diff options
| author | Alejandro Lucero <alucerop@amd.com> | 2026-06-29 19:37:26 +0100 |
|---|---|---|
| committer | Dave Jiang <dave.jiang@intel.com> | 2026-06-29 10:55:47 -0700 |
| commit | 2c599da8231ff45260d3267c6d334b80147f16c5 (patch) | |
| tree | a03bba27eadfa7d74fa7c231ff97f2e41a976973 /include | |
| parent | dc59e4fea9d83f03bad6bddf3fa2e52491777482 (diff) | |
| download | linux-2c599da8231ff45260d3267c6d334b80147f16c5.tar.gz linux-2c599da8231ff45260d3267c6d334b80147f16c5.zip | |
cxl: Support Type2 cxl regs mapping
Export cxl core functions for a Type2 driver being able to discover and
map the device registers.
Signed-off-by: Alejandro Lucero <alucerop@amd.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Ben Cheatham <benjamin.cheatham@amd.com>
Acked-by: Edward Cree <ecree.xilinx@gmail.com>
Link: https://patch.msgid.link/20260629183727.51502-2-alejandro.lucero-palau@amd.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/cxl/pci.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/cxl/pci.h b/include/cxl/pci.h new file mode 100644 index 000000000000..3e0000015871 --- /dev/null +++ b/include/cxl/pci.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright(c) 2020 Intel Corporation. All rights reserved. */ + +#ifndef __CXL_CXL_PCI_H__ +#define __CXL_CXL_PCI_H__ + +/* Register Block Identifier (RBI) */ +enum cxl_regloc_type { + CXL_REGLOC_RBI_EMPTY = 0, + CXL_REGLOC_RBI_COMPONENT, + CXL_REGLOC_RBI_VIRT, + CXL_REGLOC_RBI_MEMDEV, + CXL_REGLOC_RBI_PMU, + CXL_REGLOC_RBI_TYPES +}; + +struct cxl_register_map; +struct pci_dev; + +int cxl_pci_setup_regs(struct pci_dev *pdev, enum cxl_regloc_type type, + struct cxl_register_map *map); +#endif |