[V3 06/11] drm/amdgpu/virt: implement VI virt operation interfaces

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> > We will discuss it tomorrow, I'm not sure of your approach right now
> >
> > We can stop running driver right after IDH_FLR_NOTIFICATION received
> > and continue driver right after IDH_FLR_NOTIFICATION_CMPL

If missing the interrupt, I think we can't easy to handle the error. That what i want to avoid it.

> 
> > -----Original Message-----
> > From: Yu, Xiangliang
> > Sent: Wednesday, January 11, 2017 10:43 PM
> > To: Liu, Monk <Monk.Liu at amd.com>; amd-gfx at lists.freedesktop.org
> > Cc: Liu, Shaoyun <Shaoyun.Liu at amd.com>
> > Subject: RE: [V3 06/11] drm/amdgpu/virt: implement VI virt operation
> > interfaces
> >
> > > -----Original Message-----
> > > From: Liu, Monk
> > > Sent: Wednesday, January 11, 2017 10:28 PM
> > > To: Yu, Xiangliang <Xiangliang.Yu at amd.com>; amd-
> > > gfx at lists.freedesktop.org
> > > Cc: Yu, Xiangliang <Xiangliang.Yu at amd.com>; Liu, Shaoyun
> > > <Shaoyun.Liu at amd.com>
> > > Subject: RE: [V3 06/11] drm/amdgpu/virt: implement VI virt operation
> > > interfaces
> > >
> > > +static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev,
> > > +				   struct amdgpu_irq_src *source,
> > > +				   struct amdgpu_iv_entry *entry) {
> > > +	int r;
> > > +
> > > +	adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
> > > +	r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION);
> > > +	/* do nothing for other msg */
> > > +	if (r)
> > > +		return 0;
> > > +
> > > +	/* TODO: need to save gfx states */
> > > +	schedule_delayed_work(&adev->virt.flr_work,
> > > +			      msecs_to_jiffies(VI_MAILBOX_RESET_TIME));
> > > +
> > > +	return 0;
> > > +}
> > >
> > > [ML] we should be able to receive at least two type of IRQ from mailbox:
> > > One is FLR_NOTIFICATION and another one is
> > IDH_FLR_NOTIFICATION_CMPL,
> > >
> > > The previous one means GIM told us GIM will start do FLR The later
> > > one means GIM told us GIM already finished FLR and from that on
> > > Guest driver can do re-initialize .
> > >
> > > You only handle the first IRQ, and dispatch a delay_work to monitor
> > > event of IDH_FLR_NOTIFICATION_CMPL,
> > >
> > > I suspect that correct scheme may be you handle both of those two
> > > type of IRQ , please check with @Frank and me on the detail tomorrow .
> >
> > As I think we may suspend gpu after receive FLR interrupt, polling
> > method is safer.
> >
> > >
> > > BR Monk
> > >
> > > -----Original Message-----
> > > From: Xiangliang Yu [mailto:Xiangliang.Yu at amd.com]
> > > Sent: Wednesday, January 11, 2017 9:18 PM
> > > To: amd-gfx at lists.freedesktop.org
> > > Cc: Yu, Xiangliang <Xiangliang.Yu at amd.com>; Liu, Monk
> > > <Monk.Liu at amd.com>; Liu, Shaoyun <Shaoyun.Liu at amd.com>
> > > Subject: [V3 06/11] drm/amdgpu/virt: implement VI virt operation
> > > interfaces
> > >
> > > VI has asic specific virt support, which including mailbox and
> > > golden registers init.
