Files
linux-nvgpu/drivers/gpu/nvgpu/gk20a/gk20a.h
seshendra Gadagottu 2baab4e49e gpu: nvgpu: changes related to preemption
Added function pointers to check chip specific valid
gfx class and compute class. Also added function pointer
to update ctx header with preemption buffer pointers.

Bug 200292090

Change-Id: I8119ee082e2abb67186a8ac07088f8db7f410ba1
Signed-off-by: seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/1293502
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2017-05-10 14:16:06 -07:00

1534 lines
48 KiB
C

/*
* GK20A Graphics
*
* Copyright (c) 2011-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef GK20A_H
#define GK20A_H
struct gk20a;
struct fifo_gk20a;
struct channel_gk20a;
struct gr_gk20a;
struct sim_gk20a;
struct gk20a_ctxsw_ucode_segments;
struct gk20a_fecs_trace;
struct gk20a_ctxsw_trace;
struct acr_desc;
struct nvgpu_mem_alloc_tracker;
struct dbg_profiler_object_data;
#include <linux/sched.h>
#include <nvgpu/lock.h>
#include <nvgpu/thread.h>
#include <linux/irqreturn.h>
#include <linux/version.h>
#include <linux/cdev.h>
#ifdef CONFIG_DEBUG_FS
#include <linux/debugfs.h>
#endif
#include "../../../arch/arm/mach-tegra/iomap.h"
#include <nvgpu/as.h>
#include <nvgpu/log.h>
#include <nvgpu/pramin.h>
#include <nvgpu/acr/nvgpu_acr.h>
#include <nvgpu/kref.h>
#include <nvgpu/falcon.h>
#include "clk_gk20a.h"
#include "ce2_gk20a.h"
#include "fifo_gk20a.h"
#include "tsg_gk20a.h"
#include "gr_gk20a.h"
#include "sim_gk20a.h"
#include "pmu_gk20a.h"
#include "priv_ring_gk20a.h"
#include "therm_gk20a.h"
#include "platform_gk20a.h"
#include "gm20b/acr_gm20b.h"
#include "cde_gk20a.h"
#include "debug_gk20a.h"
#include "sched_gk20a.h"
#ifdef CONFIG_ARCH_TEGRA_18x_SOC
#include "clk/clk.h"
#include "clk/clk_arb.h"
#include "perf/perf.h"
#include "pmgr/pmgr.h"
#include "therm/thrm.h"
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 18, 0)
#define WRITE_ONCE(x, val) \
x = val
#endif
struct page_alloc_chunk;
/* PTIMER_REF_FREQ_HZ corresponds to a period of 32 nanoseconds.
32 ns is the resolution of ptimer. */
#define PTIMER_REF_FREQ_HZ 31250000
struct cooling_device_gk20a {
struct thermal_cooling_device *gk20a_cooling_dev;
unsigned int gk20a_freq_state;
unsigned int gk20a_freq_table_size;
struct gk20a *g;
};
#ifdef CONFIG_DEBUG_FS
struct railgate_stats {
unsigned long last_rail_gate_start;
unsigned long last_rail_gate_complete;
unsigned long last_rail_ungate_start;
unsigned long last_rail_ungate_complete;
unsigned long total_rail_gate_time_ms;
unsigned long total_rail_ungate_time_ms;
unsigned long railgating_cycle_count;
};
#endif
enum gk20a_cbc_op {
gk20a_cbc_op_clear,
gk20a_cbc_op_clean,
gk20a_cbc_op_invalidate,
};
#define MC_INTR_UNIT_DISABLE false
#define MC_INTR_UNIT_ENABLE true
#define GPU_LIT_NUM_GPCS 0
#define GPU_LIT_NUM_PES_PER_GPC 1
#define GPU_LIT_NUM_ZCULL_BANKS 2
#define GPU_LIT_NUM_TPC_PER_GPC 3
#define GPU_LIT_NUM_SM_PER_TPC 4
#define GPU_LIT_NUM_FBPS 5
#define GPU_LIT_GPC_BASE 6
#define GPU_LIT_GPC_STRIDE 7
#define GPU_LIT_GPC_SHARED_BASE 8
#define GPU_LIT_TPC_IN_GPC_BASE 9
#define GPU_LIT_TPC_IN_GPC_STRIDE 10
#define GPU_LIT_TPC_IN_GPC_SHARED_BASE 11
#define GPU_LIT_PPC_IN_GPC_BASE 12
#define GPU_LIT_PPC_IN_GPC_STRIDE 13
#define GPU_LIT_PPC_IN_GPC_SHARED_BASE 14
#define GPU_LIT_ROP_BASE 15
#define GPU_LIT_ROP_STRIDE 16
#define GPU_LIT_ROP_SHARED_BASE 17
#define GPU_LIT_HOST_NUM_ENGINES 18
#define GPU_LIT_HOST_NUM_PBDMA 19
#define GPU_LIT_LTC_STRIDE 20
#define GPU_LIT_LTS_STRIDE 21
#define GPU_LIT_NUM_FBPAS 22
#define GPU_LIT_FBPA_STRIDE 23
#define GPU_LIT_FBPA_BASE 24
#define GPU_LIT_FBPA_SHARED_BASE 25
#define nvgpu_get_litter_value(g, v) (g)->ops.get_litter_value((g), v)
struct gpu_ops {
struct {
int (*determine_L2_size_bytes)(struct gk20a *gk20a);
int (*init_comptags)(struct gk20a *g, struct gr_gk20a *gr);
int (*cbc_ctrl)(struct gk20a *g, enum gk20a_cbc_op op,
u32 min, u32 max);
void (*set_zbc_color_entry)(struct gk20a *g,
struct zbc_entry *color_val,
u32 index);
void (*set_zbc_depth_entry)(struct gk20a *g,
struct zbc_entry *depth_val,
u32 index);
void (*set_zbc_s_entry)(struct gk20a *g,
struct zbc_entry *s_val,
u32 index);
void (*init_cbc)(struct gk20a *g, struct gr_gk20a *gr);
#ifdef CONFIG_DEBUG_FS
void (*sync_debugfs)(struct gk20a *g);
#endif
void (*init_fs_state)(struct gk20a *g);
void (*isr)(struct gk20a *g);
u32 (*cbc_fix_config)(struct gk20a *g, int base);
void (*flush)(struct gk20a *g);
} ltc;
struct {
void (*isr_stall)(struct gk20a *g, u32 inst_id, u32 pri_base);
int (*isr_nonstall)(struct gk20a *g, u32 inst_id, u32 pri_base);
} ce2;
struct {
int (*init_fs_state)(struct gk20a *g);
int (*init_preemption_state)(struct gk20a *g);
void (*access_smpc_reg)(struct gk20a *g, u32 quad, u32 offset);
void (*bundle_cb_defaults)(struct gk20a *g);
void (*cb_size_default)(struct gk20a *g);
int (*calc_global_ctx_buffer_size)(struct gk20a *g);
void (*commit_global_attrib_cb)(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, bool patch);
void (*commit_global_bundle_cb)(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, u64 size, bool patch);
int (*commit_global_cb_manager)(struct gk20a *g,
struct channel_gk20a *ch,
bool patch);
void (*commit_global_pagepool)(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, u32 size, bool patch);
void (*init_gpc_mmu)(struct gk20a *g);
int (*handle_sw_method)(struct gk20a *g, u32 addr,
u32 class_num, u32 offset, u32 data);
void (*set_alpha_circular_buffer_size)(struct gk20a *g,
u32 data);
void (*set_circular_buffer_size)(struct gk20a *g, u32 data);
void (*enable_hww_exceptions)(struct gk20a *g);
bool (*is_valid_class)(struct gk20a *g, u32 class_num);
bool (*is_valid_gfx_class)(struct gk20a *g, u32 class_num);
bool (*is_valid_compute_class)(struct gk20a *g, u32 class_num);
void (*get_sm_dsm_perf_regs)(struct gk20a *g,
u32 *num_sm_dsm_perf_regs,
u32 **sm_dsm_perf_regs,
u32 *perf_register_stride);
void (*get_sm_dsm_perf_ctrl_regs)(struct gk20a *g,
