17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51de45cd9Sgovinda * Common Development and Distribution License (the "License"). 61de45cd9Sgovinda * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 221de45cd9Sgovinda * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_PX_MMU_H 277c478bd9Sstevel@tonic-gate #define _SYS_PX_MMU_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #ifdef __cplusplus 327c478bd9Sstevel@tonic-gate extern "C" { 337c478bd9Sstevel@tonic-gate #endif 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate #include <sys/vmem.h> 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate typedef uint64_t px_dvma_addr_t; 387c478bd9Sstevel@tonic-gate typedef uint64_t px_dma_bypass_addr_t; 397c478bd9Sstevel@tonic-gate typedef uint64_t px_dma_peer_addr_t; 407c478bd9Sstevel@tonic-gate typedef uint16_t px_dvma_context_t; 417c478bd9Sstevel@tonic-gate typedef uint64_t px_window_t; 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* 447c478bd9Sstevel@tonic-gate * boiler plate for tte (everything except the pfn) 457c478bd9Sstevel@tonic-gate */ 46*25cf1a30Sjl139090 #define PX_GET_TTE_ATTR(flags, attr)\ 477c478bd9Sstevel@tonic-gate (((flags & DDI_DMA_READ) ? PCI_MAP_ATTR_WRITE : 0) | \ 48*25cf1a30Sjl139090 ((flags & DDI_DMA_WRITE) ? PCI_MAP_ATTR_READ : 0) | \ 49*25cf1a30Sjl139090 ((attr & DDI_DMA_RELAXED_ORDERING) ? PCI_MAP_ATTR_RO : 0)) 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate /* 527c478bd9Sstevel@tonic-gate * mmu block soft state structure: 537c478bd9Sstevel@tonic-gate * 547c478bd9Sstevel@tonic-gate * Each px node may share an mmu block structure with its peer 557c478bd9Sstevel@tonic-gate * node of have its own private mmu block structure. 567c478bd9Sstevel@tonic-gate */ 577c478bd9Sstevel@tonic-gate typedef struct px_mmu { 587c478bd9Sstevel@tonic-gate px_t *mmu_px_p; /* link back to px soft state */ 597c478bd9Sstevel@tonic-gate int mmu_inst; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate /* 627c478bd9Sstevel@tonic-gate * address ranges of dvma space: 637c478bd9Sstevel@tonic-gate */ 647c478bd9Sstevel@tonic-gate px_dvma_addr_t mmu_dvma_base; 657c478bd9Sstevel@tonic-gate px_dvma_addr_t mmu_dvma_end; 667c478bd9Sstevel@tonic-gate px_dvma_addr_t mmu_dvma_fast_end; 677c478bd9Sstevel@tonic-gate px_dvma_addr_t dvma_base_pg; /* = MMU_BTOP(mmu_dvma_base) */ 687c478bd9Sstevel@tonic-gate px_dvma_addr_t dvma_end_pg; /* = MMU_BTOP(mmu_dvma_end) */ 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate /* 717c478bd9Sstevel@tonic-gate * virtual memory map and callback id for dvma space: 727c478bd9Sstevel@tonic-gate */ 737c478bd9Sstevel@tonic-gate vmem_t *mmu_dvma_map; 747c478bd9Sstevel@tonic-gate uintptr_t mmu_dvma_clid; 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate /* 777c478bd9Sstevel@tonic-gate * fields for fast dvma interfaces: 787c478bd9Sstevel@tonic-gate */ 797c478bd9Sstevel@tonic-gate ulong_t mmu_dvma_reserve; 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate /* 827c478bd9Sstevel@tonic-gate * dvma