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[5.69.146.176]) by smtp.gmail.com with ESMTPSA id l7-20020a05600c47c700b003dc3bbdf518sm1656628wmo.21.2023.01.27.07.16.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Jan 2023 07:16:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=V2C8ym8is1CPYbe6HBHqeDtoLk1afh8VUgAOi79KyjA=; b=s7mwAN6iwR1Yf/RhvBpaZy7wHKwUfdOmrONVLHMtlMQ9jpePl/3OubN4tVZkAB2ntH UmqzkbSf6+HRcCSwxA8Eh1Yfkrx65L11zu0AzegLZ06x/A29sSkCsA+2kHgVCoJPmiqg AANnok2MzEDg134sXcVtijtQyp/Tn28+oj/wlqNbwHJMc5v4Oe7VETLN77Azfo42ss+0 ENVO+dG6ZGtiEun3UaB6clmmQF+DYu814B1D2NlfOvXDKLABSKoV7Zeyrp/UTaCJ6wFF 9JllU7HlhyCYry7q39UkzwfdTmlUspKXhZJpys9/l9gDhhEylzPYeCD/QkD6SRV0LYCW 28aQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=V2C8ym8is1CPYbe6HBHqeDtoLk1afh8VUgAOi79KyjA=; b=GW54vZNTsf45QGoeWY3qH7bV+KLBmCbwTeNu2JIYV99WxPmWSziBH4rjrbIB13P/CK gQsoWupAUJKmeg1A427rU9TKQYHlUj10iZ+qHPkJVGZoOR6/4c6g3ah5TEtUrK0aRG1W wmKDtcRFYDbFBGTkDWZmB4axK/y3/NeBErBWO8eFxKjr6QJezXGlYmZW6n+I2RAnXoyM tX77BKIsyP9OUh+MdKRy9yAXWHAzqBuoCV/VEHLbKReY0iR9NpTtF+4ZdeDT4dHeCcOH JYs5VJvMzwMenL4EDQ70ktN0199L8x8dOBAWwId8tjV310IHz4hXAi6Vf6D0uFZgCl3N ktVg== X-Gm-Message-State: AO0yUKVmBuzUW1ShjT6cacJenqbZZfQ1EH9JidWtpOHM3ghrBer9zSW8 dZ4Lw7XNEt/8B0nlKEmSB6IYSirdl2Qi9Sjp6nowwg== X-Google-Smtp-Source: AK7set/q19d4BBJOiVPaxHB2Y4QlBcQjF6fwBnxYMemjW0hkO6/cTM6gtypfWGJ7NyKxDqXtET9E8A== X-Received: by 2002:a05:600c:1551:b0:3dc:18de:b221 with SMTP id f17-20020a05600c155100b003dc18deb221mr12053778wmg.21.1674832565936; Fri, 27 Jan 2023 07:16:05 -0800 (PST) From: Jean-Philippe Brucker To: peter.maydell@linaro.org Cc: qemu-devel@nongnu.org, qemu-arm@nongnu.org, pbonzini@redhat.com, eblake@redhat.com, armbru@redhat.com, berrange@redhat.com, eduardo@habkost.net, alex.bennee@linaro.org, richard.henderson@linaro.org, Jean-Philippe Brucker Subject: [RFC PATCH 13/16] target/arm/kvm-rme: Add breakpoints and watchpoints parameters Date: Fri, 27 Jan 2023 15:07:26 +0000 Message-Id: <20230127150727.612594-14-jean-philippe@linaro.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230127150727.612594-1-jean-philippe@linaro.org> References: <20230127150727.612594-1-jean-philippe@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::333; envelope-from=jean-philippe@linaro.org; helo=mail-wm1-x333.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1674832749305100001 Content-Type: text/plain; charset="utf-8" Pass the num_bps and num_wps parameters to Realm creation. These parameters contribute to the initial Realm measurement. Signed-off-by: Jean-Philippe Brucker Acked-by: Richard Henderson --- qapi/qom.json | 8 +++++++- target/arm/kvm-rme.c | 34 +++++++++++++++++++++++++++++++++- 2 files changed, 40 insertions(+), 2 deletions(-) diff --git a/qapi/qom.json b/qapi/qom.json index 94ecb87f6f..86ed386f26 100644 --- a/qapi/qom.json +++ b/qapi/qom.json @@ -866,12 +866,18 @@ # # @sve-vector-length: SVE vector length (default: 0, SVE