Lines Matching refs:ioc
214 struct ioc { struct
242 struct ioc *next; /* Linked list of discovered iocs */ argument
249 static struct ioc *ioc_list; argument
284 #define CCIO_SEARCH_LOOP(ioc, res_idx, mask, size) \ argument
288 idx = (unsigned int)((unsigned long)res_ptr - (unsigned long)ioc->res_map); \
293 ioc->res_hint = res_idx + (size >> 3); \
299 u##size *res_ptr = (u##size *)&((ioc)->res_map[ioa->res_hint & ~((size >> 3) - 1)]); \
300 u##size *res_end = (u##size *)&(ioc)->res_map[ioa->res_size]; \
301 CCIO_SEARCH_LOOP(ioc, res_idx, mask, size); \
302 res_ptr = (u##size *)&(ioc)->res_map[0]; \
330 ccio_alloc_range(struct ioc *ioc, struct device *dev, size_t size) in ccio_alloc_range() argument
364 CCIO_FIND_FREE_MAPPING(ioc, res_idx, mask, 8); in ccio_alloc_range()
366 CCIO_FIND_FREE_MAPPING(ioc, res_idx, 0xff, 8); in ccio_alloc_range()
369 CCIO_FIND_FREE_MAPPING(ioc, res_idx, 0xffff, 16); in ccio_alloc_range()
371 CCIO_FIND_FREE_MAPPING(ioc, res_idx, ~(unsigned int)0, 32); in ccio_alloc_range()
374 CCIO_FIND_FREE_MAPPING(ioc, res_idx, ~0UL, 64); in ccio_alloc_range()
387 __func__, res_idx, ioc->res_hint); in ccio_alloc_range()
396 ioc->avg_search[ioc->avg_idx++] = cr_start; in ccio_alloc_range()
397 ioc->avg_idx &= CCIO_SEARCH_SAMPLE - 1; in ccio_alloc_range()
398 ioc->used_pages += pages_needed; in ccio_alloc_range()
406 #define CCIO_FREE_MAPPINGS(ioc, res_idx, mask, size) \ argument
407 u##size *res_ptr = (u##size *)&((ioc)->res_map[res_idx]); \
421 ccio_free_range(struct ioc *ioc, dma_addr_t iova, unsigned long pages_mapped) in ccio_free_range() argument
434 ioc->used_pages -= pages_mapped; in ccio_free_range()
441 CCIO_FREE_MAPPINGS(ioc, res_idx, mask, 8); in ccio_free_range()
443 CCIO_FREE_MAPPINGS(ioc, res_idx, 0xffUL, 8); in ccio_free_range()
446 CCIO_FREE_MAPPINGS(ioc, res_idx, 0xffffUL, 16); in ccio_free_range()
448 CCIO_FREE_MAPPINGS(ioc, res_idx, ~(unsigned int)0, 32); in ccio_free_range()
451 CCIO_FREE_MAPPINGS(ioc, res_idx, ~0UL, 64); in ccio_free_range()
617 ccio_clear_io_tlb(struct ioc *ioc, dma_addr_t iovp, size_t byte_cnt) in ccio_clear_io_tlb() argument
619 u32 chain_size = 1 << ioc->chainid_shift; in ccio_clear_io_tlb()
625 WRITE_U32(CMD_TLB_PURGE | iovp, &ioc->ioc_regs->io_command); in ccio_clear_io_tlb()
650 ccio_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) in ccio_mark_invalid() argument
661 char *pdir_ptr = (char *) &(ioc->pdir_base[idx]); in ccio_mark_invalid()
663 BUG_ON(idx >= (ioc->pdir_size / sizeof(u64))); in ccio_mark_invalid()
677 ccio_clear_io_tlb(ioc, CCIO_IOVP(iova), saved_byte_cnt); in ccio_mark_invalid()
718 struct ioc *ioc; in ccio_map_single() local
726 ioc = GET_IOC(dev); in ccio_map_single()
727 if (!ioc) in ccio_map_single()
