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McKenney" , Mahesh J Salgaonkar , Oliver O'Halloran , Kai-Heng Feng , Keith Busch , Robert Richter , Terry Bowman , Shiju Jose , Dave Jiang , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Bjorn Helgaas Subject: [PATCH v8 03/20] PCI/AER: Factor COR/UNCOR error handling out from aer_isr_one_error() Date: Thu, 22 May 2025 18:21:09 -0500 Message-ID: <20250522232339.1525671-4-helgaas@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250522232339.1525671-1-helgaas@kernel.org> References: <20250522232339.1525671-1-helgaas@kernel.org> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Bjorn Helgaas aer_isr_one_error() duplicates the Error Source ID logging and AER error processing for Correctable Errors and Uncorrectable Errors. Factor out the duplicated code to aer_isr_one_error_type(). aer_isr_one_error() doesn't need the struct aer_rpc pointer, so pass it the Root Port or RCEC pci_dev pointer instead. Signed-off-by: Bjorn Helgaas Reviewed-by: Ilpo Järvinen Reviewed-by: Jonathan Cameron Reviewed-by: Kuppuswamy Sathyanarayanan Link: https://patch.msgid.link/20250520215047.1350603-4-helgaas@kernel.org --- drivers/pci/pcie/aer.c | 36 +++++++++++++++++++++++------------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c index a1cf8c7ef628..568229288ca3 100644 --- a/drivers/pci/pcie/aer.c +++ b/drivers/pci/pcie/aer.c @@ -1273,17 +1273,32 @@ static inline void aer_process_err_devices(struct aer_err_info *e_info) } /** - * aer_isr_one_error - consume an error detected by Root Port - * @rpc: pointer to the Root Port which holds an error + * aer_isr_one_error_type - consume a Correctable or Uncorrectable Error + * detected by Root Port or RCEC + * @root: pointer to Root Port or RCEC that signaled AER interrupt + * @info: pointer to AER error info + */ +static void aer_isr_one_error_type(struct pci_dev *root, + struct aer_err_info *info) +{ + aer_print_port_info(root, info); + + if (find_source_device(root, info)) + aer_process_err_devices(info); +} + +/** + * aer_isr_one_error - consume error(s) signaled by an AER interrupt from + * Root Port or RCEC + * @root: pointer to Root Port or RCEC that signaled AER interrupt * @e_src: pointer to an error source */ -static void aer_isr_one_error(struct aer_rpc *rpc, +static void aer_isr_one_error(struct pci_dev *root, struct aer_err_source *e_src) { - struct pci_dev *pdev = rpc->rpd; struct aer_err_info e_info; - pci_rootport_aer_stats_incr(pdev, e_src); + pci_rootport_aer_stats_incr(root, e_src); /* * There is a possibility that both correctable error and @@ -1297,10 +1312,8 @@ static void aer_isr_one_error(struct aer_rpc *rpc, e_info.multi_error_valid = 1; else e_info.multi_error_valid = 0; - aer_print_port_info(pdev, &e_info); - if (find_source_device(pdev, &e_info)) - aer_process_err_devices(&e_info); + aer_isr_one_error_type(root, &e_info); } if (e_src->status & PCI_ERR_ROOT_UNCOR_RCV) { @@ -1316,10 +1329,7 @@ static void aer_isr_one_error(struct aer_rpc *rpc, else e_info.multi_error_valid = 0; - aer_print_port_info(pdev, &e_info); - - if (find_source_device(pdev, &e_info)) - aer_process_err_devices(&e_info); + aer_isr_one_error_type(root, &e_info); } } @@ -1340,7 +1350,7 @@ static irqreturn_t aer_isr(int irq, void *context) return IRQ_NONE; while (kfifo_get(&rpc->aer_fifo, &e_src)) - aer_isr_one_error(rpc, &e_src); + aer_isr_one_error(rpc->rpd, &e_src); return IRQ_HANDLED; } -- 2.43.0