/* * 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_REGISTERS_H_ #define _IOAT_REGISTERS_H_ #define IOAT_PCI_DMACTRL_OFFSET 0x48 #define IOAT_PCI_DMACTRL_DMA_EN 0x00000001 #define IOAT_PCI_DMACTRL_MSI_EN 0x00000002 #define IOAT_PCI_DEVICE_ID_OFFSET 0x02 #define IOAT_PCI_DMAUNCERRSTS_OFFSET 0x148 #define IOAT_PCI_CHANERR_INT_OFFSET 0x180 #define IOAT_PCI_CHANERRMASK_INT_OFFSET 0x184 /* PCIe config registers */ /* EXPCAPID + N */ #define IOAT_DEVCTRL_OFFSET 0x8 /* relaxed ordering enable */ #define IOAT_DEVCTRL_ROE 0x10 /* MMIO Device Registers */ #define IOAT_CHANCNT_OFFSET 0x00 /* 8-bit */ #define IOAT_XFERCAP_OFFSET 0x01 /* 8-bit */ #define IOAT_XFERCAP_4KB 12 #define IOAT_XFERCAP_8KB 13 #define IOAT_XFERCAP_16KB 14 #define IOAT_XFERCAP_32KB 15 #define IOAT_XFERCAP_32GB 0 #define IOAT_GENCTRL_OFFSET 0x02 /* 8-bit */ #define IOAT_GENCTRL_DEBUG_EN 0x01 #define IOAT_INTRCTRL_OFFSET 0x03 /* 8-bit */ #define IOAT_INTRCTRL_MASTER_INT_EN 0x01 /* Master Interrupt Enable */ #define IOAT_INTRCTRL_INT_STATUS 0x02 /* ATTNSTATUS -or- Channel Int */ #define IOAT_INTRCTRL_INT 0x04 /* INT_STATUS -and- MASTER_INT_EN */ #define IOAT_INTRCTRL_MSIX_VECTOR_CONTROL 0x08 /* Enable all MSI-X vectors */ #define IOAT_ATTNSTATUS_OFFSET 0x04 /* Each bit is a channel */ #define IOAT_VER_OFFSET 0x08 /* 8-bit */ #define IOAT_VER_MAJOR_MASK 0xF0 #define IOAT_VER_MINOR_MASK 0x0F #define GET_IOAT_VER_MAJOR(x) (((x) & IOAT_VER_MAJOR_MASK) >> 4) #define GET_IOAT_VER_MINOR(x) ((x) & IOAT_VER_MINOR_MASK) #define IOAT_PERPORTOFFSET_OFFSET 0x0A /* 16-bit */ #define IOAT_INTRDELAY_OFFSET 0x0C /* 16-bit */ #define IOAT_INTRDELAY_MASK 0x3FFF /* Interrupt Delay Time */ #define IOAT_INTRDELAY_COALESE_SUPPORT 0x8000 /* Interrupt Coalescing Supported */ #define IOAT_DEVICE_STATUS_OFFSET 0x0E /* 16-bit */ #define IOAT_DEVICE_STATUS_DEGRADED_MODE 0x0001 #define IOAT_DEVICE_MMIO_RESTRICTED 0x0002 #define IOAT_DEVICE_MEMORY_BYPASS 0x0004 #define IOAT_DEVICE_ADDRESS_REMAPPING 0x0008 #define IOAT_DMA_CAP_OFFSET 0x10 /* 32-bit */ #define IOAT_CAP_PAGE_BREAK 0x00000001 #define IOAT_CAP_CRC 0x00000002 #define IOAT_CAP_SKIP_MARKER 0x00000004 #define IOAT_CAP_DCA 0x00000010 #define IOAT_CAP_CRC_MOVE 0x00000020 #define IOAT_CAP_FILL_BLOCK 0x00000040 #define IOAT_CAP_APIC 0x00000080 #define IOAT_CAP_XOR 0x00000100 #define IOAT_CAP_PQ 0x00000200 #define IOAT_CAP_DWBES 0x00002000 #define IOAT_CAP_RAID16SS 0x00020000 #define IOAT_CHANNEL_MMIO_SIZE 0x80 /* Each Channel MMIO space is this size */ /* DMA Channel Registers */ #define IOAT_CHANCTRL_OFFSET 0x00 /* 16-bit Channel Control Register */ #define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 #define IOAT3_CHANCTRL_COMPL_DCA_EN 0x0200 #define IOAT_CHANCTRL_CHANNEL_IN_USE 0x0100 #define IOAT_CHANCTRL_DESCRIPTOR_ADDR_SNOOP_CONTROL 0x0020 #define IOAT_CHANCTRL_ERR_INT_EN 0x0010 #define IOAT_CHANCTRL_ANY_ERR_ABORT_EN 0x0008 #define IOAT_CHANCTRL_ERR_COMPLETION_EN 0x0004 #define IOAT_CHANCTRL_INT_REARM 0x0001 #define