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-rw-r--r--hw/ppc/spapr.c196
-rw-r--r--hw/ppc/spapr_cpu_core.c24
-rw-r--r--hw/ppc/spapr_events.c10
-rw-r--r--hw/ppc/spapr_hcall.c89
-rw-r--r--hw/ppc/spapr_pci.c312
-rw-r--r--hw/ppc/spapr_vio.c2
6 files changed, 523 insertions, 110 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 87d8366c44..81c6c1c27c 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -63,6 +63,7 @@
#include "qemu/error-report.h"
#include "trace.h"
#include "hw/nmi.h"
+#include "hw/intc/intc.h"
#include "hw/compat.h"
#include "qemu/cutils.h"
@@ -95,37 +96,68 @@
#define HTAB_SIZE(spapr) (1ULL << ((spapr)->htab_shift))
-static XICSState *try_create_xics(const char *type, int nr_servers,
- int nr_irqs, Error **errp)
+static int try_create_xics(sPAPRMachineState *spapr, const char *type_ics,
+ const char *type_icp, int nr_servers,
+ int nr_irqs, Error **errp)
{
- Error *err = NULL;
- DeviceState *dev;
+ XICSFabric *xi = XICS_FABRIC(spapr);
+ Error *err = NULL, *local_err = NULL;
+ ICSState *ics = NULL;
+ int i;
- dev = qdev_create(NULL, type);
- qdev_prop_set_uint32(dev, "nr_servers", nr_servers);
- qdev_prop_set_uint32(dev, "nr_irqs", nr_irqs);
- object_property_set_bool(OBJECT(dev), true, "realized", &err);
+ ics = ICS_SIMPLE(object_new(type_ics));
+ qdev_set_parent_bus(DEVICE(ics), sysbus_get_default());
+ object_property_add_child(OBJECT(spapr), "ics", OBJECT(ics), NULL);
+ object_property_set_int(OBJECT(ics), nr_irqs, "nr-irqs", &err);
+ object_property_add_const_link(OBJECT(ics), "xics", OBJECT(xi), NULL);
+ object_property_set_bool(OBJECT(ics), true, "realized", &local_err);
+ error_propagate(&err, local_err);
if (err) {
- error_propagate(errp, err);
- object_unparent(OBJECT(dev));
- return NULL;
+ goto error;
}
- return XICS_COMMON(dev);
+
+ spapr->icps = g_malloc0(nr_servers * sizeof(ICPState));
+ spapr->nr_servers = nr_servers;
+
+ for (i = 0; i < nr_servers; i++) {
+ ICPState *icp = &spapr->icps[i];
+
+ object_initialize(icp, sizeof(*icp), type_icp);
+ qdev_set_parent_bus(DEVICE(icp), sysbus_get_default());
+ object_property_add_child(OBJECT(spapr), "icp[*]", OBJECT(icp), NULL);
+ object_property_add_const_link(OBJECT(icp), "xics", OBJECT(xi), NULL);
+ object_property_set_bool(OBJECT(icp), true, "realized", &err);
+ if (err) {
+ goto error;
+ }
+ object_unref(OBJECT(icp));
+ }
+
+ spapr->ics = ics;
+ return 0;
+
+error:
+ error_propagate(errp, err);
+ if (ics) {
+ object_unparent(OBJECT(ics));
+ }
+ return -1;
}
-static XICSState *xics_system_init(MachineState *machine,
- int nr_servers, int nr_irqs, Error **errp)
+static int xics_system_init(MachineState *machine,
+ int nr_servers, int nr_irqs, Error **errp)
{
- XICSState *xics = NULL;
+ int rc = -1;
if (kvm_enabled()) {
Error *err = NULL;
- if (machine_kernel_irqchip_allowed(machine)) {
- xics = try_create_xics(TYPE_XICS_SPAPR_KVM, nr_servers, nr_irqs,
- &err);
+ if (machine_kernel_irqchip_allowed(machine) &&
+ !xics_kvm_init(SPAPR_MACHINE(machine), errp)) {
+ rc = try_create_xics(SPAPR_MACHINE(machine), TYPE_ICS_KVM,
+ TYPE_KVM_ICP, nr_servers, nr_irqs, &err);
}
- if (machine_kernel_irqchip_required(machine) && !xics) {
+ if (machine_kernel_irqchip_required(machine) && rc < 0) {
error_reportf_err(err,
"kernel_irqchip requested but unavailable: ");
} else {
@@ -133,11 +165,13 @@ static XICSState *xics_system_init(MachineState *machine,
}
}
- if (!xics) {
- xics = try_create_xics(TYPE_XICS_SPAPR, nr_servers, nr_irqs, errp);
+ if (rc < 0) {
+ xics_spapr_init(SPAPR_MACHINE(machine), errp);
+ rc = try_create_xics(SPAPR_MACHINE(machine), TYPE_ICS_SIMPLE,
+ TYPE_ICP, nr_servers, nr_irqs, errp);
}
- return xics;
+ return rc;
}
static int spapr_fixup_cpu_smt_dt(void *fdt, int offset, PowerPCCPU *cpu,
@@ -924,7 +958,7 @@ static void *spapr_build_fdt(sPAPRMachineState *spapr,
_FDT(fdt_setprop_cell(fdt, 0, "#size-cells", 2));
/* /interrupt controller */
- spapr_dt_xics(spapr->xics, fdt, PHANDLE_XICP);
+ spapr_dt_xics(spapr->nr_servers, fdt, PHANDLE_XICP);
ret = spapr_populate_memory(spapr, fdt);
if (ret < 0) {
@@ -1053,6 +1087,62 @@ static void close_htab_fd(sPAPRMachineState *spapr)
spapr->htab_fd = -1;
}
+static hwaddr spapr_hpt_mask(PPCVirtualHypervisor *vhyp)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
+
+ return HTAB_SIZE(spapr) / HASH_PTEG_SIZE_64 - 1;
+}
+
+static const ppc_hash_pte64_t *spapr_map_hptes(PPCVirtualHypervisor *vhyp,
+ hwaddr ptex, int n)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
+ hwaddr pte_offset = ptex * HASH_PTE_SIZE_64;
+
+ if (!spapr->htab) {
+ /*
+ * HTAB is controlled by KVM. Fetch into temporary buffer
+ */
+ ppc_hash_pte64_t *hptes = g_malloc(n * HASH_PTE_SIZE_64);
+ kvmppc_read_hptes(hptes, ptex, n);
+ return hptes;
+ }
+
+ /*
+ * HTAB is controlled by QEMU. Just point to the internally
+ * accessible PTEG.
