diff options
author | Joerg Roedel <jroedel@suse.de> | 2015-06-12 07:57:06 (GMT) |
---|---|---|
committer | Joerg Roedel <jroedel@suse.de> | 2015-06-16 08:59:33 (GMT) |
commit | 9f10e5bf62f7b9937afeee8ff0a491f87438e2a2 (patch) | |
tree | 3201710581963ec837e3a08239ac965cee6d5c09 /drivers | |
parent | 0f57d86787d8b1076ea8f9cbdddda2a46d534a27 (diff) | |
download | linux-9f10e5bf62f7b9937afeee8ff0a491f87438e2a2.tar.xz |
iommu/vt-d: Cleanup log messages
Give them a common prefix that can be grepped for and
improve the wording here and there.
Tested-by: ZhenHua Li <zhen-hual@hp.com>
Tested-by: Baoquan He <bhe@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/iommu/dmar.c | 28 | ||||
-rw-r--r-- | drivers/iommu/intel-iommu.c | 154 | ||||
-rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 29 |
3 files changed, 101 insertions, 110 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 9847613..c588658 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -26,7 +26,7 @@ * These routines are used by both DMA-remapping and Interrupt-remapping */ -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt /* has to precede printk.h */ +#define pr_fmt(fmt) "DMAR: " fmt #include <linux/pci.h> #include <linux/dmar.h> @@ -555,7 +555,7 @@ static int dmar_walk_remapping_entries(struct acpi_dmar_header *start, break; } else if (next > end) { /* Avoid passing table end */ - pr_warn(FW_BUG "record passes table end\n"); + pr_warn(FW_BUG "Record passes table end\n"); ret = -EINVAL; break; } @@ -802,7 +802,7 @@ int __init dmar_table_init(void) ret = parse_dmar_table(); if (ret < 0) { if (ret != -ENODEV) - pr_info("parse DMAR table failure.\n"); + pr_info("Parse DMAR table failure.\n"); } else if (list_empty(&dmar_drhd_units)) { pr_info("No DMAR devices found\n"); ret = -ENODEV; @@ -847,7 +847,7 @@ dmar_validate_one_drhd(struct acpi_dmar_header *entry, void *arg) else addr = early_ioremap(drhd->address, VTD_PAGE_SIZE); if (!addr) { - pr_warn("IOMMU: can't validate: %llx\n", drhd->address); + pr_warn("Can't validate DRHD address: %llx\n", drhd->address); return -EINVAL; } @@ -921,14 +921,14 @@ static int map_iommu(struct intel_iommu *iommu, u64 phys_addr) iommu->reg_size = VTD_PAGE_SIZE; if (!request_mem_region(iommu->reg_phys, iommu->reg_size, iommu->name)) { - pr_err("IOMMU: can't reserve memory\n"); + pr_err("Can't reserve memory\n"); err = -EBUSY; goto out; } iommu->reg = ioremap(iommu->reg_phys, iommu->reg_size); if (!iommu->reg) { - pr_err("IOMMU: can't map the region\n"); + pr_err("Can't map the region\n"); err = -ENOMEM; goto release; } @@ -952,13 +952,13 @@ static int map_iommu(struct intel_iommu *iommu, u64 phys_addr) iommu->reg_size = map_size; if (!request_mem_region(iommu->reg_phys, iommu->reg_size, iommu->name)) { - pr_err("IOMMU: can't reserve memory\n"); + pr_err("Can't reserve memory\n"); err = -EBUSY; goto out; } iommu->reg = ioremap(iommu->reg_phys, iommu->reg_size); if (!iommu->reg) { - pr_err("IOMMU: can't map the region\n"); + pr_err("Can't map the region\n"); err = -ENOMEM; goto release; } @@ -1014,14 +1014,14 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) return -ENOMEM; if (dmar_alloc_seq_id(iommu) < 0) { - pr_err("IOMMU: failed to allocate seq_id\n"); + pr_err("Failed to allocate seq_id\n"); err = -ENOSPC; goto error; } err = map_iommu(iommu, drhd->reg_base_addr); if (err) { - pr_err("IOMMU: failed to map %s\n", iommu->name); + pr_err("Failed to map %s\n", iommu->name); goto error_free_seq_id; } @@ -1045,8 +1045,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) iommu->node = -1; ver = readl(iommu->reg + DMAR_VER_REG); - pr_info("IOMMU %d: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n", - iommu->seq_id, + pr_info("%s: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n", + iommu->name, (unsigned long long)drhd->reg_base_addr, DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver), (unsigned long long)iommu->cap, @@ -1644,7 +1644,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) irq = dmar_alloc_hwirq(); if (irq <= 0) { - pr_err("IOMMU: no free vectors\n"); + pr_err("No free IRQ vectors\n"); return -EINVAL; } @@ -1661,7 +1661,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu); if (ret) - pr_err("IOMMU: can't request irq\n"); + pr_err("Can't request irq\n"); return ret; } diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 5ecfaf2..4faec33 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -15,8 +15,11 @@ * Shaohua Li <shaohua.li@intel.com>, * Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>, * Fenghua Yu <fenghua.yu@intel.com> + * Joerg Roedel <jroedel@suse.de> */ +#define pr_fmt(fmt) "DMAR: " fmt + #include <linux/init.h> #include <linux/bitmap.h> #include <linux/debugfs.h> @@ -453,25 +456,21 @@ static int __init intel_iommu_setup(char *str) while (*str) { if (!strncmp(str, "on", 2)) { dmar_disabled = 0; - printk(KERN_INFO "Intel-IOMMU: enabled\n"); + pr_info("IOMMU enabled\n"); } else if (!strncmp(str, "off", 3)) { dmar_disabled = 1; - printk(KERN_INFO "Intel-IOMMU: disabled\n"); + pr_info("IOMMU disabled\n"); } else if (!strncmp(str, "igfx_off", 8)) { dmar_map_gfx = 0; - printk(KERN_INFO - "Intel-IOMMU: disable GFX device mapping\n"); + pr_info("Disable GFX device mapping\n"); } else if (!strncmp(str, "forcedac", 8)) { - printk(KERN_INFO - "Intel-IOMMU: Forcing DAC for PCI devices\n"); + pr_info("Forcing DAC for PCI devices\n"); dmar_forcedac = 1; } else if (!strncmp(str, "strict", 6)) { - printk(KERN_INFO - "Intel-IOMMU: disable batched IOTLB flush\n"); + pr_info("Disable batched IOTLB flush\n"); intel_iommu_strict = 1; } else if (!strncmp(str, "sp_off", 6)) { - printk(KERN_INFO - "Intel-IOMMU: disable supported super page\n"); + pr_info("Disable supported super page\n"); intel_iommu_superpage = 0; } else if (!strncmp(str, "ecs_off", 7)) { printk(KERN_INFO @@ -1132,7 +1131,7 @@ static int iommu_alloc_root_entry(struct intel_iommu *iommu) root = (struct root_entry *)alloc_pgtable_page(iommu->node); if (!root) { - pr_err("IOMMU: allocating root entry for %s failed\n", + pr_err("Allocating root entry for %s failed\n", iommu->name); return -ENOMEM; } @@ -1270,9 +1269,9 @@ static void __iommu_flush_iotlb(struct intel_iommu *iommu, u16 