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e4a5219f53
VMM needs to handle VMG exit for guest request. This patch removes the old method that uses gpa_read/write(IOCTL and hypercall), which is expensive and update the GHCB page using mapped(root partition) struct. Signed-off-by: Muminul Islam <muislam@microsoft.com>
19 lines
891 B
Rust
19 lines
891 B
Rust
// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause
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//
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// Copyright © 2020, Microsoft Corporation
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//
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// Reference: https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/specifications/56860.pdf
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// Chapter 10
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pub const SIG_R_COMPONENT_SIZE_IN_BYTES: usize = 72;
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pub const SIG_R_AND_S_COMPONENT_SIZE_IN_BYTES: usize = 144;
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pub const ECDSA_CURVE_ID_SIZE_IN_BYTES: usize = 4;
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pub const ECDSA_SIG_X_COMPONENT_SIZE_IN_BYTES: usize = 72;
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pub const ECDSA_SIG_Y_COMPONENT_SIZE_IN_BYTES: usize = 72;
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pub const ECDSA_SIG_X_COMPONENT_START: usize = ECDSA_CURVE_ID_SIZE_IN_BYTES;
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pub const ECDSA_SIG_X_COMPONENT_END: usize =
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ECDSA_SIG_X_COMPONENT_START + ECDSA_SIG_X_COMPONENT_SIZE_IN_BYTES;
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pub const ECDSA_SIG_Y_COMPONENT_START: usize = ECDSA_SIG_X_COMPONENT_END;
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pub const ECDSA_SIG_Y_COMPONENT_END: usize =
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ECDSA_SIG_X_COMPONENT_END + ECDSA_SIG_Y_COMPONENT_SIZE_IN_BYTES;
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