8aa7cab50c
Add support to change the number of elements in multi pages alloc function. This is needed to increase the number of tx_descs. Change-Id: I29ee2764c24c6f83b0c2cff1062ec7239dcc0b4b CRs-Fixed: 3130833
1269 satır
34 KiB
C
1269 satır
34 KiB
C
/*
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* Copyright (c) 2014-2021 The Linux Foundation. All rights reserved.
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* Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
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*
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* Permission to use, copy, modify, and/or distribute this software for
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* any purpose with or without fee is hereby granted, provided that the
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* above copyright notice and this permission notice appear in all
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* copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/**
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* DOC: qdf_mem
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* QCA driver framework (QDF) memory management APIs
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*/
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#if !defined(__QDF_MEMORY_H)
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#define __QDF_MEMORY_H
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/* Include Files */
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#include <qdf_types.h>
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#include <i_qdf_mem.h>
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#include <i_qdf_trace.h>
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#include <qdf_atomic.h>
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#define QDF_CACHE_LINE_SZ __qdf_cache_line_sz
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/**
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* qdf_align() - align to the given size.
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* @a: input that needs to be aligned.
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* @align_size: boundary on which 'a' has to be alinged.
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*
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* Return: aligned value.
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*/
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#define qdf_align(a, align_size) __qdf_align(a, align_size)
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#define qdf_page_size __page_size
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/**
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* struct qdf_mem_dma_page_t - Allocated dmaable page
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* @page_v_addr_start: Page start virtual address
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* @page_v_addr_end: Page end virtual address
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* @page_p_addr: Page start physical address
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*/
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struct qdf_mem_dma_page_t {
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char *page_v_addr_start;
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char *page_v_addr_end;
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qdf_dma_addr_t page_p_addr;
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};
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/**
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* struct qdf_mem_multi_page_t - multiple page allocation information storage
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* @num_element_per_page: Number of element in single page
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* @num_pages: Number of allocation needed pages
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* @dma_pages: page information storage in case of coherent memory
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* @cacheable_pages: page information storage in case of cacheable memory
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* @is_mem_prealloc: flag for multiple pages pre-alloc or not
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*/
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struct qdf_mem_multi_page_t {
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uint16_t num_element_per_page;
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uint16_t num_pages;
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struct qdf_mem_dma_page_t *dma_pages;
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void **cacheable_pages;
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qdf_size_t page_size;
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#ifdef DP_MEM_PRE_ALLOC
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uint8_t is_mem_prealloc;
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#endif
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};
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/* Preprocessor definitions and constants */
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typedef __qdf_mempool_t qdf_mempool_t;
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/**
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* qdf_mem_init() - Initialize QDF memory module
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*
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* Return: None
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*
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*/
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void qdf_mem_init(void);
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/**
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* qdf_mem_exit() - Exit QDF memory module
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*
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* Return: None
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*
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*/
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void qdf_mem_exit(void);
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#ifdef QCA_WIFI_MODULE_PARAMS_FROM_INI
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#define qdf_untracked_mem_malloc(size) \
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__qdf_untracked_mem_malloc(size, __func__, __LINE__)
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#define qdf_untracked_mem_free(ptr) \
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__qdf_untracked_mem_free(ptr)
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#endif
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#define QDF_MEM_FUNC_NAME_SIZE 48
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#ifdef MEMORY_DEBUG
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/**
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* qdf_mem_debug_config_get() - Get the user configuration of mem_debug_disabled
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*
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* Return: value of mem_debug_disabled qdf module argument
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*/
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bool qdf_mem_debug_config_get(void);
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#ifdef QCA_WIFI_MODULE_PARAMS_FROM_INI
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/**
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* qdf_mem_debug_disabled_set() - Set mem_debug_disabled
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* @str_value: value of the module param
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*
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* This function will set qdf module param mem_debug_disabled
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*
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* Return: QDF_STATUS_SUCCESS on Success
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*/
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QDF_STATUS qdf_mem_debug_disabled_config_set(const char *str_value);
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#endif
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/**
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* qdf_mem_malloc_atomic_debug() - debug version of QDF memory allocation API
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* @size: Number of bytes of memory to allocate.
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* @func: Function name of the call site
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* @line: Line number of the call site
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* @caller: Address of the caller function
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*
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* This function will dynamicallly allocate the specified number of bytes of
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* memory and add it to the qdf tracking list to check for memory leaks and
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* corruptions
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*
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* Return: A valid memory location on success, or NULL on failure
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*/
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void *qdf_mem_malloc_atomic_debug(size_t size, const char *func,
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uint32_t line, void *caller);
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/**
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* qdf_mem_malloc_atomic_debug_fl() - allocation QDF memory atomically
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* @size: Number of bytes of memory to allocate.
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*
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* This function will dynamicallly allocate the specified number of bytes of
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* memory.
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*
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* Return:
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* Upon successful allocate, returns a non-NULL pointer to the allocated
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* memory. If this function is unable to allocate the amount of memory
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* specified (for any reason) it returns NULL.
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*/
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void *qdf_mem_malloc_atomic_debug_fl(qdf_size_t size, const char *func,
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uint32_t line);
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/**
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* qdf_mem_malloc_debug() - debug version of QDF memory allocation API
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* @size: Number of bytes of memory to allocate.
