Mark Maule | c9221da | 2005-08-03 14:07:00 -0700 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * Copyright (C) 2005, Silicon Graphics, Inc. * |
| 3 | * * |
| 4 | * These coded instructions, statements, and computer programs contain * |
| 5 | * unpublished proprietary information of Silicon Graphics, Inc., and * |
| 6 | * are protected by Federal copyright law. They may not be disclosed * |
| 7 | * to third parties or copied or duplicated in any form, in whole or * |
| 8 | * in part, without the prior written consent of Silicon Graphics, Inc. * |
| 9 | * * |
| 10 | **************************************************************************/ |
| 11 | |
| 12 | #ifndef _ASM_IA64_SN_CE_PROVIDER_H |
| 13 | #define _ASM_IA64_SN_CE_PROVIDER_H |
| 14 | |
| 15 | #include <asm/sn/pcibus_provider_defs.h> |
| 16 | #include <asm/sn/tioce.h> |
| 17 | |
| 18 | /* |
| 19 | * Common TIOCE structure shared between the prom and kernel |
| 20 | * |
| 21 | * DO NOT CHANGE THIS STRUCT WITHOUT MAKING CORRESPONDING CHANGES TO THE |
| 22 | * PROM VERSION. |
| 23 | */ |
| 24 | struct tioce_common { |
| 25 | struct pcibus_bussoft ce_pcibus; /* common pciio header */ |
| 26 | |
| 27 | uint32_t ce_rev; |
| 28 | uint64_t ce_kernel_private; |
| 29 | uint64_t ce_prom_private; |
| 30 | }; |
| 31 | |
| 32 | struct tioce_kernel { |
| 33 | struct tioce_common *ce_common; |
| 34 | spinlock_t ce_lock; |
| 35 | struct list_head ce_dmamap_list; |
| 36 | |
| 37 | uint64_t ce_ate40_shadow[TIOCE_NUM_M40_ATES]; |
| 38 | uint64_t ce_ate3240_shadow[TIOCE_NUM_M3240_ATES]; |
| 39 | uint32_t ce_ate3240_pagesize; |
| 40 | |
| 41 | uint8_t ce_port1_secondary; |
| 42 | |
| 43 | /* per-port resources */ |
| 44 | struct { |
| 45 | int dirmap_refcnt; |
| 46 | uint64_t dirmap_shadow; |
| 47 | } ce_port[TIOCE_NUM_PORTS]; |
| 48 | }; |
| 49 | |
| 50 | struct tioce_dmamap { |
| 51 | struct list_head ce_dmamap_list; /* headed by tioce_kernel */ |
| 52 | uint32_t refcnt; |
| 53 | |
| 54 | uint64_t nbytes; /* # bytes mapped */ |
| 55 | |
| 56 | uint64_t ct_start; /* coretalk start address */ |
| 57 | uint64_t pci_start; /* bus start address */ |
| 58 | |
| 59 | uint64_t *ate_hw; /* hw ptr of first ate in map */ |
| 60 | uint64_t *ate_shadow; /* shadow ptr of firat ate */ |
| 61 | uint16_t ate_count; /* # ate's in the map */ |
| 62 | }; |
| 63 | |
| 64 | extern int tioce_init_provider(void); |
| 65 | |
| 66 | #endif /* __ASM_IA64_SN_CE_PROVIDER_H */ |