[Intel-xe] [PATCH v2 07/10] drm/xe: Support SOC NONFATAL error handling for PVC.

Aravind Iddamsetty aravind.iddamsetty at linux.intel.com
Thu Oct 19 08:26:14 UTC 2023


On 18/10/23 09:30, Himal Prasad Ghimiray wrote:
> Report the SOC nonfatal hardware error and update the counters which
> will increment incase of error.
>
> v2
> - Use xe_assign_hw_err_regs to initilaize registers.
> - Dont use the counters if error is being reported by second level
>   registers.
> - Fix Num of IEH to 2.
> - Follow the convention source_typeoferror_errorname for enum and error
> reporting.(Aravind)
>
> Cc: Aravind Iddamsetty <aravind.iddamsetty at intel.com>
> Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
> ---
>  drivers/gpu/drm/xe/xe_hw_error.c | 70 +++++++++++++++++++++++++++++++-
>  drivers/gpu/drm/xe/xe_hw_error.h | 39 ++++++++++++++++++
>  2 files changed, 108 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/xe/xe_hw_error.c b/drivers/gpu/drm/xe/xe_hw_error.c
> index 55f8613e8b6d..8b968b117c18 100644
> --- a/drivers/gpu/drm/xe/xe_hw_error.c
> +++ b/drivers/gpu/drm/xe/xe_hw_error.c
> @@ -258,6 +258,67 @@ static const struct err_name_index_pair pvc_soc_mstr_lcl_err_reg_fatal[] = {
>  	[14 ... 31] = {"Undefined",				XE_HW_ERR_SOC_FATAL_UNKNOWN},
>  };
>  
> +static const struct err_name_index_pair pvc_soc_mstr_glbl_err_reg_nonfatal[] = {
> +	[0]         = {"MASTER LOCAL Reported",			XE_HW_ERR_TILE_UNSPEC},
> +	[1]         = {"SLAVE GLOBAL Reported",			XE_HW_ERR_TILE_UNSPEC},
> +	[2]         = {"HBM SS0: Channel0",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL0},
> +	[3]         = {"HBM SS0: Channel1",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL1},
> +	[4]         = {"HBM SS0: Channel2",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL2},
> +	[5]         = {"HBM SS0: Channel3",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL3},
> +	[6]         = {"HBM SS0: Channel4",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL4},
> +	[7]         = {"HBM SS0: Channel5",			XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL5},
> +	[8]         = {"HBM SS0: Channel6",                     XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL6},
> +	[9]         = {"HBM SS0: Channel7",                     XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL7},
> +	[10]        = {"HBM SS1: Channel0",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL0},
> +	[11]        = {"HBM SS1: Channel1",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL1},
> +	[12]        = {"HBM SS1: Channel2",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL2},
> +	[13]        = {"HBM SS1: Channel3",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL3},
> +	[14]        = {"HBM SS1: Channel4",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL4},
> +	[15]        = {"HBM SS1: Channel5",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL5},
> +	[16]        = {"HBM SS1: Channel6",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL6},
> +	[17]        = {"HBM SS1: Channel7",                     XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL7},
> +	[18 ... 31] = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +};
> +
> +static const struct err_name_index_pair pvc_soc_slave_glbl_err_reg_nonfatal[] = {
> +	[0]         = {"SLAVE LOCAL Reported",			XE_HW_ERR_TILE_UNSPEC},
> +	[1]         = {"HBM SS2: Channel0",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL0},
> +	[2]         = {"HBM SS2: Channel1",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL1},
> +	[3]         = {"HBM SS2: Channel2",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL2},
> +	[4]         = {"HBM SS2: Channel3",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL3},
> +	[5]         = {"HBM SS2: Channel4",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL4},
> +	[6]         = {"HBM SS2: Channel5",			XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL5},
> +	[7]         = {"HBM SS2: Channel6",                     XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL6},
> +	[8]         = {"HBM SS2: Channel7",                     XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL7},
> +	[9]         = {"HBM SS3: Channel0",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL0},
> +	[10]        = {"HBM SS3: Channel1",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL1},
> +	[11]        = {"HBM SS3: Channel2",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL2},
> +	[12]        = {"HBM SS3: Channel3",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL3},
> +	[13]        = {"HBM SS3: Channel4",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL4},
> +	[14]        = {"HBM SS3: Channel5",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL5},
> +	[15]        = {"HBM SS3: Channel6",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL6},
> +	[16]        = {"HBM SS3: Channel7",                     XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL7},
> +	[18]	    = {"ANR MDFI",				XE_HW_ERR_SOC_NONFATAL_ANR_MDFI},
