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Date:   Sat, 24 Feb 2018 09:36:21 -0600
From:   Bjorn Helgaas <helgaas@kernel.org>
To:     Oza Pawandeep <poza@codeaurora.org>
Cc:     Bjorn Helgaas <bhelgaas@google.com>,
        Philippe Ombredanne <pombredanne@nexb.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
        Dongdong Liu <liudongdong3@huawei.com>,
        Keith Busch <keith.busch@intel.com>, Wei Zhang <wzhang@fb.com>,
        Sinan Kaya <okaya@codeaurora.org>,
        Timur Tabi <timur@codeaurora.org>
Subject: Re: [PATCH v11 5/7] PCI/AER: Unify aer error defines at single space
Message-ID: <20180224153621.GS14632@bhelgaas-glaptop.roam.corp.google.com>
References: <1519374244-20539-1-git-send-email-poza@codeaurora.org>
 <1519374244-20539-6-git-send-email-poza@codeaurora.org>
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On Fri, Feb 23, 2018 at 01:54:02PM +0530, Oza Pawandeep wrote:
> This patch moves AER error defines to drivers/pci/pci.h.
> So that it unifies the error repoting codes at single place along with dpc

s/repoting/reporting/
s/dpc/DPC/ (in English text)

> Signed-off-by: Oza Pawandeep <poza@codeaurora.org>
> 
> diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
> index 1efefe9..7ae9bb3 100644
> --- a/drivers/acpi/apei/ghes.c
> +++ b/drivers/acpi/apei/ghes.c
> @@ -56,6 +56,7 @@
>  #include <ras/ras_event.h>
>  
>  #include "apei-internal.h"
> +#include "../../pci/pci.h"

You're right, it's ugly to use this sort of path to a private PCI
header file from outside drivers/pci.

Could you just add DPC_FATAL to include/linux/aer.h?  Maybe we
discarded that for some reason?  Having pcie-dpc.c include linux/aer.h
seems like it would be better than having this ACPI code include
"../../pci/pci.h"

>  #define GHES_PFX	"GHES: "
>  
> diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
> index f8575da..c8394ec 100644
> --- a/drivers/pci/pci.h
> +++ b/drivers/pci/pci.h
> @@ -343,7 +343,11 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
>  void pci_enable_acs(struct pci_dev *dev);
>  
>  /* PCI error reporting and recovery */
> -#define DPC_FATAL	4
> +#define AER_NONFATAL		0
> +#define AER_FATAL		1
> +#define AER_CORRECTABLE		2
> +
> +#define DPC_FATAL		4
>  
>  void pcie_do_recovery(struct pci_dev *dev, int severity);
>  
> diff --git a/drivers/pci/pcie/aer/aerdrv_errprint.c b/drivers/pci/pcie/aer/aerdrv_errprint.c
> index 6a352e6..4c59f37 100644
> --- a/drivers/pci/pcie/aer/aerdrv_errprint.c
> +++ b/drivers/pci/pcie/aer/aerdrv_errprint.c
> @@ -19,6 +19,7 @@
>  #include <linux/cper.h>
>  
>  #include "aerdrv.h"
> +#include "../../pci.h"
>  #include <ras/ras_event.h>
>  
>  #define AER_AGENT_RECEIVER		0
> diff --git a/include/linux/aer.h b/include/linux/aer.h
> index 8f87bbe..3eac8ed 100644
> --- a/include/linux/aer.h
> +++ b/include/linux/aer.h
> @@ -11,10 +11,6 @@
>  #include <linux/errno.h>
>  #include <linux/types.h>
>  
> -#define AER_NONFATAL			0
> -#define AER_FATAL			1
> -#define AER_CORRECTABLE			2
> -
>  struct pci_dev;
>  
>  struct aer_header_log_regs {
> diff --git a/include/ras/ras_event.h b/include/ras/ras_event.h
> index 9c68986..d75c75b 100644
> --- a/include/ras/ras_event.h
> +++ b/include/ras/ras_event.h
> @@ -13,6 +13,7 @@
>  #include <linux/aer.h>
>  #include <linux/cper.h>
>  #include <linux/mm.h>
> +#include "../../../drivers/pci/pci.h"
>  
>  /*
>   * MCE Extended Error Log trace event
> -- 
> Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.,
> a Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
>