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pci-v4.15-changes

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Merge tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:

  - detach driver before tearing down procfs/sysfs (Alex Williamson)

  - disable PCIe services during shutdown (Sinan Kaya)

  - fix ASPM oops on systems with no Root Ports (Ard Biesheuvel)

  - fix ASPM LTR_L1.2_THRESHOLD programming (Bjorn Helgaas)

  - fix ASPM Common_Mode_Restore_Time computation (Bjorn Helgaas)

  - fix portdrv MSI/MSI-X vector allocation (Dongdong Liu, Bjorn
    Helgaas)

  - report non-fatal AER errors only to the affected endpoint (Gabriele
    Paoloni)

  - distribute bus numbers, MMIO, and I/O space among hotplug bridges to
    allow more devices to be hot-added (Mika Westerberg)

  - fix pciehp races during initialization and surprise link down (Mika
    Westerberg)

  - handle surprise-removed devices in PME handling (Qiang)

  - support resizable BARs for large graphics devices (Christian König)

  - expose SR-IOV offset, stride, and VF device ID via sysfs (Filippo
    Sironi)

  - create SR-IOV virtfn/physfn sysfs links before attaching driver
    (Stuart Hayes)

  - fix SR-IOV "ARI Capable Hierarchy" restore issue (Tony Nguyen)

  - enforce Kconfig IOV/REALLOC dependency (Sascha El-Sharkawy)

  - avoid slot reset if bridge itself is broken (Jan Glauber)

  - clean up pci_reset_function() path (Jan H. Schönherr)

  - make pci_map_rom() fail if the option ROM is invalid (Changbin Du)

  - convert timers to timer_setup() (Kees Cook)

  - move PCI_QUIRKS to PCI bus Kconfig menu (Randy Dunlap)

  - constify pci_dev_type and intel_mid_pci_ops (Bhumika Goyal)

  - remove unnecessary pci_dev, pci_bus, resource, pcibios_set_master()
    declarations (Bjorn Helgaas)

  - fix endpoint framework overflows and BUG()s (Dan Carpenter)

  - fix endpoint framework issues (Kishon Vijay Abraham I)

  - avoid broken Cavium CN8xxx bus reset behavior (David Daney)

  - extend Cavium ACS capability quirks (Vadim Lomovtsev)

  - support Synopsys DesignWare RC in ECAM mode (Ard Biesheuvel)

  - turn off dra7xx clocks cleanly on shutdown (Keerthy)

  - fix Faraday probe error path (Wei Yongjun)

  - support HiSilicon STB SoC PCIe host controller (Jianguo Sun)

  - fix Hyper-V interrupt affinity issue (Dexuan Cui)

  - remove useless ACPI warning for Hyper-V pass-through devices (Vitaly
    Kuznetsov)

  - support multiple MSI on iProc (Sandor Bodo-Merle)

  - support Layerscape LS1012a and LS1046a PCIe host controllers (Hou
    Zhiqiang)

  - fix Layerscape default error response (Minghuan Lian)

  - support MSI on Tango host controller (Marc Gonzalez)

  - support Tegra186 PCIe host controller (Manikanta Maddireddy)

  - use generic accessors on Tegra when possible (Thierry Reding)

  - support V3 Semiconductor PCI host controller (Linus Walleij)

* tag 'pci-v4.15-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (85 commits)
  PCI/ASPM: Add L1 Substates definitions
  PCI/ASPM: Reformat ASPM register definitions
  PCI/ASPM: Use correct capability pointer to program LTR_L1.2_THRESHOLD
  PCI/ASPM: Account for downstream device's Port Common_Mode_Restore_Time
  PCI: xgene: Rename xgene_pcie_probe_bridge() to xgene_pcie_probe()
  PCI: xilinx: Rename xilinx_pcie_link_is_up() to xilinx_pcie_link_up()
  PCI: altera: Rename altera_pcie_link_is_up() to altera_pcie_link_up()
  PCI: Fix kernel-doc build warning
  PCI: Fail pci_map_rom() if the option ROM is invalid
  PCI: Move pci_map_rom() error path
  PCI: Move PCI_QUIRKS to the PCI bus menu
  alpha/PCI: Make pdev_save_srm_config() static
  PCI: Remove unused declarations
  PCI: Remove redundant pci_dev, pci_bus, resource declarations
  PCI: Remove redundant pcibios_set_master() declarations
  PCI/PME: Handle invalid data when reading Root Status
  PCI: hv: Use effective affinity mask
  PCI: pciehp: Do not clear Presence Detect Changed during initialization
  PCI: pciehp: Fix race condition handling surprise link down
  PCI: Distribute available resources to hotplug-capable bridges
  ...
This commit is contained in:
Linus Torvalds 2017-11-15 15:01:28 -08:00
commit 1b6115fbe3
87 changed files with 3458 additions and 576 deletions
Download patch file Download diff file Expand all files Collapse all files

