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From: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
To: Xiaofei Tan <tanxiaofei@huawei.com>
Cc: <mchehab@kernel.org>, <linux-edac@vger.kernel.org>,
	<linuxarm@huawei.com>, <shiju.jose@huawei.com>,
	<jonathan.cameron@huawei.com>
Subject: Re: [PATCH 3/9] rasdaemon: decode submodule of OEM type1 for hip08
Date: Tue, 26 Nov 2019 07:07:13 +0100	[thread overview]
Message-ID: <20191126070713.5bc61802@kernel.org> (raw)
In-Reply-To: <1573561634-225173-4-git-send-email-tanxiaofei@huawei.com>

Em Tue, 12 Nov 2019 20:27:08 +0800
Xiaofei Tan <tanxiaofei@huawei.com> escreveu:

> Decode submodule of OEM type1 for hip08, and reconstruct the functions
> of geting OEM module name and submodule name.
> 
> Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
> ---
>  non-standard-hisi_hip08.c | 286 +++++++++++++++++++++++++++++++++++-----------
>  1 file changed, 221 insertions(+), 65 deletions(-)
> 
> diff --git a/non-standard-hisi_hip08.c b/non-standard-hisi_hip08.c
> index 5e4b6a0..afdd649 100644
> --- a/non-standard-hisi_hip08.c
> +++ b/non-standard-hisi_hip08.c
> @@ -182,6 +182,13 @@ enum {
>  	hip08_pcie_local_field_regs_dump,
>  };
>  
> +struct hisi_module_info {
> +	int id;
> +	const char *name;
> +	const char **sub;
> +	int sub_num;
> +};
> +
>  /* helper functions */
>  static char *err_severity(uint8_t err_sev)
>  {
> @@ -194,37 +201,137 @@ static char *err_severity(uint8_t err_sev)
>  	return "unknown";
>  }
>  
> -static char *oem_type1_module_name(uint8_t module_id)
> -{
> -	switch (module_id) {
> -	case HISI_OEM_MODULE_ID_MN: return "MN";
> -	case HISI_OEM_MODULE_ID_PLL: return "PLL";
> -	case HISI_OEM_MODULE_ID_SLLC: return "SLLC";
> -	case HISI_OEM_MODULE_ID_AA: return "AA";
> -	case HISI_OEM_MODULE_ID_SIOE: return "SIOE";
> -	case HISI_OEM_MODULE_ID_POE: return "POE";
> -	case HISI_OEM_MODULE_ID_DISP: return "DISP";
> -	case HISI_OEM_MODULE_ID_LPC: return "LPC";
> -	case HISI_OEM_MODULE_ID_GIC: return "GIC";
> -	case HISI_OEM_MODULE_ID_RDE: return "RDE";
> -	case HISI_OEM_MODULE_ID_SAS: return "SAS";
> -	case HISI_OEM_MODULE_ID_SATA: return "SATA";
> -	case HISI_OEM_MODULE_ID_USB: return "USB";
> -	}
> -	return "unknown";
> -}
> +static const char *pll_submodule_name[] = {
> +	"TB_PLL0",
> +	"TB_PLL1",
> +	"TB_PLL2",
> +	"TB_PLL3",
> +	"TA_PLL0",
> +	"TA_PLL1",
> +	"TA_PLL2",
> +	"TA_PLL3",
> +	"NIMBUS_PLL0",
> +	"NIMBUS_PLL1",
> +	"NIMBUS_PLL2",
> +	"NIMBUS_PLL3",
> +	"NIMBUS_PLL4",
> +};
>  
> -static char *oem_type2_module_name(uint8_t module_id)
> -{
> -	switch (module_id) {
> -	case HISI_OEM_MODULE_ID_SMMU: return "SMMU";
> -	case HISI_OEM_MODULE_ID_HHA: return "HHA";
> -	case HISI_OEM_MODULE_ID_HLLC: return "HLLC";
> -	case HISI_OEM_MODULE_ID_PA: return "PA";
> -	case HISI_OEM_MODULE_ID_DDRC: return "DDRC";
> -	}
> -	return "unknown module";
> -}
> +static const char *sllc_submodule_name[] = {
> +	"TB_SLLC0",
> +	"TB_SLLC1",
> +	"TB_SLLC2",
> +	"TA_SLLC0",
> +	"TA_SLLC1",
> +	"TA_SLLC2",
> +	"NIMBUS_SLLC0",
> +	"NIMBUS_SLLC1",
> +};
> +
> +static const char *sioe_submodule_name[] = {
> +	"TB_SIOE0",
> +	"TB_SIOE1",
> +	"TB_SIOE2",
> +	"TB_SIOE3",
> +	"TA_SIOE0",
> +	"TA_SIOE1",
> +	"TA_SIOE2",
> +	"TA_SIOE3",
> +	"NIMBUS_SIOE0",
> +	"NIMBUS_SIOE1",
> +};
> +
> +static const char *poe_submodule_name[] = {
> +	"TB_POE",
> +	"TA_POE",
> +};
> +
> +static const char *disp_submodule_name[] = {
> +	"TB_PERI_DISP",
> +	"TB_POE_DISP",
> +	"TB_GIC_DISP",
> +	"TA_PERI_DISP",
> +	"TA_POE_DISP",
> +	"TA_GIC_DISP",
> +	"HAC_DISP",
> +	"PCIE_DISP",
> +	"IO_MGMT_DISP",
> +	"NETWORK_DISP",
> +};
> +
> +static const char *sas_submodule_name[] = {
> +	"SAS0",
> +	"SAS1",
> +};
> +
> +static const struct hisi_module_info hisi_oem_type1_module[] = {
> +	{
> +		.id = HISI_OEM_MODULE_ID_PLL,
> +		.name = "PLL",
> +		.sub = pll_submodule_name,
> +		.sub_num = ARRAY_SIZE(pll_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_SAS,
> +		.name = "SAS",
> +		.sub = sas_submodule_name,
> +		.sub_num = ARRAY_SIZE(sas_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_POE,
