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Mon, 17 Mar 2025 09:43:28 -0700 (PDT) Received: from deb-101020-bm01.dtc.local ([149.97.161.244]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-225c6888461sm77810085ad.23.2025.03.17.09.43.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Mar 2025 09:43:28 -0700 (PDT) From: anisa.su887@gmail.com To: qemu-devel@nongnu.org Cc: jonathan.cameron@huawei.com, nifan.cxl@gmail.com, dave@stgolabs.net, linux-cxl@vger.kernel.org, Anisa Su Subject: [PATCH 1/9] cxl/type3: Add supported block sizes bitmask to CXLDCRegion struct Date: Mon, 17 Mar 2025 16:31:28 +0000 Message-ID: <20250317164204.2299371-2-anisa.su887@gmail.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250317164204.2299371-1-anisa.su887@gmail.com> References: <20250317164204.2299371-1-anisa.su887@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=anisa.su887@gmail.com; helo=mail-pl1-x631.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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-Mailman-Approved-At: Mon, 17 Mar 2025 15:47:56 -0400 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Anisa Su Add supported_blk_size field to CXLDCRegion struct in preparation for next patch. It is needed by command 0x5600 Get DC Region Config. Signed-off-by: Anisa Su --- hw/mem/cxl_type3.c | 3 +++ include/hw/cxl/cxl_device.h | 1 + 2 files changed, 4 insertions(+) diff --git a/hw/mem/cxl_type3.c b/hw/mem/cxl_type3.c index 11c38a9292..731497ebda 100644 --- a/hw/mem/cxl_type3.c +++ b/hw/mem/cxl_type3.c @@ -8,6 +8,7 @@ * * SPDX-License-Identifier: GPL-v2-only */ +#include #include "qemu/osdep.h" #include "qemu/units.h" @@ -766,6 +767,7 @@ static bool cxl_create_dc_regions(CXLType3Dev *ct3d, Error **errp) uint64_t region_len; uint64_t decode_len; uint64_t blk_size = 2 * MiB; + uint64_t supported_blk_size_bitmask = BIT((int) log2(blk_size)); CXLDCRegion *region; MemoryRegion *mr; uint64_t dc_size; @@ -811,6 +813,7 @@ static bool cxl_create_dc_regions(CXLType3Dev *ct3d, Error **errp) .block_size = blk_size, /* dsmad_handle set when creating CDAT table entries */ .flags = 0, + .supported_blk_size_bitmask = supported_blk_size_bitmask, }; ct3d->dc.total_capacity += region->len; region->blk_bitmap = bitmap_new(region->len / region->block_size); diff --git a/include/hw/cxl/cxl_device.h b/include/hw/cxl/cxl_device.h index ca515cab13..bebed04085 100644 --- a/include/hw/cxl/cxl_device.h +++ b/include/hw/cxl/cxl_device.h @@ -608,6 +608,7 @@ typedef struct CXLDCRegion { uint32_t dsmadhandle; uint8_t flags; unsigned long *blk_bitmap; + uint64_t supported_blk_size_bitmask; } CXLDCRegion; typedef struct CXLSetFeatureInfo {