+ */
+ return (const ppc_hash_pte64_t *)(spapr->htab + pte_offset);
+}
+
+static void spapr_unmap_hptes(PPCVirtualHypervisor *vhyp,
+ const ppc_hash_pte64_t *hptes,
+ hwaddr ptex, int n)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
+
+ if (!spapr->htab) {
+ g_free((void *)hptes);
+ }
+
+ /* Nothing to do for qemu managed HPT */
+}
+
+static void spapr_store_hpte(PPCVirtualHypervisor *vhyp, hwaddr ptex,
+ uint64_t pte0, uint64_t pte1)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(vhyp);
+ hwaddr offset = ptex * HASH_PTE_SIZE_64;
+
+ if (!spapr->htab) {
+ kvmppc_write_hpte(ptex, pte0, pte1);
+ } else {
+ stq_p(spapr->htab + offset, pte0);
+ stq_p(spapr->htab + offset + HASH_PTE_SIZE_64 / 2, pte1);
+ }
+}
+
static int spapr_hpt_shift_for_ramsize(uint64_t ramsize)
{
int shift;
@@ -1252,6 +1342,13 @@ static int spapr_post_load(void *opaque, int version_id)
sPAPRMachineState *spapr = (sPAPRMachineState *)opaque;
int err = 0;
+ if (!object_dynamic_cast(OBJECT(spapr->ics), TYPE_ICS_KVM)) {
+ int i;
+ for (i = 0; i < spapr->nr_servers; i++) {
+ icp_resend(&spapr->icps[i]);
+ }
+ }
+
/* In earlier versions, there was no separate qdev for the PAPR
* RTC, so the RTC offset was stored directly in sPAPREnvironment.
* So when migrating from those versions, poke the incoming offset
@@ -1902,9 +1999,8 @@ static void ppc_spapr_init(MachineState *machine)
load_limit = MIN(spapr->rma_size, RTAS_MAX_ADDR) - FW_OVERHEAD;
/* Set up Interrupt Controller before we create the VCPUs */
- spapr->xics = xics_system_init(machine,
- DIV_ROUND_UP(max_cpus * smt, smp_threads),
- XICS_IRQS_SPAPR, &error_fatal);
+ xics_system_init(machine, DIV_ROUND_UP(max_cpus * smt, smp_threads),
+ XICS_IRQS_SPAPR, &error_fatal);
/* Set up containers for ibm,client-set-architecture negotiated options */
spapr->ov5 = spapr_ovec_new();
@@ -2872,6 +2968,40 @@ static void spapr_phb_placement(sPAPRMachineState *spapr, uint32_t index,
*mmio64 = SPAPR_PCI_BASE + (index + 1) * SPAPR_PCI_MEM64_WIN_SIZE;
}
+static ICSState *spapr_ics_get(XICSFabric *dev, int irq)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(dev);
+
+ return ics_valid_irq(spapr->ics, irq) ? spapr->ics : NULL;
+}
+
+static void spapr_ics_resend(XICSFabric *dev)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(dev);
+
+ ics_resend(spapr->ics);
+}
+
+static ICPState *spapr_icp_get(XICSFabric *xi, int server)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(xi);
+
+ return (server < spapr->nr_servers) ? &spapr->icps[server] : NULL;
+}
+
+static void spapr_pic_print_info(InterruptStatsProvider *obj,
+ Monitor *mon)
+{
+ sPAPRMachineState *spapr = SPAPR_MACHINE(obj);
+ int i;
+
+ for (i = 0; i < spapr->nr_servers; i++) {
+ icp_pic_print_info(&spapr->icps[i], mon);
+ }
+
+ ics_pic_print_info(spapr->ics, mon);
+}
+
static void spapr_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@@ -2880,6 +3010,8 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
NMIClass *nc = NMI_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
PPCVirtualHypervisorClass *vhc = PPC_VIRTUAL_HYPERVISOR_CLASS(oc);
+ XICSFabricClass *xic = XICS_FABRIC_CLASS(oc);
+ InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc);
mc->desc = "pSeries Logical Partition (PAPR compliant)";
@@ -2891,7 +3023,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
mc->init = ppc_spapr_init;
mc->reset = ppc_spapr_reset;
mc->block_default_type = IF_SCSI;
- mc->max_cpus = 255;
+ mc->max_cpus = 1024;
mc->no_parallel = 1;
mc->default_boot_order = "";
mc->default_ram_size = 512 * M_BYTE;
@@ -2913,6 +3045,14 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
nc->nmi_monitor_handler = spapr_nmi;
smc->phb_placement = spapr_phb_placement;
vhc->hypercall = emulate_spapr_hypercall;
+ vhc->hpt_mask = spapr_hpt_mask;
+ vhc->map_hptes = spapr_map_hptes;
+ vhc->unmap_hptes = spapr_unmap_hptes;
+ vhc->store_hpte = spapr_store_hpte;
