271 lines
6.4 KiB
C
271 lines
6.4 KiB
C
/*
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* Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in the
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* file called COPYING.
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*/
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#ifndef _IOAT_HW_H_
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#define _IOAT_HW_H_
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/* PCI Configuration Space Values */
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#define IOAT_MMIO_BAR 0
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/* CB device ID's */
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#define IOAT_PCI_DID_5000 0x1A38
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#define IOAT_PCI_DID_CNB 0x360B
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#define IOAT_PCI_DID_SCNB 0x65FF
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#define IOAT_PCI_DID_SNB 0x402F
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB0 0x0e20
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB1 0x0e21
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB2 0x0e22
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB3 0x0e23
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB4 0x0e24
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB5 0x0e25
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB6 0x0e26
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB7 0x0e27
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB8 0x0e2e
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#define PCI_DEVICE_ID_INTEL_IOAT_IVB9 0x0e2f
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW0 0x2f20
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW1 0x2f21
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW2 0x2f22
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW3 0x2f23
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW4 0x2f24
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW5 0x2f25
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW6 0x2f26
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW7 0x2f27
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW8 0x2f2e
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#define PCI_DEVICE_ID_INTEL_IOAT_HSW9 0x2f2f
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#define PCI_DEVICE_ID_INTEL_IOAT_BWD0 0x0C50
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#define PCI_DEVICE_ID_INTEL_IOAT_BWD1 0x0C51
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#define PCI_DEVICE_ID_INTEL_IOAT_BWD2 0x0C52
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#define PCI_DEVICE_ID_INTEL_IOAT_BWD3 0x0C53
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#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0 0x6f50
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#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1 0x6f51
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#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2 0x6f52
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#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3 0x6f53
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#define IOAT_VER_1_2 0x12 /* Version 1.2 */
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#define IOAT_VER_2_0 0x20 /* Version 2.0 */
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#define IOAT_VER_3_0 0x30 /* Version 3.0 */
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#define IOAT_VER_3_2 0x32 /* Version 3.2 */
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#define IOAT_VER_3_3 0x33 /* Version 3.3 */
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int system_has_dca_enabled(struct pci_dev *pdev);
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struct ioat_dma_descriptor {
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uint32_t size;
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union {
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uint32_t ctl;
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struct {
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unsigned int int_en:1;
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unsigned int src_snoop_dis:1;
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unsigned int dest_snoop_dis:1;
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unsigned int compl_write:1;
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unsigned int fence:1;
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unsigned int null:1;
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unsigned int src_brk:1;
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unsigned int dest_brk:1;
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unsigned int bundle:1;
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unsigned int dest_dca:1;
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unsigned int hint:1;
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unsigned int rsvd2:13;
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#define IOAT_OP_COPY 0x00
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unsigned int op:8;
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} ctl_f;
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};
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uint64_t src_addr;
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uint64_t dst_addr;
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uint64_t next;
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uint64_t rsv1;
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uint64_t rsv2;
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/* store some driver data in an unused portion of the descriptor */
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union {
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uint64_t user1;
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uint64_t tx_cnt;
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};
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uint64_t user2;
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};
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struct ioat_xor_descriptor {
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uint32_t size;
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union {
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uint32_t ctl;
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struct {
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unsigned int int_en:1;
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unsigned int src_snoop_dis:1;
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unsigned int dest_snoop_dis:1;
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unsigned int compl_write:1;
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unsigned int fence:1;
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unsigned int src_cnt:3;
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unsigned int bundle:1;
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unsigned int dest_dca:1;
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unsigned int hint:1;
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unsigned int rsvd:13;
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#define IOAT_OP_XOR 0x87
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#define IOAT_OP_XOR_VAL 0x88
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unsigned int op:8;
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} ctl_f;
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};
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uint64_t src_addr;
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uint64_t dst_addr;
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uint64_t next;
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uint64_t src_addr2;
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uint64_t src_addr3;
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uint64_t src_addr4;
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uint64_t src_addr5;
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};
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struct ioat_xor_ext_descriptor {
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uint64_t src_addr6;
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uint64_t src_addr7;
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uint64_t src_addr8;
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uint64_t next;
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uint64_t rsvd[4];
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};