> +	[17]        = {"Undefined",                             XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +	[19 ... 31] = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +};
> +
> +static const struct err_name_index_pair pvc_soc_slave_lcl_err_reg_nonfatal[] = {
> +	[0 ... 31]  = {"Undefined",			XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +};
> +
> +static const struct err_name_index_pair pvc_soc_mstr_lcl_err_reg_nonfatal[] = {
> +	[0 ... 3]   = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +	[4]         = {"Base Die MDFI T2T",			XE_HW_ERR_SOC_NONFATAL_MDFI_T2T},
> +	[5]         = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +	[6]         = {"Base Die MDFI T2C",			XE_HW_ERR_SOC_NONFATAL_MDFI_T2C},
> +	[7]         = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +	[8]         = {"Invalid CSC PSF Command Parity",	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_CMD},
> +	[9]         = {"Invalid CSC PSF Unexpected Completion",	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_CMP},
> +	[10]        = {"Invalid CSC PSF Unsupported Request",	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_REQ},
> +	[11 ... 31] = {"Undefined",				XE_HW_ERR_SOC_NONFATAL_UNKNOWN},
> +};
> +
>  void xe_assign_hw_err_regs(struct xe_device *xe)
>  {
>  	const struct err_name_index_pair **dev_err_stat = xe->hw_err_regs.dev_err_stat;
> @@ -295,6 +356,10 @@ void xe_assign_hw_err_regs(struct xe_device *xe)
>  		soc_mstr_lcl[HARDWARE_ERROR_FATAL] = pvc_soc_mstr_lcl_err_reg_fatal;
>  		soc_slave_glbl[HARDWARE_ERROR_FATAL] = pvc_soc_slave_glbl_err_reg_fatal;
>  		soc_slave_lcl[HARDWARE_ERROR_FATAL] = pvc_soc_slave_lcl_err_reg_fatal;
> +		soc_mstr_glbl[HARDWARE_ERROR_NONFATAL] = pvc_soc_mstr_glbl_err_reg_nonfatal;
> +		soc_mstr_lcl[HARDWARE_ERROR_NONFATAL] = pvc_soc_mstr_lcl_err_reg_nonfatal;
> +		soc_slave_glbl[HARDWARE_ERROR_NONFATAL] = pvc_soc_slave_glbl_err_reg_nonfatal;
> +		soc_slave_lcl[HARDWARE_ERROR_NONFATAL] = pvc_soc_slave_lcl_err_reg_nonfatal;
>  	}
>  
>  }
> @@ -578,7 +643,10 @@ xe_soc_hw_error_handler(struct xe_tile *tile, const enum hardware_error hw_err)
>  
>  	lockdep_assert_held(&tile_to_xe(tile)->irq.lock);
>  
> -	if ((tile_to_xe(tile)->info.platform != XE_PVC) ||  hw_err != HARDWARE_ERROR_FATAL)
> +	if (tile_to_xe(tile)->info.platform != XE_PVC)
> +		return;
> +
> +	if (hw_err == HARDWARE_ERROR_CORRECTABLE)
nit: could be clubbed with above
>  		return;
>  
>  	base = SOC_PVC_BASE;
> diff --git a/drivers/gpu/drm/xe/xe_hw_error.h b/drivers/gpu/drm/xe/xe_hw_error.h
> index 700474aed171..59b331f52783 100644
> --- a/drivers/gpu/drm/xe/xe_hw_error.h
> +++ b/drivers/gpu/drm/xe/xe_hw_error.h
> @@ -112,6 +112,45 @@ enum xe_soc_hw_errors {
>  	XE_HW_ERR_SOC_FATAL_PCIE_PSF_CMD,
>  	XE_HW_ERR_SOC_FATAL_PCIE_PSF_CMP,
>  	XE_HW_ERR_SOC_FATAL_PCIE_PSF_REQ,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL0,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL1,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL2,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL3,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL4,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL5,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL6,
> +	XE_HW_ERR_SOC_NONFATAL_HBM0_CHNL7,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL0,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL1,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL2,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL3,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL4,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL5,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL6,
> +	XE_HW_ERR_SOC_NONFATAL_HBM1_CHNL7,
> +	XE_HW_ERR_SOC_NONFATAL_UNKNOWN,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL0,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL1,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL2,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL3,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL4,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL5,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL6,
> +	XE_HW_ERR_SOC_NONFATAL_HBM2_CHNL7,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL0,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL1,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL2,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL3,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL4,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL5,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL6,
> +	XE_HW_ERR_SOC_NONFATAL_HBM3_CHNL7,
> +	XE_HW_ERR_SOC_NONFATAL_ANR_MDFI,
> +	XE_HW_ERR_SOC_NONFATAL_MDFI_T2T,
> +	XE_HW_ERR_SOC_NONFATAL_MDFI_T2C,
> +	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_CMD,
> +	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_CMP,
> +	XE_HW_ERR_SOC_NONFATAL_CSC_PSF_REQ,
>  	XE_TILE_HW_ERROR_MAX,
>  };
same here common enum.
>  

Reviewed-by: Aravind Iddamsetty <aravind.iddamsetty at linux.intel.com>

Thanks,
Aravind.


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