Hi, Moore, > -----原始邮件----- > 发件人: "Moore, Robert" <robert.moore@xxxxxxxxx> > 发送时间: 2021-07-09 05:35:28 (星期五) > 收件人: "Huacai Chen" <chenhuacai@xxxxxxxxxxx>, "Rafael J . Wysocki" <rjw@xxxxxxxxxxxxx>, "Len Brown" <lenb@xxxxxxxxxx>, "Erik Kaneda" <erik.kaneda@xxxxxxxxx> > 抄送: "linux-acpi@xxxxxxxxxxxxxxx" <linux-acpi@xxxxxxxxxxxxxxx>, "devel@xxxxxxxxxx" <devel@xxxxxxxxxx>, "Xuefeng Li" <lixuefeng@xxxxxxxxxxx>, "Jiaxun Yang" <jiaxun.yang@xxxxxxxxxxx>, "Jianmin Lv" <lvjianmin@xxxxxxxxxxx> > 主题: RE: [PATCH 2/3] ACPICA: MADT: Add LoongArch APICs support > > For legal reasons, we can't pre-release any upcoming ACPI spec changes in ACPICA. That's OK, we can wait. Huacai > > -----Original Message----- > From: Huacai Chen <chenhuacai@xxxxxxxxxxx> > Sent: Monday, July 05, 2021 5:42 AM > To: Rafael J . Wysocki <rjw@xxxxxxxxxxxxx>; Len Brown <lenb@xxxxxxxxxx>; Moore, Robert <robert.moore@xxxxxxxxx>; Erik Kaneda <erik.kaneda@xxxxxxxxx> > Cc: linux-acpi@xxxxxxxxxxxxxxx; devel@xxxxxxxxxx; Xuefeng Li <lixuefeng@xxxxxxxxxxx>; Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>; Huacai Chen <chenhuacai@xxxxxxxxxxx>; Jianmin Lv <lvjianmin@xxxxxxxxxxx> > Subject: [PATCH 2/3] ACPICA: MADT: Add LoongArch APICs support > > LoongArch-specific interrupt controllers (similar to APIC) are added in the next revision of ACPI Specification (current revision is 6.4), which including CORE_PIC (CPUINTC), LIO_PIC (LIOINTC), EIO_PIC (EIOINTC), HT_PIC (HTVECINTC), BIO_PIC (PCHINTC), LPC_PIC (PCHLPC) and MSI_PIC (PCHMSI). This patch add their definition and handlings. > > Reference: https://mantis.uefi.org/mantis/view.php?id=2203 > Signed-off-by: Jianmin Lv <lvjianmin@xxxxxxxxxxx> > Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx> > --- > drivers/acpi/tables.c | 10 ++++ > include/acpi/actbl2.h | 123 +++++++++++++++++++++++++++++++++++++++++- > 2 files changed, 132 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index a37a1532a575..5943ae4f76bb 100644 > --- a/drivers/acpi/tables.c > +++ b/drivers/acpi/tables.c > @@ -208,6 +208,16 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header *header) > } > break; > > + case ACPI_MADT_TYPE_CORE_PIC: > + { > + struct acpi_madt_core_pic *p = > + (struct acpi_madt_core_pic *)header; > + pr_debug("CORE PIC (processor_id[0x%02x] core_id[0x%02x] %s)\n", > + p->processor_id, p->core_id, > + (p->flags & ACPI_MADT_ENABLED) ? "enabled" : "disabled"); > + } > + break; > + > default: > pr_warn("Found unsupported MADT entry (type = 0x%x)\n", > header->type); > diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 2069ac38a4e2..fd6d0b440c4b 100644 > --- a/include/acpi/actbl2.h > +++ b/include/acpi/actbl2.h > @@ -571,7 +571,14 @@ enum acpi_madt_type { > ACPI_MADT_TYPE_GENERIC_REDISTRIBUTOR = 14, > ACPI_MADT_TYPE_GENERIC_TRANSLATOR = 15, > ACPI_MADT_TYPE_MULTIPROC_WAKEUP = 16, > - ACPI_MADT_TYPE_RESERVED = 17 /* 17 and greater are reserved */ > + ACPI_MADT_TYPE_CORE_PIC = 17, > + ACPI_MADT_TYPE_LIO_PIC = 18, > + ACPI_MADT_TYPE_HT_PIC = 19, > + ACPI_MADT_TYPE_EIO_PIC = 20, > + ACPI_MADT_TYPE_MSI_PIC = 21, > + ACPI_MADT_TYPE_BIO_PIC = 22, > + ACPI_MADT_TYPE_LPC_PIC = 23, > + ACPI_MADT_TYPE_RESERVED = 24 /* 24 and greater are reserved */ > }; > > /* > @@ -801,6 +808,120 @@ struct acpi_madt_multiproc_wakeup_mailbox { > > #define ACPI_MP_WAKE_COMMAND_WAKEUP 1 > > +/* Values for Version field above */ > + > +enum acpi_madt_core_pic_version { > + ACPI_MADT_CORE_PIC_VERSION_NONE = 0, > + ACPI_MADT_CORE_PIC_VERSION_V1 = 1, > + ACPI_MADT_CORE_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_lio_pic_version { > + ACPI_MADT_LIO_PIC_VERSION_NONE = 0, > + ACPI_MADT_LIO_PIC_VERSION_V1 = 1, > + ACPI_MADT_LIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_eio_pic_version { > + ACPI_MADT_EIO_PIC_VERSION_NONE = 0, > + ACPI_MADT_EIO_PIC_VERSION_V1 = 1, > + ACPI_MADT_EIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_ht_pic_version { > + ACPI_MADT_HT_PIC_VERSION_NONE = 0, > + ACPI_MADT_HT_PIC_VERSION_V1 = 1, > + ACPI_MADT_HT_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_bio_pic_version { > + ACPI_MADT_BIO_PIC_VERSION_NONE = 0, > + ACPI_MADT_BIO_PIC_VERSION_V1 = 1, > + ACPI_MADT_BIO_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_msi_pic_version { > + ACPI_MADT_MSI_PIC_VERSION_NONE = 0, > + ACPI_MADT_MSI_PIC_VERSION_V1 = 1, > + ACPI_MADT_MSI_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +enum acpi_madt_lpc_pic_version { > + ACPI_MADT_LPC_PIC_VERSION_NONE = 0, > + ACPI_MADT_LPC_PIC_VERSION_V1 = 1, > + ACPI_MADT_LPC_PIC_VERSION_RESERVED = 2 /* 2 and greater are reserved */ > +}; > + > +/* Core Interrupt Controller */ > + > +struct acpi_madt_core_pic { > + struct acpi_subtable_header header; > + u32 processor_id; > + u32 core_id; > + u32 flags; > + u8 version; > +}; > + > +/* Legacy I/O Interrupt Controller */ > + > +struct acpi_madt_lio_pic { > + struct acpi_subtable_header header; > + u64 address; > + u16 size; > + u8 cascade[2]; > + u32 cascade_map[2]; > + u8 version; > +}; > + > +/* Extend I/O Interrupt Controller */ > + > +struct acpi_madt_eio_pic { > + struct acpi_subtable_header header; > + u8 cascade; > + u8 version; > +}; > + > +/* HT Interrupt Controller */ > + > +struct acpi_madt_ht_pic { > + struct acpi_subtable_header header; > + u64 address; > + u16 size; > + u8 cascade[8]; > + u8 version; > +}; > + > +/* Bridge I/O Interrupt Controller */ > + > +struct acpi_madt_bio_pic { > + struct acpi_subtable_header header; > + u64 address; > + u16 size; > + u16 id; > + u16 gsi_base; > + u8 version; > +}; > + > +/* MSI Interrupt Controller */ > + > +struct acpi_madt_msi_pic { > + struct acpi_subtable_header header; > + u64 msg_address; > + u32 start; > + u32 count; > + u8 version; > +}; > + > +/* LPC Interrupt Controller */ > + > +struct acpi_madt_lpc_pic { > + struct acpi_subtable_header header; > + u64 address; > + u16 size; > + u8 cascade; > + u8 version; > +}; > + > /* > * Common flags fields for MADT subtables > */ > -- > 2.27.0 </chenhuacai@xxxxxxxxxxx></lvjianmin@xxxxxxxxxxx></lvjianmin@xxxxxxxxxxx></chenhuacai@xxxxxxxxxxx></jiaxun.yang@xxxxxxxxxxx></lixuefeng@xxxxxxxxxxx></erik.kaneda@xxxxxxxxx></robert.moore@xxxxxxxxx></lenb@xxxxxxxxxx></rjw@xxxxxxxxxxxxx></chenhuacai@xxxxxxxxxxx></lvjianmin@xxxxxxxxxxx></jiaxun.yang@xxxxxxxxxxx></lixuefeng@xxxxxxxxxxx></devel@xxxxxxxxxx></linux-acpi@xxxxxxxxxxxxxxx></erik.kaneda@xxxxxxxxx></lenb@xxxxxxxxxx></rjw@xxxxxxxxxxxxx></chenhuacai@xxxxxxxxxxx></robert.moore@xxxxxxxxx>