IOAT_CHANCTRL_RUN (IOAT_CHANCTRL_INT_REARM |\ IOAT_CHANCTRL_ERR_INT_EN |\ IOAT_CHANCTRL_ERR_COMPLETION_EN |\ IOAT_CHANCTRL_ANY_ERR_ABORT_EN) #define IOAT_DMA_COMP_OFFSET 0x02 /* 16-bit DMA channel compatibility */ #define IOAT_DMA_COMP_V1 0x0001 /* Compatibility with DMA version 1 */ #define IOAT_DMA_COMP_V2 0x0002 /* Compatibility with DMA version 2 */ #define IOAT_CHANSTS_OFFSET 0x08 /* 64-bit Channel Status Register */ #define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR (~0x3fULL) #define IOAT_CHANSTS_SOFT_ERR 0x10ULL #define IOAT_CHANSTS_UNAFFILIATED_ERR 0x8ULL #define IOAT_CHANSTS_STATUS 0x7ULL #define IOAT_CHANSTS_ACTIVE 0x0 #define IOAT_CHANSTS_DONE 0x1 #define IOAT_CHANSTS_SUSPENDED 0x2 #define IOAT_CHANSTS_HALTED 0x3 #define IOAT_CHAN_DMACOUNT_OFFSET 0x06 /* 16-bit DMA Count register */ #define IOAT_DCACTRL_OFFSET 0x30 /* 32 bit Direct Cache Access Control Register */ #define IOAT_DCACTRL_CMPL_WRITE_ENABLE 0x10000 #define IOAT_DCACTRL_TARGET_CPU_MASK 0xFFFF /* APIC ID */ /* CB DCA Memory Space Registers */ #define IOAT_DCAOFFSET_OFFSET 0x14 /* CB_BAR + IOAT_DCAOFFSET value */ #define IOAT_DCA_VER_OFFSET 0x00 #define IOAT_DCA_VER_MAJOR_MASK 0xF0 #define IOAT_DCA_VER_MINOR_MASK 0x0F #define IOAT_DCA_COMP_OFFSET 0x02 #define IOAT_DCA_COMP_V1 0x1 #define IOAT_FSB_CAPABILITY_OFFSET 0x04 #define IOAT_FSB_CAPABILITY_PREFETCH 0x1 #define IOAT_PCI_CAPABILITY_OFFSET 0x06 #define IOAT_PCI_CAPABILITY_MEMWR 0x1 #define IOAT_FSB_CAP_ENABLE_OFFSET 0x08 #define IOAT_FSB_CAP_ENABLE_PREFETCH 0x1 #define IOAT_PCI_CAP_ENABLE_OFFSET 0x0A #define IOAT_PCI_CAP_ENABLE_MEMWR 0x1 #define IOAT_APICID_TAG_MAP_OFFSET 0x0C #define IOAT_APICID_TAG_MAP_TAG0 0x0000000F #define IOAT_APICID_TAG_MAP_TAG0_SHIFT 0 #define IOAT_APICID_TAG_MAP_TAG1 0x000000F0 #define IOAT_APICID_TAG_MAP_TAG1_SHIFT 4 #define IOAT_APICID_TAG_MAP_TAG2 0x00000F00 #define IOAT_APICID_TAG_MAP_TAG2_SHIFT 8 #define IOAT_APICID_TAG_MAP_TAG3 0x0000F000 #define IOAT_APICID_TAG_MAP_TAG3_SHIFT 12 #define IOAT_APICID_TAG_MAP_TAG4 0x000F0000 #define IOAT_APICID_TAG_MAP_TAG4_SHIFT 16 #define IOAT_APICID_TAG_CB2_VALID 0x8080808080 #define IOAT_DCA_GREQID_OFFSET 0x10 #define IOAT_DCA_GREQID_SIZE 0x04 #define IOAT_DCA_GREQID_MASK 0xFFFF #define IOAT_DCA_GREQID_IGNOREFUN 0x10000000 #define IOAT_DCA_GREQID_VALID 0x20000000 #define IOAT_DCA_GREQID_LASTID 0x80000000 #define IOAT3_CSI_CAPABILITY_OFFSET 0x08 #define IOAT3_CSI_CAPABILITY_PREFETCH 0x1 #define IOAT3_PCI_CAPABILITY_OFFSET 0x0A #define IOAT3_PCI_CAPABILITY_MEMWR 0x1 #define IOAT3_CSI_CONTROL_OFFSET 0x0C #define IOAT3_CSI_CONTROL_PREFETCH 0x1 #define IOAT3_PCI_CONTROL_OFFSET 0x0E #define IOAT3_PCI_CONTROL_MEMWR 0x1 #define IOAT3_APICID_TAG_MAP_OFFSET 0x10 #define IOAT3_APICID_TAG_MAP_OFFSET_LOW 0x10 #define IOAT3_APICID_TAG_MAP_OFFSET_HIGH 0x14 #define IOAT3_DCA_GREQID_OFFSET 0x02 #define IOAT1_CHAINADDR_OFFSET 0x0C /* 64-bit Descriptor Chain Address Register */ #define IOAT2_CHAINADDR_OFFSET 0x10 /* 64-bit Descriptor Chain