> +		.name = "POE",
> +		.sub = poe_submodule_name,
> +		.sub_num = ARRAY_SIZE(poe_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_SLLC,
> +		.name = "SLLC",
> +		.sub = sllc_submodule_name,
> +		.sub_num = ARRAY_SIZE(sllc_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_SIOE,
> +		.name = "SIOE",
> +		.sub = sioe_submodule_name,
> +		.sub_num = ARRAY_SIZE(sioe_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_DISP,
> +		.name = "DISP",
> +		.sub = disp_submodule_name,
> +		.sub_num = ARRAY_SIZE(disp_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_MN,
> +		.name = "MN",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_AA,
> +		.name = "AA",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_LPC,
> +		.name = "LPC",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_GIC,
> +		.name = "GIC",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_RDE,
> +		.name = "RDE",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_SATA,
> +		.name = "SATA",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_USB,
> +		.name = "USB",
> +	},
> +	{
> +	}
> +};
>  
>  static const char *smmu_submodule_name[] = {
>  	"HAC_SMMU",
> @@ -257,27 +364,72 @@ static const char *ddrc_submodule_name[] = {
>  	"TB_DDRC3",
>  };
>  
> -static const char *oem_type2_sub_module_name(uint8_t module_id, uint8_t sub_module_id)
> +static const struct hisi_module_info hisi_oem_type2_module[] = {
> +	{
> +		.id = HISI_OEM_MODULE_ID_SMMU,
> +		.name = "SMMU",
> +		.sub = smmu_submodule_name,
> +		.sub_num = ARRAY_SIZE(smmu_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_HHA,
> +		.name = "HHA",
> +		.sub = hha_submodule_name,
> +		.sub_num = ARRAY_SIZE(hha_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_PA,
> +		.name = "PA",
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_HLLC,
> +		.name = "HLLC",
> +		.sub = hllc_submodule_name,
> +		.sub_num = ARRAY_SIZE(hllc_submodule_name),
> +	},
> +	{
> +		.id = HISI_OEM_MODULE_ID_DDRC,
> +		.name = "DDRC",
> +		.sub = ddrc_submodule_name,
> +		.sub_num = ARRAY_SIZE(ddrc_submodule_name),
> +	},
> +	{
> +	}
> +};
> +
> +static const char *oem_module_name(const struct hisi_module_info *info,
> +				   uint8_t module_id)
>  {
> -	switch (module_id) {
> -	case HISI_OEM_MODULE_ID_SMMU:
> -		if (sub_module_id < sizeof(smmu_submodule_name)/sizeof(char *))
> -			return smmu_submodule_name[sub_module_id];
> -		break;
> -	case HISI_OEM_MODULE_ID_HLLC:
> -		if (sub_module_id < sizeof(hllc_submodule_name)/sizeof(char *))
> -			return hllc_submodule_name[sub_module_id];
> -		break;
> -	case HISI_OEM_MODULE_ID_PA:
> -		return "PA";
> -	case HISI_OEM_MODULE_ID_HHA:
> -		if (sub_module_id < sizeof(hha_submodule_name)/sizeof(char *))
> -			return hha_submodule_name[sub_module_id];
> -		break;
> -	case HISI_OEM_MODULE_ID_DDRC:
> -		if (sub_module_id < sizeof(ddrc_submodule_name)/sizeof(char *))
> -			return ddrc_submodule_name[sub_module_id];
> -		break;
> +	const struct hisi_module_info *module = &info[0];
> +
> +	for (; module->name; module++) {
> +		if (module->id != module_id)
> +			continue;
> +
> +		return module->name;
> +	}
> +
> +	return "unknown";
> +}
> +
> +static const char *oem_submodule_name(const struct hisi_module_info *info,
> +				      uint8_t module_id, uint8_t sub_module_id)
> +{
> +	const struct hisi_module_info *module = &info[0];
> +
> +	for (; module->name; module++) {
> +		const char **submodule = module->sub;
> +
> +		if (module->id != module_id)
> +			continue;
> +
> +		if (module->sub == NULL)
> +			return module->name;
> +
> +		if (sub_module_id >= module->sub_num)
> +			return "unknown";
> +
> +		return submodule[sub_module_id];
>  	}
>  
>  	return "unknown";
> @@ -467,23 +619,24 @@ static int decode_hip08_oem_type1_error(struct ras_events *ras,
>  	}
>  
>  	if (err->val_bits & HISI_OEM_VALID_MODULE_ID) {
> -		p += sprintf(p, "module=%s ",
> -			     oem_type1_module_name(err->module_id));
> +		const char *str = oem_module_name(hisi_oem_type1_module,
> +						  err->module_id);
> +
> +		p += snprintf(p, end - p, "module=%s ", str);



