linux/drivers/gpu/drm/amd/amdgpu/psp_gfx_if.h
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   1/*
   2 * Copyright 2017 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23
  24#ifndef _PSP_TEE_GFX_IF_H_
  25#define _PSP_TEE_GFX_IF_H_
  26
  27#define PSP_GFX_CMD_BUF_VERSION     0x00000001
  28
  29#define GFX_CMD_STATUS_MASK         0x0000FFFF
  30#define GFX_CMD_ID_MASK             0x000F0000
  31#define GFX_CMD_RESERVED_MASK       0x7FF00000
  32#define GFX_CMD_RESPONSE_MASK       0x80000000
  33
  34/* USBC PD FW version retrieval command */
  35#define C2PMSG_CMD_GFX_USB_PD_FW_VER 0x2000000
  36
  37/* TEE Gfx Command IDs for the register interface.
  38*  Command ID must be between 0x00010000 and 0x000F0000.
  39*/
  40enum psp_gfx_crtl_cmd_id
  41{
  42    GFX_CTRL_CMD_ID_INIT_RBI_RING   = 0x00010000,   /* initialize RBI ring */
  43    GFX_CTRL_CMD_ID_INIT_GPCOM_RING = 0x00020000,   /* initialize GPCOM ring */
  44    GFX_CTRL_CMD_ID_DESTROY_RINGS   = 0x00030000,   /* destroy rings */
  45    GFX_CTRL_CMD_ID_CAN_INIT_RINGS  = 0x00040000,   /* is it allowed to initialized the rings */
  46    GFX_CTRL_CMD_ID_ENABLE_INT      = 0x00050000,   /* enable PSP-to-Gfx interrupt */
  47    GFX_CTRL_CMD_ID_DISABLE_INT     = 0x00060000,   /* disable PSP-to-Gfx interrupt */
  48    GFX_CTRL_CMD_ID_MODE1_RST       = 0x00070000,   /* trigger the Mode 1 reset */
  49    GFX_CTRL_CMD_ID_GBR_IH_SET      = 0x00080000,   /* set Gbr IH_RB_CNTL registers */
  50    GFX_CTRL_CMD_ID_CONSUME_CMD     = 0x00090000,   /* send interrupt to psp for updating write pointer of vf */
  51    GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING = 0x000C0000, /* destroy GPCOM ring */
  52
  53    GFX_CTRL_CMD_ID_MAX             = 0x000F0000,   /* max command ID */
  54};
  55
  56
  57/*-----------------------------------------------------------------------------
  58    NOTE:   All physical addresses used in this interface are actually
  59            GPU Virtual Addresses.
  60*/
  61
  62
  63/* Control registers of the TEE Gfx interface. These are located in
  64*  SRBM-to-PSP mailbox registers (total 8 registers).
  65*/
  66struct psp_gfx_ctrl
  67{
  68    volatile uint32_t   cmd_resp;         /* +0   Command/Response register for Gfx commands */
  69    volatile uint32_t   rbi_wptr;         /* +4   Write pointer (index) of RBI ring */
  70    volatile uint32_t   rbi_rptr;         /* +8   Read pointer (index) of RBI ring */
  71    volatile uint32_t   gpcom_wptr;       /* +12  Write pointer (index) of GPCOM ring */
  72    volatile uint32_t   gpcom_rptr;       /* +16  Read pointer (index) of GPCOM ring */
  73    volatile uint32_t   ring_addr_lo;     /* +20  bits [31:0] of GPU Virtual of ring buffer (VMID=0)*/
  74    volatile uint32_t   ring_addr_hi;     /* +24  bits [63:32] of GPU Virtual of ring buffer (VMID=0) */
  75    volatile uint32_t   ring_buf_size;    /* +28  Ring buffer size (in bytes) */
  76
  77};
  78
  79
  80/* Response flag is set in the command when command is completed by PSP.
  81*  Used in the GFX_CTRL.CmdResp.
  82*  When PSP GFX I/F is initialized, the flag is set.
