1 /* 2 * PS3 Storage Devices 3 * 4 * Copyright (C) 2007 Sony Computer Entertainment Inc. 5 * Copyright 2007 Sony Corp. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms of the GNU General Public License as published 9 * by the Free Software Foundation; version 2 of the License. 10 * 11 * This program is distributed in the hope that it will be useful, but 12 * WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License along 17 * with this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21 #ifndef _ASM_POWERPC_PS3STOR_H_ 22 #define _ASM_POWERPC_PS3STOR_H_ 23 24 #include <linux/interrupt.h> 25 26 #include <asm/ps3.h> 27 28 29 struct ps3_storage_region { 30 unsigned int id; 31 u64 start; 32 u64 size; 33 }; 34 35 struct ps3_storage_device { 36 struct ps3_system_bus_device sbd; 37 38 struct ps3_dma_region dma_region; 39 unsigned int irq; 40 u64 blk_size; 41 42 u64 tag; 43 u64 lv1_status; 44 struct completion done; 45 46 unsigned long bounce_size; 47 void *bounce_buf; 48 u64 bounce_lpar; 49 dma_addr_t bounce_dma; 50 51 unsigned int num_regions; 52 unsigned long accessible_regions; 53 unsigned int region_idx; /* first accessible region */ 54 struct ps3_storage_region regions[0]; /* Must be last */ 55 }; 56 57 static inline struct ps3_storage_device *to_ps3_storage_device(struct device *dev) 58 { 59 return container_of(dev, struct ps3_storage_device, sbd.core); 60 } 61 62 extern int ps3stor_setup(struct ps3_storage_device *dev, 63 irq_handler_t handler); 64 extern void ps3stor_teardown(struct ps3_storage_device *dev); 65 extern u64 ps3stor_read_write_sectors(struct ps3_storage_device *dev, u64 lpar, 66 u64 start_sector, u64 sectors, 67 int write); 68 extern u64 ps3stor_send_command(struct ps3_storage_device *dev, u64 cmd, 69 u64 arg1, u64 arg2, u64 arg3, u64 arg4); 70 71 #endif /* _ASM_POWERPC_PS3STOR_H_ */ 72