diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 3a2b381288..279b88af97 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -88,6 +88,9 @@ int spapr_allocate_irq(int hint, bool lsi) if (hint) { irq = hint; + if (hint >= spapr->next_irq) { + spapr->next_irq = hint + 1; + } /* FIXME: we should probably check for collisions somehow */ } else { irq = spapr->next_irq++; @@ -103,22 +106,39 @@ int spapr_allocate_irq(int hint, bool lsi) return irq; } -/* Allocate block of consequtive IRQs, returns a number of the first */ -int spapr_allocate_irq_block(int num, bool lsi) +/* + * Allocate block of consequtive IRQs, returns a number of the first. + * If msi==true, aligns the first IRQ number to num. + */ +int spapr_allocate_irq_block(int num, bool lsi, bool msi) { int first = -1; - int i; + int i, hint = 0; + + /* + * MSIMesage::data is used for storing VIRQ so + * it has to be aligned to num to support multiple + * MSI vectors. MSI-X is not affected by this. + * The hint is used for the first IRQ, the rest should + * be allocated continously. + */ + if (msi) { + assert((num == 1) || (num == 2) || (num == 4) || + (num == 8) || (num == 16) || (num == 32)); + hint = (spapr->next_irq + num - 1) & ~(num - 1); + } for (i = 0; i < num; ++i) { int irq; - irq = spapr_allocate_irq(0, lsi); + irq = spapr_allocate_irq(hint, lsi); if (!irq) { return -1; } if (0 == i) { first = irq; + hint = 0; } /* If the above doesn't create a consecutive block then that's @@ -262,7 +282,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model, uint32_t start_prop = cpu_to_be32(initrd_base); uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size); char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt" - "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk"; + "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk\0hcall-set-mode"; char qemu_hypertas_prop[] = "hcall-memop1"; uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)}; uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)}; @@ -789,7 +809,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, { int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; int index = spapr->htab_save_index; - int64_t starttime = qemu_get_clock_ns(rt_clock); + int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); assert(spapr->htab_first_pass); @@ -820,7 +840,7 @@ static void htab_save_first_pass(QEMUFile *f, sPAPREnvironment *spapr, qemu_put_buffer(f, HPTE(spapr->htab, chunkstart), HASH_PTE_SIZE_64 * n_valid); - if ((qemu_get_clock_ns(rt_clock) - starttime) > max_ns) { + if ((qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { break; } } @@ -841,7 +861,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, int htabslots = HTAB_SIZE(spapr) / HASH_PTE_SIZE_64; int examined = 0, sent = 0; int index = spapr->htab_save_index; - int64_t starttime = qemu_get_clock_ns(rt_clock); + int64_t starttime = qemu_clock_get_ns(QEMU_CLOCK_REALTIME); assert(!spapr->htab_first_pass); @@ -886,7 +906,7 @@ static int htab_save_later_pass(QEMUFile *f, sPAPREnvironment *spapr, HASH_PTE_SIZE_64 * n_valid); sent += index - chunkstart; - if (!final && (qemu_get_clock_ns(rt_clock) - starttime) > max_ns) { + if (!final && (qemu_clock_get_ns(QEMU_CLOCK_REALTIME) - starttime) > max_ns) { break; } } @@ -1214,6 +1234,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args) spapr_create_nvram(spapr); /* Set up PCI */ + spapr_pci_msi_init(spapr, SPAPR_PCI_MSI_WINDOW); spapr_pci_rtas_init(); phb = spapr_create_phb(spapr, 0); |