Merge remote-tracking branch 'agraf/ppc-for-upstream' into staging

* agraf/ppc-for-upstream: (24 commits)
  openpic: Added BRR1 register
  pseries: Update SLOF firmware image
  pseries dma: DMA window params added to PHB and DT population changed
  pseries: Add PCI MSI/MSI-X support
  pseries: Add trace event for PCI irqs
  pseries: Export find_phb() utility function for PCI code
  pseries: added allocator for a block of IRQs
  pseries: Separate PCI RTAS setup from common from emulation specific PCI setup
  pseries: Rework irq assignment to avoid carrying qemu_irqs around
  pseries: Remove extraneous prints
  pseries: Update SLOF
  PPC: spapr: Remove global variable
  PPC: spapr: Rework VGA select logic
  xbzrle: fix compilation on ppc32
  spapr: Add support for -vga option
  Add one new file vga-pci.h and cleanup on all platforms
  Revert "PPC: e500: Use new MPIC dt format"
  ppc: Fix bug in handling of PAPR hypercall exits
  PPC: e500: add generic e500 platform
  PPC: e500: split mpc8544ds machine from generic e500 code
  ...

34 files changed, 717 insertions, 209 deletions

diff --git a/hw/alpha_pci.c b/hw/alpha_pci.c
index 673557781e..ea546f83f1 100644
--- a/hw/alpha_pci.c
+++ b/hw/alpha_pci.c
@@ -11,6 +11,7 @@
 #include "qemu-log.h"
 #include "sysemu.h"
 #include "vmware_vga.h"
+#include "vga-pci.h"
 
 
 /* PCI IO reads/writes, to byte-word addressable memory.  */
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 623dd688d9..e8dcc6b883 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -27,8 +27,8 @@
  *   available at http://home.worldonline.dk/~finth/
  */
 #include "hw.h"
-#include "pc.h"
 #include "pci.h"
+#include "vga-pci.h"
 #include "console.h"
 #include "vga_int.h"
 #include "loader.h"
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index 351c88ebca..ad23f26e59 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -48,6 +48,7 @@
 #include "blockdev.h"
 #include "exec-memory.h"
 #include "sysbus.h"             /* SysBusDevice */
+#include "vga-pci.h"
 
 //#define DEBUG_BOARD_INIT
 
diff --git a/hw/openpic.c b/hw/openpic.c
index 58ef871f68..b9d856830a 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -130,6 +130,17 @@ enum {
 #define MPIC_CPU_REG_START        0x20000
 #define MPIC_CPU_REG_SIZE         0x100 + ((MAX_CPU - 1) * 0x1000)
 
+/*
+ * Block Revision Register1 (BRR1): QEMU does not fully emulate
+ * any version on MPIC. So to start with, set the IP version to 0.
+ *
+ * NOTE: This is Freescale MPIC specific register. Keep it here till
+ * this code is refactored for different variants of OPENPIC and MPIC.
+ */
+#define FSL_BRR1_IPID (0x0040 << 16) /* 16 bit IP-block ID */
+#define FSL_BRR1_IPMJ (0x00 << 8) /* 8 bit IP major number */
+#define FSL_BRR1_IPMN 0x00 /* 8 bit IP minor number */
+
 enum mpic_ide_bits {
     IDR_EP     = 31,
     IDR_CI0     = 30,
@@ -595,6 +606,8 @@ static void openpic_gbl_write (void *opaque, target_phys_addr_t addr, uint32_t v
     if (addr & 0xF)
         return;
     switch (addr) {
+    case 0x00: /* Block Revision Register1 (BRR1) is Readonly */
+        break;
     case 0x40:
     case 0x50:
     case 0x60:
@@ -671,6 +684,7 @@ static uint32_t openpic_gbl_read (void *opaque, target_phys_addr_t addr)
     case 0x1090: /* PINT */
         retval = 0x00000000;
         break;
+    case 0x00: /* Block Revision Register1 (BRR1) */
     case 0x40:
     case 0x50:
     case 0x60:
@@ -893,6 +907,9 @@ static uint32_t openpic_cpu_read_internal(void *opaque, target_phys_addr_t addr,
     dst = &opp->dst[idx];
     addr &= 0xFF0;
     switch (addr) {
+    case 0x00: /* Block Revision Register1 (BRR1) */
+        retval = FSL_BRR1_IPID | FSL_BRR1_IPMJ | FSL_BRR1_IPMN;
+        break;
     case 0x80: /* PCTP */
         retval = dst->pctp;
         break;
diff --git a/hw/pc.c b/hw/pc.c
index e8bcfc0b4b..3ed1a3caa2 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -51,6 +51,7 @@
 #include "exec-memory.h"
 #include "arch_init.h"
 #include "bitmap.h"
+#include "vga-pci.h"
 
 /* output Bochs bios info messages */
 //#define DEBUG_BIOS
diff --git a/hw/pc.h b/hw/pc.h
index 31ccb6f495..e4db0715b8 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -189,14 +189,10 @@ static inline DeviceState *isa_vga_init(ISABus *bus)
     return &dev->qdev;
 }
 
-DeviceState *pci_vga_init(PCIBus *bus);
 int isa_vga_mm_init(target_phys_addr_t vram_base,
                     target_phys_addr_t ctrl_base, int it_shift,
                     MemoryRegion *address_space);
 
-/* cirrus_vga.c */
-DeviceState *pci_cirrus_vga_init(PCIBus *bus);
-
 /* ne2000.c */
 static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
 {
diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
index aa4bbeb664..951e407f14 100644
--- a/hw/ppc/Makefile.objs
+++ b/hw/ppc/Makefile.objs
@@ -15,7 +15,7 @@ obj-$(CONFIG_PSERIES) += spapr_pci.o pci-hotplug.o spapr_iommu.o
 obj-y += ppc4xx_devs.o ppc4xx_pci.o ppc405_uc.o ppc405_boards.o
 obj-y += ppc440_bamboo.o
 # PowerPC E500 boards
-obj-$(CONFIG_FDT) += ppce500_mpc8544ds.o mpc8544_guts.o ppce500_spin.o
+obj-$(CONFIG_FDT) += mpc8544_guts.o ppce500_spin.o
 # PowerPC 440 Xilinx ML507 reference board.
 obj-y += virtex_ml507.o
 # PowerPC OpenPIC
@@ -26,3 +26,5 @@ obj-$(CONFIG_FDT) += ../device_tree.o
 obj-y += xilinx_ethlite.o
 
 obj-y := $(addprefix ../,$(obj-y))
+
+obj-$(CONFIG_FDT) += e500.o mpc8544ds.o e500plat.o
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppc/e500.c
index 8b9fd83ce1..6f0de6d959 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppc/e500.c
@@ -1,5 +1,5 @@
 /*
- * QEMU PowerPC MPC8544DS board emulation
+ * QEMU PowerPC e500-based platforms
  *
  * Copyright (C) 2009 Freescale Semiconductor, Inc. All rights reserved.
  *
@@ -16,20 +16,21 @@
 
 #include "config.h"
 #include "qemu-common.h"
+#include "e500.h"
 #include "net.h"
-#include "hw.h"
-#include "pc.h"
-#include "pci.h"
-#include "boards.h"
+#include "hw/hw.h"
+#include "hw/pc.h"
+#include "hw/pci.h"
+#include "hw/boards.h"
 #include "sysemu.h"
 #include "kvm.h"
 #include "kvm_ppc.h"
 #include "device_tree.h"
-#include "openpic.h"
-#include "ppc.h"
-#include "loader.h"
+#include "hw/openpic.h"
+#include "hw/ppc.h"
+#include "hw/loader.h"
 #include "elf.h"
-#include "sysbus.h"
+#include "hw/sysbus.h"
 #include "exec-memory.h"
 #include "host-utils.h"
 
@@ -42,6 +43,7 @@
 
 #define RAM_SIZES_ALIGN            (64UL << 20)
 
+/* TODO: parameterize */
 #define MPC8544_CCSRBAR_BASE       0xE0000000ULL
 #define MPC8544_CCSRBAR_SIZE       0x00100000ULL
 #define MPC8544_MPIC_REGS_BASE     (MPC8544_CCSRBAR_BASE + 0x40000ULL)
@@ -66,18 +68,18 @@ static void pci_map_create(void *fdt, uint32_t *pci_map, uint32_t mpic)
     int i;
     const uint32_t tmp[] = {
                              /* IDSEL 0x11 J17 Slot 1 */
-                             0x8800, 0x0, 0x0, 0x1, mpic, 0x2, 0x1, 0x0, 0x0,
-                             0x8800, 0x0, 0x0, 0x2, mpic, 0x3, 0x1, 0x0, 0x0,
-                             0x8800, 0x0, 0x0, 0x3, mpic, 0x4, 0x1, 0x0, 0x0,
-                             0x8800, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, 0x0, 0x0,
+                             0x8800, 0x0, 0x0, 0x1, mpic, 0x2, 0x1,
+                             0x8800, 0x0, 0x0, 0x2, mpic, 0x3, 0x1,
+                             0x8800, 0x0, 0x0, 0x3, mpic, 0x4, 0x1,
+                             0x8800, 0x0, 0x0, 0x4, mpic, 0x1, 0x1,
 
