| Message ID | 1364287937-19684-1-git-send-email-hutao@cn.fujitsu.com |
|---|---|
| State | New |
| Headers | show |
Il 26/03/2013 09:52, Hu Tao ha scritto: > pvpanic device is used to notify host(qemu) when guest panic happens. > > Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> > --- > > Paolo, > > Can I add your Signed-off-by? Since the original code is given by you. Sure, as you prefer. Paolo > src/acpi.c | 3 +++ > src/ssdt-misc.dsl | 46 ++++++++++++++++++++++++++++++++++++++++++++++ > 2 files changed, 49 insertions(+) > > diff --git a/src/acpi.c b/src/acpi.c > index bc4d8ea..fe504f0 100644 > --- a/src/acpi.c > +++ b/src/acpi.c > @@ -534,6 +534,9 @@ build_ssdt(void) > ssdt_ptr[acpi_pci64_valid[0]] = 0; > } > > + int pvpanic_port = romfile_loadint("etc/pvpanic-port", 0x0); > + *(u16 *)(ssdt_ptr + *ssdt_isa_pest) = pvpanic_port; > + > ssdt_ptr += sizeof(ssdp_misc_aml); > > // build Scope(_SB_) header > diff --git a/src/ssdt-misc.dsl b/src/ssdt-misc.dsl > index 679422b..acc850e 100644 > --- a/src/ssdt-misc.dsl > +++ b/src/ssdt-misc.dsl > @@ -55,4 +55,50 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1) > Zero /* reserved */ > }) > } > + > + External(\_SB.PCI0, DeviceObj) > + External(\_SB.PCI0.ISA, DeviceObj) > + > + Scope(\_SB.PCI0.ISA) { > + Device(PEVT) { > + Name(_HID, "QEMU0001") > + /* PEST will be patched to be Zero if no such device */ > + ACPI_EXTRACT_NAME_WORD_CONST ssdt_isa_pest > + Name(PEST, 0xFFFF) > + OperationRegion(PEOR, SystemIO, PEST, 0x01) > + Field(PEOR, ByteAcc, NoLock, Preserve) { > + PEPT, 8, > + } > + > + Method(_STA, 0, NotSerialized) { > + Store(PEST, Local0) > + If (LEqual(Local0, Zero)) { > + Return (0x00) > + } Else { > + Return (0x0F) > + } > + } > + > + Method(RDPT, 0, NotSerialized) { > + Store(PEPT, Local0) > + Return (Local0) > + } > + > + Method(WRPT, 1, NotSerialized) { > + Store(Arg0, PEPT) > + } > + > + Name(_CRS, ResourceTemplate() { > + IO(Decode16, 0x00, 0x00, 0x01, 0x01, IO) > + }) > + > + CreateWordField(_CRS, IO._MIN, IOMN) > + CreateWordField(_CRS, IO._MAX, IOMX) > + > + Method(_INI, 0, NotSerialized) { > + Store(PEST, IOMN) > + Store(PEST, IOMX) > + } > + } > + } > } >
diff --git a/src/acpi.c b/src/acpi.c index bc4d8ea..fe504f0 100644 --- a/src/acpi.c +++ b/src/acpi.c @@ -534,6 +534,9 @@ build_ssdt(void) ssdt_ptr[acpi_pci64_valid[0]] = 0; } + int pvpanic_port = romfile_loadint("etc/pvpanic-port", 0x0); + *(u16 *)(ssdt_ptr + *ssdt_isa_pest) = pvpanic_port; + ssdt_ptr += sizeof(ssdp_misc_aml); // build Scope(_SB_) header diff --git a/src/ssdt-misc.dsl b/src/ssdt-misc.dsl index 679422b..acc850e 100644 --- a/src/ssdt-misc.dsl +++ b/src/ssdt-misc.dsl @@ -55,4 +55,50 @@ DefinitionBlock ("ssdt-misc.aml", "SSDT", 0x01, "BXPC", "BXSSDTSUSP", 0x1) Zero /* reserved */ }) } + + External(\_SB.PCI0, DeviceObj) + External(\_SB.PCI0.ISA, DeviceObj) + + Scope(\_SB.PCI0.ISA) { + Device(PEVT) { + Name(_HID, "QEMU0001") + /* PEST will be patched to be Zero if no such device */ + ACPI_EXTRACT_NAME_WORD_CONST ssdt_isa_pest + Name(PEST, 0xFFFF) + OperationRegion(PEOR, SystemIO, PEST, 0x01) + Field(PEOR, ByteAcc, NoLock, Preserve) { + PEPT, 8, + } + + Method(_STA, 0, NotSerialized) { + Store(PEST, Local0) + If (LEqual(Local0, Zero)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + + Method(RDPT, 0, NotSerialized) { + Store(PEPT, Local0) + Return (Local0) + } + + Method(WRPT, 1, NotSerialized) { + Store(Arg0, PEPT) + } + + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x00, 0x00, 0x01, 0x01, IO) + }) + + CreateWordField(_CRS, IO._MIN, IOMN) + CreateWordField(_CRS, IO._MAX, IOMX) + + Method(_INI, 0, NotSerialized) { + Store(PEST, IOMN) + Store(PEST, IOMX) + } + } + } }
pvpanic device is used to notify host(qemu) when guest panic happens. Signed-off-by: Hu Tao <hutao@cn.fujitsu.com> --- Paolo, Can I add your Signed-off-by? Since the original code is given by you. Thank you, Paolo :) src/acpi.c | 3 +++ src/ssdt-misc.dsl | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 49 insertions(+)