diff options
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-bootmem.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-bootmem.h | 118 |
1 files changed, 42 insertions, 76 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-bootmem.h b/arch/mips/include/asm/octeon/cvmx-bootmem.h index 352f1dc2508b..689a82cac740 100644 --- a/arch/mips/include/asm/octeon/cvmx-bootmem.h +++ b/arch/mips/include/asm/octeon/cvmx-bootmem.h @@ -95,6 +95,7 @@ struct cvmx_bootmem_named_block_desc { * positions for backwards compatibility. */ struct cvmx_bootmem_desc { +#if defined(__BIG_ENDIAN_BITFIELD) || defined(CVMX_BUILD_FOR_LINUX_HOST) /* spinlock to control access to list */ uint32_t lock; /* flags for indicating various conditions */ @@ -120,7 +121,20 @@ struct cvmx_bootmem_desc { uint32_t named_block_name_len; /* address of named memory block descriptors */ uint64_t named_block_array_addr; +#else /* __LITTLE_ENDIAN */ + uint32_t flags; + uint32_t lock; + uint64_t head_addr; + + uint32_t minor_version; + uint32_t major_version; + uint64_t app_data_addr; + uint64_t app_data_size; + uint32_t named_block_name_len; + uint32_t named_block_num_blocks; + uint64_t named_block_array_addr; +#endif }; /** @@ -132,18 +146,6 @@ struct cvmx_bootmem_desc { extern int cvmx_bootmem_init(void *mem_desc_ptr); /** - * Allocate a block of memory from the free list that was passed - * to the application by the bootloader. - * This is an allocate-only algorithm, so freeing memory is not possible. - * - * @size: Size in bytes of block to allocate - * @alignment: Alignment required - must be power of 2 - * - * Returns pointer to block of memory, NULL on error - */ -extern void *cvmx_bootmem_alloc(uint64_t size, uint64_t alignment); - -/** * Allocate a block of memory from the free list that was * passed to the application by the bootloader at a specific * address. This is an allocate-only algorithm, so @@ -160,22 +162,6 @@ extern void *cvmx_bootmem_alloc_address(uint64_t size, uint64_t address, uint64_t alignment); /** - * Allocate a block of memory from the free list that was - * passed to the application by the bootloader within a specified - * address range. This is an allocate-only algorithm, so - * freeing memory is not possible. Allocation will fail if - * memory cannot be allocated in the requested range. - * - * @size: Size in bytes of block to allocate - * @min_addr: defines the minimum address of the range - * @max_addr: defines the maximum address of the range - * @alignment: Alignment required - must be power of 2 - * Returns pointer to block of memory, NULL on error - */ -extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, - uint64_t min_addr, uint64_t max_addr); - -/** * Frees a previously allocated named bootmem block. * * @name: name of block to free @@ -200,27 +186,6 @@ extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, extern void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment, char *name); - - -/** - * Allocate a block of memory from the free list that was passed - * to the application by the bootloader, and assign it a name in the - * global named block table. (part of the cvmx_bootmem_descriptor_t structure) - * Named blocks can later be freed. - * - * @size: Size in bytes of block to allocate - * @address: Physical address to allocate memory at. If this - * memory is not available, the allocation fails. - * @name: name of block - must be less than CVMX_BOOTMEM_NAME_LEN - * bytes - * - * Returns a pointer to block of memory, NULL on error - */ -extern void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address, - char *name); - - - /** * Allocate a block of memory from a specific range of the free list * that was passed to the application by the bootloader, and assign it @@ -241,6 +206,34 @@ extern void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr, uint64_t max_addr, uint64_t align, char *name); +/** + * Allocate if needed a block of memory from a specific range of the + * free list that was passed to the application by the bootloader, and + * assign it a name in the global named block table. (part of the + * cvmx_bootmem_descriptor_t structure) Named blocks can later be + * freed. If the requested name block is already allocated, return + * the pointer to block of memory. If request cannot be satisfied + * within the address range specified, NULL is returned + * + * @param size Size in bytes of block to allocate + * @param min_addr minimum address of range + * @param max_addr maximum address of range + * @param align Alignment of memory to be allocated. (must be a power of 2) + * @param name name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes + * @param init Initialization function + * + * The initialization function is optional, if omitted the named block + * is initialized to all zeros when it is created, i.e. once. + * + * @return pointer to block of memory, NULL on error + */ +void *cvmx_bootmem_alloc_named_range_once(uint64_t size, + uint64_t min_addr, + uint64_t max_addr, + uint64_t align, + char *name, + void (*init) (void *)); + extern int cvmx_bootmem_free_named(char *name); /** @@ -309,33 +302,6 @@ int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, char *name, uint32_t flags); /** - * Finds a named memory block by name. - * Also used for finding an unused entry in the named block table. - * - * @name: Name of memory block to find. If NULL pointer given, then - * finds unused descriptor, if available. - * - * @flags: Flags to control options for the allocation. - * - * Returns Pointer to memory block descriptor, NULL if not found. - * If NULL returned when name parameter is NULL, then no memory - * block descriptors are available. - */ -struct cvmx_bootmem_named_block_desc * -cvmx_bootmem_phy_named_block_find(char *name, uint32_t flags); - -/** - * Frees a named block. - * - * @name: name of block to free - * @flags: flags for passing options - * - * Returns 0 on failure - * 1 on success - */ -int cvmx_bootmem_phy_named_block_free(char *name, uint32_t flags); - -/** * Frees a block to the bootmem allocator list. This must * be used with care, as the size provided must match the size * of the block that was allocated, or the list will become |