                              /* IDSEL 0x12 J16 Slot 2 */
-                             0x9000, 0x0, 0x0, 0x1, mpic, 0x3, 0x1, 0x0, 0x0,
-                             0x9000, 0x0, 0x0, 0x2, mpic, 0x4, 0x1, 0x0, 0x0,
-                             0x9000, 0x0, 0x0, 0x3, mpic, 0x2, 0x1, 0x0, 0x0,
-                             0x9000, 0x0, 0x0, 0x4, mpic, 0x1, 0x1, 0x0, 0x0,
+                             0x9000, 0x0, 0x0, 0x1, mpic, 0x3, 0x1,
+                             0x9000, 0x0, 0x0, 0x2, mpic, 0x4, 0x1,
+                             0x9000, 0x0, 0x0, 0x3, mpic, 0x2, 0x1,
+                             0x9000, 0x0, 0x0, 0x4, mpic, 0x1, 0x1,
                            };
-    for (i = 0; i < ARRAY_SIZE(tmp); i++) {
+    for (i = 0; i < (7 * 8); i++) {
         pci_map[i] = cpu_to_be32(tmp[i]);
     }
 }
@@ -95,7 +97,7 @@ static void dt_serial_create(void *fdt, unsigned long long offset,
     qemu_devtree_setprop_cells(fdt, ser, "reg", offset, 0x100);
     qemu_devtree_setprop_cell(fdt, ser, "cell-index", idx);
     qemu_devtree_setprop_cell(fdt, ser, "clock-frequency", 0);
-    qemu_devtree_setprop_cells(fdt, ser, "interrupts", 42, 2, 0, 0);
+    qemu_devtree_setprop_cells(fdt, ser, "interrupts", 42, 2);
     qemu_devtree_setprop_phandle(fdt, ser, "interrupt-parent", mpic);
     qemu_devtree_setprop_string(fdt, "/aliases", alias, ser);
 
@@ -104,31 +106,28 @@ static void dt_serial_create(void *fdt, unsigned long long offset,
     }
 }
 
-static int mpc8544_load_device_tree(CPUPPCState *env,
+static int ppce500_load_device_tree(CPUPPCState *env,
+                                    PPCE500Params *params,
                                     target_phys_addr_t addr,
-                                    target_phys_addr_t ramsize,
                                     target_phys_addr_t initrd_base,
-                                    target_phys_addr_t initrd_size,
-                                    const char *kernel_cmdline)
+                                    target_phys_addr_t initrd_size)
 {
     int ret = -1;
-    uint64_t mem_reg_property[] = { 0, cpu_to_be64(ramsize) };
+    uint64_t mem_reg_property[] = { 0, cpu_to_be64(params->ram_size) };
     int fdt_size;
     void *fdt;
     uint8_t hypercall[16];
     uint32_t clock_freq = 400000000;
     uint32_t tb_freq = 400000000;
     int i;
-    const char *compatible = "MPC8544DS\0MPC85xxDS";
-    int compatible_len = sizeof("MPC8544DS\0MPC85xxDS");
+    const char *toplevel_compat = NULL; /* user override */
     char compatible_sb[] = "fsl,mpc8544-immr\0simple-bus";
-    char model[] = "MPC8544DS";
     char soc[128];
     char mpic[128];
     uint32_t mpic_ph;
     char gutil[128];
     char pci[128];
-    uint32_t pci_map[9 * 8];
+    uint32_t pci_map[7 * 8];
     uint32_t pci_ranges[14] =
         {
             0x2000000, 0x0, 0xc0000000,
@@ -145,14 +144,9 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
 
     machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
     if (machine_opts) {
-        const char *tmp;
         dumpdtb = qemu_opt_get(machine_opts, "dumpdtb");
         dtb_file = qemu_opt_get(machine_opts, "dtb");
-        tmp = qemu_opt_get(machine_opts, "dt_compatible");
-        if (tmp) {
-            compatible = tmp;
-            compatible_len = strlen(compatible) + 1;
-        }
+        toplevel_compat = qemu_opt_get(machine_opts, "dt_compatible");
     }
 
     if (dtb_file) {
@@ -175,8 +169,6 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
     }
 
     /* Manipulate device tree in memory. */
-    qemu_devtree_setprop_string(fdt, "/", "model", model);
-    qemu_devtree_setprop(fdt, "/", "compatible", compatible, compatible_len);
     qemu_devtree_setprop_cell(fdt, "/", "#address-cells", 2);
     qemu_devtree_setprop_cell(fdt, "/", "#size-cells", 2);
 
@@ -201,7 +193,7 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
     }
 
     ret = qemu_devtree_setprop_string(fdt, "/chosen", "bootargs",
-                                      kernel_cmdline);
+                                      params->kernel_cmdline);
     if (ret < 0)
         fprintf(stderr, "couldn't set /chosen/bootargs\n");
 
@@ -282,18 +274,15 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
              MPC8544_MPIC_REGS_BASE - MPC8544_CCSRBAR_BASE);
     qemu_devtree_add_subnode(fdt, mpic);
     qemu_devtree_setprop_string(fdt, mpic, "device_type", "open-pic");
-    qemu_devtree_setprop_string(fdt, mpic, "compatible", "fsl,mpic");
+    qemu_devtree_setprop_string(fdt, mpic, "compatible", "chrp,open-pic");
     qemu_devtree_setprop_cells(fdt, mpic, "reg", MPC8544_MPIC_REGS_BASE -
                                MPC8544_CCSRBAR_BASE, 0x40000);
     qemu_devtree_setprop_cell(fdt, mpic, "#address-cells", 0);
-    qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 4);
+    qemu_devtree_setprop_cell(fdt, mpic, "#interrupt-cells", 2);
     mpic_ph = qemu_devtree_alloc_phandle(fdt);
     qemu_devtree_setprop_cell(fdt, mpic, "phandle", mpic_ph);
     qemu_devtree_setprop_cell(fdt, mpic, "linux,phandle", mpic_ph);
     qemu_devtree_setprop(fdt, mpic, "interrupt-controller", NULL, 0);
-    qemu_devtree_setprop(fdt, mpic, "big-endian", NULL, 0);
-    qemu_devtree_setprop(fdt, mpic, "single-cpu-affinity", NULL, 0);
-    qemu_devtree_setprop_cell(fdt, mpic, "last-interrupt-source", 255);
 
     /*
      * We have to generate ser1 first, because Linux takes the first
@@ -323,7 +312,7 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
     pci_map_create(fdt, pci_map, qemu_devtree_get_phandle(fdt, mpic));
     qemu_devtree_setprop(fdt, pci, "interrupt-map", pci_map, sizeof(pci_map));
     qemu_devtree_setprop_phandle(fdt, pci, "interrupt-parent", mpic);
-    qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2, 0, 0);
+    qemu_devtree_setprop_cells(fdt, pci, "interrupts", 24, 2);
     qemu_devtree_setprop_cells(fdt, pci, "bus-range", 0, 255);
     for (i = 0; i < 14; i++) {
         pci_ranges[i] = cpu_to_be32(pci_ranges[i]);
@@ -337,6 +326,13 @@ static int mpc8544_load_device_tree(CPUPPCState *env,
     qemu_devtree_setprop_cell(fdt, pci, "#address-cells", 3);
     qemu_devtree_setprop_string(fdt, "/aliases", "pci0", pci);
 
+    params->fixup_devtree(params, fdt);
+
+    if (toplevel_compat) {
+        qemu_devtree_setprop(fdt, "/", "compatible", toplevel_compat,
+                             strlen(toplevel_compat) + 1);
+    }
+
 done:
     if (dumpdtb) {
         /* Dump the dtb to a file and quit */
@@ -388,7 +384,7 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env)
     env->tlb_dirty = true;
 }
 
-static void mpc8544ds_cpu_reset_sec(void *opaque)
+static void ppce500_cpu_reset_sec(void *opaque)
 {
     PowerPCCPU *cpu = opaque;
     CPUPPCState *env = &cpu->env;
@@ -401,7 +397,7 @@ static void mpc8544ds_cpu_reset_sec(void *opaque)
     env->exception_index = EXCP_HLT;
 }
 
-static void mpc8544ds_cpu_reset(void *opaque)
+static void ppce500_cpu_reset(void *opaque)
 {
     PowerPCCPU *cpu = opaque;
     CPUPPCState *env = &cpu->env;
@@ -417,12 +413,7 @@ static void mpc8544ds_cpu_reset(void *opaque)
     mmubooke_create_initial_mapping(env);
 }
 
-static void mpc8544ds_init(ram_addr_t ram_size,
-                         const char *boot_device,
-                         const char *kernel_filename,
-                         const char *kernel_cmdline,
-                         const char *initrd_filename,
-                         const char *cpu_model)
+void ppce500_init(PPCE500Params *params)
 {
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
@@ -443,8 +434,8 @@ static void mpc8544ds_init(ram_addr_t ram_size,
     CPUPPCState *firstenv = NULL;
 
     /* Setup CPUs */
-    if (cpu_model == NULL) {
-        cpu_model = "e500v2_v30";
+    if (params->cpu_model == NULL) {
+        params->cpu_model = "e500v2_v30";
     }
 
     irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
@@ -453,7 +444,7 @@ static void mpc8544ds_init(ram_addr_t ram_size,
         PowerPCCPU *cpu;
         qemu_irq *input;
 
