aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hw/intc/trace-events4
-rw-r--r--hw/intc/xics_spapr.c114
-rw-r--r--hw/ppc/spapr.c114
-rw-r--r--hw/ppc/spapr_events.c4
-rw-r--r--hw/ppc/spapr_pci.c8
-rw-r--r--hw/ppc/spapr_vio.c2
-rw-r--r--hw/ppc/trace-events4
-rw-r--r--include/hw/ppc/spapr.h6
-rw-r--r--include/hw/ppc/xics.h4
9 files changed, 131 insertions, 129 deletions
diff --git a/hw/intc/trace-events b/hw/intc/trace-events
index b298fac7c6..7077aaaee6 100644
--- a/hw/intc/trace-events
+++ b/hw/intc/trace-events
@@ -64,10 +64,6 @@ xics_ics_simple_set_irq_lsi(int srcno, int nr) "set_irq_lsi: srcno %d [irq 0x%x]
xics_ics_simple_write_xive(int nr, int srcno, int server, uint8_t priority) "ics_write_xive: irq 0x%x [src %d] server 0x%x prio 0x%x"
xics_ics_simple_reject(int nr, int srcno) "reject irq 0x%x [src %d]"
xics_ics_simple_eoi(int nr) "ics_eoi: irq 0x%x"
-xics_alloc(int irq) "irq %d"
-xics_alloc_block(int first, int num, bool lsi, int align) "first irq %d, %d irqs, lsi=%d, alignnum %d"
-xics_ics_free(int src, int irq, int num) "Source#%d, first irq %d, %d irqs"
-xics_ics_free_warn(int src, int irq) "Source#%d, irq %d is already free"
# hw/intc/s390_flic_kvm.c
flic_create_device(int err) "flic: create device failed %d"
diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c
index e8c0a1b3e9..5a0967caf4 100644
--- a/hw/intc/xics_spapr.c
+++ b/hw/intc/xics_spapr.c
@@ -245,120 +245,6 @@ void xics_spapr_init(sPAPRMachineState *spapr)
spapr_register_hypercall(H_IPOLL, h_ipoll);
}
-#define ICS_IRQ_FREE(ics, srcno) \
- (!((ics)->irqs[(srcno)].flags & (XICS_FLAGS_IRQ_MASK)))
-
-static int ics_find_free_block(ICSState *ics, int num, int alignnum)
-{
- int first, i;
-
- for (first = 0; first < ics->nr_irqs; first += alignnum) {
- if (num > (ics->nr_irqs - first)) {
- return -1;
- }
- for (i = first; i < first + num; ++i) {
- if (!ICS_IRQ_FREE(ics, i)) {
- break;
- }
- }
- if (i == (first + num)) {
- return first;
- }
- }
-
- return -1;
-}
-
-int spapr_ics_alloc(ICSState *ics, int irq_hint, bool lsi, Error **errp)
-{
- int irq;
-
- if (!ics) {
- return -1;
- }
- if (irq_hint) {
- if (!ICS_IRQ_FREE(ics, irq_hint - ics->offset)) {
- error_setg(errp, "can't allocate IRQ %d: already in use", irq_hint);
- return -1;
- }
- irq = irq_hint;
- } else {
- irq = ics_find_free_block(ics, 1, 1);
- if (irq < 0) {
- error_setg(errp, "can't allocate IRQ: no IRQ left");
- return -1;
- }
- irq += ics->offset;
- }
-
- ics_set_irq_type(ics, irq - ics->offset, lsi);
- trace_xics_alloc(irq);
-
- return irq;
-}
-
-/*
- * Allocate block of consecutive IRQs, and return the number of the first IRQ in
- * the block. If align==true, aligns the first IRQ number to num.
- */
-int spapr_ics_alloc_block(ICSState *ics, int num, bool lsi,
- bool align, Error **errp)
-{
- int i, first = -1;
-
- if (!ics) {
- return -1;
- }
-
- /*
- * 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 continuously.
