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Tsirkin" , Alexander Graf , qemu-arm@nongnu.org, Peter Maydell , Marcel Apfelbaum , Yanan Wang , Richard Henderson , Cameron Esfahani , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v4 01/17] accel/system: Introduce hwaccel_enabled() helper Date: Mon, 4 Aug 2025 16:23:10 +0200 Message-Id: <20250804142326.72947-2-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20250804142326.72947-1-mohamed@unpredictable.fr> References: <20250804142326.72947-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODA0MDA3OSBTYWx0ZWRfX1JzVV5QqEGl2 NANUlIyxEMaNmuWp4rZglnY03K8d81RFsr+sV5bJBSFeoWj8fR1/JYAOM6878M13xMHrhwE0IZR RomQnp4hmwccgfkQ2YU1K+odv+r4eT/qHdKIr2QLUn5nw4CAW8730nS9VYkTe/ifxhgxQUNW0cA YnTgb1aa5krOcTYwQNw+QY4kV/F+tnLdqgHVPtQhrHUqvf/3lM5tXDOMWoqeriA35nP5xDCpa71 QE10ArpjoAs4pI//9vd0enkxmW9iDVn8J1mnmIsRItBvBMpOjSghVLRgJxJtvKiIetyQ5KBYI= X-Proofpoint-GUID: AmkUgQGkNJICz4pNg-keyJwqaa9-FS-C X-Proofpoint-ORIG-GUID: AmkUgQGkNJICz4pNg-keyJwqaa9-FS-C X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-04_06,2025-08-04_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 malwarescore=0 spamscore=0 mlxscore=0 bulkscore=0 adultscore=0 clxscore=1030 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506270000 definitions=main-2508040079 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=57.103.87.221; envelope-from=mohamed@unpredictable.fr; helo=outbound.qs.icloud.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1754322457721116600 From: Philippe Mathieu-Daud=C3=A9 hwaccel_enabled() return whether any hardware accelerator is available. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- include/system/hw_accel.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/system/hw_accel.h b/include/system/hw_accel.h index fa9228d5d2..49556b026e 100644 --- a/include/system/hw_accel.h +++ b/include/system/hw_accel.h @@ -39,4 +39,17 @@ void cpu_synchronize_pre_loadvm(CPUState *cpu); void cpu_synchronize_post_reset(CPUState *cpu); void cpu_synchronize_post_init(CPUState *cpu); =20 +/** + * hwaccel_enabled: + * + * Returns: %true if a hardware accelerator is enabled, %false otherwise. + */ +static inline bool hwaccel_enabled(void) +{ + return hvf_enabled() + || kvm_enabled() + || nvmm_enabled() + || whpx_enabled(); +} + #endif /* QEMU_HW_ACCEL_H */ --=20 2.39.5 (Apple Git-154)