-        cpu = cpu_ppc_init(cpu_model);
+        cpu = cpu_ppc_init(params->cpu_model);
         if (cpu == NULL) {
             fprintf(stderr, "Unable to initialize CPU!\n");
             exit(1);
@@ -478,11 +469,11 @@ static void mpc8544ds_init(ram_addr_t ram_size,
             /* Primary CPU */
             struct boot_info *boot_info;
             boot_info = g_malloc0(sizeof(struct boot_info));
-            qemu_register_reset(mpc8544ds_cpu_reset, cpu);
+            qemu_register_reset(ppce500_cpu_reset, cpu);
             env->load_info = boot_info;
         } else {
             /* Secondary CPUs */
-            qemu_register_reset(mpc8544ds_cpu_reset_sec, cpu);
+            qemu_register_reset(ppce500_cpu_reset_sec, cpu);
         }
     }
 
@@ -542,43 +533,45 @@ static void mpc8544ds_init(ram_addr_t ram_size,
     sysbus_create_simple("e500-spin", MPC8544_SPIN_BASE, NULL);
 
     /* Load kernel. */
-    if (kernel_filename) {
-        kernel_size = load_uimage(kernel_filename, &entry, &loadaddr, NULL);
+    if (params->kernel_filename) {
+        kernel_size = load_uimage(params->kernel_filename, &entry,
+                                  &loadaddr, NULL);
         if (kernel_size < 0) {
-            kernel_size = load_elf(kernel_filename, NULL, NULL, &elf_entry,
-                                   &elf_lowaddr, NULL, 1, ELF_MACHINE, 0);
+            kernel_size = load_elf(params->kernel_filename, NULL, NULL,
+                                   &elf_entry, &elf_lowaddr, NULL, 1,
+                                   ELF_MACHINE, 0);
             entry = elf_entry;
             loadaddr = elf_lowaddr;
         }
         /* XXX try again as binary */
         if (kernel_size < 0) {
             fprintf(stderr, "qemu: could not load kernel '%s'\n",
-                    kernel_filename);
+                    params->kernel_filename);
             exit(1);
         }
     }
 
     /* Load initrd. */
-    if (initrd_filename) {
+    if (params->initrd_filename) {
         initrd_base = (kernel_size + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
-        initrd_size = load_image_targphys(initrd_filename, initrd_base,
+        initrd_size = load_image_targphys(params->initrd_filename, initrd_base,
                                           ram_size - initrd_base);
 
         if (initrd_size < 0) {
             fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
-                    initrd_filename);
+                    params->initrd_filename);
             exit(1);
         }
     }
 
     /* If we're loading a kernel directly, we must load the device tree too. */
-    if (kernel_filename) {
+    if (params->kernel_filename) {
         struct boot_info *boot_info;
         int dt_size;
 
         dt_base = (loadaddr + kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
-        dt_size = mpc8544_load_device_tree(env, dt_base, ram_size, initrd_base,
-                                           initrd_size, kernel_cmdline);
+        dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base,
+                                           initrd_size);
         if (dt_size < 0) {
             fprintf(stderr, "couldn't load device tree\n");
             exit(1);
@@ -594,17 +587,3 @@ static void mpc8544ds_init(ram_addr_t ram_size,
         kvmppc_init();
     }
 }
-
-static QEMUMachine mpc8544ds_machine = {
-    .name = "mpc8544ds",
-    .desc = "mpc8544ds",
-    .init = mpc8544ds_init,
-    .max_cpus = 15,
-};
-
-static void mpc8544ds_machine_init(void)
-{
-    qemu_register_machine(&mpc8544ds_machine);
-}
-
-machine_init(mpc8544ds_machine_init);
diff --git a/hw/ppc/e500.h b/hw/ppc/e500.h
new file mode 100644
index 0000000000..7ae87f4e21
--- /dev/null
+++ b/hw/ppc/e500.h
@@ -0,0 +1,21 @@
+#ifndef PPCE500_H
+#define PPCE500_H
+
+typedef struct PPCE500Params {
+    /* Standard QEMU machine init params */
+    ram_addr_t ram_size;
+    const char *boot_device;
+    const char *kernel_filename;
+    const char *kernel_cmdline;
+    const char *initrd_filename;
+    const char *cpu_model;
+
+    /* e500-specific params */
+
+    /* required -- must at least add toplevel board compatible */
+    void (*fixup_devtree)(struct PPCE500Params *params, void *fdt);
+} PPCE500Params;
+
+void ppce500_init(PPCE500Params *params);
+
+#endif
diff --git a/hw/ppc/e500plat.c b/hw/ppc/e500plat.c
new file mode 100644
index 0000000000..60a5cb3bd0
--- /dev/null
+++ b/hw/ppc/e500plat.c
@@ -0,0 +1,60 @@
+/*
+ * Generic device-tree-driven paravirt PPC e500 platform
+ *
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of  the GNU General  Public License as published by
+ * the Free Software Foundation;  either version 2 of the  License, or
+ * (at your option) any later version.
+ */
+
+#include "config.h"
+#include "qemu-common.h"
+#include "e500.h"
+#include "../boards.h"
+#include "device_tree.h"
+
+static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
+{
+    const char model[] = "QEMU ppce500";
+    const char compatible[] = "fsl,qemu-e500";
+
+    qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
+    qemu_devtree_setprop(fdt, "/", "compatible", compatible,
+                         sizeof(compatible));
+}
+
+static void e500plat_init(ram_addr_t ram_size,
+                           const char *boot_device,
+                           const char *kernel_filename,
+                           const char *kernel_cmdline,
+                           const char *initrd_filename,
+                           const char *cpu_model)
+{
+    PPCE500Params params = {
+        .ram_size = ram_size,
+        .boot_device = boot_device,
+        .kernel_filename = kernel_filename,
+        .kernel_cmdline = kernel_cmdline,
+        .initrd_filename = initrd_filename,
+        .cpu_model = cpu_model,
+        .fixup_devtree = e500plat_fixup_devtree,
+    };
+
+    ppce500_init(&params);
+}
+
+static QEMUMachine e500plat_machine = {
+    .name = "ppce500",
+    .desc = "generic paravirt e500 platform",
+    .init = e500plat_init,
+    .max_cpus = 15,
+};
+
+static void e500plat_machine_init(void)
+{
+    qemu_register_machine(&e500plat_machine);
+}
+
+machine_init(e500plat_machine_init);
diff --git a/hw/ppc/mpc8544ds.c b/hw/ppc/mpc8544ds.c
new file mode 100644
index 0000000000..984d21cbf5
--- /dev/null
+++ b/hw/ppc/mpc8544ds.c
@@ -0,0 +1,61 @@
+/*
+ * Support for the PPC e500-based mpc8544ds board
+ *
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of  the GNU General  Public License as published by
+ * the Free Software Foundation;  either version 2 of the  License, or
+ * (at your option) any later version.
+ */
+
+#include "config.h"
+#include "qemu-common.h"
+#include "e500.h"
+#include "../boards.h"
+#include "device_tree.h"
+
+static void mpc8544ds_fixup_devtree(PPCE500Params *params, void *fdt)
+{
+    const char model[] = "MPC8544DS";
+    const char compatible[] = "MPC8544DS\0MPC85xxDS";
+
+    qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
+    qemu_devtree_setprop(fdt, "/", "compatible", compatible,
+                         sizeof(compatible));
+}
+
+static void mpc8544ds_init(ram_addr_t ram_size,
+                           const char *boot_device,
+                           const char *kernel_filename,
+                           const char *kernel_cmdline,
+                           const char *initrd_filename,
+                           const char *cpu_model)
+{
+    PPCE500Params params = {
+        .ram_size = ram_size,
+        .boot_device = boot_device,
+        .kernel_filename = kernel_filename,
+        .kernel_cmdline = kernel_cmdline,
+        .initrd_filename = initrd_filename,
+        .cpu_model = cpu_model,
+        .fixup_devtree = mpc8544ds_fixup_devtree,
+    };
+
+    ppce500_init(&params);
+}
+
+
+static QEMUMachine ppce500_machine = {
+    .name = "mpc8544ds",
+    .desc = "mpc8544ds",
+    .init = mpc8544ds_init,
+    .max_cpus = 15,
+};
+
+static void ppce500_machine_init(void)
+{
+    qemu_register_machine(&ppce500_machine);
+}
+
+machine_init(ppce500_machine_init);
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index 4e2a6e691b..e95cfe831e 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -52,7 +52,6 @@
 #include "adb.h"
 #include "mac_dbdma.h"
 #include "nvram.h"
-#include "pc.h"
 #include "pci.h"
 #include "net.h"
 #include "sysemu.h"
@@ -68,6 +67,7 @@
 #include "hw/usb.h"
 #include "blockdev.h"
 #include "exec-memory.h"
+#include "vga-pci.h"
 
 #define MAX_IDE_BUS 2
 #define CFG_ADDR 0xf0000510
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index f2c6908534..1dcd8a6c36 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -29,7 +29,6 @@
 #include "adb.h"
 #include "mac_dbdma.h"
 #include "nvram.h"
-#include "pc.h"
 #include "sysemu.h"
 #include "net.h"
 #include "isa.h"
@@ -44,6 +43,7 @@
 #include "kvm_ppc.h"
 #include "blockdev.h"
 #include "exec-memory.h"
+#include "vga-pci.h"
 