u32 *num_sm_dsm_perf_regs,
u32 **sm_dsm_perf_regs,
u32 *perf_register_stride);
void (*set_hww_esr_report_mask)(struct gk20a *g);
int (*setup_alpha_beta_tables)(struct gk20a *g,
struct gr_gk20a *gr);
int (*falcon_load_ucode)(struct gk20a *g,
u64 addr_base,
struct gk20a_ctxsw_ucode_segments *segments,
u32 reg_offset);
int (*load_ctxsw_ucode)(struct gk20a *g);
u32 (*get_gpc_tpc_mask)(struct gk20a *g, u32 gpc_index);
void (*set_gpc_tpc_mask)(struct gk20a *g, u32 gpc_index);
void (*free_channel_ctx)(struct channel_gk20a *c);
int (*alloc_obj_ctx)(struct channel_gk20a *c,
struct nvgpu_alloc_obj_ctx_args *args);
int (*bind_ctxsw_zcull)(struct gk20a *g, struct gr_gk20a *gr,
struct channel_gk20a *c, u64 zcull_va,
u32 mode);
int (*get_zcull_info)(struct gk20a *g, struct gr_gk20a *gr,
struct gr_zcull_info *zcull_params);
bool (*is_tpc_addr)(struct gk20a *g, u32 addr);
u32 (*get_tpc_num)(struct gk20a *g, u32 addr);
bool (*is_ltcs_ltss_addr)(struct gk20a *g, u32 addr);
bool (*is_ltcn_ltss_addr)(struct gk20a *g, u32 addr);
bool (*get_lts_in_ltc_shared_base)(void);
void (*split_lts_broadcast_addr)(struct gk20a *g, u32 addr,
u32 *priv_addr_table,
u32 *priv_addr_table_index);
void (*split_ltc_broadcast_addr)(struct gk20a *g, u32 addr,
u32 *priv_addr_table,
u32 *priv_addr_table_index);
void (*detect_sm_arch)(struct gk20a *g);
int (*add_zbc_color)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *color_val, u32 index);
int (*add_zbc_depth)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *depth_val, u32 index);
int (*add_zbc_s)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *s_val, u32 index);
int (*zbc_set_table)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val);
int (*zbc_query_table)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_query_params *query_params);
int (*zbc_s_query_table)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_query_params *query_params);
int (*load_zbc_s_default_tbl)(struct gk20a *g,
struct gr_gk20a *gr);
int (*load_zbc_s_tbl)(struct gk20a *g,
struct gr_gk20a *gr);
void (*pmu_save_zbc)(struct gk20a *g, u32 entries);
int (*add_zbc)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val);
bool (*add_zbc_type_s)(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val, int *ret_val);
u32 (*pagepool_default_size)(struct gk20a *g);
int (*init_ctx_state)(struct gk20a *g);
int (*alloc_gr_ctx)(struct gk20a *g,
struct gr_ctx_desc **__gr_ctx, struct vm_gk20a *vm,
u32 class, u32 padding);
void (*free_gr_ctx)(struct gk20a *g,
struct vm_gk20a *vm,
struct gr_ctx_desc *gr_ctx);
void (*update_ctxsw_preemption_mode)(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
struct nvgpu_mem *mem);
int (*update_smpc_ctxsw_mode)(struct gk20a *g,
struct channel_gk20a *c,
bool enable);
int (*update_hwpm_ctxsw_mode)(struct gk20a *g,
struct channel_gk20a *c,
bool enable);
int (*dump_gr_regs)(struct gk20a *g,
struct gk20a_debug_output *o);
int (*update_pc_sampling)(struct channel_gk20a *ch,
bool enable);
u32 (*get_max_fbps_count)(struct gk20a *g);
u32 (*get_fbp_en_mask)(struct gk20a *g);
u32 (*get_max_ltc_per_fbp)(struct gk20a *g);
u32 (*get_max_lts_per_ltc)(struct gk20a *g);
u32* (*get_rop_l2_en_mask)(struct gk20a *g);
void (*init_sm_dsm_reg_info)(void);
int (*wait_empty)(struct gk20a *g, unsigned long duration_ms,
u32 expect_delay);
void (*init_cyclestats)(struct gk20a *g);
void (*enable_cde_in_fecs)(struct gk20a *g,
struct nvgpu_mem *mem);
int (*set_sm_debug_mode)(struct gk20a *g, struct channel_gk20a *ch,
u64 sms, bool enable);
void (*bpt_reg_info)(struct gk20a *g,
struct warpstate *w_state);
void (*get_access_map)(struct gk20a *g,
u32 **whitelist, int *num_entries);
int (*handle_fecs_error)(struct gk20a *g,
struct channel_gk20a *ch,
struct gr_gk20a_isr_data *isr_data);
int (*pre_process_sm_exception)(struct gk20a *g,
u32 gpc, u32 tpc, u32 global_esr, u32 warp_esr,
bool sm_debugger_attached,
struct channel_gk20a *fault_ch,
bool *early_exit, bool *ignore_debugger);
u32 (*mask_hww_warp_esr)(u32 hww_warp_esr);
int (*handle_sm_exception)(struct gk20a *g, u32 gpc, u32 tpc,
bool *post_event, struct channel_gk20a *fault_ch,
u32 *hww_global_esr);
int (*handle_tex_exception)(struct gk20a *g, u32 gpc, u32 tpc,
bool *post_event);
void (*enable_gpc_exceptions)(struct gk20a *g);
void (*create_gr_sysfs)(struct device *dev);
u32 (*get_lrf_tex_ltc_dram_override)(struct gk20a *g);
int (*record_sm_error_state)(struct gk20a *g,
u32 gpc, u32 tpc);
int (*update_sm_error_state)(struct gk20a *g,
struct channel_gk20a *ch, u32 sm_id,
struct nvgpu_dbg_gpu_sm_error_state_record *
sm_error_state);
int (*clear_sm_error_state)(struct gk20a *g,
struct channel_gk20a *ch, u32 sm_id);
int (*suspend_contexts)(struct gk20a *g,
struct dbg_session_gk20a *dbg_s,
int *ctx_resident_ch_fd);
int (*resume_contexts)(struct gk20a *g,
struct dbg_session_gk20a *dbg_s,
int *ctx_resident_ch_fd);
int (*set_preemption_mode)(struct channel_gk20a *ch,
u32 graphics_preempt_mode,
u32 compute_preempt_mode);
int (*get_preemption_mode_flags)(struct gk20a *g,
struct nvgpu_preemption_modes_rec *preemption_modes_rec);
int (*set_ctxsw_preemption_mode)(struct gk20a *g,
struct gr_ctx_desc *gr_ctx,
struct vm_gk20a *vm, u32 class,
u32 graphics_preempt_mode,
u32 compute_preempt_mode);
int (*set_boosted_ctx)(struct channel_gk20a *ch, bool boost);
void (*update_boosted_ctx)(struct gk20a *g,
struct nvgpu_mem *mem,
struct gr_ctx_desc *gr_ctx);
int (*fuse_override)(struct gk20a *g);
void (*init_sm_id_table)(struct gk20a *g);
int (*load_smid_config)(struct gk20a *g);
void (*program_sm_id_numbering)(struct gk20a *g,
u32 gpc, u32 tpc, u32 smid);
void (*program_active_tpc_counts)(struct gk20a *g, u32 gpc);
int (*setup_rop_mapping)(struct gk20a *g, struct gr_gk20a *gr);
int (*init_sw_veid_bundle)(struct gk20a *g);
void (*program_zcull_mapping)(struct gk20a *g,
u32 zcull_alloc_num, u32 *zcull_map_tiles);
int (*commit_global_timeslice)(struct gk20a *g,
struct channel_gk20a *c, bool patch);
