mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2025-10-30 21:44:27 -04:00
224 lines
7.8 KiB
Diff
224 lines
7.8 KiB
Diff
The MGMT ethernet driver uses these new functions.
|
|
|
|
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
|
|
---
|
|
arch/mips/cavium-octeon/executive/cvmx-bootmem.c | 101 ++++++++++++++++++++++
|
|
arch/mips/include/asm/octeon/cvmx-bootmem.h | 85 ++++++++++++++++++
|
|
2 files changed, 186 insertions(+), 0 deletions(-)
|
|
|
|
--- a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
|
|
+++ b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
|
|
@@ -97,6 +97,32 @@ void *cvmx_bootmem_alloc(uint64_t size,
|
|
return cvmx_bootmem_alloc_range(size, alignment, 0, 0);
|
|
}
|
|
|
|
+void *cvmx_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr,
|
|
+ uint64_t max_addr, uint64_t align,
|
|
+ char *name)
|
|
+{
|
|
+ int64_t addr;
|
|
+
|
|
+ addr = cvmx_bootmem_phy_named_block_alloc(size, min_addr, max_addr,
|
|
+ align, name, 0);
|
|
+ if (addr >= 0)
|
|
+ return cvmx_phys_to_ptr(addr);
|
|
+ else
|
|
+ return NULL;
|
|
+}
|
|
+
|
|
+void *cvmx_bootmem_alloc_named_address(uint64_t size, uint64_t address,
|
|
+ char *name)
|
|
+{
|
|
+ return cvmx_bootmem_alloc_named_range(size, address, address + size,
|
|
+ 0, name);
|
|
+}
|
|
+
|
|
+void *cvmx_bootmem_alloc_named(uint64_t size, uint64_t alignment, char *name)
|
|
+{
|
|
+ return cvmx_bootmem_alloc_named_range(size, 0, 0, alignment, name);
|
|
+}
|
|
+
|
|
int cvmx_bootmem_free_named(char *name)
|
|
{
|
|
return cvmx_bootmem_phy_named_block_free(name, 0);
|
|
@@ -584,3 +610,78 @@ int cvmx_bootmem_phy_named_block_free(ch
|
|
cvmx_bootmem_unlock();
|
|
return named_block_ptr != NULL; /* 0 on failure, 1 on success */
|
|
}
|
|
+
|
|
+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)
|
|
+{
|
|
+ int64_t addr_allocated;
|
|
+ struct cvmx_bootmem_named_block_desc *named_block_desc_ptr;
|
|
+
|
|
+#ifdef DEBUG
|
|
+ cvmx_dprintf("cvmx_bootmem_phy_named_block_alloc: size: 0x%llx, min: "
|
|
+ "0x%llx, max: 0x%llx, align: 0x%llx, name: %s\n",
|
|
+ (unsigned long long)size,
|
|
+ (unsigned long long)min_addr,
|
|
+ (unsigned long long)max_addr,
|
|
+ (unsigned long long)alignment,
|
|
+ name);
|
|
+#endif
|
|
+ if (cvmx_bootmem_desc->major_version != 3) {
|
|
+ cvmx_dprintf("ERROR: Incompatible bootmem descriptor version: "
|
|
+ "%d.%d at addr: %p\n",
|
|
+ (int)cvmx_bootmem_desc->major_version,
|
|
+ (int)cvmx_bootmem_desc->minor_version,
|
|
+ cvmx_bootmem_desc);
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+ /*
|
|
+ * Take lock here, as name lookup/block alloc/name add need to
|
|
+ * be atomic.
|
|
+ */
|
|
+ if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
|
|
+ cvmx_spinlock_lock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
|
|
+
|
|
+ /* Get pointer to first available named block descriptor */
|
|
+ named_block_desc_ptr =
|
|
+ cvmx_bootmem_phy_named_block_find(NULL,
|
|
+ flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
+
|
|
+ /*
|
|
+ * Check to see if name already in use, return error if name
|
|
+ * not available or no more room for blocks.
|
|
+ */
|
|
+ if (cvmx_bootmem_phy_named_block_find(name,
|
|
+ flags | CVMX_BOOTMEM_FLAG_NO_LOCKING) || !named_block_desc_ptr) {
|
|
+ if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
|
|
+ cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
|
|
+ return -1;
|
|
+ }
|
|
+
|
|
+
|
|
+ /*
|
|
+ * Round size up to mult of minimum alignment bytes We need
|
|
+ * the actual size allocated to allow for blocks to be
|
|
+ * coallesced when they are freed. The alloc routine does the
|
|
+ * same rounding up on all allocations.
|
|
+ */
|
|
+ size = __ALIGN_MASK(size, (CVMX_BOOTMEM_ALIGNMENT_SIZE - 1));
|
|
+
|
|
+ addr_allocated = cvmx_bootmem_phy_alloc(size, min_addr, max_addr,
|
|
+ alignment,
|
|
+ flags | CVMX_BOOTMEM_FLAG_NO_LOCKING);
|
|
+ if (addr_allocated >= 0) {
|
|
+ named_block_desc_ptr->base_addr = addr_allocated;
|
|
+ named_block_desc_ptr->size = size;
|
|
+ strncpy(named_block_desc_ptr->name, name,
|
|
+ cvmx_bootmem_desc->named_block_name_len);
|
|
+ named_block_desc_ptr->name[cvmx_bootmem_desc->named_block_name_len - 1] = 0;
|
|
+ }
|
|
+
|
|
+ if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
|
|
+ cvmx_spinlock_unlock((cvmx_spinlock_t *)&(cvmx_bootmem_desc->lock));
|
|
+ return addr_allocated;
|
|
+}
|
|
--- 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(ui
|
|
* 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
|
|
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.
|
|
*
|