 #define MAX_IDE_BUS 2
 #define CFG_ADDR 0xf0000510
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index be2b26830d..7a876164c9 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -39,6 +39,7 @@
 #include "blockdev.h"
 #include "arch_init.h"
 #include "exec-memory.h"
+#include "vga-pci.h"
 
 //#define HARD_DEBUG_PPC_IO
 //#define DEBUG_PPC_IO
diff --git a/hw/spapr.c b/hw/spapr.c
index 81c9343ca5..5178721d49 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -41,10 +41,12 @@
 #include "hw/spapr_vio.h"
 #include "hw/spapr_pci.h"
 #include "hw/xics.h"
+#include "hw/msi.h"
 
 #include "kvm.h"
 #include "kvm_ppc.h"
 #include "pci.h"
+#include "vga-pci.h"
 
 #include "exec-memory.h"
 
@@ -78,16 +80,15 @@
 #define SPAPR_PCI_MEM_WIN_ADDR  (0x10000000000ULL + 0xA0000000)
 #define SPAPR_PCI_MEM_WIN_SIZE  0x20000000
 #define SPAPR_PCI_IO_WIN_ADDR   (0x10000000000ULL + 0x80000000)
+#define SPAPR_PCI_MSI_WIN_ADDR  (0x10000000000ULL + 0x90000000)
 
 #define PHANDLE_XICP            0x00001111
 
 sPAPREnvironment *spapr;
 
-qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num,
-                            enum xics_irq_type type)
+int spapr_allocate_irq(int hint, enum xics_irq_type type)
 {
-    uint32_t irq;
-    qemu_irq qirq;
+    int irq;
 
     if (hint) {
         irq = hint;
@@ -96,16 +97,40 @@ qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num,
         irq = spapr->next_irq++;
     }
 
-    qirq = xics_assign_irq(spapr->icp, irq, type);
-    if (!qirq) {
-        return NULL;
+    /* Configure irq type */
+    if (!xics_get_qirq(spapr->icp, irq)) {
+        return 0;
     }
 
-    if (irq_num) {
-        *irq_num = irq;
+    xics_set_irq_type(spapr->icp, irq, type);
+
+    return irq;
+}
+
+/* Allocate block of consequtive IRQs, returns a number of the first */
+int spapr_allocate_irq_block(int num, enum xics_irq_type type)
+{
+    int first = -1;
+    int i;
+
+    for (i = 0; i < num; ++i) {
+        int irq;
+
+        irq = spapr_allocate_irq(0, type);
+        if (!irq) {
+            return -1;
+        }
+
+        if (0 == i) {
+            first = irq;
+        }
+
+        /* If the above doesn't create a consecutive block then that's
+         * an internal bug */
+        assert(irq == (first + i));
     }
 
-    return qirq;
+    return first;
 }
 
 static int spapr_set_associativity(void *fdt, sPAPREnvironment *spapr)
@@ -257,6 +282,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
         _FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
     }
     _FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-width", graphic_width)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-height", graphic_height)));
+    _FDT((fdt_property_cell(fdt, "qemu,graphic-depth", graphic_depth)));
 
     _FDT((fdt_end_node(fdt)));
 
@@ -481,7 +509,7 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
     }
 
     QLIST_FOREACH(phb, &spapr->phbs, list) {
-        ret = spapr_populate_pci_devices(phb, PHANDLE_XICP, fdt);
+        ret = spapr_populate_pci_dt(phb, PHANDLE_XICP, fdt);
     }
 
     if (ret < 0) {
@@ -503,7 +531,9 @@ static void spapr_finalize_fdt(sPAPREnvironment *spapr,
         }
     }
 
-    spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
+    if (!spapr->has_graphics) {
+        spapr_populate_chosen_stdout(fdt, spapr->vio_bus);
+    }
 
     _FDT((fdt_pack(fdt)));
 
@@ -532,8 +562,6 @@ static void spapr_reset(void *opaque)
 {
     sPAPREnvironment *spapr = (sPAPREnvironment *)opaque;
 
-    fprintf(stderr, "sPAPR reset\n");
-
     /* flush out the hash table */
     memset(spapr->htab, 0, spapr->htab_size);
 
@@ -556,6 +584,23 @@ static void spapr_cpu_reset(void *opaque)
     cpu_reset(CPU(cpu));
 }
 
+/* Returns whether we want to use VGA or not */
+static int spapr_vga_init(PCIBus *pci_bus)
+{
+    switch (vga_interface_type) {
+    case VGA_STD:
+        pci_vga_init(pci_bus);
+        return 1;
+    case VGA_NONE:
+        return 0;
+    default:
+        fprintf(stderr, "This vga model is not supported,"
+                "currently it only supports -vga std\n");
+        exit(0);
+        break;
+    }
+}
+
 /* pSeries LPAR / sPAPR hardware init */
 static void ppc_spapr_init(ram_addr_t ram_size,
                            const char *boot_device,
@@ -576,6 +621,8 @@ static void ppc_spapr_init(ram_addr_t ram_size,
     long pteg_shift = 17;
     char *filename;
 
+    msi_supported = true;
+
     spapr = g_malloc0(sizeof(*spapr));
     QLIST_INIT(&spapr->phbs);
 
@@ -687,10 +734,13 @@ static void ppc_spapr_init(ram_addr_t ram_size,
     }
 
     /* Set up PCI */
+    spapr_pci_rtas_init();
+
     spapr_create_phb(spapr, "pci", SPAPR_PCI_BUID,
                      SPAPR_PCI_MEM_WIN_ADDR,
                      SPAPR_PCI_MEM_WIN_SIZE,
-                     SPAPR_PCI_IO_WIN_ADDR);
+                     SPAPR_PCI_IO_WIN_ADDR,
+                     SPAPR_PCI_MSI_WIN_ADDR);
 
     for (i = 0; i < nb_nics; i++) {
         NICInfo *nd = &nd_table[i];
@@ -710,20 +760,17 @@ static void ppc_spapr_init(ram_addr_t ram_size,
         spapr_vscsi_create(spapr->vio_bus);
     }
 
+    /* Graphics */
+    if (spapr_vga_init(QLIST_FIRST(&spapr->phbs)->host_state.bus)) {
+        spapr->has_graphics = true;
+    }
+
     if (rma_size < (MIN_RMA_SLOF << 20)) {
         fprintf(stderr, "qemu: pSeries SLOF firmware requires >= "
                 "%ldM guest RMA (Real Mode Area memory)\n", MIN_RMA_SLOF);
         exit(1);
     }
 
-    fprintf(stderr, "sPAPR memory map:\n");
-    fprintf(stderr, "RTAS                 : 0x%08lx..%08lx\n",
-            (unsigned long)spapr->rtas_addr,
-            (unsigned long)(spapr->rtas_addr + spapr->rtas_size - 1));
-    fprintf(stderr, "FDT                  : 0x%08lx..%08lx\n",
-            (unsigned long)spapr->fdt_addr,
-            (unsigned long)(spapr->fdt_addr + FDT_MAX_SIZE - 1));
-
     if (kernel_filename) {
         uint64_t lowaddr = 0;
 
@@ -739,8 +786,6 @@ static void ppc_spapr_init(ram_addr_t ram_size,
                     kernel_filename);
             exit(1);
         }
-        fprintf(stderr, "Kernel               : 0x%08x..%08lx\n",
-                KERNEL_LOAD_ADDR, KERNEL_LOAD_ADDR + kernel_size - 1);
 
         /* load initrd */
         if (initrd_filename) {
@@ -755,8 +800,6 @@ static void ppc_spapr_init(ram_addr_t ram_size,
                         initrd_filename);
                 exit(1);
             }
-            fprintf(stderr, "Ramdisk              : 0x%08lx..%08lx\n",
-                    (long)initrd_base, (long)(initrd_base + initrd_size - 1));
         } else {
             initrd_base = 0;
             initrd_size = 0;
@@ -770,10 +813,6 @@ static void ppc_spapr_init(ram_addr_t ram_size,
         exit(1);
     }
     g_free(filename);
-    fprintf(stderr, "Firmware load        : 0x%08x..%08lx\n",
-            0, fw_size);
-    fprintf(stderr, "Firmware runtime     : 0x%08lx..%08lx\n",
-            load_limit, (unsigned long)spapr->fdt_addr);
 
     spapr->entry_point = 0x100;
 
diff --git a/hw/spapr.h b/hw/spapr.h
index 9153f29a60..ac34a171e3 100644
--- a/hw/spapr.h
+++ b/hw/spapr.h
@@ -23,6 +23,7 @@ typedef struct sPAPREnvironment {
     int next_irq;
     int rtc_offset;
     char *cpu_model;
+    bool has_graphics;
 } sPAPREnvironment;
 
 #define H_SUCCESS         0
@@ -288,17 +289,17 @@ void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn);
 target_ulong spapr_hypercall(CPUPPCState *env, target_ulong opcode,
                              target_ulong *args);
 
-qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num,
-                            enum xics_irq_type type);
+int spapr_allocate_irq(int hint, enum xics_irq_type type);
+int spapr_allocate_irq_block(int num, enum xics_irq_type type);
 
-static inline qemu_irq spapr_allocate_msi(uint32_t hint, uint32_t *irq_num)
+static inline int spapr_allocate_msi(int hint)
 {
-    return spapr_allocate_irq(hint, irq_num, XICS_MSI);
+    return spapr_allocate_irq(hint, XICS_MSI);
 }
 
-static inline qemu_irq spapr_allocate_lsi(uint32_t hint, uint32_t *irq_num)
+static inline int spapr_allocate_lsi(int hint)
 {
-    return spapr_allocate_irq(hint, irq_num, XICS_LSI);
+    return spapr_allocate_irq(hint, XICS_LSI);
 }
 
 static inline uint32_t rtas_ld(target_ulong phys, int n)
@@ -336,6 +337,8 @@ void spapr_iommu_init(void);
 DMAContext *spapr_tce_new_dma_context(uint32_t liobn, size_t window_size);
 void spapr_tce_free(DMAContext *dma);
 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
-                 DMAContext *dma);
+                 uint32_t liobn, uint64_t window, uint32_t size);
+int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
+                      DMAContext *dma);
 
 #endif /* !defined (__HW_SPAPR_H__) */
diff --git a/hw/spapr_iommu.c b/hw/spapr_iommu.c
index 388ffa4b22..53b731773a 100644
--- a/hw/spapr_iommu.c
+++ b/hw/spapr_iommu.c
@@ -216,31 +216,47 @@ void spapr_iommu_init(void)
 }
 
 int spapr_dma_dt(void *fdt, int node_off, const char *propname,
-                 DMAContext *dma)
+                 uint32_t liobn, uint64_t window, uint32_t size)
 {
-    if (dma) {
-        sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, dma);
-        uint32_t dma_prop[] = {cpu_to_be32(tcet->liobn),
-                               0, 0,
-                               0, cpu_to_be32(tcet->window_size)};
-        int ret;
-
-        ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-address-cells", 2);
-        if (ret < 0) {
-            return ret;
-        }
+    uint32_t dma_prop[5];
+    int ret;
+
+    dma_prop[0] = cpu_to_be32(liobn);
+    dma_prop[1] = cpu_to_be32(window >> 32);
+    dma_prop[2] = cpu_to_be32(window & 0xFFFFFFFF);
+    dma_prop[3] = 0; /* window size is 32 bits */
+    dma_prop[4] = cpu_to_be32(size);
+
+    ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-address-cells", 2);
+    if (ret < 0) {
+        return ret;
+    }
 
-        ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-size-cells", 2);
-        if (ret < 0) {
-            return ret;
-        }
+    ret = fdt_setprop_cell(fdt, node_off, "ibm,#dma-size-cells", 2);
+    if (ret < 0) {
+        return ret;
+    }
 
-        ret = fdt_setprop(fdt, node_off, propname, dma_prop,
-                          sizeof(dma_prop));
-        if (ret < 0) {
-            return ret;
-        }
+    ret = fdt_setprop(fdt, node_off, propname, dma_prop, sizeof(dma_prop));
+    if (ret < 0) {
+        return ret;
     }
 
     return 0;
 }
+
+int spapr_tcet_dma_dt(void *fdt, int node_off, const char *propname,
+                      DMAContext *iommu)
+{
+    if (!iommu) {
+        return 0;
+    }
+
+    if (iommu->translate == spapr_tce_translate) {
+        sPAPRTCETable *tcet = DO_UPCAST(sPAPRTCETable, dma, iommu);
+        return spapr_dma_dt(fdt, node_off, propname,
+                tcet->liobn, 0, tcet->window_size);
+    }
+
+    return -1;
+}
diff --git a/hw/spapr_llan.c b/hw/spapr_llan.c
index 01e54f3675..bd3f131d7e 100644
--- a/hw/spapr_llan.c
+++ b/hw/spapr_llan.c
@@ -169,7 +169,7 @@ static ssize_t spapr_vlan_receive(NetClientState *nc, const uint8_t *buf,
     }
 
     if (sdev->signal_state & 1) {
-        qemu_irq_pulse(sdev->qirq);
+        qemu_irq_pulse(spapr_vio_qirq(sdev));
     }
 
     return size;
diff --git a/hw/spapr_pci.c b/hw/spapr_pci.c
index b2e4f785ea..b92583a991 100644
--- a/hw/spapr_pci.c
+++ b/hw/spapr_pci.c
@@ -24,32 +24,57 @@
  */
 #include "hw.h"
 #include "pci.h"
+#include "msi.h"
+#include "msix.h"
 #include "pci_host.h"
 #include "hw/spapr.h"
 #include "hw/spapr_pci.h"
 #include "exec-memory.h"
 #include <libfdt.h>
+#include "trace.h"
 
 #include "hw/pci_internals.h"
 
-static PCIDevice *find_dev(sPAPREnvironment *spapr,
-                           uint64_t buid, uint32_t config_addr)
+/* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */
+#define RTAS_QUERY_FN           0
+#define RTAS_CHANGE_FN          1
+#define RTAS_RESET_FN           2
+#define RTAS_CHANGE_MSI_FN      3
+#define RTAS_CHANGE_MSIX_FN     4
+
+/* Interrupt types to return on RTAS_CHANGE_* */
+#define RTAS_TYPE_MSI           1
+#define RTAS_TYPE_MSIX          2
+
+static sPAPRPHBState *find_phb(sPAPREnvironment *spapr, uint64_t buid)
 {
-    int devfn = (config_addr >> 8) & 0xFF;
     sPAPRPHBState *phb;
 
     QLIST_FOREACH(phb, &spapr->phbs, list) {
-        BusChild *kid;
-
         if (phb->buid != buid) {
             continue;
         }
+        return phb;
+    }
+
+    return NULL;
+}
+
+static PCIDevice *find_dev(sPAPREnvironment *spapr, uint64_t buid,
+                           uint32_t config_addr)
+{
+    sPAPRPHBState *phb = find_phb(spapr, buid);
+    BusChild *kid;
+    int devfn = (config_addr >> 8) & 0xFF;
+
+    if (!phb) {
+        return NULL;
+    }
 
-        QTAILQ_FOREACH(kid, &phb->host_state.bus->qbus.children, sibling) {
-            PCIDevice *dev = (PCIDevice *)kid->child;
-            if (dev->devfn == devfn) {
-                return dev;
-            }
+    QTAILQ_FOREACH(kid, &phb->host_state.bus->qbus.children, sibling) {
+        PCIDevice *dev = (PCIDevice *)kid->child;
+        if (dev->devfn == devfn) {
+            return dev;
         }
     }
 
@@ -199,6 +224,191 @@ static void rtas_write_pci_config(sPAPREnvironment *spapr,
     finish_write_pci_config(spapr, 0, addr, size, val, rets);
 }
 