737 spin_lock_irqsave(&ioc->res_lock, flags); in ccio_map_single()
740 ioc->msingle_calls++; in ccio_map_single()
741 ioc->msingle_pages += size >> IOVP_SHIFT; in ccio_map_single()
744 idx = ccio_alloc_range(ioc, dev, size); in ccio_map_single()
747 pdir_start = &(ioc->pdir_base[idx]); in ccio_map_single()
768 spin_unlock_irqrestore(&ioc->res_lock, flags); in ccio_map_single()
797 struct ioc *ioc; in ccio_unmap_page() local
802 ioc = GET_IOC(dev); in ccio_unmap_page()
803 if (!ioc) { in ccio_unmap_page()
804 WARN_ON(!ioc); in ccio_unmap_page()
815 spin_lock_irqsave(&ioc->res_lock, flags); in ccio_unmap_page()
818 ioc->usingle_calls++; in ccio_unmap_page()
819 ioc->usingle_pages += size >> IOVP_SHIFT; in ccio_unmap_page()
822 ccio_mark_invalid(ioc, iova, size); in ccio_unmap_page()
823 ccio_free_range(ioc, iova, (size >> IOVP_SHIFT)); in ccio_unmap_page()
824 spin_unlock_irqrestore(&ioc->res_lock, flags); in ccio_unmap_page()
906 struct ioc *ioc; in ccio_map_sg() local
914 ioc = GET_IOC(dev); in ccio_map_sg()
915 if (!ioc) in ccio_map_sg()
932 spin_lock_irqsave(&ioc->res_lock, flags); in ccio_map_sg()
935 ioc->msg_calls++; in ccio_map_sg()
946 coalesced = iommu_coalesce_chunks(ioc, dev, sglist, nents, ccio_alloc_range); in ccio_map_sg()
956 filled = iommu_fill_pdir(ioc, sglist, nents, hint, ccio_io_pdir_entry); in ccio_map_sg()
958 spin_unlock_irqrestore(&ioc->res_lock, flags); in ccio_map_sg()
986 struct ioc *ioc; in ccio_unmap_sg() local
989 ioc = GET_IOC(dev); in ccio_unmap_sg()
990 if (!ioc) { in ccio_unmap_sg()
991 WARN_ON(!ioc); in ccio_unmap_sg()
999 ioc->usg_calls++; in ccio_unmap_sg()
1005 ioc->usg_pages += sg_dma_len(sglist) >> PAGE_SHIFT; in ccio_unmap_sg()
1032 struct ioc *ioc = ioc_list; in ccio_proc_info() local
1034 while (ioc != NULL) { in ccio_proc_info()
1035 unsigned int total_pages = ioc->res_size << 3; in ccio_proc_info()
1041 seq_printf(m, "%s\n", ioc->name); in ccio_proc_info()
1044 (ioc->cujo20_bug ? "yes" : "no")); in ccio_proc_info()
1051 total_pages - ioc->used_pages, ioc->used_pages, in ccio_proc_info()
1052 (int)(ioc->used_pages * 100 / total_pages)); in ccio_proc_info()
1056 ioc->res_size, total_pages); in ccio_proc_info()
1059 min = max = ioc->avg_search[0]; in ccio_proc_info()
1061 avg += ioc->avg_search[j]; in ccio_proc_info()
1062 if(ioc->avg_search[j] > max) in ccio_proc_info()
1063 max = ioc->avg_search[j]; in ccio_proc_info()
1064 if(ioc->avg_search[j] < min) in ccio_proc_info()
1065 min = ioc->avg_search[j]; in ccio_proc_info()
1072 ioc->msingle_calls, ioc->msingle_pages, in ccio_proc_info()
1073 (int)((ioc->msingle_pages * 1000)/ioc->msingle_calls)); in ccio_proc_info()
1076 min = ioc->usingle_calls - ioc->usg_calls; in ccio_proc_info()
1077 max = ioc->usingle_pages - ioc->usg_pages; in ccio_proc_info()