  83*/
  84#define GFX_FLAG_RESPONSE               0x80000000
  85
  86/* TEE Gfx Command IDs for the ring buffer interface. */
  87enum psp_gfx_cmd_id
  88{
  89    GFX_CMD_ID_LOAD_TA            = 0x00000001,   /* load TA */
  90    GFX_CMD_ID_UNLOAD_TA          = 0x00000002,   /* unload TA */
  91    GFX_CMD_ID_INVOKE_CMD         = 0x00000003,   /* send command to TA */
  92    GFX_CMD_ID_LOAD_ASD           = 0x00000004,   /* load ASD Driver */
  93    GFX_CMD_ID_SETUP_TMR          = 0x00000005,   /* setup TMR region */
  94    GFX_CMD_ID_LOAD_IP_FW         = 0x00000006,   /* load HW IP FW */
  95    GFX_CMD_ID_DESTROY_TMR        = 0x00000007,   /* destroy TMR region */
  96    GFX_CMD_ID_SAVE_RESTORE       = 0x00000008,   /* save/restore HW IP FW */
  97    GFX_CMD_ID_SETUP_VMR          = 0x00000009,   /* setup VMR region */
  98    GFX_CMD_ID_DESTROY_VMR        = 0x0000000A,   /* destroy VMR region */
  99    GFX_CMD_ID_PROG_REG           = 0x0000000B,   /* program regs */
 100    GFX_CMD_ID_GET_FW_ATTESTATION = 0x0000000F,   /* Query GPUVA of the Fw Attestation DB */
 101    /* IDs upto 0x1F are reserved for older programs (Raven, Vega 10/12/20) */
 102    GFX_CMD_ID_LOAD_TOC           = 0x00000020,   /* Load TOC and obtain TMR size */
 103    GFX_CMD_ID_AUTOLOAD_RLC       = 0x00000021,   /* Indicates all graphics fw loaded, start RLC autoload */
 104    GFX_CMD_ID_BOOT_CFG           = 0x00000022,   /* Boot Config */
 105};
 106
 107/* PSP boot config sub-commands */
 108enum psp_gfx_boot_config_cmd
 109{
 110    BOOTCFG_CMD_SET         = 1, /* Set boot configuration settings */
 111    BOOTCFG_CMD_GET         = 2, /* Get boot configuration settings */
 112    BOOTCFG_CMD_INVALIDATE  = 3  /* Reset current boot configuration settings to VBIOS defaults */
 113};
 114
 115/* PSP boot config bitmask values */
 116enum psp_gfx_boot_config
 117{
 118    BOOT_CONFIG_GECC = 0x1,
 119};
 120
 121/* Command to load Trusted Application binary into PSP OS. */
 122struct psp_gfx_cmd_load_ta
 123{
 124    uint32_t        app_phy_addr_lo;        /* bits [31:0] of the GPU Virtual address of the TA binary (must be 4 KB aligned) */
 125    uint32_t        app_phy_addr_hi;        /* bits [63:32] of the GPU Virtual address of the TA binary */
 126    uint32_t        app_len;                /* length of the TA binary in bytes */
 127    uint32_t        cmd_buf_phy_addr_lo;    /* bits [31:0] of the GPU Virtual address of CMD buffer (must be 4 KB aligned) */
 128    uint32_t        cmd_buf_phy_addr_hi;    /* bits [63:32] of the GPU Virtual address of CMD buffer */
 129    uint32_t        cmd_buf_len;            /* length of the CMD buffer in bytes; must be multiple of 4 KB */
 130
 131    /* Note: CmdBufLen can be set to 0. In this case no persistent CMD buffer is provided
 132    *       for the TA. Each InvokeCommand can have dinamically mapped CMD buffer instead
 133    *       of using global persistent buffer.
 134    */
 135};
 136
 137
 138/* Command to Unload Trusted Application binary from PSP OS. */
 139struct psp_gfx_cmd_unload_ta
 140{
 141    uint32_t        session_id;          /* Session ID of the loaded TA to be unloaded */
 142
 143};
 144
 145
 146/* Shared buffers for InvokeCommand.
 147*/
 148struct psp_gfx_buf_desc
 149{
 150    uint32_t        buf_phy_addr_lo;       /* bits [31:0] of GPU Virtual address of the buffer (must be 4 KB aligned) */
 151    uint32_t        buf_phy_addr_hi;       /* bits [63:32] of GPU Virtual address of the buffer */
 152    uint32_t        buf_size;              /* buffer size in bytes (must be multiple of 4 KB and no bigger than 64 MB) */
 153
 154};
 155
 156/* Max number of descriptors for one shared buffer (in how many different
 157*  physical locations one shared buffer can be stored). If buffer is too much
 158*  fragmented, error will be returned.