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* @func: Function name of the call site
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* @line: Line number of the call site
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* @caller: Address of the caller function
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* @flag: GFP flag
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*
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* This function will dynamicallly allocate the specified number of bytes of
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* memory and add it to the qdf tracking list to check for memory leaks and
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* corruptions
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*
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* Return: A valid memory location on success, or NULL on failure
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*/
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void *qdf_mem_malloc_debug(size_t size, const char *func, uint32_t line,
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void *caller, uint32_t flag);
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#define qdf_mem_malloc(size) \
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qdf_mem_malloc_debug(size, __func__, __LINE__, QDF_RET_IP, 0)
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#define qdf_mem_malloc_fl(size, func, line) \
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qdf_mem_malloc_debug(size, func, line, QDF_RET_IP, 0)
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#define qdf_mem_malloc_atomic(size) \
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qdf_mem_malloc_atomic_debug(size, __func__, __LINE__, QDF_RET_IP)
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/**
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* qdf_mem_free_debug() - debug version of qdf_mem_free
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* @ptr: Pointer to the starting address of the memory to be freed.
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*
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* This function will free the memory pointed to by 'ptr'. It also checks for
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* memory corruption, underrun, overrun, double free, domain mismatch, etc.
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*
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* Return: none
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*/
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void qdf_mem_free_debug(void *ptr, const char *file, uint32_t line);
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#define qdf_mem_free(ptr) \
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qdf_mem_free_debug(ptr, __func__, __LINE__)
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void qdf_mem_multi_pages_alloc_debug(qdf_device_t osdev,
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struct qdf_mem_multi_page_t *pages,
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size_t element_size, uint32_t element_num,
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qdf_dma_context_t memctxt, bool cacheable,
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const char *func, uint32_t line,
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void *caller);
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#define qdf_mem_multi_pages_alloc(osdev, pages, element_size, element_num,\
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memctxt, cacheable) \
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qdf_mem_multi_pages_alloc_debug(osdev, pages, element_size, \
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element_num, memctxt, cacheable, \
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__func__, __LINE__, QDF_RET_IP)
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void qdf_mem_multi_pages_free_debug(qdf_device_t osdev,
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struct qdf_mem_multi_page_t *pages,
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qdf_dma_context_t memctxt, bool cacheable,
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const char *func, uint32_t line);
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#define qdf_mem_multi_pages_free(osdev, pages, memctxt, cacheable) \
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qdf_mem_multi_pages_free_debug(osdev, pages, memctxt, cacheable, \
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__func__, __LINE__)
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/**
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* qdf_mem_check_for_leaks() - Assert that the current memory domain is empty
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*
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* Call this to ensure there are no active memory allocations being tracked
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* against the current debug domain. For example, one should call this function
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* immediately before a call to qdf_debug_domain_set() as a memory leak
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* detection mechanism.
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*
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* e.g.
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* qdf_debug_domain_set(QDF_DEBUG_DOMAIN_ACTIVE);
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*
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* ...
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*
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* // memory is allocated and freed
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*
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* ...
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*
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* // before transitioning back to inactive state,
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* // make sure all active memory has been freed
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* qdf_mem_check_for_leaks();
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* qdf_debug_domain_set(QDF_DEBUG_DOMAIN_INIT);
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*
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* ...
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*
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* // also, before program exit, make sure init time memory is freed
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* qdf_mem_check_for_leaks();
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* exit();
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*
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* Return: None
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*/
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void qdf_mem_check_for_leaks(void);
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/**
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* qdf_mem_alloc_consistent_debug() - allocates consistent qdf memory
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* @osdev: OS device handle
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* @dev: Pointer to device handle
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* @size: Size to be allocated
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* @paddr: Physical address
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* @func: Function name of the call site
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* @line: line numbe rof the call site
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* @caller: Address of the caller function
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*
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* Return: pointer of allocated memory or null if memory alloc fails
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*/
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void *qdf_mem_alloc_consistent_debug(qdf_device_t osdev, void *dev,
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qdf_size_t size, qdf_dma_addr_t *paddr,
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const char *func, uint32_t line,
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void *caller);
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#define qdf_mem_alloc_consistent(osdev, dev, size, paddr) \
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qdf_mem_alloc_consistent_debug(osdev, dev, size, paddr, \
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__func__, __LINE__, QDF_RET_IP)
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/**
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* qdf_mem_free_consistent_debug() - free consistent qdf memory
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* @osdev: OS device handle
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* @size: Size to be allocated
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* @vaddr: virtual address
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* @paddr: Physical address
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* @memctx: Pointer to DMA context
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* @func: Function name of the call site
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* @line: line numbe rof the call site
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*
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* Return: none
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*/
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void qdf_mem_free_consistent_debug(qdf_device_t osdev, void *dev,
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qdf_size_t size, void *vaddr,
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qdf_dma_addr_t paddr,
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qdf_dma_context_t memctx,
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const char *func, uint32_t line);
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#define qdf_mem_free_consistent(osdev, dev, size, vaddr, paddr, memctx) \
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qdf_mem_free_consistent_debug(osdev, dev, size, vaddr, paddr, memctx, \
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__func__, __LINE__)
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#else
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static inline bool qdf_mem_debug_config_get(void)
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{
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return false;
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}
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static inline
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QDF_STATUS qdf_mem_debug_disabled_config_set(const char *str_value)
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{
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return QDF_STATUS_SUCCESS;
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}
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/**
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* qdf_mem_malloc() - allocation QDF memory
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* @size: Number of bytes of memory to allocate.
