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Diffstat (limited to 'hw/ppc/spapr.c')
-rw-r--r--hw/ppc/spapr.c39
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);