/* * Copyright 2022 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. *
*/
/** * struct amdgpu_mux_entry - the entry recording software rings copying information. * @ring: the pointer to the software ring. * @start_ptr_in_hw_ring: last start location copied to in the hardware ring. * @end_ptr_in_hw_ring: last end location copied to in the hardware ring. * @sw_cptr: the position of the copy pointer in the sw ring. * @sw_rptr: the read pointer in software ring. * @sw_wptr: the write pointer in software ring. * @list: list head for amdgpu_mux_chunk
*/ struct amdgpu_mux_entry { struct amdgpu_ring *ring;
u64 start_ptr_in_hw_ring;
u64 end_ptr_in_hw_ring;
u64 sw_cptr;
u64 sw_rptr;
u64 sw_wptr; struct list_head list;
};
struct amdgpu_mux_entry *ring_entry; unsignedint num_ring_entries; unsignedint ring_entry_size; /*the lock for copy data from different software rings*/
spinlock_t lock; bool s_resubmit;
uint32_t seqno_to_resubmit;
u64 wptr_resubmit; struct timer_list resubmit_timer;
bool pending_trailing_fence_signaled;
};
/** * struct amdgpu_mux_chunk - save the location of indirect buffer's package on softare rings. * @entry: the list entry. * @sync_seq: the fence seqno related with the saved IB. * @start:- start location on the software ring. * @end:- end location on the software ring. * @control_offset:- the PRE_RESUME bit position used for resubmission. * @de_offset:- the anchor in write_data for de meta of resubmission. * @ce_offset:- the anchor in write_data for ce meta of resubmission.
*/ struct amdgpu_mux_chunk { struct list_head entry;
uint32_t sync_seq;
u64 start;
u64 end;
u64 cntl_offset;
u64 de_offset;
u64 ce_offset;
};
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.