Message ID | 1481930319-4796-3-git-send-email-boris.ostrovsky@oracle.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hello Boris, This patch is breaking compilation of mk_dsdt on ARM64 (see below). Boris can you please send a patch to fix this? In the future, please make sure that mk_dsdt at least build for all the targeted architectures. mk_dsdt.c: In function 'main': mk_dsdt.c:249:9: error: 'XEN_ACPI_CPU_MAP' undeclared (first use in this function) XEN_ACPI_CPU_MAP, XEN_ACPI_CPU_MAP_LEN); ^ mk_dsdt.c:63:25: note: in definition of macro 'stmt' _stmt(n, f , ## a ); \ ^ mk_dsdt.c:249:9: note: each undeclared identifier is reported only once for each function it appears in XEN_ACPI_CPU_MAP, XEN_ACPI_CPU_MAP_LEN); ^ mk_dsdt.c:63:25: note: in definition of macro 'stmt' _stmt(n, f , ## a ); \ ^ mk_dsdt.c:249:27: error: 'XEN_ACPI_CPU_MAP_LEN' undeclared (first use in this function) XEN_ACPI_CPU_MAP, XEN_ACPI_CPU_MAP_LEN); ^ mk_dsdt.c:63:25: note: in definition of macro 'stmt' _stmt(n, f , ## a ); \ ^ mk_dsdt.c:289:16: error: 'XEN_ACPI_GPE0_CPUHP_BIT' undeclared (first use in this function) XEN_ACPI_GPE0_CPUHP_BIT); ^ mk_dsdt.c:69:25: note: in definition of macro 'push_block' _stmt(n, f , ## a ); \ ^ Cheers, On 17/12/2016 00:18, Boris Ostrovsky wrote: > Define VCPU available map address (used by AML's PRSC method) > and GPE0 CPU hotplug event number. Use these definitions in mk_dsdt > instead hardcoded values. > > These definitions will later be used by both the hypervisor and > the toolstack (initially for PVH guests only), thus they are > placed in public headers. > > Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> > Reviewed-by: Jan Beulich <jbeulich@suse.com> > --- > Changes in v5: > * Renamed XEN_GPE0_CPUHP_BIT to XEN_ACPI_GPE0_CPUHP_BIT > > tools/libacpi/mk_dsdt.c | 7 +++++-- > tools/libacpi/static_tables.c | 4 ++++ > xen/include/public/arch-x86/xen.h | 7 +++++++ > 3 files changed, 16 insertions(+), 2 deletions(-) > > diff --git a/tools/libacpi/mk_dsdt.c b/tools/libacpi/mk_dsdt.c > index 639d21e..9421f3f 100644 > --- a/tools/libacpi/mk_dsdt.c > +++ b/tools/libacpi/mk_dsdt.c > @@ -18,6 +18,7 @@ > #include <stdlib.h> > #include <stdbool.h> > #if defined(CONFIG_X86) > +#include <xen/arch-x86/xen.h> > #include <xen/hvm/hvm_info_table.h> > #elif defined(CONFIG_ARM_64) > #include <xen/arch-arm.h> > @@ -244,7 +245,8 @@ int main(int argc, char **argv) > #endif > > /* Operation Region 'PRST': bitmask of online CPUs. */ > - stmt("OperationRegion", "PRST, SystemIO, 0xaf00, 32"); > + stmt("OperationRegion", "PRST, SystemIO, %#x, %d", > + XEN_ACPI_CPU_MAP, XEN_ACPI_CPU_MAP_LEN); > push_block("Field", "PRST, ByteAcc, NoLock, Preserve"); > indent(); printf("PRS, %u\n", max_cpus); > pop_block(); > @@ -283,7 +285,8 @@ int main(int argc, char **argv) > /* Define GPE control method. */ > push_block("Scope", "\\_GPE"); > push_block("Method", > - dm_version == QEMU_XEN_TRADITIONAL ? "_L02" : "_E02"); > + dm_version == QEMU_XEN_TRADITIONAL ? "_L%02d" : "_E%02d", > + XEN_ACPI_GPE0_CPUHP_BIT); > stmt("\\_SB.PRSC ()", NULL); > pop_block(); > pop_block(); > diff --git a/tools/libacpi/static_tables.c