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qcacmn: Add debug support for DMA memory allocations

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Add debug support to detect memory leaks and corruption
in DMA memory operations.

Change-Id: I1478973828ddc147367c4a579c97c3840c106f44
CRs-Fixed: 2155603
This commit is contained in:
Kabilan Kannan
2017-12-05 13:13:58 -08:00
committed by snandini
parent f01a81b79f
commit 56800ad9a5
2 changed files with 254 additions and 125 deletions
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58
qdf/inc/qdf_mem.h
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2014-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@@ -158,6 +158,47 @@ void qdf_mem_free_debug(void *ptr, const char *file, uint32_t line);
* Return: None
*/
void qdf_mem_check_for_leaks(void);
/**
* qdf_mem_alloc_consistent_debug() - allocates consistent qdf memory
* @osdev: OS device handle
* @dev: Pointer to device handle
* @size: Size to be allocated
* @paddr: Physical address
* @file: file name of the call site
* @line: line numbe rof the call site
*
* Return: pointer of allocated memory or null if memory alloc fails
*/
void *qdf_mem_alloc_consistent_debug(qdf_device_t osdev, void *dev,
qdf_size_t size, qdf_dma_addr_t *paddr,
const char *file, uint32_t line);
#define qdf_mem_alloc_consistent(osdev, dev, size, paddr) \
qdf_mem_alloc_consistent_debug(osdev, dev, size, paddr, \
__FILE__, __LINE__)
/**
* qdf_mem_free_consistent_debug() - free consistent qdf memory
* @osdev: OS device handle
* @size: Size to be allocated
* @vaddr: virtual address
* @paddr: Physical address
* @memctx: Pointer to DMA context
* @file: file name of the call site
* @line: line numbe rof the call site
*
* Return: none
*/
void qdf_mem_free_consistent_debug(qdf_device_t osdev, void *dev,
qdf_size_t size, void *vaddr,
qdf_dma_addr_t paddr,
qdf_dma_context_t memctx,
const char *file, uint32_t line);
#define qdf_mem_free_consistent(osdev, dev, size, vaddr, paddr, memctx) \
qdf_mem_free_consistent_debug(osdev, dev, size, vaddr, paddr, memctx, \
__FILE__, __LINE__)
#else
void *qdf_mem_malloc(qdf_size_t size);
@@ -170,6 +211,14 @@ void *qdf_mem_malloc(qdf_size_t size);
void qdf_mem_free(void *ptr);
static inline void qdf_mem_check_for_leaks(void) { }
void *qdf_mem_alloc_consistent(qdf_device_t osdev, void *dev,
qdf_size_t size, qdf_dma_addr_t *paddr);
void qdf_mem_free_consistent(qdf_device_t osdev, void *dev,
qdf_size_t size, void *vaddr,
qdf_dma_addr_t paddr, qdf_dma_context_t memctx);
#endif /* MEMORY_DEBUG */
void *qdf_mem_alloc_outline(qdf_device_t osdev, qdf_size_t size);
@@ -184,13 +233,6 @@ void qdf_mem_move(void *dst_addr, const void *src_addr, uint32_t num_bytes);
void qdf_mem_free_outline(void *buf);
void *qdf_mem_alloc_consistent(qdf_device_t osdev, void *dev, qdf_size_t size,
qdf_dma_addr_t *paddr);
void qdf_mem_free_consistent(qdf_device_t osdev, void *dev, qdf_size_t size,
void *vaddr, qdf_dma_addr_t paddr,
qdf_dma_context_t memctx);
void qdf_mem_zero_outline(void *buf, qdf_size_t size);
void qdf_ether_addr_copy(void *dst_addr, const void *src_addr);