From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) (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 1B7FE21B9CE; Mon, 7 Jul 2025 20:18:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751919527; cv=none; b=WCRs52NgNwH+sCvH5eBBZmrVnGlWAKXc8imkZqN+2kLuFPf3FKNw6E3SJo9mwKPWOpPQVz7j/MHOZeuPAIWc2I/Z6oSqnrftovp2j4lM/soVfoy4HdPdA1hlq1aEAg2P6vJu5S73Nj9RvzcXoaJKJ396c6BklPyLRFIgug1f4f0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751919527; c=relaxed/simple; bh=qCKKiua53eeqKfpaWpnRVrcPOFeNixA3t0yrCwhFbAE=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=O57ga19nyxEOvNITwXMMosZkuZV7yul36bcBssM4+OIgJDzQE/BdDcUMOVPckGPA+0xTnW+KVs9XCPXUVjhaqATpT4RLd/2bXJxgbO+9AKwsv6+HW+GIzXU4yhscLq8kuf2wPAT4StT5zgq/ueDuKseq5BgEDwIZC4CS/rm9dS4= 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=caHPQ03S; arc=none smtp.client-ip=192.198.163.18 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="caHPQ03S" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1751919526; x=1783455526; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qCKKiua53eeqKfpaWpnRVrcPOFeNixA3t0yrCwhFbAE=; b=caHPQ03SG4TyqYyZl5b6QnaoTDTr/EsIDPHKOgfoIM3yuwQYVJL0uv2T f3C0VUQT6R3xVp8uTTUn9YmBucK0RMwa64Qk5o1jW0J1MtbzAy2I6P45a kn9HaVm9IqRKqfJlXWLa+9Ez50EZh145L2/x6HfImojf0bNN30YFYf2uj 5+OaNWQzCSm0C2NkX5QA+W9V0OlekaLb/QCN6oewKQ/juznnNEYzH6Qzc pjRi8OXoGsoXpgFgPBOmuXWbg4Q2HcZx1uvaY7YjdjwPIWUp+N6PeHHyI XSSe2SREWDDCrINa4MEVV6mi3H+9Y8OMqZFjFnP66+a8rdORZplaclrF3 Q==; X-CSE-ConnectionGUID: ZJbkJUf0SZajn7mcAk/zIg== X-CSE-MsgGUID: //VJkwSCT+y/So56QVfQOQ== X-IronPort-AV: E=McAfee;i="6800,10657,11487"; a="53362316" X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="53362316" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2025 13:18:44 -0700 X-CSE-ConnectionGUID: 5fKc7Mh5RHS9xZ5x8hXDWw== X-CSE-MsgGUID: aytSuCu8R4+SgKP9I1/nvA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,295,1744095600"; d="scan'208";a="159343673" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa003.fm.intel.com with ESMTP; 07 Jul 2025 13:18:44 -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, linux-perf-users@vger.kernel.org Cc: dapeng1.mi@linux.intel.com, Kan Liang Subject: [PATCH V4 2/4] perf/x86/intel/uncore: Support customized MMIO map size Date: Mon, 7 Jul 2025 13:17:48 -0700 Message-Id: <20250707201750.616527-3-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20250707201750.616527-1-kan.liang@linux.intel.com> References: <20250707201750.616527-1-kan.liang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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. Reviewed-by: Dapeng Mi 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/intel/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_uncore_box *box) } addr = unit->addr; - box->io_addr = ioremap(addr, UNCORE_GENERIC_MMIO_SIZE); + box->io_addr = 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/uncore_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 = from_type->get_topology; if (from_type->cleanup_mapping) to_type->cleanup_mapping = from_type->cleanup_mapping; + if (from_type->mmio_map_size) + to_type->mmio_map_size = from_type->mmio_map_size; } static struct intel_uncore_type ** -- 2.38.1