Author: kib
Date: Wed Mar 18 22:10:49 2020
New Revision: 359096
URL: https://svnweb.freebsd.org/changeset/base/359096
Log:
linuxkpi: Add infrastructure to pass FreeBSD IOV method calls into
pci_driver methods.
Reviewed by: hselasky
Sponsored by: Mellanox Technologies
MFC after: 2 weeks
Modified:
head/sys/compat/linuxkpi/common/include/linux/pci.h
head/sys/compat/linuxkpi/common/src/linux_pci.c
Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/pci.h Wed Mar 18 22:09:16
2020 (r359095)
+++ head/sys/compat/linuxkpi/common/include/linux/pci.h Wed Mar 18 22:10:49
2020 (r359096)
@@ -37,11 +37,13 @@
#include <sys/param.h>
#include <sys/bus.h>
+#include <sys/nv.h>
#include <sys/pciio.h>
#include <sys/rman.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pci_private.h>
+#include <dev/pci/pci_iov.h>
#include <machine/resource.h>
@@ -201,6 +203,11 @@ struct pci_driver {
struct device_driver driver;
const struct pci_error_handlers *err_handler;
bool isdrm;
+ int (*bsd_iov_init)(device_t dev, uint16_t num_vfs,
+ const nvlist_t *pf_config);
+ void (*bsd_iov_uninit)(device_t dev);
+ int (*bsd_iov_add_vf)(device_t dev, uint16_t vfnum,
+ const nvlist_t *vf_config);
};
struct pci_bus {
Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_pci.c Wed Mar 18 22:09:16
2020 (r359095)
+++ head/sys/compat/linuxkpi/common/src/linux_pci.c Wed Mar 18 22:10:49
2020 (r359096)
@@ -65,6 +65,9 @@ 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 pci_iov_init_t linux_pci_iov_init;
+static pci_iov_uninit_t linux_pci_iov_uninit;
+static pci_iov_add_vf_t linux_pci_iov_add_vf;
static device_method_t pci_methods[] = {
DEVMETHOD(device_probe, linux_pci_probe),
@@ -73,6 +76,9 @@ static device_method_t pci_methods[] = {
DEVMETHOD(device_suspend, linux_pci_suspend),
DEVMETHOD(device_resume, linux_pci_resume),
DEVMETHOD(device_shutdown, linux_pci_shutdown),
+ DEVMETHOD(pci_iov_init, linux_pci_iov_init),
+ DEVMETHOD(pci_iov_uninit, linux_pci_iov_uninit),
+ DEVMETHOD(pci_iov_add_vf, linux_pci_iov_add_vf),
DEVMETHOD_END
};
@@ -353,6 +359,47 @@ linux_pci_shutdown(device_t dev)
if (pdev->pdrv->shutdown != NULL)
pdev->pdrv->shutdown(pdev);
return (0);
+}
+
+static int
+linux_pci_iov_init(device_t dev, uint16_t num_vfs, const nvlist_t *pf_config)
+{
+ struct pci_dev *pdev;
+ int error;
+
+ linux_set_current(curthread);
+ pdev = device_get_softc(dev);
+ if (pdev->pdrv->bsd_iov_init != NULL)
+ error = pdev->pdrv->bsd_iov_init(dev, num_vfs, pf_config);
+ else
+ error = EINVAL;
+ return (error);
+}
+
+static void
+linux_pci_iov_uninit(device_t dev)
+{
+ struct pci_dev *pdev;
+
+ linux_set_current(curthread);
+ pdev = device_get_softc(dev);
+ if (pdev->pdrv->bsd_iov_uninit != NULL)
+ pdev->pdrv->bsd_iov_uninit(dev);
+}
+
+static int
+linux_pci_iov_add_vf(device_t dev, uint16_t vfnum, const nvlist_t *vf_config)
+{
+ struct pci_dev *pdev;
+ int error;
+
+ linux_set_current(curthread);
+ pdev = device_get_softc(dev);
+ if (pdev->pdrv->bsd_iov_add_vf != NULL)
+ error = pdev->pdrv->bsd_iov_add_vf(dev, vfnum, vf_config);
+ else
+ error = EINVAL;
+ return (error);
}
static int
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