+ xic->ics_get = spapr_ics_get;
+ xic->ics_resend = spapr_ics_resend;
+ xic->icp_get = spapr_icp_get;
+ ispc->print_info = spapr_pic_print_info;
}
static const TypeInfo spapr_machine_info = {
@@ -2929,6 +3069,8 @@ static const TypeInfo spapr_machine_info = {
{ TYPE_NMI },
{ TYPE_HOTPLUG_HANDLER },
{ TYPE_PPC_VIRTUAL_HYPERVISOR },
+ { TYPE_XICS_FABRIC },
+ { TYPE_INTERRUPT_STATS_PROVIDER },
{ }
},
};
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c
index 55cd0456eb..90d682fe33 100644
--- a/hw/ppc/spapr_cpu_core.c
+++ b/hw/ppc/spapr_cpu_core.c
@@ -13,10 +13,12 @@
#include "hw/boards.h"
#include "qapi/error.h"
#include "sysemu/cpus.h"
+#include "sysemu/kvm.h"
#include "target/ppc/kvm_ppc.h"
#include "hw/ppc/ppc.h"
#include "target/ppc/mmu-hash64.h"
#include "sysemu/numa.h"
+#include "qemu/error-report.h"
static void spapr_cpu_reset(void *opaque)
{
@@ -34,15 +36,26 @@ static void spapr_cpu_reset(void *opaque)
env->spr[SPR_HIOR] = 0;
- ppc_hash64_set_external_hpt(cpu, spapr->htab, spapr->htab_shift,
- &error_fatal);
+ /*
+ * This is a hack for the benefit of KVM PR - it abuses the SDR1
+ * slot in kvm_sregs to communicate the userspace address of the
+ * HPT
+ */
+ if (kvm_enabled()) {
+ env->spr[SPR_SDR1] = (target_ulong)(uintptr_t)spapr->htab
+ | (spapr->htab_shift - 18);
+ if (kvmppc_put_books_sregs(cpu) < 0) {
+ error_report("Unable to update SDR1 in KVM");
+ exit(1);
+ }
+ }
}
static void spapr_cpu_destroy(PowerPCCPU *cpu)
{
sPAPRMachineState *spapr = SPAPR_MACHINE(qdev_get_machine());
- xics_cpu_destroy(spapr->xics, cpu);
+ xics_cpu_destroy(XICS_FABRIC(spapr), cpu);
qemu_unregister_reset(spapr_cpu_reset, cpu);
}
@@ -57,8 +70,7 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
cpu_ppc_tb_init(env, SPAPR_TIMEBASE_FREQ);
/* Enable PAPR mode in TCG or KVM */
- cpu_ppc_set_vhyp(cpu, PPC_VIRTUAL_HYPERVISOR(spapr));
- cpu_ppc_set_papr(cpu);
+ cpu_ppc_set_papr(cpu, PPC_VIRTUAL_HYPERVISOR(spapr));
if (cpu->max_compat) {
Error *local_err = NULL;
@@ -76,7 +88,7 @@ static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu,
cs->numa_node = i;
}
- xics_cpu_setup(spapr->xics, cpu);
+ xics_cpu_setup(XICS_FABRIC(spapr), cpu);
qemu_register_reset(spapr_cpu_reset, cpu);
spapr_cpu_reset(cpu);
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index f85a9c32a7..24a5758e62 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -481,7 +481,7 @@ static void spapr_powerdown_req(Notifier *n, void *opaque)
rtas_event_log_queue(RTAS_LOG_TYPE_EPOW, new_epow, true);
- qemu_irq_pulse(xics_get_qirq(spapr->xics,
+ qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr),
rtas_event_log_to_irq(spapr,
RTAS_LOG_TYPE_EPOW)));
}
@@ -574,7 +574,7 @@ static void spapr_hotplug_req_event(uint8_t hp_id, uint8_t hp_action,
rtas_event_log_queue(RTAS_LOG_TYPE_HOTPLUG, new_hp, true);
- qemu_irq_pulse(xics_get_qirq(spapr->xics,
+ qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr),
rtas_event_log_to_irq(spapr,
RTAS_LOG_TYPE_HOTPLUG)));
}
@@ -695,7 +695,7 @@ static void check_exception(PowerPCCPU *cpu, sPAPRMachineState *spapr,
spapr_event_sources_get_source(spapr->event_sources, i);
g_assert(source->enabled);
- qemu_irq_pulse(xics_get_qirq(spapr->xics, source->irq));
+ qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), source->irq));
}
}
@@ -752,7 +752,7 @@ void spapr_events_init(sPAPRMachineState *spapr)
spapr->event_sources = spapr_event_sources_new();
spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_EPOW,
- xics_spapr_alloc(spapr->xics, 0, false,
+ spapr_ics_alloc(spapr->ics, 0, false,
&error_fatal));
/* NOTE: if machine supports modern/dedicated hotplug event source,
@@ -765,7 +765,7 @@ void spapr_events_init(sPAPRMachineState *spapr)
*/
if (spapr->use_hotplug_event_source) {
spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_HOT_PLUG,
- xics_spapr_alloc(spapr->xics, 0, false,
+ spapr_ics_alloc(spapr->ics, 0, false,
