diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2023-02-14 22:41:30 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2023-02-15 02:45:21 +0300 |
| commit | 4474ce565ee4490fb4e6d8443b617a9d98ae10ff (patch) | |
| tree | 6e95405cb64326700e8af5863425cc9e4ce494d7 /tools/testing/cxl/test/cxl.c | |
| parent | b777e9bec960a29374dc486d47784c73b7ac4cef (diff) | |
| download | linux-4474ce565ee4490fb4e6d8443b617a9d98ae10ff.tar.xz | |
cxl/hdm: Create emulated cxl_hdm for devices that do not have HDM decoders
CXL rev3 spec 8.1.3
RCDs may not have HDM register blocks. Create a fake HDM with information
from the CXL PCIe DVSEC registers. The decoder count will be set to the
HDM count retrieved from the DVSEC cap register.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/167640368994.935665.15831225724059704620.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'tools/testing/cxl/test/cxl.c')
| -rw-r--r-- | tools/testing/cxl/test/cxl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/cxl/test/cxl.c b/tools/testing/cxl/test/cxl.c index 3b4916adf29c..94197abd44aa 100644 --- a/tools/testing/cxl/test/cxl.c +++ b/tools/testing/cxl/test/cxl.c @@ -618,7 +618,8 @@ static struct acpi_pci_root *mock_acpi_pci_find_root(acpi_handle handle) return &mock_pci_root[host_bridge_index(adev)]; } -static struct cxl_hdm *mock_cxl_setup_hdm(struct cxl_port *port) +static struct cxl_hdm *mock_cxl_setup_hdm(struct cxl_port *port, + struct cxl_endpoint_dvsec_info *info) { struct cxl_hdm *cxlhdm = devm_kzalloc(&port->dev, sizeof(*cxlhdm), GFP_KERNEL); |