From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43770) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yn1hM-0000qF-NR for qemu-devel@nongnu.org; Tue, 28 Apr 2015 05:21:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Yn1hI-0004NF-3C for qemu-devel@nongnu.org; Tue, 28 Apr 2015 05:21:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37576) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Yn1Fc-0002Ix-R6 for qemu-devel@nongnu.org; Tue, 28 Apr 2015 04:52:21 -0400 Date: Tue, 28 Apr 2015 10:52:15 +0200 From: Igor Mammedov Message-ID: <20150428105215.72620e47@nial.brq.redhat.com> In-Reply-To: <1430209442-12039-1-git-send-email-zhugh.fnst@cn.fujitsu.com> References: <1430209442-12039-1-git-send-email-zhugh.fnst@cn.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v3] acpi: add acpi_send_gpe_event() to rise sci for hotplug List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Zhu Guihua Cc: qemu-devel@nongnu.org, mst@redhat.com On Tue, 28 Apr 2015 16:24:02 +0800 Zhu Guihua wrote: > Add a new API named acpi_send_gpe_event() to send hotplug SCI. > This API can be used by pci, cpu and memory hotplug. > > This patch is rebased on pci branch in mst's tree. > git://git.kernel.org/pub/scm/virt/kvm/mst/qemu.git > > Signed-off-by: Zhu Guihua > --- > v3: > -rebase on pci branch in mst's tree > -use the new API for memory hot unplug > > v2: > -fix the coding style > --- > hw/acpi/core.c | 7 +++++++ > hw/acpi/cpu_hotplug.c | 3 +-- > hw/acpi/memory_hotplug.c | 6 ++---- > hw/acpi/pcihp.c | 7 ++----- > include/hw/acpi/acpi.h | 9 +++++++++ > include/hw/acpi/memory_hotplug.h | 2 -- > include/hw/acpi/pc-hotplug.h | 1 - > 7 files changed, 21 insertions(+), 14 deletions(-) > > diff --git a/hw/acpi/core.c b/hw/acpi/core.c > index 51913d6..b52be95 100644 > --- a/hw/acpi/core.c > +++ b/hw/acpi/core.c > @@ -666,6 +666,13 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr) > return val; > } > > +void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq, > + AcpiHotplugStatus status) > +{ > + ar->gpe.sts[0] |= status; > + acpi_update_sci(ar, irq); > +} > + > void acpi_update_sci(ACPIREGS *regs, qemu_irq irq) > { > int sci_level, pm1a_sts; > diff --git a/hw/acpi/cpu_hotplug.c b/hw/acpi/cpu_hotplug.c > index b8ebfad..f5b9972 100644 > --- a/hw/acpi/cpu_hotplug.c > +++ b/hw/acpi/cpu_hotplug.c > @@ -59,8 +59,7 @@ void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq, > return; > } > > - ar->gpe.sts[0] |= ACPI_CPU_HOTPLUG_STATUS; > - acpi_update_sci(ar, irq); > + acpi_send_gpe_event(ar, irq, ACPI_CPU_HOTPLUG_STATUS); > } > > void acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner, > diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c > index 34cef1e..2ff0d5c 100644 > --- a/hw/acpi/memory_hotplug.c > +++ b/hw/acpi/memory_hotplug.c > @@ -241,8 +241,7 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, > mdev->is_inserting = true; > > /* do ACPI magic */ > - ar->gpe.sts[0] |= ACPI_MEMORY_HOTPLUG_STATUS; > - acpi_update_sci(ar, irq); > + acpi_send_gpe_event(ar, irq, ACPI_MEMORY_HOTPLUG_STATUS); > return; > } > > @@ -260,8 +259,7 @@ void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq, > mdev->is_removing = true; > > /* Do ACPI magic */ > - ar->gpe.sts[0] |= ACPI_MEMORY_HOTPLUG_STATUS; > - acpi_update_sci(ar, irq); > + acpi_send_gpe_event(ar, irq, ACPI_MEMORY_HOTPLUG_STATUS); > } > > void acpi_memory_unplug_cb(MemHotplugState *mem_st, > diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c > index 612fec0..4b9b2b0 100644 > --- a/hw/acpi/pcihp.c > +++ b/hw/acpi/pcihp.c > @@ -46,7 +46,6 @@ > # define ACPI_PCIHP_DPRINTF(format, ...) do { } while (0) > #endif > > -#define ACPI_PCI_HOTPLUG_STATUS 2 > #define ACPI_PCIHP_ADDR 0xae00 > #define ACPI_PCIHP_SIZE 0x0014 > #define ACPI_PCIHP_LEGACY_SIZE 0x000f > @@ -203,8 +202,7 @@ void acpi_pcihp_device_plug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, > > s->acpi_pcihp_pci_status[bsel].up |= (1U << slot); > > - ar->gpe.sts[0] |= ACPI_PCI_HOTPLUG_STATUS; > - acpi_update_sci(ar, irq); > + acpi_send_gpe_event(ar, irq, ACPI_PCI_HOTPLUG_STATUS); > } > > void acpi_pcihp_device_unplug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, > @@ -221,8 +219,7 @@ void acpi_pcihp_device_unplug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s, > > s->acpi_pcihp_pci_status[bsel].down |= (1U << slot); > > - ar->gpe.sts[0] |= ACPI_PCI_HOTPLUG_STATUS; > - acpi_update_sci(ar, irq); > + acpi_send_gpe_event(ar, irq, ACPI_PCI_HOTPLUG_STATUS); > } > > static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size) > diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h > index 1f678b4..7a712b3 100644 > --- a/include/hw/acpi/acpi.h > +++ b/include/hw/acpi/acpi.h > @@ -91,6 +91,12 @@ > /* PM2_CNT */ > #define ACPI_BITMASK_ARB_DISABLE 0x0001 > > +typedef enum { > + ACPI_PCI_HOTPLUG_STATUS = 2, > + ACPI_CPU_HOTPLUG_STATUS = 4, > + ACPI_MEMORY_HOTPLUG_STATUS = 8, > +} AcpiHotplugStatus; maybe AcpiGPEStatusBits? > + > /* structs */ > typedef struct ACPIPMTimer ACPIPMTimer; > typedef struct ACPIPM1EVT ACPIPM1EVT; > @@ -172,6 +178,9 @@ 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_send_gpe_event(ACPIREGS *ar, qemu_irq irq, > + AcpiHotplugStatus status); > + > void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq); > > /* acpi.c */ > diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h > index 986223b..1342adb 100644 > --- a/include/hw/acpi/memory_hotplug.h > +++ b/include/hw/acpi/memory_hotplug.h > @@ -5,8 +5,6 @@ > #include "hw/acpi/acpi.h" > #include "migration/vmstate.h" > > -#define ACPI_MEMORY_HOTPLUG_STATUS 8 > - > /** > * MemStatus: > * @is_removing: the memory device in slot has been requested to be ejected. > diff --git a/include/hw/acpi/pc-hotplug.h b/include/hw/acpi/pc-hotplug.h > index 0513c1c..77b1569 100644 > --- a/include/hw/acpi/pc-hotplug.h > +++ b/include/hw/acpi/pc-hotplug.h > @@ -16,7 +16,6 @@ > * ONLY DEFINEs are permited in this file since it's shared > * between C and ASL code. > */ > -#define ACPI_CPU_HOTPLUG_STATUS 4 > > /* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should > * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT.