Merge tag 'v3.10' into sdk-kernel-3.10

git rebase --continue

Linux 3.10

Conflicts:
	Documentation/virtual/kvm/api.txt
	arch/ia64/kvm/Makefile
	arch/powerpc/Kconfig
	arch/powerpc/Makefile
	arch/powerpc/boot/dts/b4420qds.dts
	arch/powerpc/boot/dts/b4860qds.dts
	arch/powerpc/boot/dts/b4qds.dts
	arch/powerpc/boot/dts/fsl/b4420si-post.dtsi
	arch/powerpc/boot/dts/fsl/b4420si-pre.dtsi
	arch/powerpc/boot/dts/fsl/b4860si-post.dtsi
	arch/powerpc/boot/dts/fsl/b4860si-pre.dtsi
	arch/powerpc/boot/dts/fsl/b4si-post.dtsi
	arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
	arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
	arch/powerpc/boot/dts/fsl/p3041si-post.dtsi
	arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
	arch/powerpc/boot/dts/fsl/p5020si-post.dtsi
	arch/powerpc/boot/dts/fsl/p5040si-post.dtsi
	arch/powerpc/boot/dts/fsl/qonverge-usb2-dr-0.dtsi
	arch/powerpc/boot/dts/fsl/qoriq-sec5.0-0.dtsi
	arch/powerpc/boot/dts/fsl/t4240si-post.dtsi
	arch/powerpc/boot/dts/fsl/t4240si-pre.dtsi
	arch/powerpc/boot/dts/p1025rdb_36b.dts
	arch/powerpc/boot/dts/t4240qds.dts
	arch/powerpc/configs/corenet64_smp_defconfig
	arch/powerpc/configs/mpc85xx_defconfig
	arch/powerpc/configs/mpc85xx_smp_defconfig
	arch/powerpc/include/asm/cputable.h
	arch/powerpc/include/asm/kvm_host.h
	arch/powerpc/include/asm/kvm_ppc.h
	arch/powerpc/include/asm/machdep.h
	arch/powerpc/include/uapi/asm/kvm.h
	arch/powerpc/kernel/cpu_setup_fsl_booke.S
	arch/powerpc/kernel/cputable.c
	arch/powerpc/kernel/idle.c
	arch/powerpc/kernel/pci-common.c
	arch/powerpc/kvm/Kconfig
	arch/powerpc/kvm/book3s.c
	arch/powerpc/kvm/booke.c
	arch/powerpc/kvm/e500.c
	arch/powerpc/kvm/e500_mmu.c
	arch/powerpc/kvm/e500_mmu_host.c
	arch/powerpc/kvm/e500mc.c
	arch/powerpc/kvm/emulate.c
	arch/powerpc/kvm/irq.h
	arch/powerpc/kvm/mpic.c
	arch/powerpc/kvm/powerpc.c
	arch/powerpc/mm/tlb_nohash.c
	arch/powerpc/platforms/85xx/Kconfig
	arch/powerpc/platforms/85xx/b4_qds.c
	arch/powerpc/platforms/85xx/t4240_qds.c
	arch/powerpc/platforms/pseries/smp.c
	arch/powerpc/sysdev/fsl_85xx_l2ctlr.c
	arch/powerpc/sysdev/fsl_msi.c
	arch/powerpc/sysdev/fsl_pci.c
	arch/powerpc/sysdev/fsl_pci.h
	arch/powerpc/sysdev/mpic.c
	arch/x86/kvm/Makefile
	arch/x86/kvm/x86.c
	drivers/Kconfig
	drivers/clk/Kconfig
	drivers/cpufreq/Makefile
	drivers/crypto/caam/caamalg.c
	drivers/crypto/caam/intern.h
	drivers/crypto/caam/jr.c
	drivers/crypto/caam/regs.h
	drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
	drivers/iommu/Makefile
	drivers/iommu/amd_iommu.c
	drivers/iommu/exynos-iommu.c
	drivers/iommu/intel-iommu.c
	drivers/iommu/iommu.c
	drivers/iommu/msm_iommu.c
	drivers/iommu/omap-iommu.c
	drivers/iommu/tegra-gart.c
	drivers/iommu/tegra-smmu.c
	drivers/misc/Makefile
	drivers/mmc/card/block.c
	drivers/mmc/card/queue.c
	drivers/mmc/core/core.c
	drivers/mtd/nand/fsl_ifc_nand.c
	drivers/net/ethernet/3com/3c501.c
	drivers/net/ethernet/8390/3c503.c
	drivers/net/ethernet/dec/ewrk3.c
	drivers/net/ethernet/freescale/fec.c
	drivers/net/ethernet/freescale/gianfar.c
	drivers/net/ethernet/freescale/gianfar.h
	drivers/net/ethernet/i825xx/3c505.c
	drivers/net/ethernet/i825xx/3c507.c
	drivers/rtc/rtc-ds3232.c
	drivers/s390/net/qeth_core_main.c
	drivers/staging/Kconfig
	drivers/staging/Makefile
	drivers/staging/ccg/u_ether.c
	drivers/usb/gadget/fsl_udc_core.c
	drivers/usb/otg/fsl_otg.c
	drivers/vfio/vfio.c
	drivers/watchdog/Kconfig
	include/linux/iommu.h
	include/linux/kvm_host.h
	include/linux/mmc/sdhci.h
	include/linux/msi.h
	include/linux/netdev_features.h
	include/linux/pci.h
	include/linux/skbuff.h
	include/net/ip6_route.h
	include/net/sch_generic.h
	include/net/xfrm.h
	include/uapi/linux/kvm.h
	net/core/netpoll.c
	virt/kvm/irqchip.c
	virt/kvm/kvm_main.c

