| /* |
| * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program; if not, write to the Free Software Foundation, Inc., 59 |
| * Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| * |
| * The full GNU General Public License is included in this distribution in the |
| * file called COPYING. |
| */ |
| #ifndef _IOAT_HW_H_ |
| #define _IOAT_HW_H_ |
| |
| /* PCI Configuration Space Values */ |
| #define IOAT_PCI_VID 0x8086 |
| #define IOAT_MMIO_BAR 0 |
| |
| /* CB device ID's */ |
| #define IOAT_PCI_DID_5000 0x1A38 |
| #define IOAT_PCI_DID_CNB 0x360B |
| #define IOAT_PCI_DID_SCNB 0x65FF |
| #define IOAT_PCI_DID_SNB 0x402F |
| |
| #define IOAT_PCI_RID 0x00 |
| #define IOAT_PCI_SVID 0x8086 |
| #define IOAT_PCI_SID 0x8086 |
| #define IOAT_VER_1_2 0x12 /* Version 1.2 */ |
| #define IOAT_VER_2_0 0x20 /* Version 2.0 */ |
| #define IOAT_VER_3_0 0x30 /* Version 3.0 */ |
| #define IOAT_VER_3_2 0x32 /* Version 3.2 */ |
| |
| int system_has_dca_enabled(struct pci_dev *pdev); |
| |
| struct ioat_dma_descriptor { |
| uint32_t size; |
| union { |
| uint32_t ctl; |
| struct { |
| unsigned int int_en:1; |
| unsigned int src_snoop_dis:1; |
| unsigned int dest_snoop_dis:1; |
| unsigned int compl_write:1; |
| unsigned int fence:1; |
| unsigned int null:1; |
| unsigned int src_brk:1; |
| unsigned int dest_brk:1; |
| unsigned int bundle:1; |
| unsigned int dest_dca:1; |
| unsigned int hint:1; |
| unsigned int rsvd2:13; |
| #define IOAT_OP_COPY 0x00 |
| unsigned int op:8; |
| } ctl_f; |
| }; |
| uint64_t src_addr; |
| uint64_t dst_addr; |
| uint64_t next; |
| uint64_t rsv1; |
| uint64_t rsv2; |
| /* store some driver data in an unused portion of the descriptor */ |
| union { |
| uint64_t user1; |
| uint64_t tx_cnt; |
| }; |
| uint64_t user2; |
| }; |
| |
| struct ioat_fill_descriptor { |
| uint32_t size; |
| union { |
| uint32_t ctl; |
| struct { |
| unsigned int int_en:1; |
| unsigned int rsvd:1; |
| unsigned int dest_snoop_dis:1; |
| unsigned int compl_write:1; |
| unsigned int fence:1; |
| unsigned int rsvd2:2; |
| unsigned int dest_brk:1; |
| unsigned int bundle:1; |
| unsigned int rsvd4:15; |
| #define IOAT_OP_FILL 0x01 |
| unsigned int op:8; |
| } ctl_f; |
| }; |
| uint64_t src_data; |
| uint64_t dst_addr; |
| uint64_t next; |
| uint64_t rsv1; |
| uint64_t next_dst_addr; |
| uint64_t user1; |
| uint64_t user2; |
| }; |
| |
| struct ioat_xor_descriptor { |
| uint32_t size; |
| union { |
| uint32_t ctl; |
| struct { |
| unsigned int int_en:1; |
| unsigned int src_snoop_dis:1; |
| unsigned int dest_snoop_dis:1; |
| unsigned int compl_write:1; |
| unsigned int fence:1; |
| unsigned int src_cnt:3; |
| unsigned int bundle:1; |
| unsigned int dest_dca:1; |
| unsigned int hint:1; |
| unsigned int rsvd:13; |
| #define IOAT_OP_XOR 0x87 |
| #define IOAT_OP_XOR_VAL 0x88 |
| unsigned int op:8; |
| } ctl_f; |
| }; |
| uint64_t src_addr; |
| uint64_t dst_addr; |
| uint64_t next; |
| uint64_t src_addr2; |
| uint64_t src_addr3; |
| uint64_t src_addr4; |
| uint64_t src_addr5; |
| }; |
| |
| struct ioat_xor_ext_descriptor { |
| uint64_t src_addr6; |
| uint64_t src_addr7; |
| uint64_t src_addr8; |
| uint64_t next; |
| uint64_t rsvd[4]; |
| }; |
| |
| struct ioat_pq_descriptor { |
| uint32_t size; |
| union { |
| uint32_t ctl; |
| struct { |
| unsigned int int_en:1; |
| unsigned int src_snoop_dis:1; |
| unsigned int dest_snoop_dis:1; |
| unsigned int compl_write:1; |
| unsigned int fence:1; |
| unsigned int src_cnt:3; |
| unsigned int bundle:1; |
| unsigned int dest_dca:1; |
| unsigned int hint:1; |
| unsigned int p_disable:1; |
| unsigned int q_disable:1; |
| unsigned int rsvd:11; |
| #define IOAT_OP_PQ 0x89 |
| #define IOAT_OP_PQ_VAL 0x8a |
| unsigned int op:8; |
| } ctl_f; |
| }; |
| uint64_t src_addr; |
| uint64_t p_addr; |
| uint64_t next; |
| uint64_t src_addr2; |
| uint64_t src_addr3; |
| uint8_t coef[8]; |
| uint64_t q_addr; |
| }; |
| |
| struct ioat_pq_ext_descriptor { |
| uint64_t src_addr4; |
| uint64_t src_addr5; |
| uint64_t src_addr6; |
| uint64_t next; |
| uint64_t src_addr7; |
| uint64_t src_addr8; |
| uint64_t rsvd[2]; |
| }; |
| |
| struct ioat_pq_update_descriptor { |
| uint32_t size; |
| union { |
| uint32_t ctl; |
| struct { |
| unsigned int int_en:1; |
| unsigned int src_snoop_dis:1; |
| unsigned int dest_snoop_dis:1; |
| unsigned int compl_write:1; |
| unsigned int fence:1; |
| unsigned int src_cnt:3; |
| unsigned int bundle:1; |
| unsigned int dest_dca:1; |
| unsigned int hint:1; |
| unsigned int p_disable:1; |
| unsigned int q_disable:1; |
| unsigned int rsvd:3; |
| unsigned int coef:8; |
| #define IOAT_OP_PQ_UP 0x8b |
| unsigned int op:8; |
| } ctl_f; |
| }; |
| uint64_t src_addr; |
| uint64_t p_addr; |
| uint64_t next; |
| uint64_t src_addr2; |
| uint64_t p_src; |
| uint64_t q_src; |
| uint64_t q_addr; |
| }; |
| |
| struct ioat_raw_descriptor { |
| uint64_t field[8]; |
| }; |
| #endif |