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vendor-reset/src/vendor-reset-dev.c

72 lines
1.7 KiB
C

/*
Vendor Reset - Vendor Specific Reset
Copyright (C) 2020 Geoffrey McRae <geoff@hostfission.com>
Copyright (C) 2020 Adam Madsen <adam@ajmadsen.com>
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
*/
#include "vendor-reset-dev.h"
#include "device-db.h"
struct vendor_reset_cfg * vendor_reset_cfg_find(unsigned int vendor, unsigned
int device)
{
struct vendor_reset_cfg * cfg;
for(cfg = vendor_reset_devices; cfg->vendor; ++cfg)
{
if (cfg->vendor != vendor)
continue;
if (device == PCI_ANY_ID || device == cfg->device)
break;
}
if (!cfg->vendor)
return NULL;
return cfg;
}
long vendor_reset_dev_locked(struct vendor_reset_cfg *cfg, struct pci_dev *dev)
{
struct vendor_reset_dev vdev =
{
.pdev = dev,
.info = cfg->info
};
int ret;
if (cfg->ops->pre_reset)
{
ret = cfg->ops->pre_reset(&vdev);
if (ret)
return ret;
}
/* expose return code to cleanup */
ret = vdev.reset_ret = cfg->ops->reset(&vdev);
if (ret)
{
pci_warn(dev, "Failed to reset device\n");
return ret;
}
if (cfg->ops->post_reset)
ret = cfg->ops->post_reset(&vdev);
return ret;
}