struct feature_fme_err *fme_err
= get_fme_feature_ioaddr_by_index(fme,
FME_FEATURE_ID_GLOBAL_ERR);
- struct feature_fme_error0 fme_error0;
- struct feature_fme_first_error fme_first_err;
- struct feature_fme_next_error fme_next_err;
- int ret = 0;
spinlock_lock(&fme->lock);
- writeq(FME_ERROR0_MASK, &fme_err->fme_err_mask);
-
- fme_error0.csr = readq(&fme_err->fme_err);
- if (val != fme_error0.csr) {
- ret = -EBUSY;
- goto exit;
- }
-
- fme_first_err.csr = readq(&fme_err->fme_first_err);
- fme_next_err.csr = readq(&fme_err->fme_next_err);
- writeq(fme_error0.csr & FME_ERROR0_MASK, &fme_err->fme_err);
- writeq(fme_first_err.csr & FME_FIRST_ERROR_MASK,
- &fme_err->fme_first_err);
- writeq(fme_next_err.csr & FME_NEXT_ERROR_MASK,
- &fme_err->fme_next_err);
+ writeq(val, &fme_err->fme_err);
-exit:
- writeq(FME_ERROR0_MASK_DEFAULT, &fme_err->fme_err_mask);
spinlock_unlock(&fme->lock);
- return ret;
+ return 0;
}
static int fme_err_get_revision(struct ifpga_fme_hw *fme, u64 *val)
UNUSED(feature);
}
+static int fme_err_check_seu(struct feature_fme_err *fme_err)
+{
+ struct feature_fme_error_capability error_cap;
+
+ error_cap.csr = readq(&fme_err->fme_err_capability);
+
+ return error_cap.seu_support ? 1 : 0;
+}
+
+static int fme_err_get_seu_emr(struct ifpga_fme_hw *fme,
+ u64 *val, bool high)
+{
+ struct feature_fme_err *fme_err
+ = get_fme_feature_ioaddr_by_index(fme,
+ FME_FEATURE_ID_GLOBAL_ERR);
+
+ if (!fme_err_check_seu(fme_err))
+ return -ENODEV;
+
+ if (high)
+ *val = readq(&fme_err->seu_emr_h);
+ else
+ *val = readq(&fme_err->seu_emr_l);
+
+ return 0;
+}
+
static int fme_err_fme_err_get_prop(struct ifpga_feature *feature,
struct feature_prop *prop)
{
return fme_err_get_first_error(fme, &prop->data);
case 0x3: /* NEXT_ERROR */
return fme_err_get_next_error(fme, &prop->data);
+ case 0x5: /* SEU EMR LOW */
+ return fme_err_get_seu_emr(fme, &prop->data, 0);
+ case 0x6: /* SEU EMR HIGH */
+ return fme_err_get_seu_emr(fme, &prop->data, 1);
}
return -ENOENT;
return -ENOENT;
}
+static int fme_global_err_set_irq(struct ifpga_feature *feature, void *irq_set)
+{
+ struct fpga_fme_err_irq_set *err_irq_set = irq_set;
+ struct ifpga_fme_hw *fme;
+ int ret;
+
+ fme = (struct ifpga_fme_hw *)feature->parent;
+
+ if (!(fme->capability & FPGA_FME_CAP_ERR_IRQ))
+ return -ENODEV;
+
+ spinlock_lock(&fme->lock);
+ ret = fpga_msix_set_block(feature, 0, 1, &err_irq_set->evtfd);
+ spinlock_unlock(&fme->lock);
+
+ return ret;
+}
+
struct ifpga_feature_ops fme_global_err_ops = {
.init = fme_global_error_init,
.uinit = fme_global_error_uinit,
.get_prop = fme_global_error_get_prop,
.set_prop = fme_global_error_set_prop,
+ .set_irq = fme_global_err_set_irq,
};