5 files changed, 36 insertions, 22 deletions

diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c
index 7b287cb38b7a..ab99783dccec 100644
--- a/drivers/pci/dmar.c
+++ b/drivers/pci/dmar.c
@@ -33,6 +33,7 @@
 #include <linux/timer.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/tboot.h>
 
 #undef PREFIX
 #define PREFIX "DMAR:"
@@ -413,6 +414,12 @@ parse_dmar_table(void)
          */
         dmar_table_detect();
 
+        /*
+         * ACPI tables may not be DMA protected by tboot, so use DMAR copy
+         * SINIT saved in SinitMleData in TXT heap (which is DMA protected)
+         */
+        dmar_tbl = tboot_get_dmar_table(dmar_tbl);
+
         dmar = (struct acpi_table_dmar *)dmar_tbl;
         if (!dmar)
                 return -ENODEV;
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 2314ad7ee5fe..562221e11917 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -37,6 +37,7 @@
 #include <linux/iommu.h>
 #include <linux/intel-iommu.h>
 #include <linux/sysdev.h>
+#include <linux/tboot.h>
 #include <asm/cacheflush.h>
 #include <asm/iommu.h>
 #include "pci.h"
@@ -3183,12 +3184,22 @@ static int __init init_iommu_sysfs(void)
 int __init intel_iommu_init(void)
 {
         int ret = 0;
+        int force_on = 0;
 
-        if (dmar_table_init())
+        /* VT-d is required for a TXT/tboot launch, so enforce that */
+        force_on = tboot_force_iommu();
+
+        if (dmar_table_init()) {
+                if (force_on)
+                        panic("tboot: Failed to initialize DMAR table\n");
                 return  -ENODEV;
+        }
 
-        if (dmar_dev_scope_init())
+        if (dmar_dev_scope_init()) {
+                if (force_on)
+                        panic("tboot: Failed to initialize DMAR device scope\n");
                 return  -ENODEV;
+        }
 
         /*
          * Check the need for DMA-remapping initialization now.
@@ -3204,6 +3215,8 @@ int __init intel_iommu_init(void)
 
         ret = init_dmars();
         if (ret) {
+                if (force_on)
+                        panic("tboot: Failed to initialize DMARs\n");
                 printk(KERN_ERR "IOMMU: dmar init failed\n");
                 put_iova_domain(&reserved_iova_list);
                 iommu_exit_mempool();
diff --git a/drivers/pci/intr_remapping.c b/drivers/pci/intr_remapping.c
index 4f5b8712931f..44803644ca05 100644
--- a/drivers/pci/intr_remapping.c
+++ b/drivers/pci/intr_remapping.c
@@ -55,15 +55,12 @@ static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
         return desc->irq_2_iommu;
 }
 
-static struct irq_2_iommu *irq_2_iommu_alloc_node(unsigned int irq, int node)
+static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
 {
         struct irq_desc *desc;
         struct irq_2_iommu *irq_iommu;
 
-        /*
-         * alloc irq desc if not allocated already.
-         */
-        desc = irq_to_desc_alloc_node(irq, node);
+        desc = irq_to_desc(irq);
         if (!desc) {
                 printk(KERN_INFO "can not get irq_desc for %d\n", irq);
                 return NULL;
@@ -72,16 +69,11 @@ static struct irq_2_iommu *irq_2_iommu_alloc_node(unsigned int irq, int node)
         irq_iommu = desc->irq_2_iommu;
 
         if (!irq_iommu)
-                desc->irq_2_iommu = get_one_free_irq_2_iommu(node);
+                desc->irq_2_iommu = get_one_free_irq_2_iommu(irq_node(irq));
 
         return desc->irq_2_iommu;
 }
 
-static struct irq_2_iommu *irq_2_iommu_alloc(unsigned int irq)
-{
-        return irq_2_iommu_alloc_node(irq, cpu_to_node(boot_cpu_id));
-}
-
 #else /* !CONFIG_SPARSE_IRQ */
 
 static struct irq_2_iommu irq_2_iommuX[NR_IRQS];
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index ffc15e97d11c..e5d47be3c6d7 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -600,7 +600,7 @@ static void pci_pm_complete(struct device *dev)
 static int pci_pm_suspend(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
         if (pci_has_legacy_pm_support(pci_dev))
                 return pci_legacy_suspend(dev, PMSG_SUSPEND);
@@ -636,7 +636,7 @@ static int pci_pm_suspend(struct device *dev)
 static int pci_pm_suspend_noirq(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
         if (pci_has_legacy_pm_support(pci_dev))
                 return pci_legacy_suspend_late(dev, PMSG_SUSPEND);
@@ -695,7 +695,7 @@ static int pci_pm_resume_noirq(struct device *dev)
 static int pci_pm_resume(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
         int error = 0;
 
         /*
@@ -734,7 +734,7 @@ static int pci_pm_resume(struct device *dev)
 static int pci_pm_freeze(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
         if (pci_has_legacy_pm_support(pci_dev))
                 return pci_legacy_suspend(dev, PMSG_FREEZE);
@@ -801,7 +801,7 @@ static int pci_pm_thaw_noirq(struct device *dev)
 static int pci_pm_thaw(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
         int error = 0;
 
         if (pci_has_legacy_pm_support(pci_dev))
@@ -822,7 +822,7 @@ static int pci_pm_thaw(struct device *dev)
 static int pci_pm_poweroff(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
 
         if (pci_has_legacy_pm_support(pci_dev))
                 return pci_legacy_suspend(dev, PMSG_HIBERNATE);
@@ -893,7 +893,7 @@ static int pci_pm_restore_noirq(struct device *dev)
 static int pci_pm_restore(struct device *dev)
 {
         struct pci_dev *pci_dev = to_pci_dev(dev);
-        struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+        const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
         int error = 0;
 
         /*
@@ -931,7 +931,7 @@ static int pci_pm_restore(struct device *dev)
 
 #endif /* !CONFIG_HIBERNATION */
 
-struct dev_pm_ops pci_dev_pm_ops = {
+const struct dev_pm_ops pci_dev_pm_ops = {
         .prepare = pci_pm_prepare,
         .complete = pci_pm_complete,
         .suspend = pci_pm_suspend,
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 3b693942ebde..6099facecd79 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -990,7 +990,7 @@ DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_INTEL,	PCI_DEVICE_ID_INTEL_82454NX,
 
 static void __devinit quirk_amd_ide_mode(struct pci_dev *pdev)
 {
-        /* set sb600/sb700/sb800 sata to ahci mode */
+        /* set SBX00 SATA in IDE mode to AHCI mode */
         u8 tmp;
 
         pci_read_config_byte(pdev, PCI_CLASS_DEVICE, &tmp);
@@ -1009,6 +1009,8 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP600_SATA, quirk_amd_ide_mode);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
 DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_IXP700_SATA, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_SB900_SATA_IDE, quirk_amd_ide_mode);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_SB900_SATA_IDE, quirk_amd_ide_mode);
 
 /*
  *      Serverworks CSB5 IDE does not fully support native mode