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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: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Bjorn Helgaas 2019-02-08 16:05:53 -06:00 committed by Joerg Roedel
parent 5a63f0adeb
commit 5f226da1b1
2 changed files with 22 additions and 24 deletions
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26
drivers/iommu/amd_iommu.c
View File

@ -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);

20
drivers/iommu/amd_iommu_init.c
View File

@ -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);
@ -1840,14 +1840,14 @@ 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",
iommu->features);
pci_info(pdev, "Extended features (%#llx):\n",
iommu->features);
for (i = 0; i < ARRAY_SIZE(feat_str); ++i) {
if (iommu_feature(iommu, (1ULL << i)))
pr_cont(" %s", feat_str[i]);