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The discovery table provides the generic uncore block information for the PCI type of uncore blocks, which is good enough to provide basic uncore support. The PCI BUS and DEVFN information can be retrieved from the box control field. Introduce the uncore_pci_pmus_register() to register all the PCICFG type of uncore blocks. The old PCI probe/remove way is dropped. The PCI BUS and DEVFN information are different among dies. Add box_ctls to store the box control field of each die. Add a new BUS notifier for the PCI type of uncore block to support the hotplug. If the device is "hot remove", the corresponding registered PMU has to be unregistered. Perf cannot locate the PMU by searching a const pci_device_id table, because the discovery tables don't provide such information. Introduce uncore_pci_find_dev_pmu_from_types() to search the whole uncore_pci_uncores for the PMU. Implement generic support for the PCI type of uncore block. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/1616003977-90612-5-git-send-email-kan.liang@linux.intel.com |
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