| Message ID | 20240220160622.114437-2-peter.maydell@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | reset: Make whole system three-phase-reset aware | expand |
On 2/20/24 06:06, Peter Maydell wrote: > Add the two IDE bus BusState pointers to the set we keep in PCMachineState. > This allows us to avoid passing them to pc_cmos_init(), and also will > allow a refactoring of how we call pc_cmos_init_late(). > > Signed-off-by: Peter Maydell<peter.maydell@linaro.org> > --- > include/hw/i386/pc.h | 4 +++- > hw/i386/pc.c | 5 ++--- > hw/i386/pc_piix.c | 16 +++++++--------- > hw/i386/pc_q35.c | 9 ++++----- > 4 files changed, 16 insertions(+), 18 deletions(-) Acked-by: Richard Henderson <richard.henderson@linaro.org> r~
Hi Peter, On 20/2/24 17:06, Peter Maydell wrote: > Add the two IDE bus BusState pointers to the set we keep in PCMachineState. > This allows us to avoid passing them to pc_cmos_init(), and also will > allow a refactoring of how we call pc_cmos_init_late(). > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > include/hw/i386/pc.h | 4 +++- > hw/i386/pc.c | 5 ++--- > hw/i386/pc_piix.c | 16 +++++++--------- > hw/i386/pc_q35.c | 9 ++++----- > 4 files changed, 16 insertions(+), 18 deletions(-) > @@ -300,13 +299,13 @@ static void pc_q35_init(MachineState *machine) > ICH9_SATA1_FUNC), > "ich9-ahci"); > ich9 = ICH9_AHCI(pdev); > - idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); > - idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); > + pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); > + pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); > g_assert(MAX_SATA_PORTS == ich9->ahci.ports); > ide_drive_get(hd, ich9->ahci.ports); > ahci_ide_create_devs(&ich9->ahci, hd); > } else { > - idebus[0] = idebus[1] = NULL; > + pcms->idebus[0] = pcms->idebus[1] = NULL; Since PCMachineState is zero-initialized, this part is now pointless. Since my ICH9 series clashes with your patch, I'm inclined to queue it in my hw-misc tree, with the following squashed: -- >8 -- - } else { - pcms->idebus[0] = pcms->idebus[1] = NULL; --- > } > > if (machine_usb(machine)) { > @@ -327,7 +326,7 @@ static void pc_q35_init(MachineState *machine) > smbus_eeprom_init(pcms->smbus, 8, NULL, 0); > } > > - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); > + pc_cmos_init(pcms, rtc_state); > > /* the rest devices to which pci devfn is automatically assigned */ > pc_vga_init(isa_bus, host_bus);
On 21/2/24 14:07, Philippe Mathieu-Daudé wrote: > Hi Peter, > > On 20/2/24 17:06, Peter Maydell wrote: >> Add the two IDE bus BusState pointers to the set we keep in >> PCMachineState. >> This allows us to avoid passing them to pc_cmos_init(), and also will >> allow a refactoring of how we call pc_cmos_init_late(). >> >> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> >> --- >> include/hw/i386/pc.h | 4 +++- >> hw/i386/pc.c | 5 ++--- >> hw/i386/pc_piix.c | 16 +++++++--------- >> hw/i386/pc_q35.c | 9 ++++----- >> 4 files changed, 16 insertions(+), 18 deletions(-) > > >> @@ -300,13 +299,13 @@ static void pc_q35_init(MachineState *machine) >> >> ICH9_SATA1_FUNC), >> "ich9-ahci"); >> ich9 = ICH9_AHCI(pdev); >> - idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); >> - idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); >> + pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); >> + pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); >> g_assert(MAX_SATA_PORTS == ich9->ahci.ports); >> ide_drive_get(hd, ich9->ahci.ports); >> ahci_ide_create_devs(&ich9->ahci, hd); >> } else { >> - idebus[0] = idebus[1] = NULL; >> + pcms->idebus[0] = pcms->idebus[1] = NULL; > > Since PCMachineState is zero-initialized, this part is now > pointless. > > Since my ICH9 series clashes with your patch, I'm inclined to > queue it in my hw-misc tree, with the following squashed: > > -- >8 -- > > - } else { > - pcms->idebus[0] = pcms->idebus[1] = NULL; > > --- Sorry sent too fast. Squashing -- >8 -- diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 8df88a6ccd..77d1b03fdf 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -311,6 +311,4 @@ static void pc_init1(MachineState *machine, i8257_dma_init(OBJECT(machine), isa_bus, 0); pcms->hpet_enabled = false; - pcms->idebus[0] = NULL; - pcms->idebus[1] = NULL; } diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 71402c36eb..0e9bd27a6e 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -305,6 +305,4 @@ static void pc_q35_init(MachineState *machine) ide_drive_get(hd, ich9->ahci.ports); ahci_ide_create_devs(&ich9->ahci, hd); - } else { - pcms->idebus[0] = pcms->idebus[1] = NULL; } --- Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
On Tue, Feb 20, 2024 at 04:06:13PM +0000, Peter Maydell wrote: > Date: Tue, 20 Feb 2024 16:06:13 +0000 > From: Peter Maydell <peter.maydell@linaro.org> > Subject: [PATCH 01/10] hw/i386: Store pointers to IDE buses in > PCMachineState > X-Mailer: git-send-email 2.34.1 > > Add the two IDE bus BusState pointers to the set we keep in PCMachineState. > This allows us to avoid passing them to pc_cmos_init(), and also will > allow a refactoring of how we call pc_cmos_init_late(). > > Signed-off-by: Peter Maydell <peter.maydell@linaro.org> > --- > include/hw/i386/pc.h | 4 +++- > hw/i386/pc.c | 5 ++--- > hw/i386/pc_piix.c | 16 +++++++--------- > hw/i386/pc_q35.c | 9 ++++----- > 4 files changed, 16 insertions(+), 18 deletions(-) Reviewed-by: Zhao Liu <zhao1.liu@intel.com> > > diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h > index ec0e5efcb28..8f8ac894b10 100644 > --- a/include/hw/i386/pc.h > +++ b/include/hw/i386/pc.h > @@ -17,6 +17,8 @@ > > #define HPET_INTCAP "hpet-intcap" > > +#define MAX_IDE_BUS 2 > + > /** > * PCMachineState: > * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling > @@ -37,6 +39,7 @@ typedef struct PCMachineState { > PFlashCFI01 *flash[2]; > ISADevice *pcspk; > DeviceState *iommu; > + BusState *idebus[MAX_IDE_BUS]; > > /* Configuration options: */ > uint64_t max_ram_below_4g; > @@ -182,7 +185,6 @@ void pc_basic_device_init(struct PCMachineState *pcms, > bool create_fdctrl, > uint32_t hpet_irqs); > void pc_cmos_init(PCMachineState *pcms, > - BusState *ide0, BusState *ide1, > ISADevice *s); > void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus); > > diff --git a/hw/i386/pc.c b/hw/i386/pc.c > index 196827531a5..8b0f54e284c 100644 > --- a/hw/i386/pc.c > +++ b/hw/i386/pc.c > @@ -574,7 +574,6 @@ static void pc_cmos_init_late(void *opaque) > } > > void pc_cmos_init(PCMachineState *pcms, > - BusState *idebus0, BusState *idebus1, > ISADevice *rtc) > { > int val; > @@ -634,8 +633,8 @@ void pc_cmos_init(PCMachineState *pcms, > > /* hard drives and FDC */ > arg.rtc_state = s; > - arg.idebus[0] = idebus0; > - arg.idebus[1] = idebus1; > + arg.idebus[0] = pcms->idebus[0]; > + arg.idebus[1] = pcms->idebus[1]; > qemu_register_reset(pc_cmos_init_late, &arg); > } > > diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c > index 999b7b806ca..8df88a6ccd1 100644 > --- a/hw/i386/pc_piix.c > +++ b/hw/i386/pc_piix.c > @@ -68,7 +68,6 @@ > #include "kvm/kvm-cpu.h" > #include "target/i386/cpu.h" > > -#define MAX_IDE_BUS 2 > #define XEN_IOAPIC_NUM_PIRQS 128ULL > > #ifdef CONFIG_IDE_ISA > @@ -114,7 +113,6 @@ static void pc_init1(MachineState *machine, > Object *piix4_pm = NULL; > qemu_irq smi_irq; > GSIState *gsi_state; > - BusState *idebus[MAX_IDE_BUS]; > ISADevice *rtc_state; > MemoryRegion *ram_memory; > MemoryRegion *pci_memory = NULL; > @@ -299,8 +297,8 @@ static void pc_init1(MachineState *machine, > piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); > dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); > pci_ide_create_devs(PCI_DEVICE(dev)); > - idebus[0] = qdev_get_child_bus(dev, "ide.0"); > - idebus[1] = qdev_get_child_bus(dev, "ide.1"); > + pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); > + pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); > } else { > isa_bus = isa_bus_new(NULL, system_memory, system_io, > &error_abort); > @@ -312,8 +310,8 @@ static void pc_init1(MachineState *machine, > > i8257_dma_init(OBJECT(machine), isa_bus, 0); > pcms->hpet_enabled = false; > - idebus[0] = NULL; > - idebus[1] = NULL; > + pcms->idebus[0] = NULL; > + pcms->idebus[1] = NULL; > } > > if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { > @@ -342,7 +340,7 @@ static void pc_init1(MachineState *machine, > pc_nic_init(pcmc, isa_bus, pci_bus); > > if (pcmc->pci_enabled) { > - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); > + pc_cmos_init(pcms, rtc_state); > } > #ifdef CONFIG_IDE_ISA > else { > @@ -361,9 +359,9 @@ static void pc_init1(MachineState *machine, > * second one. > */ > busname[4] = '0' + i; > - idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); > + pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); > } > - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); > + pc_cmos_init(pcms, rtc_state); > } > #endif > > diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c > index d346fa3b1d6..71402c36eb2 100644 > --- a/hw/i386/pc_q35.c > +++ b/hw/i386/pc_q35.c > @@ -126,7 +126,6 @@ static void pc_q35_init(MachineState *machine) > PCIBus *host_bus; > PCIDevice *lpc; > DeviceState *lpc_dev; > - BusState *idebus[MAX_SATA_PORTS]; > ISADevice *rtc_state; > MemoryRegion *system_memory = get_system_memory(); > MemoryRegion *system_io = get_system_io(); > @@ -300,13 +299,13 @@ static void pc_q35_init(MachineState *machine) > ICH9_SATA1_FUNC), > "ich9-ahci"); > ich9 = ICH9_AHCI(pdev); > - idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); > - idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); > + pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); > + pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); > g_assert(MAX_SATA_PORTS == ich9->ahci.ports); > ide_drive_get(hd, ich9->ahci.ports); > ahci_ide_create_devs(&ich9->ahci, hd); > } else { > - idebus[0] = idebus[1] = NULL; > + pcms->idebus[0] = pcms->idebus[1] = NULL; > } > > if (machine_usb(machine)) { > @@ -327,7 +326,7 @@ static void pc_q35_init(MachineState *machine) > smbus_eeprom_init(pcms->smbus, 8, NULL, 0); > } > > - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); > + pc_cmos_init(pcms, rtc_state); > > /* the rest devices to which pci devfn is automatically assigned */ > pc_vga_init(isa_bus, host_bus); > -- > 2.34.1 > >
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index ec0e5efcb28..8f8ac894b10 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -17,6 +17,8 @@ #define HPET_INTCAP "hpet-intcap" +#define MAX_IDE_BUS 2 + /** * PCMachineState: * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling @@ -37,6 +39,7 @@ typedef struct PCMachineState { PFlashCFI01 *flash[2]; ISADevice *pcspk; DeviceState *iommu; + BusState *idebus[MAX_IDE_BUS]; /* Configuration options: */ uint64_t max_ram_below_4g; @@ -182,7 +185,6 @@ void pc_basic_device_init(struct PCMachineState *pcms, bool create_fdctrl, uint32_t hpet_irqs); void pc_cmos_init(PCMachineState *pcms, - BusState *ide0, BusState *ide1, ISADevice *s); void pc_nic_init(PCMachineClass *pcmc, ISABus *isa_bus, PCIBus *pci_bus); diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 196827531a5..8b0f54e284c 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -574,7 +574,6 @@ static void pc_cmos_init_late(void *opaque) } void pc_cmos_init(PCMachineState *pcms, - BusState *idebus0, BusState *idebus1, ISADevice *rtc) { int val; @@ -634,8 +633,8 @@ void pc_cmos_init(PCMachineState *pcms, /* hard drives and FDC */ arg.rtc_state = s; - arg.idebus[0] = idebus0; - arg.idebus[1] = idebus1; + arg.idebus[0] = pcms->idebus[0]; + arg.idebus[1] = pcms->idebus[1]; qemu_register_reset(pc_cmos_init_late, &arg); } diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 999b7b806ca..8df88a6ccd1 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -68,7 +68,6 @@ #include "kvm/kvm-cpu.h" #include "target/i386/cpu.h" -#define MAX_IDE_BUS 2 #define XEN_IOAPIC_NUM_PIRQS 128ULL #ifdef CONFIG_IDE_ISA @@ -114,7 +113,6 @@ static void pc_init1(MachineState *machine, Object *piix4_pm = NULL; qemu_irq smi_irq; GSIState *gsi_state; - BusState *idebus[MAX_IDE_BUS]; ISADevice *rtc_state; MemoryRegion *ram_memory; MemoryRegion *pci_memory = NULL; @@ -299,8 +297,8 @@ static void pc_init1(MachineState *machine, piix4_pm = object_resolve_path_component(OBJECT(pci_dev), "pm"); dev = DEVICE(object_resolve_path_component(OBJECT(pci_dev), "ide")); pci_ide_create_devs(PCI_DEVICE(dev)); - idebus[0] = qdev_get_child_bus(dev, "ide.0"); - idebus[1] = qdev_get_child_bus(dev, "ide.1"); + pcms->idebus[0] = qdev_get_child_bus(dev, "ide.0"); + pcms->idebus[1] = qdev_get_child_bus(dev, "ide.1"); } else { isa_bus = isa_bus_new(NULL, system_memory, system_io, &error_abort); @@ -312,8 +310,8 @@ static void pc_init1(MachineState *machine, i8257_dma_init(OBJECT(machine), isa_bus, 0); pcms->hpet_enabled = false; - idebus[0] = NULL; - idebus[1] = NULL; + pcms->idebus[0] = NULL; + pcms->idebus[1] = NULL; } if (x86ms->pic == ON_OFF_AUTO_ON || x86ms->pic == ON_OFF_AUTO_AUTO) { @@ -342,7 +340,7 @@ static void pc_init1(MachineState *machine, pc_nic_init(pcmc, isa_bus, pci_bus); if (pcmc->pci_enabled) { - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); + pc_cmos_init(pcms, rtc_state); } #ifdef CONFIG_IDE_ISA else { @@ -361,9 +359,9 @@ static void pc_init1(MachineState *machine, * second one. */ busname[4] = '0' + i; - idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); + pcms->idebus[i] = qdev_get_child_bus(DEVICE(dev), busname); } - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); + pc_cmos_init(pcms, rtc_state); } #endif diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index d346fa3b1d6..71402c36eb2 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -126,7 +126,6 @@ static void pc_q35_init(MachineState *machine) PCIBus *host_bus; PCIDevice *lpc; DeviceState *lpc_dev; - BusState *idebus[MAX_SATA_PORTS]; ISADevice *rtc_state; MemoryRegion *system_memory = get_system_memory(); MemoryRegion *system_io = get_system_io(); @@ -300,13 +299,13 @@ static void pc_q35_init(MachineState *machine) ICH9_SATA1_FUNC), "ich9-ahci"); ich9 = ICH9_AHCI(pdev); - idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); - idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); + pcms->idebus[0] = qdev_get_child_bus(DEVICE(pdev), "ide.0"); + pcms->idebus[1] = qdev_get_child_bus(DEVICE(pdev), "ide.1"); g_assert(MAX_SATA_PORTS == ich9->ahci.ports); ide_drive_get(hd, ich9->ahci.ports); ahci_ide_create_devs(&ich9->ahci, hd); } else { - idebus[0] = idebus[1] = NULL; + pcms->idebus[0] = pcms->idebus[1] = NULL; } if (machine_usb(machine)) { @@ -327,7 +326,7 @@ static void pc_q35_init(MachineState *machine) smbus_eeprom_init(pcms->smbus, 8, NULL, 0); } - pc_cmos_init(pcms, idebus[0], idebus[1], rtc_state); + pc_cmos_init(pcms, rtc_state); /* the rest devices to which pci devfn is automatically assigned */ pc_vga_init(isa_bus, host_bus);
Add the two IDE bus BusState pointers to the set we keep in PCMachineState. This allows us to avoid passing them to pc_cmos_init(), and also will allow a refactoring of how we call pc_cmos_init_late(). Signed-off-by: Peter Maydell <peter.maydell@linaro.org> --- include/hw/i386/pc.h | 4 +++- hw/i386/pc.c | 5 ++--- hw/i386/pc_piix.c | 16 +++++++--------- hw/i386/pc_q35.c | 9 ++++----- 4 files changed, 16 insertions(+), 18 deletions(-)