|  | /* | 
|  | * 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 | 
|  |  | 
|  | /* From Linux pci_ids.h */ | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT	0x1a38 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG4	0x3429 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG5	0x342a | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG6	0x342b | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG7	0x342c | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG0	0x3430 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG1	0x3431 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG2	0x3432 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_TBG3	0x3433 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_CNB	0x360b | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF0	0x3710 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF1	0x3711 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF2	0x3712 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF3	0x3713 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF4	0x3714 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF5	0x3715 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF6	0x3716 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF7	0x3717 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF8	0x3718 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_JSF9	0x3719 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB0	0x3c20 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB1	0x3c21 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB2	0x3c22 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB3	0x3c23 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB4	0x3c24 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB5	0x3c25 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB6	0x3c26 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB7	0x3c27 | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB8	0x3c2e | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB9	0x3c2f | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SNB	0x402f | 
|  | #define PCI_DEVICE_ID_INTEL_IOAT_SCNB	0x65ff | 
|  |  | 
|  | /* 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 PCI_DEVICE_ID_INTEL_IOAT_ICX	0x0b00 | 
|  |  | 
|  | #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 */ | 
|  | #define IOAT_VER_3_4		0x34	/* Version 3.4 */ | 
|  |  | 
|  |  | 
|  | int system_has_dca_enabled(struct pci_device *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 |