Add an error isolation handler for type 3 CXL devices. The current
behavior is to log any AER information and then panic.
Signed-off-by: Ben Cheatham <Benjamin.Cheatham@xxxxxxx>
---
drivers/cxl/pci.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index 2a56936ac4f2..b0f2400c6ac9 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -900,6 +900,13 @@ static struct attribute_group cxl_rcd_group = {
};
__ATTRIBUTE_GROUPS(cxl_rcd);
+static enum cxl_err_results
+cxl_pci_isolation_handler(struct cxl_dev_state *cxlds, bool lnk_down)
+{
+ cxl_error_detected(cxlds->dev);
+ return CXL_ERR_PANIC;
+}
+
static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct pci_host_bridge *host_bridge = pci_find_host_bridge(pdev->bus);
@@ -1006,6 +1013,8 @@ static int cxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (rc)
dev_dbg(&pdev->dev, "No CXL Features discovered\n");
+ cxlds->isolation_handler = cxl_pci_isolation_handler;
+
cxlmd = devm_cxl_add_memdev(&pdev->dev, cxlds);
if (IS_ERR(cxlmd))
return PTR_ERR(cxlmd);
--
2.34.1