int (*commit_inst)(struct channel_gk20a *c, u64 gpu_va);
void (*restore_context_header)(struct gk20a *g, struct nvgpu_mem *ctxheader);
void (*write_zcull_ptr)(struct gk20a *g,
struct nvgpu_mem *mem, u64 gpu_va);
void (*write_pm_ptr)(struct gk20a *g,
struct nvgpu_mem *mem, u64 gpu_va);
void (*write_preemption_ptr)(struct gk20a *g,
struct nvgpu_mem *mem, u64 gpu_va);
void (*init_elcg_mode)(struct gk20a *g, u32 mode, u32 engine);
void (*load_tpc_mask)(struct gk20a *g);
int (*inval_icache)(struct gk20a *g, struct channel_gk20a *ch);
int (*trigger_suspend)(struct gk20a *g);
int (*wait_for_pause)(struct gk20a *g, struct warpstate *w_state);
int (*resume_from_pause)(struct gk20a *g);
int (*clear_sm_errors)(struct gk20a *g);
u32 (*tpc_enabled_exceptions)(struct gk20a *g);
} gr;
struct {
void (*init_hw)(struct gk20a *g);
void (*init_fs_state)(struct gk20a *g);
void (*reset)(struct gk20a *g);
void (*init_uncompressed_kind_map)(struct gk20a *g);
void (*init_kind_attr)(struct gk20a *g);
void (*set_mmu_page_size)(struct gk20a *g);
bool (*set_use_full_comp_tag_line)(struct gk20a *g);
unsigned int (*compression_page_size)(struct gk20a *g);
unsigned int (*compressible_page_size)(struct gk20a *g);
void (*dump_vpr_wpr_info)(struct gk20a *g);
int (*vpr_info_fetch)(struct gk20a *g);
bool (*is_debug_mode_enabled)(struct gk20a *g);
void (*set_debug_mode)(struct gk20a *g, bool enable);
void (*tlb_invalidate)(struct gk20a *g, struct nvgpu_mem *pdb);
void (*hub_isr)(struct gk20a *g);
} fb;
struct {
void (*slcg_bus_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_ce2_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_chiplet_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_ctxsw_firmware_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_fb_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_fifo_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_gr_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_ltc_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_perf_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_priring_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_pmu_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_therm_load_gating_prod)(struct gk20a *g, bool prod);
void (*slcg_xbar_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_bus_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_ce_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_ctxsw_firmware_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_fb_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_fifo_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_gr_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_ltc_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_pwr_csb_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_pmu_load_gating_prod)(struct gk20a *g, bool prod);
void (*blcg_xbar_load_gating_prod)(struct gk20a *g, bool prod);
void (*pg_gr_load_gating_prod)(struct gk20a *g, bool prod);
} clock_gating;
struct {
int (*init_fifo_setup_hw)(struct gk20a *g);
void (*bind_channel)(struct channel_gk20a *ch_gk20a);
void (*unbind_channel)(struct channel_gk20a *ch_gk20a);
void (*disable_channel)(struct channel_gk20a *ch);
void (*enable_channel)(struct channel_gk20a *ch);
int (*alloc_inst)(struct gk20a *g, struct channel_gk20a *ch);
void (*free_inst)(struct gk20a *g, struct channel_gk20a *ch);
int (*setup_ramfc)(struct channel_gk20a *c, u64 gpfifo_base,
u32 gpfifo_entries,
unsigned long acquire_timeout,
u32 flags);
int (*resetup_ramfc)(struct channel_gk20a *c);
int (*preempt_channel)(struct gk20a *g, u32 hw_chid);
int (*preempt_tsg)(struct gk20a *g, u32 tsgid);
int (*update_runlist)(struct gk20a *g, u32 runlist_id,
u32 hw_chid, bool add,
bool wait_for_finish);
void (*trigger_mmu_fault)(struct gk20a *g,
unsigned long engine_ids);
void (*apply_pb_timeout)(struct gk20a *g);
int (*wait_engine_idle)(struct gk20a *g);
u32 (*get_num_fifos)(struct gk20a *g);
u32 (*get_pbdma_signature)(struct gk20a *g);
int (*channel_set_priority)(struct channel_gk20a *ch, u32 priority);
int (*set_runlist_interleave)(struct gk20a *g, u32 id,
bool is_tsg, u32 runlist_id,
u32 new_level);
int (*channel_set_timeslice)(struct channel_gk20a *ch,
u32 timeslice);
int (*tsg_set_timeslice)(struct tsg_gk20a *tsg, u32 timeslice);
int (*force_reset_ch)(struct channel_gk20a *ch,
u32 err_code, bool verbose);
int (*engine_enum_from_type)(struct gk20a *g, u32 engine_type,
u32 *inst_id);
void (*device_info_data_parse)(struct gk20a *g,
u32 table_entry, u32 *inst_id,
u32 *pri_base, u32 *fault_id);
u32 (*device_info_fault_id)(u32 table_entry);
int (*tsg_bind_channel)(struct tsg_gk20a *tsg,
struct channel_gk20a *ch);
int (*tsg_unbind_channel)(struct channel_gk20a *ch);
int (*tsg_open)(struct tsg_gk20a *tsg);
u32 (*eng_runlist_base_size)(void);
int (*init_engine_info)(struct fifo_gk20a *f);
u32 (*runlist_entry_size)(void);
void (*get_tsg_runlist_entry)(struct tsg_gk20a *tsg,
u32 *runlist);
void (*get_ch_runlist_entry)(struct channel_gk20a *ch,
u32 *runlist);
u32 (*userd_gp_get)(struct gk20a *g, struct channel_gk20a *ch);
void (*userd_gp_put)(struct gk20a *g, struct channel_gk20a *ch);
void (*free_channel_ctx_header)(struct channel_gk20a *ch);
bool (*is_fault_engine_subid_gpc)(struct gk20a *g,
u32 engine_subid);
void (*dump_pbdma_status)(struct gk20a *g,
struct gk20a_debug_output *o);
void (*dump_eng_status)(struct gk20a *g,
struct gk20a_debug_output *o);
void (*dump_channel_status_ramfc)(struct gk20a *g,
struct gk20a_debug_output *o, u32 hw_chid,
struct ch_state *ch_state);
u32 (*intr_0_error_mask)(struct gk20a *g);
int (*is_preempt_pending)(struct gk20a *g, u32 id,
unsigned int id_type, unsigned int timeout_rc_type);
int (*preempt_ch_tsg)(struct gk20a *g, u32 id,
unsigned int id_type, unsigned int timeout_rc_type);
void (*init_pbdma_intr_descs)(struct fifo_gk20a *f);
int (*reset_enable_hw)(struct gk20a *g);
int (*setup_userd)(struct channel_gk20a *c);
