Mali Bifrost DDK r17p0 KMD

Provenance:
 789dfe7c7 (collaborate/EAC/b_r17p0)
 BX304L01B-BU-00000-r17p0-01rel0
 BX304L06A-BU-00000-r17p0-01rel0
 BX304X07X-BU-00000-r17p0-01rel0

Signed-off-by: Sidath Senanayake <sidaths@google.com>
Change-Id: Iff5bea2d96207a6e72d5e533e772c24a7adbdc31

1 files changed, 115 insertions, 0 deletions

diff --git a/mali_kbase/mali_kbase_mem_pool_group.c b/mali_kbase/mali_kbase_mem_pool_group.c
new file mode 100644
index 0000000..aa25548
--- /dev/null
+++ b/mali_kbase/mali_kbase_mem_pool_group.c
@@ -0,0 +1,115 @@
+/*
+ *
+ * (C) COPYRIGHT 2019 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you can access it online at
+ * http://www.gnu.org/licenses/gpl-2.0.html.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ */
+
+#include <mali_kbase.h>
+#include <mali_kbase_mem.h>
+#include <mali_kbase_mem_pool_group.h>
+
+#include <linux/memory_group_manager.h>
+
+void kbase_mem_pool_group_config_set_max_size(
+	struct kbase_mem_pool_group_config *const configs,
+	size_t const max_size)
+{
+	size_t const large_max_size = max_size >>
+		(KBASE_MEM_POOL_2MB_PAGE_TABLE_ORDER -
+		KBASE_MEM_POOL_4KB_PAGE_TABLE_ORDER);
+	int gid;
+
+	for (gid = 0; gid < MEMORY_GROUP_MANAGER_NR_GROUPS; ++gid) {
+		kbase_mem_pool_config_set_max_size(&configs->small[gid],
+			max_size);
+
+		kbase_mem_pool_config_set_max_size(&configs->large[gid],
+			large_max_size);
+	}
+}
+
+int kbase_mem_pool_group_init(
+	struct kbase_mem_pool_group *const mem_pools,
+	struct kbase_device *const kbdev,
+	const struct kbase_mem_pool_group_config *const configs,
+	struct kbase_mem_pool_group *next_pools)
+{
+	int gid, err = 0;
+
+	for (gid = 0; gid < MEMORY_GROUP_MANAGER_NR_GROUPS; ++gid) {
+		err = kbase_mem_pool_init(&mem_pools->small[gid],
+			&configs->small[gid],
+			KBASE_MEM_POOL_4KB_PAGE_TABLE_ORDER,
+			gid,
+			kbdev,
+			next_pools ? &next_pools->small[gid] : NULL);
+
+		if (!err) {
+			err = kbase_mem_pool_init(&mem_pools->large[gid],
+				&configs->large[gid],
+				KBASE_MEM_POOL_2MB_PAGE_TABLE_ORDER,
+				gid,
+				kbdev,
+				next_pools ? &next_pools->large[gid] : NULL);
+			if (err)
+				kbase_mem_pool_term(&mem_pools->small[gid]);
+		}
+
+		/* Break out of the loop early to avoid incrementing the count
+		 * of memory pool pairs successfully initialized.
+		 */
+		if (err)
+			break;
+	}
+
+	if (err) {
+		/* gid gives the number of memory pool pairs successfully
+		 * initialized, which is one greater than the array index of the
+		 * last group.
+		 */
+		while (gid-- > 0) {
+			kbase_mem_pool_term(&mem_pools->small[gid]);
+			kbase_mem_pool_term(&mem_pools->large[gid]);
+		}
+	}
+
+	return err;
+}
+
+void kbase_mem_pool_group_mark_dying(
+	struct kbase_mem_pool_group *const mem_pools)
+{
+	int gid;
+
+	for (gid = 0; gid < MEMORY_GROUP_MANAGER_NR_GROUPS; ++gid) {
+		kbase_mem_pool_mark_dying(&mem_pools->small[gid]);
+		kbase_mem_pool_mark_dying(&mem_pools->large[gid]);
+	}
+}
+
+void kbase_mem_pool_group_term(
+	struct kbase_mem_pool_group *const mem_pools)
+{
+	int gid;
+
+	for (gid = 0; gid < MEMORY_GROUP_MANAGER_NR_GROUPS; ++gid) {
+		kbase_mem_pool_term(&mem_pools->small[gid]);
+		kbase_mem_pool_term(&mem_pools->large[gid]);
+	}
+}