> > >
> > > Signed-off-by: Xiangliang Yu <Xiangliang.Yu at amd.com>
> > > Signed-off-by: Monk Liu <Monk.Liu at amd.com>
> > > Signed-off-by: shaoyunl <Shaoyun.Liu at amd.com>
> > > ---
> > >  drivers/gpu/drm/amd/amdgpu/Makefile      |   2 +-
> > >  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h |   9 +-
> > >  drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c    | 592
> > > +++++++++++++++++++++++++++++++
> > >  drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h    |  55 +++
> > >  4 files changed, 654 insertions(+), 4 deletions(-)  create mode
> > > 100644 drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
> > >  create mode 100644 drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
> > > b/drivers/gpu/drm/amd/amdgpu/Makefile
> > > index 0b8e470..388e7b0 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> > > +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> > > @@ -40,7 +40,7 @@ amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o
> > cik_ih.o
> > > kv_smc.o kv_dpm.o \  amdgpu-$(CONFIG_DRM_AMDGPU_SI)+= si.o
> > gmc_v6_0.o
> > > gfx_v6_0.o si_ih.o si_dma.o dce_v6_0.o si_dpm.o si_smc.o
> > >
> > >  amdgpu-y += \
> > > -	vi.o
> > > +	vi.o mxgpu_vi.o
> > >
> > >  # add GMC block
> > >  amdgpu-y += \
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
> > > b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
> > > index 45771b0..a409eec 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
> > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
> > > @@ -41,9 +41,12 @@ struct amdgpu_virt_ops {
> > >
> > >  /* GPU virtualization */
> > >  struct amdgpu_virt {
> > > -	uint32_t		caps;
> > > -	uint32_t		reg_val_offs;
> > > -	struct mutex		lock;
> > > +	uint32_t			caps;
> > > +	uint32_t			reg_val_offs;
> > > +	struct mutex			lock;
> > > +	struct amdgpu_irq_src		ack_irq;
> > > +	struct amdgpu_irq_src		rcv_irq;
> > > +	struct delayed_work		flr_work;
> > >  	const struct amdgpu_virt_ops	*ops;
> > >  };
> > >
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
> > > b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
> > > new file mode 100644
> > > index 0000000..d2622b6
> > > --- /dev/null
> > > +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.c
> > > @@ -0,0 +1,592 @@
> > > +/*
> > > + * Copyright 2017 Advanced Micro Devices, Inc.
> > > + *
> > > + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
> > > + *
> > > + * Authors: Xiangliang.Yu at amd.com
> > > + */
> > > +
> > > +#include "amdgpu.h"
> > > +#include "vi.h"
> > > +#include "bif/bif_5_0_d.h"
> > > +#include "bif/bif_5_0_sh_mask.h"
> > > +#include "vid.h"
> > > +#include "gca/gfx_8_0_d.h"
> > > +#include "gca/gfx_8_0_sh_mask.h"
> > > +#include "gmc_v8_0.h"
> > > +#include "gfx_v8_0.h"
> > > +#include "sdma_v3_0.h"
> > > +#include "tonga_ih.h"
> > > +#include "gmc/gmc_8_2_d.h"
> > > +#include "gmc/gmc_8_2_sh_mask.h"
> > > +#include "oss/oss_3_0_d.h"
> > > +#include "oss/oss_3_0_sh_mask.h"
> > > +#include "gca/gfx_8_0_sh_mask.h"
> > > +#include "dce/dce_10_0_d.h"
> > > +#include "dce/dce_10_0_sh_mask.h"
> > > +#include "smu/smu_7_1_3_d.h"
> > > +#include "mxgpu_vi.h"
> > > +
> > > +/* VI golden setting */
> > > +static const u32 xgpu_fiji_mgcg_cgcg_init[] = {
> > > +	mmRLC_CGTT_MGCG_OVERRIDE, 0xffffffff, 0xffffffff,
> > > +	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
> > > +	mmCB_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_BCI_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_CP_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_CPC_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_CPF_CLK_CTRL, 0xffffffff, 0x40000100,
> > > +	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
> > > +	mmCGTT_GDS_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_IA_CLK_CTRL, 0xffffffff, 0x06000100,