- */
- if (align) {
- assert((num == 1) || (num == 2) || (num == 4) ||
- (num == 8) || (num == 16) || (num == 32));
- first = ics_find_free_block(ics, num, num);
- } else {
- first = ics_find_free_block(ics, num, 1);
- }
- if (first < 0) {
- error_setg(errp, "can't find a free %d-IRQ block", num);
- return -1;
- }
-
- for (i = first; i < first + num; ++i) {
- ics_set_irq_type(ics, i, lsi);
- }
- first += ics->offset;
-
- trace_xics_alloc_block(first, num, lsi, align);
-
- return first;
-}
-
-static void ics_free(ICSState *ics, int srcno, int num)
-{
- int i;
-
- for (i = srcno; i < srcno + num; ++i) {
- if (ICS_IRQ_FREE(ics, i)) {
- trace_xics_ics_free_warn(0, i + ics->offset);
- }
- memset(&ics->irqs[i], 0, sizeof(ICSIRQState));
- }
-}
-
-void spapr_ics_free(ICSState *ics, int irq, int num)
-{
- if (ics_valid_irq(ics, irq)) {
- trace_xics_ics_free(0, irq, num);
- ics_free(ics, irq - ics->offset, num);
- }
-}
-
void spapr_dt_xics(int nr_servers, void *fdt, uint32_t phandle)
{
uint32_t interrupt_server_ranges_prop[] = {
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index f1b96a4e92..53c2c58a25 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3558,6 +3558,120 @@ static ICPState *spapr_icp_get(XICSFabric *xi, int vcpu_id)
return cpu ? ICP(cpu->intc) : NULL;
}
+#define ICS_IRQ_FREE(ics, srcno) \
+ (!((ics)->irqs[(srcno)].flags & (XICS_FLAGS_IRQ_MASK)))
+
+static int ics_find_free_block(ICSState *ics, int num, int alignnum)
+{
+ int first, i;
+
+ for (first = 0; first < ics->nr_irqs; first += alignnum) {
+ if (num > (ics->nr_irqs - first)) {
+ return -1;
+ }
+ for (i = first; i < first + num; ++i) {
+ if (!ICS_IRQ_FREE(ics, i)) {
+ break;
+ }
+ }
+ if (i == (first + num)) {
+ return first;
+ }
+ }
+
+ return -1;
+}
+
+int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
+ Error **errp)
+{
+ ICSState *ics = spapr->ics;
+ int irq;
+
+ if (!ics) {
+ return -1;
+ }
+ if (irq_hint) {
+ if (!ICS_IRQ_FREE(ics, irq_hint - ics->offset)) {
+ error_setg(errp, "can't allocate IRQ %d: already in use", irq_hint);
+ return -1;
+ }
+ irq = irq_hint;
+ } else {
+ irq = ics_find_free_block(ics, 1, 1);
+ if (irq < 0) {
+ error_setg(errp, "can't allocate IRQ: no IRQ left");
+ return -1;
+ }
+ irq += ics->offset;
+ }
+
+ ics_set_irq_type(ics, irq - ics->offset, lsi);
+ trace_spapr_irq_alloc(irq);
+
+ return irq;
+}
+
+/*
+ * Allocate block of consecutive IRQs, and return the number of the first IRQ in
+ * the block. If align==true, aligns the first IRQ number to num.
+ */
+int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
+ bool align, Error **errp)
+{
+ ICSState *ics = spapr->ics;
+ int i, first = -1;
+
+ if (!ics) {
+ return -1;
+ }
+
+ /*
+ * 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 continuously.
+ */
+ if (align) {
+ assert((num == 1) || (num == 2) || (num == 4) ||
+ (num == 8) || (num == 16) || (num == 32));
+ first = ics_find_free_block(ics, num, num);
+ } else {
+ first = ics_find_free_block(ics, num, 1);
+ }
+ if (first < 0) {
+ error_setg(errp, "can't find a free %d-IRQ block", num);
+ return -1;
+ }
+
+ for (i = first; i < first + num; ++i) {
+ ics_set_irq_type(ics, i, lsi);
+ }
+ first += ics->offset;
+
+ trace_spapr_irq_alloc_block(first, num, lsi, align);
+
+ return first;
+}
+
+void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num)
+{
+ ICSState *ics = spapr->ics;
+ int srcno = irq - ics->offset;
+ int i;
+
+ if (ics_valid_irq(ics, irq)) {
+ trace_spapr_irq_free(0, irq, num);
+ for (i = srcno; i < srcno + num; ++i) {
+ if (ICS_IRQ_FREE(ics, i)) {
+ trace_spapr_irq_free_warn(0, i + ics->offset);
+ }
+ memset(&ics->irqs[i], 0, sizeof(ICSIRQState));
+ }
+ }
+}
+
static void spapr_pic_print_info(InterruptStatsProvider *obj,
Monitor *mon)
{
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index e377fc7dde..cead596f3e 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -718,7 +718,7 @@ void spapr_events_init(sPAPRMachineState *spapr)
spapr->event_sources = spapr_event_sources_new();
spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_EPOW,
- spapr_ics_alloc(spapr->ics, 0, false,
+ spapr_irq_alloc(spapr, 0, false,
&error_fatal));
/* NOTE: if machine supports modern/dedicated hotplug event source,
@@ -731,7 +731,7 @@ void spapr_events_init(sPAPRMachineState *spapr)
*/
if (spapr->use_hotplug_event_source) {
spapr_event_sources_register(spapr->event_sources, EVENT_CLASS_HOT_PLUG,
- spapr_ics_alloc(spapr->ics, 0, false,
+ spapr_irq_alloc(spapr, 0, false,
&error_fatal));
}
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 5a3122a9f9..e0ef77a480 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -314,7 +314,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
return;
}
- spapr_ics_free(spapr->ics, msi->first_irq, msi->num);
+ spapr_irq_free(spapr, msi->first_irq, msi->num);
if (msi_present(pdev)) {
spapr_msi_setmsg(pdev, 0, false, 0, 0);
}
@@ -352,7 +352,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
}
/* Allocate MSIs */
- irq = spapr_ics_alloc_block(spapr->ics, req_num, false,
+ irq = spapr_irq_alloc_block(spapr, req_num, false,
ret_intr_type == RTAS_TYPE_MSI, &err);
if (err) {
error_reportf_err(err, "Can't allocate MSIs for device %x: ",
@@ -363,7 +363,7 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
/* Release previous MSIs */
if (msi) {
- spapr_ics_free(spapr->ics, msi->first_irq, msi->num);
+ spapr_irq_free(spapr, msi->first_irq, msi->num);
g_hash_table_remove(phb->msi, &config_addr);
}
@@ -1675,7 +1675,7 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
uint32_t irq;
Error *local_err = NULL;
- irq = spapr_ics_alloc_block(spapr->ics, 1, true, false, &local_err);
+ irq = spapr_irq_alloc_block(spapr, 1, true, false, &local_err);
if (local_err) {
error_propagate(errp, local_err);
error_prepend(errp, "can't allocate LSIs: ");
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index ea3bc8bd9e..bb7ed2c537 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 = spapr_ics_alloc(spapr->ics, dev->irq, false, &local_err);
+ dev->irq = spapr_irq_alloc(spapr, dev->irq, false, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
index 4a6a6490fa..b7c3e64b5e 100644
--- a/hw/ppc/trace-events
+++ b/hw/ppc/trace-events
@@ -12,6 +12,10 @@ spapr_pci_msi_retry(unsigned config_addr, unsigned req_num, unsigned max_irqs) "
# hw/ppc/spapr.c
spapr_cas_failed(unsigned long n) "DT diff buffer is too small: %ld bytes"
spapr_cas_continue(unsigned long n) "Copy changes to the guest: %ld bytes"
+spapr_irq_alloc(int irq) "irq %d"
+spapr_irq_alloc_block(int first, int num, bool lsi, int align) "first irq %d, %d irqs, lsi=%d, alignnum %d"
+spapr_irq_free(int src, int irq, int num) "Source#%d, first irq %d, %d irqs"
+spapr_irq_free_warn(int src, int irq) "Source#%d, irq %d is already free"
# hw/ppc/spapr_hcall.c
spapr_cas_pvr_try(uint32_t pvr) "0x%x"
diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h
index 9d21ca9bde..895f48471e 100644
--- a/include/hw/ppc/spapr.h
+++ b/include/hw/ppc/spapr.h
@@ -707,4 +707,10 @@ void spapr_do_system_reset_on_cpu(CPUState *cs, run_on_cpu_data arg);
int spapr_vcpu_id(PowerPCCPU *cpu);
PowerPCCPU *spapr_find_cpu(int vcpu_id);
+int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
+ Error **errp);
+int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
+ bool align, Error **errp);
+void spapr_irq_free(sPAPRMachineState *spapr, int irq, int num);
+
#endif /* HW_SPAPR_H */
diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h
index 2ba8b12208..0b67abbbb9 100644
--- a/include/hw/ppc/xics.h
+++ b/include/hw/ppc/xics.h
@@ -181,10 +181,6 @@ typedef struct XICSFabricClass {
#define XICS_IRQS_SPAPR 1024
-int spapr_ics_alloc(ICSState *ics, int irq_hint, bool lsi, Error **errp);
-int spapr_ics_alloc_block(ICSState *ics, int num, bool lsi, bool align,
- Error **errp);
-void spapr_ics_free(ICSState *ics, int irq, int num);
void spapr_dt_xics(int nr_servers, void *fdt, uint32_t phandle);
qemu_irq xics_get_qirq(XICSFabric *xi, int irq);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-23 23:19:18 +0000