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/* * 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. * * 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_MMIO_BAR 0 /* CB device ID's */ #define PCI_DEVICE_ID_INTEL_IOAT_IVB0 0x0e20 #define PCI_DEVICE_ID_INTEL_IOAT_IVB1 0x0e21 #define PCI_DEVICE_ID_INTEL_IOAT_IVB2 0x0e22 #define PCI_DEVICE_ID_INTEL_IOAT_IVB3 0x0e23 #define PCI_DEVICE_ID_INTEL_IOAT_IVB4 0x0e24 #define PCI_DEVICE_ID_INTEL_IOAT_IVB5 0x0e25 #define PCI_DEVICE_ID_INTEL_IOAT_IVB6 0x0e26 #define PCI_DEVICE_ID_INTEL_IOAT_IVB7 0x0e27 #define PCI_DEVICE_ID_INTEL_IOAT_IVB8 0x0e2e #define PCI_DEVICE_ID_INTEL_IOAT_IVB9 0x0e2f #define PCI_DEVICE_ID_INTEL_IOAT_HSW0 0x2f20 #define PCI_DEVICE_ID_INTEL_IOAT_HSW1 0x2f21 #define PCI_DEVICE_ID_INTEL_IOAT_HSW2 0x2f22 #define PCI_DEVICE_ID_INTEL_IOAT_HSW3 0x2f23 #define PCI_DEVICE_ID_INTEL_IOAT_HSW4 0x2f24 #define PCI_DEVICE_ID_INTEL_IOAT_HSW5 0x2f25 #define PCI_DEVICE_ID_INTEL_IOAT_HSW6 0x2f26 #define PCI_DEVICE_ID_INTEL_IOAT_HSW7 0x2f27 #define PCI_DEVICE_ID_INTEL_IOAT_HSW8 0x2f2e #define PCI_DEVICE_ID_INTEL_IOAT_HSW9 0x2f2f #define PCI_DEVICE_ID_INTEL_IOAT_BWD0 0x0C50 #define PCI_DEVICE_ID_INTEL_IOAT_BWD1 0x0C51 #define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52 #define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53 #define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0 0x6f50 #define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1 0x6f51 #define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2 0x6f52 #define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3 0x6f53 #define PCI_DEVICE_ID_INTEL_IOAT_BDX0 0x6f20 #define PCI_DEVICE_ID_INTEL_IOAT_BDX1 0x6f21 #define PCI_DEVICE_ID_INTEL_IOAT_BDX2 0x6f22 #define PCI_DEVICE_ID_INTEL_IOAT_BDX3 0x6f23 #define PCI_DEVICE_ID_INTEL_IOAT_BDX4 0x6f24 #define PCI_DEVICE_ID_INTEL_IOAT_BDX5 0x6f25 #define PCI_DEVICE_ID_INTEL_IOAT_BDX6 0x6f26 #define PCI_DEVICE_ID_INTEL_IOAT_BDX7 0x6f27 #define PCI_DEVICE_ID_INTEL_IOAT_BDX8 0x6f2e #define PCI_DEVICE_ID_INTEL_IOAT_BDX9 0x6f2f #define PCI_DEVICE_ID_INTEL_IOAT_SKX 0x2021 #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 */ #define IOAT_VER_3_3 0x33 /* Version 3.3 */ int system_has_dca_enabled(struct pci_dev *pdev); #define IOAT_DESC_SZ 64 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_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 { union { uint32_t size; uint32_t dwbes; struct { unsigned int rsvd:25; unsigned int p_val_err:1; unsigned int q_val_err:1; unsigned int rsvd1:4; unsigned int wbes:1; } dwbes_f; }; 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 rsvd2:2; unsigned int wb_en:1; unsigned int prl_en:1; unsigned int rsvd3:7; #define IOAT_OP_PQ 0x89 #define IOAT_OP_PQ_VAL 0x8a #define IOAT_OP_PQ_16S 0xa0 #define IOAT_OP_PQ_VAL_16S 0xa1 unsigned int op:8; } ctl_f; }; uint64_t src_addr; uint64_t p_addr; uint64_t next; uint64_t src_addr2; union { uint64_t src_addr3; uint64_t sed_addr; }; 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]; }; struct ioat_pq16a_descriptor { uint8_t coef[8]; uint64_t src_addr3; uint64_t src_addr4; uint64_t src_addr5; uint64_t src_addr6; uint64_t src_addr7; uint64_t src_addr8; uint64_t src_addr9; }; struct ioat_pq16b_descriptor { uint64_t src_addr10; uint64_t src_addr11; uint64_t src_addr12; uint64_t src_addr13; uint64_t src_addr14; uint64_t src_addr15; uint64_t src_addr16; uint64_t rsvd; }; union ioat_sed_pq_descriptor { struct ioat_pq16a_descriptor a; struct ioat_pq16b_descriptor b; }; #define SED_SIZE 64 struct ioat_sed_raw_descriptor { uint64_t a[8]; uint64_t b[8]; uint64_t c[8]; }; #endif