+/*
+ * Find an entry with config_addr or returns the empty one if not found AND
+ * alloc_new is set.
+ * At the moment the msi_table entries are never released so there is
+ * no point to look till the end of the list if we need to find the free entry.
+ */
+static int spapr_msicfg_find(sPAPRPHBState *phb, uint32_t config_addr,
+                             bool alloc_new)
+{
+    int i;
+
+    for (i = 0; i < SPAPR_MSIX_MAX_DEVS; ++i) {
+        if (!phb->msi_table[i].nvec) {
+            break;
+        }
+        if (phb->msi_table[i].config_addr == config_addr) {
+            return i;
+        }
+    }
+    if ((i < SPAPR_MSIX_MAX_DEVS) && alloc_new) {
+        trace_spapr_pci_msi("Allocating new MSI config", i, config_addr);
+        return i;
+    }
+
+    return -1;
+}
+
+/*
+ * Set MSI/MSIX message data.
+ * This is required for msi_notify()/msix_notify() which
+ * will write at the addresses via spapr_msi_write().
+ */
+static void spapr_msi_setmsg(PCIDevice *pdev, target_phys_addr_t addr,
+                             bool msix, unsigned req_num)
+{
+    unsigned i;
+    MSIMessage msg = { .address = addr, .data = 0 };
+
+    if (!msix) {
+        msi_set_message(pdev, msg);
+        trace_spapr_pci_msi_setup(pdev->name, 0, msg.address);
+        return;
+    }
+
+    for (i = 0; i < req_num; ++i) {
+        msg.address = addr | (i << 2);
+        msix_set_message(pdev, i, msg);
+        trace_spapr_pci_msi_setup(pdev->name, i, msg.address);
+    }
+}
+
+static void rtas_ibm_change_msi(sPAPREnvironment *spapr,
+                                uint32_t token, uint32_t nargs,
+                                target_ulong args, uint32_t nret,
+                                target_ulong rets)
+{
+    uint32_t config_addr = rtas_ld(args, 0);
+    uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2);
+    unsigned int func = rtas_ld(args, 3);
+    unsigned int req_num = rtas_ld(args, 4); /* 0 == remove all */
+    unsigned int seq_num = rtas_ld(args, 5);
+    unsigned int ret_intr_type;
+    int ndev, irq;
+    sPAPRPHBState *phb = NULL;
+    PCIDevice *pdev = NULL;
+
+    switch (func) {
+    case RTAS_CHANGE_MSI_FN:
+    case RTAS_CHANGE_FN:
+        ret_intr_type = RTAS_TYPE_MSI;
+        break;
+    case RTAS_CHANGE_MSIX_FN:
+        ret_intr_type = RTAS_TYPE_MSIX;
+        break;
+    default:
+        fprintf(stderr, "rtas_ibm_change_msi(%u) is not implemented\n", func);
+        rtas_st(rets, 0, -3); /* Parameter error */
+        return;
+    }
+
+    /* Fins sPAPRPHBState */
+    phb = find_phb(spapr, buid);
+    if (phb) {
+        pdev = find_dev(spapr, buid, config_addr);
+    }
+    if (!phb || !pdev) {
+        rtas_st(rets, 0, -3); /* Parameter error */
+        return;
+    }
+
+    /* Releasing MSIs */
+    if (!req_num) {
+        ndev = spapr_msicfg_find(phb, config_addr, false);
+        if (ndev < 0) {
+            trace_spapr_pci_msi("MSI has not been enabled", -1, config_addr);
+            rtas_st(rets, 0, -1); /* Hardware error */
+            return;
+        }
+        trace_spapr_pci_msi("Released MSIs", ndev, config_addr);
+        rtas_st(rets, 0, 0);
+        rtas_st(rets, 1, 0);
+        return;
+    }
+
+    /* Enabling MSI */
+
+    /* Find a device number in the map to add or reuse the existing one */
+    ndev = spapr_msicfg_find(phb, config_addr, true);
+    if (ndev >= SPAPR_MSIX_MAX_DEVS || ndev < 0) {
+        fprintf(stderr, "No free entry for a new MSI device\n");
+        rtas_st(rets, 0, -1); /* Hardware error */
+        return;
+    }
+    trace_spapr_pci_msi("Configuring MSI", ndev, config_addr);
+
+    /* Check if there is an old config and MSI number has not changed */
+    if (phb->msi_table[ndev].nvec && (req_num != phb->msi_table[ndev].nvec)) {
+        /* Unexpected behaviour */
+        fprintf(stderr, "Cannot reuse MSI config for device#%d", ndev);
+        rtas_st(rets, 0, -1); /* Hardware error */
+        return;
+    }
+
+    /* There is no cached config, allocate MSIs */
+    if (!phb->msi_table[ndev].nvec) {
+        irq = spapr_allocate_irq_block(req_num, XICS_MSI);
+        if (irq < 0) {
+            fprintf(stderr, "Cannot allocate MSIs for device#%d", ndev);
+            rtas_st(rets, 0, -1); /* Hardware error */
+            return;
+        }
+        phb->msi_table[ndev].irq = irq;
+        phb->msi_table[ndev].nvec = req_num;
+        phb->msi_table[ndev].config_addr = config_addr;
+    }
+
+    /* Setup MSI/MSIX vectors in the device (via cfgspace or MSIX BAR) */
+    spapr_msi_setmsg(pdev, phb->msi_win_addr | (ndev << 16),
+                     ret_intr_type == RTAS_TYPE_MSIX, req_num);
+
+    rtas_st(rets, 0, 0);
+    rtas_st(rets, 1, req_num);
+    rtas_st(rets, 2, ++seq_num);
+    rtas_st(rets, 3, ret_intr_type);
+
+    trace_spapr_pci_rtas_ibm_change_msi(func, req_num);
+}
+
+static void rtas_ibm_query_interrupt_source_number(sPAPREnvironment *spapr,
+                                                   uint32_t token,
+                                                   uint32_t nargs,
+                                                   target_ulong args,
+                                                   uint32_t nret,
+                                                   target_ulong rets)
+{
+    uint32_t config_addr = rtas_ld(args, 0);
+    uint64_t buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2);
+    unsigned int intr_src_num = -1, ioa_intr_num = rtas_ld(args, 3);
+    int ndev;
+    sPAPRPHBState *phb = NULL;
+
+    /* Fins sPAPRPHBState */
+    phb = find_phb(spapr, buid);
+    if (!phb) {
+        rtas_st(rets, 0, -3); /* Parameter error */
+        return;
+    }
+
+    /* Find device descriptor and start IRQ */
+    ndev = spapr_msicfg_find(phb, config_addr, false);
+    if (ndev < 0) {
+        trace_spapr_pci_msi("MSI has not been enabled", -1, config_addr);
+        rtas_st(rets, 0, -1); /* Hardware error */
+        return;
+    }
+
+    intr_src_num = phb->msi_table[ndev].irq + ioa_intr_num;
+    trace_spapr_pci_rtas_ibm_query_interrupt_source_number(ioa_intr_num,
+                                                           intr_src_num);
+
+    rtas_st(rets, 0, 0);
+    rtas_st(rets, 1, intr_src_num);
+    rtas_st(rets, 2, 1);/* 0 == level; 1 == edge */
+}
+
 static int pci_spapr_swizzle(int slot, int pin)
 {
     return (slot + pin) % PCI_NUM_PINS;
@@ -223,7 +433,8 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level)
      */
     sPAPRPHBState *phb = opaque;
 
-    qemu_set_irq(phb->lsi_table[irq_num].qirq, level);
+    trace_spapr_pci_lsi_set(phb->busname, irq_num, phb->lsi_table[irq_num].irq);
+    qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level);
 }
 
 static uint64_t spapr_io_read(void *opaque, target_phys_addr_t addr,
@@ -264,6 +475,33 @@ static const MemoryRegionOps spapr_io_ops = {
 };
 
 /*
+ * MSI/MSIX memory region implementation.
+ * The handler handles both MSI and MSIX.
+ * For MSI-X, the vector number is encoded as a part of the address,
+ * data is set to 0.
+ * For MSI, the vector number is encoded in least bits in data.
+ */
+static void spapr_msi_write(void *opaque, target_phys_addr_t addr,
+                            uint64_t data, unsigned size)
+{
+    sPAPRPHBState *phb = opaque;
+    int ndev = addr >> 16;
+    int vec = ((addr & 0xFFFF) >> 2) | data;
+    uint32_t irq = phb->msi_table[ndev].irq + vec;
+
+    trace_spapr_pci_msi_write(addr, data, irq);
+
+    qemu_irq_pulse(xics_get_qirq(spapr->icp, irq));
+}
+
+static const MemoryRegionOps spapr_msi_ops = {
+    /* There is no .read as the read result is undefined by PCI spec */
+    .read = NULL,
+    .write = spapr_msi_write,
+    .endianness = DEVICE_LITTLE_ENDIAN
+};
+
+/*
  * PHB PCI device
  */
 static DMAContext *spapr_pci_dma_context_fn(PCIBus *bus, void *opaque,
@@ -276,11 +514,10 @@ static DMAContext *spapr_pci_dma_context_fn(PCIBus *bus, void *opaque,
 
 static int spapr_phb_init(SysBusDevice *s)
 {
-    sPAPRPHBState *phb = FROM_SYSBUS(sPAPRPHBState, s);
+    sPAPRPHBState *phb = DO_UPCAST(sPAPRPHBState, host_state.busdev, s);
     char *namebuf;
     int i;
     PCIBus *bus;
-    uint32_t liobn;
 
     phb->dtbusname = g_strdup_printf("pci@%" PRIx64, phb->buid);
     namebuf = alloca(strlen(phb->dtbusname) + 32);
@@ -314,31 +551,42 @@ static int spapr_phb_init(SysBusDevice *s)
     memory_region_add_subregion(get_system_memory(), phb->io_win_addr,
                                 &phb->iowindow);
 
-    bus = pci_register_bus(&phb->busdev.qdev,
+    /* As MSI/MSIX interrupts trigger by writing at MSI/MSIX vectors,
+     * we need to allocate some memory to catch those writes coming
+     * from msi_notify()/msix_notify() */
+    if (msi_supported) {
+        sprintf(namebuf, "%s.msi", phb->dtbusname);
+        memory_region_init_io(&phb->msiwindow, &spapr_msi_ops, phb,
+                              namebuf, SPAPR_MSIX_MAX_DEVS * 0x10000);
+        memory_region_add_subregion(get_system_memory(), phb->msi_win_addr,
+                                    &phb->msiwindow);
+    }
+
+    bus = pci_register_bus(&phb->host_state.busdev.qdev,
                            phb->busname ? phb->busname : phb->dtbusname,
                            pci_spapr_set_irq, pci_spapr_map_irq, phb,
                            &phb->memspace, &phb->iospace,
                            PCI_DEVFN(0, 0), PCI_NUM_PINS);
     phb->host_state.bus = bus;
 
-    liobn = SPAPR_PCI_BASE_LIOBN | (pci_find_domain(bus) << 16);
-    phb->dma = spapr_tce_new_dma_context(liobn, 0x40000000);
+    phb->dma_liobn = SPAPR_PCI_BASE_LIOBN | (pci_find_domain(bus) << 16);
+    phb->dma_window_start = 0;
+    phb->dma_window_size = 0x40000000;
+    phb->dma = spapr_tce_new_dma_context(phb->dma_liobn, phb->dma_window_size);
     pci_setup_iommu(bus, spapr_pci_dma_context_fn, phb);
 
     QLIST_INSERT_HEAD(&spapr->phbs, phb, list);
 
