On Mon, 19 May 2025, Bjorn Helgaas wrote:

> From: Karolina Stolarek <karolina.stola...@oracle.com>
> 
> Update name to reflect the broader definition of structs/variables that are
> stored (e.g. ratelimits). This is a preparatory patch for adding rate limit
> support.
> 
> Link: https://lore.kernel.org/r/20250321015806.954866-6-pan...@google.com
> Signed-off-by: Karolina Stolarek <karolina.stola...@oracle.com>
> Signed-off-by: Bjorn Helgaas <bhelg...@google.com>
> ---
>  drivers/pci/pcie/aer.c | 50 +++++++++++++++++++++---------------------
>  include/linux/pci.h    |  2 +-
>  2 files changed, 26 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
> index 06a7dda20846..da62032bf024 100644
> --- a/drivers/pci/pcie/aer.c
> +++ b/drivers/pci/pcie/aer.c
> @@ -54,11 +54,11 @@ struct aer_rpc {
>       DECLARE_KFIFO(aer_fifo, struct aer_err_source, AER_ERROR_SOURCES_MAX);
>  };
>  
> -/* AER stats for the device */
> -struct aer_stats {
> +/* AER report for the device */
> +struct aer_report {
>  
>       /*
> -      * Fields for all AER capable devices. They indicate the errors
> +      * Stats for all AER capable devices. They indicate the errors
>        * "as seen by this device". Note that this may mean that if an
>        * Endpoint is causing problems, the AER counters may increment
>        * at its link partner (e.g. Root Port) because the errors will be
> @@ -80,7 +80,7 @@ struct aer_stats {
>       u64 dev_total_nonfatal_errs;
>  
>       /*
> -      * Fields for Root Ports & Root Complex Event Collectors only; these
> +      * Stats for Root Ports & Root Complex Event Collectors only; these
>        * indicate the total number of ERR_COR, ERR_FATAL, and ERR_NONFATAL
>        * messages received by the Root Port / Event Collector, INCLUDING the
>        * ones that are generated internally (by the Root Port itself)
> @@ -377,7 +377,7 @@ void pci_aer_init(struct pci_dev *dev)
>       if (!dev->aer_cap)
>               return;
>  
> -     dev->aer_stats = kzalloc(sizeof(struct aer_stats), GFP_KERNEL);
> +     dev->aer_report = kzalloc(sizeof(*dev->aer_report), GFP_KERNEL);
>  
>       /*
>        * We save/restore PCI_ERR_UNCOR_MASK, PCI_ERR_UNCOR_SEVER,
> @@ -398,8 +398,8 @@ void pci_aer_init(struct pci_dev *dev)
>  
>  void pci_aer_exit(struct pci_dev *dev)
>  {
> -     kfree(dev->aer_stats);
> -     dev->aer_stats = NULL;
> +     kfree(dev->aer_report);
> +     dev->aer_report = NULL;
>  }
>  
>  #define AER_AGENT_RECEIVER           0
> @@ -537,10 +537,10 @@ static const char *aer_agent_string[] = {
>  {                                                                    \
>       unsigned int i;                                                 \
>       struct pci_dev *pdev = to_pci_dev(dev);                         \
> -     u64 *stats = pdev->aer_stats->stats_array;                      \
> +     u64 *stats = pdev->aer_report->stats_array;                     \
>       size_t len = 0;                                                 \
>                                                                       \
> -     for (i = 0; i < ARRAY_SIZE(pdev->aer_stats->stats_array); i++) {\
> +     for (i = 0; i < ARRAY_SIZE(pdev->aer_report->stats_array); i++) {\
>               if (strings_array[i])                                   \
>                       len += sysfs_emit_at(buf, len, "%s %llu\n",     \
>                                            strings_array[i],          \
> @@ -551,7 +551,7 @@ static const char *aer_agent_string[] = {
>                                            i, stats[i]);              \
>       }                                                               \
>       len += sysfs_emit_at(buf, len, "TOTAL_%s %llu\n", total_string, \
> -                          pdev->aer_stats->total_field);             \
> +                          pdev->aer_report->total_field);            \
>       return len;                                                     \
>  }                                                                    \
>  static DEVICE_ATTR_RO(name)
> @@ -572,7 +572,7 @@ aer_stats_dev_attr(aer_dev_nonfatal, dev_nonfatal_errs,
