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Implement support for PCI suspend, resume and shutdown events in the

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LinuxKPI. Fix a few spaces to tabs. Bump the FreeBSD version to force
recompilation of existing KMODs.

MFC after:	1 week
Sponsored by:	Mellanox Technologies
This commit is contained in:
Hans Petter Selasky 2016-01-15 11:18:58 +00:00
parent d3bf8f6486
commit 7d1333938f
3 changed files with 50 additions and 3 deletions
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5
sys/compat/linuxkpi/common/include/linux/pci.h
View File

@ -129,8 +129,9 @@ struct pci_driver {
const struct pci_device_id *id_table;
int (*probe)(struct pci_dev *dev, const struct pci_device_id *id);
void (*remove)(struct pci_dev *dev);
int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */
int (*resume) (struct pci_dev *dev); /* Device woken up */
int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */
int (*resume) (struct pci_dev *dev); /* Device woken up */
void (*shutdown) (struct pci_dev *dev); /* Device shutdown */
driver_t driver;
devclass_t bsdclass;
const struct pci_error_handlers *err_handler;

46
sys/compat/linuxkpi/common/src/linux_pci.c
View File

@ -61,11 +61,17 @@ __FBSDID("$FreeBSD$");
static device_probe_t linux_pci_probe;
static device_attach_t linux_pci_attach;
static device_detach_t linux_pci_detach;
static device_suspend_t linux_pci_suspend;
static device_resume_t linux_pci_resume;
static device_shutdown_t linux_pci_shutdown;
static device_method_t pci_methods[] = {
DEVMETHOD(device_probe, linux_pci_probe),
DEVMETHOD(device_attach, linux_pci_attach),
DEVMETHOD(device_detach, linux_pci_detach),
DEVMETHOD(device_suspend, linux_pci_suspend),
DEVMETHOD(device_resume, linux_pci_resume),
DEVMETHOD(device_shutdown, linux_pci_shutdown),
DEVMETHOD_END
};
@ -169,6 +175,46 @@ linux_pci_detach(device_t dev)
return (0);
}
static int
linux_pci_suspend(device_t dev)
{
struct pm_message pm = { };
struct pci_dev *pdev;
int err;
pdev = device_get_softc(dev);
if (pdev->pdrv->suspend != NULL)
err = -pdev->pdrv->suspend(pdev, pm);
else
err = 0;
return (err);
}
static int
linux_pci_resume(device_t dev)
{
struct pci_dev *pdev;
int err;
pdev = device_get_softc(dev);
if (pdev->pdrv->resume != NULL)
err = -pdev->pdrv->resume(pdev);
else
err = 0;
return (err);
}
static int
linux_pci_shutdown(device_t dev)
{
struct pci_dev *pdev;
pdev = device_get_softc(dev);
if (pdev->pdrv->shutdown != NULL)
pdev->pdrv->shutdown(pdev);
return (0);
}
int
pci_register_driver(struct pci_driver *pdrv)
{

2
sys/sys/param.h
View File

@ -58,7 +58,7 @@
* in the range 5 to 9.
*/
#undef __FreeBSD_version
#define __FreeBSD_version 1100093 /* Master, propagated to newvers */
#define __FreeBSD_version 1100094 /* Master, propagated to newvers */
/*
* __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,