1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (c) 2003-2005 Silicon Graphics, Inc. All rights reserved. 7 */ 8 9 #ifndef _ASM_IA64_SN_CE_PROVIDER_H 10 #define _ASM_IA64_SN_CE_PROVIDER_H 11 12 #include <asm/sn/pcibus_provider_defs.h> 13 #include <asm/sn/tioce.h> 14 15 /* 16 * Common TIOCE structure shared between the prom and kernel 17 * 18 * DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE 19 * PROM VERSION. 20 */ 21 struct tioce_common { 22 struct pcibus_bussoft ce_pcibus; /* common pciio header */ 23 24 u32 ce_rev; 25 u64 ce_kernel_private; 26 u64 ce_prom_private; 27 }; 28 29 struct tioce_kernel { 30 struct tioce_common *ce_common; 31 spinlock_t ce_lock; 32 struct list_head ce_dmamap_list; 33 34 u64 ce_ate40_shadow[TIOCE_NUM_M40_ATES]; 35 u64 ce_ate3240_shadow[TIOCE_NUM_M3240_ATES]; 36 u32 ce_ate3240_pagesize; 37 38 u8 ce_port1_secondary; 39 40 /* per-port resources */ 41 struct { 42 int dirmap_refcnt; 43 u64 dirmap_shadow; 44 } ce_port[TIOCE_NUM_PORTS]; 45 }; 46 47 struct tioce_dmamap { 48 struct list_head ce_dmamap_list; /* headed by tioce_kernel */ 49 u32 refcnt; 50 51 u64 nbytes; /* # bytes mapped */ 52 53 u64 ct_start; /* coretalk start address */ 54 u64 pci_start; /* bus start address */ 55 56 u64 __iomem *ate_hw;/* hw ptr of first ate in map */ 57 u64 *ate_shadow; /* shadow ptr of firat ate */ 58 u16 ate_count; /* # ate's in the map */ 59 }; 60 61 extern int tioce_init_provider(void); 62 63 #endif /* __ASM_IA64_SN_CE_PROVIDER_H */ 64