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Tue, 01 Apr 2025 04:44:27 -0700 (PDT) From: Nicholas Piggin To: Corey Minyard Cc: Nicholas Piggin , qemu-devel@nongnu.org Subject: [PATCH v2 4/5] ipmi/bmc-sim: implement watchdog dont log flag Date: Tue, 1 Apr 2025 21:44:11 +1000 Message-ID: <20250401114412.676636-5-npiggin@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250401114412.676636-1-npiggin@gmail.com> References: <20250401114412.676636-1-npiggin@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2607:f8b0:4864:20::62e; envelope-from=npiggin@gmail.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_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-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 @gmail.com) X-ZM-MESSAGEID: 1743507992103019000 Content-Type: text/plain; charset="utf-8" If the dont-log flag is set in the 'timer use' field for the 'set watchdog' command, a watchdog timeout will not get logged as a timer use expiration. Signed-off-by: Nicholas Piggin --- hw/ipmi/ipmi_bmc_sim.c | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index 216bf8ff7f0..3cefc69f8a8 100644 --- a/hw/ipmi/ipmi_bmc_sim.c +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -514,7 +514,8 @@ static void gen_event(IPMIBmcSim *ibs, unsigned int sen= s_num, uint8_t deassert, =20 static void sensor_set_discrete_bit(IPMIBmcSim *ibs, unsigned int sensor, unsigned int bit, unsigned int val, - uint8_t evd1, uint8_t evd2, uint8_t ev= d3) + uint8_t evd1, uint8_t evd2, uint8_t ev= d3, + bool do_log) { IPMISensor *sens; uint16_t mask; @@ -534,7 +535,7 @@ static void sensor_set_discrete_bit(IPMIBmcSim *ibs, un= signed int sensor, return; /* Already asserted */ } sens->assert_states |=3D mask & sens->assert_suppt; - if (sens->assert_enable & mask & sens->assert_states) { + if (do_log && (sens->assert_enable & mask & sens->assert_states)) { /* Send an event on assert */ gen_event(ibs, sensor, 0, evd1, evd2, evd3); } @@ -544,7 +545,7 @@ static void sensor_set_discrete_bit(IPMIBmcSim *ibs, un= signed int sensor, return; /* Already deasserted */ } sens->deassert_states |=3D mask & sens->deassert_suppt; - if (sens->deassert_enable & mask & sens->deassert_states) { + if (do_log && (sens->deassert_enable & mask & sens->deassert_state= s)) { /* Send an event on deassert */ gen_event(ibs, sensor, 1, evd1, evd2, evd3); } @@ -700,6 +701,7 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) { IPMIInterface *s =3D ibs->parent.intf; IPMIInterfaceClass *k =3D IPMI_INTERFACE_GET_CLASS(s); + bool do_log =3D !IPMI_BMC_WATCHDOG_GET_DONT_LOG(ibs); =20 if (!ibs->watchdog_running) { goto out; @@ -711,14 +713,16 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) ibs->msg_flags |=3D IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; k->do_hw_op(s, IPMI_SEND_NMI, 0); sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, - 0xc8, (2 << 4) | 0xf, 0xff); + 0xc8, (2 << 4) | 0xf, 0xff, + do_log); break; =20 case IPMI_BMC_WATCHDOG_PRE_MSG_INT: ibs->msg_flags |=3D IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; k->set_atn(s, 1, attn_irq_enabled(ibs)); sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, - 0xc8, (3 << 4) | 0xf, 0xff); + 0xc8, (3 << 4) | 0xf, 0xff, + do_log); break; =20 default: @@ -734,28 +738,36 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) =20 do_full_expiry: ibs->watchdog_running =3D 0; /* Stop the watchdog on a timeout */ - ibs->watchdog_expired |=3D (1 << IPMI_BMC_WATCHDOG_GET_USE(ibs)); + + if (do_log) { + ibs->watchdog_expired |=3D (1 << IPMI_BMC_WATCHDOG_GET_USE(ibs)); + } + switch (IPMI_BMC_WATCHDOG_GET_ACTION(ibs)) { case IPMI_BMC_WATCHDOG_ACTION_NONE: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 0, 1, - 0xc0, ibs->watchdog_use & 0xf, 0xff); + 0xc0, ibs->watchdog_use & 0xf, 0xff, + do_log); break; =20 case IPMI_BMC_WATCHDOG_ACTION_RESET: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 1, 1, - 0xc1, ibs->watchdog_use & 0xf, 0xff); + 0xc1, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_RESET_CHASSIS, 0); break; =20 case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, - 0xc2, ibs->watchdog_use & 0xf, 0xff); + 0xc2, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0); break; =20 case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, - 0xc3, ibs->watchdog_use & 0xf, 0xff); + 0xc3, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0); break; } --=20 2.47.1