 159*/
 160#define GFX_BUF_MAX_DESC        64
 161
 162struct psp_gfx_buf_list
 163{
 164    uint32_t                num_desc;                    /* number of buffer descriptors in the list */
 165    uint32_t                total_size;                  /* total size of all buffers in the list in bytes (must be multiple of 4 KB) */
 166    struct psp_gfx_buf_desc buf_desc[GFX_BUF_MAX_DESC];  /* list of buffer descriptors */
 167
 168    /* total 776 bytes */
 169};
 170
 171/* Command to execute InvokeCommand entry point of the TA. */
 172struct psp_gfx_cmd_invoke_cmd
 173{
 174    uint32_t                session_id;           /* Session ID of the TA to be executed */
 175    uint32_t                ta_cmd_id;            /* Command ID to be sent to TA */
 176    struct psp_gfx_buf_list buf;                  /* one indirect buffer (scatter/gather list) */
 177
 178};
 179
 180
 181/* Command to setup TMR region. */
 182struct psp_gfx_cmd_setup_tmr
 183{
 184    uint32_t        buf_phy_addr_lo;       /* bits [31:0] of GPU Virtual address of TMR buffer (must be 4 KB aligned) */
 185    uint32_t        buf_phy_addr_hi;       /* bits [63:32] of GPU Virtual address of TMR buffer */
 186    uint32_t        buf_size;              /* buffer size in bytes (must be multiple of 4 KB) */
 187    union {
 188        struct {
 189                uint32_t        sriov_enabled:1; /* whether the device runs under SR-IOV*/
 190                uint32_t        virt_phy_addr:1; /* driver passes both virtual and physical address to PSP*/
 191                uint32_t        reserved:30;
 192        } bitfield;
 193        uint32_t        tmr_flags;
 194    };
 195    uint32_t        system_phy_addr_lo;        /* bits [31:0] of system physical address of TMR buffer (must be 4 KB aligned) */
 196    uint32_t        system_phy_addr_hi;        /* bits [63:32] of system physical address of TMR buffer */
 197
 198};
 199
 200/* FW types for GFX_CMD_ID_LOAD_IP_FW command. Limit 31. */
 201enum psp_gfx_fw_type {
 202        GFX_FW_TYPE_NONE        = 0,    /* */
 203        GFX_FW_TYPE_CP_ME       = 1,    /* CP-ME                    VG + RV */
 204        GFX_FW_TYPE_CP_PFP      = 2,    /* CP-PFP                   VG + RV */
 205        GFX_FW_TYPE_CP_CE       = 3,    /* CP-CE                    VG + RV */
 206        GFX_FW_TYPE_CP_MEC      = 4,    /* CP-MEC FW                VG + RV */
 207        GFX_FW_TYPE_CP_MEC_ME1  = 5,    /* CP-MEC Jump Table 1      VG + RV */
 208        GFX_FW_TYPE_CP_MEC_ME2  = 6,    /* CP-MEC Jump Table 2      VG      */
 209        GFX_FW_TYPE_RLC_V       = 7,    /* RLC-V                    VG      */
 210        GFX_FW_TYPE_RLC_G       = 8,    /* RLC-G                    VG + RV */
 211        GFX_FW_TYPE_SDMA0       = 9,    /* SDMA0                    VG + RV */
 212        GFX_FW_TYPE_SDMA1       = 10,   /* SDMA1                    VG      */
 213        GFX_FW_TYPE_DMCU_ERAM   = 11,   /* DMCU-ERAM                VG + RV */
 214        GFX_FW_TYPE_DMCU_ISR    = 12,   /* DMCU-ISR                 VG + RV */
 215        GFX_FW_TYPE_VCN         = 13,   /* VCN                           RV */
 216        GFX_FW_TYPE_UVD         = 14,   /* UVD                      VG      */
 217        GFX_FW_TYPE_VCE         = 15,   /* VCE                      VG      */
 218        GFX_FW_TYPE_ISP         = 16,   /* ISP                           RV */
 219        GFX_FW_TYPE_ACP         = 17,   /* ACP                           RV */
 220        GFX_FW_TYPE_SMU         = 18,   /* SMU                      VG      */
 221        GFX_FW_TYPE_MMSCH       = 19,   /* MMSCH                    VG      */
 222        GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM        = 20,   /* RLC GPM                  VG + RV */
 223        GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM        = 21,   /* RLC SRM                  VG + RV */