     /* Initialize the LSI table */
     for (i = 0; i < PCI_NUM_PINS; i++) {
-        qemu_irq qirq;
-        uint32_t num;
+        uint32_t irq;
 
-        qirq = spapr_allocate_lsi(0, &num);
-        if (!qirq) {
+        irq = spapr_allocate_lsi(0);
+        if (!irq) {
             return -1;
         }
 
-        phb->lsi_table[i].dt_irq = num;
-        phb->lsi_table[i].qirq = qirq;
+        phb->lsi_table[i].irq = irq;
     }
 
     return 0;
@@ -351,6 +599,7 @@ static Property spapr_phb_properties[] = {
     DEFINE_PROP_HEX64("mem_win_size", sPAPRPHBState, mem_win_size, 0x20000000),
     DEFINE_PROP_HEX64("io_win_addr", sPAPRPHBState, io_win_addr, 0),
     DEFINE_PROP_HEX64("io_win_size", sPAPRPHBState, io_win_size, 0x10000),
+    DEFINE_PROP_HEX64("msi_win_addr", sPAPRPHBState, msi_win_addr, 0),
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -361,11 +610,6 @@ static void spapr_phb_class_init(ObjectClass *klass, void *data)
 
     sdc->init = spapr_phb_init;
     dc->props = spapr_phb_properties;
-
-    spapr_rtas_register("read-pci-config", rtas_read_pci_config);
-    spapr_rtas_register("write-pci-config", rtas_write_pci_config);
-    spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config);
-    spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config);
 }
 
 static TypeInfo spapr_phb_info = {
@@ -378,7 +622,7 @@ static TypeInfo spapr_phb_info = {
 void spapr_create_phb(sPAPREnvironment *spapr,
                       const char *busname, uint64_t buid,
                       uint64_t mem_win_addr, uint64_t mem_win_size,
-                      uint64_t io_win_addr)
+                      uint64_t io_win_addr, uint64_t msi_win_addr)
 {
     DeviceState *dev;
 
@@ -391,6 +635,7 @@ void spapr_create_phb(sPAPREnvironment *spapr,
     qdev_prop_set_uint64(dev, "mem_win_addr", mem_win_addr);
     qdev_prop_set_uint64(dev, "mem_win_size", mem_win_size);
     qdev_prop_set_uint64(dev, "io_win_addr", io_win_addr);
+    qdev_prop_set_uint64(dev, "msi_win_addr", msi_win_addr);
 
     qdev_init_nofail(dev);
 }
@@ -406,9 +651,9 @@ void spapr_create_phb(sPAPREnvironment *spapr,
 #define b_fff(x)        b_x((x), 8, 3)  /* function number */
 #define b_rrrrrrrr(x)   b_x((x), 0, 8)  /* register number */
 
-int spapr_populate_pci_devices(sPAPRPHBState *phb,
-                               uint32_t xics_phandle,
-                               void *fdt)
+int spapr_populate_pci_dt(sPAPRPHBState *phb,
+                          uint32_t xics_phandle,
+                          void *fdt)
 {
     int bus_off, i, j;
     char nodename[256];
@@ -477,7 +722,7 @@ int spapr_populate_pci_devices(sPAPRPHBState *phb,
             irqmap[2] = 0;
             irqmap[3] = cpu_to_be32(j+1);
             irqmap[4] = cpu_to_be32(xics_phandle);
-            irqmap[5] = cpu_to_be32(phb->lsi_table[lsi_num].dt_irq);
+            irqmap[5] = cpu_to_be32(phb->lsi_table[lsi_num].irq);
             irqmap[6] = cpu_to_be32(0x8);
         }
     }
@@ -485,11 +730,26 @@ int spapr_populate_pci_devices(sPAPRPHBState *phb,
     _FDT(fdt_setprop(fdt, bus_off, "interrupt-map", &interrupt_map,
                      sizeof(interrupt_map)));
 
-    spapr_dma_dt(fdt, bus_off, "ibm,dma-window", phb->dma);
+    spapr_dma_dt(fdt, bus_off, "ibm,dma-window",
+                 phb->dma_liobn, phb->dma_window_start,
+                 phb->dma_window_size);
 
     return 0;
 }
 
+void spapr_pci_rtas_init(void)
+{
+    spapr_rtas_register("read-pci-config", rtas_read_pci_config);
+    spapr_rtas_register("write-pci-config", rtas_write_pci_config);
+    spapr_rtas_register("ibm,read-pci-config", rtas_ibm_read_pci_config);
+    spapr_rtas_register("ibm,write-pci-config", rtas_ibm_write_pci_config);
+    if (msi_supported) {
+        spapr_rtas_register("ibm,query-interrupt-source-number",
+                            rtas_ibm_query_interrupt_source_number);
+        spapr_rtas_register("ibm,change-msi", rtas_ibm_change_msi);
+    }
+}
+
 static void register_types(void)
 {
     type_register_static(&spapr_phb_info);
diff --git a/hw/spapr_pci.h b/hw/spapr_pci.h
index d9e46e22e3..7518899b85 100644
--- a/hw/spapr_pci.h
+++ b/hw/spapr_pci.h
@@ -27,8 +27,9 @@
 #include "hw/pci_host.h"
 #include "hw/xics.h"
 
+#define SPAPR_MSIX_MAX_DEVS 32
+
 typedef struct sPAPRPHBState {
-    SysBusDevice busdev;
     PCIHostState host_state;
 
     uint64_t buid;
@@ -37,27 +38,44 @@ typedef struct sPAPRPHBState {
 
     MemoryRegion memspace, iospace;
     target_phys_addr_t mem_win_addr, mem_win_size, io_win_addr, io_win_size;
-    MemoryRegion memwindow, iowindow;
+    target_phys_addr_t msi_win_addr;
+    MemoryRegion memwindow, iowindow, msiwindow;
+
+    uint32_t dma_liobn;
+    uint64_t dma_window_start;
+    uint64_t dma_window_size;
     DMAContext *dma;
 
     struct {
-        uint32_t dt_irq;
-        qemu_irq qirq;
+        uint32_t irq;
     } lsi_table[PCI_NUM_PINS];
 
+    struct {
+        uint32_t config_addr;
+        uint32_t irq;
+        int nvec;
+    } msi_table[SPAPR_MSIX_MAX_DEVS];
+
     QLIST_ENTRY(sPAPRPHBState) list;
 } sPAPRPHBState;
 
+static inline qemu_irq spapr_phb_lsi_qirq(struct sPAPRPHBState *phb, int pin)
+{
+    return xics_get_qirq(spapr->icp, phb->lsi_table[pin].irq);
+}
+
 #define SPAPR_PCI_MEM_WIN_BUS_OFFSET 0x80000000ULL
 #define SPAPR_PCI_IO_WIN_SIZE        0x10000
 
 void spapr_create_phb(sPAPREnvironment *spapr,
                       const char *busname, uint64_t buid,
                       uint64_t mem_win_addr, uint64_t mem_win_size,
-                      uint64_t io_win_addr);
+                      uint64_t io_win_addr, uint64_t msi_win_addr);
+
+int spapr_populate_pci_dt(sPAPRPHBState *phb,
+                          uint32_t xics_phandle,
+                          void *fdt);
 
-int spapr_populate_pci_devices(sPAPRPHBState *phb,
-                               uint32_t xics_phandle,
-                               void *fdt);
+void spapr_pci_rtas_init(void);
 
 #endif /* __HW_SPAPR_PCI_H__ */
diff --git a/hw/spapr_vio.c b/hw/spapr_vio.c
index 05b55032a9..7ca445216d 100644
--- a/hw/spapr_vio.c
+++ b/hw/spapr_vio.c
@@ -49,7 +49,7 @@
 #endif
 
 static Property spapr_vio_props[] = {
-    DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, vio_irq_num, 0), \
+    DEFINE_PROP_UINT32("irq", VIOsPAPRDevice, irq, 0), \
     DEFINE_PROP_END_OF_LIST(),
 };
 
@@ -132,8 +132,8 @@ static int vio_make_devnode(VIOsPAPRDevice *dev,
         }
     }
 
-    if (dev->qirq) {
-        uint32_t ints_prop[] = {cpu_to_be32(dev->vio_irq_num), 0};
+    if (dev->irq) {
+        uint32_t ints_prop[] = {cpu_to_be32(dev->irq), 0};
 
         ret = fdt_setprop(fdt, node_off, "interrupts", ints_prop,
                           sizeof(ints_prop));
@@ -142,7 +142,7 @@ static int vio_make_devnode(VIOsPAPRDevice *dev,
         }
     }
 
-    ret = spapr_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->dma);
+    ret = spapr_tcet_dma_dt(fdt, node_off, "ibm,my-dma-window", dev->dma);
     if (ret < 0) {
         return ret;
     }
@@ -306,7 +306,7 @@ int spapr_vio_send_crq(VIOsPAPRDevice *dev, uint8_t *crq)
     dev->crq.qnext = (dev->crq.qnext + 16) % dev->crq.qsize;
 
     if (dev->signal_state & 1) {
-        qemu_irq_pulse(dev->qirq);
+        qemu_irq_pulse(spapr_vio_qirq(dev));
     }
 
     return 0;
@@ -459,8 +459,8 @@ static int spapr_vio_busdev_init(DeviceState *qdev)
         dev->qdev.id = id;
     }
 
