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[PATCH v8 06/13] hw/riscv/virt-acpi-build.c: Add IMSIC in the MADT
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From: |
Sunil V L |
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Subject: |
[PATCH v8 06/13] hw/riscv/virt-acpi-build.c: Add IMSIC in the MADT |
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Date: |
Mon, 18 Dec 2023 20:32:40 +0530 |
Add IMSIC structure in MADT when IMSIC is configured.
Signed-off-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/riscv/virt-acpi-build.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/hw/riscv/virt-acpi-build.c b/hw/riscv/virt-acpi-build.c
index 3f9536356e..6bb21014fd 100644
--- a/hw/riscv/virt-acpi-build.c
+++ b/hw/riscv/virt-acpi-build.c
@@ -270,6 +270,19 @@ static void build_madt(GArray *table_data,
MachineClass *mc = MACHINE_GET_CLASS(s);
MachineState *ms = MACHINE(s);
const CPUArchIdList *arch_ids = mc->possible_cpu_arch_ids(ms);
+ uint8_t group_index_bits = imsic_num_bits(riscv_socket_count(ms));
+ uint8_t guest_index_bits = imsic_num_bits(s->aia_guests + 1);
+ uint16_t imsic_max_hart_per_socket = 0;
+ uint8_t hart_index_bits;
+ uint8_t socket;
+
+ for (socket = 0; socket < riscv_socket_count(ms); socket++) {
+ if (imsic_max_hart_per_socket < s->soc[socket].num_harts) {
+ imsic_max_hart_per_socket = s->soc[socket].num_harts;
+ }
+ }
+
+ hart_index_bits = imsic_num_bits(imsic_max_hart_per_socket);
AcpiTable table = { .sig = "APIC", .rev = 6, .oem_id = s->oem_id,
.oem_table_id = s->oem_table_id };
@@ -284,6 +297,28 @@ static void build_madt(GArray *table_data,
riscv_acpi_madt_add_rintc(i, arch_ids, table_data, s);
}
+ /* IMSIC */
+ if (s->aia_type == VIRT_AIA_TYPE_APLIC_IMSIC) {
+ /* IMSIC */
+ build_append_int_noprefix(table_data, 0x19, 1); /* Type */
+ build_append_int_noprefix(table_data, 16, 1); /* Length */
+ build_append_int_noprefix(table_data, 1, 1); /* Version */
+ build_append_int_noprefix(table_data, 0, 1); /* Reserved */
+ build_append_int_noprefix(table_data, 0, 4); /* Flags */
+ /* Number of supervisor mode Interrupt Identities */
+ build_append_int_noprefix(table_data, VIRT_IRQCHIP_NUM_MSIS, 2);
+ /* Number of guest mode Interrupt Identities */
+ build_append_int_noprefix(table_data, VIRT_IRQCHIP_NUM_MSIS, 2);
+ /* Guest Index Bits */
+ build_append_int_noprefix(table_data, guest_index_bits, 1);
+ /* Hart Index Bits */
+ build_append_int_noprefix(table_data, hart_index_bits, 1);
+ /* Group Index Bits */
+ build_append_int_noprefix(table_data, group_index_bits, 1);
+ /* Group Index Shift */
+ build_append_int_noprefix(table_data, IMSIC_MMIO_GROUP_MIN_SHIFT, 1);
+ }
+
acpi_table_end(linker, &table);
}
--
2.39.2
- [PATCH v8 00/13] RISC-V: ACPI: Enable AIA, PLIC and update RHCT, Sunil V L, 2023/12/18
- [PATCH v8 01/13] hw/arm/virt-acpi-build.c: Migrate fw_cfg creation to common location, Sunil V L, 2023/12/18
- [PATCH v8 02/13] hw/arm/virt-acpi-build.c: Migrate virtio creation to common location, Sunil V L, 2023/12/18
- [PATCH v8 03/13] hw/i386/acpi-microvm.c: Use common function to add virtio in DSDT, Sunil V L, 2023/12/18
- [PATCH v8 04/13] hw/riscv: virt: Make few IMSIC macros and functions public, Sunil V L, 2023/12/18
- [PATCH v8 05/13] hw/riscv/virt-acpi-build.c: Add AIA support in RINTC, Sunil V L, 2023/12/18
- [PATCH v8 06/13] hw/riscv/virt-acpi-build.c: Add IMSIC in the MADT,
Sunil V L <=
- [PATCH v8 07/13] hw/riscv/virt-acpi-build.c: Add APLIC in the MADT, Sunil V L, 2023/12/18
- [PATCH v8 08/13] hw/riscv/virt-acpi-build.c: Add CMO information in RHCT, Sunil V L, 2023/12/18
- [PATCH v8 09/13] hw/riscv/virt-acpi-build.c: Add MMU node in RHCT, Sunil V L, 2023/12/18
- [PATCH v8 10/13] hw/pci-host/gpex: Define properties for MMIO ranges, Sunil V L, 2023/12/18
- [PATCH v8 11/13] hw/riscv/virt: Update GPEX MMIO related properties, Sunil V L, 2023/12/18
- [PATCH v8 12/13] hw/riscv/virt-acpi-build.c: Add IO controllers and devices, Sunil V L, 2023/12/18
- [PATCH v8 13/13] hw/riscv/virt-acpi-build.c: Add PLIC in MADT, Sunil V L, 2023/12/18
- Re: [PATCH v8 00/13] RISC-V: ACPI: Enable AIA, PLIC and update RHCT, Alistair Francis, 2023/12/20