did, /* check IOTLB invalidation granularity */ if (DMA_TLB_IAIG(val) == 0) - printk(KERN_ERR"IOMMU: flush IOTLB failed\n"); + pr_err("Flush IOTLB failed\n"); if (DMA_TLB_IAIG(val) != DMA_TLB_IIRG(type)) - pr_debug("IOMMU: tlb flush request %Lx, actual %Lx\n", + pr_debug("TLB flush request %Lx, actual %Lx\n", (unsigned long long)DMA_TLB_IIRG(type), (unsigned long long)DMA_TLB_IAIG(val)); } @@ -1443,8 +1442,8 @@ static int iommu_init_domains(struct intel_iommu *iommu) unsigned long nlongs; ndomains = cap_ndoms(iommu->cap); - pr_debug("IOMMU%d: Number of Domains supported <%ld>\n", - iommu->seq_id, ndomains); + pr_debug("%s: Number of Domains supported <%ld>\n", + iommu->name, ndomains); nlongs = BITS_TO_LONGS(ndomains); spin_lock_init(&iommu->lock); @@ -1454,15 +1453,15 @@ static int iommu_init_domains(struct intel_iommu *iommu) */ iommu->domain_ids = kcalloc(nlongs, sizeof(unsigned long), GFP_KERNEL); if (!iommu->domain_ids) { - pr_err("IOMMU%d: allocating domain id array failed\n", - iommu->seq_id); + pr_err("%s: Allocating domain id array failed\n", + iommu->name); return -ENOMEM; } iommu->domains = kcalloc(ndomains, sizeof(struct dmar_domain *), GFP_KERNEL); if (!iommu->domains) { - pr_err("IOMMU%d: allocating domain array failed\n", - iommu->seq_id); + pr_err("%s: Allocating domain array failed\n", + iommu->name); kfree(iommu->domain_ids); iommu->domain_ids = NULL; return -ENOMEM; @@ -1567,7 +1566,7 @@ static int iommu_attach_domain(struct dmar_domain *domain, num = __iommu_attach_domain(domain, iommu); spin_unlock_irqrestore(&iommu->lock, flags); if (num < 0) - pr_err("IOMMU: no free domain ids\n"); + pr_err("%s: No free domain ids\n", iommu->name); return num; } @@ -1659,7 +1658,7 @@ static int dmar_init_reserved_ranges(void) iova = reserve_iova(&reserved_iova_list, IOVA_PFN(IOAPIC_RANGE_START), IOVA_PFN(IOAPIC_RANGE_END)); if (!iova) { - printk(KERN_ERR "Reserve IOAPIC range failed\n"); + pr_err("Reserve IOAPIC range failed\n"); return -ENODEV; } @@ -1675,7 +1674,7 @@ static int dmar_init_reserved_ranges(void) IOVA_PFN(r->start), IOVA_PFN(r->end)); if (!iova) { - printk(KERN_ERR "Reserve iova failed\n"); + pr_err("Reserve iova failed\n"); return -ENODEV; } } @@ -1722,7 +1721,7 @@ static int domain_init(struct dmar_domain *domain, int guest_width) sagaw = cap_sagaw(iommu->cap); if (!test_bit(agaw, &sagaw)) { /* hardware doesn't support it, choose a bigger one */ - pr_debug("IOMMU: hardware doesn't support agaw %d\n", agaw); + pr_debug("Hardware doesn't support agaw %d\n", agaw); agaw = find_next_bit(&sagaw, 5, agaw); if (agaw >= 5) return -ENODEV; @@ -1823,7 +1822,7 @@ static int domain_context_mapping_one(struct dmar_domain *domain, id = iommu_attach_vm_domain(domain, iommu); if (id < 0) { spin_unlock_irqrestore(&iommu->lock, flags); - pr_err("IOMMU: no free domain ids\n"); + pr_err("%s: No free domain ids\n", iommu->name); return -EFAULT; } } @@ -2050,8 +2049,8 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn, tmp = cmpxchg64_local(&pte->val, 0ULL, pteval); if (tmp) { static int dumps = 5; - printk(KERN_CRIT "ERROR: DMA PTE