1082 ioc->msg_calls, ioc->msg_pages, in ccio_proc_info()
1083 (int)((ioc->msg_pages * 1000)/ioc->msg_calls)); in ccio_proc_info()
1086 ioc->usg_calls, ioc->usg_pages, in ccio_proc_info()
1087 (int)((ioc->usg_pages * 1000)/ioc->usg_calls)); in ccio_proc_info()
1090 ioc = ioc->next; in ccio_proc_info()
1098 struct ioc *ioc = ioc_list; in ccio_proc_bitmap_info() local
1100 while (ioc != NULL) { in ccio_proc_bitmap_info()
1101 seq_hex_dump(m, " ", DUMP_PREFIX_NONE, 32, 4, ioc->res_map, in ccio_proc_bitmap_info()
1102 ioc->res_size, false); in ccio_proc_bitmap_info()
1104 ioc = ioc->next; in ccio_proc_bitmap_info()
1119 static struct ioc * ccio_find_ioc(int hw_path) in ccio_find_ioc()
1122 struct ioc *ioc; in ccio_find_ioc() local
1124 ioc = ioc_list; in ccio_find_ioc()
1126 if (ioc->hw_path == hw_path) in ccio_find_ioc()
1127 return ioc; in ccio_find_ioc()
1129 ioc = ioc->next; in ccio_find_ioc()
1161 struct ioc *ioc = ccio_get_iommu(dev); in ccio_cujo20_fixup() local
1164 ioc->cujo20_bug = 1; in ccio_cujo20_fixup()
1165 res_ptr = ioc->res_map; in ccio_cujo20_fixup()
1168 while (idx < ioc->res_size) { in ccio_cujo20_fixup()
1226 ccio_ioc_init(struct ioc *ioc) in ccio_ioc_init() argument
1273 ioc->pdir_size = (iova_space_size / IOVP_SIZE) * sizeof(u64); in ccio_ioc_init()
1275 BUG_ON(ioc->pdir_size > 8 * 1024 * 1024); /* max pdir size <= 8MB */ in ccio_ioc_init()
1278 BUG_ON((1 << get_order(ioc->pdir_size)) != (ioc->pdir_size >> PAGE_SHIFT)); in ccio_ioc_init()
1281 __func__, ioc->ioc_regs, in ccio_ioc_init()
1286 ioc->pdir_base = (__le64 *)__get_free_pages(GFP_KERNEL, in ccio_ioc_init()
1287 get_order(ioc->pdir_size)); in ccio_ioc_init()
1288 if(NULL == ioc->pdir_base) { in ccio_ioc_init()
1291 memset(ioc->pdir_base, 0, ioc->pdir_size); in ccio_ioc_init()
1293 BUG_ON((((unsigned long)ioc->pdir_base) & PAGE_MASK) != (unsigned long)ioc->pdir_base); in ccio_ioc_init()
1294 DBG_INIT(" base %p\n", ioc->pdir_base); in ccio_ioc_init()
1297 ioc->res_size = (ioc->pdir_size / sizeof(u64)) >> 3; in ccio_ioc_init()
1298 DBG_INIT("%s() res_size 0x%x\n", __func__, ioc->res_size); in ccio_ioc_init()
1300 ioc->res_map = (u8 *)__get_free_pages(GFP_KERNEL, in ccio_ioc_init()
1301 get_order(ioc->res_size)); in ccio_ioc_init()
1302 if(NULL == ioc->res_map) { in ccio_ioc_init()
1305 memset(ioc->res_map, 0, ioc->res_size); in ccio_ioc_init()
1308 ioc->res_hint = 16; in ccio_ioc_init()
1311 spin_lock_init(&ioc->res_lock); in ccio_ioc_init()
1317 ioc->chainid_shift = get_order(iova_space_size) + PAGE_SHIFT - CCIO_CHAINID_SHIFT; in ccio_ioc_init()
1318 DBG_INIT(" chainid_shift 0x%x\n", ioc->chainid_shift); in ccio_ioc_init()
1323 WRITE_U32(CCIO_CHAINID_MASK << ioc->chainid_shift, in ccio_ioc_init()