> > > +	mmCGTT_PA_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_WD_CLK_CTRL, 0xffffffff, 0x06000100,
> > > +	mmCGTT_PC_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_RLC_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SC_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SPI_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SQ_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SQG_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL0, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL1, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL2, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL3, 0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL4, 0xffffffff, 0x00000100,
> > > +	mmCGTT_TCI_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_TCP_CLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmCGTT_VGT_CLK_CTRL, 0xffffffff, 0x06000100,
> > > +	mmDB_CGTT_CLK_CTRL_0, 0xffffffff, 0x00000100,
> > > +	mmTA_CGTT_CTRL, 0xffffffff, 0x00000100,
> > > +	mmTCA_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmTCC_CGTT_SCLK_CTRL, 0xffffffff, 0x00000100,
> > > +	mmTD_CGTT_CTRL, 0xffffffff, 0x00000100,
> > > +	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
> > > +	mmCGTS_SM_CTRL_REG, 0xffffffff, 0x96e00200,
> > > +	mmCP_RB_WPTR_POLL_CNTL, 0xffffffff, 0x00900100,
> > > +	mmRLC_CGCG_CGLS_CTRL, 0xffffffff, 0x0020003c,
> > > +	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
> > > +	mmPCIE_DATA, 0x000f0000, 0x00000000,
> > > +	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
> > > +	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
> > > +	mmXDMA_CLOCK_GATING_CNTL, 0xffffffff, 0x00000100,
> > > +	mmXDMA_MEM_POWER_CNTL, 0x00000101, 0x00000000,
> > > +	mmMC_MEM_POWER_LS, 0xffffffff, 0x00000104,
> > > +	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
> > > +	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
> > > +	mmCP_MEM_SLP_CNTL, 0x00000001, 0x00000001,
> > > +	mmSDMA0_CLK_CTRL, 0xff000ff0, 0x00000100,
> > > +	mmSDMA1_CLK_CTRL, 0xff000ff0, 0x00000100, };
> > > +
> > > +static const u32 xgpu_fiji_golden_settings_a10[] = {
> > > +	mmCB_HW_CONTROL_3, 0x000001ff, 0x00000040,
> > > +	mmDB_DEBUG2, 0xf00fffff, 0x00000400,
> > > +	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
> > > +	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
> > > +	mmFBC_MISC, 0x1f311fff, 0x12300000,
> > > +	mmHDMI_CONTROL, 0x31000111, 0x00000011,
> > > +	mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
> > > +	mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
> > > +	mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
> > > +	mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
> > > +	mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
> > > +	mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
> > > +	mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
> > > +	mmTCP_ADDR_CONFIG, 0x000003ff, 0x000000ff,
> > > +	mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
> > > +	mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, };
> > > +
> > > +static const u32 xgpu_fiji_golden_common_all[] = {
> > > +	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
> > > +	mmPA_SC_RASTER_CONFIG, 0xffffffff, 0x3a00161a,
> > > +	mmPA_SC_RASTER_CONFIG_1, 0xffffffff, 0x0000002e,
> > > +	mmGB_ADDR_CONFIG, 0xffffffff, 0x22011003,
> > > +	mmSPI_RESOURCE_RESERVE_CU_0, 0xffffffff, 0x00000800,
> > > +	mmSPI_RESOURCE_RESERVE_CU_1, 0xffffffff, 0x00000800,
> > > +	mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF,
> > > +	mmSPI_RESOURCE_RESERVE_EN_CU_1, 0xffffffff, 0x00007FAF,
> > > +	mmGRBM_GFX_INDEX, 0xffffffff, 0xe0000000,
> > > +	mmSPI_CONFIG_CNTL_1, 0x0000000f, 0x00000009, };
> > > +
