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/*
*
* (C) COPYRIGHT 2015 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU licence.
*
* A copy of the licence is included with the program, and can also be obtained
* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#ifndef _KBASE_VINSTR_H_
#define _KBASE_VINSTR_H_
enum {
SHADER_HWCNT_BM,
TILER_HWCNT_BM,
MMU_L2_HWCNT_BM,
JM_HWCNT_BM
};
struct kbase_vinstr_context;
struct kbase_vinstr_client;
/**
* kbase_vinstr_init() - Initialize the vinstr core
* @kbdev: Kbase device
*
* Return: A pointer to the vinstr context on success or NULL on failure
*/
struct kbase_vinstr_context *kbase_vinstr_init(struct kbase_device *kbdev);
/**
* kbase_vinstr_term() - Terminate the vinstr core
* @ctx: Vinstr context
*/
void kbase_vinstr_term(struct kbase_vinstr_context *ctx);
/**
* kbase_vinstr_attach_client - Attach a client to the vinstr core
* @ctx: Vinstr context
* @kernel: True if this client is a kernel-side client, false
* otherwise
* @dump_buffer: Client's dump buffer
* @bitmap: Bitmaps describing which counters should be enabled
*
* Return: A vinstr opaque client handle or NULL or failure
*/
struct kbase_vinstr_client *kbase_vinstr_attach_client(struct kbase_vinstr_context *ctx,
bool kernel,
u64 dump_buffer,
u32 bitmap[4]);
/**
* kbase_vinstr_detach_client - Detach a client from the vinstr core
* @ctx: Vinstr context
* @cli: Pointer to vinstr client
*/
void kbase_vinstr_detach_client(struct kbase_vinstr_context *ctx,
struct kbase_vinstr_client *cli);
/**
* kbase_vinstr_dump_size - Get the size of the dump buffer
* @ctx: Vinstr context
*
* This is only useful for kernel-side clients to know how much
* memory they need to allocate to receive the performance counter
* memory block.
*
* Return: Returns the size of the client side buffer
*/
size_t kbase_vinstr_dump_size(struct kbase_vinstr_context *ctx);
/**
* kbase_vinstr_dump - Performs a synchronous hardware counter dump for a given
* kbase context
* @ctx: Vinstr context
* @cli: Pointer to vinstr client
*
* Return: 0 on success
*/
int kbase_vinstr_dump(struct kbase_vinstr_context *ctx,
struct kbase_vinstr_client *cli);
/**
* kbase_vinstr_clear - Performs a reset of the hardware counters for a given
* kbase context
* @ctx: Vinstr context
* @cli: Pointer to vinstr client
*
* Return: 0 on success
*/
int kbase_vinstr_clear(struct kbase_vinstr_context *ctx,
struct kbase_vinstr_client *cli);
#endif /* _KBASE_VINSTR_H_ */
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