>                    char *buf)                                         \
>  {                                                                    \
>       struct pci_dev *pdev = to_pci_dev(dev);                         \
> -     return sysfs_emit(buf, "%llu\n", pdev->aer_stats->field);       \
> +     return sysfs_emit(buf, "%llu\n", pdev->aer_report->field);      \
>  }                                                                    \
>  static DEVICE_ATTR_RO(name)
>  
> @@ -599,7 +599,7 @@ static umode_t aer_stats_attrs_are_visible(struct kobject 
> *kobj,
>       struct device *dev = kobj_to_dev(kobj);
>       struct pci_dev *pdev = to_pci_dev(dev);
>  
> -     if (!pdev->aer_stats)
> +     if (!pdev->aer_report)
>               return 0;
>  
>       if ((a == &dev_attr_aer_rootport_total_err_cor.attr ||
> @@ -623,28 +623,28 @@ static void pci_dev_aer_stats_incr(struct pci_dev *pdev,
>       unsigned long status = info->status & ~info->mask;
>       int i, max = -1;
>       u64 *counter = NULL;
> -     struct aer_stats *aer_stats = pdev->aer_stats;
> +     struct aer_report *aer_report = pdev->aer_report;
>  
>       trace_aer_event(pci_name(pdev), (info->status & ~info->mask),
>                       info->severity, info->tlp_header_valid, &info->tlp);
>  
> -     if (!aer_stats)
> +     if (!aer_report)
>               return;
>  
>       switch (info->severity) {
>       case AER_CORRECTABLE:
> -             aer_stats->dev_total_cor_errs++;
> -             counter = &aer_stats->dev_cor_errs[0];
> +             aer_report->dev_total_cor_errs++;
> +             counter = &aer_report->dev_cor_errs[0];
>               max = AER_MAX_TYPEOF_COR_ERRS;
>               break;
>       case AER_NONFATAL:
> -             aer_stats->dev_total_nonfatal_errs++;
> -             counter = &aer_stats->dev_nonfatal_errs[0];
> +             aer_report->dev_total_nonfatal_errs++;
> +             counter = &aer_report->dev_nonfatal_errs[0];
>               max = AER_MAX_TYPEOF_UNCOR_ERRS;
>               break;
>       case AER_FATAL:
> -             aer_stats->dev_total_fatal_errs++;
> -             counter = &aer_stats->dev_fatal_errs[0];
> +             aer_report->dev_total_fatal_errs++;
> +             counter = &aer_report->dev_fatal_errs[0];
>               max = AER_MAX_TYPEOF_UNCOR_ERRS;
>               break;
>       }
> @@ -656,19 +656,19 @@ static void pci_dev_aer_stats_incr(struct pci_dev *pdev,
>  static void pci_rootport_aer_stats_incr(struct pci_dev *pdev,
>                                struct aer_err_source *e_src)
>  {
> -     struct aer_stats *aer_stats = pdev->aer_stats;
> +     struct aer_report *aer_report = pdev->aer_report;
>  
> -     if (!aer_stats)
> +     if (!aer_report)
>               return;
>  
>       if (e_src->status & PCI_ERR_ROOT_COR_RCV)
> -             aer_stats->rootport_total_cor_errs++;
> +             aer_report->rootport_total_cor_errs++;
>  
>       if (e_src->status & PCI_ERR_ROOT_UNCOR_RCV) {
>               if (e_src->status & PCI_ERR_ROOT_FATAL_RCV)
> -                     aer_stats->rootport_total_fatal_errs++;
> +                     aer_report->rootport_total_fatal_errs++;
>               else
> -                     aer_stats->rootport_total_nonfatal_errs++;
> +                     aer_report->rootport_total_nonfatal_errs++;
>       }
>  }
>  
> diff --git a/include/linux/pci.h b/include/linux/pci.h
> index 0e8e3fd77e96..4b11a90107cb 100644
> --- a/include/linux/pci.h
> +++ b/include/linux/pci.h
> @@ -346,7 +346,7 @@ struct pci_dev {
>       u8              hdr_type;       /* PCI header type (`multi' flag masked 
> out) */
>  #ifdef CONFIG_PCIEAER
>       u16             aer_cap;        /* AER capability offset */
> -     struct aer_stats *aer_stats;    /* AER stats for this device */
> +     struct aer_report *aer_report;  /* AER report for this device */
>  #endif
>  #ifdef CONFIG_PCIEPORTBUS
>       struct rcec_ea  *rcec_ea;       /* RCEC cached endpoint association */
> 

Reviewed-by: Ilpo Järvinen <ilpo.jarvi...@linux.intel.com>

-- 
 i.

Reply via email to