 224        GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL       = 22,   /* RLC CNTL                 VG + RV */
 225        GFX_FW_TYPE_UVD1        = 23,   /* UVD1                     VG-20   */
 226        GFX_FW_TYPE_TOC         = 24,   /* TOC                      NV-10   */
 227        GFX_FW_TYPE_RLC_P                           = 25,   /* RLC P                    NV      */
 228        GFX_FW_TYPE_RLC_IRAM                        = 26,   /* RLC_IRAM                 NV      */
 229        GFX_FW_TYPE_GLOBAL_TAP_DELAYS               = 27,   /* GLOBAL TAP DELAYS        NV      */
 230        GFX_FW_TYPE_SE0_TAP_DELAYS                  = 28,   /* SE0 TAP DELAYS           NV      */
 231        GFX_FW_TYPE_SE1_TAP_DELAYS                  = 29,   /* SE1 TAP DELAYS           NV      */
 232        GFX_FW_TYPE_GLOBAL_SE0_SE1_SKEW_DELAYS      = 30,   /* GLOBAL SE0/1 SKEW DELAYS NV      */
 233        GFX_FW_TYPE_SDMA0_JT                        = 31,   /* SDMA0 JT                 NV      */
 234        GFX_FW_TYPE_SDMA1_JT                        = 32,   /* SDNA1 JT                 NV      */
 235        GFX_FW_TYPE_CP_MES                          = 33,   /* CP MES                   NV      */
 236        GFX_FW_TYPE_MES_STACK                       = 34,   /* MES STACK                NV      */
 237        GFX_FW_TYPE_RLC_SRM_DRAM_SR                 = 35,   /* RLC SRM DRAM             NV      */
 238        GFX_FW_TYPE_RLCG_SCRATCH_SR                 = 36,   /* RLCG SCRATCH             NV      */
 239        GFX_FW_TYPE_RLCP_SCRATCH_SR                 = 37,   /* RLCP SCRATCH             NV      */
 240        GFX_FW_TYPE_RLCV_SCRATCH_SR                 = 38,   /* RLCV SCRATCH             NV      */
 241        GFX_FW_TYPE_RLX6_DRAM_SR                    = 39,   /* RLX6 DRAM                NV      */
 242        GFX_FW_TYPE_SDMA0_PG_CONTEXT                = 40,   /* SDMA0 PG CONTEXT         NV      */
 243        GFX_FW_TYPE_SDMA1_PG_CONTEXT                = 41,   /* SDMA1 PG CONTEXT         NV      */
 244        GFX_FW_TYPE_GLOBAL_MUX_SELECT_RAM           = 42,   /* GLOBAL MUX SEL RAM       NV      */
 245        GFX_FW_TYPE_SE0_MUX_SELECT_RAM              = 43,   /* SE0 MUX SEL RAM          NV      */
 246        GFX_FW_TYPE_SE1_MUX_SELECT_RAM              = 44,   /* SE1 MUX SEL RAM          NV      */
 247        GFX_FW_TYPE_ACCUM_CTRL_RAM                  = 45,   /* ACCUM CTRL RAM           NV      */
 248        GFX_FW_TYPE_RLCP_CAM                        = 46,   /* RLCP CAM                 NV      */
 249        GFX_FW_TYPE_RLC_SPP_CAM_EXT                 = 47,   /* RLC SPP CAM EXT          NV      */
 250        GFX_FW_TYPE_RLC_DRAM_BOOT                   = 48,   /* RLC DRAM BOOT            NV      */
 251        GFX_FW_TYPE_VCN0_RAM                        = 49,   /* VCN_RAM                  NV + RN */
 252        GFX_FW_TYPE_VCN1_RAM                        = 50,   /* VCN_RAM                  NV + RN */
 253        GFX_FW_TYPE_DMUB                            = 51,   /* DMUB                          RN */
 254        GFX_FW_TYPE_SDMA2                           = 52,   /* SDMA2                    MI      */
 255        GFX_FW_TYPE_SDMA3                           = 53,   /* SDMA3                    MI      */
 256        GFX_FW_TYPE_SDMA4                           = 54,   /* SDMA4                    MI      */
 257        GFX_FW_TYPE_SDMA5                           = 55,   /* SDMA5                    MI      */
 258        GFX_FW_TYPE_SDMA6                           = 56,   /* SDMA6                    MI      */
 259        GFX_FW_TYPE_SDMA7                           = 57,   /* SDMA7                    MI      */
 260        GFX_FW_TYPE_VCN1                            = 58,   /* VCN1                     MI      */