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*
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* This function will dynamicallly allocate the specified number of bytes of
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* memory.
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*
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* Return:
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* Upon successful allocate, returns a non-NULL pointer to the allocated
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* memory. If this function is unable to allocate the amount of memory
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* specified (for any reason) it returns NULL.
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*/
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#define qdf_mem_malloc(size) \
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__qdf_mem_malloc(size, __func__, __LINE__)
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#define qdf_mem_malloc_fl(size, func, line) \
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__qdf_mem_malloc(size, func, line)
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/**
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* qdf_mem_malloc_atomic() - allocation QDF memory atomically
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* @size: Number of bytes of memory to allocate.
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*
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* This function will dynamicallly allocate the specified number of bytes of
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* memory.
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*
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* Return:
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* Upon successful allocate, returns a non-NULL pointer to the allocated
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* memory. If this function is unable to allocate the amount of memory
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* specified (for any reason) it returns NULL.
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*/
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#define qdf_mem_malloc_atomic(size) \
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qdf_mem_malloc_atomic_fl(size, __func__, __LINE__)
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void *qdf_mem_malloc_atomic_fl(qdf_size_t size,
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const char *func,
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uint32_t line);
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#define qdf_mem_free(ptr) \
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__qdf_mem_free(ptr)
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static inline void qdf_mem_check_for_leaks(void) { }
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#define qdf_mem_alloc_consistent(osdev, dev, size, paddr) \
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__qdf_mem_alloc_consistent(osdev, dev, size, paddr, __func__, __LINE__)
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#define qdf_mem_free_consistent(osdev, dev, size, vaddr, paddr, memctx) \
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__qdf_mem_free_consistent(osdev, dev, size, vaddr, paddr, memctx)
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void qdf_mem_multi_pages_alloc(qdf_device_t osdev,
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struct qdf_mem_multi_page_t *pages,
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size_t element_size, uint32_t element_num,
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qdf_dma_context_t memctxt, bool cacheable);
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void qdf_mem_multi_pages_free(qdf_device_t osdev,
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struct qdf_mem_multi_page_t *pages,
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qdf_dma_context_t memctxt, bool cacheable);
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#endif /* MEMORY_DEBUG */
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/**
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* qdf_mem_malloc_flags: Get mem allocation flags
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*
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* Return the flag to be use for memory allocation
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* based on the context
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*
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* Returns: Based on the context, returns the GFP flag
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* for memory alloaction
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*/
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int qdf_mem_malloc_flags(void);
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/**
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* qdf_prealloc_disabled_config_get() - Get the user configuration of
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* prealloc_disabled
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*
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* Return: value of prealloc_disabled qdf module argument
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*/
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bool qdf_prealloc_disabled_config_get(void);
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#ifdef QCA_WIFI_MODULE_PARAMS_FROM_INI
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/**
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* qdf_prealloc_disabled_config_set() - Set prealloc_disabled
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* @str_value: value of the module param
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*
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* This function will set qdf module param prealloc_disabled
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*
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* Return: QDF_STATUS_SUCCESS on Success
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*/
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QDF_STATUS qdf_prealloc_disabled_config_set(const char *str_value);
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#endif
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/**
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* qdf_mem_multi_pages_zero() - zero out each page memory
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* @pages: Multi page information storage
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* @cacheable: Coherent memory or cacheable memory
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*
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* This function will zero out each page memory
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*
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* Return: None
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*/
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void qdf_mem_multi_pages_zero(struct qdf_mem_multi_page_t *pages,
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bool cacheable);
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/**
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* qdf_aligned_malloc() - allocates aligned QDF memory.
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* @size: Size to be allocated
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* @vaddr_unaligned: Unaligned virtual address.
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* @paddr_unaligned: Unaligned physical address.
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* @paddr_aligned: Aligned physical address.
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* @align: Base address alignment.
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* @func: Function name of the call site.
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* @line: Line number of the call site.
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*
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* This function will dynamically allocate the specified number of bytes of
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* memory. Checks if the allocated base address is aligned with base_align.
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* If not, it frees the allocated memory, adds base_align to alloc size and
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* re-allocates the memory.
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*
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* Return:
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* Upon successful allocate, returns an aligned base address of the allocated
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* memory. If this function is unable to allocate the amount of memory
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* specified (for any reason) it returns NULL.
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*/
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#define qdf_aligned_malloc(size, vaddr_unaligned, paddr_unaligned, \
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paddr_aligned, align) \
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qdf_aligned_malloc_fl(size, vaddr_unaligned, paddr_unaligned, \
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paddr_aligned, align, __func__, __LINE__)
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void *qdf_aligned_malloc_fl(uint32_t *size, void **vaddr_unaligned,
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qdf_dma_addr_t *paddr_unaligned,
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qdf_dma_addr_t *paddr_aligned,
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uint32_t align,
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const char *func, uint32_t line);
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/**
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* qdf_aligned_mem_alloc_consistent() - allocates consistent qdf memory
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* @osdev: OS device handle
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* @size: Size to be allocated
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* @vaddr_unaligned: Unaligned virtual address.
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* @paddr_unaligned: Unaligned physical address.
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* @paddr_aligned: Aligned physical address.
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* @align: Base address alignment.
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* @func: Function name of the call site.
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* @line: Line number of the call site.
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*
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* Return: pointer of allocated memory or null if memory alloc fails.