b/tools/libacpi/static_tables.c > index 1f6247d..608c936 100644 > --- a/tools/libacpi/static_tables.c > +++ b/tools/libacpi/static_tables.c > @@ -31,6 +31,10 @@ struct acpi_20_facs Facs = { > * Fixed ACPI Description Table (FADT). > */ > > +/* > + * These values must match register definitions in struct hvm_hw_acpi > + * (in xen/include/public/arch-x86/hvm/save.h). > + */ > #define ACPI_PM1A_EVT_BLK_BIT_WIDTH 0x20 > #define ACPI_PM1A_EVT_BLK_BIT_OFFSET 0x00 > #define ACPI_PM1A_CNT_BLK_BIT_WIDTH 0x10 > diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h > index cdd93c1..12f719d 100644 > --- a/xen/include/public/arch-x86/xen.h > +++ b/xen/include/public/arch-x86/xen.h > @@ -291,6 +291,13 @@ struct xen_arch_domainconfig { > XEN_X86_EMU_PIT) > uint32_t emulation_flags; > }; > + > +/* Location of online VCPU bitmap. */ > +#define XEN_ACPI_CPU_MAP 0xaf00 > +#define XEN_ACPI_CPU_MAP_LEN ((HVM_MAX_VCPUS + 7) / 8) > + > +/* GPE0 bit set during CPU hotplug */ > +#define XEN_ACPI_GPE0_CPUHP_BIT 2 > #endif > > #endif /* !__ASSEMBLY__ */ >
diff --git a/tools/libacpi/mk_dsdt.c b/tools/libacpi/mk_dsdt.c index 639d21e..9421f3f 100644 --- a/tools/libacpi/mk_dsdt.c +++ b/tools/libacpi/mk_dsdt.c @@ -18,6 +18,7 @@ #include <stdlib.h> #include <stdbool.h> #if defined(CONFIG_X86) +#include <xen/arch-x86/xen.h> #include <xen/hvm/hvm_info_table.h> #elif defined(CONFIG_ARM_64) #include <xen/arch-arm.h> @@ -244,7 +245,8 @@ int main(int argc, char **argv) #endif /* Operation Region 'PRST': bitmask of online CPUs. */ - stmt("OperationRegion", "PRST, SystemIO, 0xaf00, 32"); + stmt("OperationRegion", "PRST, SystemIO, %#x, %d", + XEN_ACPI_CPU_MAP, XEN_ACPI_CPU_MAP_LEN); push_block("Field", "PRST, ByteAcc, NoLock, Preserve"); indent(); printf("PRS, %u\n", max_cpus); pop_block(); @@ -283,7 +285,8 @@ int main(int argc, char **argv) /* Define GPE control method. */ push_block("Scope", "\\_GPE"); push_block("Method", - dm_version == QEMU_XEN_TRADITIONAL ? "_L02" : "_E02"); + dm_version == QEMU_XEN_TRADITIONAL ? "_L%02d" : "_E%02d", + XEN_ACPI_GPE0_CPUHP_BIT); stmt("\\_SB.PRSC ()", NULL); pop_block(); pop_block(); diff --git a/tools/libacpi/static_tables.c b/tools/libacpi/static_tables.c index 1f6247d..608c936 100644 --- a/tools/libacpi/static_tables.c +++ b/tools/libacpi/static_tables.c @@ -31,6 +31,10 @@ struct acpi_20_facs Facs = { * Fixed ACPI Description Table (FADT). */ +/* + * These values must match register definitions in struct hvm_hw_acpi + * (in xen/include/public/arch-x86/hvm/save.h). + */ #define ACPI_PM1A_EVT_BLK_BIT_WIDTH 0x20 #define ACPI_PM1A_EVT_BLK_BIT_OFFSET 0x00 #define ACPI_PM1A_CNT_BLK_BIT_WIDTH 0x10 diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h index cdd93c1..12f719d 100644 --- a/xen/include/public/arch-x86/xen.h +++ b/xen/include/public/arch-x86/xen.h @@ -291,6 +291,13 @@ struct xen_arch_domainconfig { XEN_X86_EMU_PIT) uint32_t emulation_flags; }; + +/* Location of online VCPU bitmap. */ +#define XEN_ACPI_CPU_MAP 0xaf00 +#define XEN_ACPI_CPU_MAP_LEN ((HVM_MAX_VCPUS + 7) / 8) + +/* GPE0 bit set during CPU hotplug */ +#define XEN_ACPI_GPE0_CPUHP_BIT 2 #endif #endif /* !__ASSEMBLY__ */