1 files changed, 35 insertions, 90 deletions

diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index b8b8e0b..277343c 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -26,6 +26,7 @@
 #include <asm/prom.h>
 #include <asm/pci-bridge.h>
 #include <asm/machdep.h>
+#include <asm/msi_bitmap.h>
 #include <asm/ppc-pci.h>
 #include <asm/opal.h>
 #include <asm/iommu.h>
@@ -46,44 +47,12 @@ static int pnv_msi_check_device(struct pci_dev* pdev, int nvec, int type)
 {
 	struct pci_controller *hose = pci_bus_to_host(pdev->bus);
 	struct pnv_phb *phb = hose->private_data;
+	struct pci_dn *pdn = pci_get_pdn(pdev);
 
-	return (phb && phb->msi_map) ? 0 : -ENODEV;
-}
-
-static unsigned int pnv_get_one_msi(struct pnv_phb *phb)
-{
-	unsigned long flags;
-	unsigned int id, rc;
-
-	spin_lock_irqsave(&phb->lock, flags);
-
-	id = find_next_zero_bit(phb->msi_map, phb->msi_count, phb->msi_next);
-	if (id >= phb->msi_count && phb->msi_next)
-		id = find_next_zero_bit(phb->msi_map, phb->msi_count, 0);
-	if (id >= phb->msi_count) {
-		rc = 0;
-		goto out;
-	}
-	__set_bit(id, phb->msi_map);
-	rc = id + phb->msi_base;
-out:
-	spin_unlock_irqrestore(&phb->lock, flags);
-	return rc;
-}
-
-static void pnv_put_msi(struct pnv_phb *phb, unsigned int hwirq)
-{
-	unsigned long flags;
-	unsigned int id;
-
-	if (WARN_ON(hwirq < phb->msi_base ||
-		    hwirq >= (phb->msi_base + phb->msi_count)))
-		return;
-	id = hwirq - phb->msi_base;
+	if (pdn && pdn->force_32bit_msi && !phb->msi32_support)
+		return -ENODEV;
 
-	spin_lock_irqsave(&phb->lock, flags);
-	__clear_bit(id, phb->msi_map);
-	spin_unlock_irqrestore(&phb->lock, flags);
+	return (phb && phb->msi_bmp.bitmap) ? 0 : -ENODEV;
 }
 
 static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
@@ -92,7 +61,8 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 	struct pnv_phb *phb = hose->private_data;
 	struct msi_desc *entry;
 	struct msi_msg msg;
-	unsigned int hwirq, virq;
+	int hwirq;
+	unsigned int virq;
 	int rc;
 
