From b4f27d71e3c98c9c4590de40d478004b8482b277 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Date: Mon, 27 Feb 2017 15:29:25 +0100 Subject: [PATCH] ppc/xics: use the QOM interface to grab an ICP MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Also introduce a xics_icp_get() helper to simplify the changes. Signed-off-by: Cédric Le Goater Signed-off-by: David Gibson --- hw/intc/xics.c | 32 ++++++++++++++++++-------------- hw/intc/xics_spapr.c | 17 +++++++++-------- hw/ppc/spapr.c | 2 +- hw/ppc/spapr_cpu_core.c | 4 ++-- include/hw/ppc/xics.h | 10 +++++----- 5 files changed, 35 insertions(+), 30 deletions(-) diff --git a/hw/intc/xics.c b/hw/intc/xics.c index 674ac4c91b..ddb0a6f48b 100644 --- a/hw/intc/xics.c +++ b/hw/intc/xics.c @@ -49,26 +49,26 @@ int xics_get_cpu_index_by_dt_id(int cpu_dt_id) return -1; } -void xics_cpu_destroy(XICSState *xics, PowerPCCPU *cpu) +void xics_cpu_destroy(XICSFabric *xi, PowerPCCPU *cpu) { CPUState *cs = CPU(cpu); - ICPState *ss = &xics->ss[cs->cpu_index]; + ICPState *ss = xics_icp_get(xi, cs->cpu_index); - assert(cs->cpu_index < xics->nr_servers); + assert(ss); assert(cs == ss->cs); ss->output = NULL; ss->cs = NULL; } -void xics_cpu_setup(XICSState *xics, PowerPCCPU *cpu) +void xics_cpu_setup(XICSFabric *xi, PowerPCCPU *cpu) { CPUState *cs = CPU(cpu); CPUPPCState *env = &cpu->env; - ICPState *ss = &xics->ss[cs->cpu_index]; + ICPState *ss = xics_icp_get(xi, cs->cpu_index); ICPStateClass *icpc; - assert(cs->cpu_index < xics->nr_servers); + assert(ss); ss->cs = cs; @@ -308,8 +308,7 @@ void icp_eoi(ICPState *ss, uint32_t xirr) static void icp_irq(ICSState *ics, int server, int nr, uint8_t priority) { - XICSState *xics = ics->xics; - ICPState *ss = xics->ss + server; + ICPState *ss = xics_icp_get(ics->xics, server); trace_xics_icp_irq(server, nr, priority); @@ -582,12 +581,10 @@ static void ics_simple_reset(DeviceState *dev) static int ics_simple_post_load(ICSState *ics, int version_id) { - int i; - - for (i = 0; i < ics->xics->nr_servers; i++) { - icp_resend(&ics->xics->ss[i]); - } + XICSFabric *xi = ics->xics; + XICSFabricClass *xic = XICS_FABRIC_GET_CLASS(xi); + xic->icp_resend(xi); return 0; } @@ -711,7 +708,7 @@ static void ics_base_realize(DeviceState *dev, Error **errp) __func__, error_get_pretty(err)); return; } - ics->xics = XICS_COMMON(obj); + ics->xics = XICS_FABRIC(obj); if (icsc->realize) { @@ -756,6 +753,13 @@ qemu_irq xics_get_qirq(XICSFabric *xi, int irq) return NULL; } +ICPState *xics_icp_get(XICSFabric *xi, int server) +{ + XICSFabricClass *xic = XICS_FABRIC_GET_CLASS(xi); + + return xic->icp_get(xi, server); +} + void ics_set_irq_type(ICSState *ics, int srcno, bool lsi) { assert(!(ics->irqs[srcno].flags & XICS_FLAGS_IRQ_MASK)); diff --git a/hw/intc/xics_spapr.c b/hw/intc/xics_spapr.c index 1501e796e5..bc62b0ccc2 100644 --- a/hw/intc/xics_spapr.c +++ b/hw/intc/xics_spapr.c @@ -44,7 +44,7 @@ static target_ulong h_cppr(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUState *cs = CPU(cpu); - ICPState *icp = &spapr->xics->ss[cs->cpu_index]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), cs->cpu_index); target_ulong cppr = args[0]; icp_set_cppr(icp, cppr); @@ -56,12 +56,13 @@ static target_ulong h_ipi(PowerPCCPU *cpu, sPAPRMachineState *spapr, { target_ulong server = xics_get_cpu_index_by_dt_id(args[0]); target_ulong mfrr = args[1]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), server); - if (server >= spapr->xics->nr_servers) { + if (!icp) { return H_PARAMETER; } - icp_set_mfrr(spapr->xics->ss + server, mfrr); + icp_set_mfrr(icp, mfrr); return H_SUCCESS; } @@ -69,7 +70,7 @@ static target_ulong h_xirr(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUState *cs = CPU(cpu); - ICPState *icp = &spapr->xics->ss[cs->cpu_index]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), cs->cpu_index); uint32_t xirr = icp_accept(icp); args[0] = xirr; @@ -80,7 +81,7 @@ static target_ulong h_xirr_x(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUState *cs = CPU(cpu); - ICPState *icp = &spapr->xics->ss[cs->cpu_index]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), cs->cpu_index); uint32_t xirr = icp_accept(icp); args[0] = xirr; @@ -92,7 +93,7 @@ static target_ulong h_eoi(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUState *cs = CPU(cpu); - ICPState *icp = &spapr->xics->ss[cs->cpu_index]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), cs->cpu_index); target_ulong xirr = args[0]; icp_eoi(icp, xirr); @@ -103,7 +104,7 @@ static target_ulong h_ipoll(PowerPCCPU *cpu, sPAPRMachineState *spapr, target_ulong opcode, target_ulong *args) { CPUState *cs = CPU(cpu); - ICPState *icp = &spapr->xics->ss[cs->cpu_index]; + ICPState *icp = xics_icp_get(XICS_FABRIC(spapr), cs->cpu_index); uint32_t mfrr; uint32_t xirr = icp_ipoll(icp, &mfrr); @@ -134,7 +135,7 @@ static void rtas_set_xive(PowerPCCPU *cpu, sPAPRMachineState *spapr, server = xics_get_cpu_index_by_dt_id(rtas_ld(args, 1)); priority = rtas_ld(args, 2); - if (!ics_valid_irq(ics, nr) || (server >= ics->xics->nr_servers) + if (!ics_valid_irq(ics, nr) || !xics_icp_get(XICS_FABRIC(spapr), server) || (priority > 0xff)) { rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); return; diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 5400519df9..f9289c68de 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -117,7 +117,7 @@ static XICSState *try_create_xics(sPAPRMachineState *spapr, 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(xics), NULL); + 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) { diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index ddb130f030..90d682fe33 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -55,7 +55,7 @@ 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); } @@ -88,7 +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/include/hw/ppc/xics.h b/include/hw/ppc/xics.h index d17f62c5cc..c57e80e418 100644 --- a/include/hw/ppc/xics.h +++ b/include/hw/ppc/xics.h @@ -151,7 +151,7 @@ struct ICSState { uint32_t offset; qemu_irq *qirqs; ICSIRQState *irqs; - XICSState *xics; + XICSFabric *xics; }; static inline bool ics_valid_irq(ICSState *ics, uint32_t nr) @@ -198,16 +198,16 @@ typedef struct XICSFabricClass { #define XICS_IRQS_SPAPR 1024 -qemu_irq xics_get_qirq(XICSFabric *xi, int irq); - 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(XICSState *xics, void *fdt, uint32_t phandle); -void xics_cpu_setup(XICSState *icp, PowerPCCPU *cpu); -void xics_cpu_destroy(XICSState *icp, PowerPCCPU *cpu); +qemu_irq xics_get_qirq(XICSFabric *xi, int irq); +ICPState *xics_icp_get(XICSFabric *xi, int server); +void xics_cpu_setup(XICSFabric *xi, PowerPCCPU *cpu); +void xics_cpu_destroy(XICSFabric *xi, PowerPCCPU *cpu); /* Internal XICS interfaces */ int xics_get_cpu_index_by_dt_id(int cpu_dt_id);