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Differential D30558 Diff 91070 sys/compat/linuxkpi/common/src/linux_pci.c

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sys/compat/linuxkpi/common/src/linux_pci.c

/*- /*-
* Copyright (c) 2015-2016 Mellanox Technologies, Ltd. * Copyright (c) 2015-2016 Mellanox Technologies, Ltd.
* All rights reserved. * All rights reserved.
* Copyright (c) 2020-2021 The FreeBSD Foundation
* *
* Portions of this software were developed by Björn Zeeb
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions * modification, are permitted provided that the following conditions
* are met: * are met:
* 1. Redistributions of source code must retain the above copyright * 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following * notice unmodified, this list of conditions, and the following
* disclaimer. * disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright * 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the * notice, this list of conditions and the following disclaimer in the
▲ Show 20 Lines • Show All 212 Lines • ▼ Show 20 Lineslkpifill_pci_dev(device_t dev, struct pci_dev *pdev)
pdev->class = pci_get_class(dev); pdev->class = pci_get_class(dev);
pdev->revision = pci_get_revid(dev); pdev->revision = pci_get_revid(dev);
pdev->bus = malloc(sizeof(*pdev->bus), M_DEVBUF, M_WAITOK | M_ZERO); pdev->bus = malloc(sizeof(*pdev->bus), M_DEVBUF, M_WAITOK | M_ZERO);
pdev->bus->self = pdev; pdev->bus->self = pdev;
pdev->bus->number = pci_get_bus(dev); pdev->bus->number = pci_get_bus(dev);
pdev->bus->domain = pci_get_domain(dev); pdev->bus->domain = pci_get_domain(dev);
pdev->dev.bsddev = dev; pdev->dev.bsddev = dev;
pdev->dev.parent = &linux_root_device; pdev->dev.parent = &linux_root_device;
pdev->dev.release = lkpi_pci_dev_release;
INIT_LIST_HEAD(&pdev->dev.irqents); INIT_LIST_HEAD(&pdev->dev.irqents);
kobject_init(&pdev->dev.kobj, &linux_dev_ktype); kobject_init(&pdev->dev.kobj, &linux_dev_ktype);
kobject_set_name(&pdev->dev.kobj, device_get_nameunit(dev)); kobject_set_name(&pdev->dev.kobj, device_get_nameunit(dev));
kobject_add(&pdev->dev.kobj, &linux_root_device.kobj, kobject_add(&pdev->dev.kobj, &linux_root_device.kobj,
kobject_name(&pdev->dev.kobj)); kobject_name(&pdev->dev.kobj));
spin_lock_init(&pdev->dev.devres_lock); spin_lock_init(&pdev->dev.devres_lock);
INIT_LIST_HEAD(&pdev->dev.devres_head); INIT_LIST_HEAD(&pdev->dev.devres_head);
} }
▲ Show 20 Lines • Show All 50 Lines • ▼ Show 20 Lineslkpi_pci_get_domain_bus_and_slot(int domain, unsigned int bus,
dev = pci_find_dbsf(domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); dev = pci_find_dbsf(domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn));
if (dev == NULL) if (dev == NULL)
return (NULL); return (NULL);
pdev = lkpinew_pci_dev(dev); pdev = lkpinew_pci_dev(dev);
return (pdev); return (pdev);
} }
static void
lkpi_pci_dev_release(struct device *dev)
{
lkpi_devres_release_free_list(dev);
spin_lock_destroy(&dev->devres_lock);
}
static int static int
linux_pci_probe(device_t dev) linux_pci_probe(device_t dev)
{ {
const struct pci_device_id *id; const struct pci_device_id *id;
struct pci_driver *pdrv; struct pci_driver *pdrv;
if ((pdrv = linux_pci_find(dev, &id)) == NULL) if ((pdrv = linux_pci_find(dev, &id)) == NULL)
return (ENXIO); return (ENXIO);
Show All 37 Lineslinux_pci_attach_device(device_t dev, struct pci_driver *pdrv,
if (isdrm) { if (isdrm) {
struct pci_devinfo *dinfo; struct pci_devinfo *dinfo;
dinfo = device_get_ivars(parent); dinfo = device_get_ivars(parent);
device_set_ivars(dev, dinfo); device_set_ivars(dev, dinfo);
} }
lkpifill_pci_dev(dev, pdev); lkpifill_pci_dev(dev, pdev);
if (isdrm) if (isdrm)
hselaskyUnsubmitted
Done
Inline Actions