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*/
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#define qdf_aligned_mem_alloc_consistent(osdev, size, vaddr_unaligned, \
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paddr_unaligned, paddr_aligned, \
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align) \
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qdf_aligned_mem_alloc_consistent_fl(osdev, size, vaddr_unaligned, \
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paddr_unaligned, paddr_aligned, \
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align, __func__, __LINE__)
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void *qdf_aligned_mem_alloc_consistent_fl(qdf_device_t osdev, uint32_t *size,
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void **vaddr_unaligned,
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qdf_dma_addr_t *paddr_unaligned,
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qdf_dma_addr_t *paddr_aligned,
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uint32_t align, const char *func,
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uint32_t line);
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#define qdf_mem_virt_to_phys(vaddr) virt_to_phys(vaddr)
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void qdf_mem_set_io(void *ptr, uint32_t num_bytes, uint32_t value);
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void qdf_mem_copy_toio(void *dst_addr, const void *src_addr,
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uint32_t num_bytes);
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/**
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* qdf_mem_set() - set (fill) memory with a specified byte value.
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* @ptr: Pointer to memory that will be set
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* @num_bytes: Number of bytes to be set
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* @value: Byte set in memory
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|
*
|
|
* WARNING: parameter @num_bytes and @value are swapped comparing with
|
|
* standard C function "memset", please ensure correct usage of this function!
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_set(void *ptr, uint32_t num_bytes, uint32_t value);
|
|
|
|
/**
|
|
* qdf_mem_zero() - zero out memory
|
|
* @ptr: pointer to memory that will be set to zero
|
|
* @num_bytes: number of bytes zero
|
|
*
|
|
* This function sets the memory location to all zeros, essentially clearing
|
|
* the memory.
|
|
*
|
|
* Return: None
|
|
*/
|
|
static inline void qdf_mem_zero(void *ptr, uint32_t num_bytes)
|
|
{
|
|
qdf_mem_set(ptr, num_bytes, 0);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_copy() - copy memory
|
|
* @dst_addr: Pointer to destination memory location (to copy to)
|
|
* @src_addr: Pointer to source memory location (to copy from)
|
|
* @num_bytes: Number of bytes to copy.
|
|
*
|
|
* Copy host memory from one location to another, similar to memcpy in
|
|
* standard C. Note this function does not specifically handle overlapping
|
|
* source and destination memory locations. Calling this function with
|
|
* overlapping source and destination memory locations will result in
|
|
* unpredictable results. Use qdf_mem_move() if the memory locations
|
|
* for the source and destination are overlapping (or could be overlapping!)
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_copy(void *dst_addr, const void *src_addr, uint32_t num_bytes);
|
|
|
|
/**
|
|
* qdf_mem_move() - move memory
|
|
* @dst_addr: pointer to destination memory location (to move to)
|
|
* @src_addr: pointer to source memory location (to move from)
|
|
* @num_bytes: number of bytes to move.
|
|
*
|
|
* Move host memory from one location to another, similar to memmove in
|
|
* standard C. Note this function *does* handle overlapping
|
|
* source and destination memory locations.
|
|
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_move(void *dst_addr, const void *src_addr, uint32_t num_bytes);
|
|
|
|
/**
|
|
* qdf_mem_cmp() - memory compare
|
|
* @left: pointer to one location in memory to compare
|
|
* @right: pointer to second location in memory to compare
|
|
* @size: the number of bytes to compare
|
|
*
|
|
* Function to compare two pieces of memory, similar to memcmp function
|
|
* in standard C.
|
|
*
|
|
* Return:
|
|
* 0 -- equal
|
|
* < 0 -- *memory1 is less than *memory2
|
|
* > 0 -- *memory1 is bigger than *memory2
|
|
*/
|
|
int qdf_mem_cmp(const void *left, const void *right, size_t size);
|
|
|
|
void qdf_ether_addr_copy(void *dst_addr, const void *src_addr);
|
|
|
|
/**
|
|
* qdf_mem_map_nbytes_single - Map memory for DMA
|
|
* @osdev: pomter OS device context
|
|
* @buf: pointer to memory to be dma mapped
|
|
* @dir: DMA map direction
|
|
* @nbytes: number of bytes to be mapped.
|
|
* @phy_addr: ponter to recive physical address.
|
|
*
|
|
* Return: success/failure
|
|
*/
|
|
static inline uint32_t qdf_mem_map_nbytes_single(qdf_device_t osdev, void *buf,
|
|
qdf_dma_dir_t dir, int nbytes,
|
|
qdf_dma_addr_t *phy_addr)
|
|
{
|
|
#if defined(HIF_PCI) || defined(HIF_IPCI)
|
|
return __qdf_mem_map_nbytes_single(osdev, buf, dir, nbytes, phy_addr);
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
static inline void qdf_mem_dma_cache_sync(qdf_device_t osdev,
|
|
qdf_dma_addr_t buf,
|
|
qdf_dma_dir_t dir,
|
|
int nbytes)
|
|
{
|
|
__qdf_mem_dma_cache_sync(osdev, buf, dir, nbytes);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_unmap_nbytes_single() - un_map memory for DMA
|
|
* @osdev: pomter OS device context
|
|
* @phy_addr: physical address of memory to be dma unmapped
|
|
* @dir: DMA unmap direction
|
|
* @nbytes: number of bytes to be unmapped.
