--- zzzz-none-000/linux-3.10.107/arch/tile/gxio/iorpc_trio.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/tile/gxio/iorpc_trio.c	2021-02-04 17:41:59.000000000 +0000
@@ -21,7 +21,7 @@
 	unsigned int flags;
 };
 
-int gxio_trio_alloc_asids(gxio_trio_context_t * context, unsigned int count,
+int gxio_trio_alloc_asids(gxio_trio_context_t *context, unsigned int count,
 			  unsigned int first, unsigned int flags)
 {
 	struct alloc_asids_param temp;
@@ -44,7 +44,7 @@
 	unsigned int flags;
 };
 
-int gxio_trio_alloc_memory_maps(gxio_trio_context_t * context,
+int gxio_trio_alloc_memory_maps(gxio_trio_context_t *context,
 				unsigned int count, unsigned int first,
 				unsigned int flags)
 {
@@ -61,6 +61,29 @@
 
 EXPORT_SYMBOL(gxio_trio_alloc_memory_maps);
 
+struct alloc_scatter_queues_param {
+	unsigned int count;
+	unsigned int first;
+	unsigned int flags;
+};
+
+int gxio_trio_alloc_scatter_queues(gxio_trio_context_t *context,
+				   unsigned int count, unsigned int first,
+				   unsigned int flags)
+{
+	struct alloc_scatter_queues_param temp;
+	struct alloc_scatter_queues_param *params = &temp;
+
+	params->count = count;
+	params->first = first;
+	params->flags = flags;
+
+	return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
+			     sizeof(*params),
+			     GXIO_TRIO_OP_ALLOC_SCATTER_QUEUES);
+}
+
+EXPORT_SYMBOL(gxio_trio_alloc_scatter_queues);
 
 struct alloc_pio_regions_param {
 	unsigned int count;
@@ -68,7 +91,7 @@
 	unsigned int flags;
 };
 
-int gxio_trio_alloc_pio_regions(gxio_trio_context_t * context,
+int gxio_trio_alloc_pio_regions(gxio_trio_context_t *context,
 				unsigned int count, unsigned int first,
 				unsigned int flags)
 {
@@ -92,7 +115,7 @@
 	unsigned int flags;
 };
 
-int gxio_trio_init_pio_region_aux(gxio_trio_context_t * context,
+int gxio_trio_init_pio_region_aux(gxio_trio_context_t *context,
 				  unsigned int pio_region, unsigned int mac,
 				  uint32_t bus_address_hi, unsigned int flags)
 {
@@ -122,7 +145,7 @@
 	unsigned int order_mode;
 };
 
-int gxio_trio_init_memory_map_mmu_aux(gxio_trio_context_t * context,
+int gxio_trio_init_memory_map_mmu_aux(gxio_trio_context_t *context,
 				      unsigned int map, unsigned long va,
 				      uint64_t size, unsigned int asid,
 				      unsigned int mac, uint64_t bus_address,
@@ -152,7 +175,7 @@
 	struct pcie_trio_ports_property trio_ports;
 };
 
-int gxio_trio_get_port_property(gxio_trio_context_t * context,
+int gxio_trio_get_port_property(gxio_trio_context_t *context,
 				struct pcie_trio_ports_property *trio_ports)
 {
 	int __result;
@@ -175,7 +198,7 @@
 	unsigned int intx;
 };
 
-int gxio_trio_config_legacy_intr(gxio_trio_context_t * context, int inter_x,
+int gxio_trio_config_legacy_intr(gxio_trio_context_t *context, int inter_x,
 				 int inter_y, int inter_ipi, int inter_event,
 				 unsigned int mac, unsigned int intx)
 {
@@ -204,7 +227,7 @@
 	unsigned int asid;
 };
 
-int gxio_trio_config_msi_intr(gxio_trio_context_t * context, int inter_x,
+int gxio_trio_config_msi_intr(gxio_trio_context_t *context, int inter_x,
 			      int inter_y, int inter_ipi, int inter_event,
 			      unsigned int mac, unsigned int mem_map,
 			      uint64_t mem_map_base, uint64_t mem_map_limit,
@@ -236,7 +259,7 @@
 	unsigned int mac;
 };
 
-int gxio_trio_set_mps_mrs(gxio_trio_context_t * context, uint16_t mps,
+int gxio_trio_set_mps_mrs(gxio_trio_context_t *context, uint16_t mps,
 			  uint16_t mrs, unsigned int mac)
 {
 	struct set_mps_mrs_param temp;
@@ -256,7 +279,7 @@
 	unsigned int mac;
 };
 
-int gxio_trio_force_rc_link_up(gxio_trio_context_t * context, unsigned int mac)
+int gxio_trio_force_rc_link_up(gxio_trio_context_t *context, unsigned int mac)
 {
 	struct force_rc_link_up_param temp;
 	struct force_rc_link_up_param *params = &temp;
@@ -273,7 +296,7 @@
 	unsigned int mac;
 };
 
-int gxio_trio_force_ep_link_up(gxio_trio_context_t * context, unsigned int mac)
+int gxio_trio_force_ep_link_up(gxio_trio_context_t *context, unsigned int mac)
 {
 	struct force_ep_link_up_param temp;
 	struct force_ep_link_up_param *params = &temp;
@@ -290,7 +313,7 @@
 	HV_PTE base;
 };
 
-int gxio_trio_get_mmio_base(gxio_trio_context_t * context, HV_PTE *base)
+int gxio_trio_get_mmio_base(gxio_trio_context_t *context, HV_PTE *base)
 {
 	int __result;
 	struct get_mmio_base_param temp;
@@ -311,7 +334,7 @@
 	unsigned long size;
 };
 
-int gxio_trio_check_mmio_offset(gxio_trio_context_t * context,
+int gxio_trio_check_mmio_offset(gxio_trio_context_t *context,
 				unsigned long offset, unsigned long size)
 {
 	struct check_mmio_offset_param temp;