u32 (*pbdma_acquire_val)(u64 timeout);
void (*teardown_ch_tsg)(struct gk20a *g, u32 act_eng_bitmask,
u32 id, unsigned int id_type, unsigned int rc_type,
struct mmu_fault_info *mmfault);
bool (*handle_sched_error)(struct gk20a *g);
bool (*handle_ctxsw_timeout)(struct gk20a *g, u32 fifo_intr);
unsigned int (*handle_pbdma_intr_0)(struct gk20a *g,
u32 pbdma_id, u32 pbdma_intr_0,
u32 *handled, u32 *error_notifier);
} fifo;
struct pmu_v {
/*used for change of enum zbc update cmd id from ver 0 to ver1*/
u32 cmd_id_zbc_table_update;
bool is_pmu_zbc_save_supported;
u32 (*get_pmu_cmdline_args_size)(struct pmu_gk20a *pmu);
void (*set_pmu_cmdline_args_cpu_freq)(struct pmu_gk20a *pmu,
u32 freq);
void (*set_pmu_cmdline_args_trace_size)(struct pmu_gk20a *pmu,
u32 size);
void (*set_pmu_cmdline_args_trace_dma_base)(
struct pmu_gk20a *pmu);
void (*set_pmu_cmdline_args_trace_dma_idx)(
struct pmu_gk20a *pmu, u32 idx);
void * (*get_pmu_cmdline_args_ptr)(struct pmu_gk20a *pmu);
u32 (*get_pmu_allocation_struct_size)(struct pmu_gk20a *pmu);
void (*set_pmu_allocation_ptr)(struct pmu_gk20a *pmu,
void **pmu_alloc_ptr, void *assign_ptr);
void (*pmu_allocation_set_dmem_size)(struct pmu_gk20a *pmu,
void *pmu_alloc_ptr, u16 size);
u16 (*pmu_allocation_get_dmem_size)(struct pmu_gk20a *pmu,
void *pmu_alloc_ptr);
u32 (*pmu_allocation_get_dmem_offset)(struct pmu_gk20a *pmu,
void *pmu_alloc_ptr);
u32 * (*pmu_allocation_get_dmem_offset_addr)(
struct pmu_gk20a *pmu, void *pmu_alloc_ptr);
void (*pmu_allocation_set_dmem_offset)(struct pmu_gk20a *pmu,
void *pmu_alloc_ptr, u32 offset);
void * (*pmu_allocation_get_fb_addr)(
struct pmu_gk20a *pmu, void *pmu_alloc_ptr);
u32 (*pmu_allocation_get_fb_size)(
struct pmu_gk20a *pmu, void *pmu_alloc_ptr);
void (*get_pmu_init_msg_pmu_queue_params)(
struct pmu_queue *queue, u32 id,
void *pmu_init_msg);
void *(*get_pmu_msg_pmu_init_msg_ptr)(
struct pmu_init_msg *init);
u16 (*get_pmu_init_msg_pmu_sw_mg_off)(
union pmu_init_msg_pmu *init_msg);
u16 (*get_pmu_init_msg_pmu_sw_mg_size)(
union pmu_init_msg_pmu *init_msg);
u32 (*get_pmu_perfmon_cmd_start_size)(void);
int (*get_perfmon_cmd_start_offsetofvar)(
enum pmu_perfmon_cmd_start_fields field);
void (*perfmon_start_set_cmd_type)(struct pmu_perfmon_cmd *pc,
u8 value);
void (*perfmon_start_set_group_id)(struct pmu_perfmon_cmd *pc,
u8 value);
void (*perfmon_start_set_state_id)(struct pmu_perfmon_cmd *pc,
u8 value);
void (*perfmon_start_set_flags)(struct pmu_perfmon_cmd *pc,
u8 value);
u8 (*perfmon_start_get_flags)(struct pmu_perfmon_cmd *pc);
u32 (*get_pmu_perfmon_cmd_init_size)(void);
int (*get_perfmon_cmd_init_offsetofvar)(
enum pmu_perfmon_cmd_start_fields field);
void (*perfmon_cmd_init_set_sample_buffer)(
struct pmu_perfmon_cmd *pc, u16 value);
void (*perfmon_cmd_init_set_dec_cnt)(
struct pmu_perfmon_cmd *pc, u8 value);
void (*perfmon_cmd_init_set_base_cnt_id)(
struct pmu_perfmon_cmd *pc, u8 value);
void (*perfmon_cmd_init_set_samp_period_us)(
struct pmu_perfmon_cmd *pc, u32 value);
void (*perfmon_cmd_init_set_num_cnt)(struct pmu_perfmon_cmd *pc,
u8 value);
void (*perfmon_cmd_init_set_mov_avg)(struct pmu_perfmon_cmd *pc,
u8 value);
void *(*get_pmu_seq_in_a_ptr)(
struct pmu_sequence *seq);
void *(*get_pmu_seq_out_a_ptr)(
struct pmu_sequence *seq);
void (*set_pmu_cmdline_args_secure_mode)(struct pmu_gk20a *pmu,
u32 val);
u32 (*get_perfmon_cntr_sz)(struct pmu_gk20a *pmu);
void * (*get_perfmon_cntr_ptr)(struct pmu_gk20a *pmu);
void (*set_perfmon_cntr_ut)(struct pmu_gk20a *pmu, u16 ut);
void (*set_perfmon_cntr_lt)(struct pmu_gk20a *pmu, u16 lt);
void (*set_perfmon_cntr_valid)(struct pmu_gk20a *pmu, u8 val);
void (*set_perfmon_cntr_index)(struct pmu_gk20a *pmu, u8 val);
void (*set_perfmon_cntr_group_id)(struct pmu_gk20a *pmu,
u8 gid);
u8 (*pg_cmd_eng_buf_load_size)(struct pmu_pg_cmd *pg);
void (*pg_cmd_eng_buf_load_set_cmd_type)(struct pmu_pg_cmd *pg,
u8 value);
void (*pg_cmd_eng_buf_load_set_engine_id)(struct pmu_pg_cmd *pg,
u8 value);
void (*pg_cmd_eng_buf_load_set_buf_idx)(struct pmu_pg_cmd *pg,
u8 value);
void (*pg_cmd_eng_buf_load_set_pad)(struct pmu_pg_cmd *pg,
u8 value);
void (*pg_cmd_eng_buf_load_set_buf_size)(struct pmu_pg_cmd *pg,
u16 value);
void (*pg_cmd_eng_buf_load_set_dma_base)(struct pmu_pg_cmd *pg,
u32 value);
void (*pg_cmd_eng_buf_load_set_dma_offset)(struct pmu_pg_cmd *pg,
u8 value);
void (*pg_cmd_eng_buf_load_set_dma_idx)(struct pmu_pg_cmd *pg,
u8 value);
} pmu_ver;
struct {
int (*get_netlist_name)(struct gk20a *g, int index, char *name);
bool (*is_fw_defined)(void);
bool use_dma_for_fw_bootstrap;
} gr_ctx;
struct {
int (*init)(struct gk20a *g);
int (*max_entries)(struct gk20a *,
struct nvgpu_ctxsw_trace_filter *);
int (*flush)(struct gk20a *g);
int (*poll)(struct gk20a *g);
int (*enable)(struct gk20a *g);
int (*disable)(struct gk20a *g);
bool (*is_enabled)(struct gk20a *g);
int (*reset)(struct gk20a *g);
int (*bind_channel)(struct gk20a *, struct channel_gk20a *);
int (*unbind_channel)(struct gk20a *, struct channel_gk20a *);
int (*deinit)(struct gk20a *g);
int (*alloc_user_buffer)(struct gk20a *g,
void **buf, size_t *size);
int (*free_user_buffer)(struct gk20a *g);
int (*mmap_user_buffer)(struct gk20a *g,
struct vm_area_struct *vma);
int (*set_filter)(struct gk20a *g,
struct nvgpu_ctxsw_trace_filter *filter);
} fecs_trace;
struct {
bool (*support_sparse)(struct gk20a *g);
u64 (*gmmu_map)(struct vm_gk20a *vm,
u64 map_offset,
struct sg_table *sgt,
u64 buffer_offset,
u64 size,
int pgsz_idx,
u8 kind_v,
u32 ctag_offset,
u32 flags,
int rw_flag,
bool clear_ctags,
bool sparse,
bool priv,
struct vm_gk20a_mapping_batch *batch,
enum nvgpu_aperture aperture);
void (*gmmu_unmap)(struct vm_gk20a *vm,
u64 vaddr,
u64 size,
int pgsz_idx,
bool va_allocated,
int rw_flag,
bool sparse,
struct vm_gk20a_mapping_batch *batch);
void (*vm_remove)(struct vm_gk20a *vm);
int (*vm_alloc_share)(struct gk20a_as_share *as_share,
u32 big_page_size, u32 flags);
