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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 3sQGYihfFTi/MM2DcYfp3UxNzYLkXdzOlz2TgfdvzH6CTT+cb+0vIxedj97cyQa/Jc9cNcuwEMzECJccoGYNS3rRWNcyqf97vcaA4fYbixHmGy7sQd+Tci2I4fnwPPhdtQiHfNG7irSjVYlQCNAgA8at7zZtBhV+xbhUnVfAem+Cwf4WX91l3QSAPnrSp+9uDgt8dsSISiaBYkx1BhENQ6Y45R5l3HbwM4K13NETHETv1vHBtCT+siO0vsAo6sB9ZJOjw347iQsYd8vN1RTFgZctMgwaGtYJejndA26x93LrUNsjCXy4qFfy/2+zuHQAy8LGkoIKMXWFz++73eWx7RgLnhdy7AmRiRwUjHdu0T50UtddHEgcQPP3aJE2cu6/VVgOq/bthr3gZiOtHNn/+aIgXjRq+TCupYvGdqEGSfikruoKwvpi43APGttnWxoW X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jun 2026 12:40:23.9643 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 12d2c62d-35a8-48e5-c382-08ded05b6e0b X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[satlexmb08.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B077.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB8764 From: Alejandro Lucero This series adds the last bits for allowing a CXL Type2 driver to obtain a CXL region linked to the device HDM decoders committed by the BIOS, with the driver being the sfc network driver. Changes from v28: - patch 1: fix doc (Ed Cree) fix error path (Sashiko) - patch 3: removing extra + char (sashiko) - path5: remove stray change (Ed Cree) Changes from v27: - patch 1: make driver probe failing if error in efx_cxl_init (Dan) - patch 4: add unmapping if error after efx_cxl_init (Dave) - patch 4/5: move cxl_pio_initialised from patch 4 to patch 5 (Dave) Tested in the cxl_for_7.3 branch. Alejandro Lucero (5): sfc: add cxl support cxl/sfc: Map cxl regs cxl/sfc: Initialize dpa without a mailbox sfc: obtain and map cxl range using devm_cxl_probe_mem sfc: support pio mapping based on cxl drivers/cxl/core/core.h | 2 + drivers/cxl/core/mbox.c | 51 +------------ drivers/cxl/core/memdev.c | 67 ++++++++++++++++ drivers/cxl/core/pci.c | 1 + drivers/cxl/core/port.c | 1 + drivers/cxl/core/regs.c | 1 + drivers/cxl/cxlpci.h | 12 --- drivers/cxl/pci.c | 1 + drivers/net/ethernet/sfc/Kconfig | 9 +++ drivers/net/ethernet/sfc/Makefile | 1 + drivers/net/ethernet/sfc/ef10.c | 41 ++++++++-- drivers/net/ethernet/sfc/efx.c | 18 ++++- drivers/net/ethernet/sfc/efx_cxl.c | 105 ++++++++++++++++++++++++++ drivers/net/ethernet/sfc/efx_cxl.h | 32 ++++++++ drivers/net/ethernet/sfc/net_driver.h | 10 +++ drivers/net/ethernet/sfc/nic.h | 3 + include/cxl/cxl.h | 2 + include/cxl/pci.h | 22 ++++++ 18 files changed, 309 insertions(+), 70 deletions(-) create mode 100644 drivers/net/ethernet/sfc/efx_cxl.c create mode 100644 drivers/net/ethernet/sfc/efx_cxl.h create mode 100644 include/cxl/pci.h base-commit: 9b1e70e8f9ec4b5c6ce7fa774a0023bb6894c686 -- 2.34.1