16
include/linux/pci.h
View file

@ -592,6 +592,10 @@ static inline bool pci_is_bridge(struct pci_dev *dev)
dev->hdr_type == PCI_HEADER_TYPE_CARDBUS;
}
#define for_each_pci_bridge(dev, bus) \
list_for_each_entry(dev, &bus->devices, bus_list) \
if (!pci_is_bridge(dev)) {} else
static inline struct pci_dev *pci_upstream_bridge(struct pci_dev *dev)
{
dev = pci_physfn(dev);
@ -1085,7 +1089,6 @@ int pcie_set_mps(struct pci_dev *dev, int mps);
int pcie_get_minimum_link(struct pci_dev *dev, enum pci_bus_speed *speed,
enum pcie_link_width *width);
void pcie_flr(struct pci_dev *dev);
int __pci_reset_function(struct pci_dev *dev);
int __pci_reset_function_locked(struct pci_dev *dev);
int pci_reset_function(struct pci_dev *dev);
int pci_reset_function_locked(struct pci_dev *dev);
@ -1102,6 +1105,8 @@ void pci_reset_bridge_secondary_bus(struct pci_dev *dev);
void pci_update_resource(struct pci_dev *dev, int resno);
int __must_check pci_assign_resource(struct pci_dev *dev, int i);
int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align);
void pci_release_resource(struct pci_dev *dev, int resno);
int __must_check pci_resize_resource(struct pci_dev *dev, int i, int size);
int pci_select_bars(struct pci_dev *dev, unsigned long flags);
bool pci_device_is_present(struct pci_dev *pdev);
void pci_ignore_hotplug(struct pci_dev *dev);
@ -1181,6 +1186,7 @@ void pci_assign_unassigned_resources(void);
void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge);
void pci_assign_unassigned_bus_resources(struct pci_bus *bus);
void pci_assign_unassigned_root_bus_resources(struct pci_bus *bus);
int pci_reassign_bridge_resources(struct pci_dev *bridge, unsigned long type);
void pdev_enable_device(struct pci_dev *);
int pci_enable_resources(struct pci_dev *, int mask);
void pci_assign_irq(struct pci_dev *dev);
@ -1954,8 +1960,8 @@ int pci_iov_virtfn_devfn(struct pci_dev *dev, int id);
int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
void pci_disable_sriov(struct pci_dev *dev);
int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset);
void pci_iov_remove_virtfn(struct pci_dev *dev, int id, int reset);
int pci_iov_add_virtfn(struct pci_dev *dev, int id);
void pci_iov_remove_virtfn(struct pci_dev *dev, int id);
int pci_num_vf(struct pci_dev *dev);
int pci_vfs_assigned(struct pci_dev *dev);
int pci_sriov_set_totalvfs(struct pci_dev *dev, u16 numvfs);
@ -1972,12 +1978,12 @@ static inline int pci_iov_virtfn_devfn(struct pci_dev *dev, int id)
}
static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
{ return -ENODEV; }
static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset)
static inline int pci_iov_add_virtfn(struct pci_dev *dev, int id)
{
return -ENOSYS;
}
static inline void pci_iov_remove_virtfn(struct pci_dev *dev,
int id, int reset) { }
int id) { }
static inline void pci_disable_sriov(struct pci_dev *dev) { }
static inline int pci_num_vf(struct pci_dev *dev) { return 0; }
static inline int pci_vfs_assigned(struct pci_dev *dev)