&error_fatal));
}
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 42d20e0b92..f05a90ed2c 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -47,12 +47,12 @@ static bool has_spr(PowerPCCPU *cpu, int spr)
return cpu->env.spr_cb[spr].name != NULL;
}
-static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index)
+static inline bool valid_ptex(PowerPCCPU *cpu, target_ulong ptex)
{
/*
- * hash value/pteg group index is normalized by htab_mask
+ * hash value/pteg group index is normalized by HPT mask
*/
- if (((pte_index & ~7ULL) / HPTES_PER_GROUP) & ~env->htab_mask) {
+ if (((ptex & ~7ULL) / HPTES_PER_GROUP) & ~ppc_hash64_hpt_mask(cpu)) {
return false;
}
return true;
@@ -77,15 +77,14 @@ static bool is_ram_address(sPAPRMachineState *spapr, hwaddr addr)
static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
- target_ulong pte_index = args[1];
+ target_ulong ptex = args[1];
target_ulong pteh = args[2];
target_ulong ptel = args[3];
unsigned apshift;
target_ulong raddr;
- target_ulong index;
- uint64_t token;
+ target_ulong slot;
+ const ppc_hash_pte64_t *hptes;
apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel);
if (!apshift) {
@@ -116,36 +115,36 @@ static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr,
pteh &= ~0x60ULL;
- if (!valid_pte_index(env, pte_index)) {
+ if (!valid_ptex(cpu, ptex)) {
return H_PARAMETER;
}
- index = 0;
+ slot = ptex & 7ULL;
+ ptex = ptex & ~7ULL;
+
if (likely((flags & H_EXACT) == 0)) {
- pte_index &= ~7ULL;
- token = ppc_hash64_start_access(cpu, pte_index);
- for (; index < 8; index++) {
- if (!(ppc_hash64_load_hpte0(cpu, token, index) & HPTE64_V_VALID)) {
+ hptes = ppc_hash64_map_hptes(cpu, ptex, HPTES_PER_GROUP);
+ for (slot = 0; slot < 8; slot++) {
+ if (!(ppc_hash64_hpte0(cpu, hptes, slot) & HPTE64_V_VALID)) {
break;
}
}
- ppc_hash64_stop_access(cpu, token);
- if (index == 8) {
+ ppc_hash64_unmap_hptes(cpu, hptes, ptex, HPTES_PER_GROUP);
+ if (slot == 8) {
return H_PTEG_FULL;
}
} else {
- token = ppc_hash64_start_access(cpu, pte_index);
- if (ppc_hash64_load_hpte0(cpu, token, 0) & HPTE64_V_VALID) {
- ppc_hash64_stop_access(cpu, token);
+ hptes = ppc_hash64_map_hptes(cpu, ptex + slot, 1);
+ if (ppc_hash64_hpte0(cpu, hptes, 0) & HPTE64_V_VALID) {
+ ppc_hash64_unmap_hptes(cpu, hptes, ptex + slot, 1);
return H_PTEG_FULL;
}
- ppc_hash64_stop_access(cpu, token);
+ ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
}
- ppc_hash64_store_hpte(cpu, pte_index + index,
- pteh | HPTE64_V_HPTE_DIRTY, ptel);
+ ppc_hash64_store_hpte(cpu, ptex + slot, pteh | HPTE64_V_HPTE_DIRTY, ptel);
- args[0] = pte_index + index;
+ args[0] = ptex + slot;
return H_SUCCESS;
}
@@ -161,18 +160,17 @@ static RemoveResult remove_hpte(PowerPCCPU *cpu, target_ulong ptex,
target_ulong flags,
target_ulong *vp, target_ulong *rp)
{
- CPUPPCState *env = &cpu->env;
- uint64_t token;
+ const ppc_hash_pte64_t *hptes;
target_ulong v, r;
- if (!valid_pte_index(env, ptex)) {
+ if (!valid_ptex(cpu, ptex)) {
return REMOVE_PARM;
}
- token = ppc_hash64_start_access(cpu, ptex);
- v = ppc_hash64_load_hpte0(cpu, token, 0);
- r = ppc_hash64_load_hpte1(cpu, token, 0);
- ppc_hash64_stop_access(cpu, token);
+ hptes = ppc_hash64_map_hptes(cpu, ptex, 1);
+ v = ppc_hash64_hpte0(cpu, hptes, 0);
+ r = ppc_hash64_hpte1(cpu, hptes, 0);
+ ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
if ((v & HPTE64_V_VALID) == 0 ||
((flags & H_AVPN) && (v & ~0x7fULL) != avpn) ||
@@ -191,11 +189,11 @@ static target_ulong h_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr,
{
CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
- target_ulong pte_index = args[1];
+ target_ulong ptex = args[1];
target_ulong avpn = args[2];
RemoveResult ret;
- ret = remove_hpte(cpu, pte_index, avpn, flags,
+ ret = remove_hpte(cpu, ptex, avpn, flags,
&args[0], &args[1]);
switch (ret) {
@@ -291,19 +289,19 @@ static target_ulong h_protect(PowerPCCPU *cpu, sPAPRMachineState *spapr,
