diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-07 08:19:51 +0200 |
| commit | a1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch) | |
| tree | 0f1777542b385ebefd30b3586d830fd8ed6fda5b /arch/mips/include/asm/octeon/cvmx-bootmem.h | |
| parent | 75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff) | |
| parent | d28daf923ac5e4a0d7cecebae56f3e339189366b (diff) | |
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts:
arch/Kconfig
kernel/trace/trace.h
Merge reason: resolve the conflicts, plus adopt to the new
ring-buffer APIs.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/mips/include/asm/octeon/cvmx-bootmem.h')
| -rw-r--r-- | arch/mips/include/asm/octeon/cvmx-bootmem.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/mips/include/asm/octeon/cvmx-bootmem.h b/arch/mips/include/asm/octeon/cvmx-bootmem.h index 1cbe4b55889d..8e708bdb43f7 100644 --- a/arch/mips/include/asm/octeon/cvmx-bootmem.h +++ b/arch/mips/include/asm/octeon/cvmx-bootmem.h @@ -183,6 +183,64 @@ extern void *cvmx_bootmem_alloc_range(uint64_t size, uint64_t alignment, * Returns 0 on failure, * !0 on success */ + + +/** + * 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 + * @alignment: Alignment required - must be power of 2 + * @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(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 + * a name in the global named block table. (part of the + * cvmx_bootmem_descriptor_t structure) Named blocks can later be + * freed. If request cannot be satisfied within the address range + * specified, NULL is returned + * + * @size: Size in bytes of block to allocate + * @min_addr: minimum address of range + * @max_addr: maximum address of range + * @align: Alignment of memory to be allocated. (must be a power of 2) + * @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_range(uint64_t size, uint64_t min_addr, + uint64_t max_addr, uint64_t align, + char *name); + extern int cvmx_bootmem_free_named(char *name); /** @@ -224,6 +282,33 @@ int64_t cvmx_bootmem_phy_alloc(uint64_t req_size, uint64_t address_min, uint32_t flags); /** + * Allocates a named block of physical memory from the free list, at + * (optional) requested address and alignment. + * + * @param size size of region to allocate. All requests are rounded + * up to be a multiple CVMX_BOOTMEM_ALIGNMENT_SIZE + * bytes size + * @param min_addr Minimum address that block can occupy. + * @param max_addr Specifies the maximum address_min (inclusive) that + * the allocation can use. + * @param alignment Requested alignment of the block. If this + * alignment cannot be met, the allocation fails. + * This must be a power of 2. (Note: Alignment of + * CVMX_BOOTMEM_ALIGNMENT_SIZE bytes is required, and + * internally enforced. Requested alignments of less + * than CVMX_BOOTMEM_ALIGNMENT_SIZE are set to + * CVMX_BOOTMEM_ALIGNMENT_SIZE.) + * @param name name to assign to named block + * @param flags Flags to control options for the allocation. + * + * @return physical address of block allocated, or -1 on failure + */ +int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr, + uint64_t max_addr, + uint64_t alignment, + char *name, uint32_t flags); + +/** * Finds a named memory block by name. * Also used for finding an unused entry in the named block table. * |