 	if (WARN_ON(!phb))
@@ -104,25 +74,25 @@ static int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 				pci_name(pdev));
 			return -ENXIO;
 		}
-		hwirq = pnv_get_one_msi(phb);
-		if (!hwirq) {
+		hwirq = msi_bitmap_alloc_hwirqs(&phb->msi_bmp, 1);
+		if (hwirq < 0) {
 			pr_warn("%s: Failed to find a free MSI\n",
 				pci_name(pdev));
 			return -ENOSPC;
 		}
-		virq = irq_create_mapping(NULL, hwirq);
+		virq = irq_create_mapping(NULL, phb->msi_base + hwirq);
 		if (virq == NO_IRQ) {
 			pr_warn("%s: Failed to map MSI to linux irq\n",
 				pci_name(pdev));
-			pnv_put_msi(phb, hwirq);
+			msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq, 1);
 			return -ENOMEM;
 		}
-		rc = phb->msi_setup(phb, pdev, hwirq, entry->msi_attrib.is_64,
-				    &msg);
+		rc = phb->msi_setup(phb, pdev, phb->msi_base + hwirq,
+				    virq, entry->msi_attrib.is_64, &msg);
 		if (rc) {
 			pr_warn("%s: Failed to setup MSI\n", pci_name(pdev));
 			irq_dispose_mapping(virq);
-			pnv_put_msi(phb, hwirq);
+			msi_bitmap_free_hwirqs(&phb->msi_bmp, hwirq, 1);
 			return rc;
 		}
 		irq_set_msi_desc(virq, entry);
@@ -144,7 +114,8 @@ static void pnv_teardown_msi_irqs(struct pci_dev *pdev)
 		if (entry->irq == NO_IRQ)
 			continue;
 		irq_set_msi_desc(entry->irq, NULL);
-		pnv_put_msi(phb, virq_to_hw(entry->irq));
+		msi_bitmap_free_hwirqs(&phb->msi_bmp,
+			virq_to_hw(entry->irq) - phb->msi_base, 1);
 		irq_dispose_mapping(entry->irq);
 	}
 }
@@ -362,48 +333,6 @@ struct pci_ops pnv_pci_ops = {
 	.write = pnv_pci_write_config,
 };
 
-
-static void pnv_tce_invalidate(struct iommu_table *tbl,
-			       u64 *startp, u64 *endp)
-{
-	u64 __iomem *invalidate = (u64 __iomem *)tbl->it_index;
-	unsigned long start, end, inc;
-
-	start = __pa(startp);
-	end = __pa(endp);
-
-
-	/* BML uses this case for p6/p7/galaxy2: Shift addr and put in node */
-	if (tbl->it_busno) {
-		start <<= 12;
-		end <<= 12;
-		inc = 128 << 12;
-		start |= tbl->it_busno;
-		end |= tbl->it_busno;
-	}
-	/* p7ioc-style invalidation, 2 TCEs per write */
-	else if (tbl->it_type & TCE_PCI_SWINV_PAIR) {
-		start |= (1ull << 63);
-		end |= (1ull << 63);
-		inc = 16;
-	}
-	/* Default (older HW) */
-	else
-		inc = 128;
-
-	end |= inc - 1;		/* round up end to be different than start */
-
-	mb(); /* Ensure above stores are visible */
-	while (start <= end) {
-		__raw_writeq(start, invalidate);
-		start += inc;
-	}
-	/* The iommu layer will do another mb() for us on build() and
-	 * we don't care on free()
-	 */
-}
-
-
 static int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
 			 unsigned long uaddr, enum dma_data_direction direction,
 			 struct dma_attrs *attrs)
@@ -428,7 +357,7 @@ static int pnv_tce_build(struct iommu_table *tbl, long index, long npages,
 	 * of flags if that becomes the case
 	 */
 	if (tbl->it_type & TCE_PCI_SWINV_CREATE)
-		pnv_tce_invalidate(tbl, tces, tcep - 1);
+		pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1);
 
 	return 0;
 }
@@ -443,7 +372,7 @@ static void pnv_tce_free(struct iommu_table *tbl, long index, long npages)
 		*(tcep++) = 0;
 
 	if (tbl->it_type & TCE_PCI_SWINV_FREE)
-		pnv_tce_invalidate(tbl, tces, tcep - 1);
+		pnv_pci_ioda_tce_invalidate(tbl, tces, tcep - 1);
 }
 
 static unsigned long pnv_tce_get(struct iommu_table *tbl, long index)
@@ -525,7 +454,19 @@ static void pnv_pci_dma_dev_setup(struct pci_dev *pdev)
 		pnv_pci_dma_fallback_setup(hose, pdev);
 }
 
-/* Fixup wrong class code in p7ioc root complex */
+void pnv_pci_shutdown(void)
+{
+	struct pci_controller *hose;
+
+	list_for_each_entry(hose, &hose_list, list_node) {
+		struct pnv_phb *phb = hose->private_data;
+
+		if (phb && phb->shutdown)
+			phb->shutdown(phb);
+	}
+}
+
+/* Fixup wrong class code in p7ioc and p8 root complex */
 static void pnv_p7ioc_rc_quirk(struct pci_dev *dev)
 {
 	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
@@ -591,6 +532,10 @@ void __init pnv_pci_init(void)
 		if (!found_ioda)
 			for_each_compatible_node(np, NULL, "ibm,p5ioc2")
 				pnv_pci_init_p5ioc2_hub(np);
+
+		/* Look for ioda2 built-in PHB3's */
+		for_each_compatible_node(np, NULL, "ibm,ioda2-phb")
+			pnv_pci_init_ioda2_phb(np);
 	}
 
 	/* Setup the linkage between OF nodes and PHBs */