been successfully serviced.

Parameters

keymgr A keymgr handle.

Returns: The result of the operation.

Definition at line 132 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_acknowledge_state()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_acknowledge_state	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_state_snapshot_t	snapshot
	)

Acknowledges all interrupts that were pending at the time of the state snapshot.

Parameters

keymgr	A keymgr handle.
snapshot	Interrupt state snapshot.

Returns: The result of the operation.

Definition at line 99 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_disable_all()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_disable_all	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_enable_snapshot_t *	snapshot
	)

Disables all interrupts, optionally snapshotting all enable states for later restoration.

Parameters

	keymgr	A keymgr handle.
[out]	snapshot	Out-param for the snapshot; may be `NULL`.

Returns: The result of the operation.

Definition at line 231 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_force()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_force	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq,
		const bool	val
	)

Forces a particular interrupt, causing it to be serviced as if hardware had asserted it.

Parameters

keymgr	A keymgr handle.
irq	An interrupt request.
val	Value to be set.

Returns: The result of the operation.

Definition at line 165 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_get_enabled()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_get_enabled	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq,
		dif_toggle_t *	state
	)

Checks whether a particular interrupt is currently enabled or disabled.

Parameters

	keymgr	A keymgr handle.
	irq	An interrupt request.
[out]	state	Out-param toggle state of the interrupt.

Returns: The result of the operation.

Definition at line 184 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_get_state()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_get_state	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_state_snapshot_t *	snapshot
	)

Returns the state of all interrupts (i.e., pending or not) for this IP.

Parameters

	keymgr	A keymgr handle.
[out]	snapshot	Out-param for interrupt state snapshot.

Returns: The result of the operation.

Definition at line 86 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_get_type()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_get_type	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq,
		dif_irq_type_t *	type
	)

Returns the type of a given interrupt (i.e., event or status) for this IP.

Parameters

	keymgr	A keymgr handle.
	irq	An interrupt request.
[out]	type	Out-param for the interrupt type.

Returns: The result of the operation.

Definition at line 73 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_is_pending()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_is_pending	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq,
		bool *	is_pending
	)

Returns whether a particular interrupt is currently pending.

Parameters

	keymgr	A keymgr handle.
	irq	An interrupt request.
[out]	is_pending	Out-param for whether the interrupt is pending.

Returns: The result of the operation.

Definition at line 112 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_restore_all()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_restore_all	(	const dif_keymgr_t *	keymgr,
		const dif_keymgr_irq_enable_snapshot_t *	snapshot
	)

Restores interrupts from the given (enable) snapshot.

Parameters

keymgr	A keymgr handle.
snapshot	A snapshot to restore from.

Returns: The result of the operation.

Definition at line 251 of file dif_keymgr_autogen.c.

◆ dif_keymgr_irq_set_enabled()

OT_WARN_UNUSED_RESULT dif_result_t dif_keymgr_irq_set_enabled	(	const dif_keymgr_t *	keymgr,
		dif_keymgr_irq_t	irq,
		dif_toggle_t	state
	)

Sets whether a particular interrupt is currently enabled or disabled.

Parameters

keymgr	A keymgr handle.
irq	An interrupt request.
state	The new toggle state for the interrupt.

Returns: The result of the operation.

Definition at line 206 of file dif_keymgr_autogen.c.

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Data Structures

Typedefs

Enumerations

Functions

Detailed Description

Data Structure Documentation

◆ dif_keymgr

Typedef Documentation

◆ dif_keymgr_irq_enable_snapshot_t

◆ dif_keymgr_irq_state_snapshot_t

◆ dif_keymgr_t

Enumeration Type Documentation

◆ dif_keymgr_alert

◆ dif_keymgr_irq

Function Documentation

◆ dif_keymgr_alert_force()

◆ dif_keymgr_init()

◆ dif_keymgr_irq_acknowledge()

◆ dif_keymgr_irq_acknowledge_all()

◆ dif_keymgr_irq_acknowledge_state()

◆ dif_keymgr_irq_disable_all()

◆ dif_keymgr_irq_force()

◆ dif_keymgr_irq_get_enabled()

◆ dif_keymgr_irq_get_state()

◆ dif_keymgr_irq_get_type()

◆ dif_keymgr_irq_is_pending()

◆ dif_keymgr_irq_restore_all()

◆ dif_keymgr_irq_set_enabled()