Factor this line into the lkpifill_pci_dev() function ?

hselasky: Factor this line into the lkpifill_pci_dev() function ?
bzAuthorUnsubmitted
Done
Inline Actions

Done. I just need to find the other change adding the 2nd case of this assignment and sort it there as well then.

bz: Done. I just need to find the other change adding the 2nd case of this assignment and sort it…
PCI_GET_ID(device_get_parent(parent), parent, PCI_ID_RID, &rid); PCI_GET_ID(device_get_parent(parent), parent, PCI_ID_RID, &rid);
else else
PCI_GET_ID(parent, dev, PCI_ID_RID, &rid); PCI_GET_ID(parent, dev, PCI_ID_RID, &rid);
pdev->devfn = rid; pdev->devfn = rid;
pdev->pdrv = pdrv; pdev->pdrv = pdrv;
rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 0); rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 0);
if (rle != NULL) if (rle != NULL)
pdev->dev.irq = rle->start; pdev->dev.irq = rle->start;
▲ Show 20 Lines • Show All 57 Lines • ▼ Show 20 Lineslinux_pci_detach_device(struct pci_dev *pdev)
linux_pdev_dma_uninit(pdev); linux_pdev_dma_uninit(pdev);
spin_lock(&pci_lock); spin_lock(&pci_lock);
list_del(&pdev->links); list_del(&pdev->links);
spin_unlock(&pci_lock); spin_unlock(&pci_lock);
put_device(&pdev->dev); put_device(&pdev->dev);
return (0); return (0);
}
static int
lkpi_pci_disable_dev(struct device *dev)
{
(void) pci_disable_io(dev->bsddev, SYS_RES_MEMORY);
hselaskyUnsubmitted
Done
Inline Actions

Disable busmaster too?

hselasky: Disable busmaster too?
bzAuthorUnsubmitted
Done
Inline Actions

pcim_enable_device() doesn't track that; and not under "enable_io". This is merely the private opposite of pci_enable_device().

bz: pcim_enable_device() doesn't track that; and not under "enable_io". This is merely the…
(void) pci_disable_io(dev->bsddev, SYS_RES_IOPORT);
return (0);
}
void
lkpi_pci_devres_release(struct device *dev, void *p)
{
struct pci_devres *dr;
struct pci_dev *pdev;
int bar;
pdev = to_pci_dev(dev);
dr = p;
if (pdev->msix_enabled)
lkpi_pci_disable_msix(pdev);
if (pdev->msi_enabled)
lkpi_pci_disable_msi(pdev);
if (dr->enable_io && lkpi_pci_disable_dev(dev) == 0)
dr->enable_io = false;
if (dr->region_mask == 0)
return;
for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) {
if ((dr->region_mask & (1 << bar)) == 0)
continue;
pci_release_region(pdev, bar);
}
}
void
lkpi_pcim_iomap_table_release(struct device *dev, void *p)
{
struct pcim_iomap_devres *dr;
struct pci_dev *pdev;
int bar;
dr = p;
pdev = to_pci_dev(dev);
for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) {
if (dr->mmio_table[bar] == NULL)
continue;
pci_iounmap(pdev, dr->mmio_table[bar]);
}
} }
static int static int
linux_pci_suspend(device_t dev) linux_pci_suspend(device_t dev)
{ {
const struct dev_pm_ops *pmops; const struct dev_pm_ops *pmops;
struct pm_message pm = { }; struct pm_message pm = { };
struct pci_dev *pdev; struct pci_dev *pdev;
▲ Show 20 Lines • Show All 690 Lines • Show Last 20 Lines