int (*vm_bind_channel)(struct gk20a_as_share *as_share,
struct channel_gk20a *ch);
int (*fb_flush)(struct gk20a *g);
void (*l2_invalidate)(struct gk20a *g);
void (*l2_flush)(struct gk20a *g, bool invalidate);
void (*cbc_clean)(struct gk20a *g);
void (*set_big_page_size)(struct gk20a *g,
struct nvgpu_mem *mem, int size);
u32 (*get_big_page_sizes)(void);
u32 (*get_physical_addr_bits)(struct gk20a *g);
int (*init_mm_setup_hw)(struct gk20a *g);
bool (*is_bar1_supported)(struct gk20a *g);
int (*init_bar2_vm)(struct gk20a *g);
int (*init_bar2_mm_hw_setup)(struct gk20a *g);
void (*remove_bar2_vm)(struct gk20a *g);
const struct gk20a_mmu_level *
(*get_mmu_levels)(struct gk20a *g, u32 big_page_size);
void (*init_pdb)(struct gk20a *g, struct nvgpu_mem *inst_block,
struct vm_gk20a *vm);
u64 (*get_iova_addr)(struct gk20a *g, struct scatterlist *sgl,
u32 flags);
size_t (*get_vidmem_size)(struct gk20a *g);
void (*init_inst_block)(struct nvgpu_mem *inst_block,
struct vm_gk20a *vm, u32 big_page_size);
bool (*mmu_fault_pending)(struct gk20a *g);
} mm;
struct {
u32 (*enter)(struct gk20a *g, struct nvgpu_mem *mem,
struct page_alloc_chunk *chunk, u32 w);
void (*exit)(struct gk20a *g, struct nvgpu_mem *mem,
struct page_alloc_chunk *chunk);
u32 (*data032_r)(u32 i);
} pramin;
struct {
int (*init_therm_setup_hw)(struct gk20a *g);
int (*elcg_init_idle_filters)(struct gk20a *g);
#ifdef CONFIG_DEBUG_FS
void (*therm_debugfs_init)(struct gk20a *g);
#endif
int (*get_internal_sensor_curr_temp)(struct gk20a *g, u32 *temp_f24_8);
void (*get_internal_sensor_limits)(s32 *max_24_8,
s32 *min_24_8);
u32 (*configure_therm_alert)(struct gk20a *g, s32 curr_warn_temp);
} therm;
struct {
bool (*is_pmu_supported)(struct gk20a *g);
int (*prepare_ucode)(struct gk20a *g);
int (*pmu_setup_hw_and_bootstrap)(struct gk20a *g);
int (*pmu_nsbootstrap)(struct pmu_gk20a *pmu);
int (*pmu_setup_elpg)(struct gk20a *g);
u32 (*pmu_get_queue_head)(u32 i);
u32 (*pmu_get_queue_head_size)(void);
u32 (*pmu_get_queue_tail_size)(void);
u32 (*pmu_get_queue_tail)(u32 i);
int (*init_wpr_region)(struct gk20a *g);
int (*load_lsfalcon_ucode)(struct gk20a *g, u32 falconidmask);
void (*write_dmatrfbase)(struct gk20a *g, u32 addr);
void (*pmu_elpg_statistics)(struct gk20a *g, u32 pg_engine_id,
struct pmu_pg_stats_data *pg_stat_data);
int (*pmu_pg_init_param)(struct gk20a *g, u32 pg_engine_id);
u32 (*pmu_pg_supported_engines_list)(struct gk20a *g);
u32 (*pmu_pg_engines_feature_list)(struct gk20a *g,
u32 pg_engine_id);
bool (*pmu_is_lpwr_feature_supported)(struct gk20a *g,
u32 feature_id);
int (*pmu_lpwr_enable_pg)(struct gk20a *g, bool pstate_lock);
int (*pmu_lpwr_disable_pg)(struct gk20a *g, bool pstate_lock);
u32 (*pmu_pg_param_post_init)(struct gk20a *g);
int (*send_lrf_tex_ltc_dram_overide_en_dis_cmd)
(struct gk20a *g, u32 mask);
void (*dump_secure_fuses)(struct gk20a *g);
int (*reset)(struct gk20a *g);
int (*falcon_wait_for_halt)(struct gk20a *g,
unsigned int timeout);
int (*falcon_clear_halt_interrupt_status)(struct gk20a *g,
unsigned int timeout);
int (*init_falcon_setup_hw)(struct gk20a *g,
void *desc, u32 bl_sz);
bool (*is_lazy_bootstrap)(u32 falcon_id);
bool (*is_priv_load)(u32 falcon_id);
void (*get_wpr)(struct gk20a *g, struct wpr_carveout_info *inf);
int (*alloc_blob_space)(struct gk20a *g,
size_t size, struct nvgpu_mem *mem);
int (*pmu_populate_loader_cfg)(struct gk20a *g,
void *lsfm, u32 *p_bl_gen_desc_size);
int (*flcn_populate_bl_dmem_desc)(struct gk20a *g,
void *lsfm, u32 *p_bl_gen_desc_size, u32 falconid);
int (*mclk_init)(struct gk20a *g);
void (*mclk_deinit)(struct gk20a *g);
u32 lspmuwprinitdone;
u32 lsfloadedfalconid;
bool fecsbootstrapdone;
} pmu;
struct {
void (*disable_slowboot)(struct gk20a *g);
int (*init_clk_support)(struct gk20a *g);
int (*suspend_clk_support)(struct gk20a *g);
u32 (*get_crystal_clk_hz)(struct gk20a *g);
unsigned long (*measure_freq)(struct gk20a *g, u32 api_domain);
unsigned long (*get_rate)(struct gk20a *g, u32 api_domain);
int (*set_rate)(struct gk20a *g, u32 api_domain, unsigned long rate);
} clk;
struct {
u32 (*get_arbiter_clk_domains)(struct gk20a *g);
int (*get_arbiter_clk_range)(struct gk20a *g, u32 api_domain,
u16 *min_mhz, u16 *max_mhz);
int (*get_arbiter_clk_default)(struct gk20a *g, u32 api_domain,
u16 *default_mhz);
/* This function is inherently unsafe to call while
* arbiter is running arbiter must be blocked
* before calling this function */
int (*get_current_pstate)(struct gk20a *g);
} clk_arb;
struct {
int (*handle_pmu_perf_event)(struct gk20a *g, void *pmu_msg);
} perf;
bool privsecurity;
bool securegpccs;
bool pmupstate;
struct {
const struct regop_offset_range* (
*get_global_whitelist_ranges)(void);
int (*get_global_whitelist_ranges_count)(void);
const struct regop_offset_range* (
*get_context_whitelist_ranges)(void);
int (*get_context_whitelist_ranges_count)(void);
const u32* (*get_runcontrol_whitelist)(void);
int (*get_runcontrol_whitelist_count)(void);
const struct regop_offset_range* (
*get_runcontrol_whitelist_ranges)(void);
int (*get_runcontrol_whitelist_ranges_count)(void);
const u32* (*get_qctl_whitelist)(void);
int (*get_qctl_whitelist_count)(void);
const struct regop_offset_range* (
*get_qctl_whitelist_ranges)(void);
int (*get_qctl_whitelist_ranges_count)(void);
int (*apply_smpc_war)(struct dbg_session_gk20a *dbg_s);
} regops;
struct {
void (*intr_enable)(struct gk20a *g);
void (*intr_unit_config)(struct gk20a *g,
bool enable, bool is_stalling, u32 unit);
irqreturn_t (*isr_stall)(struct gk20a *g);
irqreturn_t (*isr_nonstall)(struct gk20a *g);
irqreturn_t (*isr_thread_stall)(struct gk20a *g);
void (*isr_thread_nonstall)(struct gk20a *g, u32 intr);
void (*isr_nonstall_cb)(struct work_struct *work);
bool (*is_intr_hub_pending)(struct gk20a *g, u32 mc_intr);
u32 intr_mask_restore[4];
void (*enable)(struct gk20a *g, u32 units);
void (*disable)(struct gk20a *g, u32 units);
void (*reset)(struct gk20a *g, u32 units);
