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98 lines
2.9 KiB
C
98 lines
2.9 KiB
C
/*
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Vendor Reset - Vendor Specific Reset
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Copyright (C) 2020 Geoffrey McRae <geoff@hostfission.com>
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Copyright (C) 2020 Adam Madsen <adam@ajmadsen.com>
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _H_VENDOR_RESET_DEV
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#define _H_VENDOR_RESET_DEV
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#include <linux/pci.h>
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struct vendor_reset_cfg;
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struct vendor_reset_dev
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{
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const struct vendor_reset_cfg *cfg;
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struct pci_dev *pdev;
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unsigned long info;
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int reset_ret;
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void *vendor_private;
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};
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struct vendor_reset_ver
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{
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unsigned int major;
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unsigned int minor;
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};
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struct vendor_reset_ops
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{
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/* version of the reset operations for logging */
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const struct vendor_reset_ver version;
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/* called when the kernel is probing for a working reset function */
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int (*probe)(const struct vendor_reset_cfg *, struct pci_dev *);
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/* any pre-reset ops to do, i.e., common code between devices */
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int (*pre_reset)(struct vendor_reset_dev *);
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/* the reset method for the device at the specified address */
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int (*reset)(struct vendor_reset_dev *);
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/* any post-reset ops to do, i.e., common code between devices */
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int (*post_reset)(struct vendor_reset_dev *);
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};
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struct vendor_reset_cfg
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{
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/* the vendor ID */
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unsigned int vendor;
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/* the device ID or PCI_ANY_ID to match all devices for the vendor */
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unsigned int device;
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/* the reset operations */
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const struct vendor_reset_ops * ops;
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/* device type for combined ops */
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unsigned long info;
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/* device type string for print */
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const char * info_str;
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};
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/* search the device table for the specified vendor and device id and return it */
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const struct vendor_reset_cfg * vendor_reset_cfg_find(unsigned int vendor,
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unsigned int device);
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/* perform the device reset */
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long vendor_reset_dev_locked(const struct vendor_reset_cfg *cfg,
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struct pci_dev *dev);
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long vendor_reset_dev(const struct vendor_reset_cfg *cfg, struct pci_dev *dev);
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#define vr_info(vdev, fmt, arg...) \
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pci_info ((vdev)->pdev, "%s: " fmt, (vdev)->cfg->info_str, ##arg)
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#define vr_warn(vdev, fmt, arg...) \
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pci_warn ((vdev)->pdev, "%s: " fmt, (vdev)->cfg->info_str, ##arg)
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#define vr_err(vdev, fmt, arg...) \
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pci_err ((vdev)->pdev, "%s: " fmt, (vdev)->cfg->info_str, ##arg)
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#define vr_debug(vdev, fmt, arg...) \
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pci_debug((vdev)->pdev, "%s: " fmt, (vdev)->cfg->info_str, ##arg)
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#endif
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