| /**************************************************************************** |
| * |
| * The MIT License (MIT) |
| * |
| * Copyright (c) 2014 - 2020 Vivante Corporation |
| * |
| * 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. |
| * |
| ***************************************************************************** |
| * |
| * The GPL License (GPL) |
| * |
| * Copyright (C) 2014 - 2020 Vivante Corporation |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version 2 |
| * of the License, or (at your option) any later version. |
| * |
| * 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, write to the Free Software Foundation, |
| * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| * |
| ***************************************************************************** |
| * |
| * Note: This software is released under dual MIT and GPL licenses. A |
| * recipient may use this file under the terms of either the MIT license or |
| * GPL License. If you wish to use only one license not the other, you can |
| * indicate your decision by deleting one of the above license notices in your |
| * version of this file. |
| * |
| *****************************************************************************/ |
| |
| |
| #include "gc_hal_kernel_precomp.h" |
| |
| |
| |
| |
| #define _GC_OBJ_ZONE gcvZONE_KERNEL |
| |
| #if gcdSECURITY |
| |
| /* |
| ** Open a security service channel. |
| */ |
| gceSTATUS |
| gckKERNEL_SecurityOpen( |
| IN gckKERNEL Kernel, |
| IN gctUINT32 GPU, |
| OUT gctUINT32 *Channel |
| ) |
| { |
| gceSTATUS status; |
| |
| gcmkONERROR(gckOS_OpenSecurityChannel(Kernel->os, Kernel->core, Channel)); |
| gcmkONERROR(gckOS_InitSecurityChannel(*Channel)); |
| |
| return gcvSTATUS_OK; |
| |
| OnError: |
| return status; |
| } |
| |
| /* |
| ** Close a security service channel |
| */ |
| gceSTATUS |
| gckKERNEL_SecurityClose( |
| IN gctUINT32 Channel |
| ) |
| { |
| return gcvSTATUS_OK; |
| } |
| |
| /* |
| ** Security service interface. |
| */ |
| gceSTATUS |
| gckKERNEL_SecurityCallService( |
| IN gctUINT32 Channel, |
| IN OUT gcsTA_INTERFACE * Interface |
| ) |
| { |
| gceSTATUS status; |
| gcmkHEADER(); |
| |
| gcmkVERIFY_ARGUMENT(Interface != gcvNULL); |
| |
| gckOS_CallSecurityService(Channel, Interface); |
| |
| status = Interface->result; |
| |
| gcmkONERROR(status); |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| gceSTATUS |
| gckKERNEL_SecurityStartCommand( |
| IN gckKERNEL Kernel |
| ) |
| { |
| gceSTATUS status; |
| gcsTA_INTERFACE iface; |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_START_COMMAND; |
| iface.u.StartCommand.gpu = Kernel->core; |
| |
| gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface)); |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| gceSTATUS |
| gckKERNEL_SecurityAllocateSecurityMemory( |
| IN gckKERNEL Kernel, |
| IN gctUINT32 Bytes, |
| OUT gctUINT32 * Handle |
| ) |
| { |
| gceSTATUS status; |
| gcsTA_INTERFACE iface; |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_ALLOCATE_SECRUE_MEMORY; |
| iface.u.AllocateSecurityMemory.bytes = Bytes; |
| |
| gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface)); |
| |
| *Handle = iface.u.AllocateSecurityMemory.memory_handle; |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| gceSTATUS |
| gckKERNEL_SecurityExecute( |
| IN gckKERNEL Kernel, |
| IN gctPOINTER Buffer, |
| IN gctUINT32 Bytes |
| ) |
| { |
| gceSTATUS status; |
| #if defined(LINUX) |
| gctPHYS_ADDR_T physical; |
| gctUINT32 address; |
| #endif |
| gcsTA_INTERFACE iface; |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_EXECUTE; |
| iface.u.Execute.command_buffer = (gctUINT32 *)Buffer; |
| iface.u.Execute.gpu = Kernel->core; |
| iface.u.Execute.command_buffer_length = Bytes; |
| |
| #if defined(LINUX) |
| gcmkONERROR(gckOS_GetPhysicalAddress(Kernel->os, Buffer, &physical)); |
| gcmkVERIFY_OK(gckOS_CPUPhysicalToGPUPhysical(Kernel->os, physical, &physical)); |
| gcmkSAFECASTPHYSADDRT(address, physical); |
| |
| iface.u.Execute.command_buffer = (gctUINT32 *)address; |
| #endif |
| |
| gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface)); |
| |
| /* Update queue tail pointer. */ |
| gcmkONERROR(gckHARDWARE_UpdateQueueTail( |
| Kernel->hardware, 0, 0 |
| )); |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| gceSTATUS |
| gckKERNEL_SecurityMapMemory( |
| IN gckKERNEL Kernel, |
| IN gctUINT32 *PhysicalArray, |
| IN gctUINT32 PageCount, |
| OUT gctUINT32 * GPUAddress |
| ) |
| { |
| gceSTATUS status; |
| gcsTA_INTERFACE iface; |
| #if defined(LINUX) |
| gctPHYS_ADDR_T physical; |
| gctUINT32 address; |
| #endif |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_MAP_MEMORY; |
| |
| #if defined(LINUX) |
| gcmkONERROR(gckOS_GetPhysicalAddress(Kernel->os, PhysicalArray, &physical)); |
| gcmkVERIFY_OK(gckOS_CPUPhysicalToGPUPhysical(Kernel->os, physical, &physical)); |
| gcmkSAFECASTPHYSADDRT(address, physical); |
| iface.u.MapMemory.physicals = (gctUINT32 *)address; |
| #endif |
| |
| iface.u.MapMemory.pageCount = PageCount; |
| |
| gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface)); |
| |
| *GPUAddress = iface.u.MapMemory.gpuAddress; |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| gceSTATUS |
| gckKERNEL_SecurityUnmapMemory( |
| IN gckKERNEL Kernel, |
| IN gctUINT32 GPUAddress, |
| IN gctUINT32 PageCount |
| ) |
| { |
| gceSTATUS status; |
| gcsTA_INTERFACE iface; |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_UNMAP_MEMORY; |
| |
| iface.u.UnmapMemory.gpuAddress = GPUAddress; |
| iface.u.UnmapMemory.pageCount = PageCount; |
| |
| gcmkONERROR(gckKERNEL_SecurityCallService(Kernel->securityChannel, &iface)); |
| |
| gcmkFOOTER_NO(); |
| return gcvSTATUS_OK; |
| |
| OnError: |
| gcmkFOOTER(); |
| return status; |
| } |
| |
| #endif |