Lines Matching +full:pcie +full:- +full:mem

1 .. SPDX-License-Identifier: GPL-2.0
9 CXL.mem protocol. It contains some amount of volatile memory, persistent memory,
14 range across multiple devices underneath a host-bridge or interleaved
15 across host-bridges.
20 logical device, the CXL subsystem is tasked to take PCIe and ACPI objects and
21 assemble them into a CXL.mem decode topology. The need for runtime configuration
22 of the CXL.mem topology is also similar to RAID in that different environments
26 and disable any striping in the CXL.mem topology.
29 (Linux term for the top of the CXL decode topology). From there, PCIe topology
31 Each PCIe Switch in the path between the root and an endpoint introduces a point
40 Ports. Each of those Root Ports are connected to 2-way switches with endpoints
43     # cxl list -BEMPu -b cxl_test
184 'struct cxl_port' object. A 'cxl_port' is a device that can decode CXL.mem to
185 its descendants. So "root" claims non-PCIe enumerable platform decode ranges and
192 status is metadata for CXL.mem set assembly. The CXL Port topology is enumerated
193 by the arrival of a CXL.mem device. I.e. unless and until the PCIe core attaches
195 objects. Conversely for hot-unplug / removal scenarios, there is no need for
196 the Linux PCI core to tear down switch-level CXL resources because the endpoint
197 ->remove() event cleans up the port data that was established to support that
203     # cxl list -BDMu -d root -m mem3
251 participate". A given expander can participate in multiple CXL.mem interleave
261     # cxl list -MDu -d 3.2
320 -----------------
322 .. kernel-doc:: drivers/cxl/pci.c
325 .. kernel-doc:: drivers/cxl/pci.c
328 .. kernel-doc:: drivers/cxl/mem.c
329    :doc: cxl mem
331 .. kernel-doc:: drivers/cxl/cxlmem.h
334 .. kernel-doc:: drivers/cxl/core/memdev.c
338 --------
339 .. kernel-doc:: drivers/cxl/port.c
343 --------
344 .. kernel-doc:: drivers/cxl/cxl.h
347 .. kernel-doc:: drivers/cxl/cxl.h
350 .. kernel-doc:: drivers/cxl/core/hdm.c
353 .. kernel-doc:: drivers/cxl/core/hdm.c
356 .. kernel-doc:: drivers/cxl/core/cdat.c
359 .. kernel-doc:: drivers/cxl/core/port.c
362 .. kernel-doc:: drivers/cxl/core/port.c
365 .. kernel-doc:: drivers/cxl/core/pci.c
368 .. kernel-doc:: drivers/cxl/core/pci.c
371 .. kernel-doc:: drivers/cxl/core/pmem.c
374 .. kernel-doc:: drivers/cxl/core/regs.c
377 .. kernel-doc:: drivers/cxl/core/mbox.c
381 -----------
382 .. kernel-doc:: drivers/cxl/core/region.c
385 .. kernel-doc:: drivers/cxl/core/region.c
392 -------------------
394 .. kernel-doc:: include/uapi/linux/cxl_mem.h
397 .. kernel-doc:: include/uapi/linux/cxl_mem.h