for vPFN 0x%lx already set (to %llx not %llx)\n", - iov_pfn, tmp, (unsigned long long)pteval); + pr_crit("ERROR: DMA PTE for vPFN 0x%lx already set (to %llx not %llx)\n", + iov_pfn, tmp, (unsigned long long)pteval); if (dumps) { dumps--; debug_dma_dump_mappings(NULL); @@ -2323,7 +2322,7 @@ static int iommu_domain_identity_map(struct dmar_domain *domain, if (!reserve_iova(&domain->iovad, dma_to_mm_pfn(first_vpfn), dma_to_mm_pfn(last_vpfn))) { - printk(KERN_ERR "IOMMU: reserve iova failed\n"); + pr_err("Reserving iova failed\n"); return -ENOMEM; } @@ -2356,15 +2355,14 @@ static int iommu_prepare_identity_map(struct device *dev, range which is reserved in E820, so which didn't get set up to start with in si_domain */ if (domain == si_domain && hw_pass_through) { - printk("Ignoring identity map for HW passthrough device %s [0x%Lx - 0x%Lx]\n", - dev_name(dev), start, end); + pr_warn("Ignoring identity map for HW passthrough device %s [0x%Lx - 0x%Lx]\n", + dev_name(dev), start, end); return 0; } - printk(KERN_INFO - "IOMMU: Setting identity map for device %s [0x%Lx - 0x%Lx]\n", - dev_name(dev), start, end); - + pr_info("Setting identity map for device %s [0x%Lx - 0x%Lx]\n", + dev_name(dev), start, end); + if (end < start) { WARN(1, "Your BIOS is broken; RMRR ends before it starts!\n" "BIOS vendor: %s; Ver: %s; Product Version: %s\n", @@ -2421,12 +2419,11 @@ static inline void iommu_prepare_isa(void) if (!pdev) return; - printk(KERN_INFO "IOMMU: Prepare 0-16MiB unity mapping for LPC\n"); + pr_info("Prepare 0-16MiB unity mapping for LPC\n"); ret = iommu_prepare_identity_map(&pdev->dev, 0, 16*1024*1024 - 1); if (ret) - printk(KERN_ERR "IOMMU: Failed to create 0-16MiB identity map; " - "floppy might not work\n"); + pr_err("Failed to create 0-16MiB identity map - floppy might not work\n"); pci_dev_put(pdev); } @@ -2470,7 +2467,7 @@ static int __init si_domain_init(int hw) return -EFAULT; } - pr_debug("IOMMU: identity mapping domain is domain %d\n", + pr_debug("Identity mapping domain is domain %d\n", si_domain->id); if (hw) @@ -2670,8 +2667,8 @@ static int __init dev_prepare_static_identity_mapping(struct device *dev, int hw hw ? CONTEXT_TT_PASS_THROUGH : CONTEXT_TT_MULTI_LEVEL); if (!ret) - pr_info("IOMMU: %s identity mapping for device %s\n", - hw ? "hardware" : "software", dev_name(dev)); + pr_info("%s identity mapping for device %s\n", + hw ? "Hardware" : "Software", dev_name(dev)); else if (ret == -ENODEV) /* device not associated with an iommu */ ret = 0; @@ -2748,12 +2745,12 @@ static void intel_iommu_init_qi(struct intel_iommu *iommu) */ iommu->flush.flush_context = __iommu_flush_context; iommu->flush.flush_iotlb = __iommu_flush_iotlb; - pr_info("IOMMU: %s using Register based invalidation\n", + pr_info("%s: Using Register based invalidation\n", iommu->name); } else { iommu->flush.flush_context = qi_flush_context; iommu->flush.flush_iotlb = qi_flush_iotlb; - pr_info("IOMMU: %s using Queued invalidation\n", iommu->name); + pr_info("%s: Using Queued invalidation\n", iommu->name); } } @@ -2781,8 +2778,7 @@ static int __init