> > > +static const u32 xgpu_tonga_mgcg_cgcg_init[] = {
> > > +	mmRLC_CGTT_MGCG_OVERRIDE,   0xffffffff, 0xffffffff,
> > > +	mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
> > > +	mmCB_CGTT_SCLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_BCI_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_CP_CLK_CTRL,         0xffffffff, 0x00000100,
> > > +	mmCGTT_CPC_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_CPF_CLK_CTRL,        0xffffffff, 0x40000100,
> > > +	mmCGTT_DRM_CLK_CTRL0,       0xffffffff, 0x00600100,
> > > +	mmCGTT_GDS_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_IA_CLK_CTRL,         0xffffffff, 0x06000100,
> > > +	mmCGTT_PA_CLK_CTRL,         0xffffffff, 0x00000100,
> > > +	mmCGTT_WD_CLK_CTRL,         0xffffffff, 0x06000100,
> > > +	mmCGTT_PC_CLK_CTRL,         0xffffffff, 0x00000100,
> > > +	mmCGTT_RLC_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SC_CLK_CTRL,         0xffffffff, 0x00000100,
> > > +	mmCGTT_SPI_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SQ_CLK_CTRL,         0xffffffff, 0x00000100,
> > > +	mmCGTT_SQG_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL0,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL1,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL2,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL3,        0xffffffff, 0x00000100,
> > > +	mmCGTT_SX_CLK_CTRL4,        0xffffffff, 0x00000100,
> > > +	mmCGTT_TCI_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_TCP_CLK_CTRL,        0xffffffff, 0x00000100,
> > > +	mmCGTT_VGT_CLK_CTRL,        0xffffffff, 0x06000100,
> > > +	mmDB_CGTT_CLK_CTRL_0,       0xffffffff, 0x00000100,
> > > +	mmTA_CGTT_CTRL,             0xffffffff, 0x00000100,
> > > +	mmTCA_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
> > > +	mmTCC_CGTT_SCLK_CTRL,       0xffffffff, 0x00000100,
> > > +	mmTD_CGTT_CTRL,             0xffffffff, 0x00000100,
> > > +	mmGRBM_GFX_INDEX,           0xffffffff, 0xe0000000,
> > > +	mmCGTS_CU0_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU0_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU0_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
> > > +	mmCGTS_CU0_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU0_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU1_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU1_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU1_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU1_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU1_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU2_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU2_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU2_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU2_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU2_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU3_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU3_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU3_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU3_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU3_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU4_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU4_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU4_TA_SQC_CTRL_REG, 0xffffffff, 0x00040007,
> > > +	mmCGTS_CU4_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU4_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU5_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU5_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU5_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU5_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU5_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU6_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU6_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU6_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU6_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU6_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_CU7_SP0_CTRL_REG,    0xffffffff, 0x00010000,
