diff options
Diffstat (limited to 'sys/dev/ioat/ioat_hw.h')
| -rw-r--r-- | sys/dev/ioat/ioat_hw.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/sys/dev/ioat/ioat_hw.h b/sys/dev/ioat/ioat_hw.h new file mode 100644 index 0000000..8e9952a --- /dev/null +++ b/sys/dev/ioat/ioat_hw.h @@ -0,0 +1,104 @@ +/*- + * Copyright (C) 2012 Intel Corporation + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +__FBSDID("$FreeBSD$"); + +#ifndef __IOAT_HW_H__ +#define __IOAT_HW_H__ + +#define IOAT_MAX_CHANNELS 32 + +#define IOAT_CHANCNT_OFFSET 0x00 + +#define IOAT_XFERCAP_OFFSET 0x01 + +#define IOAT_GENCTRL_OFFSET 0x02 + +#define IOAT_INTRCTRL_OFFSET 0x03 +#define IOAT_INTRCTRL_MASTER_INT_EN 0x01 + +#define IOAT_ATTNSTATUS_OFFSET 0x04 + +#define IOAT_CBVER_OFFSET 0x08 + +#define IOAT_VER_3_0 0x30 +#define IOAT_VER_3_3 0x33 + +#define IOAT_INTRDELAY_OFFSET 0x0C + +#define IOAT_CS_STATUS_OFFSET 0x0E + +#define IOAT_DMACAPABILITY_OFFSET 0x10 + +/* DMA Channel Registers */ +#define IOAT_CHANCTRL_OFFSET 0x80 +#define IOAT_CHANCTRL_CHANNEL_PRIORITY_MASK 0xF000 +#define IOAT_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_ANY_ERR_ABORT_EN) + +#define IOAT_CHANCMD_OFFSET 0x84 +#define IOAT_CHANCMD_RESET 0x20 +#define IOAT_CHANCMD_SUSPEND 0x04 + +#define IOAT_DMACOUNT_OFFSET 0x86 + +#define IOAT_CHANSTS_OFFSET_LOW 0x88 +#define IOAT_CHANSTS_OFFSET_HIGH 0x8C +#define IOAT_CHANSTS_OFFSET 0x88 + +#define IOAT_CHANSTS_STATUS 0x7ULL +#define IOAT_CHANSTS_ACTIVE 0x0 +#define IOAT_CHANSTS_IDLE 0x1 +#define IOAT_CHANSTS_SUSPENDED 0x2 +#define IOAT_CHANSTS_HALTED 0x3 + +#define IOAT_CHANSTS_UNAFFILIATED_ERROR 0x8ULL +#define IOAT_CHANSTS_SOFT_ERROR 0x10ULL + +#define IOAT_CHANSTS_COMPLETED_DESCRIPTOR_MASK (~0x3FULL) + +#define IOAT_CHAINADDR_OFFSET_LOW 0x90 +#define IOAT_CHAINADDR_OFFSET_HIGH 0x94 + +#define IOAT_CHANCMP_OFFSET_LOW 0x98 +#define IOAT_CHANCMP_OFFSET_HIGH 0x9C + +#define IOAT_CHANERR_OFFSET 0xA8 + +#define IOAT_CFG_CHANERR_INT_OFFSET 0x180 +#define IOAT_CFG_CHANERRMASK_INT_OFFSET 0x184 + +#define IOAT_MIN_ORDER 4 +#define IOAT_MAX_ORDER 16 + +#endif /* __IOAT_HW_H__ */ |
