xref: /linux/Documentation/driver-api/cxl/platform/acpi/slit.rst (revision e9ef810dfee7a2227da9d423aecb0ced35faddbe)
1*d1ba3646SGregory Price.. SPDX-License-Identifier: GPL-2.0
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4*d1ba3646SGregory PriceSLIT - System Locality Information Table
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7*d1ba3646SGregory PriceThe system locality information table provides "abstract distances" between
8*d1ba3646SGregory Priceaccessor and memory nodes.  Node without initiators (cpus) are infinitely (FF)
9*d1ba3646SGregory Pricedistance away from all other nodes.
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11*d1ba3646SGregory PriceThe abstract distance described in this table does not describe any real
12*d1ba3646SGregory Pricelatency of bandwidth information.
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14*d1ba3646SGregory PriceExample ::
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16*d1ba3646SGregory Price    Signature : "SLIT"    [System Locality Information Table]
17*d1ba3646SGregory Price   Localities : 0000000000000004
18*d1ba3646SGregory Price Locality   0 : 10 20 20 30
19*d1ba3646SGregory Price Locality   1 : 20 10 30 20
20*d1ba3646SGregory Price Locality   2 : FF FF 0A FF
21*d1ba3646SGregory Price Locality   3 : FF FF FF 0A
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