| /**************************************************************************** |
| * |
| * Copyright (C) 2005 - 2014 by Vivante Corp. |
| * |
| * 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., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| *****************************************************************************/ |
| |
| |
| #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; |
| 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, |
| (gctUINT32 *)&iface.u.Execute.command_buffer)); |
| #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; |
| |
| gcmkHEADER(); |
| |
| iface.command = KERNEL_MAP_MEMORY; |
| |
| #if defined(LINUX) |
| gcmkONERROR(gckOS_GetPhysicalAddress(Kernel->os, PhysicalArray, |
| (gctUINT32 *)&iface.u.MapMemory.physicals)); |
| #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 |