> > > +	mmCGTS_CU7_LDS_SQ_CTRL_REG, 0xffffffff, 0x00030002,
> > > +	mmCGTS_CU7_TA_CTRL_REG,     0xffffffff, 0x00040007,
> > > +	mmCGTS_CU7_SP1_CTRL_REG,    0xffffffff, 0x00060005,
> > > +	mmCGTS_CU7_TD_TCP_CTRL_REG, 0xffffffff, 0x00090008,
> > > +	mmCGTS_SM_CTRL_REG,         0xffffffff, 0x96e00200,
> > > +	mmCP_RB_WPTR_POLL_CNTL,     0xffffffff, 0x00900100,
> > > +	mmRLC_CGCG_CGLS_CTRL,       0xffffffff, 0x0020003c,
> > > +	mmPCIE_INDEX,               0xffffffff, 0x0140001c,
> > > +	mmPCIE_DATA,                0x000f0000, 0x00000000,
> > > +	mmSMC_IND_INDEX_4,          0xffffffff, 0xC060000C,
> > > +	mmSMC_IND_DATA_4,           0xc0000fff, 0x00000100,
> > > +	mmXDMA_CLOCK_GATING_CNTL,   0xffffffff, 0x00000100,
> > > +	mmXDMA_MEM_POWER_CNTL,      0x00000101, 0x00000000,
> > > +	mmMC_MEM_POWER_LS,          0xffffffff, 0x00000104,
> > > +	mmCGTT_DRM_CLK_CTRL0,       0xff000fff, 0x00000100,
> > > +	mmHDP_XDP_CGTT_BLK_CTRL,    0xc0000fff, 0x00000104,
> > > +	mmCP_MEM_SLP_CNTL,          0x00000001, 0x00000001,
> > > +	mmSDMA0_CLK_CTRL,           0xff000ff0, 0x00000100,
> > > +	mmSDMA1_CLK_CTRL,           0xff000ff0, 0x00000100,
> > > +};
> > > +
> > > +static const u32 xgpu_tonga_golden_settings_a11[] = {
> > > +	mmCB_HW_CONTROL, 0xfffdf3cf, 0x00007208,
> > > +	mmCB_HW_CONTROL_3, 0x00000040, 0x00000040,
> > > +	mmDB_DEBUG2, 0xf00fffff, 0x00000400,
> > > +	mmDCI_CLK_CNTL, 0x00000080, 0x00000000,
> > > +	mmFBC_DEBUG_COMP, 0x000000f0, 0x00000070,
> > > +	mmFBC_MISC, 0x1f311fff, 0x12300000,
> > > +	mmGB_GPU_ID, 0x0000000f, 0x00000000,
> > > +	mmHDMI_CONTROL, 0x31000111, 0x00000011,
> > > +	mmMC_ARB_WTM_GRPWT_RD, 0x00000003, 0x00000000,
> > > +	mmMC_HUB_RDREQ_DMIF_LIMIT, 0x0000007f, 0x00000028,
> > > +	mmMC_HUB_WDP_UMC, 0x00007fb6, 0x00000991,
> > > +	mmPA_SC_ENHANCE, 0xffffffff, 0x20000001,
> > > +	mmPA_SC_FIFO_DEPTH_CNTL, 0x000003ff, 0x000000fc,
> > > +	mmPA_SC_LINE_STIPPLE_STATE, 0x0000ff0f, 0x00000000,
> > > +	mmRLC_CGCG_CGLS_CTRL, 0x00000003, 0x0000003c,
> > > +	mmSDMA0_CHICKEN_BITS, 0xfc910007, 0x00810007,
> > > +	mmSDMA0_CLK_CTRL, 0xff000fff, 0x00000000,
> > > +	mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_CHICKEN_BITS, 0xfc910007, 0x00810007,
> > > +	mmSDMA1_CLK_CTRL, 0xff000fff, 0x00000000,
> > > +	mmSDMA1_GFX_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_RLC0_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSDMA1_RLC1_IB_CNTL, 0x800f0111, 0x00000100,
> > > +	mmSQ_RANDOM_WAVE_PRI, 0x001fffff, 0x000006fd,
> > > +	mmTA_CNTL_AUX, 0x000f000f, 0x000b0000,
> > > +	mmTCC_CTRL, 0x00100000, 0xf31fff7f,
> > > +	mmTCC_EXE_DISABLE, 0x00000002, 0x00000002,
> > > +	mmTCP_ADDR_CONFIG, 0x000003ff, 0x000002fb,
> > > +	mmTCP_CHAN_STEER_HI, 0xffffffff, 0x0000543b,
> > > +	mmTCP_CHAN_STEER_LO, 0xffffffff, 0xa9210876,
> > > +	mmVGT_RESET_DEBUG, 0x00000004, 0x00000004,
> > > +	mmVM_PRT_APERTURE0_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE1_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE2_LOW_ADDR, 0x0fffffff, 0x0fffffff,
> > > +	mmVM_PRT_APERTURE3_LOW_ADDR, 0x0fffffff, 0x0fffffff, };
> > > +
> > > +static const u32 xgpu_tonga_golden_common_all[] = {
> > > +	mmGRBM_GFX_INDEX,               0xffffffff, 0xe0000000,
> > > +	mmPA_SC_RASTER_CONFIG,          0xffffffff, 0x16000012,
> > > +	mmPA_SC_RASTER_CONFIG_1,        0xffffffff, 0x0000002A,
> > > +	mmGB_ADDR_CONFIG,               0xffffffff, 0x22011002,
> > > +	mmSPI_RESOURCE_RESERVE_CU_0,    0xffffffff, 0x00000800,
> > > +	mmSPI_RESOURCE_RESERVE_CU_1,    0xffffffff, 0x00000800,
> > > +	mmSPI_RESOURCE_RESERVE_EN_CU_0, 0xffffffff, 0x00007FBF, };
