linux-kernel - [PATCH 0/5] cxl: Some preparation work for type2 accelerators support

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Message-Id: <20241015065713.308671-1-ying.huang@intel.com>
Date: Tue, 15 Oct 2024 14:57:08 +0800
From: Huang Ying <ying.huang@...el.com>
To: Dan Williams <dan.j.williams@...el.com>,
	Dave Jiang <dave.jiang@...el.com>
Cc: linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Huang Ying <ying.huang@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Alejandro Lucero <alucerop@....com>,
	Gregory Price <gourry@...rry.net>,
	Ben Cheatham <benjamin.cheatham@....com>
Subject: [PATCH 0/5] cxl: Some preparation work for type2 accelerators support

This series implement some preparation work for the type2 accelerators
support.

We have tested the series with cxl_test via mocking a type2
accelerator as in [1].  Because we need more type2 accelerators
support to simulate a type2 device, we don't include the cxl_test
patch in the series.

[1] https://lore.kernel.org/linux-cxl/168592149709.1948938.8663425987110396027.stgit@dwillia2-xfh.jf.intel.com/

Changes:

RFC->v1:

- Collected Reviewed-by, Thanks Davidlohr and Gregory.

- Some minor fixes, Thanks Ben and others

- Thanks Jonathan to suggest to revise type2/type3 and coherence naming.

- Rebased to latest upstream

- Link to RFC: https://lore.kernel.org/linux-cxl/20240925024647.46735-1-ying.huang@intel.com/

Huang Ying (5):
  cxl: Rename ACPI_CEDT_CFMWS_RESTRICT_TYPE2/TYPE3
  cxl: Rename CXL_DECODER_HOSTONLYMEM/DEVMEM
  cxl: Separate coherence from target type
  cxl: Set type of region to that of the first endpoint
  cxl: Avoid to create dax regions for type2 accelerators

 drivers/cxl/acpi.c           |  9 +++---
 drivers/cxl/core/hdm.c       | 38 +++++++++++++----------
 drivers/cxl/core/mbox.c      |  1 +
 drivers/cxl/core/port.c      | 17 ++++++-----
 drivers/cxl/core/region.c    | 58 ++++++++++++++++++++++++++++++------
 drivers/cxl/cxl.h            | 29 ++++++++++++------
 drivers/cxl/cxlmem.h         | 12 ++++++++
 include/acpi/actbl1.h        | 10 +++----
 tools/testing/cxl/test/cxl.c | 24 +++++++--------
 9 files changed, 135 insertions(+), 63 deletions(-)

Best Regards,
Huang, Ying