drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.h
Extension
.h
Size
2570 bytes
Lines
77
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef __MXGPU_AI_H__
#define __MXGPU_AI_H__

#define AI_MAILBOX_POLL_ACK_TIMEDOUT	500
#define AI_MAILBOX_POLL_MSG_TIMEDOUT	6000
#define AI_MAILBOX_POLL_FLR_TIMEDOUT	10000
#define AI_MAILBOX_POLL_MSG_REP_MAX	11

enum idh_request {
	IDH_REQ_GPU_INIT_ACCESS = 1,
	IDH_REL_GPU_INIT_ACCESS,
	IDH_REQ_GPU_FINI_ACCESS,
	IDH_REL_GPU_FINI_ACCESS,
	IDH_REQ_GPU_RESET_ACCESS,
	IDH_REQ_GPU_INIT_DATA,

	IDH_LOG_VF_ERROR       = 200,
	IDH_READY_TO_RESET 	= 201,
	IDH_RAS_POISON  = 202,
	IDH_REQ_RAS_BAD_PAGES = 205,
};

enum idh_event {
	IDH_CLR_MSG_BUF	= 0,
	IDH_READY_TO_ACCESS_GPU,
	IDH_FLR_NOTIFICATION,
	IDH_FLR_NOTIFICATION_CMPL,
	IDH_SUCCESS,
	IDH_FAIL,
	IDH_QUERY_ALIVE,
	IDH_REQ_GPU_INIT_DATA_READY,
	IDH_RAS_POISON_READY,
	IDH_PF_SOFT_FLR_NOTIFICATION,
	IDH_RAS_ERROR_DETECTED,
	IDH_RAS_BAD_PAGES_READY = 15,
	IDH_RAS_BAD_PAGES_NOTIFICATION = 16,
	IDH_UNRECOV_ERR_NOTIFICATION = 17,
	IDH_TEXT_MESSAGE = 255,
};

extern const struct amdgpu_virt_ops xgpu_ai_virt_ops;

void xgpu_ai_mailbox_set_irq_funcs(struct amdgpu_device *adev);
int xgpu_ai_mailbox_add_irq_id(struct amdgpu_device *adev);
int xgpu_ai_mailbox_get_irq(struct amdgpu_device *adev);
void xgpu_ai_mailbox_put_irq(struct amdgpu_device *adev);

#define AI_MAIBOX_CONTROL_TRN_OFFSET_BYTE \
	(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_MAILBOX_CONTROL) * 4)
#define AI_MAIBOX_CONTROL_RCV_OFFSET_BYTE \
	(SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_MAILBOX_CONTROL) * 4 + 1)

#endif

Annotation

Implementation Notes