Rasdaemon doesn't build after applying this patch, as "end" doesn't exist
yet.

I suspect that a latter patch in this series could be adding it, but
the better is to not break rasdaemon build on some random patch, as, if
we ever need to do a git bisect, this would make it harder for it to
work.


>  		record_vendor_data(dec_tab, hisi_oem_data_type_text,
>  				   hip08_oem_type1_field_module_id,
> -				   0, oem_type1_module_name(err->module_id));
> +				   0, str);
>  	}
>  
>  	if (err->val_bits & HISI_OEM_VALID_SUB_MODULE_ID) {
> -		char submodule_name[64];
> +		const char *str = oem_submodule_name(hisi_oem_type1_module,
> +						     err->module_id,
> +						     err->sub_module_id);
>  
> -		sprintf(submodule_name, "%s%d",
> -			oem_type1_module_name(err->module_id),
> -			err->sub_module_id);
> -		p += sprintf(p, "submodule=%s ", submodule_name);
> +		p += snprintf(p, end - p, "submodule=%s ", str);
>  		record_vendor_data(dec_tab, hisi_oem_data_type_text,
>  				   hip08_oem_type1_field_sub_module_id,
> -				   0, submodule_name);
> +				   0, str);
>  	}
>  
>  	if (err->val_bits & HISI_OEM_VALID_ERR_SEVERITY) {
> @@ -596,18 +749,21 @@ static int decode_hip08_oem_type2_error(struct ras_events *ras,
>  	}
>  
>  	if (err->val_bits & HISI_OEM_VALID_MODULE_ID) {
> -		p += sprintf(p, "module=%s ",
> -			     oem_type2_module_name(err->module_id));
> +		const char *str = oem_module_name(hisi_oem_type2_module,
> +						  err->module_id);
> +
> +		p += snprintf(p, end - p, "module=%s ", str);
>  		record_vendor_data(dec_tab, hisi_oem_data_type_text,
>  				   hip08_oem_type2_field_module_id,
> -				   0, oem_type2_module_name(err->module_id));
> +				   0, str);
>  	}
>  
>  	if (err->val_bits & HISI_OEM_VALID_SUB_MODULE_ID) {
> -		const char *str = oem_type2_sub_module_name(err->module_id,
> -							    err->sub_module_id);
> +		const char *str = oem_submodule_name(hisi_oem_type2_module,
> +						     err->module_id,
> +						     err->sub_module_id);
>  
> -		p += sprintf(p, "submodule=%s ", str);
> +		p += snprintf(p, end - p, "submodule=%s ", str);
>  		record_vendor_data(dec_tab, hisi_oem_data_type_text,
>  				   hip08_oem_type2_field_sub_module_id,
>  				   0, str);




Cheers,
Mauro

  reply	other threads:[~2019-11-26  6:07 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-12 12:27 [PATCH 0/9] rasdaemon: fix some issues reported by static code analysis Xiaofei Tan
2019-11-12 12:27 ` [PATCH 1/9] rasdaemon: fix the wrong declaring of 'sruct ras_events' in ras-record.h Xiaofei Tan
2019-11-12 12:27 ` [PATCH 2/9] rasdaemon: fix an warning reported by PC-Lint Xiaofei Tan
2019-11-12 12:27 ` [PATCH 3/9] rasdaemon: decode submodule of OEM type1 for hip08 Xiaofei Tan
2019-11-26  6:07   ` Mauro Carvalho Chehab [this message]
2019-11-26  8:28     ` Xiaofei Tan
2019-11-12 12:27 ` [PATCH 4/9] rasdaemon: fix sub module name of HHA and DDRC " Xiaofei Tan
2019-11-12 12:27 ` [PATCH 5/9] rasdaemon: split OEM type1 table decode function to reduce length Xiaofei Tan
2019-11-12 12:27 ` [PATCH 6/9] rasdaemon: split OEM type2 " Xiaofei Tan
2019-11-12 12:27 ` [PATCH 7/9] rasdaemon: split PCIe local " Xiaofei Tan
2019-11-12 12:27 ` [PATCH 8/9] rasdaemon: fix magic number issues reported by static code analysis for hip08 Xiaofei Tan
2019-11-12 12:27 ` [PATCH 9/9] rasdaemon: replace sprintf with snprintf " Xiaofei Tan

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