fast track page cache byte map 837c478bd9Sstevel@tonic-gate */ 847c478bd9Sstevel@tonic-gate uint8_t *mmu_dvma_cache_locks; 857c478bd9Sstevel@tonic-gate uint_t mmu_dvma_addr_scan_start; 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /* dvma debug */ 887c478bd9Sstevel@tonic-gate kmutex_t dvma_debug_lock; 897c478bd9Sstevel@tonic-gate uint32_t dvma_alloc_rec_index; 907c478bd9Sstevel@tonic-gate uint32_t dvma_free_rec_index; 917c478bd9Sstevel@tonic-gate uint32_t dvma_active_count; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate struct px_dvma_rec *dvma_alloc_rec; 947c478bd9Sstevel@tonic-gate struct px_dvma_rec *dvma_free_rec; 957c478bd9Sstevel@tonic-gate struct px_dvma_rec *dvma_active_list; 967c478bd9Sstevel@tonic-gate } px_mmu_t; 977c478bd9Sstevel@tonic-gate 987c478bd9Sstevel@tonic-gate typedef struct px_dvma_range_prop { 997c478bd9Sstevel@tonic-gate uint32_t dvma_base; 1007c478bd9Sstevel@tonic-gate uint32_t dvma_len; 1017c478bd9Sstevel@tonic-gate } px_dvma_range_prop_t; 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate #define MMU_PAGE_INDEX(mmu_p, dvma_pg) ((dvma_pg) - (mmu_p)->dvma_base_pg) 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* dvma debug */ 10636fe4a92Segillett #define PX_DVMA_DBG_ON(mmu_p) \ 1077c478bd9Sstevel@tonic-gate ((1ull << (mmu_p)->mmu_inst) & px_dvma_debug_on) 10836fe4a92Segillett #define PX_DVMA_DBG_OFF(mmu_p) \ 1097c478bd9Sstevel@tonic-gate ((1ull << (mmu_p)->mmu_inst) & px_dvma_debug_off) 1107c478bd9Sstevel@tonic-gate 1117c478bd9Sstevel@tonic-gate extern void px_dvma_debug_fini(px_mmu_t *mmu_p); 1127c478bd9Sstevel@tonic-gate extern void px_dvma_alloc_debug(px_mmu_t *mmu_p, char *address, uint_t len, 1137c478bd9Sstevel@tonic-gate ddi_dma_impl_t *mp); 1147c478bd9Sstevel@tonic-gate extern void px_dvma_free_debug(px_mmu_t *mmu_p, char *address, uint_t len, 1157c478bd9Sstevel@tonic-gate ddi_dma_impl_t *mp); 1167c478bd9Sstevel@tonic-gate 1177c478bd9Sstevel@tonic-gate /* DVMA routines */ 1187c478bd9Sstevel@tonic-gate extern int px_mmu_map_pages(px_mmu_t *mmu_p, ddi_dma_impl_t *mp, 1197c478bd9Sstevel@tonic-gate px_dvma_addr_t dvma_pg, size_t npages, size_t pfn_index); 1207c478bd9Sstevel@tonic-gate extern int px_mmu_map_window(px_mmu_t *mmu_p, ddi_dma_impl_t *mp, 1217c478bd9Sstevel@tonic-gate px_window_t window); 1221de45cd9Sgovinda extern void px_mmu_unmap_pages(px_mmu_t *mmu_p, ddi_dma_impl_t *mp, 1231de45cd9Sgovinda px_dvma_addr_t dvma_pg, uint_t npages); 1247c478bd9Sstevel@tonic-gate extern void px_mmu_unmap_window(px_mmu_t *mmu_p, ddi_dma_impl_t *mp); 1257c478bd9Sstevel@tonic-gate 1267c478bd9Sstevel@tonic-gate /* MMU initialization routines */ 1277c478bd9Sstevel@tonic-gate extern int px_mmu_attach(px_t *px_p); 1287c478bd9Sstevel@tonic-gate extern void px_mmu_detach(px_t *px_p); 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate #ifdef __cplusplus 1317c478bd9Sstevel@tonic-gate } 1327c478bd9Sstevel@tonic-gate #endif 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate #endif /* _SYS_PX_MMU_H */ 135