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Merge branch 'pci/resource'

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- Protect pci_reassign_bridge_resources() against concurrent
    addition/removal (Benjamin Herrenschmidt)

  - Fix bridge dma_ranges resource list cleanup (Rob Herring)

  - Add PCI_STD_NUM_BARS for the number of standard BARs (Denis Efremov)

  - Add "pci=hpmmiosize" and "pci=hpmmioprefsize" parameters to control the
    MMIO and prefetchable MMIO window sizes of hotplug bridges
    independently (Nicholas Johnson)

  - Fix MMIO/MMIO_PREF window assignment that assigned more space than
    desired (Nicholas Johnson)

  - Only enforce bus numbers from bridge EA if the bridge has EA devices
    downstream (Subbaraya Sundeep)

* pci/resource:
  PCI: Do not use bus number zero from EA capability
  PCI: Avoid double hpmemsize MMIO window assignment
  PCI: Add "pci=hpmmiosize" and "pci=hpmmioprefsize" parameters
  PCI: Add PCI_STD_NUM_BARS for the number of standard BARs
  PCI: Fix missing bridge dma_ranges resource list cleanup
  PCI: Protect pci_reassign_bridge_resources() against concurrent addition/removal
This commit is contained in:
Bjorn Helgaas
2019-11-28 08:54:36 -06:00
parent 7cfe16393c 73884a7082
commit 774800cb09
50 changed files with 195 additions and 147 deletions
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1
include/uapi/linux/pci_regs.h
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@@ -34,6 +34,7 @@
* of which the first 64 bytes are standardized as follows:
*/
#define PCI_STD_HEADER_SIZEOF 64
#define PCI_STD_NUM_BARS 6 /* Number of standard BARs */
#define PCI_VENDOR_ID 0x00 /* 16 bits */
#define PCI_DEVICE_ID 0x02 /* 16 bits */
#define PCI_COMMAND 0x04 /* 16 bits */