*/
#define VAS_FAULT_WIN_FIFO_SIZE (4 << 20)
+static void dump_crb(struct coprocessor_request_block *crb)
+{
+ struct data_descriptor_entry *dde;
+ struct nx_fault_stamp *nx;
+
+ dde = &crb->source;
+ pr_devel("SrcDDE: addr 0x%llx, len %d, count %d, idx %d, flags %d\n",
+ be64_to_cpu(dde->address), be32_to_cpu(dde->length),
+ dde->count, dde->index, dde->flags);
+
+ dde = &crb->target;
+ pr_devel("TgtDDE: addr 0x%llx, len %d, count %d, idx %d, flags %d\n",
+ be64_to_cpu(dde->address), be32_to_cpu(dde->length),
+ dde->count, dde->index, dde->flags);
+
+ nx = &crb->stamp.nx;
+ pr_devel("NX Stamp: PSWID 0x%x, FSA 0x%llx, flags 0x%x, FS 0x%x\n",
+ be32_to_cpu(nx->pswid),
+ be64_to_cpu(crb->stamp.nx.fault_storage_addr),
+ nx->flags, nx->fault_status);
+}
+
/*
* Update the CSB to indicate a translation error.
*
pid_vnr(pid), rc);
}
+static void dump_fifo(struct vas_instance *vinst, void *entry)
+{
+ unsigned long *end = vinst->fault_fifo + vinst->fault_fifo_size;
+ unsigned long *fifo = entry;
+ int i;
+
+ pr_err("Fault fifo size %d, Max crbs %d\n", vinst->fault_fifo_size,
+ vinst->fault_fifo_size / CRB_SIZE);
+
+ /* Dump 10 CRB entries or until end of FIFO */
+ pr_err("Fault FIFO Dump:\n");
+ for (i = 0; i < 10*(CRB_SIZE/8) && fifo < end; i += 4, fifo += 4) {
+ pr_err("[%.3d, %p]: 0x%.16lx 0x%.16lx 0x%.16lx 0x%.16lx\n",
+ i, fifo, *fifo, *(fifo+1), *(fifo+2), *(fifo+3));
+ }
+}
+
/*
* Process valid CRBs in fault FIFO.
* NX process user space requests, return credit and update the status
vinst->vas_id, vinst->fault_fifo, fifo,
vinst->fault_crbs);
+ dump_crb(crb);
window = vas_pswid_to_window(vinst,
be32_to_cpu(crb->stamp.nx.pswid));
* But we should not get here.
* TODO: Disable IRQ.
*/
+ dump_fifo(vinst, (void *)entry);
pr_err("VAS[%d] fault_fifo %p, fifo %p, pswid 0x%x, fault_crbs %d bad CRB?\n",
vinst->vas_id, vinst->fault_fifo, fifo,
be32_to_cpu(crb->stamp.nx.pswid),