|
|
*
|
|
* Return: none
|
|
*/
|
|
static inline void qdf_mem_unmap_nbytes_single(qdf_device_t osdev,
|
|
qdf_dma_addr_t phy_addr,
|
|
qdf_dma_dir_t dir,
|
|
int nbytes)
|
|
{
|
|
#if defined(HIF_PCI) || defined(HIF_IPCI)
|
|
__qdf_mem_unmap_nbytes_single(osdev, phy_addr, dir, nbytes);
|
|
#endif
|
|
}
|
|
|
|
/**
|
|
* qdf_mempool_init - Create and initialize memory pool
|
|
* @osdev: platform device object
|
|
* @pool_addr: address of the pool created
|
|
* @elem_cnt: no. of elements in pool
|
|
* @elem_size: size of each pool element in bytes
|
|
* @flags: flags
|
|
* Return: Handle to memory pool or NULL if allocation failed
|
|
*/
|
|
static inline int qdf_mempool_init(qdf_device_t osdev,
|
|
qdf_mempool_t *pool_addr, int elem_cnt,
|
|
size_t elem_size, uint32_t flags)
|
|
{
|
|
return __qdf_mempool_init(osdev, pool_addr, elem_cnt, elem_size,
|
|
flags);
|
|
}
|
|
|
|
/**
|
|
* qdf_mempool_destroy - Destroy memory pool
|
|
* @osdev: platform device object
|
|
* @Handle: to memory pool
|
|
* Return: none
|
|
*/
|
|
static inline void qdf_mempool_destroy(qdf_device_t osdev, qdf_mempool_t pool)
|
|
{
|
|
__qdf_mempool_destroy(osdev, pool);
|
|
}
|
|
|
|
/**
|
|
* qdf_mempool_alloc - Allocate an element memory pool
|
|
* @osdev: platform device object
|
|
* @Handle: to memory pool
|
|
* Return: Pointer to the allocated element or NULL if the pool is empty
|
|
*/
|
|
static inline void *qdf_mempool_alloc(qdf_device_t osdev, qdf_mempool_t pool)
|
|
{
|
|
return (void *)__qdf_mempool_alloc(osdev, pool);
|
|
}
|
|
|
|
/**
|
|
* qdf_mempool_free - Free a memory pool element
|
|
* @osdev: Platform device object
|
|
* @pool: Handle to memory pool
|
|
* @buf: Element to be freed
|
|
* Return: none
|
|
*/
|
|
static inline void qdf_mempool_free(qdf_device_t osdev, qdf_mempool_t pool,
|
|
void *buf)
|
|
{
|
|
__qdf_mempool_free(osdev, pool, buf);
|
|
}
|
|
|
|
void qdf_mem_dma_sync_single_for_device(qdf_device_t osdev,
|
|
qdf_dma_addr_t bus_addr,
|
|
qdf_size_t size,
|
|
__dma_data_direction direction);
|
|
|
|
void qdf_mem_dma_sync_single_for_cpu(qdf_device_t osdev,
|
|
qdf_dma_addr_t bus_addr,
|
|
qdf_size_t size,
|
|
__dma_data_direction direction);
|
|
|
|
int qdf_mem_multi_page_link(qdf_device_t osdev,
|
|
struct qdf_mem_multi_page_t *pages,
|
|
uint32_t elem_size, uint32_t elem_count, uint8_t cacheable);
|
|
|
|
/**
|
|
* qdf_mem_kmalloc_inc() - increment kmalloc allocated bytes count
|
|
* @size: number of bytes to increment by
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_kmalloc_inc(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_kmalloc_dec() - decrement kmalloc allocated bytes count
|
|
* @size: number of bytes to decrement by
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_kmalloc_dec(qdf_size_t size);
|
|
|
|
#ifdef CONFIG_WLAN_SYSFS_MEM_STATS
|
|
/**
|
|
* qdf_mem_skb_inc() - increment total skb allocation size
|
|
* @size: size to be added
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_skb_inc(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_skb_dec() - decrement total skb allocation size
|
|
* @size: size to be decremented
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_skb_dec(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_skb_total_inc() - increment total skb allocation size
|
|
* in host driver in both debug and perf builds
|
|
* @size: size to be added
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_skb_total_inc(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_skb_total_dec() - decrement total skb allocation size
|
|
* in the host driver in debug and perf flavors
|
|
* @size: size to be decremented
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_skb_total_dec(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_inc() - Increment Tx skb allocation size
|
|
* @size: size to be added
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_tx_skb_inc(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_dec() - Decrement Tx skb allocation size
|
|
* @size: size to be decreased
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_tx_skb_dec(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_inc() - Increment Rx skb allocation size
|
|
* @size: size to be added
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_rx_skb_inc(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_dec() - Decrement Rx skb allocation size
|
|
* @size: size to be decreased
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_rx_skb_dec(qdf_size_t size);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_cnt_inc() - Increment Tx buffer count
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_tx_skb_cnt_inc(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_cnt_dec() - Decrement Tx buffer count
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_tx_skb_cnt_dec(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_cnt_inc() - Increment Rx buffer count
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_rx_skb_cnt_inc(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_cnt_dec() - Decrement Rx buffer count
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_mem_dp_rx_skb_cnt_dec(void);
|
|
#else
|
|
|
|
static inline void qdf_mem_skb_inc(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_skb_dec(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_skb_total_inc(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_skb_total_dec(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_tx_skb_inc(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_tx_skb_dec(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_rx_skb_inc(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_rx_skb_dec(qdf_size_t size)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_tx_skb_cnt_inc(void)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_tx_skb_cnt_dec(void)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_rx_skb_cnt_inc(void)
|
|
{
|
|
}
|
|
|
|
static inline void qdf_mem_dp_rx_skb_cnt_dec(void)
|
|
{
|
|
}
|
|
#endif /* CONFIG_WLAN_SYSFS_MEM_STATS */
|
|
|
|
/**
|
|
* qdf_mem_map_table_alloc() - Allocate shared memory info structure
|
|
* @num: number of required storage
|
|
*
|
|
* Allocate mapping table for DMA memory allocation. This is needed for
|
|
* IPA-WLAN buffer sharing when SMMU Stage1 Translation is enabled.