 261        GFX_FW_TYPE_REG_LIST                        = 67,   /* REG_LIST                 MI      */
 262        GFX_FW_TYPE_MAX
 263};
 264
 265/* Command to load HW IP FW. */
 266struct psp_gfx_cmd_load_ip_fw
 267{
 268    uint32_t                fw_phy_addr_lo;    /* bits [31:0] of GPU Virtual address of FW location (must be 4 KB aligned) */
 269    uint32_t                fw_phy_addr_hi;    /* bits [63:32] of GPU Virtual address of FW location */
 270    uint32_t                fw_size;           /* FW buffer size in bytes */
 271    enum psp_gfx_fw_type    fw_type;           /* FW type */
 272
 273};
 274
 275/* Command to save/restore HW IP FW. */
 276struct psp_gfx_cmd_save_restore_ip_fw
 277{
 278    uint32_t                save_fw;              /* if set, command is used for saving fw otherwise for resetoring*/
 279    uint32_t                save_restore_addr_lo; /* bits [31:0] of FB address of GART memory used as save/restore buffer (must be 4 KB aligned) */
 280    uint32_t                save_restore_addr_hi; /* bits [63:32] of FB address of GART memory used as save/restore buffer */
 281    uint32_t                buf_size;             /* Size of the save/restore buffer in bytes */
 282    enum psp_gfx_fw_type    fw_type;              /* FW type */
 283};
 284
 285/* Command to setup register program */
 286struct psp_gfx_cmd_reg_prog {
 287        uint32_t        reg_value;
 288        uint32_t        reg_id;
 289};
 290
 291/* Command to load TOC */
 292struct psp_gfx_cmd_load_toc
 293{
 294    uint32_t        toc_phy_addr_lo;        /* bits [31:0] of GPU Virtual address of FW location (must be 4 KB aligned) */
 295    uint32_t        toc_phy_addr_hi;        /* bits [63:32] of GPU Virtual address of FW location */
 296    uint32_t        toc_size;               /* FW buffer size in bytes */
 297};
 298
 299/* Dynamic boot configuration */
 300struct psp_gfx_cmd_boot_cfg
 301{
 302    uint32_t                        timestamp;            /* calendar time as number of seconds */
 303    enum psp_gfx_boot_config_cmd    sub_cmd;              /* sub-command indicating how to process command data */
 304    uint32_t                        boot_config;          /* dynamic boot configuration bitmask */
 305    uint32_t                        boot_config_valid;    /* dynamic boot configuration valid bits bitmask */
 306};
 307
 308/* All GFX ring buffer commands. */
 309union psp_gfx_commands
 310{
 311    struct psp_gfx_cmd_load_ta          cmd_load_ta;
 312    struct psp_gfx_cmd_unload_ta        cmd_unload_ta;
 313    struct psp_gfx_cmd_invoke_cmd       cmd_invoke_cmd;
 314    struct psp_gfx_cmd_setup_tmr        cmd_setup_tmr;
 315    struct psp_gfx_cmd_load_ip_fw       cmd_load_ip_fw;
 316    struct psp_gfx_cmd_save_restore_ip_fw cmd_save_restore_ip_fw;
 317    struct psp_gfx_cmd_reg_prog       cmd_setup_reg_prog;
 318    struct psp_gfx_cmd_setup_tmr        cmd_setup_vmr;
 319    struct psp_gfx_cmd_load_toc         cmd_load_toc;
 320    struct psp_gfx_cmd_boot_cfg         boot_cfg;
 321};
 322
 323struct psp_gfx_uresp_reserved
 324{
 325    uint32_t reserved[8];
 326};
 327
 328/* Command-specific response for Fw Attestation Db */
 329struct psp_gfx_uresp_fwar_db_info
 330{
 331    uint32_t fwar_db_addr_lo;
 332    uint32_t fwar_db_addr_hi;
 333};
 334
 335/* Command-specific response for boot config. */
 336struct psp_gfx_uresp_bootcfg {
 337        uint32_t boot_cfg;      /* boot config data */
 338};
 339
 340/* Union of command-specific responses for GPCOM ring. */
 341union psp_gfx_uresp {
 342        struct psp_gfx_uresp_reserved           reserved;
 343        struct psp_gfx_uresp_bootcfg            boot_cfg;
 344        struct psp_gfx_uresp_fwar_db_info       fwar_db_info;
 345};
 346
 347/* Structure of GFX Response buffer.
 348* For GPCOM I/F it is part of GFX_CMD_RESP buffer, for RBI
 349* it is separate buffer.
