From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 89A6C7F for ; Tue, 23 Aug 2022 00:46:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1661215583; x=1692751583; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=k4k4gsNd5k3zq1HDQ+xAymdp/CfQzCncB8UUoV7WRQw=; b=FFNOzbxUQ58HC+wTgqDroaFV2yMgfI+3jMwV8bSlsMDzTpr1xsquy4CX kqr0uBQ6v1jTPY3H97AgYnMYWDrWd1n03HCf4oDwm2vk4pkDxki/M5PAr sQNE5AHRMiB/KBLulBhWtMZdpNJ6oU1Ig4TRnIIncFGP9beRjHrkO2FAf LYLiKvHKFd63bsHqPMtHCWhOgZswDrW1KtpalQ0vCV1dQrYjfVMhe/TG5 Qeemuxrz9eSViWxHxyDbhK8k0uEfdd/LesRZX+BdohCiDGA5mT9JqFQ4c w0Z/8E3toxtI/7Z6KWnit34pNSDVW/d+7CFedYfGBOXpaz4RMF4x2tf92 g==; X-IronPort-AV: E=McAfee;i="6500,9779,10447"; a="273310935" X-IronPort-AV: E=Sophos;i="5.93,256,1654585200"; d="scan'208";a="273310935" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Aug 2022 17:46:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,256,1654585200"; d="scan'208";a="751491576" Received: from lkp-server01.sh.intel.com (HELO dd9b29378baa) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 22 Aug 2022 17:46:18 -0700 Received: from kbuild by dd9b29378baa with local (Exim 4.96) (envelope-from ) id 1oQI3d-0000vD-12; Tue, 23 Aug 2022 00:46:17 +0000 Date: Tue, 23 Aug 2022 08:45:38 +0800 From: kernel test robot To: Frank Li , maz@kernel.org, tglx@linutronix.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kw@linux.com, bhelgaas@google.com Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pci@vger.kernel.org, peng.fan@nxp.com, aisheng.dong@nxp.com, jdmason@kudzu.us, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, kishon@ti.com, lorenzo.pieralisi@arm.com, ntb@lists.linux.dev, lznuaa@gmail.com Subject: Re: [PATCH v7 4/4] PCI: endpoint: Add NTB MSI support Message-ID: <202208230844.D25Fw8sg-lkp@intel.com> References: <20220822155130.2491006-5-Frank.Li@nxp.com> Precedence: bulk X-Mailing-List: ntb@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220822155130.2491006-5-Frank.Li@nxp.com> Hi Frank, I love your patch! Perhaps something to improve: [auto build test WARNING on jonmason-ntb/ntb-next] [also build test WARNING on robh/for-next linus/master v6.0-rc2 next-20220822] [cannot apply to tip/irq/core] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220822-235323 base: https://github.com/jonmason/ntb ntb-next config: s390-randconfig-s053-20220821 (https://download.01.org/0day-ci/archive/20220823/202208230844.D25Fw8sg-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/d98704aefa5b57814d7b9b1b40160df34977b2b6 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Frank-Li/PCI-EP-driver-support-MSI-doorbell-from-host/20220822-235323 git checkout d98704aefa5b57814d7b9b1b40160df34977b2b6 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash drivers/pci/endpoint/functions/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/pci/endpoint/functions/pci-epf-vntb.c:567:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __iomem *[assigned] mw_addr @@ got void * @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:567:25: sparse: expected void [noderef] __iomem *[assigned] mw_addr drivers/pci/endpoint/functions/pci-epf-vntb.c:567:25: sparse: got void * drivers/pci/endpoint/functions/pci-epf-vntb.c:600:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void *addr @@ got void [noderef] __iomem *epf_db @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:600:41: sparse: expected void *addr drivers/pci/endpoint/functions/pci-epf-vntb.c:600:41: sparse: got void [noderef] __iomem *epf_db drivers/pci/endpoint/functions/pci-epf-vntb.c:1201:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *base @@ got struct epf_ntb_ctrl *reg @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:1201:33: sparse: expected void [noderef] __iomem *base drivers/pci/endpoint/functions/pci-epf-vntb.c:1201:33: sparse: got struct epf_ntb_ctrl *reg drivers/pci/endpoint/functions/pci-epf-vntb.c:1212:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *base @@ got struct epf_ntb_ctrl *reg @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:1212:33: sparse: expected void [noderef] __iomem *base drivers/pci/endpoint/functions/pci-epf-vntb.c:1212:33: