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Tsirkin" , Marcel Apfelbaum , Peter Xu , Fabiano Rosas , Steve Sistare Subject: [PATCH V5 24/38] physmem: qemu_ram_get_fd_offset Date: Tue, 10 Jun 2025 08:39:37 -0700 Message-Id: <1749569991-25171-25-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1749569991-25171-1-git-send-email-steven.sistare@oracle.com> References: <1749569991-25171-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-10_07,2025-06-10_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 phishscore=0 spamscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2505160000 definitions=main-2506100125 X-Proofpoint-GUID: bTjJ6ELv-kOEFq31V_Dt3x-Wj9mtM15q X-Authority-Analysis: v=2.4 cv=GcEXnRXL c=1 sm=1 tr=0 ts=684851f0 b=1 cx=c_pps a=e1sVV491RgrpLwSTMOnk8w==:117 a=e1sVV491RgrpLwSTMOnk8w==:17 a=6IFa9wvqVegA:10 a=yPCof4ZbAAAA:8 a=20KFwNOVAAAA:8 a=QyXUC8HyAAAA:8 a=s_ck3szjhOtuhh_aLR8A:9 cc=ntf awl=host:14714 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjEwMDEyNiBTYWx0ZWRfX8zd8fyzOByzS PUgYMwFsAmJa+8qCSXaAohdCWv4cptWWrF3ds755s5Pql50Tu2WOQgZhsaEU08+9jXTsb+kAQhA w9pHh8dU0n0uQiRzUkuEXB0iXRVbWeSjYB89+lUIDaQDwb8QDKmrgT6YpycWo0VtC2byGmCDP/C Vk7Mi4ilU/6sChXro/nTXeWd5hXRdrs+WaTM1GuTbbSv7DIXddL2C1ZhShorlMyC1p/LYcPfFOZ 19CvEaoeWEAMgFUcz3+mG+x0ztA0QmnUH68gB8KlAVozC7h6JtoDSwXZ4+iW7bVOQMHDx6KOLpH zQHJVWvsI3A52gGFgq2V2/iqP++2i4MJ6sEtFGfJeGqWznjPzRdU1KKDoTMlfXUwohaPQSIrZYw OrtMlPuVl+U5VHCJ9cy5S8eRWFrKuJ4nFqpisCpqJhR5gySGpKUVK7EmqGPJyzZVIvr9S4mU X-Proofpoint-ORIG-GUID: bTjJ6ELv-kOEFq31V_Dt3x-Wj9mtM15q Received-SPF: pass client-ip=205.220.165.32; envelope-from=steven.sistare@oracle.com; helo=mx0a-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Define qemu_ram_get_fd_offset, so CPR can map a memory region using IOMMU_IOAS_MAP_FILE in a subsequent patch. Signed-off-by: Steve Sistare Reviewed-by: Peter Xu Reviewed-by: Zhenzhong Duan --- include/exec/cpu-common.h | 1 + system/physmem.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index a684855..9b658a3 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -85,6 +85,7 @@ void qemu_ram_unset_idstr(RAMBlock *block); const char *qemu_ram_get_idstr(RAMBlock *rb); void *qemu_ram_get_host_addr(RAMBlock *rb); ram_addr_t qemu_ram_get_offset(RAMBlock *rb); +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb); ram_addr_t qemu_ram_get_used_length(RAMBlock *rb); ram_addr_t qemu_ram_get_max_length(RAMBlock *rb); bool qemu_ram_is_shared(RAMBlock *rb); diff --git a/system/physmem.c b/system/physmem.c index a8a9ca3..18684a4 100644 --- a/system/physmem.c +++ b/system/physmem.c @@ -1593,6 +1593,11 @@ ram_addr_t qemu_ram_get_offset(RAMBlock *rb) return rb->offset; } +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb) +{ + return rb->fd_offset; +} + ram_addr_t qemu_ram_get_used_length(RAMBlock *rb) { return rb->used_length; -- 1.8.3.1