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Message-ID: <202408170408.2bq7qYA8-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: B01A740002 X-Stat-Signature: idooxob1oritzyqyien55mekqqtb7ezs X-Rspam-User: X-HE-Tag: 1723842078-159330 X-HE-Meta: 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 492sEBlE PZYcboIwS6+2WaiCd6LlKi1ZQ4s2a3E9tPyweaJjFFPCdDyzzYKlL8GMP9TDqdINWsNfUZ/tAYQOmTg21ZxfMFro1EvOL/jUWqV71HM+sqW5GGep0X3Xtv3x2AOCKD2KSMwNKlHkKDJ2fX10bsKu5FgKDPU9og8bEfV4qBzRo4gDAKd6ISyZe7AMc44rGphds9RQM1zptbesvxdeuEhGzikpv6QdEStrARI69fLLQxY88LxZ3W4hP1ErUIYSWN7qI61x0weifltClGYJOzxP1+KjMVt80n1YTTvjqr+YNlNj0y23cqy+CuHByu5kqY+6EURsF50yVxm9O/aScFvFLXaHb0OL0RyFyW2xjG8NsDLE5q+l1TK4MQThrygKsxZWnwWcSPChmOB+FF6hBNfd/E4Pwr2BCUh3iic9vXTgL9P1kqKo= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 367b5c3d53e57d51a5878816804652963da90950 commit: 2665d975db35f124d47e9584d448a3fb4d54f225 [3822/5190] iommu: Allow ATS to work on VFs when the PF uses IDENTITY config: arm64-randconfig-004-20240817 (https://download.01.org/0day-ci/archive/20240817/202408170408.2bq7qYA8-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240817/202408170408.2bq7qYA8-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202408170408.2bq7qYA8-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c: In function 'arm_smmu_probe_device': >> drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c:3301:17: error: implicit declaration of function 'pci_prepare_ats'; did you mean 'pci_enable_ats'? [-Wimplicit-function-declaration] 3301 | pci_prepare_ats(to_pci_dev(dev), stu); | ^~~~~~~~~~~~~~~ | pci_enable_ats vim +3301 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c 3249 3250 static struct iommu_device *arm_smmu_probe_device(struct device *dev) 3251 { 3252 int ret; 3253 struct arm_smmu_device *smmu; 3254 struct arm_smmu_master *master; 3255 struct iommu_fwspec *fwspec = dev_iommu_fwspec_get(dev); 3256 3257 if (WARN_ON_ONCE(dev_iommu_priv_get(dev))) 3258 return ERR_PTR(-EBUSY); 3259 3260 smmu = arm_smmu_get_by_fwnode(fwspec->iommu_fwnode); 3261 if (!smmu) 3262 return ERR_PTR(-ENODEV); 3263 3264 master = kzalloc(sizeof(*master), GFP_KERNEL); 3265 if (!master) 3266 return ERR_PTR(-ENOMEM); 3267 3268 master->dev = dev; 3269 master->smmu = smmu; 3270 dev_iommu_priv_set(dev, master); 3271 3272 ret = arm_smmu_insert_master(smmu, master); 3273 if (ret) 3274 goto err_free_master; 3275 3276 device_property_read_u32(dev, "pasid-num-bits", &master->ssid_bits); 3277 master->ssid_bits = min(smmu->ssid_bits, master->ssid_bits); 3278 3279 /* 3280 * Note that PASID must be enabled before, and disabled after ATS: 3281 * PCI Express Base 4.0r1.0 - 10.5.1.3 ATS Control Register 3282 * 3283 * Behavior is undefined if this bit is Set and the value of the PASID 3284 * Enable, Execute Requested Enable, or Privileged Mode Requested bits 3285 * are changed. 3286 */ 3287 arm_smmu_enable_pasid(master); 3288 3289 if (!(smmu->features & ARM_SMMU_FEAT_2_LVL_CDTAB)) 3290 master->ssid_bits = min_t(u8, master->ssid_bits, 3291 CTXDESC_LINEAR_CDMAX); 3292 3293 if ((smmu->features & ARM_SMMU_FEAT_STALLS && 3294 device_property_read_bool(dev, "dma-can-stall")) || 3295 smmu->features & ARM_SMMU_FEAT_STALL_FORCE) 3296 master->stall_enabled = true; 3297 3298 if (dev_is_pci(dev)) { 3299 unsigned int stu = __ffs(smmu->pgsize_bitmap); 3300 > 3301 pci_prepare_ats(to_pci_dev(dev), stu); 3302 } 3303 3304 return &smmu->iommu; 3305 3306 err_free_master: 3307 kfree(master); 3308 return ERR_PTR(ret); 3309 } 3310 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki