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The /lslr file gives read access to the SPU_LSLR register in hex; 0x3fff for example The /dma_info file provides read access to the SPU Command Queue in a binary format. The /proxydma_info files provides read access access to the Proxy Command Queue in a binary format. The spu_info.h file provides data structures for interpreting the binary format of /dma_info and /proxydma_info. Signed-off-by: Dwayne Grant McConnell <decimal@us.ibm.com> Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
54 lines
1.4 KiB
C
54 lines
1.4 KiB
C
/*
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* SPU info structures
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*
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* (C) Copyright 2006 IBM Corp.
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*
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* Author: Dwayne Grant McConnell <decimal@us.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _SPU_INFO_H
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#define _SPU_INFO_H
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#ifdef __KERNEL__
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#include <asm/spu.h>
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#include <linux/types.h>
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#else
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struct mfc_cq_sr {
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__u64 mfc_cq_data0_RW;
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__u64 mfc_cq_data1_RW;
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__u64 mfc_cq_data2_RW;
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__u64 mfc_cq_data3_RW;
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};
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#endif /* __KERNEL__ */
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struct spu_dma_info {
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__u64 dma_info_type;
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__u64 dma_info_mask;
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__u64 dma_info_status;
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__u64 dma_info_stall_and_notify;
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__u64 dma_info_atomic_command_status;
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struct mfc_cq_sr dma_info_command_data[16];
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};
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struct spu_proxydma_info {
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__u64 proxydma_info_type;
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__u64 proxydma_info_mask;
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__u64 proxydma_info_status;
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struct mfc_cq_sr proxydma_info_command_data[8];
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};
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#endif
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