From nobody Thu Dec 18 12:30:10 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 500DF286D64 for ; Wed, 7 May 2025 14:34:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.17 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746628491; cv=none; b=ZfXhi4lZ/pXIqc2Ze8RpA42cNGyAdhzJ33uwhbr7ny5UPk2D6fb+cHf0a3dMZkUszjUvIHiddPG7om6ozSVtdKbcAyipOhZRRoqZBLTEMHWBJJAci+wroffhpo+AMn2/LaL0SmWEgjim8shnaF1bl9l6M6edEqncpQvVhX+b8k0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746628491; c=relaxed/simple; bh=0gNRnHp0lYcF48lsVadyWaPO5wqh2fr3pWkBS9xX3i4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=aR5tdchY1sI0Uvw1nys8s8yPZS82uz1HLCh4U8O/9FMz+o1J/HVL1xXYm3dBlRnKeepacRFFlDaMluQNT7hkt/R2TX6kLlTPXupDlmx+8sRIU7XN5o+qP4pmgVdY/fdLAL9/UC9EHs5EOTtCaeKS4b6C1PM8PhSJfUpfTmb3Q8k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=MV+0X/Mh; arc=none smtp.client-ip=198.175.65.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="MV+0X/Mh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1746628491; x=1778164491; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0gNRnHp0lYcF48lsVadyWaPO5wqh2fr3pWkBS9xX3i4=; b=MV+0X/Mh4S/P91BK+oIOp4vfn0kSuuY1nIa4XnrDIhYvP/A09k7VOpH6 RQCQ8zn9sxT44iYk7XRMkGxj0F4Aq1ojfTiq8j1+eTepwxr+YR8uDCt+O 4RJLmwSbZu0BnO5qxh9Dwx3yoo7yCntRGYmSp6D2+ALZhiKvakkvIcJGS tuHqQXUcwjbaXiemCfSGaaN/F/QaLWaDPaNeJcNPa+jVkgigmpT5ZxIHs HZq8cGEuiO5K4uEoK8ce9g8vpVl2vl9sUuNQQjSKkj+ivZniTqYD/qttm FjxB7Gf8VllMHtx8NQukVy+ZqIqQ1V6iJb9rfCLAZ/uKmDnvkr/8SG5NO w==; X-CSE-ConnectionGUID: x+R1Uj1JS52J7b4ZJ1jkBQ== X-CSE-MsgGUID: hEySKInBTSCPkddh1ZJwCw== X-IronPort-AV: E=McAfee;i="6700,10204,11426"; a="48378079" X-IronPort-AV: E=Sophos;i="6.15,269,1739865600"; d="scan'208";a="48378079" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2025 07:34:48 -0700 X-CSE-ConnectionGUID: YDbV30CyRTqBUTloa0auZg== X-CSE-MsgGUID: /feiHKp+QZO3rpUnMm/+Ow== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,269,1739865600"; d="scan'208";a="135943612" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa006.fm.intel.com with ESMTP; 07 May 2025 07:34:47 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, irogers@google.com, linux-kernel@vger.kernel.org Cc: Kan Liang Subject: [RESEND PATCH V2 2/4] perf/x86/intel/uncore: Support customized MMIO map size Date: Wed, 7 May 2025 07:34:25 -0700 Message-Id: <20250507143427.1319818-3-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250507143427.1319818-1-kan.liang@linux.intel.com> References: <20250507143427.1319818-1-kan.liang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Kan Liang For a server platform, the MMIO map size is always 0x4000. However, a client platform may have a smaller map size. Make the map size customizable. Signed-off-by: Kan Liang --- arch/x86/events/intel/uncore_discovery.c | 2 +- arch/x86/events/intel/uncore_snbep.c | 2 ++ 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/x86/events/intel/uncore_discovery.c b/arch/x86/events/int= el/uncore_discovery.c index 8680f66c3e34..142cf714bfe2 100644 --- a/arch/x86/events/intel/uncore_discovery.c +++ b/arch/x86/events/intel/uncore_discovery.c @@ -650,7 +650,7 @@ void intel_generic_uncore_mmio_init_box(struct intel_un= core_box *box) } =20 addr =3D unit->addr; - box->io_addr =3D ioremap(addr, UNCORE_GENERIC_MMIO_SIZE); + box->io_addr =3D ioremap(addr, type->mmio_map_size); if (!box->io_addr) { pr_warn("Uncore type %d box %d: ioremap error for 0x%llx.\n", type->type_id, unit->id, (unsigned long long)addr); diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/u= ncore_snbep.c index 76d96df1475a..2f5c2eb1ce0c 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -6408,6 +6408,8 @@ static void uncore_type_customized_copy(struct intel_= uncore_type *to_type, to_type->get_topology =3D from_type->get_topology; if (from_type->cleanup_mapping) to_type->cleanup_mapping =3D from_type->cleanup_mapping; + if (from_type->mmio_map_size) + to_type->mmio_map_size =3D from_type->mmio_map_size; } =20 static struct intel_uncore_type ** --=20 2.38.1