Re: [Qemu-devel] [PATCH 02/11] acpi: factor out common pm_update_sci() into acpi core

[Michael S. Tsirkin]

On Fri, Dec 13, 2013 at 05:22:07PM +0100, Igor Mammedov wrote:
> ... and rename it into acpi_update_sci() since it changes
> SCI on only on PM registers status.
> 
> Signed-off-by: Igor Mammedov <address@hidden>

Applied, thanks.

> ---
> ---
>  hw/acpi/core.c         | 18 ++++++++++++++++++
>  hw/acpi/ich9.c         | 23 ++---------------------
>  hw/acpi/piix4.c        | 26 ++++----------------------
>  include/hw/acpi/acpi.h |  8 ++++++++
>  4 files changed, 32 insertions(+), 43 deletions(-)
> 
> diff --git a/hw/acpi/core.c b/hw/acpi/core.c
> index 58308a3..79414b4 100644
> --- a/hw/acpi/core.c
> +++ b/hw/acpi/core.c
> @@ -662,3 +662,21 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t 
> addr)
>  
>      return val;
>  }
> +
> +void acpi_update_sci(ACPIREGS *regs, qemu_irq irq)
> +{
> +    int sci_level, pm1a_sts;
> +
> +    pm1a_sts = acpi_pm1_evt_get_sts(regs);
> +
> +    sci_level = ((pm1a_sts &
> +                  regs->pm1.evt.en & ACPI_BITMASK_PM1_COMMON_ENABLED) != 0) 
> ||
> +                ((regs->gpe.sts[0] & regs->gpe.en[0]) != 0);
> +
> +    qemu_set_irq(irq, sci_level);
> +
> +    /* schedule a timer interruption if needed */
> +    acpi_pm_tmr_update(regs,
> +                       (regs->pm1.evt.en & ACPI_BITMASK_TIMER_ENABLE) &&
> +                       !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
> +}
> diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
> index 7e0429e..dcdef7c 100644
> --- a/hw/acpi/ich9.c
> +++ b/hw/acpi/ich9.c
> @@ -44,29 +44,10 @@ do { printf("%s "fmt, __func__, ## __VA_ARGS__); } while 
> (0)
>  #define ICH9_DEBUG(fmt, ...)    do { } while (0)
>  #endif
>  
> -static void pm_update_sci(ICH9LPCPMRegs *pm)
> -{
> -    int sci_level, pm1a_sts;
> -
> -    pm1a_sts = acpi_pm1_evt_get_sts(&pm->acpi_regs);
> -
> -    sci_level = (((pm1a_sts & pm->acpi_regs.pm1.evt.en) &
> -                  (ACPI_BITMASK_RT_CLOCK_ENABLE |
> -                   ACPI_BITMASK_POWER_BUTTON_ENABLE |
> -                   ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
> -                   ACPI_BITMASK_TIMER_ENABLE)) != 0);
> -    qemu_set_irq(pm->irq, sci_level);
> -
> -    /* schedule a timer interruption if needed */
> -    acpi_pm_tmr_update(&pm->acpi_regs,
> -                       (pm->acpi_regs.pm1.evt.en & 
> ACPI_BITMASK_TIMER_ENABLE) &&
> -                       !(pm1a_sts & ACPI_BITMASK_TIMER_STATUS));
> -}
> -
>  static void ich9_pm_update_sci_fn(ACPIREGS *regs)
>  {
>      ICH9LPCPMRegs *pm = container_of(regs, ICH9LPCPMRegs, acpi_regs);
> -    pm_update_sci(pm);
> +    acpi_update_sci(&pm->acpi_regs, pm->irq);
>  }
>  
>  static uint64_t ich9_gpe_readb(void *opaque, hwaddr addr, unsigned width)
> @@ -193,7 +174,7 @@ static void pm_reset(void *opaque)
>          pm->smi_en |= ICH9_PMIO_SMI_EN_APMC_EN;
>      }
>  
> -    pm_update_sci(pm);
> +    acpi_update_sci(&pm->acpi_regs, pm->irq);
>  }
>  
>  static void pm_powerdown_req(Notifier *n, void *opaque)
> diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
