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-rw-r--r--src/plugins/dev_octeon/roc_helper.c181
1 files changed, 181 insertions, 0 deletions
diff --git a/src/plugins/dev_octeon/roc_helper.c b/src/plugins/dev_octeon/roc_helper.c
new file mode 100644
index 00000000000..f10c2cb578b
--- /dev/null
+++ b/src/plugins/dev_octeon/roc_helper.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2023 Marvell.
+ * SPDX-License-Identifier: Apache-2.0
+ * https://spdx.org/licenses/Apache-2.0.html
+ */
+
+#include <vnet/vnet.h>
+#include <vlib/pci/pci.h>
+#include <vlib/linux/vfio.h>
+#include <base/roc_api.h>
+#include <common.h>
+
+static oct_plt_memzone_list_t memzone_list;
+
+static inline void
+oct_plt_log (oct_plt_log_level_t level, oct_plt_log_class_t cls, char *fmt,
+ ...)
+{
+ vlib_log ((vlib_log_level_t) level, cls, fmt);
+}
+
+static inline void
+oct_plt_spinlock_init (oct_plt_spinlock_t *p)
+{
+ clib_spinlock_init ((clib_spinlock_t *) p);
+}
+
+static void
+oct_plt_spinlock_lock (oct_plt_spinlock_t *p)
+{
+ clib_spinlock_lock ((clib_spinlock_t *) p);
+}
+
+static void
+oct_plt_spinlock_unlock (oct_plt_spinlock_t *p)
+{
+ clib_spinlock_unlock ((clib_spinlock_t *) p);
+}
+
+static int
+oct_plt_spinlock_trylock (oct_plt_spinlock_t *p)
+{
+ return clib_spinlock_trylock ((clib_spinlock_t *) p);
+}
+
+static u64
+oct_plt_get_thread_index (void)
+{
+ return __os_thread_index;
+}
+
+static void
+oct_drv_physmem_free (vlib_main_t *vm, void *mem)
+{
+ if (!mem)
+ {
+ clib_warning ("Invalid address %p", mem);
+ return;
+ }
+
+ vlib_physmem_free (vm, mem);
+}
+
+static void *
+oct_drv_physmem_alloc (vlib_main_t *vm, u32 size, u32 align)
+{
+ clib_error_t *error = NULL;
+ uword *mem = NULL;
+
+ if (align)
+ {
+ /* Force cache line alloc in case alignment is less than cache line */
+ align = align < CLIB_CACHE_LINE_BYTES ? CLIB_CACHE_LINE_BYTES : align;
+ mem = vlib_physmem_alloc_aligned_on_numa (vm, size, align, 0);
+ }
+ else
+ mem =
+ vlib_physmem_alloc_aligned_on_numa (vm, size, CLIB_CACHE_LINE_BYTES, 0);
+ if (!mem)
+ return NULL;
+
+ error = vfio_map_physmem_page (vm, mem);
+ if (error)
+ goto report_error;
+
+ clib_memset (mem, 0, size);
+ return mem;
+
+report_error:
+ clib_error_report (error);
+ oct_drv_physmem_free (vm, mem);
+
+ return NULL;
+}
+
+static void
+oct_plt_free (void *addr)
+{
+ vlib_main_t *vm = vlib_get_main ();
+
+ oct_drv_physmem_free ((void *) vm, addr);
+}
+
+static void *
+oct_plt_zmalloc (u32 size, u32 align)
+{
+ vlib_main_t *vm = vlib_get_main ();
+
+ return oct_drv_physmem_alloc (vm, size, align);
+}
+
+static oct_plt_memzone_t *
+memzone_get (u32 index)
+{
+ if (index == ((u32) ~0))
+ return 0;
+
+ return pool_elt_at_index (memzone_list.mem_pool, index);
+}
+
+static int
+oct_plt_memzone_free (const oct_plt_memzone_t *name)
+{
+ uword *p;
+ p = hash_get_mem (memzone_list.memzone_by_name, name);
+
+ if (p[0] == ((u32) ~0))
+ return -EINVAL;
+
+ hash_unset_mem (memzone_list.memzone_by_name, name);
+
+ pool_put_index (memzone_list.mem_pool, p[0]);
+
+ return 0;
+}
+
+static oct_plt_memzone_t *
+oct_plt_memzone_lookup (const char *name)
+{
+ uword *p;
+ p = hash_get_mem (memzone_list.memzone_by_name, name);
+ if (p)
+ return memzone_get (p[0]);
+
+ return 0;
+}
+
+static oct_plt_memzone_t *
+oct_plt_memzone_reserve_aligned (const char *name, u64 len, u8 socket,
+ u32 flags, u32 align)
+{
+ oct_plt_memzone_t *mem_pool;
+ void *p = NULL;
+
+ pool_get_zero (memzone_list.mem_pool, mem_pool);
+
+ p = oct_plt_zmalloc (len, align);
+ if (!p)
+ return NULL;
+
+ mem_pool->addr = p;
+ mem_pool->index = mem_pool - memzone_list.mem_pool;
+ hash_set_mem (memzone_list.memzone_by_name, name, mem_pool->index);
+
+ return mem_pool;
+}
+
+oct_plt_init_param_t oct_plt_init_param = {
+ .oct_plt_log_reg_class = vlib_log_register_class,
+ .oct_plt_log = oct_plt_log,
+ .oct_plt_free = oct_plt_free,
+ .oct_plt_zmalloc = oct_plt_zmalloc,
+ .oct_plt_memzone_free = oct_plt_memzone_free,
+ .oct_plt_memzone_lookup = oct_plt_memzone_lookup,
+ .oct_plt_memzone_reserve_aligned = oct_plt_memzone_reserve_aligned,
+ .oct_plt_spinlock_init = oct_plt_spinlock_init,
+ .oct_plt_spinlock_lock = oct_plt_spinlock_lock,
+ .oct_plt_spinlock_unlock = oct_plt_spinlock_unlock,
+ .oct_plt_spinlock_trylock = oct_plt_spinlock_trylock,
+ .oct_plt_get_thread_index = oct_plt_get_thread_index,
+};