From f5598c92b84047c395836985715ff62c856ff2fe Mon Sep 17 00:00:00 2001 From: Greg Kurz Date: Sat, 21 Nov 2020 00:42:05 +0100 Subject: spapr: Make PHB placement functions and spapr_pre_plug_phb() return status Read documentation in "qapi/error.h" and changelog of commit e3fe3988d785 ("error: Document Error API usage rules") for rationale. Signed-off-by: Greg Kurz Message-Id: <20201120234208.683521-7-groug@kaod.org> Signed-off-by: David Gibson --- hw/ppc/spapr.c | 40 +++++++++++++++++++++++----------------- include/hw/ppc/spapr.h | 2 +- 2 files changed, 24 insertions(+), 18 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 9489c57..28d266f 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3879,7 +3879,7 @@ int spapr_phb_dt_populate(SpaprDrc *drc, SpaprMachineState *spapr, return 0; } -static void spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, +static bool spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp) { SpaprMachineState *spapr = SPAPR_MACHINE(OBJECT(hotplug_dev)); @@ -3889,24 +3889,25 @@ static void spapr_phb_pre_plug(HotplugHandler *hotplug_dev, DeviceState *dev, if (dev->hotplugged && !smc->dr_phb_enabled) { error_setg(errp, "PHB hotplug not supported for this machine"); - return; + return false; } if (sphb->index == (uint32_t)-1) { error_setg(errp, "\"index\" for PAPR PHB is mandatory"); - return; + return false; } /* * This will check that sphb->index doesn't exceed the maximum number of * PHBs for the current machine type. */ - smc->phb_placement(spapr, sphb->index, - &sphb->buid, &sphb->io_win_addr, - &sphb->mem_win_addr, &sphb->mem64_win_addr, - windows_supported, sphb->dma_liobn, - &sphb->nv2_gpa_win_addr, &sphb->nv2_atsd_win_addr, - errp); + return + smc->phb_placement(spapr, sphb->index, + &sphb->buid, &sphb->io_win_addr, + &sphb->mem_win_addr, &sphb->mem64_win_addr, + windows_supported, sphb->dma_liobn, + &sphb->nv2_gpa_win_addr, &sphb->nv2_atsd_win_addr, + errp); } static void spapr_phb_plug(HotplugHandler *hotplug_dev, DeviceState *dev, @@ -4144,7 +4145,7 @@ static const CPUArchIdList *spapr_possible_cpu_arch_ids(MachineState *machine) return machine->possible_cpus; } -static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, +static bool spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, @@ -4182,7 +4183,7 @@ static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, if (index >= SPAPR_MAX_PHBS) { error_setg(errp, "\"index\" for PAPR PHB is too large (max %llu)", SPAPR_MAX_PHBS - 1); - return; + return false; } *buid = base_buid + index; @@ -4196,6 +4197,7 @@ static void spapr_phb_placement(SpaprMachineState *spapr, uint32_t index, *nv2gpa = SPAPR_PCI_NV2RAM64_WIN_BASE + index * SPAPR_PCI_NV2RAM64_WIN_SIZE; *nv2atsd = SPAPR_PCI_NV2ATSD_WIN_BASE + index * SPAPR_PCI_NV2ATSD_WIN_SIZE; + return true; } static ICSState *spapr_ics_get(XICSFabric *dev, int irq) @@ -4586,18 +4588,21 @@ DEFINE_SPAPR_MACHINE(4_1, "4.1", false); /* * pseries-4.0 */ -static void phb_placement_4_0(SpaprMachineState *spapr, uint32_t index, +static bool phb_placement_4_0(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa, hwaddr *nv2atsd, Error **errp) { - spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma, liobns, - nv2gpa, nv2atsd, errp); + if (!spapr_phb_placement(spapr, index, buid, pio, mmio32, mmio64, n_dma, + liobns, nv2gpa, nv2atsd, errp)) { + return false; + } + *nv2gpa = 0; *nv2atsd = 0; + return true; } - static void spapr_machine_4_0_class_options(MachineClass *mc) { SpaprMachineClass *smc = SPAPR_MACHINE_CLASS(mc); @@ -4757,7 +4762,7 @@ DEFINE_SPAPR_MACHINE(2_8, "2.8", false); * pseries-2.7 */ -static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, +static bool phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, @@ -4789,7 +4794,7 @@ static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, if (index > max_index) { error_setg(errp, "\"index\" for PAPR PHB is too large (max %u)", max_index); - return; + return false; } *buid = base_buid + index; @@ -4808,6 +4813,7 @@ static void phb_placement_2_7(SpaprMachineState *spapr, uint32_t index, *nv2gpa = 0; *nv2atsd = 0; + return true; } static void spapr_machine_2_7_class_options(MachineClass *mc) diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 2e89e36..b7ced9f 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -140,7 +140,7 @@ struct SpaprMachineClass { bool pre_5_1_assoc_refpoints; bool pre_5_2_numa_associativity; - void (*phb_placement)(SpaprMachineState *spapr, uint32_t index, + bool (*phb_placement)(SpaprMachineState *spapr, uint32_t index, uint64_t *buid, hwaddr *pio, hwaddr *mmio32, hwaddr *mmio64, unsigned n_dma, uint32_t *liobns, hwaddr *nv2gpa, -- cgit v1.1