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41350c533c
Add _v prefix for some function name to indicate this function wants to operate on virtual CFG space or virtual BAR register. Tracked-On: #4371 Signed-off-by: Li Fei1 <fei1.li@intel.com>
129 lines
4.2 KiB
C
129 lines
4.2 KiB
C
/*-
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* Copyright (c) 2011 NetApp, Inc.
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* Copyright (c) 2018 Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*_
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* Emulate a PCI Host bridge:
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* Intel Corporation Celeron N3350/Pentium N4200/Atom E3900
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* Series Host Bridge (rev 0b)
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*/
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#include <vm.h>
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#include <pci.h>
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#include "vpci_priv.h"
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/**
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* @pre vdev != NULL
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* @pre vdev->vpci != NULL
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* @pre vdev->vpci->vm != NULL
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*/
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static void init_vhostbridge(struct pci_vdev *vdev)
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{
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/* PCI config space */
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pci_vdev_write_vcfg(vdev, PCIR_VENDOR, 2U, 0x8086U);
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pci_vdev_write_vcfg(vdev, PCIR_DEVICE, 2U, 0x5af0U);
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pci_vdev_write_vcfg(vdev, PCIR_REVID, 1U, 0xbU);
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pci_vdev_write_vcfg(vdev, PCIR_HDRTYPE, 1U, (PCIM_HDRTYPE_NORMAL | PCIM_MFDEV));
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pci_vdev_write_vcfg(vdev, PCIR_CLASS, 1U, PCIC_BRIDGE);
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pci_vdev_write_vcfg(vdev, PCIR_SUBCLASS, 1U, PCIS_BRIDGE_HOST);
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pci_vdev_write_vcfg(vdev, 0x34U, 1U, 0xe0U);
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pci_vdev_write_vcfg(vdev, 0x3cU, 1U, 0xe0U);
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pci_vdev_write_vcfg(vdev, 0x48U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0x4aU, 1U, 0xd1U);
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pci_vdev_write_vcfg(vdev, 0x4bU, 1U, 0xfeU);
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pci_vdev_write_vcfg(vdev, 0x50U, 1U, 0xc1U);
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pci_vdev_write_vcfg(vdev, 0x51U, 1U, 0x2U);
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pci_vdev_write_vcfg(vdev, 0x54U, 1U, 0x33U);
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pci_vdev_write_vcfg(vdev, 0x58U, 1U, 0x7U);
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pci_vdev_write_vcfg(vdev, 0x5aU, 1U, 0xf0U);
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pci_vdev_write_vcfg(vdev, 0x5bU, 1U, 0x7fU);
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pci_vdev_write_vcfg(vdev, 0x60U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0x63U, 1U, 0xe0U);
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pci_vdev_write_vcfg(vdev, 0xabU, 1U, 0x80U);
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pci_vdev_write_vcfg(vdev, 0xacU, 1U, 0x2U);
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pci_vdev_write_vcfg(vdev, 0xb0U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0xb3U, 1U, 0x7cU);
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pci_vdev_write_vcfg(vdev, 0xb4U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0xb6U, 1U, 0x80U);
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pci_vdev_write_vcfg(vdev, 0xb7U, 1U, 0x7bU);
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pci_vdev_write_vcfg(vdev, 0xb8U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0xbbU, 1U, 0x7bU);
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pci_vdev_write_vcfg(vdev, 0xbcU, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0xbfU, 1U, 0x80U);
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pci_vdev_write_vcfg(vdev, 0xe0U, 1U, 0x9U);
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pci_vdev_write_vcfg(vdev, 0xe2U, 1U, 0xcU);
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pci_vdev_write_vcfg(vdev, 0xe3U, 1U, 0x1U);
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pci_vdev_write_vcfg(vdev, 0xf5U, 1U, 0xfU);
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pci_vdev_write_vcfg(vdev, 0xf6U, 1U, 0x1cU);
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pci_vdev_write_vcfg(vdev, 0xf7U, 1U, 0x1U);
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}
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static void deinit_vhostbridge(__unused struct pci_vdev *vdev)
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{
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}
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/**
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* @pre vdev != NULL
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* @pre vdev->vpci != NULL
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* @pre vdev->vpci->vm != NULL
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*/
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static int32_t read_vhostbridge_cfg(const struct pci_vdev *vdev, uint32_t offset,
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uint32_t bytes, uint32_t *val)
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{
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*val = pci_vdev_read_vcfg(vdev, offset, bytes);
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return 0;
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}
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/**
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* @pre vdev != NULL
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* @pre vdev->vpci != NULL
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* @pre vdev->vpci->vm != NULL
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*/
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static int32_t write_vhostbridge_cfg(struct pci_vdev *vdev, uint32_t offset,
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uint32_t bytes, uint32_t val)
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{
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if (!is_bar_offset(PCI_BAR_COUNT, offset)) {
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pci_vdev_write_vcfg(vdev, offset, bytes, val);
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}
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return 0;
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}
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const struct pci_vdev_ops vhostbridge_ops = {
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.init_vdev = init_vhostbridge,
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.deinit_vdev = deinit_vhostbridge,
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.write_vdev_cfg = write_vhostbridge_cfg,
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.read_vdev_cfg = read_vhostbridge_cfg,
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};
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