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authorJonathan Cameron <Jonathan.Cameron@huawei.com>2023-09-13 14:25:23 +0100
committerMichael S. Tsirkin <mst@redhat.com>2023-10-04 18:15:06 -0400
commite967413fe0f2f3fe022658bb279aef95d24210ec (patch)
tree3eb67a2a6c57b3cd54284811570bd2b38ec1cbf8 /include/hw/cxl
parent61c44bcf510f4db51c28d0288e528cfdf0ebabc3 (diff)
hw/cxl: Support 4 HDM decoders at all levels of topology
Support these decoders in CXL host bridges (pxb-cxl), CXL Switch USP and CXL Type 3 end points. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Message-Id: <20230913132523.29780-5-Jonathan.Cameron@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/cxl')
-rw-r--r--include/hw/cxl/cxl_component.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/include/hw/cxl/cxl_component.h b/include/hw/cxl/cxl_component.h
index 7c864d2044..3c795a6278 100644
--- a/include/hw/cxl/cxl_component.h
+++ b/include/hw/cxl/cxl_component.h
@@ -135,6 +135,10 @@ REG32(CXL_RAS_ERR_HEADER0, CXL_RAS_REGISTERS_OFFSET + 0x18)
REG32(CXL_HDM_DECODER##n##_TARGET_LIST_LO, \
CXL_HDM_REGISTERS_OFFSET + (0x20 * n) + 0x24) \
REG32(CXL_HDM_DECODER##n##_TARGET_LIST_HI, \
+ CXL_HDM_REGISTERS_OFFSET + (0x20 * n) + 0x28) \
+ REG32(CXL_HDM_DECODER##n##_DPA_SKIP_LO, \
+ CXL_HDM_REGISTERS_OFFSET + (0x20 * n) + 0x24) \
+ REG32(CXL_HDM_DECODER##n##_DPA_SKIP_HI, \
CXL_HDM_REGISTERS_OFFSET + (0x20 * n) + 0x28)
REG32(CXL_HDM_DECODER_CAPABILITY, CXL_HDM_REGISTERS_OFFSET)
@@ -147,9 +151,13 @@ REG32(CXL_HDM_DECODER_GLOBAL_CONTROL, CXL_HDM_REGISTERS_OFFSET + 4)
FIELD(CXL_HDM_DECODER_GLOBAL_CONTROL, POISON_ON_ERR_EN, 0, 1)
FIELD(CXL_HDM_DECODER_GLOBAL_CONTROL, HDM_DECODER_ENABLE, 1, 1)
+/* Support 4 decoders at all levels of topology */
+#define CXL_HDM_DECODER_COUNT 4
+
HDM_DECODER_INIT(0);
-/* Only used for HDM decoder registers block address increment */
HDM_DECODER_INIT(1);
+HDM_DECODER_INIT(2);
+HDM_DECODER_INIT(3);
/* 8.2.5.13 - CXL Extended Security Capability Structure (Root complex only) */
#define EXTSEC_ENTRY_MAX 256