-    dev->qirq = spapr_allocate_msi(dev->vio_irq_num, &dev->vio_irq_num);
-    if (!dev->qirq) {
+    dev->irq = spapr_allocate_msi(dev->irq);
+    if (!dev->irq) {
         return -1;
     }
 
diff --git a/hw/spapr_vio.h b/hw/spapr_vio.h
index 6f9a498ccd..ea6aa43e26 100644
--- a/hw/spapr_vio.h
+++ b/hw/spapr_vio.h
@@ -61,8 +61,7 @@ struct VIOsPAPRDevice {
     DeviceState qdev;
     uint32_t reg;
     uint32_t flags;
-    qemu_irq qirq;
-    uint32_t vio_irq_num;
+    uint32_t irq;
     target_ulong signal_state;
     VIOsPAPR_CRQ crq;
     DMAContext *dma;
@@ -85,6 +84,11 @@ extern int spapr_populate_chosen_stdout(void *fdt, VIOsPAPRBus *bus);
 
 extern int spapr_vio_signal(VIOsPAPRDevice *dev, target_ulong mode);
 
+static inline qemu_irq spapr_vio_qirq(VIOsPAPRDevice *dev)
+{
+    return xics_get_qirq(spapr->icp, dev->irq);
+}
+
 static inline bool spapr_vio_dma_valid(VIOsPAPRDevice *dev, uint64_t taddr,
                                        uint32_t size, DMADirection dir)
 {
diff --git a/hw/spapr_vty.c b/hw/spapr_vty.c
index 99e52cc6b7..5da17a3ff4 100644
--- a/hw/spapr_vty.c
+++ b/hw/spapr_vty.c
@@ -26,7 +26,7 @@ static void vty_receive(void *opaque, const uint8_t *buf, int size)
 
     if ((dev->in == dev->out) && size) {
         /* toggle line to simulate edge interrupt */
-        qemu_irq_pulse(dev->sdev.qirq);
+        qemu_irq_pulse(spapr_vio_qirq(&dev->sdev));
     }
     for (i = 0; i < size; i++) {
         assert((dev->in - dev->out) < VTERM_BUFSIZE);
diff --git a/hw/sun4u.c b/hw/sun4u.c
index 137a7c6666..07cd04273a 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -39,6 +39,7 @@
 #include "elf.h"
 #include "blockdev.h"
 #include "exec-memory.h"
+#include "vga-pci.h"
 
 //#define DEBUG_IRQ
 //#define DEBUG_EBUS
diff --git a/hw/vga-pci.c b/hw/vga-pci.c
index 37dc019a61..9abbada8f1 100644
--- a/hw/vga-pci.c
+++ b/hw/vga-pci.c
@@ -23,8 +23,8 @@
  */
 #include "hw.h"
 #include "console.h"
-#include "pc.h"
 #include "pci.h"
+#include "vga-pci.h"
 #include "vga_int.h"
 #include "pixel_ops.h"
 #include "qemu-timer.h"
diff --git a/hw/vga-pci.h b/hw/vga-pci.h
new file mode 100644
index 0000000000..49abf1309d
--- /dev/null
+++ b/hw/vga-pci.h
@@ -0,0 +1,12 @@
+#ifndef VGA_PCI_H
+#define VGA_PCI_H
+
+#include "qemu-common.h"
+
+/* vga-pci.c */
+DeviceState *pci_vga_init(PCIBus *bus);
+
+/* cirrus_vga.c */
+DeviceState *pci_cirrus_vga_init(PCIBus *bus);
+
+#endif
diff --git a/hw/xics.c b/hw/xics.c
index 668a0d6484..b674771dc4 100644
--- a/hw/xics.c
+++ b/hw/xics.c
@@ -315,18 +315,24 @@ static void ics_eoi(struct ics_state *ics, int nr)
  * Exported functions
  */
 
-qemu_irq xics_assign_irq(struct icp_state *icp, int irq,
-                         enum xics_irq_type type)
+qemu_irq xics_get_qirq(struct icp_state *icp, int irq)
 {
     if ((irq < icp->ics->offset)
         || (irq >= (icp->ics->offset + icp->ics->nr_irqs))) {
         return NULL;
     }
 
+    return icp->ics->qirqs[irq - icp->ics->offset];
+}
+
+void xics_set_irq_type(struct icp_state *icp, int irq,
+                       enum xics_irq_type type)
+{
+    assert((irq >= icp->ics->offset)
+           && (irq < (icp->ics->offset + icp->ics->nr_irqs)));
     assert((type == XICS_MSI) || (type == XICS_LSI));
 
     icp->ics->irqs[irq - icp->ics->offset].type = type;
-    return icp->ics->qirqs[irq - icp->ics->offset];
 }
 
 static target_ulong h_cppr(CPUPPCState *env, sPAPREnvironment *spapr,
diff --git a/hw/xics.h b/hw/xics.h
index 208015939c..99b96ac85a 100644
--- a/hw/xics.h
+++ b/hw/xics.h
@@ -36,8 +36,9 @@ enum xics_irq_type {
     XICS_LSI,        /* Level-signalled interrupt */
 };
 
-qemu_irq xics_assign_irq(struct icp_state *icp, int irq,
-                         enum xics_irq_type type);
+qemu_irq xics_get_qirq(struct icp_state *icp, int irq);
+void xics_set_irq_type(struct icp_state *icp, int irq,
+                       enum xics_irq_type type);
 
 struct icp_state *xics_system_init(int nr_irqs);
 
diff --git a/pc-bios/README b/pc-bios/README
index e56e9e5f04..f4b37d66dc 100644
--- a/pc-bios/README
+++ b/pc-bios/README
@@ -17,7 +17,7 @@
 - SLOF (Slimline Open Firmware) is a free IEEE 1275 Open Firmware
   implementation for certain IBM POWER hardware.  The sources are at
   https://github.com/dgibson/SLOF, and the image currently in qemu is
-  built from git tag qemu-slof-20120217.
+  built from git tag qemu-slof-20120731.
 
 - sgabios (the Serial Graphics Adapter option ROM) provides a means for
   legacy x86 software to communicate with an attached serial console as
diff --git a/pc-bios/slof.bin b/pc-bios/slof.bin
index 449a7bb2af..84ba6b83f3 100644
--- a/pc-bios/slof.bin
+++ b/pc-bios/slof.bin
diff --git a/roms/SLOF b/roms/SLOF
-Subproject d153364253548d6cd91403711f84996e6a7dab3
+Subproject f21f7a3f46b557eb5923f899ce8b4401b3cc6d9
diff --git a/savevm.c b/savevm.c
index f002bfc48d..c7fe283145 100644
--- a/savevm.c
+++ b/savevm.c
@@ -2473,7 +2473,7 @@ int xbzrle_encode_buffer(uint8_t *old_buf, uint8_t *new_buf, int slen,
         /* word at a time for speed, use of 32-bit long okay */
         if (!res) {
             /* truncation to 32-bit long okay */
-            long mask = 0x0101010101010101ULL;
+            long mask = (long)0x0101010101010101ULL;
             while (i < slen) {
                 xor = *(long *)(old_buf + i) ^ *(long *)(new_buf + i);
                 if ((xor - mask) & ~xor & (mask << 7)) {
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 829e180f8b..a31d278a5f 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -766,7 +766,7 @@ int kvm_arch_handle_exit(CPUPPCState *env, struct kvm_run *run)
         dprintf("handle PAPR hypercall\n");
         run->papr_hcall.ret = spapr_hypercall(env, run->papr_hcall.nr,
                                               run->papr_hcall.args);
-        ret = 1;
+        ret = 0;
         break;
 #endif
     default:
diff --git a/trace-events b/trace-events
index 6b12f83de0..04b0723927 100644
--- a/trace-events
+++ b/trace-events
@@ -970,3 +970,11 @@ qxl_render_blit_guest_primary_initialized(void) ""
 qxl_render_blit(int32_t stride, int32_t left, int32_t right, int32_t top, int32_t bottom) "stride=%d [%d, %d, %d, %d]"
 qxl_render_guest_primary_resized(int32_t width, int32_t height, int32_t stride, int32_t bytes_pp, int32_t bits_pp) "%dx%d, stride %d, bpp %d, depth %d"
 qxl_render_update_area_done(void *cookie) "%p"
+
+# hw/spapr_pci.c
+spapr_pci_msi(const char *msg, uint32_t n, uint32_t ca) "%s (device#%d, cfg=%x)"
+spapr_pci_msi_setup(const char *name, unsigned vector, uint64_t addr) "dev\"%s\" vector %u, addr=%"PRIx64
+spapr_pci_rtas_ibm_change_msi(unsigned func, unsigned req) "func %u, requested %u"
+spapr_pci_rtas_ibm_query_interrupt_source_number(unsigned ioa, unsigned intr) "queries for #%u, IRQ%u"
+spapr_pci_msi_write(uint64_t addr, uint64_t data, uint32_t dt_irq) "@%"PRIx64"<=%"PRIx64" IRQ %u"
+spapr_pci_lsi_set(const char *busname, int pin, uint32_t irq) "%s PIN%d IRQ %u"