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Diffstat (limited to 'include/asm-powerpc/spu_csa.h')
-rw-r--r-- | include/asm-powerpc/spu_csa.h | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/include/asm-powerpc/spu_csa.h b/include/asm-powerpc/spu_csa.h deleted file mode 100644 index a40fd491250c..000000000000 --- a/include/asm-powerpc/spu_csa.h +++ /dev/null @@ -1,266 +0,0 @@ -/* - * spu_csa.h: Definitions for SPU context save area (CSA). - * - * (C) Copyright IBM 2005 - * - * Author: Mark Nutter <mnutter@us.ibm.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef _SPU_CSA_H_ -#define _SPU_CSA_H_ -#ifdef __KERNEL__ - -/* - * Total number of 128-bit registers. - */ -#define NR_SPU_GPRS 128 -#define NR_SPU_SPRS 9 -#define NR_SPU_REGS_PAD 7 -#define NR_SPU_SPILL_REGS 144 /* GPRS + SPRS + PAD */ -#define SIZEOF_SPU_SPILL_REGS NR_SPU_SPILL_REGS * 16 - -#define SPU_SAVE_COMPLETE 0x3FFB -#define SPU_RESTORE_COMPLETE 0x3FFC - -/* - * Definitions for various 'stopped' status conditions, - * to be recreated during context restore. - */ -#define SPU_STOPPED_STATUS_P 1 -#define SPU_STOPPED_STATUS_I 2 -#define SPU_STOPPED_STATUS_H 3 -#define SPU_STOPPED_STATUS_S 4 -#define SPU_STOPPED_STATUS_S_I 5 -#define SPU_STOPPED_STATUS_S_P 6 -#define SPU_STOPPED_STATUS_P_H 7 -#define SPU_STOPPED_STATUS_P_I 8 -#define SPU_STOPPED_STATUS_R 9 - -/* - * Definitions for software decrementer status flag. - */ -#define SPU_DECR_STATUS_RUNNING 0x1 -#define SPU_DECR_STATUS_WRAPPED 0x2 - -#ifndef __ASSEMBLY__ -/** - * spu_reg128 - generic 128-bit register definition. - */ -struct spu_reg128 { - u32 slot[4]; -}; - -/** - * struct spu_lscsa - Local Store Context Save Area. - * @gprs: Array of saved registers. - * @fpcr: Saved floating point status control register. - * @decr: Saved decrementer value. - * @decr_status: Indicates software decrementer status flags. - * @ppu_mb: Saved PPU mailbox data. - * @ppuint_mb: Saved PPU interrupting mailbox data. - * @tag_mask: Saved tag group mask. - * @event_mask: Saved event mask. - * @srr0: Saved SRR0. - * @stopped_status: Conditions to be recreated by restore. - * @ls: Saved contents of Local Storage Area. - * - * The LSCSA represents state that is primarily saved and - * restored by SPU-side code. - */ -struct spu_lscsa { - struct spu_reg128 gprs[128]; - struct spu_reg128 fpcr; - struct spu_reg128 decr; - struct spu_reg128 decr_status; - struct spu_reg128 ppu_mb; - struct spu_reg128 ppuint_mb; - struct spu_reg128 tag_mask; - struct spu_reg128 event_mask; - struct spu_reg128 srr0; - struct spu_reg128 stopped_status; - - /* - * 'ls' must be page-aligned on all configurations. - * Since we don't want to rely on having the spu-gcc - * installed to build the kernel and this structure - * is used in the SPU-side code, make it 64k-page - * aligned for now. - */ - unsigned char ls[LS_SIZE] __attribute__((aligned(65536))); -}; - -#ifndef __SPU__ -/* - * struct spu_problem_collapsed - condensed problem state area, w/o pads. - */ -struct spu_problem_collapsed { - u64 spc_mssync_RW; - u32 mfc_lsa_W; - u32 unused_pad0; - u64 mfc_ea_W; - union mfc_tag_size_class_cmd mfc_union_W; - u32 dma_qstatus_R; - u32 dma_querytype_RW; - u32 dma_querymask_RW; - u32 dma_tagstatus_R; - u32 pu_mb_R; - u32 spu_mb_W; - u32 mb_stat_R; - u32 spu_runcntl_RW; - u32 spu_status_R; - u32 spu_spc_R; - u32 spu_npc_RW; - u32 signal_notify1; - u32 signal_notify2; - u32 unused_pad1; -}; - -/* - * struct spu_priv1_collapsed - condensed