init_dmars(void) g_num_of_iommus++; continue; } - printk_once(KERN_ERR "intel-iommu: exceeded %d IOMMUs\n", - DMAR_UNITS_SUPPORTED); + pr_err_once("Exceeded %d IOMMUs\n", DMAR_UNITS_SUPPORTED); } /* Preallocate enough resources for IOMMU hot-addition */ @@ -2792,7 +2788,7 @@ static int __init init_dmars(void) g_iommus = kcalloc(g_num_of_iommus, sizeof(struct intel_iommu *), GFP_KERNEL); if (!g_iommus) { - printk(KERN_ERR "Allocating global iommu array failed\n"); + pr_err("Allocating global iommu array failed\n"); ret = -ENOMEM; goto error; } @@ -2843,7 +2839,7 @@ static int __init init_dmars(void) if (iommu_identity_mapping) { ret = iommu_prepare_static_identity_mapping(hw_pass_through); if (ret) { - printk(KERN_CRIT "Failed to setup IOMMU pass-through\n"); + pr_crit("Failed to setup IOMMU pass-through\n"); goto free_iommu; } } @@ -2861,15 +2857,14 @@ static int __init init_dmars(void) * endfor * endfor */ - printk(KERN_INFO "IOMMU: Setting RMRR:\n"); + pr_info("Setting RMRR:\n"); for_each_rmrr_units(rmrr) { /* some BIOS lists non-exist devices in DMAR table. */ for_each_active_dev_scope(rmrr->devices, rmrr->devices_cnt, i, dev) { ret = iommu_prepare_rmrr_dev(rmrr, dev); if (ret) - printk(KERN_ERR - "IOMMU: mapping reserved region failed\n"); + pr_err("Mapping reserved region failed\n"); } } @@ -2944,7 +2939,7 @@ static struct iova *intel_alloc_iova(struct device *dev, } iova = alloc_iova(&domain->iovad, nrpages, IOVA_PFN(dma_mask), 1); if (unlikely(!iova)) { - printk(KERN_ERR "Allocating %ld-page iova for %s failed", + pr_err("Allocating %ld-page iova for %s failed", nrpages, dev_name(dev)); return NULL; } @@ -2959,7 +2954,7 @@ static struct dmar_domain *__get_valid_domain_for_dev(struct device *dev) domain = get_domain_for_dev(dev, DEFAULT_DOMAIN_ADDRESS_WIDTH); if (!domain) { - printk(KERN_ERR "Allocating domain for %s failed", + pr_err("Allocating domain for %s failed\n", dev_name(dev)); return NULL; } @@ -2968,7 +2963,7 @@ static struct dmar_domain *__get_valid_domain_for_dev(struct device *dev) if (unlikely(!domain_context_mapped(dev))) { ret = domain_context_mapping(domain, dev, CONTEXT_TT_MULTI_LEVEL); if (ret) { - printk(KERN_ERR "Domain context map for %s failed", + pr_err("Domain context map for %s failed\n", dev_name(dev)); return NULL; } @@ -3010,8 +3005,8 @@ static int iommu_no_mapping(struct device *dev) * to non-identity mapping. */ domain_remove_one_dev_info(si_domain, dev); - printk(KERN_INFO "32bit %s uses non-identity mapping\n", - dev_name(dev)); + pr_info("32bit %s uses non-identity mapping\n", + dev_name(dev)); return 0; } } else { @@ -3026,8 +3021,8 @@ static int iommu_no_mapping(struct device *dev) CONTEXT_TT_PASS_THROUGH : CONTEXT_TT_MULTI_LEVEL); if (!ret) { - printk(KERN_INFO "64bit %s uses identity mapping\n", - dev_name(dev)); + pr_info("64bit %s uses identity mapping\n", + dev_name(dev)); return 1; } } @@ -3096,7 +3091,7 @@ static dma_addr_t __intel_map_single(struct device *dev, phys_addr_t paddr, error: if (iova) __free_iova(&domain->iovad, iova); - printk(KERN_ERR"Device %s request: %zx@%llx dir %d --- failed\n", + pr_err("Device %s request: %zx@%llx dir %d --- failed\n", dev_name(dev), size, (unsigned long long)paddr, dir); return 0; } @@ -3411,7 +3406,7 @@ static inline int iommu_domain_cache_init(void) NULL); if (!iommu_domain_cache) { - printk(KERN_ERR "Couldn't create iommu_domain cache\n"); + pr_err("Couldn't create iommu_domain cache\n"); ret = -ENOMEM; } @@ -3428,7 +3423,7 @@ static inline int iommu_devinfo_cache_init(void) SLAB_HWCACHE_ALIGN, NULL); if (!iommu_devinfo_cache) { - printk(KERN_ERR "Couldn't create devinfo cache\n"); + pr_err("Couldn't create devinfo cache\n"); ret = -ENOMEM; } @@ -3805,19 +3800,19 @@ static int intel_iommu_add(struct dmar_drhd_unit *dmaru) return 0; if (hw_pass_through && !ecap_pass_through(iommu->ecap)) { - pr_warn("IOMMU: %s doesn't support hardware pass through.\n", + pr_warn("%s: Doesn't support hardware pass through.\n", iommu->name); return -ENXIO; } if (!ecap_sc_support(iommu->ecap) && domain_update_iommu_snooping(iommu)) { - pr_warn("IOMMU: %s doesn't support snooping.\n", + pr_warn("%s: Doesn't support snooping.\n", iommu->name); return -ENXIO; } sp = domain_update_iommu_superpage(iommu) - 1; if (sp >= 0 && !(cap_super_page_val(iommu->cap) & (1 << sp))) { - pr_warn("IOMMU: %s doesn't support large page.\n", + pr_warn("%s: Doesn't support large page.\n", iommu->name); return -ENXIO; } @@ -4048,7 +4043,7 @@ static int intel_iommu_memory_notifier(struct notifier_block *nb, start = mhp->start_pfn << PAGE_SHIFT; end = ((mhp->start_pfn + mhp->nr_pages) << PAGE_SHIFT) - 1; if (iommu_domain_identity_map(si_domain, start, end)) { - pr_warn("dmar: failed to build identity map for [%llx-%llx]\n", + pr_warn("Failed to build identity map for [%llx-%llx]\n", start, end); return NOTIFY_BAD; } @@ -4066,7 +4061,7 @@ static int intel_iommu_memory_notifier(struct notifier_block *nb, iova = find_iova(&si_domain->iovad, start_vpfn); if (iova == NULL) { - pr_debug("dmar: failed get IOVA for PFN %lx\n", + pr_debug("Failed get IOVA for PFN %lx\n", start_vpfn); break; } @@ -4074,7 +4069,7 @@ static int intel_iommu_memory_notifier(struct notifier_block *nb, iova = split_and_remove_iova(&si_domain->iovad, iova, start_vpfn, last_vpfn); if (iova == NULL) { - pr_warn("dmar: failed to split IOVA PFN [%lx-%lx]\n", + pr_warn("Failed to split IOVA PFN [%lx-%lx]\n", start_vpfn, last_vpfn); return NOTIFY_BAD; } @@ -4200,10 +4195,10 @@ int __init intel_iommu_init(void) goto out_free_dmar; if (list_empty(&dmar_rmrr_units)) - printk(KERN_INFO "DMAR: No RMRR found\n"); + pr_info("No RMRR found\n"); if (list_empty(&dmar_atsr_units)) - printk(KERN_INFO "DMAR: No ATSR found\n"); + pr_info("No ATSR found\n"); if (dmar_init_reserved_ranges()) { if (force_on) @@ -4217,12 +4212,11 @@ int __init intel_iommu_init(void) if (ret) { if (force_on) panic("tboot: Failed to initialize DMARs\n"); - printk(KERN_ERR "IOMMU: dmar init failed\n"); + pr_err("Initialization failed\n"); goto out_free_reserved_range; } up_write(&dmar_global_lock); - printk(KERN_INFO - "PCI-DMA: Intel(R) Virtualization Technology for Directed I/O\n"); + pr_info("Intel(R) Virtualization Technology