Merge tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"Enumeration changes:
- Evaluate PCI Boot Configuration _DSM to learn if firmware wants us
to preserve its resource assignments (Benjamin Herrenschmidt)
- Simplify resource distribution (Nicholas Johnson)
- Decode 32 GT/s link speed (Gustavo Pimentel)
Virtualization:
- Fix incorrect caching of VF config space size (Alex Williamson)
- Fix VF driver probing sysfs knobs (Alex Williamson)
Peer-to-peer DMA:
- Fix dma_virt_ops check (Logan Gunthorpe)
Altera host bridge driver:
- Allow building as module (Ley Foon Tan)
Armada 8K host bridge driver:
- add PHYs support (Miquel Raynal)
DesignWare host bridge driver:
- Export APIs to support removable loadable module (Vidya Sagar)
- Enable Relaxed Ordering erratum workaround only on Tegra20 &
Tegra30 (Vidya Sagar)
Hyper-V host bridge driver:
- Fix use-after-free in eject (Dexuan Cui)
Mobiveil host bridge driver:
- Clean up and fix many issues, including non-identify mapped
windows, 64-bit windows, multi-MSI, class code, INTx clearing (Hou
Zhiqiang)
Qualcomm host bridge driver:
- Use clk bulk API for 2.4.0 controllers (Bjorn Andersson)
- Add QCS404 support (Bjorn Andersson)
- Assert PERST for at least 100ms (Niklas Cassel)
R-Car host bridge driver:
- Add r8a774a1 DT support (Biju Das)
Tegra host bridge driver:
- Add support for Gen2, opportunistic UpdateFC and ACK (PCIe protocol
details) AER, GPIO-based PERST# (Manikanta Maddireddy)
- Fix many issues, including power-on failure cases, interrupt
masking in suspend, UPHY settings, AFI dynamic clock gating,
pending DLL transactions (Manikanta Maddireddy)
Xilinx host bridge driver:
- Fix NWL Multi-MSI programming (Bharat Kumar Gogada)
Endpoint support:
- Fix 64bit BAR support (Alan Mikhak)
- Fix pcitest build issues (Alan Mikhak, Andy Shevchenko)
Bug fixes:
- Fix NVIDIA GPU multi-function power dependencies (Abhishek Sahu)
- Fix NVIDIA GPU HDA enablement issue (Lukas Wunner)
- Ignore lockdep for sysfs "remove" (Marek Vasut)
Misc:
- Convert docs to reST (Changbin Du, Mauro Carvalho Chehab)"
* tag 'pci-v5.3-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (107 commits)
PCI: Enable NVIDIA HDA controllers
tools: PCI: Fix installation when `make tools/pci_install`
PCI: dwc: pci-dra7xx: Fix compilation when !CONFIG_GPIOLIB
PCI: Fix typos and whitespace errors
PCI: mobiveil: Fix INTx interrupt clearing in mobiveil_pcie_isr()
PCI: mobiveil: Fix infinite-loop in the INTx handling function
PCI: mobiveil: Move PCIe PIO enablement out of inbound window routine
PCI: mobiveil: Add upper 32-bit PCI base address setup in inbound window
PCI: mobiveil: Add upper 32-bit CPU base address setup in outbound window
PCI: mobiveil: Mask out hardcoded bits in inbound/outbound windows setup
PCI: mobiveil: Clear the control fields before updating it
PCI: mobiveil: Add configured inbound windows counter
PCI: mobiveil: Fix the valid check for inbound and outbound windows
PCI: mobiveil: Clean-up program_{ib/ob}_windows()
PCI: mobiveil: Remove an unnecessary return value check
PCI: mobiveil: Fix error return values
PCI: mobiveil: Refactor the MEM/IO outbound window initialization
PCI: mobiveil: Make some register updates more readable
PCI: mobiveil: Reformat the code for readability
dt-bindings: PCI: mobiveil: Change gpio_slave and apb_csr to optional
...
This commit is contained in:
Linus Torvalds
@@ -151,6 +151,8 @@ static inline const char *pci_power_name(pci_power_t state)
|
||||
#define PCI_PM_BUS_WAIT 50
|
||||
|
||||
/**
|
||||
* typedef pci_channel_state_t
|
||||
*
|
||||
* The pci_channel state describes connectivity between the CPU and
|
||||
* the PCI device. If some PCI bus between here and the PCI device
|
||||
* has crashed or locked up, this info is reflected here.
|
||||
@@ -258,6 +260,7 @@ enum pci_bus_speed {
|
||||
PCIE_SPEED_5_0GT = 0x15,
|
||||
PCIE_SPEED_8_0GT = 0x16,
|
||||
PCIE_SPEED_16_0GT = 0x17,
|
||||
PCIE_SPEED_32_0GT = 0x18,
|
||||
PCI_SPEED_UNKNOWN = 0xff,
|
||||
};
|
||||
|
||||
@@ -383,7 +386,7 @@ struct pci_dev {
|
||||
|
||||
unsigned int is_busmaster:1; /* Is busmaster */
|
||||
unsigned int no_msi:1; /* May not use MSI */
|
||||
unsigned int no_64bit_msi:1; /* May only use 32-bit MSIs */
|
||||
unsigned int no_64bit_msi:1; /* May only use 32-bit MSIs */
|
||||
unsigned int block_cfg_access:1; /* Config space access blocked */
|
||||
unsigned int broken_parity_status:1; /* Generates false positive parity */
|
||||
unsigned int irq_reroute_variant:2; /* Needs IRQ rerouting variant */
|
||||
@@ -506,6 +509,8 @@ struct pci_host_bridge {
|
||||
unsigned int native_shpc_hotplug:1; /* OS may use SHPC hotplug */
|
||||
unsigned int native_pme:1; /* OS may use PCIe PME */
|
||||
unsigned int native_ltr:1; /* OS may use PCIe LTR */
|
||||
unsigned int preserve_config:1; /* Preserve FW resource setup */
|
||||
|
||||
/* Resource alignment requirements */
|
||||
resource_size_t (*align_resource)(struct pci_dev *dev,
|
||||
const struct resource *res,
|
||||
@@ -776,6 +781,50 @@ struct pci_error_handlers {
|
||||
|
||||
|
||||
struct module;
|
||||
|
||||
/**
|
||||
* struct pci_driver - PCI driver structure
|
||||
* @node: List of driver structures.
|
||||
* @name: Driver name.
|
||||
* @id_table: Pointer to table of device IDs the driver is
|
||||
* interested in. Most drivers should export this
|
||||
* table using MODULE_DEVICE_TABLE(pci,...).
|
||||
* @probe: This probing function gets called (during execution
|
||||
* of pci_register_driver() for already existing
|
||||
* devices or later if a new device gets inserted) for
|
||||
* all PCI devices which match the ID table and are not
|
||||
* "owned" by the other drivers yet. This function gets
|
||||
* passed a "struct pci_dev \*" for each device whose
|
||||
* entry in the ID table matches the device. The probe
|
||||
* function returns zero when the driver chooses to
|
||||
* take "ownership" of the device or an error code
|
||||
* (negative number) otherwise.
|
||||
* The probe function always gets called from process
|
||||
* context, so it can sleep.
|
||||
* @remove: The remove() function gets called whenever a device
|
||||
* being handled by this driver is removed (either during
|
||||
* deregistration of the driver or when it's manually
|
||||
* pulled out of a hot-pluggable slot).
|
||||
* The remove function always gets called from process
|
||||
* context, so it can sleep.
|
||||
* @suspend: Put device into low power state.
|
||||
* @suspend_late: Put device into low power state.
|
||||
* @resume_early: Wake device from low power state.
|
||||
* @resume: Wake device from low power state.
|
||||
* (Please see Documentation/power/pci.rst for descriptions
|
||||
* of PCI Power Management and the related functions.)
|
||||
* @shutdown: Hook into reboot_notifier_list (kernel/sys.c).
|
||||
* Intended to stop any idling DMA operations.
|
||||
* Useful for enabling wake-on-lan (NIC) or changing
|
||||
* the power state of a device before reboot.
|
||||
* e.g. drivers/net/e100.c.
|
||||
* @sriov_configure: Optional driver callback to allow configuration of
|
||||
* number of VFs to enable via sysfs "sriov_numvfs" file.
|
||||
* @err_handler: See Documentation/PCI/pci-error-recovery.rst
|
||||
* @groups: Sysfs attribute groups.
|
||||
* @driver: Driver model structure.
|
||||
* @dynids: List of dynamically added device IDs.
|
||||
*/
|
||||
struct pci_driver {
|
||||
struct list_head node;
|
||||
const char *name;
|
||||
@@ -2207,7 +2256,7 @@ static inline u8 pci_vpd_srdt_tag(const u8 *srdt)
|
||||
|
||||
/**
|
||||
* pci_vpd_info_field_size - Extracts the information field length
|
||||
* @lrdt: Pointer to the beginning of an information field header
|
||||
* @info_field: Pointer to the beginning of an information field header
|
||||
*
|
||||
* Returns the extracted information field length.
|
||||
*/
|
||||
|
||||
Reference in New Issue
Block a user