privileged 1 area, w/o pads. - */ -struct spu_priv1_collapsed { - u64 mfc_sr1_RW; - u64 mfc_lpid_RW; - u64 spu_idr_RW; - u64 mfc_vr_RO; - u64 spu_vr_RO; - u64 int_mask_class0_RW; - u64 int_mask_class1_RW; - u64 int_mask_class2_RW; - u64 int_stat_class0_RW; - u64 int_stat_class1_RW; - u64 int_stat_class2_RW; - u64 int_route_RW; - u64 mfc_atomic_flush_RW; - u64 resource_allocation_groupID_RW; - u64 resource_allocation_enable_RW; - u64 mfc_fir_R; - u64 mfc_fir_status_or_W; - u64 mfc_fir_status_and_W; - u64 mfc_fir_mask_R; - u64 mfc_fir_mask_or_W; - u64 mfc_fir_mask_and_W; - u64 mfc_fir_chkstp_enable_RW; - u64 smf_sbi_signal_sel; - u64 smf_ato_signal_sel; - u64 tlb_index_hint_RO; - u64 tlb_index_W; - u64 tlb_vpn_RW; - u64 tlb_rpn_RW; - u64 tlb_invalidate_entry_W; - u64 tlb_invalidate_all_W; - u64 smm_hid; - u64 mfc_accr_RW; - u64 mfc_dsisr_RW; - u64 mfc_dar_RW; - u64 rmt_index_RW; - u64 rmt_data1_RW; - u64 mfc_dsir_R; - u64 mfc_lsacr_RW; - u64 mfc_lscrr_R; - u64 mfc_tclass_id_RW; - u64 mfc_rm_boundary; - u64 smf_dma_signal_sel; - u64 smm_signal_sel; - u64 mfc_cer_R; - u64 pu_ecc_cntl_RW; - u64 pu_ecc_stat_RW; - u64 spu_ecc_addr_RW; - u64 spu_err_mask_RW; - u64 spu_trig0_sel; - u64 spu_trig1_sel; - u64 spu_trig2_sel; - u64 spu_trig3_sel; - u64 spu_trace_sel; - u64 spu_event0_sel; - u64 spu_event1_sel; - u64 spu_event2_sel; - u64 spu_event3_sel; - u64 spu_trace_cntl; -}; - -/* - * struct spu_priv2_collapsed - condensed privileged 2 area, w/o pads. - */ -struct spu_priv2_collapsed { - u64 slb_index_W; - u64 slb_esid_RW; - u64 slb_vsid_RW; - u64 slb_invalidate_entry_W; - u64 slb_invalidate_all_W; - struct mfc_cq_sr spuq[16]; - struct mfc_cq_sr puq[8]; - u64 mfc_control_RW; - u64 puint_mb_R; - u64 spu_privcntl_RW; - u64 spu_lslr_RW; - u64 spu_chnlcntptr_RW; - u64 spu_chnlcnt_RW; - u64 spu_chnldata_RW; - u64 spu_cfg_RW; - u64 spu_tag_status_query_RW; - u64 spu_cmd_buf1_RW; - u64 spu_cmd_buf2_RW; - u64 spu_atomic_status_RW; -}; - -/** - * struct spu_state - * @lscsa: Local Store Context Save Area. - * @prob: Collapsed Problem State Area, w/o pads. - * @priv1: Collapsed Privileged 1 Area, w/o pads. - * @priv2: Collapsed Privileged 2 Area, w/o pads. - * @spu_chnlcnt_RW: Array of saved channel counts. - * @spu_chnldata_RW: Array of saved channel data. - * @suspend_time: Time stamp when decrementer disabled. - * - * Structure representing the whole of the SPU - * context save area (CSA). This struct contains - * all of the state necessary to suspend and then - * later optionally resume execution of an SPU - * context. - * - * The @lscsa region is by far the largest, and is - * allocated separately so that it may either be - * pinned or mapped to/from application memory, as - * appropriate for the OS environment. - */ -struct spu_state { - struct spu_lscsa *lscsa; -#ifdef CONFIG_SPU_FS_64K_LS - int use_big_pages; - /* One struct page per 64k page */ -#define SPU_LSCSA_NUM_BIG_PAGES (sizeof(struct spu_lscsa) / 0x10000) - struct page *lscsa_pages[SPU_LSCSA_NUM_BIG_PAGES]; -#endif - struct spu_problem_collapsed prob; - struct spu_priv1_collapsed priv1; - struct spu_priv2_collapsed priv2; - u64 spu_chnlcnt_RW[32]; - u64 spu_chnldata_RW[32]; - u32 spu_mailbox_data[4]; - u32 pu_mailbox_data[1]; - u64 class_0_dar, class_0_pending; - u64 class_1_dar, class_1_dsisr; - unsigned long suspend_time; - spinlock_t register_lock; -}; - -#endif /* !__SPU__ */ -#endif /* __KERNEL__ */ -#endif /* !__ASSEMBLY__ */ -#endif /* _SPU_CSA_H_ */ |