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/*
* 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 u64
oct_plt_get_cache_line_size (void)
{
return CLIB_CACHE_LINE_BYTES;
}
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,
.oct_plt_get_cache_line_size = oct_plt_get_cache_line_size,
};
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