> > > +
> > > +void xgpu_vi_init_golden_registers(struct amdgpu_device *adev) {
> > > +	switch (adev->asic_type) {
> > > +	case CHIP_FIJI:
> > > +		amdgpu_program_register_sequence(adev,
> > > +						 xgpu_fiji_mgcg_cgcg_init,
> > > +						 (const u32)ARRAY_SIZE(
> > > +						 xgpu_fiji_mgcg_cgcg_init));
> > > +		amdgpu_program_register_sequence(adev,
> > > +
> > > xgpu_fiji_golden_settings_a10,
> > > +						 (const u32)ARRAY_SIZE(
> > > +
> > > xgpu_fiji_golden_settings_a10));
> > > +		amdgpu_program_register_sequence(adev,
> > > +
> > > xgpu_fiji_golden_common_all,
> > > +						 (const u32)ARRAY_SIZE(
> > > +
> > > xgpu_fiji_golden_common_all));
> > > +		break;
> > > +	case CHIP_TONGA:
> > > +		amdgpu_program_register_sequence(adev,
> > > +						 xgpu_tonga_mgcg_cgcg_init,
> > > +						 (const u32)ARRAY_SIZE(
> > > +
> > > xgpu_tonga_mgcg_cgcg_init));
> > > +		amdgpu_program_register_sequence(adev,
> > > +
> > > xgpu_tonga_golden_settings_a11,
> > > +						 (const u32)ARRAY_SIZE(
> > > +
> > > xgpu_tonga_golden_settings_a11));
> > > +		amdgpu_program_register_sequence(adev,
> > > +
> > > xgpu_tonga_golden_common_all,
> > > +						 (const u32)ARRAY_SIZE(
> > > +
> > > xgpu_tonga_golden_common_all));
> > > +		break;
> > > +	default:
> > > +		BUG_ON("Doesn't support chip type.\n");
> > > +		break;
> > > +	}
> > > +}
> > > +
> > > +/*
> > > + * Mailbox communication between GPU hypervisor and VFs  */ static
> > > +void xgpu_vi_mailbox_send_ack(struct amdgpu_device *adev) {
> > > +	u32 reg;
> > > +
> > > +	reg = RREG32(mmMAILBOX_CONTROL);
> > > +	reg = REG_SET_FIELD(reg, MAILBOX_CONTROL, RCV_MSG_ACK, 1);
> > > +	WREG32(mmMAILBOX_CONTROL, reg);
> > > +}
> > > +
> > > +static void xgpu_vi_mailbox_set_valid(struct amdgpu_device *adev,
> > > +bool
> > > +val) {
> > > +	u32 reg;
> > > +
> > > +	reg = RREG32(mmMAILBOX_CONTROL);
> > > +	reg = REG_SET_FIELD(reg, MAILBOX_CONTROL,
> > > +			    TRN_MSG_VALID, val ? 1 : 0);
> > > +	WREG32(mmMAILBOX_CONTROL, reg);
> > > +}
> > > +
> > > +static void xgpu_vi_mailbox_trans_msg(struct amdgpu_device *adev,
> > > +				      enum idh_event event)
> > > +{
> > > +	u32 reg;
> > > +
> > > +	reg = RREG32(mmMAILBOX_MSGBUF_TRN_DW0);
> > > +	reg = REG_SET_FIELD(reg, MAILBOX_MSGBUF_TRN_DW0,
> > > +			    MSGBUF_DATA, event);
> > > +	WREG32(mmMAILBOX_MSGBUF_TRN_DW0, reg);
> > > +
> > > +	xgpu_vi_mailbox_set_valid(adev, true); }
> > > +
> > > +static int xgpu_vi_mailbox_rcv_msg(struct amdgpu_device *adev,
> > > +				   enum idh_event event)
> > > +{
> > > +	u32 reg;
> > > +
> > > +	reg = RREG32(mmMAILBOX_MSGBUF_RCV_DW0);
> > > +	if (reg != event)
> > > +		return -ENOENT;
> > > +
> > > +	/* send ack to PF */
> > > +	xgpu_vi_mailbox_send_ack(adev);
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +static int xgpu_vi_poll_ack(struct amdgpu_device *adev) {
> > > +	int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
> > > +	u32 mask = REG_FIELD_MASK(MAILBOX_CONTROL, TRN_MSG_ACK);
> > > +	u32 reg;
> > > +
> > > +	reg = RREG32(mmMAILBOX_CONTROL);
> > > +	while (!(reg & mask)) {
> > > +		if (timeout <= 0) {
> > > +			pr_err("Doesn't get ack from pf.\n");
> > > +			r = -ETIME;
> > > +			break;
> > > +		}
> > > +		msleep(1);
> > > +		timeout -= 1;
> > > +
> > > +		reg = RREG32(mmMAILBOX_CONTROL);
> > > +	}
> > > +
> > > +	return r;
> > > +}
> > > +
> > > +static int xgpu_vi_poll_msg(struct amdgpu_device *adev, enum
> > > +idh_event
> > > +event) {
> > > +	int r = 0, timeout = VI_MAILBOX_TIMEDOUT;
> > > +
> > > +	r = xgpu_vi_mailbox_rcv_msg(adev, event);
> > > +	while (r) {
> > > +		if (timeout <= 0) {
> > > +			pr_err("Doesn't get ack from pf.\n");
> > > +			r = -ETIME;
> > > +			break;
> > > +		}
> > > +		msleep(1);
> > > +		timeout -= 1;
> > > +