1324 &ioc->ioc_regs->io_chain_id_mask); in ccio_ioc_init()
1326 WRITE_U32(virt_to_phys(ioc->pdir_base), in ccio_ioc_init()
1327 &ioc->ioc_regs->io_pdir_base); in ccio_ioc_init()
1332 WRITE_U32(IOA_NORMAL_MODE, &ioc->ioc_regs->io_control); in ccio_ioc_init()
1337 WRITE_U32(0, &ioc->ioc_regs->io_tlb_entry_m); in ccio_ioc_init()
1338 WRITE_U32(0, &ioc->ioc_regs->io_tlb_entry_l); in ccio_ioc_init()
1341 WRITE_U32((CMD_TLB_DIRECT_WRITE | (i << ioc->chainid_shift)), in ccio_ioc_init()
1342 &ioc->ioc_regs->io_command); in ccio_ioc_init()
1379 static int __init ccio_init_resources(struct ioc *ioc) in ccio_init_resources() argument
1381 struct resource *res = ioc->mmio_region; in ccio_init_resources()
1385 snprintf(name, 14, "GSC Bus [%d/]", ioc->hw_path); in ccio_init_resources()
1387 ccio_init_resource(res, name, &ioc->ioc_regs->io_io_low); in ccio_init_resources()
1388 ccio_init_resource(res + 1, name, &ioc->ioc_regs->io_io_low_hv); in ccio_init_resources()
1448 struct ioc *ioc = ccio_get_iommu(dev); in ccio_allocate_resource() local
1449 if (!ioc) in ccio_allocate_resource()
1452 parent = ioc->mmio_region; in ccio_allocate_resource()
1464 &ioc->ioc_regs->io_io_low); in ccio_allocate_resource()
1466 &ioc->ioc_regs->io_io_high); in ccio_allocate_resource()
1470 &ioc->ioc_regs->io_io_low_hv); in ccio_allocate_resource()
1472 &ioc->ioc_regs->io_io_high_hv); in ccio_allocate_resource()
1485 struct ioc *ioc = ccio_get_iommu(dev); in ccio_request_resource() local
1487 if (!ioc) { in ccio_request_resource()
1489 } else if ((ioc->mmio_region->start <= res->start) && in ccio_request_resource()
1490 (res->end <= ioc->mmio_region->end)) { in ccio_request_resource()
1491 parent = ioc->mmio_region; in ccio_request_resource()
1492 } else if (((ioc->mmio_region + 1)->start <= res->start) && in ccio_request_resource()
1493 (res->end <= (ioc->mmio_region + 1)->end)) { in ccio_request_resource()
1494 parent = ioc->mmio_region + 1; in ccio_request_resource()
1518 struct ioc *ioc, **ioc_p = &ioc_list; in ccio_probe() local
1521 ioc = kzalloc(sizeof(struct ioc), GFP_KERNEL); in ccio_probe()
1522 if (ioc == NULL) { in ccio_probe()
1527 ioc->name = dev->id.hversion == U2_IOA_RUNWAY ? "U2" : "UTurn"; in ccio_probe()
1529 printk(KERN_INFO "Found %s at 0x%lx\n", ioc->name, in ccio_probe()
1535 *ioc_p = ioc; in ccio_probe()
1537 ioc->hw_path = dev->hw_path; in ccio_probe()
1538 ioc->ioc_regs = ioremap(dev->hpa.start, 4096); in ccio_probe()
1539 if (!ioc->ioc_regs) { in ccio_probe()
1540 kfree(ioc); in ccio_probe()
1543 ccio_ioc_init(ioc); in ccio_probe()
1544 if (ccio_init_resources(ioc)) { in ccio_probe()
1545 iounmap(ioc->ioc_regs); in ccio_probe()
1546 kfree(ioc); in ccio_probe()
1555 hba->iommu = ioc; in ccio_probe()