u32 (*boot_0)(struct gk20a *g, u32 *arch, u32 *impl, u32 *rev);
} mc;
struct {
void (*show_dump)(struct gk20a *g,
struct gk20a_debug_output *o);
} debug;
struct {
int (*exec_reg_ops)(struct dbg_session_gk20a *dbg_s,
struct nvgpu_dbg_gpu_reg_op *ops,
u64 num_ops);
int (*dbg_set_powergate)(struct dbg_session_gk20a *dbg_s,
u32 mode);
bool (*check_and_set_global_reservation)(
struct dbg_session_gk20a *dbg_s,
struct dbg_profiler_object_data *prof_obj);
bool (*check_and_set_context_reservation)(
struct dbg_session_gk20a *dbg_s,
struct dbg_profiler_object_data *prof_obj);
void (*release_profiler_reservation)(
struct dbg_session_gk20a *dbg_s,
struct dbg_profiler_object_data *prof_obj);
} dbg_session_ops;
struct {
void (*get_program_numbers)(struct gk20a *g,
u32 block_height_log2,
int *hprog, int *vprog);
bool (*need_scatter_buffer)(struct gk20a *g);
int (*populate_scatter_buffer)(struct gk20a *g,
struct sg_table *sgt,
size_t surface_size,
void *scatter_buffer_ptr,
size_t scatter_buffer_size);
} cde;
int (*get_litter_value)(struct gk20a *g, int value);
int (*chip_init_gpu_characteristics)(struct gk20a *g);
struct {
void (*init_hw)(struct gk20a *g);
void (*isr)(struct gk20a *g);
int (*read_ptimer)(struct gk20a *g, u64 *value);
int (*bar1_bind)(struct gk20a *g, struct nvgpu_mem *bar1_inst);
} bus;
int (*bios_init)(struct gk20a *g);
#if defined(CONFIG_GK20A_CYCLE_STATS)
struct {
int (*enable_snapshot)(struct channel_gk20a *ch,
struct gk20a_cs_snapshot_client *client);
void (*disable_snapshot)(struct gr_gk20a *gr);
int (*check_data_available)(struct channel_gk20a *ch,
u32 *pending,
bool *hw_overflow);
void (*set_handled_snapshots)(struct gk20a *g, u32 num);
u32 (*allocate_perfmon_ids)(struct gk20a_cs_snapshot *data,
u32 count);
u32 (*release_perfmon_ids)(struct gk20a_cs_snapshot *data,
u32 start,
u32 count);
int (*detach_snapshot)(struct channel_gk20a *ch,
struct gk20a_cs_snapshot_client *client);
} css;
#endif
struct {
int (*sw_init)(struct device *dev);
int (*get_speed)(struct gk20a *g, u32 *xve_link_speed);
int (*set_speed)(struct gk20a *g, u32 xve_link_speed);
void (*available_speeds)(struct gk20a *g, u32 *speed_mask);
u32 (*xve_readl)(struct gk20a *g, u32 reg);
void (*xve_writel)(struct gk20a *g, u32 reg, u32 val);
void (*disable_aspm)(struct gk20a *g);
void (*reset_gpu)(struct gk20a *g);
#if defined(CONFIG_PCI_MSI)
void (*rearm_msi)(struct gk20a *g);
#endif
void (*enable_shadow_rom)(struct gk20a *g);
void (*disable_shadow_rom)(struct gk20a *g);
} xve;
struct {
void (*falcon_hal_sw_init)(struct nvgpu_falcon *flcn);
} falcon;
};
struct nvgpu_bios_ucode {
u8 *bootloader;
u32 bootloader_phys_base;
u32 bootloader_size;
u8 *ucode;
u32 phys_base;
u32 size;
u8 *dmem;
u32 dmem_phys_base;
u32 dmem_size;
u32 code_entry_point;
};
struct nvgpu_bios {
u8 *data;
size_t size;
struct nvgpu_bios_ucode devinit;
struct nvgpu_bios_ucode preos;
u8 *devinit_tables;
u32 devinit_tables_size;
u8 *bootscripts;
u32 bootscripts_size;
u8 mem_strap_data_count;
u16 mem_strap_xlat_tbl_ptr;
u32 condition_table_ptr;
u32 devinit_tables_phys_base;
u32 devinit_script_phys_base;
struct bit_token *perf_token;
struct bit_token *clock_token;
struct bit_token *virt_token;
u32 expansion_rom_offset;
};
struct gk20a {
struct device *dev;
struct platform_device *host1x_dev;
atomic_t usage_count;
int driver_is_dying;
atomic_t nonstall_ops;
struct work_struct nonstall_fn_work;
struct workqueue_struct *nonstall_work_queue;
bool is_fmodel;
struct kref refcount;
struct resource *reg_mem;
void __iomem *regs;
void __iomem *regs_saved;
struct resource *bar1_mem;
void __iomem *bar1;
void __iomem *bar1_saved;
const char *name;
bool gpu_reset_done;
bool power_on;
bool suspended;
u32 log_mask;
u32 log_trace;
struct rw_semaphore busy_lock;
struct nvgpu_falcon pmu_flcn;
struct nvgpu_falcon sec2_flcn;
struct nvgpu_falcon fecs_flcn;
struct nvgpu_falcon gpccs_flcn;
struct clk_gk20a clk;
struct fifo_gk20a fifo;
struct gr_gk20a gr;
struct sim_gk20a sim;
struct mm_gk20a mm;
struct pmu_gk20a pmu;
struct acr_desc acr;
struct cooling_device_gk20a gk20a_cdev;
#ifdef CONFIG_ARCH_TEGRA_18x_SOC
struct clk_pmupstate clk_pmu;
struct perf_pmupstate perf_pmu;
struct pmgr_pmupstate pmgr_pmu;
struct therm_pmupstate therm_pmu;
#endif
#ifdef CONFIG_DEBUG_FS
struct railgate_stats pstats;
#endif
u32 gr_idle_timeout_default;
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
u32 timeouts_enabled;
#else
bool timeouts_enabled;
#endif
unsigned int ch_wdt_timeout_ms;
struct nvgpu_mutex poweroff_lock;
/* Channel priorities */
u32 timeslice_low_priority_us;
u32 timeslice_medium_priority_us;
u32 timeslice_high_priority_us;
u32 min_timeslice_us;
u32 max_timeslice_us;
#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
u32 runlist_interleave;
#else
bool runlist_interleave;
#endif
bool slcg_enabled;
bool blcg_enabled;
bool elcg_enabled;
bool elpg_enabled;
bool aelpg_enabled;
bool can_elpg;
bool mscg_enabled;
bool forced_idle;
bool forced_reset;
bool allow_all;
u32 default_pri_timeout;
u32 ptimer_src_freq;
unsigned int aggressive_sync_destroy_thresh;
bool aggressive_sync_destroy;
bool has_syncpoints;
/* Debugfs knob for forcing syncpt support off in runtime. */
u32 disable_syncpoints;
bool support_pmu;
bool is_virtual;
u32 emc3d_ratio;
#ifdef CONFIG_DEBUG_FS
struct nvgpu_spinlock debugfs_lock;
struct dentry *debugfs_ltc_enabled;
struct dentry *debugfs_timeouts_enabled;
struct dentry *debugfs_gr_idle_timeout_default;
struct dentry *debugfs_bypass_smmu;
struct dentry *debugfs_disable_bigpage;
struct dentry *debugfs_gr_default_attrib_cb_size;
struct dentry *debugfs_timeslice_low_priority_us;
struct dentry *debugfs_timeslice_medium_priority_us;
struct dentry *debugfs_timeslice_high_priority_us;
struct dentry *debugfs_runlist_interleave;
struct dentry *debugfs_allocators;
struct dentry *debugfs_xve;
struct dentry *debugfs_kmem;
#endif
struct gk20a_ctxsw_ucode_info ctxsw_ucode_info;
/*
* A group of semaphore pools. One for each channel.
