/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* spu_csa . h : Definitions for SPU context save area ( CSA ) .
*
* ( C ) Copyright IBM 2005
*
* Author : Mark Nutter < mnutter @ us . ibm . com >
*/
#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 0 x3FFB
#define SPU_RESTORE_COMPLETE 0 x3FFC
/*
* 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 0 x1
#define SPU_DECR_STATUS_WRAPPED 0 x2
#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 64 k - 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;
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_ */
Messung V0.5 in Prozent C=94 H=100 G=96
¤ Diese beiden folgenden Angebotsgruppen bietet das Unternehmen0.10Angebot
(Wie Sie bei der Firma Beratungs- und Dienstleistungen beauftragen können 2026-10-02)
¤
*Eine klare Vorstellung vom Zielzustand