 350*/
 351struct psp_gfx_resp
 352{
 353    uint32_t    status;         /* +0  status of command execution */
 354    uint32_t    session_id;     /* +4  session ID in response to LoadTa command */
 355    uint32_t    fw_addr_lo;     /* +8  bits [31:0] of FW address within TMR (in response to cmd_load_ip_fw command) */
 356    uint32_t    fw_addr_hi;     /* +12 bits [63:32] of FW address within TMR (in response to cmd_load_ip_fw command) */
 357    uint32_t    tmr_size;       /* +16 size of the TMR to be reserved including MM fw and Gfx fw in response to cmd_load_toc command */
 358
 359    uint32_t    reserved[11];
 360
 361    union psp_gfx_uresp uresp;      /* +64 response union containing command-specific responses */
 362
 363    /* total 96 bytes */
 364};
 365
 366/* Structure of Command buffer pointed by psp_gfx_rb_frame.cmd_buf_addr_hi
 367*  and psp_gfx_rb_frame.cmd_buf_addr_lo.
 368*/
 369struct psp_gfx_cmd_resp
 370{
 371    uint32_t        buf_size;           /* +0  total size of the buffer in bytes */
 372    uint32_t        buf_version;        /* +4  version of the buffer strusture; must be PSP_GFX_CMD_BUF_VERSION */
 373    uint32_t        cmd_id;             /* +8  command ID */
 374
 375    /* These fields are used for RBI only. They are all 0 in GPCOM commands
 376    */
 377    uint32_t        resp_buf_addr_lo;   /* +12 bits [31:0] of GPU Virtual address of response buffer (must be 4 KB aligned) */
 378    uint32_t        resp_buf_addr_hi;   /* +16 bits [63:32] of GPU Virtual address of response buffer */
 379    uint32_t        resp_offset;        /* +20 offset within response buffer */
 380    uint32_t        resp_buf_size;      /* +24 total size of the response buffer in bytes */
 381
 382    union psp_gfx_commands  cmd;        /* +28 command specific structures */
 383
 384    uint8_t         reserved_1[864 - sizeof(union psp_gfx_commands) - 28];
 385
 386    /* Note: Resp is part of this buffer for GPCOM ring. For RBI ring the response
 387    *        is separate buffer pointed by resp_buf_addr_hi and resp_buf_addr_lo.
 388    */
 389    struct psp_gfx_resp     resp;       /* +864 response */
 390
 391    uint8_t         reserved_2[1024 - 864 - sizeof(struct psp_gfx_resp)];
 392
 393    /* total size 1024 bytes */
 394};
 395
 396
 397#define FRAME_TYPE_DESTROY          1   /* frame sent by KMD driver when UMD Scheduler context is destroyed*/
 398
 399/* Structure of the Ring Buffer Frame */
 400struct psp_gfx_rb_frame
 401{
 402    uint32_t    cmd_buf_addr_lo;    /* +0  bits [31:0] of GPU Virtual address of command buffer (must be 4 KB aligned) */
 403    uint32_t    cmd_buf_addr_hi;    /* +4  bits [63:32] of GPU Virtual address of command buffer */
 404    uint32_t    cmd_buf_size;       /* +8  command buffer size in bytes */
 405    uint32_t    fence_addr_lo;      /* +12 bits [31:0] of GPU Virtual address of Fence for this frame */
 406    uint32_t    fence_addr_hi;      /* +16 bits [63:32] of GPU Virtual address of Fence for this frame */
 407    uint32_t    fence_value;        /* +20 Fence value */
 408    uint32_t    sid_lo;             /* +24 bits [31:0] of SID value (used only for RBI frames) */
 409    uint32_t    sid_hi;             /* +28 bits [63:32] of SID value (used only for RBI frames) */
 410    uint8_t     vmid;               /* +32 VMID value used for mapping of all addresses for this frame */
 411    uint8_t     frame_type;         /* +33 1: destory context frame, 0: all other frames; used only for RBI frames */
 412    uint8_t     reserved1[2];       /* +34 reserved, must be 0 */
 413    uint32_t    reserved2[7];       /* +36 reserved, must be 0 */
 414                /* total 64 bytes */
 415};
 416
 417#define PSP_ERR_UNKNOWN_COMMAND 0x00000100
 418
 419enum tee_error_code {
 420    TEE_SUCCESS                         = 0x00000000,
 421    TEE_ERROR_NOT_SUPPORTED             = 0xFFFF000A,
 422};
 423
 424#endif /* _PSP_TEE_GFX_IF_H_ */
 425