{
CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
- target_ulong pte_index = args[1];
+ target_ulong ptex = args[1];
target_ulong avpn = args[2];
- uint64_t token;
+ const ppc_hash_pte64_t *hptes;
target_ulong v, r;
- if (!valid_pte_index(env, pte_index)) {
+ if (!valid_ptex(cpu, ptex)) {
return H_PARAMETER;
}
- token = ppc_hash64_start_access(cpu, pte_index);
- v = ppc_hash64_load_hpte0(cpu, token, 0);
- r = ppc_hash64_load_hpte1(cpu, token, 0);
- ppc_hash64_stop_access(cpu, token);
+ hptes = ppc_hash64_map_hptes(cpu, ptex, 1);
+ v = ppc_hash64_hpte0(cpu, hptes, 0);
+ r = ppc_hash64_hpte1(cpu, hptes, 0);
+ ppc_hash64_unmap_hptes(cpu, hptes, ptex, 1);
if ((v & HPTE64_V_VALID) == 0 ||
((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) {
@@ -315,36 +313,35 @@ static target_ulong h_protect(PowerPCCPU *cpu, sPAPRMachineState *spapr,
r |= (flags << 55) & HPTE64_R_PP0;
r |= (flags << 48) & HPTE64_R_KEY_HI;
r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO);
- ppc_hash64_store_hpte(cpu, pte_index,
+ ppc_hash64_store_hpte(cpu, ptex,
(v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0);
- ppc_hash64_tlb_flush_hpte(cpu, pte_index, v, r);
+ ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r);
/* Flush the tlb */
check_tlb_flush(env, true);
/* Don't need a memory barrier, due to qemu's global lock */
- ppc_hash64_store_hpte(cpu, pte_index, v | HPTE64_V_HPTE_DIRTY, r);
+ ppc_hash64_store_hpte(cpu, ptex, v | HPTE64_V_HPTE_DIRTY, r);
return H_SUCCESS;
}
static target_ulong h_read(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
- target_ulong pte_index = args[1];
+ target_ulong ptex = args[1];
uint8_t *hpte;
int i, ridx, n_entries = 1;
- if (!valid_pte_index(env, pte_index)) {
+ if (!valid_ptex(cpu, ptex)) {
return H_PARAMETER;
}
if (flags & H_READ_4) {
/* Clear the two low order bits */
- pte_index &= ~(3ULL);
+ ptex &= ~(3ULL);
n_entries = 4;
}
- hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64);
+ hpte = spapr->htab + (ptex * HASH_PTE_SIZE_64);
for (i = 0, ridx = 0; i < n_entries; i++) {
args[ridx++] = ldq_p(hpte);
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index fd6fc1d953..2a3499eaf8 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -43,6 +43,7 @@
#include "hw/pci/pci_bridge.h"
#include "hw/pci/pci_bus.h"
+#include "hw/pci/pci_ids.h"
#include "hw/ppc/spapr_drc.h"
#include "sysemu/device_tree.h"
#include "sysemu/kvm.h"
@@ -325,7 +326,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- xics_spapr_free(spapr->xics, msi->first_irq, msi->num);
+ spapr_ics_free(spapr->ics, msi->first_irq, msi->num);
if (msi_present(pdev)) {
spapr_msi_setmsg(pdev, 0, false, 0, 0);
}
@@ -363,7 +364,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
}
/* Allocate MSIs */
- irq = xics_spapr_alloc_block(spapr->xics, req_num, false,
+ irq = spapr_ics_alloc_block(spapr->ics, req_num, false,
ret_intr_type == RTAS_TYPE_MSI, &err);
if (err) {
error_reportf_err(err, "Can't allocate MSIs for device %x: ",
@@ -374,7 +375,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
/* Release previous MSIs */
if (msi) {
- xics_spapr_free(spapr->xics, msi->first_irq, msi->num);
+ spapr_ics_free(spapr->ics, msi->first_irq, msi->num);
g_hash_table_remove(phb->msi, &config_addr);
}
@@ -736,7 +737,7 @@ static void spapr_msi_write(void *opaque, hwaddr addr,
trace_spapr_pci_msi_write(addr, data, irq);
- qemu_irq_pulse(xics_get_qirq(spapr->xics, irq));
+ qemu_irq_pulse(xics_get_qirq(XICS_FABRIC(spapr), irq));
}
static const MemoryRegionOps spapr_msi_ops = {
@@ -946,6 +947,274 @@ static void populate_resource_props(PCIDevice *d, ResourceProps *rp)
rp->assigned_len = assigned_idx * sizeof(ResourceFields);
}
+typedef struct PCIClass PCIClass;
+typedef struct PCISubClass PCISubClass;
+typedef struct PCIIFace PCIIFace;
+
+struct PCIIFace {
+ int iface;
+ const char *name;
+};
+
