MIPS: Add named alloc functions to OCTEON boot monitor memory allocator.
The various Octeon ethernet drivers use these new functions. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle
parent
ce65cc8fe2
commit
6fa044ab8a
@@ -183,6 +183,64 @@ extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment,
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* Returns 0 on failure,
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* !0 on success
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*/
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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*
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* @size: Size in bytes of block to allocate
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* @alignment: Alignment required - must be power of 2
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* @name: name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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*
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* Returns a pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment,
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char *name);
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/**
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* Allocate a block of memory from the free list that was passed
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* to the application by the bootloader, and assign it a name in the
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* global named block table. (part of the cvmx_bootmem_descriptor_t structure)
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* Named blocks can later be freed.
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*
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* @size: Size in bytes of block to allocate
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* @address: Physical address to allocate memory at. If this
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* memory is not available, the allocation fails.
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* @name: name of block - must be less than CVMX_BOOTMEM_NAME_LEN
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* bytes
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*
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* Returns a pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address,
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char *name);
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/**
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* Allocate a block of memory from a specific range of the free list
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* that was passed to the application by the bootloader, and assign it
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* a name in the global named block table. (part of the
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* cvmx_bootmem_descriptor_t structure) Named blocks can later be
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* freed. If request cannot be satisfied within the address range
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* specified, NULL is returned
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*
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* @size: Size in bytes of block to allocate
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* @min_addr: minimum address of range
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* @max_addr: maximum address of range
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* @align: Alignment of memory to be allocated. (must be a power of 2)
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* @name: name of block - must be less than CVMX_BOOTMEM_NAME_LEN bytes
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*
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* Returns a pointer to block of memory, NULL on error
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*/
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extern void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr,
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uint64_t max_addr, uint64_t align,
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char *name);
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extern int cvmx_bootmem_free_named(char *name);
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/**
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@@ -223,6 +281,33 @@ int64_t cvmx_bootmem_phy_alloc(uint64_t req_size, uint64_t address_min,
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uint64_t address_max, uint64_t alignment,
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uint32_t flags);
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/**
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* Allocates a named block of physical memory from the free list, at
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* (optional) requested address and alignment.
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*
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* @param size size of region to allocate. All requests are rounded
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* up to be a multiple CVMX_BOOTMEM_ALIGNMENT_SIZE
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* bytes size
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* @param min_addr Minimum address that block can occupy.
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* @param max_addr Specifies the maximum address_min (inclusive) that
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* the allocation can use.
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* @param alignment Requested alignment of the block. If this
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* alignment cannot be met, the allocation fails.
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* This must be a power of 2. (Note: Alignment of
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* CVMX_BOOTMEM_ALIGNMENT_SIZE bytes is required, and
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* internally enforced. Requested alignments of less
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* than CVMX_BOOTMEM_ALIGNMENT_SIZE are set to
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* CVMX_BOOTMEM_ALIGNMENT_SIZE.)
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* @param name name to assign to named block
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* @param flags Flags to control options for the allocation.
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*
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* @return physical address of block allocated, or -1 on failure
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*/
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int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr,
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uint64_t max_addr,
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uint64_t alignment,
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char *name, uint32_t flags);
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/**
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* Finds a named memory block by name.
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* Also used for finding an unused entry in the named block table.
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