*/
struct nvgpu_semaphore_sea *sema_sea;
/* List of pending SW semaphore waits. */
struct nvgpu_list_node pending_sema_waits;
struct nvgpu_raw_spinlock pending_sema_waits_lock;
/* held while manipulating # of debug/profiler sessions present */
/* also prevents debug sessions from attaching until released */
struct nvgpu_mutex dbg_sessions_lock;
int dbg_powergating_disabled_refcount; /*refcount for pg disable */
int dbg_timeout_disabled_refcount; /*refcount for timeout disable */
/* must have dbg_sessions_lock before use */
struct nvgpu_dbg_gpu_reg_op *dbg_regops_tmp_buf;
u32 dbg_regops_tmp_buf_ops;
/* For perfbuf mapping */
struct {
struct dbg_session_gk20a *owner;
u64 offset;
} perfbuf;
/* For profiler reservations */
struct nvgpu_list_node profiler_objects;
bool global_profiler_reservation_held;
int profiler_reservation_count;
void (*remove_support)(struct gk20a *);
u64 pg_ingating_time_us;
u64 pg_ungating_time_us;
u32 pg_gating_cnt;
struct nvgpu_spinlock mc_enable_lock;
struct nvgpu_gpu_characteristics gpu_characteristics;
struct {
struct cdev cdev;
struct device *node;
} channel;
struct gk20a_as as;
struct {
struct cdev cdev;
struct device *node;
} ctrl;
struct {
struct cdev cdev;
struct device *node;
} as_dev;
struct {
struct cdev cdev;
struct device *node;
} dbg;
struct {
struct cdev cdev;
struct device *node;
} prof;
struct {
struct cdev cdev;
struct device *node;
} tsg;
struct {
struct cdev cdev;
struct device *node;
} ctxsw;
struct {
struct cdev cdev;
struct device *node;
} sched;
struct nvgpu_mutex client_lock;
int client_refcount; /* open channels and ctrl nodes */
dev_t cdev_region;
struct gpu_ops ops;
int irqs_enabled;
int irq_stall; /* can be same as irq_nonstall in case of PCI */
int irq_nonstall;
u32 max_ltc_count;
u32 ltc_count;
atomic_t hw_irq_stall_count;
atomic_t hw_irq_nonstall_count;
atomic_t sw_irq_stall_last_handled;
wait_queue_head_t sw_irq_stall_last_handled_wq;
atomic_t sw_irq_nonstall_last_handled;
wait_queue_head_t sw_irq_nonstall_last_handled_wq;
struct gk20a_channel_worker {
struct nvgpu_thread poll_task;
atomic_t put;
wait_queue_head_t wq;
struct nvgpu_list_node items;
struct nvgpu_spinlock items_lock;
} channel_worker;
struct devfreq *devfreq;
struct gk20a_scale_profile *scale_profile;
unsigned long last_freq;
struct gk20a_ctxsw_trace *ctxsw_trace;
struct gk20a_fecs_trace *fecs_trace;
struct gk20a_sched_ctrl sched_ctrl;
struct device_dma_parameters dma_parms;
struct gk20a_cde_app cde_app;
bool mmu_debug_ctrl;
u32 tpc_fs_mask_user;
struct nvgpu_bios bios;
#ifdef CONFIG_DEBUG_FS
struct debugfs_blob_wrapper bios_blob;
#endif
struct nvgpu_clk_arb *clk_arb;
struct gk20a_ce_app ce_app;
/* PCI device identifier */
u16 pci_vendor_id, pci_device_id;
u16 pci_subsystem_vendor_id, pci_subsystem_device_id;
u16 pci_class;
u8 pci_revision;
/* PCIe power states. */
bool xve_l0s;
bool xve_l1;
/* Current warning temp in sfxp24.8 */
s32 curr_warn_temp;
#if defined(CONFIG_PCI_MSI)
/* Check if msi is enabled */
bool msi_enabled;
#endif
#ifdef CONFIG_NVGPU_TRACK_MEM_USAGE
struct nvgpu_mem_alloc_tracker *vmallocs;
struct nvgpu_mem_alloc_tracker *kmallocs;
#endif
/* Some boards might be missing power sensor, preventing
* from monitoring power, current and voltage */
bool power_sensor_missing;
};
static inline unsigned long gk20a_get_gr_idle_timeout(struct gk20a *g)
{
return g->timeouts_enabled ?
g->gr_idle_timeout_default : MAX_SCHEDULE_TIMEOUT;
}
static inline struct gk20a *get_gk20a(struct device *dev)
{
return gk20a_get_platform(dev)->g;
}
enum BAR0_DEBUG_OPERATION {
BARO_ZERO_NOP = 0,
OP_END = 'DONE',
BAR0_READ32 = '0R32',
BAR0_WRITE32 = '0W32',
};
struct share_buffer_head {
enum BAR0_DEBUG_OPERATION operation;
/* size of the operation item */
u32 size;
u32 completed;
u32 failed;
u64 context;
u64 completion_callback;
};
struct gk20a_cyclestate_buffer_elem {
struct share_buffer_head head;
/* in */
u64 p_data;
u64 p_done;
u32 offset_bar0;
u16 first_bit;
u16 last_bit;
/* out */
/* keep 64 bits to be consistent */
u64 data;
};
/* operations that will need to be executed on non stall workqueue */
enum gk20a_nonstall_ops {
gk20a_nonstall_ops_wakeup_semaphore = BIT(0), /* wake up semaphore */
gk20a_nonstall_ops_post_events = BIT(1),
};
void gk20a_init_clk_ops(struct gpu_ops *gops);
/* register accessors */
int gk20a_lockout_registers(struct gk20a *g);
int gk20a_restore_registers(struct gk20a *g);
void __nvgpu_check_gpu_state(struct gk20a *g);
void __gk20a_warn_on_no_regs(void);
static inline void gk20a_writel(struct gk20a *g, u32 r, u32 v)
{
if (unlikely(!g->regs)) {
__gk20a_warn_on_no_regs();
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x (failed)", r, v);
} else {
writel_relaxed(v, g->regs + r);
wmb();
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x", r, v);
}
}
static inline u32 gk20a_readl(struct gk20a *g, u32 r)
{
u32 v = 0xffffffff;
if (unlikely(!g->regs)) {
__gk20a_warn_on_no_regs();
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x (failed)", r, v);
} else {
v = readl(g->regs + r);
if (v == 0xffffffff)
__nvgpu_check_gpu_state(g);
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x", r, v);
}
return v;
}
static inline void gk20a_writel_check(struct gk20a *g, u32 r, u32 v)
{
if (unlikely(!g->regs)) {
__gk20a_warn_on_no_regs();
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x (failed)", r, v);
} else {
wmb();
do {
writel_relaxed(v, g->regs + r);
} while (readl(g->regs + r) != v);
gk20a_dbg(gpu_dbg_reg, "r=0x%x v=0x%x", r, v);
}
}
static inline void gk20a_bar1_writel(struct gk20a *g, u32 b, u32 v)