+struct PCISubClass {
+ int subclass;
+ const char *name;
+ const PCIIFace *iface;
+};
+
+struct PCIClass {
+ const char *name;
+ const PCISubClass *subc;
+};
+
+static const PCISubClass undef_subclass[] = {
+ { PCI_CLASS_NOT_DEFINED_VGA, "display", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass mass_subclass[] = {
+ { PCI_CLASS_STORAGE_SCSI, "scsi", NULL },
+ { PCI_CLASS_STORAGE_IDE, "ide", NULL },
+ { PCI_CLASS_STORAGE_FLOPPY, "fdc", NULL },
+ { PCI_CLASS_STORAGE_IPI, "ipi", NULL },
+ { PCI_CLASS_STORAGE_RAID, "raid", NULL },
+ { PCI_CLASS_STORAGE_ATA, "ata", NULL },
+ { PCI_CLASS_STORAGE_SATA, "sata", NULL },
+ { PCI_CLASS_STORAGE_SAS, "sas", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass net_subclass[] = {
+ { PCI_CLASS_NETWORK_ETHERNET, "ethernet", NULL },
+ { PCI_CLASS_NETWORK_TOKEN_RING, "token-ring", NULL },
+ { PCI_CLASS_NETWORK_FDDI, "fddi", NULL },
+ { PCI_CLASS_NETWORK_ATM, "atm", NULL },
+ { PCI_CLASS_NETWORK_ISDN, "isdn", NULL },
+ { PCI_CLASS_NETWORK_WORLDFIP, "worldfip", NULL },
+ { PCI_CLASS_NETWORK_PICMG214, "picmg", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass displ_subclass[] = {
+ { PCI_CLASS_DISPLAY_VGA, "vga", NULL },
+ { PCI_CLASS_DISPLAY_XGA, "xga", NULL },
+ { PCI_CLASS_DISPLAY_3D, "3d-controller", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass media_subclass[] = {
+ { PCI_CLASS_MULTIMEDIA_VIDEO, "video", NULL },
+ { PCI_CLASS_MULTIMEDIA_AUDIO, "sound", NULL },
+ { PCI_CLASS_MULTIMEDIA_PHONE, "telephony", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass mem_subclass[] = {
+ { PCI_CLASS_MEMORY_RAM, "memory", NULL },
+ { PCI_CLASS_MEMORY_FLASH, "flash", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass bridg_subclass[] = {
+ { PCI_CLASS_BRIDGE_HOST, "host", NULL },
+ { PCI_CLASS_BRIDGE_ISA, "isa", NULL },
+ { PCI_CLASS_BRIDGE_EISA, "eisa", NULL },
+ { PCI_CLASS_BRIDGE_MC, "mca", NULL },
+ { PCI_CLASS_BRIDGE_PCI, "pci", NULL },
+ { PCI_CLASS_BRIDGE_PCMCIA, "pcmcia", NULL },
+ { PCI_CLASS_BRIDGE_NUBUS, "nubus", NULL },
+ { PCI_CLASS_BRIDGE_CARDBUS, "cardbus", NULL },
+ { PCI_CLASS_BRIDGE_RACEWAY, "raceway", NULL },
+ { PCI_CLASS_BRIDGE_PCI_SEMITP, "semi-transparent-pci", NULL },
+ { PCI_CLASS_BRIDGE_IB_PCI, "infiniband", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass comm_subclass[] = {
+ { PCI_CLASS_COMMUNICATION_SERIAL, "serial", NULL },
+ { PCI_CLASS_COMMUNICATION_PARALLEL, "parallel", NULL },
+ { PCI_CLASS_COMMUNICATION_MULTISERIAL, "multiport-serial", NULL },
+ { PCI_CLASS_COMMUNICATION_MODEM, "modem", NULL },
+ { PCI_CLASS_COMMUNICATION_GPIB, "gpib", NULL },
+ { PCI_CLASS_COMMUNICATION_SC, "smart-card", NULL },
+ { 0xFF, NULL, NULL, },
+};
+
+static const PCIIFace pic_iface[] = {
+ { PCI_CLASS_SYSTEM_PIC_IOAPIC, "io-apic" },
+ { PCI_CLASS_SYSTEM_PIC_IOXAPIC, "io-xapic" },
+ { 0xFF, NULL },
+};
+
+static const PCISubClass sys_subclass[] = {
+ { PCI_CLASS_SYSTEM_PIC, "interrupt-controller", pic_iface },
+ { PCI_CLASS_SYSTEM_DMA, "dma-controller", NULL },
+ { PCI_CLASS_SYSTEM_TIMER, "timer", NULL },
+ { PCI_CLASS_SYSTEM_RTC, "rtc", NULL },
+ { PCI_CLASS_SYSTEM_PCI_HOTPLUG, "hot-plug-controller", NULL },
+ { PCI_CLASS_SYSTEM_SDHCI, "sd-host-controller", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass inp_subclass[] = {
+ { PCI_CLASS_INPUT_KEYBOARD, "keyboard", NULL },
+ { PCI_CLASS_INPUT_PEN, "pen", NULL },
+ { PCI_CLASS_INPUT_MOUSE, "mouse", NULL },
+ { PCI_CLASS_INPUT_SCANNER, "scanner", NULL },
+ { PCI_CLASS_INPUT_GAMEPORT, "gameport", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass dock_subclass[] = {
+ { PCI_CLASS_DOCKING_GENERIC, "dock", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass cpu_subclass[] = {
+ { PCI_CLASS_PROCESSOR_PENTIUM, "pentium", NULL },
+ { PCI_CLASS_PROCESSOR_POWERPC, "powerpc", NULL },
+ { PCI_CLASS_PROCESSOR_MIPS, "mips", NULL },
