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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [drivers/] [dma/] [ioatdma_registers.h] - Rev 3
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/* * Copyright(c) 2004 - 2007 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_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 /* 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_INT_DELAY_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_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 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_DISABLE 0x0001 #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 IOAT1_CHANSTS_OFFSET 0x04 /* 64-bit Channel Status Register */ #define IOAT2_CHANSTS_OFFSET 0x08 /* 64-bit Channel Status Register */ #define IOAT_CHANSTS_OFFSET(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHANSTS_OFFSET : IOAT2_CHANSTS_OFFSET) #define IOAT1_CHANSTS_OFFSET_LOW 0x04 #define IOAT2_CHANSTS_OFFSET_LOW 0x08 #define IOAT_CHANSTS_OFFSET_LOW(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHANSTS_OFFSET_LOW : IOAT2_CHANSTS_OFFSET_LOW) #define IOAT1_CHANSTS_OFFSET_HIGH 0x08 #define IOAT2_CHANSTS_OFFSET_HIGH 0x0C #define IOAT_CHANSTS_OFFSET_HIGH(ver) ((ver) < IOAT_VER_2_0 \ ? IOAT1_CHANSTS_OFFSET_HIGH : IOAT2_CHANSTS_OFFSET_HIGH) #define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_ADDR ~0x3F #define IOAT_CHANSTS_SOFT_ERR 0x0000000000000010 #define IOAT_CHANSTS_UNAFFILIATED_ERR 0x0000000000000008 #define IOAT_CHANSTS_DMA_TRANSFER_STATUS 0x0000000000000007 #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_ACTIVE 0x0 #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_DONE 0x1 #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_SUSPENDED 0x2 #define IOAT_CHANSTS_DMA_TRANSFER_STATUS_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 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_DMA_TRANSFER_SRC_ADDR_ERR 0x0001 #define IOAT_CHANERR_DMA_TRANSFER_DEST_ADDR_ERR 0x0002 #define IOAT_CHANERR_NEXT_DESCRIPTOR_ADDR_ERR 0x0004 #define IOAT_CHANERR_NEXT_DESCRIPTOR_ALIGNMENT_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_DESCRIPTOR_CONTROL_ERR 0x0400 #define IOAT_CHANERR_DESCRIPTOR_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_MASK_OFFSET 0x2C /* 32-bit Channel Error Register */ #endif /* _IOAT_REGISTERS_H_ */