diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h b/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h new file mode 100644 index 000000000000..181207a637b9 --- /dev/null +++ b/drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright © 2024 Intel Corporation + */ + +#ifndef _XE_GT_SRIOV_PF_MIGRATION_H_ +#define _XE_GT_SRIOV_PF_MIGRATION_H_ + +#include <linux/types.h> + +struct xe_gt; +struct xe_sriov_packet; +enum xe_sriov_packet_type; + +/* TODO: get this information by querying GuC in the future */ +#define XE_GT_SRIOV_PF_MIGRATION_GUC_DATA_MAX_SIZE SZ_8M + +int xe_gt_sriov_pf_migration_init(struct xe_gt *gt); +int xe_gt_sriov_pf_migration_guc_save(struct xe_gt *gt, unsigned int vfid); +int xe_gt_sriov_pf_migration_guc_restore(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); +int xe_gt_sriov_pf_migration_ggtt_save(struct xe_gt *gt, unsigned int vfid); +int xe_gt_sriov_pf_migration_ggtt_restore(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); +int xe_gt_sriov_pf_migration_mmio_save(struct xe_gt *gt, unsigned int vfid); +int xe_gt_sriov_pf_migration_mmio_restore(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); +int xe_gt_sriov_pf_migration_vram_save(struct xe_gt *gt, unsigned int vfid); +int xe_gt_sriov_pf_migration_vram_restore(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); + +ssize_t xe_gt_sriov_pf_migration_size(struct xe_gt *gt, unsigned int vfid); + +bool xe_gt_sriov_pf_migration_ring_empty(struct xe_gt *gt, unsigned int vfid); +bool xe_gt_sriov_pf_migration_ring_full(struct xe_gt *gt, unsigned int vfid); +void xe_gt_sriov_pf_migration_ring_free(struct xe_gt *gt, unsigned int vfid); + +void xe_gt_sriov_pf_migration_save_init(struct xe_gt *gt, unsigned int vfid); +bool xe_gt_sriov_pf_migration_save_data_pending(struct xe_gt *gt, unsigned int vfid, + enum xe_sriov_packet_type type); +void xe_gt_sriov_pf_migration_save_data_complete(struct xe_gt *gt, unsigned int vfid, + enum xe_sriov_packet_type type); + +int xe_gt_sriov_pf_migration_save_produce(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); +struct xe_sriov_packet * +xe_gt_sriov_pf_migration_restore_consume(struct xe_gt *gt, unsigned int vfid); + +int xe_gt_sriov_pf_migration_restore_produce(struct xe_gt *gt, unsigned int vfid, + struct xe_sriov_packet *data); +struct xe_sriov_packet * +xe_gt_sriov_pf_migration_save_consume(struct xe_gt *gt, unsigned int vfid); + +#endif |