static int serverworks_insert_memory(struct agp_memory *mem, off_t pg_start, int type) { int i, j, num_entries; unsigned long __iomem *cur_gatt; unsigned long addr; num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; if (type != 0 || mem->type != 0) { return -EINVAL; } if ((pg_start + mem->page_count) > num_entries) { return -EINVAL; } j = pg_start; while (j < (pg_start + mem->page_count)) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = SVRWRKS_GET_GATT(addr); if (!PGE_EMPTY(agp_bridge, readl(cur_gatt+GET_GATT_OFF(addr)))) return -EBUSY; j++; } if (!mem->is_flushed) { global_cache_flush(); mem->is_flushed = true; } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = SVRWRKS_GET_GATT(addr); writel(agp_bridge->driver->mask_memory(agp_bridge, page_to_phys(mem->pages[i]), mem->type), cur_gatt+GET_GATT_OFF(addr)); } serverworks_tlbflush(mem); return 0; }
static int serverworks_insert_memory(struct agp_memory *mem, off_t pg_start, int type) { int i, j, num_entries; unsigned long *cur_gatt; unsigned long addr; num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries; if (type != 0 || mem->type != 0) { return -EINVAL; } if ((pg_start + mem->page_count) > num_entries) { return -EINVAL; } j = pg_start; while (j < (pg_start + mem->page_count)) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = SVRWRKS_GET_GATT(addr); if (!PGE_EMPTY(agp_bridge, cur_gatt[GET_GATT_OFF(addr)])) { return -EBUSY; } j++; } if (mem->is_flushed == FALSE) { global_cache_flush(); mem->is_flushed = TRUE; } for (i = 0, j = pg_start; i < mem->page_count; i++, j++) { addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = SVRWRKS_GET_GATT(addr); cur_gatt[GET_GATT_OFF(addr)] = agp_bridge->driver->mask_memory(mem->memory[i], mem->type); } serverworks_tlbflush(mem); return 0; }
static int serverworks_remove_memory(struct agp_memory *mem, off_t pg_start, int type) { int i; unsigned long __iomem *cur_gatt; unsigned long addr; if (type != 0 || mem->type != 0) { return -EINVAL; } global_cache_flush(); serverworks_tlbflush(mem); for (i = pg_start; i < (mem->page_count + pg_start); i++) { addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr; cur_gatt = SVRWRKS_GET_GATT(addr); writel(agp_bridge->scratch_page, cur_gatt+GET_GATT_OFF(addr)); } serverworks_tlbflush(mem); return 0; }