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[92.26.98.202]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5d806fedbbasm23858386a12.71.2025.01.06.06.19.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2025 06:19:30 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 3f57aebe-cc39-11ef-a0df-8be0dac302b0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=citrix.com; s=google; t=1736173171; x=1736777971; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=quqjyLr5Tr/6kOvkiYP1aB0V6P6CHKH+j3lDEcV0jY4=; b=KOEbmCv0GKPK3yI/mJIk88+lR1Cqr1GOixs4yBHTnlh8mMuHYxy2C0ByXP/NWPgHCb GPvmyyr7ah0mwuSv/jLuLaoPWQT0ESq/mPF44VVYvlH+GN5MSY1ZL9LmWtgk5lQ3VJwO tvMktuGNC4y8MMrhiBGIiwlnF6ARiMeijvMw4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736173171; x=1736777971; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=quqjyLr5Tr/6kOvkiYP1aB0V6P6CHKH+j3lDEcV0jY4=; b=vSYUBdh0wMpg/zIfOSyLql54o76ZJYcTORlwGvXpihBA1plN3kOrWnQJ4S4F3MNSeX 3kgK2rPR/huL0y061PY5bm2k/6aou2yRUvV6BYKJ0ICgWwHcNS8YrAXcimanFIl3lDCl rPU3fHGSdKimhA/8gOxbuIrQsYJWDT0yYitJ2SmUZiCHddfTSJsZuwXR9pl8jUkrGR2/ ++J2v5r/+XnR+c+s9ZQWt1ixkIDJ9iv85ShVSP9gIsu9keHKbFMOamGNEkUmNygvVbun CJHbmfbEOAZl48vWiUnvplW99GdACfTOMryTOTVzdVBDfXD9n0mBWz6S+3TljLyaqQya +arQ== X-Gm-Message-State: AOJu0YwPEGpieyTfIsMDxs0SpeUOp14fMSNuAlkRwmh0Y5MZ+bDjtEFr eCC0Z+fobPDV8oJnKcY19sGKmdIj6kt5WH9AWEhG3A3RZ4ZehB/ls+O3UDwFBkmaHeqHtob+fcU +Rsw4qw== X-Gm-Gg: ASbGncu1+NXJ4S9ai4wOuA4s/DzTC1KJGKJjASD00Ov34K5w1fPtGUGO8O/7YczCwKC 7WosrEFkrZvfBEtQF2dyk7/NImtEh+IDs0iDEY9+uOAIaoiWk9BKZpyDh81QP6gmZ+0YeHAvUiy lE1yqJgnBoDSu14zAOrKJgl4vj7NR5uhXzZ5VhpA5DmfMm2ijmQZTKft1HJJxtOlFdFGW5rt2OH klNMamJJqnkxZIxxuoTs41rKVDBn0e4t4ItpYuHxLOwkzH9rF8lluZBGDghN26NO39NNa96zkGc my9ZSCJiPMJgT/3k76Zru0+lz0mo4EjCzbIz X-Google-Smtp-Source: AGHT+IFNv/YOaDo8oGxz02LHgC1r3uGaI95476rT5I0jgnWKaO1P/HtaHO0GS0IR0adAIxYLl1fabw== X-Received: by 2002:a05:6402:3486:b0:5d0:e73c:b7f6 with SMTP id 4fb4d7f45d1cf-5d81de2dd01mr47689558a12.31.1736173171025; Mon, 06 Jan 2025 06:19:31 -0800 (PST) From: Andrew Cooper To: Xen-devel Cc: Andrew Cooper , Jan Beulich , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH for-4.20] x86/amd: Misc setup for Fam1Ah processors Date: Mon, 6 Jan 2025 14:19:29 +0000 Message-Id: <20250106141929.615831-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.39.5 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @citrix.com) X-ZM-MESSAGEID: 1736173200507116600 Fam1Ah is similar to Fam19h in these regards. Signed-off-by: Andrew Cooper Acked-by: Jan Beulich --- CC: Jan Beulich CC: Roger Pau Monn=C3=A9 With this patch, I think we're in an ok position to declare support on Zen5 CPUs. I'm very disappointed that AMD don't have any documetation about ERA= PS, but to the best of my (backchannel) knowledge, Xen should behave safely. --- xen/arch/x86/acpi/cpu_idle.c | 1 + xen/arch/x86/cpu/microcode/amd.c | 4 ++++ xen/arch/x86/cpu/vpmu_amd.c | 1 + 3 files changed, 6 insertions(+) diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c index 876317fad059..420198406def 100644 --- a/xen/arch/x86/acpi/cpu_idle.c +++ b/xen/arch/x86/acpi/cpu_idle.c @@ -1417,6 +1417,7 @@ static void amd_cpuidle_init(struct acpi_processor_po= wer *power) =20 switch ( c->x86 ) { + case 0x1a: case 0x19: case 0x18: if ( boot_cpu_data.x86_vendor !=3D X86_VENDOR_HYGON ) diff --git a/xen/arch/x86/cpu/microcode/amd.c b/xen/arch/x86/cpu/microcode/= amd.c index ba7668a94670..58568f9aa024 100644 --- a/xen/arch/x86/cpu/microcode/amd.c +++ b/xen/arch/x86/cpu/microcode/amd.c @@ -114,6 +114,7 @@ static bool verify_patch_size(uint32_t patch_size) #define F16H_MPB_MAX_SIZE 3458 #define F17H_MPB_MAX_SIZE 3200 #define F19H_MPB_MAX_SIZE 5568 +#define F1AH_MPB_MAX_SIZE 14368 =20 switch ( boot_cpu_data.x86 ) { @@ -132,6 +133,9 @@ static bool verify_patch_size(uint32_t patch_size) case 0x19: max_size =3D F19H_MPB_MAX_SIZE; break; + case 0x1a: + max_size =3D F1AH_MPB_MAX_SIZE; + break; default: max_size =3D F1XH_MPB_MAX_SIZE; break; diff --git a/xen/arch/x86/cpu/vpmu_amd.c b/xen/arch/x86/cpu/vpmu_amd.c index a082450e923a..a6117dfebf2a 100644 --- a/xen/arch/x86/cpu/vpmu_amd.c +++ b/xen/arch/x86/cpu/vpmu_amd.c @@ -568,6 +568,7 @@ const struct arch_vpmu_ops *__init amd_vpmu_init(void) case 0x15: case 0x17: case 0x19: + case 0x1a: num_counters =3D F15H_NUM_COUNTERS; counters =3D AMD_F15H_COUNTERS; ctrls =3D AMD_F15H_CTRLS; --=20 2.39.5