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pci-v5.3-changes

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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 2019-07-15 20:44:49 -07:00
commit fb4da215ed
117 changed files with 4486 additions and 2978 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/linux/interrupt.h
View file

@ -52,7 +52,7 @@
* irq line disabled until the threaded handler has been run.
* IRQF_NO_SUSPEND - Do not disable this IRQ during suspend. Does not guarantee
* that this interrupt will wake the system from a suspended
* state. See Documentation/power/suspend-and-interrupts.txt
* state. See Documentation/power/suspend-and-interrupts.rst
* IRQF_FORCE_RESUME - Force enable it on resume even if IRQF_NO_SUSPEND is set
* IRQF_NO_THREAD - Interrupt cannot be threaded
* IRQF_EARLY_RESUME - Resume IRQ early during syscore instead of at device

29
include/linux/mod_devicetable.h
View file

@ -16,6 +16,25 @@ typedef unsigned long kernel_ulong_t;
#define PCI_ANY_ID (~0)
/**
* struct pci_device_id - PCI device ID structure
* @vendor: Vendor ID to match (or PCI_ANY_ID)
* @device: Device ID to match (or PCI_ANY_ID)
* @subvendor: Subsystem vendor ID to match (or PCI_ANY_ID)
* @subdevice: Subsystem device ID to match (or PCI_ANY_ID)
* @class: Device class, subclass, and "interface" to match.
* See Appendix D of the PCI Local Bus Spec or
* include/linux/pci_ids.h for a full list of classes.
* Most drivers do not need to specify class/class_mask
* as vendor/device is normally sufficient.
* @class_mask: Limit which sub-fields of the class field are compared.
* See drivers/scsi/sym53c8xx_2/ for example of usage.
* @driver_data: Data private to the driver.
* Most drivers don't need to use driver_data field.
* Best practice is to use driver_data as an index
* into a static list of equivalent device types,
* instead of using it as a pointer.
*/
struct pci_device_id {
__u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/
__u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */
@ -257,17 +276,17 @@ struct pcmcia_device_id {
__u16 match_flags;
__u16 manf_id;
__u16 card_id;
__u16 card_id;
__u8 func_id;
__u8 func_id;
/* for real multi-function devices */
__u8 function;
__u8 function;
/* for pseudo multi-function devices */
__u8 device_no;
__u8 device_no;
__u32 prod_id_hash[4];
__u32 prod_id_hash[4];
/* not matched against in kernelspace */
const char * prod_id[4];

7
include/linux/pci-acpi.h
View file

@ -107,9 +107,10 @@ static inline void acpiphp_check_host_bridge(struct acpi_device *adev) { }
#endif
extern const guid_t pci_acpi_dsm_guid;
#define DEVICE_LABEL_DSM 0x07
#define RESET_DELAY_DSM 0x08
#define FUNCTION_DELAY_DSM 0x09
#define IGNORE_PCI_BOOT_CONFIG_DSM 0x05
#define DEVICE_LABEL_DSM 0x07
#define RESET_DELAY_DSM 0x08
#define FUNCTION_DELAY_DSM 0x09
#else /* CONFIG_ACPI */
static inline void acpi_pci_add_bus(struct pci_bus *bus) { }

53
include/linux/pci.h
View file

@ -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.
*/

7
include/linux/pci_ids.h
View file

@ -1112,7 +1112,7 @@
#define PCI_VENDOR_ID_AL 0x10b9
#define PCI_DEVICE_ID_AL_M1533 0x1533
#define PCI_DEVICE_ID_AL_M1535 0x1535
#define PCI_DEVICE_ID_AL_M1535 0x1535
#define PCI_DEVICE_ID_AL_M1541 0x1541
#define PCI_DEVICE_ID_AL_M1563 0x1563
#define PCI_DEVICE_ID_AL_M1621 0x1621
@ -1336,6 +1336,7 @@
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP78S_SMBUS 0x0752
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP77_IDE 0x0759
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP73_SMBUS 0x07D8
#define PCI_DEVICE_ID_NVIDIA_GEFORCE_320M 0x08A0
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP79_SMBUS 0x0AA2
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP89_SATA 0x0D85
@ -1752,7 +1753,7 @@
#define PCI_VENDOR_ID_STALLION 0x124d
/* Allied Telesyn */
#define PCI_VENDOR_ID_AT 0x1259
#define PCI_VENDOR_ID_AT 0x1259
#define PCI_SUBDEVICE_ID_AT_2700FX 0x2701
#define PCI_SUBDEVICE_ID_AT_2701FX 0x2703
@ -2550,7 +2551,7 @@
#define PCI_DEVICE_ID_KORENIX_JETCARDF2 0x1700
#define PCI_DEVICE_ID_KORENIX_JETCARDF3 0x17ff
#define PCI_VENDOR_ID_HUAWEI 0x19e5
#define PCI_VENDOR_ID_HUAWEI 0x19e5
#define PCI_VENDOR_ID_NETRONOME 0x19ee
#define PCI_DEVICE_ID_NETRONOME_NFP4000 0x4000

2
include/linux/pm.h
View file

@ -271,7 +271,7 @@ typedef struct pm_message {
* actions to be performed by a device driver's callbacks generally depend on
* the platform and subsystem the device belongs to.
*
* Refer to Documentation/power/runtime_pm.txt for more information about the
* Refer to Documentation/power/runtime_pm.rst for more information about the
* role of the @runtime_suspend(), @runtime_resume() and @runtime_idle()
* callbacks in device runtime power management.
*/