1 files changed, 29 insertions, 3 deletions

diff --git a/drivers/misc/cxl/irq.c b/drivers/misc/cxl/irq.c
index 8def4553acba..dec60f58a767 100644
--- a/drivers/misc/cxl/irq.c
+++ b/drivers/misc/cxl/irq.c
@@ -260,9 +260,6 @@ int afu_allocate_irqs(struct cxl_context *ctx, u32 count)
         else
                 alloc_count = count + 1;
 
-        /* Initialize the list head to hold irq names */
-        INIT_LIST_HEAD(&ctx->irq_names);
-
         if ((rc = cxl_ops->alloc_irq_ranges(&ctx->irqs, ctx->afu->adapter,
                                                         alloc_count)))
                 return rc;
@@ -374,3 +371,32 @@ void afu_release_irqs(struct cxl_context *ctx, void *cookie)
 
         ctx->irq_count = 0;
 }
+
+void cxl_afu_decode_psl_serr(struct cxl_afu *afu, u64 serr)
+{
+        dev_crit(&afu->dev,
+                 "PSL Slice error received. Check AFU for root cause.\n");
+        dev_crit(&afu->dev, "PSL_SERR_An: 0x%016llx\n", serr);
+        if (serr & CXL_PSL_SERR_An_afuto)
+                dev_crit(&afu->dev, "AFU MMIO Timeout\n");
+        if (serr & CXL_PSL_SERR_An_afudis)
+                dev_crit(&afu->dev,
+                         "MMIO targeted Accelerator that was not enabled\n");
+        if (serr & CXL_PSL_SERR_An_afuov)
+                dev_crit(&afu->dev, "AFU CTAG Overflow\n");
+        if (serr & CXL_PSL_SERR_An_badsrc)
+                dev_crit(&afu->dev, "Bad Interrupt Source\n");
+        if (serr & CXL_PSL_SERR_An_badctx)
+                dev_crit(&afu->dev, "Bad Context Handle\n");
+        if (serr & CXL_PSL_SERR_An_llcmdis)
+                dev_crit(&afu->dev, "LLCMD to Disabled AFU\n");
+        if (serr & CXL_PSL_SERR_An_llcmdto)
+                dev_crit(&afu->dev, "LLCMD Timeout to AFU\n");
+        if (serr & CXL_PSL_SERR_An_afupar)
+                dev_crit(&afu->dev, "AFU MMIO Parity Error\n");
+        if (serr & CXL_PSL_SERR_An_afudup)
+                dev_crit(&afu->dev, "AFU MMIO Duplicate CTAG Error\n");
+        if (serr & CXL_PSL_SERR_An_AE)
+                dev_crit(&afu->dev,
+                         "AFU asserted JDONE with JERROR in AFU Directed Mode\n");
+}