+ { PCI_CLASS_PROCESSOR_CO, "co-processor", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCIIFace usb_iface[] = {
+ { PCI_CLASS_SERIAL_USB_UHCI, "usb-uhci" },
+ { PCI_CLASS_SERIAL_USB_OHCI, "usb-ohci", },
+ { PCI_CLASS_SERIAL_USB_EHCI, "usb-ehci" },
+ { PCI_CLASS_SERIAL_USB_XHCI, "usb-xhci" },
+ { PCI_CLASS_SERIAL_USB_UNKNOWN, "usb-unknown" },
+ { PCI_CLASS_SERIAL_USB_DEVICE, "usb-device" },
+ { 0xFF, NULL },
+};
+
+static const PCISubClass ser_subclass[] = {
+ { PCI_CLASS_SERIAL_FIREWIRE, "firewire", NULL },
+ { PCI_CLASS_SERIAL_ACCESS, "access-bus", NULL },
+ { PCI_CLASS_SERIAL_SSA, "ssa", NULL },
+ { PCI_CLASS_SERIAL_USB, "usb", usb_iface },
+ { PCI_CLASS_SERIAL_FIBER, "fibre-channel", NULL },
+ { PCI_CLASS_SERIAL_SMBUS, "smb", NULL },
+ { PCI_CLASS_SERIAL_IB, "infiniband", NULL },
+ { PCI_CLASS_SERIAL_IPMI, "ipmi", NULL },
+ { PCI_CLASS_SERIAL_SERCOS, "sercos", NULL },
+ { PCI_CLASS_SERIAL_CANBUS, "canbus", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass wrl_subclass[] = {
+ { PCI_CLASS_WIRELESS_IRDA, "irda", NULL },
+ { PCI_CLASS_WIRELESS_CIR, "consumer-ir", NULL },
+ { PCI_CLASS_WIRELESS_RF_CONTROLLER, "rf-controller", NULL },
+ { PCI_CLASS_WIRELESS_BLUETOOTH, "bluetooth", NULL },
+ { PCI_CLASS_WIRELESS_BROADBAND, "broadband", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass sat_subclass[] = {
+ { PCI_CLASS_SATELLITE_TV, "satellite-tv", NULL },
+ { PCI_CLASS_SATELLITE_AUDIO, "satellite-audio", NULL },
+ { PCI_CLASS_SATELLITE_VOICE, "satellite-voice", NULL },
+ { PCI_CLASS_SATELLITE_DATA, "satellite-data", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass crypt_subclass[] = {
+ { PCI_CLASS_CRYPT_NETWORK, "network-encryption", NULL },
+ { PCI_CLASS_CRYPT_ENTERTAINMENT,
+ "entertainment-encryption", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCISubClass spc_subclass[] = {
+ { PCI_CLASS_SP_DPIO, "dpio", NULL },
+ { PCI_CLASS_SP_PERF, "counter", NULL },
+ { PCI_CLASS_SP_SYNCH, "measurement", NULL },
+ { PCI_CLASS_SP_MANAGEMENT, "management-card", NULL },
+ { 0xFF, NULL, NULL },
+};
+
+static const PCIClass pci_classes[] = {
+ { "legacy-device", undef_subclass },
+ { "mass-storage", mass_subclass },
+ { "network", net_subclass },
+ { "display", displ_subclass, },
+ { "multimedia-device", media_subclass },
+ { "memory-controller", mem_subclass },
+ { "unknown-bridge", bridg_subclass },
+ { "communication-controller", comm_subclass},
+ { "system-peripheral", sys_subclass },
+ { "input-controller", inp_subclass },
+ { "docking-station", dock_subclass },
+ { "cpu", cpu_subclass },
+ { "serial-bus", ser_subclass },
+ { "wireless-controller", wrl_subclass },
+ { "intelligent-io", NULL },
+ { "satellite-device", sat_subclass },
+ { "encryption", crypt_subclass },
+ { "data-processing-controller", spc_subclass },
+};
+
+static const char *pci_find_device_name(uint8_t class, uint8_t subclass,
+ uint8_t iface)
+{
+ const PCIClass *pclass;
+ const PCISubClass *psubclass;
+ const PCIIFace *piface;
+ const char *name;
+
+ if (class >= ARRAY_SIZE(pci_classes)) {
+ return "pci";
+ }
+
+ pclass = pci_classes + class;
+ name = pclass->name;
+
+ if (pclass->subc == NULL) {
+ return name;
+ }
+
+ psubclass = pclass->subc;
+ while ((psubclass->subclass & 0xff) != 0xff) {
+ if ((psubclass->subclass & 0xff) == subclass) {
+ name = psubclass->name;
+ break;
+ }
+ psubclass++;
+ }
+
+ piface = psubclass->iface;
+ if (piface == NULL) {
+ return name;
+ }
+ while ((piface->iface & 0xff) != 0xff) {
+ if ((piface->iface & 0xff) == iface) {
+ name = piface->name;
+ break;
+ }
+ piface++;
+ }
+
+ return name;
+}
+
+static void pci_get_node_name(char *nodename, int len, PCIDevice *dev)
+{
+ int slot = PCI_SLOT(dev->devfn);
+ int func = PCI_FUNC(dev->devfn);
+ uint32_t ccode = pci_default_read_config(dev, PCI_CLASS_PROG, 3);
+ const char *name;
+
+ name = pci_find_device_name((ccode >> 16) & 0xff, (ccode >> 8) & 0xff,
+ ccode & 0xff);
+
+ if (func != 0) {
