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After a region's interleave parameters (ways and granularity) are set, add a way for regions to allocate HPA (host physical address space) from the free capacity in their parent root-decoder. The allocator for this capacity reuses the 'struct resource' based allocator used for CONFIG_DEVICE_PRIVATE. Once the tuple of "ways, granularity, [uuid], and size" is set the region configuration transitions to the CXL_CONFIG_INTERLEAVE_ACTIVE state which is a precursor to allowing endpoint decoders to be added to a region. Co-developed-by: Ben Widawsky <bwidawsk@kernel.org> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/165784335630.1758207.420216490941955417.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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| .. | ||
| core | ||
| acpi.c | ||
| cxl.h | ||
| cxlmem.h | ||
| cxlpci.h | ||
| Kconfig | ||
| Makefile | ||
| mem.c | ||
| pci.c | ||
| pmem.c | ||
| port.c | ||