|
|
*
|
|
* Return: shared memory info storage table pointer
|
|
*/
|
|
static inline qdf_mem_info_t *qdf_mem_map_table_alloc(uint32_t num)
|
|
{
|
|
qdf_mem_info_t *mem_info_arr;
|
|
|
|
mem_info_arr = qdf_mem_malloc(num * sizeof(mem_info_arr[0]));
|
|
return mem_info_arr;
|
|
}
|
|
|
|
#ifdef ENHANCED_OS_ABSTRACTION
|
|
/**
|
|
* qdf_update_mem_map_table() - Update DMA memory map info
|
|
* @osdev: Parent device instance
|
|
* @mem_info: Pointer to shared memory information
|
|
* @dma_addr: dma address
|
|
* @mem_size: memory size allocated
|
|
*
|
|
* Store DMA shared memory information
|
|
*
|
|
* Return: none
|
|
*/
|
|
void qdf_update_mem_map_table(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info,
|
|
qdf_dma_addr_t dma_addr,
|
|
uint32_t mem_size);
|
|
|
|
/**
|
|
* qdf_mem_paddr_from_dmaaddr() - get actual physical address from dma address
|
|
* @osdev: Parent device instance
|
|
* @dma_addr: DMA/IOVA address
|
|
*
|
|
* Get actual physical address from dma_addr based on SMMU enablement status.
|
|
* IF SMMU Stage 1 tranlation is enabled, DMA APIs return IO virtual address
|
|
* (IOVA) otherwise returns physical address. So get SMMU physical address
|
|
* mapping from IOVA.
|
|
*
|
|
* Return: dmaable physical address
|
|
*/
|
|
qdf_dma_addr_t qdf_mem_paddr_from_dmaaddr(qdf_device_t osdev,
|
|
qdf_dma_addr_t dma_addr);
|
|
#else
|
|
static inline
|
|
void qdf_update_mem_map_table(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info,
|
|
qdf_dma_addr_t dma_addr,
|
|
uint32_t mem_size)
|
|
{
|
|
if (!mem_info) {
|
|
qdf_nofl_err("%s: NULL mem_info", __func__);
|
|
return;
|
|
}
|
|
|
|
__qdf_update_mem_map_table(osdev, mem_info, dma_addr, mem_size);
|
|
}
|
|
|
|
static inline
|
|
qdf_dma_addr_t qdf_mem_paddr_from_dmaaddr(qdf_device_t osdev,
|
|
qdf_dma_addr_t dma_addr)
|
|
{
|
|
return __qdf_mem_paddr_from_dmaaddr(osdev, dma_addr);
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* qdf_mem_smmu_s1_enabled() - Return SMMU stage 1 translation enable status
|
|
* @osdev parent device instance
|
|
*
|
|
* Return: true if smmu s1 enabled, false if smmu s1 is bypassed
|
|
*/
|
|
static inline bool qdf_mem_smmu_s1_enabled(qdf_device_t osdev)
|
|
{
|
|
return __qdf_mem_smmu_s1_enabled(osdev);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_dma_get_sgtable() - Returns DMA memory scatter gather table
|
|
* @dev: device instace
|
|
* @sgt: scatter gather table pointer
|
|
* @cpu_addr: HLOS virtual address
|
|
* @dma_addr: dma address
|
|
* @size: allocated memory size
|
|
*
|
|
* Return: physical address
|
|
*/
|
|
static inline int
|
|
qdf_mem_dma_get_sgtable(struct device *dev, void *sgt, void *cpu_addr,
|
|
qdf_dma_addr_t dma_addr, size_t size)
|
|
{
|
|
return __qdf_os_mem_dma_get_sgtable(dev, sgt, cpu_addr, dma_addr, size);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_free_sgtable() - Free a previously allocated sg table
|
|
* @sgt: the mapped sg table header
|
|
*
|
|
* Return: None
|
|
*/
|
|
static inline void
|
|
qdf_mem_free_sgtable(struct sg_table *sgt)
|
|
{
|
|
__qdf_os_mem_free_sgtable(sgt);
|
|
}
|
|
|
|
/**
|
|
* qdf_dma_get_sgtable_dma_addr() - Assigns DMA address to scatterlist elements
|
|
* @sgt: scatter gather table pointer
|
|
*
|
|
* Return: None
|
|
*/
|
|
static inline void
|
|
qdf_dma_get_sgtable_dma_addr(struct sg_table *sgt)
|
|
{
|
|
__qdf_dma_get_sgtable_dma_addr(sgt);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_get_dma_addr() - Return dma address based on SMMU translation status.
|
|
* @osdev: Parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
*
|
|
* Get dma address based on SMMU enablement status. If SMMU Stage 1
|
|
* tranlation is enabled, DMA APIs return IO virtual address otherwise
|
|
* returns physical address.