+ snprintf(nodename, len, "%s@%x,%x", name, slot, func);
+ } else {
+ snprintf(nodename, len, "%s@%x", name, slot);
+ }
+}
+
static uint32_t spapr_phb_get_pci_drc_index(sPAPRPHBState *phb,
PCIDevice *pdev);
@@ -957,6 +1226,7 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
int pci_status, err;
char *buf = NULL;
uint32_t drc_index = spapr_phb_get_pci_drc_index(sphb, dev);
+ uint32_t ccode = pci_default_read_config(dev, PCI_CLASS_PROG, 3);
uint32_t max_msi, max_msix;
if (pci_default_read_config(dev, PCI_HEADER_TYPE, 1) ==
@@ -971,8 +1241,7 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
pci_default_read_config(dev, PCI_DEVICE_ID, 2)));
_FDT(fdt_setprop_cell(fdt, offset, "revision-id",
pci_default_read_config(dev, PCI_REVISION_ID, 1)));
- _FDT(fdt_setprop_cell(fdt, offset, "class-code",
- pci_default_read_config(dev, PCI_CLASS_PROG, 3)));
+ _FDT(fdt_setprop_cell(fdt, offset, "class-code", ccode));
if (pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)) {
_FDT(fdt_setprop_cell(fdt, offset, "interrupts",
pci_default_read_config(dev, PCI_INTERRUPT_PIN, 1)));
@@ -1013,11 +1282,10 @@ static int spapr_populate_pci_child_dt(PCIDevice *dev, void *fdt, int offset,
_FDT(fdt_setprop(fdt, offset, "udf-supported", NULL, 0));
}
- /* NOTE: this is normally generated by firmware via path/unit name,
- * but in our case we must set it manually since it does not get
- * processed by OF beforehand
- */
- _FDT(fdt_setprop_string(fdt, offset, "name", "pci"));
+ _FDT(fdt_setprop_string(fdt, offset, "name",
+ pci_find_device_name((ccode >> 16) & 0xff,
+ (ccode >> 8) & 0xff,
+ ccode & 0xff)));
buf = spapr_phb_get_loc_code(sphb, dev);
if (!buf) {
error_report("Failed setting the ibm,loc-code");
@@ -1061,15 +1329,9 @@ static int spapr_create_pci_child_dt(sPAPRPHBState *phb, PCIDevice *dev,
void *fdt, int node_offset)
{
int offset, ret;
- int slot = PCI_SLOT(dev->devfn);
- int func = PCI_FUNC(dev->devfn);
char nodename[FDT_NAME_MAX];
- if (func != 0) {
- snprintf(nodename, FDT_NAME_MAX, "pci@%x,%x", slot, func);
- } else {
- snprintf(nodename, FDT_NAME_MAX, "pci@%x", slot);
- }
+ pci_get_node_name(nodename, FDT_NAME_MAX, dev);
offset = fdt_add_subnode(fdt, node_offset, nodename);
ret = spapr_populate_pci_child_dt(dev, fdt, offset, phb);
@@ -1485,7 +1747,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
uint32_t irq;
Error *local_err = NULL;
- irq = xics_spapr_alloc_block(spapr->xics, 1, true, false, &local_err);
+ irq = spapr_ics_alloc_block(spapr->ics, 1, true, false, &local_err);
if (local_err) {
error_propagate(errp, local_err);
error_prepend(errp, "can't allocate LSIs: ");
@@ -1782,9 +2044,9 @@ static void spapr_populate_pci_devices_dt(PCIBus *bus, PCIDevice *pdev,
s_fdt.fdt = p->fdt;
s_fdt.node_off = offset;
s_fdt.sphb = p->sphb;
- pci_for_each_device(sec_bus, pci_bus_num(sec_bus),
- spapr_populate_pci_devices_dt,
- &s_fdt);
+ pci_for_each_device_reverse(sec_bus, pci_bus_num(sec_bus),
+ spapr_populate_pci_devices_dt,
+ &s_fdt);
}
static void spapr_phb_pci_enumerate_bridge(PCIBus *bus, PCIDevice *pdev,
@@ -1953,9 +2215,9 @@ int spapr_populate_pci_dt(sPAPRPHBState *phb,
s_fdt.fdt = fdt;
s_fdt.node_off = bus_off;
s_fdt.sphb = phb;
- pci_for_each_device(bus, pci_bus_num(bus),
- spapr_populate_pci_devices_dt,
- &s_fdt);
+ pci_for_each_device_reverse(bus, pci_bus_num(bus),
+ spapr_populate_pci_devices_dt,
+ &s_fdt);
ret = spapr_drc_populate_dt(fdt, bus_off, OBJECT(phb),
SPAPR_DR_CONNECTOR_TYPE_PCI);
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index 8bfc5f971f..a0ee4fd265 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -454,7 +454,7 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp)
dev->qdev.id = id;
}
- dev->irq = xics_spapr_alloc(spapr->xics, dev->irq, false, &local_err);
+ dev->irq = spapr_ics_alloc(spapr->ics, dev->irq, false, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-24 20:29:40 +0200