disabled) # +# @num-breakpoints: Number of breakpoints (default: 0) +# +# @num-watchpoints: Number of watchpoints (default: 0) +# # Since: FIXME ## { 'struct': 'RmeGuestProperties', 'data': { '*measurement-algo': 'str', '*personalization-value': 'str', - '*sve-vector-length': 'uint32' } } + '*sve-vector-length': 'uint32', + '*num-breakpoints': 'uint32', + '*num-watchpoints': 'uint32' } } =20 ## # @ObjectType: diff --git a/target/arm/kvm-rme.c b/target/arm/kvm-rme.c index 0b2153a45c..3f39f1f7ad 100644 --- a/target/arm/kvm-rme.c +++ b/target/arm/kvm-rme.c @@ -22,7 +22,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(RmeGuest, RME_GUEST) =20 #define RME_PAGE_SIZE qemu_real_host_page_size() =20 -#define RME_MAX_CFG 3 +#define RME_MAX_BPS 0x10 +#define RME_MAX_WPS 0x10 +#define RME_MAX_CFG 4 =20 typedef struct RmeGuest RmeGuest; =20 @@ -31,6 +33,8 @@ struct RmeGuest { char *measurement_algo; char *personalization_value; uint32_t sve_vl; + uint32_t num_wps; + uint32_t num_bps; }; =20 struct RmeImage { @@ -145,6 +149,14 @@ static int rme_configure_one(RmeGuest *guest, uint32_t= cfg, Error **errp) args.sve_vq =3D guest->sve_vl / 128; cfg_str =3D "SVE"; break; + case KVM_CAP_ARM_RME_CFG_DBG: + if (!guest->num_bps && !guest->num_wps) { + return 0; + } + args.num_brps =3D guest->num_bps; + args.num_wrps =3D guest->num_wps; + cfg_str =3D "debug parameters"; + break; default: g_assert_not_reached(); } @@ -362,6 +374,10 @@ static void rme_get_uint32(Object *obj, Visitor *v, co= nst char *name, =20 if (strcmp(name, "sve-vector-length") =3D=3D 0) { value =3D guest->sve_vl; + } else if (strcmp(name, "num-breakpoints") =3D=3D 0) { + value =3D guest->num_bps; + } else if (strcmp(name, "num-watchpoints") =3D=3D 0) { + value =3D guest->num_wps; } else { g_assert_not_reached(); } @@ -388,6 +404,12 @@ static void rme_set_uint32(Object *obj, Visitor *v, co= nst char *name, error_setg(errp, "invalid SVE vector length %"PRIu32, value); return; } + } else if (strcmp(name, "num-breakpoints") =3D=3D 0) { + max_value =3D RME_MAX_BPS; + var =3D &guest->num_bps; + } else if (strcmp(name, "num-watchpoints") =3D=3D 0) { + max_value =3D RME_MAX_WPS; + var =3D &guest->num_wps; } else { g_assert_not_reached(); } @@ -424,6 +446,16 @@ static void rme_guest_class_init(ObjectClass *oc, void= *data) rme_set_uint32, NULL, NULL); object_class_property_set_description(oc, "sve-vector-length", "SVE vector length. 0 disables SVE (the default)"); + + object_class_property_add(oc, "num-breakpoints", "uint32", rme_get_uin= t32, + rme_set_uint32, NULL, NULL); + object_class_property_set_description(oc, "num-breakpoints", + "Number of breakpoints"); + + object_class_property_add(oc, "num-watchpoints", "uint32", rme_get_uin= t32, + rme_set_uint32, NULL, NULL); + object_class_property_set_description(oc, "num-watchpoints", + "Number of watchpoints"); } =20 static const TypeInfo rme_guest_info =3D { --=20 2.39.0