Files
linux-nvgpu/drivers/gpu/nvgpu/clk/clk_arb.h
David Nieto 177c874ff2 gpu: nvgpu: Add support for alarms in arbiter
Add a queue system to collect alarm notifications
and deliver them to user space

Add interface for driver to set global alarms

JIRA: DNVGPU-189

Change-Id: I24a340283c02d8ea95ad6ea148acdb37157ef69c
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: http://git-master/r/1252475
(cherry picked from commit 5b79c7541066148ce0580d25daad54a8fa82f8be)
Reviewed-on: http://git-master/r/1280887
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2017-01-06 09:14:10 -08:00

73 lines
2.3 KiB
C

/*
* Copyright (c) 2016, 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.
*/
#include "gk20a/gk20a.h"
#ifndef _CLK_ARB_H_
#define _CLK_ARB_H_
struct nvgpu_clk_arb;
struct nvgpu_clk_session;
int nvgpu_clk_arb_init_arbiter(struct gk20a *g);
int nvgpu_clk_arb_get_arbiter_clk_range(struct gk20a *g, u32 api_domain,
u16 *min_mhz, u16 *max_mhz);
int nvgpu_clk_arb_get_arbiter_actual_mhz(struct gk20a *g,
u32 api_domain, u16 *actual_mhz);
int nvgpu_clk_arb_get_arbiter_effective_mhz(struct gk20a *g,
u32 api_domain, u16 *effective_mhz);
int nvgpu_clk_arb_get_arbiter_clk_f_points(struct gk20a *g,
u32 api_domain, u32 *max_points, u16 *fpoints);
u32 nvgpu_clk_arb_get_arbiter_clk_domains(struct gk20a *g);
void nvgpu_clk_arb_cleanup_arbiter(struct gk20a *g);
int nvgpu_clk_arb_install_session_fd(struct gk20a *g,
struct nvgpu_clk_session *session);
int nvgpu_clk_arb_init_session(struct gk20a *g,
struct nvgpu_clk_session **_session);
void nvgpu_clk_arb_release_session(struct gk20a *g,
struct nvgpu_clk_session *session);
int nvgpu_clk_arb_commit_request_fd(struct gk20a *g,
struct nvgpu_clk_session *session, int request_fd);
int nvgpu_clk_arb_set_session_target_mhz(struct nvgpu_clk_session *session,
int fd, u32 api_domain, u16 target_mhz);
int nvgpu_clk_arb_get_session_target_mhz(struct nvgpu_clk_session *session,
u32 api_domain, u16 *target_mhz);
int nvgpu_clk_arb_install_event_fd(struct gk20a *g,
struct nvgpu_clk_session *session, int *event_fd, u32 alarm_mask);
int nvgpu_clk_arb_install_request_fd(struct gk20a *g,
struct nvgpu_clk_session *session, int *event_fd);
void nvgpu_clk_arb_schedule_vf_table_update(struct gk20a *g);
int nvgpu_clk_arb_get_current_pstate(struct gk20a *g);
void nvgpu_clk_arb_pstate_change_lock(struct gk20a *g, bool lock);
void nvgpu_clk_arb_schedule_alarm(struct gk20a *g, u32 alarm);
#endif /* _CLK_ARB_H_ */