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Commit 5f226da1 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Joerg Roedel
Browse files

iommu/amd: Use dev_printk() when possible 



Use dev_printk() when possible so the IOMMU messages are more consistent
with other messages related to the device.

Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 5a63f0ad

drivers/iommu/amd_iommu.c

+12 −14
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
 */



#define pr_fmt(fmt)     "AMD-Vi: " fmt

#define dev_fmt(fmt)    pr_fmt(fmt)



#include <linux/ratelimit.h>

#include <linux/pci.h>
@@ -279,10 +280,10 @@ static u16 get_alias(struct device *dev) 
		return pci_alias;

	}



	pr_info("Using IVRS reported alias %02x:%02x.%d "

		"for device %s[%04x:%04x], kernel reported alias "

	pci_info(pdev, "Using IVRS reported alias %02x:%02x.%d "

		"for device [%04x:%04x], kernel reported alias "

		"%02x:%02x.%d\n", PCI_BUS_NUM(ivrs_alias), PCI_SLOT(ivrs_alias),

		PCI_FUNC(ivrs_alias), dev_name(dev), pdev->vendor, pdev->device,

		PCI_FUNC(ivrs_alias), pdev->vendor, pdev->device,

		PCI_BUS_NUM(pci_alias), PCI_SLOT(pci_alias),

		PCI_FUNC(pci_alias));
@@ -293,9 +294,8 @@ static u16 get_alias(struct device *dev) 
	if (pci_alias == devid &&

	    PCI_BUS_NUM(ivrs_alias) == pdev->bus->number) {

		pci_add_dma_alias(pdev, ivrs_alias & 0xff);

		pr_info("Added PCI DMA alias %02x.%d for %s\n",

			PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias),

			dev_name(dev));

		pci_info(pdev, "Added PCI DMA alias %02x.%d\n",

			PCI_SLOT(ivrs_alias), PCI_FUNC(ivrs_alias));

	}



	return ivrs_alias;
@@ -545,7 +545,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id, 
		dev_data = get_dev_data(&pdev->dev);



	if (dev_data && __ratelimit(&dev_data->rs)) {

		dev_err(&pdev->dev, "Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%llx flags=0x%04x]\n",

		pci_err(pdev, "Event logged [IO_PAGE_FAULT domain=0x%04x address=0x%llx flags=0x%04x]\n",

			domain_id, address, flags);

	} else if (printk_ratelimit()) {

		pr_err("Event logged [IO_PAGE_FAULT device=%02x:%02x.%x domain=0x%04x address=0x%llx flags=0x%04x]\n",
@@ -2251,8 +2251,7 @@ static int amd_iommu_add_device(struct device *dev) 
	ret = iommu_init_device(dev);

	if (ret) {

		if (ret != -ENOTSUPP)

			pr_err("Failed to initialize device %s - trying to proceed anyway\n",

				dev_name(dev));

			dev_err(dev, "Failed to initialize - trying to proceed anyway\n");



		iommu_ignore_device(dev);

		dev->dma_ops = NULL;
@@ -2605,8 +2604,8 @@ static int map_sg(struct device *dev, struct scatterlist *sglist, 
	return nelems;



out_unmap:

	pr_err("%s: IOMMU mapping error in %s (io-pages: %d) reason: %d\n",

	       dev_name(dev), __func__, npages, ret);

	dev_err(dev, "IOMMU mapping error in map_sg (io-pages: %d reason: %d)\n",

		npages, ret);



	for_each_sg(sglist, s, nelems, i) {

		int j, pages = iommu_num_pages(sg_phys(s), s->length, PAGE_SIZE);
@@ -2800,7 +2799,7 @@ static int init_reserved_iova_ranges(void) 
					   IOVA_PFN(r->start),

					   IOVA_PFN(r->end));

			if (!val) {

				pr_err("Reserve pci-resource range failed\n");

				pci_err(pdev, "Reserve pci-resource range %pR failed\n", r);

				return -ENOMEM;

			}

		}
@@ -3170,8 +3169,7 @@ static void amd_iommu_get_resv_regions(struct device *dev, 
						 length, prot,

						 IOMMU_RESV_DIRECT);

		if (!region) {

			pr_err("Out of memory allocating dm-regions for %s\n",

				dev_name(dev));

			dev_err(dev, "Out of memory allocating dm-regions\n");

			return;

		}

		list_add_tail(&region->list, head);

drivers/iommu/amd_iommu_init.c

+10 −10
Original line number Diff line number Diff line
@@ -18,6 +18,7 @@ 
 */



#define pr_fmt(fmt)     "AMD-Vi: " fmt

#define dev_fmt(fmt)    pr_fmt(fmt)



#include <linux/pci.h>

#include <linux/acpi.h>
@@ -1457,8 +1458,7 @@ static void amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) 
	pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8));



	pci_write_config_dword(iommu->dev, 0xf4, value | 0x4);

	pr_info("Applying erratum 746 workaround for IOMMU at %s\n",

		dev_name(&iommu->dev->dev));

	pci_info(iommu->dev, "Applying erratum 746 workaround\n");



	/* Clear the enable writing bit */

	pci_write_config_dword(iommu->dev, 0xf0, 0x90);
@@ -1488,8 +1488,7 @@ static void amd_iommu_ats_write_check_workaround(struct amd_iommu *iommu) 
	/* Set L2_DEBUG_3[AtsIgnoreIWDis] = 1 */

	iommu_write_l2(iommu, 0x47, value | BIT(0));



	pr_info("Applying ATS write check workaround for IOMMU at %s\n",

		dev_name(&iommu->dev->dev));

	pci_info(iommu->dev, "Applying ATS write check workaround\n");

}



/*
@@ -1665,6 +1664,7 @@ static int iommu_pc_get_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr, 


static void init_iommu_perf_ctr(struct amd_iommu *iommu)

{

	struct pci_dev *pdev = iommu->dev;

	u64 val = 0xabcd, val2 = 0;



	if (!iommu_feature(iommu, FEATURE_PC))
@@ -1676,12 +1676,12 @@ static void init_iommu_perf_ctr(struct amd_iommu *iommu) 
	if ((iommu_pc_get_set_reg(iommu, 0, 0, 0, &val, true)) ||

	    (iommu_pc_get_set_reg(iommu, 0, 0, 0, &val2, false)) ||

	    (val != val2)) {

		pr_err("Unable to write to IOMMU perf counter.\n");

		pci_err(pdev, "Unable to write to IOMMU perf counter.\n");

		amd_iommu_pc_present = false;

		return;

	}



	pr_info("IOMMU performance counters supported\n");

	pci_info(pdev, "IOMMU performance counters supported\n");



	val = readl(iommu->mmio_base + MMIO_CNTR_CONF_OFFSET);

	iommu->max_banks = (u8) ((val >> 12) & 0x3f);
@@ -1840,13 +1840,13 @@ static void print_iommu_info(void) 
	struct amd_iommu *iommu;



	for_each_iommu(iommu) {

		struct pci_dev *pdev = iommu->dev;

		int i;



		pr_info("Found IOMMU at %s cap 0x%hx\n",

			dev_name(&iommu->dev->dev), iommu->cap_ptr);

		pci_info(pdev, "Found IOMMU cap 0x%hx\n", iommu->cap_ptr);



		if (iommu->cap & (1 << IOMMU_CAP_EFR)) {

			pr_info("Extended features (%#llx):\n",

			pci_info(pdev, "Extended features (%#llx):\n",

				 iommu->features);

			for (i = 0; i < ARRAY_SIZE(feat_str); ++i) {

				if (iommu_feature(iommu, (1ULL << i)))