diff options
Diffstat (limited to 'drivers/cxl/pci.c')
| -rw-r--r-- | drivers/cxl/pci.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c index 18cfb7ae17a3..270d63d11e17 100644 --- a/drivers/cxl/pci.c +++ b/drivers/cxl/pci.c @@ -13,6 +13,7 @@ #include "cxlmem.h" #include "cxlpci.h" #include "cxl.h" +#include "pmu.h" /** * DOC: cxl pci @@ -825,7 +826,7 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) struct cxl_dev_state *cxlds; struct cxl_register_map map; struct cxl_memdev *cxlmd; - int rc; + int i, rc, pmu_count; /* * Double check the anonymous union trickery in struct cxl_regs @@ -919,6 +920,29 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) if (rc) return rc; + pmu_count = cxl_count_regblock(pdev, CXL_REGLOC_RBI_PMU); + for (i = 0; i < pmu_count; i++) { + struct cxl_pmu_regs pmu_regs; + + rc = cxl_find_regblock_instance(pdev, CXL_REGLOC_RBI_PMU, &map, i); + if (rc) { + dev_dbg(&pdev->dev, "Could not find PMU regblock\n"); + break; + } + + rc = cxl_map_pmu_regs(pdev, &pmu_regs, &map); + if (rc) { + dev_dbg(&pdev->dev, "Could not map PMU regs\n"); + break; + } + + rc = devm_cxl_pmu_add(cxlds->dev, &pmu_regs, cxlmd->id, i, CXL_PMU_MEMDEV); + if (rc) { + dev_dbg(&pdev->dev, "Could not add PMU instance\n"); + break; + } + } + rc = cxl_event_config(host_bridge, mds); if (rc) return rc; |