Address Register */ #define IOAT_CHAINADDR_OFFSET(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHAINADDR_OFFSET : IOAT2_CHAINADDR_OFFSET) #define IOAT1_CHAINADDR_OFFSET_LOW 0x0C #define IOAT2_CHAINADDR_OFFSET_LOW 0x10 #define IOAT_CHAINADDR_OFFSET_LOW(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHAINADDR_OFFSET_LOW : IOAT2_CHAINADDR_OFFSET_LOW) #define IOAT1_CHAINADDR_OFFSET_HIGH 0x10 #define IOAT2_CHAINADDR_OFFSET_HIGH 0x14 #define IOAT_CHAINADDR_OFFSET_HIGH(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHAINADDR_OFFSET_HIGH : IOAT2_CHAINADDR_OFFSET_HIGH) #define IOAT1_CHANCMD_OFFSET 0x14 /* 8-bit DMA Channel Command Register */ #define IOAT2_CHANCMD_OFFSET 0x04 /* 8-bit DMA Channel Command Register */ #define IOAT_CHANCMD_OFFSET(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHANCMD_OFFSET : IOAT2_CHANCMD_OFFSET) #define IOAT_CHANCMD_RESET 0x20 #define IOAT_CHANCMD_RESUME 0x10 #define IOAT_CHANCMD_ABORT 0x08 #define IOAT_CHANCMD_SUSPEND 0x04 #define IOAT_CHANCMD_APPEND 0x02 #define IOAT_CHANCMD_START 0x01 #define IOAT_CHANCMP_OFFSET 0x18 /* 64-bit Channel Completion Address Register */ #define IOAT_CHANCMP_OFFSET_LOW 0x18 #define IOAT_CHANCMP_OFFSET_HIGH 0x1C #define IOAT_CDAR_OFFSET 0x20 /* 64-bit Current Descriptor Address Register */ #define IOAT_CDAR_OFFSET_LOW 0x20 #define IOAT_CDAR_OFFSET_HIGH 0x24 #define IOAT_CHANERR_OFFSET 0x28 /* 32-bit Channel Error Register */ #define IOAT_CHANERR_SRC_ADDR_ERR 0x0001 #define IOAT_CHANERR_DEST_ADDR_ERR 0x0002 #define IOAT_CHANERR_NEXT_ADDR_ERR 0x0004 #define IOAT_CHANERR_NEXT_DESC_ALIGN_ERR 0x0008 #define IOAT_CHANERR_CHAIN_ADDR_VALUE_ERR 0x0010 #define IOAT_CHANERR_CHANCMD_ERR 0x0020 #define IOAT_CHANERR_CHIPSET_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0040 #define IOAT_CHANERR_DMA_UNCORRECTABLE_DATA_INTEGRITY_ERR 0x0080 #define IOAT_CHANERR_READ_DATA_ERR 0x0100 #define IOAT_CHANERR_WRITE_DATA_ERR 0x0200 #define IOAT_CHANERR_CONTROL_ERR 0x0400 #define IOAT_CHANERR_LENGTH_ERR 0x0800 #define IOAT_CHANERR_COMPLETION_ADDR_ERR 0x1000 #define IOAT_CHANERR_INT_CONFIGURATION_ERR 0x2000 #define IOAT_CHANERR_SOFT_ERR 0x4000 #define IOAT_CHANERR_UNAFFILIATED_ERR 0x8000 #define IOAT_CHANERR_XOR_P_OR_CRC_ERR 0x10000 #define IOAT_CHANERR_XOR_Q_ERR 0x20000 #define IOAT_CHANERR_DESCRIPTOR_COUNT_ERR 0x40000 #define IOAT_CHANERR_HANDLE_MASK (IOAT_CHANERR_XOR_P_OR_CRC_ERR | IOAT_CHANERR_XOR_Q_ERR) #define IOAT_CHANERR_RECOVER_MASK (IOAT_CHANERR_READ_DATA_ERR | \ IOAT_CHANERR_WRITE_DATA_ERR) #define IOAT_CHANERR_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */ #endif /* _IOAT_REGISTERS_H_ */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christopher Leech | 323 | 43.65% | 1 | 5.26% |
| Shannon Nelson | 234 | 31.62% | 2 | 10.53% |
| Dan J Williams | 97 | 13.11% | 8 | 42.11% |
| Maciej Sosnowski | 60 | 8.11% | 1 | 5.26% |
| Dave Jiang | 25 | 3.38% | 6 | 31.58% |
| Jarkko Nikula | 1 | 0.14% | 1 | 5.26% |
| Total | 740 | 100.00% | 19 | 100.00% |