> > > +		r = xgpu_vi_mailbox_rcv_msg(adev, event);
> > > +	}
> > > +
> > > +	return r;
> > > +}
> > > +
> > > +static int xgpu_vi_send_access_requests(struct amdgpu_device *adev,
> > > +					enum idh_request request)
> > > +{
> > > +	int r;
> > > +
> > > +	xgpu_vi_mailbox_trans_msg(adev, request);
> > > +
> > > +	/* start to poll ack */
> > > +	r = xgpu_vi_poll_ack(adev);
> > > +	if (r)
> > > +		return r;
> > > +
> > > +	xgpu_vi_mailbox_set_valid(adev, false);
> > > +
> > > +	/* start to check msg if request is idh_req_gpu_init_access */
> > > +	if (request == IDH_REQ_GPU_INIT_ACCESS) {
> > > +		r = xgpu_vi_poll_msg(adev, IDH_READY_TO_ACCESS_GPU);
> > > +		if (r)
> > > +			return r;
> > > +	}
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +static int xgpu_vi_request_reset(struct amdgpu_device *adev) {
> > > +	return xgpu_vi_send_access_requests(adev,
> > > IDH_REQ_GPU_RESET_ACCESS); }
> > > +
> > > +static int xgpu_vi_request_full_gpu_access(struct amdgpu_device
> *adev,
> > > +					   bool init)
> > > +{
> > > +	enum idh_event event;
> > > +
> > > +	event = init ? IDH_REQ_GPU_INIT_ACCESS :
> > > IDH_REQ_GPU_FINI_ACCESS;
> > > +	return xgpu_vi_send_access_requests(adev, event); }
> > > +
> > > +static int xgpu_vi_release_full_gpu_access(struct amdgpu_device
> *adev,
> > > +					   bool init)
> > > +{
> > > +	enum idh_event event;
> > > +	int r = 0;
> > > +
> > > +	event = init ? IDH_REL_GPU_INIT_ACCESS :
> > > IDH_REL_GPU_FINI_ACCESS;
> > > +	r = xgpu_vi_send_access_requests(adev, event);
> > > +
> > > +	return r;
> > > +}
> > > +
> > > +/* add support mailbox interrupts */ static int
> > > +xgpu_vi_mailbox_ack_irq(struct amdgpu_device *adev,
> > > +				   struct amdgpu_irq_src *source,
> > > +				   struct amdgpu_iv_entry *entry) {
> > > +	DRM_DEBUG("get ack intr and do nothing.\n");
> > > +	return 0;
> > > +}
> > > +
> > > +static int xgpu_vi_set_mailbox_ack_irq(struct amdgpu_device *adev,
> > > +				       struct amdgpu_irq_src *src,
> > > +				       unsigned type,
> > > +				       enum amdgpu_interrupt_state state) {
> > > +	u32 tmp = RREG32(mmMAILBOX_INT_CNTL);
> > > +
> > > +	tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, ACK_INT_EN,
> > > +			    (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
> > > +	WREG32(mmMAILBOX_INT_CNTL, tmp);
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +static void xgpu_vi_mailbox_flr_work(struct work_struct *work) {
> > > +	struct amdgpu_virt *virt = container_of(work,
> > > +					struct amdgpu_virt, flr_work.work);
> > > +	struct amdgpu_device *adev = container_of(virt,
> > > +					struct amdgpu_device, virt);
> > > +	int r = 0;
> > > +
> > > +	r = xgpu_vi_poll_msg(adev, IDH_FLR_NOTIFICATION_CMPL);
> > > +	if (r)
> > > +		DRM_ERROR("failed to get flr cmpl msg from hypervior.\n");
> > > +
> > > +	/* TODO: need to restore gfx states */ }
> > > +
> > > +static int xgpu_vi_set_mailbox_rcv_irq(struct amdgpu_device *adev,
> > > +				       struct amdgpu_irq_src *src,
> > > +				       unsigned type,
> > > +				       enum amdgpu_interrupt_state state) {
> > > +	u32 tmp = RREG32(mmMAILBOX_INT_CNTL);
> > > +
> > > +	tmp = REG_SET_FIELD(tmp, MAILBOX_INT_CNTL, VALID_INT_EN,
> > > +			    (state == AMDGPU_IRQ_STATE_ENABLE) ? 1 : 0);
> > > +	WREG32(mmMAILBOX_INT_CNTL, tmp);
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +static int xgpu_vi_mailbox_rcv_irq(struct amdgpu_device *adev,
> > > +				   struct amdgpu_irq_src *source,
> > > +				   struct amdgpu_iv_entry *entry) {
> > > +	int r;
> > > +
> > > +	adev->virt.caps &= ~AMDGPU_SRIOV_CAPS_RUNTIME;
> > > +	r = xgpu_vi_mailbox_rcv_msg(adev, IDH_FLR_NOTIFICATION);
> > > +	/* do nothing for other msg */
> > > +	if (r)
> > > +		return 0;
> > > +
> > > +	/* TODO: need to save gfx states */
