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bh=gGmSho80hRJEgScVaDEnT/Pg7XjU4Fmj6TVlaAS5JRA=; b=T/Hz83ln34DG0zPlhMIdQeO9R52fRPdRfH+8mLk9Mk5vrva60AAzufFZJkj0hi0iHDZ2BA cJioSm31ggD/YMstRVadjqELAMLnBrXHx12ZfJQSURbnuDeEINLD0xTg0W6waN1h+850Gr V36DH4YEYQTV7qlRUESS4Z4CE4474FE= X-MC-Unique: VVFPvW5SOEyhMrSabjs0Eg-1 From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, peterx@redhat.com Subject: [PATCH for-5.2 v4 11/11] hw/arm/smmuv3: Advertise SMMUv3.2 range invalidation Date: Tue, 28 Jul 2020 17:08:15 +0200 Message-Id: <20200728150815.11446-12-eric.auger@redhat.com> In-Reply-To: <20200728150815.11446-1-eric.auger@redhat.com> References: <20200728150815.11446-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eric.auger@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com 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; 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charset="utf-8" Expose the RIL bit so that the guest driver uses range invalidation. Although RIL is a 3.2 features, We let the AIDR advertise SMMUv3.1 support as v3.x implementation is allowed to implement features from v3.(x+1). Signed-off-by: Eric Auger Reviewed-by: Peter Maydell --- v2 -> v3: - keep the AIDR equal to 2. BBML support, which is 3.2 mandatory feature will be addressed in a separate patch. - added Peter's R-b (same version as in v1) --- hw/arm/smmuv3-internal.h | 1 + hw/arm/smmuv3.c | 1 + 2 files changed, 2 insertions(+) diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h index 9ae7d97faf..fa3c088972 100644 --- a/hw/arm/smmuv3-internal.h +++ b/hw/arm/smmuv3-internal.h @@ -55,6 +55,7 @@ REG32(IDR1, 0x4) REG32(IDR2, 0x8) REG32(IDR3, 0xc) FIELD(IDR3, HAD, 2, 1); + FIELD(IDR3, RIL, 10, 1); REG32(IDR4, 0x10) REG32(IDR5, 0x14) FIELD(IDR5, OAS, 0, 3); diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index b262f0e4a7..0122700e72 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -254,6 +254,7 @@ static void smmuv3_init_regs(SMMUv3State *s) s->idr[1] =3D FIELD_DP32(s->idr[1], IDR1, EVENTQS, SMMU_EVENTQS); s->idr[1] =3D FIELD_DP32(s->idr[1], IDR1, CMDQS, SMMU_CMDQS); =20 + s->idr[3] =3D FIELD_DP32(s->idr[3], IDR3, RIL, 1); s->idr[3] =3D FIELD_DP32(s->idr[3], IDR3, HAD, 1); =20 /* 4K and 64K granule support */ --=20 2.21.3