> index b4caeab..b6b97ce 100644
> --- a/hw/acpi/piix4.c
> +++ b/hw/acpi/piix4.c
> @@ -112,28 +112,10 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion 
> *parent,
>  #define ACPI_ENABLE 0xf1
>  #define ACPI_DISABLE 0xf0
>  
> -static void pm_update_sci(PIIX4PMState *s)
> -{
> -    int sci_level, pmsts;
> -
> -    pmsts = acpi_pm1_evt_get_sts(&s->ar);
> -    sci_level = (((pmsts & s->ar.pm1.evt.en) &
> -                  (ACPI_BITMASK_RT_CLOCK_ENABLE |
> -                   ACPI_BITMASK_POWER_BUTTON_ENABLE |
> -                   ACPI_BITMASK_GLOBAL_LOCK_ENABLE |
> -                   ACPI_BITMASK_TIMER_ENABLE)) != 0) ||
> -        ((s->ar.gpe.sts[0] & s->ar.gpe.en[0]) != 0);
> -
> -    qemu_set_irq(s->irq, sci_level);
> -    /* schedule a timer interruption if needed */
> -    acpi_pm_tmr_update(&s->ar, (s->ar.pm1.evt.en & 
> ACPI_BITMASK_TIMER_ENABLE) &&
> -                       !(pmsts & ACPI_BITMASK_TIMER_STATUS));
> -}
> -
>  static void pm_tmr_timer(ACPIREGS *ar)
>  {
>      PIIX4PMState *s = container_of(ar, PIIX4PMState, ar);
> -    pm_update_sci(s);
> +    acpi_update_sci(&s->ar, s->irq);
>  }
>  
>  static void apm_ctrl_changed(uint32_t val, void *arg)
> @@ -577,7 +559,7 @@ static void gpe_writeb(void *opaque, hwaddr addr, 
> uint64_t val,
>      PIIX4PMState *s = opaque;
>  
>      acpi_gpe_ioport_writeb(&s->ar, addr, val);
> -    pm_update_sci(s);
> +    acpi_update_sci(&s->ar, s->irq);
>  
>      PIIX4_DPRINTF("gpe write %" HWADDR_PRIx " <== %" PRIu64 "\n", addr, val);
>  }
> @@ -693,7 +675,7 @@ static void piix4_cpu_hotplug_req(PIIX4PMState *s, 
> CPUState *cpu,
>      } else {
>          g->sts[cpu_id / 8] &= ~(1 << (cpu_id % 8));
>      }
> -    pm_update_sci(s);
> +    acpi_update_sci(&s->ar, s->irq);
>  }
>  
>  static void piix4_cpu_added_req(Notifier *n, void *opaque)
> @@ -767,7 +749,7 @@ static int piix4_device_hotplug(DeviceState *qdev, 
> PCIDevice *dev,
>          disable_device(s, slot);
>      }
>  
> -    pm_update_sci(s);
> +    acpi_update_sci(&s->ar, s->irq);
>  
>      return 0;
>  }
> diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
> index 6bbcb17..3e53297 100644
> --- a/include/hw/acpi/acpi.h
> +++ b/include/hw/acpi/acpi.h
> @@ -69,6 +69,12 @@
>  #define ACPI_BITMASK_RT_CLOCK_ENABLE            0x0400
>  #define ACPI_BITMASK_PCIEXP_WAKE_DISABLE        0x4000       /* ACPI 3.0 */
>  
> +#define ACPI_BITMASK_PM1_COMMON_ENABLED         ( \
> +        ACPI_BITMASK_RT_CLOCK_ENABLE        | \
> +        ACPI_BITMASK_POWER_BUTTON_ENABLE    | \
> +        ACPI_BITMASK_GLOBAL_LOCK_ENABLE     | \
> +        ACPI_BITMASK_TIMER_ENABLE)
> +
>  /* PM1x_CNT */
>  #define ACPI_BITMASK_SCI_ENABLE                 0x0001
>  #define ACPI_BITMASK_BUS_MASTER_RLD             0x0002
> @@ -160,6 +166,8 @@ void acpi_gpe_reset(ACPIREGS *ar);
>  void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
>  uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
>  
> +void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
> +
>  /* acpi.c */
>  extern int acpi_enabled;
>  extern char unsigned *acpi_tables;
> -- 
> 1.8.3.1