{
if (unlikely(!g->bar1)) {
__gk20a_warn_on_no_regs();
gk20a_dbg(gpu_dbg_reg, "b=0x%x v=0x%x (failed)", b, v);
} else {
wmb();
writel_relaxed(v, g->bar1 + b);
gk20a_dbg(gpu_dbg_reg, "b=0x%x v=0x%x", b, v);
}
}
static inline u32 gk20a_bar1_readl(struct gk20a *g, u32 b)
{
u32 v = 0xffffffff;
if (unlikely(!g->bar1)) {
__gk20a_warn_on_no_regs();
gk20a_dbg(gpu_dbg_reg, "b=0x%x v=0x%x (failed)", b, v);
} else {
v = readl(g->bar1 + b);
gk20a_dbg(gpu_dbg_reg, "b=0x%x v=0x%x", b, v);
}
return v;
}
/* convenience */
static inline struct device *dev_from_gk20a(struct gk20a *g)
{
return g->dev;
}
static inline struct gk20a *gk20a_from_dev(struct device *dev)
{
if (!dev)
return NULL;
return ((struct gk20a_platform *)dev_get_drvdata(dev))->g;
}
static inline struct gk20a *gk20a_from_as(struct gk20a_as *as)
{
return container_of(as, struct gk20a, as);
}
static inline struct gk20a *gk20a_from_pmu(struct pmu_gk20a *pmu)
{
return container_of(pmu, struct gk20a, pmu);
}
static inline u32 u64_hi32(u64 n)
{
return (u32)((n >> 32) & ~(u32)0);
}
static inline u32 u64_lo32(u64 n)
{
return (u32)(n & ~(u32)0);
}
static inline u64 hi32_lo32_to_u64(u32 hi, u32 lo)
{
return (((u64)hi) << 32) | (u64)lo;
}
static inline u32 set_field(u32 val, u32 mask, u32 field)
{
return ((val & ~mask) | field);
}
static inline u32 get_field(u32 reg, u32 mask)
{
return (reg & mask);
}
/* invalidate channel lookup tlb */
static inline void gk20a_gr_flush_channel_tlb(struct gr_gk20a *gr)
{
nvgpu_spinlock_acquire(&gr->ch_tlb_lock);
memset(gr->chid_tlb, 0,
sizeof(struct gr_channel_map_tlb_entry) *
GR_CHANNEL_MAP_TLB_SIZE);
nvgpu_spinlock_release(&gr->ch_tlb_lock);
}
/* classes that the device supports */
/* TBD: get these from an open-sourced SDK? */
enum {
KEPLER_C = 0xA297,
FERMI_TWOD_A = 0x902D,
KEPLER_COMPUTE_A = 0xA0C0,
KEPLER_INLINE_TO_MEMORY_A = 0xA040,
KEPLER_DMA_COPY_A = 0xA0B5,
KEPLER_CHANNEL_GPFIFO_C = 0xA26F,
};
static inline bool gk20a_gpu_is_virtual(struct device *dev)
{
struct gk20a_platform *platform = dev_get_drvdata(dev);
return platform->virtual_dev;
}
static inline int support_gk20a_pmu(struct device *dev)
{
if (IS_ENABLED(CONFIG_GK20A_PMU)) {
/* gPMU is not supported for vgpu */
return !gk20a_gpu_is_virtual(dev);
}
return 0;
}
void gk20a_create_sysfs(struct device *dev);
void gk20a_remove_sysfs(struct device *dev);
#define GK20A_BAR0_IORESOURCE_MEM 0
#define GK20A_BAR1_IORESOURCE_MEM 1
#define GK20A_SIM_IORESOURCE_MEM 2
void gk20a_busy_noresume(struct device *dev);
void gk20a_idle_nosuspend(struct device *dev);
int __must_check gk20a_busy(struct gk20a *g);
void gk20a_idle(struct gk20a *g);
int gk20a_do_idle(void);
int gk20a_do_unidle(void);
int __gk20a_do_idle(struct device *dev, bool force_reset);
int __gk20a_do_unidle(struct device *dev);
int gk20a_can_busy(struct gk20a *g);
void gk20a_driver_start_unload(struct gk20a *g);
int gk20a_wait_for_idle(struct device *dev);
#define NVGPU_GPU_ARCHITECTURE_SHIFT 4
/* constructs unique and compact GPUID from nvgpu_gpu_characteristics
* arch/impl fields */
#define GK20A_GPUID(arch, impl) ((u32) ((arch) | (impl)))
#define GK20A_GPUID_GK20A \
GK20A_GPUID(NVGPU_GPU_ARCH_GK100, NVGPU_GPU_IMPL_GK20A)
#define GK20A_GPUID_GM20B \
GK20A_GPUID(NVGPU_GPU_ARCH_GM200, NVGPU_GPU_IMPL_GM20B)
#define NVGPU_GPUID_GP10B \
GK20A_GPUID(NVGPU_GPU_ARCH_GP100, NVGPU_GPU_IMPL_GP10B)
#define NVGPU_GPUID_GP104 \
GK20A_GPUID(NVGPU_GPU_ARCH_GP100, NVGPU_GPU_IMPL_GP104)
#define NVGPU_GPUID_GP106 \
GK20A_GPUID(NVGPU_GPU_ARCH_GP100, NVGPU_GPU_IMPL_GP106)
int gk20a_init_gpu_characteristics(struct gk20a *g);
int gk20a_user_init(struct device *dev, const char *interface_name,
struct class *class);
void gk20a_user_deinit(struct device *dev, struct class *class);
static inline u32 ptimer_scalingfactor10x(u32 ptimer_src_freq)
{
return (u32)(((u64)(PTIMER_REF_FREQ_HZ * 10)) / ptimer_src_freq);
}
static inline u32 scale_ptimer(u32 timeout , u32 scale10x)
{
if (((timeout*10) % scale10x) >= (scale10x/2))
return ((timeout * 10) / scale10x) + 1;
else
return (timeout * 10) / scale10x;
}
extern struct class nvgpu_class;
#define INTERFACE_NAME "nvhost%s-gpu"
int gk20a_prepare_poweroff(struct gk20a *g);
int gk20a_finalize_poweron(struct gk20a *g);
static inline struct tsg_gk20a *tsg_gk20a_from_ch(struct channel_gk20a *ch)
{
struct tsg_gk20a *tsg = NULL;
if (gk20a_is_channel_marked_as_tsg(ch))
{
struct gk20a *g = ch->g;
struct fifo_gk20a *f = &g->fifo;
tsg = &f->tsg[ch->tsgid];
}
return tsg;
}
static inline void gk20a_channel_trace_sched_param(
void (*trace)(int chid, int tsgid, pid_t pid, u32 timeslice,
u32 timeout, const char *interleave,
const char *graphics_preempt_mode,
const char *compute_preempt_mode),
struct channel_gk20a *ch)
{
(trace)(ch->hw_chid, ch->tsgid, ch->pid,
gk20a_is_channel_marked_as_tsg(ch) ?
tsg_gk20a_from_ch(ch)->timeslice_us : ch->timeslice_us,
ch->timeout_ms_max,
gk20a_fifo_interleave_level_name(ch->interleave_level),
gr_gk20a_graphics_preempt_mode_name(ch->ch_ctx.gr_ctx ?
ch->ch_ctx.gr_ctx->graphics_preempt_mode : 0),
gr_gk20a_compute_preempt_mode_name(ch->ch_ctx.gr_ctx ?
ch->ch_ctx.gr_ctx->compute_preempt_mode : 0));
}
void nvgpu_wait_for_deferred_interrupts(struct gk20a *g);
struct gk20a * __must_check gk20a_get(struct gk20a *g);
void gk20a_put(struct gk20a *g);
#ifdef CONFIG_DEBUG_FS
int gk20a_railgating_debugfs_init(struct device *dev);
#endif
static inline bool gk20a_platform_has_syncpoints(struct gk20a *g)
{
#ifdef CONFIG_TEGRA_GK20A_NVHOST
return g->has_syncpoints && !g->disable_syncpoints;
#else
return false;
#endif
}
#endif /* GK20A_H */