|
|
*
|
|
* Return: dma address
|
|
*/
|
|
static inline qdf_dma_addr_t qdf_mem_get_dma_addr(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info)
|
|
{
|
|
return __qdf_mem_get_dma_addr(osdev, mem_info);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_get_dma_addr_ptr() - Return DMA address pointer from mem info struct
|
|
* @osdev: Parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
*
|
|
* Based on smmu stage 1 translation enablement, return corresponding dma
|
|
* address storage pointer.
|
|
*
|
|
* Return: dma address storage pointer
|
|
*/
|
|
static inline qdf_dma_addr_t *qdf_mem_get_dma_addr_ptr(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info)
|
|
{
|
|
return __qdf_mem_get_dma_addr_ptr(osdev, mem_info);
|
|
}
|
|
|
|
|
|
/**
|
|
* qdf_mem_get_dma_size() - Return DMA memory size
|
|
* @osdev: parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
*
|
|
* Return: DMA memory size
|
|
*/
|
|
static inline uint32_t
|
|
qdf_mem_get_dma_size(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info)
|
|
{
|
|
return __qdf_mem_get_dma_size(osdev, mem_info);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_set_dma_size() - Set DMA memory size
|
|
* @osdev: parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
* @mem_size: memory size allocated
|
|
*
|
|
* Return: none
|
|
*/
|
|
static inline void
|
|
qdf_mem_set_dma_size(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info,
|
|
uint32_t mem_size)
|
|
{
|
|
__qdf_mem_set_dma_size(osdev, mem_info, mem_size);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_get_dma_size() - Return DMA physical address
|
|
* @osdev: parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
*
|
|
* Return: DMA physical address
|
|
*/
|
|
static inline qdf_dma_addr_t
|
|
qdf_mem_get_dma_pa(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info)
|
|
{
|
|
return __qdf_mem_get_dma_pa(osdev, mem_info);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_set_dma_size() - Set DMA physical address
|
|
* @osdev: parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
* @dma_pa: DMA phsical address
|
|
*
|
|
* Return: none
|
|
*/
|
|
static inline void
|
|
qdf_mem_set_dma_pa(qdf_device_t osdev,
|
|
qdf_mem_info_t *mem_info,
|
|
qdf_dma_addr_t dma_pa)
|
|
{
|
|
__qdf_mem_set_dma_pa(osdev, mem_info, dma_pa);
|
|
}
|
|
|
|
/**
|
|
* qdf_mem_shared_mem_alloc() - Allocate DMA memory for shared resource
|
|
* @osdev: parent device instance
|
|
* @mem_info: Pointer to allocated memory information
|
|
* @size: size to be allocated
|
|
*
|
|
* Allocate DMA memory which will be shared with external kernel module. This
|
|
* information is needed for SMMU mapping.
|
|
*
|
|
* Return: 0 success
|
|
*/
|
|
qdf_shared_mem_t *qdf_mem_shared_mem_alloc(qdf_device_t osdev, uint32_t size);
|
|
|
|
/**
|
|
* qdf_mem_shared_mem_free() - Free shared memory
|
|
* @osdev: parent device instance
|
|
* @shared_mem: shared memory information storage
|
|
*
|
|
* Free DMA shared memory resource
|
|
*
|
|
* Return: None
|
|
*/
|
|
static inline void qdf_mem_shared_mem_free(qdf_device_t osdev,
|
|
qdf_shared_mem_t *shared_mem)
|
|
{
|
|
if (!shared_mem) {
|
|
qdf_nofl_err("%s: NULL shared mem struct passed",
|
|
__func__);
|
|
return;
|
|
}
|
|
|
|
if (shared_mem->vaddr) {
|
|
qdf_mem_free_consistent(osdev, osdev->dev,
|
|
qdf_mem_get_dma_size(osdev,
|
|
&shared_mem->mem_info),
|
|
shared_mem->vaddr,
|
|
qdf_mem_get_dma_addr(osdev,
|
|
&shared_mem->mem_info),
|
|
qdf_get_dma_mem_context(shared_mem,
|
|
memctx));
|
|
}
|
|
qdf_mem_free_sgtable(&shared_mem->sgtable);
|
|
qdf_mem_free(shared_mem);
|
|
}
|
|
|
|
/**
|
|
* qdf_dma_mem_stats_read() - Return the DMA memory allocated in
|
|
* host driver
|
|
*
|
|
* Return: Total DMA memory allocated
|
|
*/
|
|
int32_t qdf_dma_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_heap_mem_stats_read() - Return the heap memory allocated
|
|
* in host driver
|
|
*
|
|
* Return: Total heap memory allocated
|
|
*/
|
|
int32_t qdf_heap_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_skb_mem_stats_read() - Return the SKB memory allocated in
|
|
* host driver
|
|
*
|
|
* Return: Total SKB memory allocated
|
|
*/
|
|
int32_t qdf_skb_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_skb_total_mem_stats_read() - Return the SKB memory allocated
|
|
* in the host driver tracked in both debug and perf builds
|
|
*
|
|
* Return: Total SKB memory allocated
|
|
*/
|
|
