1 files changed, 119 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h b/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h
new file mode 100644
index 00000000..aacabfe9
--- /dev/null
+++ b/drivers/gpu/nvgpu/boardobj/boardobjgrpmask.h
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _BOARDOBJGRPMASK_H_
+#define _BOARDOBJGRPMASK_H_
+
+#include "ctrl/ctrlboardobj.h"
+
+
+/*
+* Board Object Group Mask super-structure.
+* Used to unify access to all BOARDOBJGRPMASK_E** child classes
+*/
+struct boardobjgrpmask {
+        /* Number of bits supported by the mask */
+        u8  bitcount;
+        /* Number of 32-bit words required to store all @ref bitCount bits */
+        u8  maskdatacount;
+        /*
+        * Bit-mask of used-bits within last 32-bit word. Used to
+        * normalize data
+        */
+        u32 lastmaskfilter;
+        /*
+        * Start of the array of 32-bit words representing the bit-mask
+        * Must be the last element of the structure.
+        */
+         u32 data[CTRL_BOARDOBJGRP_MASK_ARRAY_START_SIZE];
+};
+
+struct boardobjgrpmask_e32 {
+        /*
+        * BOARDOBJGRPMASK super-class. Must be the first element of the
+        * structure.
+        */
+        struct boardobjgrpmask super;
+         /*u32   data_e32[1]; */
+};
+
+struct boardobjgrpmask_e255 {
+        /*
+        * BOARDOBJGRPMASK super-class. Must be the first element of the
+        * structure.
+        */
+        struct boardobjgrpmask super;
+        u32   data_e255[254];
+};
+
+/* Init and I/O operations.*/
+u32 boardobjgrpmask_init(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+u32 boardobjgrpmask_import(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+u32 boardobjgrpmask_export(struct boardobjgrpmask *mask, u8 bitsize,
+                struct ctrl_boardobjgrp_mask *extmask);
+
+/* Operations on all bits of a single mask.*/
+u32 boardobjgrpmask_clr(struct boardobjgrpmask *mask);
+u32 boardobjgrpmask_set(struct boardobjgrpmask *mask);
+u32 boardobjgrpmask_inv(struct boardobjgrpmask *mask);
+bool boardobjgrpmask_iszero(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitsetcount(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitidxlowest(struct boardobjgrpmask *mask);
+u8 boardobjgrpmask_bitidxhighest(struct boardobjgrpmask *mask);
+
+/* Operations on a single bit of a single mask */
+u32 boardobjgrpmask_bitclr(struct boardobjgrpmask *mask, u8 bitidx);
+u32 boardobjgrpmask_bitset(struct boardobjgrpmask *mask, u8 bitidx);
+u32 boardobjgrpmask_bitinv(struct boardobjgrpmask *mask, u8 bitidx);
+bool boardobjgrpmask_bitget(struct boardobjgrpmask *mask, u8 bitidx);
+
+/* Operations on a multiple masks */
+u32 boardobjgrpmask_and(struct boardobjgrpmask *dst,
+                        struct boardobjgrpmask *op1,
+                        struct boardobjgrpmask *op2);
+u32 boardobjgrpmask_or(struct boardobjgrpmask *dst, struct boardobjgrpmask *op1,
+                       struct boardobjgrpmask *op2);
+u32 boardobjgrpmask_xor(struct boardobjgrpmask *dst,
+                        struct boardobjgrpmask *op1,
+                        struct boardobjgrpmask *op2);
+
+/* Special interfaces */
+u32 boardobjgrpmask_copy(struct boardobjgrpmask *dst,
+                struct boardobjgrpmask *src);
+bool boardobjgrpmask_sizeeq(struct boardobjgrpmask *op1,
+                struct boardobjgrpmask *op2);
+bool boardobjgrpmask_issubset(struct boardobjgrpmask *op1,
+                struct boardobjgrpmask *op2);
+
+/* init boardobjgrpmask_e32 structure */
+#define boardobjgrpmask_e32_init(pmaske32, pextmask)                           \
+        boardobjgrpmask_init(&(pmaske32)->super,                               \
+                CTRL_BOARDOBJGRP_E32_MAX_OBJECTS, (pextmask))
+
+/* init boardobjgrpmask_e255 structure */
+#define boardobjgrpmask_e255_init(pmaske255, pextmask)                         \
+        boardobjgrpmask_init(&(pmaske255)->super,                              \
+                CTRL_BOARDOBJGRP_E255_MAX_OBJECTS, (pextmask))
+
+#endif