sparse: got struct epf_ntb_ctrl *reg drivers/pci/endpoint/functions/pci-epf-vntb.c:1223:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *base @@ got struct epf_ntb_ctrl *reg @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:1223:33: sparse: expected void [noderef] __iomem *base drivers/pci/endpoint/functions/pci-epf-vntb.c:1223:33: sparse: got struct epf_ntb_ctrl *reg drivers/pci/endpoint/functions/pci-epf-vntb.c:1235:33: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void [noderef] __iomem *base @@ got struct epf_ntb_ctrl *reg @@ drivers/pci/endpoint/functions/pci-epf-vntb.c:1235:33: sparse: expected void [noderef] __iomem *base drivers/pci/endpoint/functions/pci-epf-vntb.c:1235:33: sparse: got struct epf_ntb_ctrl *reg vim +567 drivers/pci/endpoint/functions/pci-epf-vntb.c d98704aefa5b578 Frank Li 2022-08-22 536 e35f56bb03304ab Frank Li 2022-02-22 537 /** e35f56bb03304ab Frank Li 2022-02-22 538 * epf_ntb_db_bar_init() - Configure Doorbell window BARs e35f56bb03304ab Frank Li 2022-02-22 539 * @ntb: NTB device that facilitates communication between HOST and vHOST e35f56bb03304ab Frank Li 2022-02-22 540 */ e35f56bb03304ab Frank Li 2022-02-22 541 static int epf_ntb_db_bar_init(struct epf_ntb *ntb) e35f56bb03304ab Frank Li 2022-02-22 542 { e35f56bb03304ab Frank Li 2022-02-22 543 const struct pci_epc_features *epc_features; e35f56bb03304ab Frank Li 2022-02-22 544 u32 align; e35f56bb03304ab Frank Li 2022-02-22 545 struct device *dev = &ntb->epf->dev; e35f56bb03304ab Frank Li 2022-02-22 546 int ret; e35f56bb03304ab Frank Li 2022-02-22 547 struct pci_epf_bar *epf_bar; e35f56bb03304ab Frank Li 2022-02-22 548 void __iomem *mw_addr; e35f56bb03304ab Frank Li 2022-02-22 549 enum pci_barno barno; d98704aefa5b578 Frank Li 2022-08-22 550 size_t size; e35f56bb03304ab Frank Li 2022-02-22 551 e35f56bb03304ab Frank Li 2022-02-22 552 epc_features = pci_epc_get_features(ntb->epf->epc, e35f56bb03304ab Frank Li 2022-02-22 553 ntb->epf->func_no, e35f56bb03304ab Frank Li 2022-02-22 554 ntb->epf->vfunc_no); e35f56bb03304ab Frank Li 2022-02-22 555 align = epc_features->align; d98704aefa5b578 Frank Li 2022-08-22 556 size = epf_ntb_db_size(ntb); e35f56bb03304ab Frank Li 2022-02-22 557 e35f56bb03304ab Frank Li 2022-02-22 558 barno = ntb->epf_ntb_bar[BAR_DB]; d98704aefa5b578 Frank Li 2022-08-22 559 epf_bar = &ntb->epf->bar[barno]; e35f56bb03304ab Frank Li 2022-02-22 560 d98704aefa5b578 Frank Li 2022-08-22 561 if (ntb->epf_db_phy) { d98704aefa5b578 Frank Li 2022-08-22 562 mw_addr = NULL; d98704aefa5b578 Frank Li 2022-08-22 563 epf_bar->phys_addr = ntb->epf_db_phy; d98704aefa5b578 Frank Li 2022-08-22 564 epf_bar->barno = barno; d98704aefa5b578 Frank Li 2022-08-22 565 epf_bar->size = size; d98704aefa5b578 Frank Li 2022-08-22 566 } else { e35f56bb03304ab Frank Li 2022-02-22 @567 mw_addr = pci_epf_alloc_space(ntb->epf, size, barno, align, 0); e35f56bb03304ab Frank Li 2022-02-22 568 if (!mw_addr) { e35f56bb03304ab Frank Li 2022-02-22 569 dev_err(dev, "Failed to allocate OB address\n"); e35f56bb03304ab Frank Li 2022-02-22 570 return -ENOMEM; e35f56bb03304ab Frank Li 2022-02-22 571 } d98704aefa5b578 Frank Li 2022-08-22 572 } e35f56bb03304ab Frank Li 2022-02-22 573 e35f56bb03304ab Frank Li 2022-02-22 574 ntb->epf_db = mw_addr; e35f56bb03304ab Frank Li 2022-02-22 575 e35f56bb03304ab Frank Li 2022-02-22 576 ret = pci_epc_set_bar(ntb->epf->epc, ntb->epf->func_no, ntb->epf->vfunc_no, epf_bar); e35f56bb03304ab Frank Li 2022-02-22 577 if (ret) { e35f56bb03304ab Frank Li 2022-02-22 578 dev_err(dev, "Doorbell BAR set failed\n"); e35f56bb03304ab Frank Li 2022-02-22 579 goto err_alloc_peer_mem; e35f56bb03304ab Frank Li 2022-02-22 580 } e35f56bb03304ab Frank Li 2022-02-22 581 return ret; e35f56bb03304ab Frank Li 2022-02-22 582 e35f56bb03304ab Frank Li 2022-02-22 583 err_alloc_peer_mem: e35f56bb03304ab Frank Li 2022-02-22 584 pci_epc_mem_free_addr(ntb->epf->epc, epf_bar->phys_addr, mw_addr, epf_bar->size); e35f56bb03304ab Frank Li 2022-02-22 585 return -1; e35f56bb03304ab Frank Li 2022-02-22 586 } e35f56bb03304ab Frank Li 2022-02-22 587 -- 0-DAY CI Kernel Test Service https://01.org/lkp