int32_t qdf_skb_total_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_skb_max_mem_stats_read() - Return the max SKB memory
|
|
* allocated in host driver. This is the high watermark for the
|
|
* total SKB allocated in the host driver
|
|
*
|
|
* Return: None
|
|
*/
|
|
int32_t qdf_skb_max_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_mem_tx_desc_cnt_read() - Return the outstanding Tx descs
|
|
* which are waiting on Tx completions
|
|
*
|
|
* Return: Outstanding Tx desc count
|
|
*/
|
|
int32_t qdf_mem_tx_desc_cnt_read(void);
|
|
|
|
/**
|
|
* qdf_mem_tx_desc_max_read() - Return the max outstanding Tx
|
|
* descs which are waiting on Tx completions. This is the high
|
|
* watermark for the pending desc count
|
|
*
|
|
* Return: Max outstanding Tx desc count
|
|
*/
|
|
int32_t qdf_mem_tx_desc_max_read(void);
|
|
|
|
/**
|
|
* qdf_mem_stats_init() - Initialize the qdf memstats fields on
|
|
* creating the sysfs node
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_stats_init(void);
|
|
|
|
/**
|
|
* qdf_dp_tx_skb_mem_stats_read() - Return the SKB memory
|
|
* allocated for Tx data path
|
|
*
|
|
* Return: Tx SKB memory allocated
|
|
*/
|
|
int32_t qdf_dp_tx_skb_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_dp_rx_skb_mem_stats_read() - Return the SKB memory
|
|
* allocated for Rx data path
|
|
*
|
|
* Return: Rx SKB memory allocated
|
|
*/
|
|
int32_t qdf_dp_rx_skb_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_dp_tx_skb_max_mem_stats_read() - Return the high
|
|
* watermark for the SKB memory allocated for Tx data path
|
|
*
|
|
* Return: Max Tx SKB memory allocated
|
|
*/
|
|
int32_t qdf_dp_tx_skb_max_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_dp_rx_skb_max_mem_stats_read() - Return the high
|
|
* watermark for the SKB memory allocated for Rx data path
|
|
*
|
|
* Return: Max Rx SKB memory allocated
|
|
*/
|
|
int32_t qdf_dp_rx_skb_max_mem_stats_read(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_cnt_read() - Return number of buffers
|
|
* allocated in the Tx data path by the host driver or
|
|
* buffers coming from the n/w stack
|
|
*
|
|
* Return: Number of DP Tx buffers allocated
|
|
*/
|
|
int32_t qdf_mem_dp_tx_skb_cnt_read(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_tx_skb_max_cnt_read() - Return max number of
|
|
* buffers allocated in the Tx data path
|
|
*
|
|
* Return: Max number of DP Tx buffers allocated
|
|
*/
|
|
int32_t qdf_mem_dp_tx_skb_max_cnt_read(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_cnt_read() - Return number of buffers
|
|
* allocated in the Rx data path
|
|
*
|
|
* Return: Number of DP Rx buffers allocated
|
|
*/
|
|
int32_t qdf_mem_dp_rx_skb_cnt_read(void);
|
|
|
|
/**
|
|
* qdf_mem_dp_rx_skb_max_cnt_read() - Return max number of
|
|
* buffers allocated in the Rx data path
|
|
*
|
|
* Return: Max number of DP Rx buffers allocated
|
|
*/
|
|
int32_t qdf_mem_dp_rx_skb_max_cnt_read(void);
|
|
|
|
/**
|
|
* qdf_mem_tx_desc_cnt_update() - Update the pending tx desc
|
|
* count and the high watermark for pending tx desc count
|
|
*
|
|
* @pending_tx_descs: outstanding Tx desc count
|
|
* @tx_descs_max: high watermark for outstanding Tx desc count
|
|
*
|
|
* Return: None
|
|
*/
|
|
void qdf_mem_tx_desc_cnt_update(qdf_atomic_t pending_tx_descs,
|
|
int32_t tx_descs_max);
|
|
|
|
/**
|
|
* qdf_mem_vfree() - Free the virtual memory pointed to by ptr
|
|
* @ptr: Pointer to the starting address of the memory to
|
|
* be freed.
|
|
*
|
|
* Return: None
|
|
*/
|
|
#define qdf_mem_vfree(ptr) __qdf_mem_vfree(ptr)
|
|
|
|
/**
|
|
* qdf_mem_valloc() - Allocate virtual memory for the given
|
|
* size
|
|
* @size: Number of bytes of memory to be allocated
|
|
*
|
|
* Return: Pointer to the starting address of the allocated virtual memory
|
|
*/
|
|
#define qdf_mem_valloc(size) __qdf_mem_valloc(size, __func__, __LINE__)
|
|
|
|
#if IS_ENABLED(CONFIG_ARM_SMMU) && defined(ENABLE_SMMU_S1_TRANSLATION)
|
|
/*
|
|
* typedef qdf_iommu_domain_t: Platform indepedent iommu domain
|
|
* abstraction
|
|
*/
|
|
typedef __qdf_iommu_domain_t qdf_iommu_domain_t;
|
|
|
|
/**
|
|
* qdf_iommu_domain_get_attr() - API to get iommu domain attributes
|
|
* @domain: iommu domain
|
|
* @attr: iommu attribute
|
|
* @data: data pointer
|
|
*
|
|
* Return: 0 on success, else errno
|
|
*/
|
|
int
|
|
qdf_iommu_domain_get_attr(qdf_iommu_domain_t *domain,
|
|
enum qdf_iommu_attr attr, void *data);
|
|
#endif
|
|
#endif /* __QDF_MEMORY_H */
|