> > > +	schedule_delayed_work(&adev->virt.flr_work,
> > > +			      msecs_to_jiffies(VI_MAILBOX_RESET_TIME));
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +static const struct amdgpu_irq_src_funcs
> > > +xgpu_vi_mailbox_ack_irq_funcs =
> > > {
> > > +	.set = xgpu_vi_set_mailbox_ack_irq,
> > > +	.process = xgpu_vi_mailbox_ack_irq, };
> > > +
> > > +static const struct amdgpu_irq_src_funcs
> > > +xgpu_vi_mailbox_rcv_irq_funcs =
> > > {
> > > +	.set = xgpu_vi_set_mailbox_rcv_irq,
> > > +	.process = xgpu_vi_mailbox_rcv_irq, };
> > > +
> > > +void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev) {
> > > +	adev->virt.ack_irq.num_types = 1;
> > > +	adev->virt.ack_irq.funcs = &xgpu_vi_mailbox_ack_irq_funcs;
> > > +	adev->virt.rcv_irq.num_types = 1;
> > > +	adev->virt.rcv_irq.funcs = &xgpu_vi_mailbox_rcv_irq_funcs; }
> > > +
> > > +int xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev) {
> > > +	int r;
> > > +
> > > +	r = amdgpu_irq_add_id(adev, 135, &adev->virt.rcv_irq);
> > > +	if (r)
> > > +		return r;
> > > +
> > > +	r = amdgpu_irq_add_id(adev, 138, &adev->virt.ack_irq);
> > > +	if (r) {
> > > +		amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
> > > +		return r;
> > > +	}
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +int xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev) {
> > > +	int r;
> > > +
> > > +	r = amdgpu_irq_get(adev, &adev->virt.rcv_irq, 0);
> > > +	if (r)
> > > +		return r;
> > > +	r = amdgpu_irq_get(adev, &adev->virt.ack_irq, 0);
> > > +	if (r) {
> > > +		amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0);
> > > +		return r;
> > > +	}
> > > +
> > > +	INIT_DELAYED_WORK(&adev->virt.flr_work,
> > > xgpu_vi_mailbox_flr_work);
> > > +
> > > +	return 0;
> > > +}
> > > +
> > > +void xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev) {
> > > +	cancel_delayed_work_sync(&adev->virt.flr_work);
> > > +	amdgpu_irq_put(adev, &adev->virt.ack_irq, 0);
> > > +	amdgpu_irq_put(adev, &adev->virt.rcv_irq, 0); }
> > > +
> > > +const struct amdgpu_virt_ops xgpu_vi_virt_ops = {
> > > +	.req_full_gpu		= xgpu_vi_request_full_gpu_access,
> > > +	.rel_full_gpu		= xgpu_vi_release_full_gpu_access,
> > > +	.reset_gpu		= xgpu_vi_request_reset,
> > > +};
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> > > b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> > > new file mode 100644
> > > index 0000000..fd6216e
> > > --- /dev/null
> > > +++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_vi.h
> > > @@ -0,0 +1,55 @@
> > > +/*
> > > + * Copyright 2017 Advanced Micro Devices, Inc.
> > > + *
> > > + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __MXGPU_VI_H__
> > > +#define __MXGPU_VI_H__
> > > +
> > > +#define VI_MAILBOX_TIMEDOUT	150
> > > +#define VI_MAILBOX_RESET_TIME	12
> > > +
> > > +/* VI mailbox messages request */
> > > +enum idh_request {
> > > +	IDH_REQ_GPU_INIT_ACCESS	= 1,
> > > +	IDH_REL_GPU_INIT_ACCESS,
> > > +	IDH_REQ_GPU_FINI_ACCESS,
> > > +	IDH_REL_GPU_FINI_ACCESS,
> > > +	IDH_REQ_GPU_RESET_ACCESS
> > > +};
> > > +
> > > +/* VI mailbox messages data */
> > > +enum idh_event {
> > > +	IDH_CLR_MSG_BUF = 0,
> > > +	IDH_READY_TO_ACCESS_GPU,
> > > +	IDH_FLR_NOTIFICATION,
> > > +	IDH_FLR_NOTIFICATION_CMPL,
> > > +	IDH_EVENT_MAX
> > > +};
> > > +
> > > +extern const struct amdgpu_virt_ops xgpu_vi_virt_ops;
> > > +
> > > +void xgpu_vi_init_golden_registers(struct amdgpu_device *adev);
> > > +void xgpu_vi_mailbox_set_irq_funcs(struct amdgpu_device *adev); int
> > > +xgpu_vi_mailbox_add_irq_id(struct amdgpu_device *adev); int
> > > +xgpu_vi_mailbox_get_irq(struct amdgpu_device *adev); void
> > > +xgpu_vi_mailbox_put_irq(struct amdgpu_device *adev);
> > > +
> > > +#endif
> > > --
> > > 2.7.4
> 
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