for Directed I/O\n"); init_timer(&unmap_timer); #ifdef CONFIG_SWIOTLB @@ -4364,13 +4358,11 @@ static struct iommu_domain *intel_iommu_domain_alloc(unsigned type) dmar_domain = alloc_domain(DOMAIN_FLAG_VIRTUAL_MACHINE); if (!dmar_domain) { - printk(KERN_ERR - "intel_iommu_domain_init: dmar_domain == NULL\n"); + pr_err("Can't allocate dmar_domain\n"); return NULL; } if (md_domain_init(dmar_domain, DEFAULT_DOMAIN_ADDRESS_WIDTH)) { - printk(KERN_ERR - "intel_iommu_domain_init() failed\n"); + pr_err("Domain initialization failed\n"); domain_exit(dmar_domain); return NULL; } @@ -4429,7 +4421,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain, addr_width = cap_mgaw(iommu->cap); if (dmar_domain->max_addr > (1LL << addr_width)) { - printk(KERN_ERR "%s: iommu width (%d) is not " + pr_err("%s: iommu width (%d) is not " "sufficient for the mapped address (%llx)\n", __func__, addr_width, dmar_domain->max_addr); return -EFAULT; @@ -4483,7 +4475,7 @@ static int intel_iommu_map(struct iommu_domain *domain, /* check if minimum agaw is sufficient for mapped address */ end = __DOMAIN_MAX_ADDR(dmar_domain->gaw) + 1; if (end < max_addr) { - printk(KERN_ERR "%s: iommu width (%d) is not " + pr_err("%s: iommu width (%d) is not " "sufficient for the mapped address (%llx)\n", __func__, dmar_domain->gaw, max_addr); return -EFAULT; @@ -4624,7 +4616,7 @@ static const struct iommu_ops intel_iommu_ops = { static void quirk_iommu_g4x_gfx(struct pci_dev *dev) { /* G4x/GM45 integrated gfx dmar support is totally busted. */ - printk(KERN_INFO "DMAR: Disabling IOMMU for graphics on this chipset\n"); + pr_info("Disabling IOMMU for graphics on this chipset\n"); dmar_map_gfx = 0; } @@ -4642,7 +4634,7 @@ static void quirk_iommu_rwbf(struct pci_dev *dev) * Mobile 4 Series Chipset neglects to set RWBF capability, * but needs it. Same seems to hold for the desktop versions. */ - printk(KERN_INFO "DMAR: Forcing write-buffer flush capability\n"); + pr_info("Forcing write-buffer flush capability\n"); rwbf_quirk = 1; } @@ -4672,11 +4664,11 @@ static void quirk_calpella_no_shadow_gtt(struct pci_dev *dev) return; if (!(ggc & GGC_MEMORY_VT_ENABLED)) { - printk(KERN_INFO "DMAR: BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n"); + pr_info("BIOS has allocated no shadow GTT; disabling IOMMU for graphics\n"); dmar_map_gfx = 0; } else if (dmar_map_gfx) { /* we have to ensure the gfx device is idle before we flush */ - printk(KERN_INFO "DMAR: Disabling batched IOTLB flush on Ironlake\n"); + pr_info("Disabling batched IOTLB flush on Ironlake\n"); intel_iommu_strict = 1; } } @@ -4738,7 +4730,7 @@ static void __init check_tylersburg_isoch(void) iommu_identity_mapping |= IDENTMAP_AZALIA; return; } - - printk(KERN_WARNING "DMAR: Recommended TLB entries for ISOCH unit is 16; your BIOS set %d\n", + + pr_warn("Recommended TLB entries for ISOCH unit is 16; your BIOS set %d\n", vtisochctrl); } diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 5709ae9..3fe3fc7 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -1,3 +1,6 @@ + +#define pr_fmt(fmt) "DMAR-IR: " fmt + #include <linux/interrupt.h> #include <linux/dmar.h> #include <linux/spinlock.h> @@ -100,8 +103,7 @@ static int alloc_irte(struct intel_iommu *iommu, int irq, u16 count) } if (mask > ecap_max_handle_mask(iommu->ecap)) { - printk(KERN_ERR - "Requested mask %x exceeds the max invalidation handle" + pr_err("Requested mask %x exceeds the max invalidation handle" " mask value %Lx\n", mask, ecap_max_handle_mask(iommu->ecap)); return -1; @@ -333,7 +335,7 @@ static int set_ioapic_sid(struct irte *irte, int apic) up_read(&dmar_global_lock); if (sid == 0) { - pr_warning("Failed to set source-id of IOAPIC (%d)\n", apic); + pr_warn("Failed to set source-id of IOAPIC (%d)\n", apic); return -1; } @@ -360,7 +362,7 @@ static int set_hpet_sid(struct irte *irte, u8 id) up_read(&dmar_global_lock); if (sid == 0) { - pr_warning("Failed to set source-id of HPET block (%d)\n", id); + pr_warn("Failed to set source-id of HPET block (%d)\n", id); return -1; } @@ -580,7 +582,7 @@ static void __init intel_cleanup_irq_remapping(void) } if (x2apic_supported()) - pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n"); + pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n"); } static int __init intel_prepare_irq_remapping(void) @@ -589,8 +591,7 @@ static int __init intel_prepare_irq_remapping(void) struct intel_iommu *iommu; if (irq_remap_broken) { - printk(KERN_WARNING - "This system BIOS has enabled interrupt remapping\n" + pr_warn("This system BIOS has enabled interrupt remapping\n" "on a chipset that contains an erratum making that\n" "feature unstable. To maintain system stability\n" "interrupt remapping is being disabled. Please\n" @@ -606,7 +607,7 @@ static int __init intel_prepare_irq_remapping(void) return -ENODEV; if (parse_ioapics_under_ir() != 1) { - printk(KERN_INFO "Not enabling interrupt remapping\n"); + pr_info("Not enabling interrupt remapping\n"); goto error; } @@ -667,8 +668,8 @@ static int __init intel_enable_irq_remapping(void) */ for_each_iommu(iommu, drhd) if (eim && !ecap_eim_support(iommu->ecap)) { - printk(KERN_INFO "DRHD %Lx: EIM not supported by DRHD, " - " ecap %Lx\n", drhd->reg_base_addr, iommu->ecap); + pr_info("DRHD %Lx: EIM not supported by DRHD, " + " ecap %Lx\n", drhd->reg_base_addr, iommu->ecap); eim = 0; } eim_mode = eim; @@ -682,7 +683,7 @@ static int __init intel_enable_irq_remapping(void) int ret = dmar_enable_qi(iommu); if (ret) { - printk(KERN_ERR "DRHD %Lx: failed to enable queued, " + pr_err("DRHD %Lx: failed to enable queued, " " invalidation, ecap %Lx, ret %d\n", drhd->reg_base_addr, iommu->ecap, ret); goto error; @@ -1145,14 +1146,12 @@ static int intel_msi_alloc_irq(struct pci_dev *dev, int irq, int nvec) down_read(&dmar_global_lock); iommu = map_dev_to_ir(dev); if (!iommu) { - printk(KERN_ERR - "Unable to map PCI %s to iommu\n", pci_name(dev)); + pr_err("Unable to map PCI %s to iommu\n", pci_name(dev)); index = -ENOENT; } else { index = alloc_irte(iommu, irq, nvec); if (index < 0) { - printk(KERN_ERR - "Unable to allocate %d IRTE for PCI %s\n", + pr_err("Unable to allocate %d IRTE for PCI %s\n", nvec, pci_name(dev)); index = -ENOSPC; } |