diff options
Diffstat (limited to 'drivers/gpu/drm/amd/include/kgd_kfd_interface.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/kgd_kfd_interface.h | 72 |
1 files changed, 8 insertions, 64 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h index 8154d67388cc..5f3c10ebff08 100644 --- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h @@ -34,7 +34,6 @@ struct pci_dev; -#define KFD_INTERFACE_VERSION 2 #define KGD_MAX_QUEUES 128 struct kfd_dev; @@ -138,20 +137,17 @@ struct kgd2kfd_shared_resources { /* Bit n == 1 means Queue n is available for KFD */ DECLARE_BITMAP(queue_bitmap, KGD_MAX_QUEUES); - /* Doorbell assignments (SOC15 and later chips only). Only + /* SDMA doorbell assignments (SOC15 and later chips only). Only * specific doorbells are routed to each SDMA engine. Others * are routed to IH and VCN. They are not usable by the CP. - * - * Any doorbell number D that satisfies the following condition - * is reserved: (D & reserved_doorbell_mask) == reserved_doorbell_val - * - * KFD currently uses 1024 (= 0x3ff) doorbells per process. If - * doorbells 0x0e0-0x0ff and 0x2e0-0x2ff are reserved, that means - * mask would be set to 0x1e0 and val set to 0x0e0. */ - unsigned int sdma_doorbell[2][8]; - unsigned int reserved_doorbell_mask; - unsigned int reserved_doorbell_val; + uint32_t *sdma_doorbell_idx; + + /* From SOC15 onward, the doorbell index range not usable for CP + * queues. + */ + uint32_t non_cp_doorbells_start; + uint32_t non_cp_doorbells_end; /* Base address of doorbell aperture. */ phys_addr_t doorbell_physical_address; @@ -330,56 +326,4 @@ struct kfd2kgd_calls { }; -/** - * struct kgd2kfd_calls - * - * @exit: Notifies amdkfd that kgd module is unloaded - * - * @probe: Notifies amdkfd about a probe done on a device in the kgd driver. - * - * @device_init: Initialize the newly probed device (if it is a device that - * amdkfd supports) - * - * @device_exit: Notifies amdkfd about a removal of a kgd device - * - * @suspend: Notifies amdkfd about a suspend action done to a kgd device - * - * @resume: Notifies amdkfd about a resume action done to a kgd device - * - * @quiesce_mm: Quiesce all user queue access to specified MM address space - * - * @resume_mm: Resume user queue access to specified MM address space - * - * @schedule_evict_and_restore_process: Schedules work queue that will prepare - * for safe eviction of KFD BOs that belong to the specified process. - * - * @pre_reset: Notifies amdkfd that amdgpu about to reset the gpu - * - * @post_reset: Notify amdkfd that amgpu successfully reseted the gpu - * - * This structure contains function callback pointers so the kgd driver - * will notify to the amdkfd about certain status changes. - * - */ -struct kgd2kfd_calls { - void (*exit)(void); - struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev, - const struct kfd2kgd_calls *f2g); - bool (*device_init)(struct kfd_dev *kfd, - const struct kgd2kfd_shared_resources *gpu_resources); - void (*device_exit)(struct kfd_dev *kfd); - void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry); - void (*suspend)(struct kfd_dev *kfd); - int (*resume)(struct kfd_dev *kfd); - int (*quiesce_mm)(struct mm_struct *mm); - int (*resume_mm)(struct mm_struct *mm); - int (*schedule_evict_and_restore_process)(struct mm_struct *mm, - struct dma_fence *fence); - int (*pre_reset)(struct kfd_dev *kfd); - int (*post_reset)(struct kfd_dev *kfd); -}; - -int kgd2kfd_init(unsigned interface_version, - const struct kgd2kfd_calls **g2f); - #endif /* KGD_KFD_INTERFACE_H_INCLUDED */ |