Messages in this thread Patch in this message | | | From | Terry Bowman <> | Subject | [PATCH v4 12/23] cxl/pci: Store the endpoint's Component Register mappings in struct cxl_dev_state | Date | Tue, 23 May 2023 18:22:03 -0500 |
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From: Robert Richter <rrichter@amd.com>
Same as for ports and dports, also store the endpoint's Component Register mappings, use struct cxl_dev_state for that.
Signed-off-by: Robert Richter <rrichter@amd.com> Signed-off-by: Terry Bowman <terry.bowman@amd.com> --- drivers/cxl/cxlmem.h | 3 ++- drivers/cxl/pci.c | 9 +++++---- 2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index a2845a7a69d8..2823c5aaf3db 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -263,6 +263,7 @@ struct cxl_poison_state { * * @dev: The device associated with this CXL state * @cxlmd: The device representing the CXL.mem capabilities of @dev + * @comp_map: component register capability mappings * @regs: Parsed register blocks * @cxl_dvsec: Offset to the PCIe device DVSEC * @rcd: operating in RCD mode (CXL 3.0 9.11.8 CXL Devices Attached to an RCH) @@ -299,7 +300,7 @@ struct cxl_poison_state { struct cxl_dev_state { struct device *dev; struct cxl_memdev *cxlmd; - + struct cxl_register_map comp_map; struct cxl_regs regs; int cxl_dvsec; diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c index 54c486cd65dd..00983770ea7b 100644 --- a/drivers/cxl/pci.c +++ b/drivers/cxl/pci.c @@ -662,15 +662,16 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) * still be useful for management functions so don't return an error. */ cxlds->component_reg_phys = CXL_RESOURCE_NONE; - rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_COMPONENT, &map); + rc = cxl_pci_setup_regs(pdev, CXL_REGLOC_RBI_COMPONENT, + &cxlds->comp_map); if (rc) dev_warn(&pdev->dev, "No component registers (%d)\n", rc); - else if (!map.component_map.ras.valid) + else if (!cxlds->comp_map.component_map.ras.valid) dev_dbg(&pdev->dev, "RAS registers not found\n"); - cxlds->component_reg_phys = map.resource; + cxlds->component_reg_phys = cxlds->comp_map.resource; - rc = cxl_map_component_regs(&map, &cxlds->regs.component, + rc = cxl_map_component_regs(&cxlds->comp_map, &cxlds->regs.component, BIT(CXL_CM_CAP_CAP_ID_RAS)); if (rc) dev_dbg(&pdev->dev, "Failed to map RAS capability.\n"); -- 2.34.1
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