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Tue, 6 Apr 2021 05:39:04 +0000 (GMT) From: Ravi Bangoria To: paulus@samba.org, david@gibson.dropbear.id.au Subject: [PATCH v4 0/3] ppc: Enable 2nd DAWR support on Power10 Date: Tue, 6 Apr 2021 11:08:30 +0530 Message-Id: <20210406053833.282907-1-ravi.bangoria@linux.ibm.com> X-Mailer: git-send-email 2.30.2 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: MCYFSoaxnKv4EDLXyT9u0_WvNJiHeose X-Proofpoint-GUID: dKqAIj6i_Wb8ivCLaz-8NPPIr987M65k Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.369, 18.0.761 definitions=2021-04-06_01:2021-04-01, 2021-04-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 mlxscore=0 priorityscore=1501 spamscore=0 clxscore=1015 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104030000 definitions=main-2104060037 Received-SPF: pass client-ip=148.163.158.5; envelope-from=ravi.bangoria@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ravi.bangoria@linux.ibm.com, mikey@neuling.org, kvm@vger.kernel.org, mst@redhat.com, mpe@ellerman.id.au, cohuck@redhat.com, qemu-devel@nongnu.org, groug@kaod.org, qemu-ppc@nongnu.org, clg@kaod.org, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series enables 2nd DAWR support on p10 qemu guest. 2nd DAWR is new watchpoint added in Power10 processor. Kernel/kvm patches are already in[1]. Watchpoint on powerpc TCG guest is not supported and thus 2nd DAWR is not enabled for TCG mode. Patches apply fine on qemu/master branch (11577d85b1a6). v3: https://lore.kernel.org/r/20210330095350.36309-1-ravi.bangoria@linux.ibm.com v3->v4: - spapr_dt_pa_features(): POWER10 processor is compatible with 3.0 (PCR_COMPAT_3_00). No need to ppc_check_compat(3_10) for now as ppc_check_compati(3_00) will also be true. ppc_check_compat(3_10) can be added while introducing pa_features_310 in future. - Use error_append_hint() for hints. Also add ERRP_GUARD(). - Add kvmppc_set_cap_dawr1() stub function for CONFIG_KVM=n. v2: https://lore.kernel.org/r/20210329041906.213991-1-ravi.bangoria@linux.ibm.com v2->v3: - Don't introduce pa_features_310[], instead, reuse pa_features_300[] for 3.1 guests, as there is no difference between initial values of them atm. - Call gen_spr_book3s_310_dbg() from init_proc_POWER10() instead of init_proc_POWER8(). Also, Don't call gen_spr_book3s_207_dbg() from gen_spr_book3s_310_dbg() as init_proc_POWER10() already calls it. v1: https://lore.kernel.org/r/20200723104220.314671-1-ravi.bangoria@linux.ibm.com [Apologies for long gap] v1->v2: - Introduce machine capability cap-dawr1 to enable/disable the feature. By default, 2nd DAWR is OFF for guests even when host kvm supports it. User has to manually enable it with -machine cap-dawr1=on if he wishes to use it. - Split the header file changes into separate patch. (Sync headers from v5.12-rc3) [1] https://git.kernel.org/torvalds/c/bd1de1a0e6eff Ravi Bangoria (3): Linux headers: update from 5.12-rc3 ppc: Rename current DAWR macros and variables ppc: Enable 2nd DAWR support on p10 hw/ppc/spapr.c | 7 +- hw/ppc/spapr_caps.c | 32 +++++++ include/hw/ppc/spapr.h | 8 +- include/standard-headers/drm/drm_fourcc.h | 23 ++++- include/standard-headers/linux/input.h | 2 +- .../standard-headers/rdma/vmw_pvrdma-abi.h | 7 ++ linux-headers/asm-generic/unistd.h | 4 +- linux-headers/asm-mips/unistd_n32.h | 1 + linux-headers/asm-mips/unistd_n64.h | 1 + linux-headers/asm-mips/unistd_o32.h | 1 + linux-headers/asm-powerpc/kvm.h | 2 + linux-headers/asm-powerpc/unistd_32.h | 1 + linux-headers/asm-powerpc/unistd_64.h | 1 + linux-headers/asm-s390/unistd_32.h | 1 + linux-headers/asm-s390/unistd_64.h | 1 + linux-headers/asm-x86/kvm.h | 1 + linux-headers/asm-x86/unistd_32.h | 1 + linux-headers/asm-x86/unistd_64.h | 1 + linux-headers/asm-x86/unistd_x32.h | 1 + linux-headers/linux/kvm.h | 89 +++++++++++++++++++ linux-headers/linux/vfio.h | 27 ++++++ target/ppc/cpu.h | 6 +- target/ppc/kvm.c | 12 +++ target/ppc/kvm_ppc.h | 12 +++ target/ppc/translate_init.c.inc | 19 +++- 25 files changed, 250 insertions(+), 11 deletions(-) -- 2.17.1