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struct ioat_pq_descriptor {
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union {
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uint32_t size;
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uint32_t dwbes;
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struct {
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unsigned int rsvd:25;
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unsigned int p_val_err:1;
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unsigned int q_val_err:1;
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unsigned int rsvd1:4;
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unsigned int wbes:1;
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} dwbes_f;
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};
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union {
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uint32_t ctl;
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struct {
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unsigned int int_en:1;
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unsigned int src_snoop_dis:1;
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unsigned int dest_snoop_dis:1;
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unsigned int compl_write:1;
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unsigned int fence:1;
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unsigned int src_cnt:3;
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unsigned int bundle:1;
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unsigned int dest_dca:1;
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unsigned int hint:1;
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unsigned int p_disable:1;
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unsigned int q_disable:1;
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unsigned int rsvd2:2;
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unsigned int wb_en:1;
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unsigned int prl_en:1;
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unsigned int rsvd3:7;
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#define IOAT_OP_PQ 0x89
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#define IOAT_OP_PQ_VAL 0x8a
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#define IOAT_OP_PQ_16S 0xa0
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#define IOAT_OP_PQ_VAL_16S 0xa1
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unsigned int op:8;
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} ctl_f;
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};
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uint64_t src_addr;
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uint64_t p_addr;
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uint64_t next;
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uint64_t src_addr2;
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union {
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uint64_t src_addr3;
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uint64_t sed_addr;
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};
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uint8_t coef[8];
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uint64_t q_addr;
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};
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struct ioat_pq_ext_descriptor {
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uint64_t src_addr4;
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uint64_t src_addr5;
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uint64_t src_addr6;
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uint64_t next;
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uint64_t src_addr7;
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uint64_t src_addr8;
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uint64_t rsvd[2];
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};
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struct ioat_pq_update_descriptor {
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uint32_t size;
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union {
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uint32_t ctl;
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struct {
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unsigned int int_en:1;
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unsigned int src_snoop_dis:1;
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unsigned int dest_snoop_dis:1;
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unsigned int compl_write:1;
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unsigned int fence:1;
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unsigned int src_cnt:3;
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unsigned int bundle:1;
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unsigned int dest_dca:1;
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unsigned int hint:1;
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unsigned int p_disable:1;
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unsigned int q_disable:1;
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unsigned int rsvd:3;
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unsigned int coef:8;
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#define IOAT_OP_PQ_UP 0x8b
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unsigned int op:8;
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} ctl_f;
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};
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uint64_t src_addr;
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uint64_t p_addr;
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uint64_t next;
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uint64_t src_addr2;
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uint64_t p_src;
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uint64_t q_src;
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uint64_t q_addr;
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};
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struct ioat_raw_descriptor {
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uint64_t field[8];
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};
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struct ioat_pq16a_descriptor {
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uint8_t coef[8];
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uint64_t src_addr3;
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uint64_t src_addr4;
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uint64_t src_addr5;
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uint64_t src_addr6;
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uint64_t src_addr7;
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uint64_t src_addr8;
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uint64_t src_addr9;
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};
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struct ioat_pq16b_descriptor {
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uint64_t src_addr10;
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uint64_t src_addr11;
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uint64_t src_addr12;
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uint64_t src_addr13;
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uint64_t src_addr14;
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uint64_t src_addr15;
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uint64_t src_addr16;
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uint64_t rsvd;
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};
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union ioat_sed_pq_descriptor {
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struct ioat_pq16a_descriptor a;
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struct ioat_pq16b_descriptor b;
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};
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#define SED_SIZE 64
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struct ioat_sed_raw_descriptor {
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uint64_t a[8];
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uint64_t b[8];
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uint64_t c[8];
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};
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#endif
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