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c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1675771775; bh=lVnskt62WXTjQL8xh1t8y7e2B9BV1/qTkQL+/+8sNQQ=; h=Message-Id:Date:In-Reply-To:Cc:Subject:References:To:From; b=ZUNuWzs0LjCtWkbkRMs9p3HDwFKVAkflBV8FnpAWJeGweri62ZYYiEOAf0NyA95d+ BlA5Ey/32CwoR91QPCMc0B48PwX16QavgND/I8y9kUj/j9L2deZH8No9La76AEtSxS nR5dTNeiqmpoT4yNzI1rjzY2RcptxMX+rpOQhcgU= Authentication-Results: myt6-23a5e62c0090.qloud-c.yandex.net; dkim=pass header.i=@yandex-team.ru From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Cc: mst@redhat.com, marcel.apfelbaum@gmail.com, vsementsov@yandex-team.ru, philmd@linaro.org Subject: [PATCH 4/4] pcie: add trace-point for power indicator transitions Date: Tue, 7 Feb 2023 15:09:22 +0300 Message-Id: <20230207120922.325203-6-vsementsov@yandex-team.ru> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230207120922.325203-1-vsementsov@yandex-team.ru> References: <20230207120922.325203-1-vsementsov@yandex-team.ru> MIME-Version: 1.0 Received-SPF: pass client-ip=178.154.239.136; envelope-from=vsementsov@yandex-team.ru; helo=forwardcorp1b.mail.yandex.net 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, 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Vladimir Sementsov-Ogievskiy --- hw/pci/pcie.c | 20 ++++++++++++++++++++ hw/pci/trace-events | 3 +++ 2 files changed, 23 insertions(+) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index ccdb2377e1..1a19368994 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -28,6 +28,7 @@ #include "hw/pci/pcie_regs.h" #include "hw/pci/pcie_port.h" #include "qemu/range.h" +#include "trace.h" //#define DEBUG_PCIE #ifdef DEBUG_PCIE @@ -718,6 +719,20 @@ void pcie_cap_slot_get(PCIDevice *dev, uint16_t *slt_ctl, uint16_t *slt_sta) *slt_sta = pci_get_word(exp_cap + PCI_EXP_SLTSTA); } +static const char *pcie_sltctl_pic_str(uint16_t sltctl) +{ + switch (sltctl & PCI_EXP_SLTCTL_PIC) { + case PCI_EXP_SLTCTL_PWR_IND_ON: + return "on"; + case PCI_EXP_SLTCTL_PWR_IND_BLINK: + return "blink"; + case PCI_EXP_SLTCTL_PWR_IND_OFF: + return "off"; + default: + return "?"; + } +} + void pcie_cap_slot_write_config(PCIDevice *dev, uint16_t old_slt_ctl, uint16_t old_slt_sta, uint32_t addr, uint32_t val, int len) @@ -762,6 +777,11 @@ void pcie_cap_slot_write_config(PCIDevice *dev, sltsta); } + if ((val & PCI_EXP_SLTCTL_PIC) != (old_slt_ctl & PCI_EXP_SLTCTL_PIC)) { + trace_pcie_power_indicator(pcie_sltctl_pic_str(old_slt_ctl), + pcie_sltctl_pic_str(val)); + } + /* * If the slot is populated, power indicator is off and power * controller is off, it is safe to detach the devices. diff --git a/hw/pci/trace-events b/hw/pci/trace-events index aaf46bc92d..ec4a5ff43d 100644 --- a/hw/pci/trace-events +++ b/hw/pci/trace-events @@ -15,3 +15,6 @@ msix_write_config(char *name, bool enabled, bool masked) "dev %s enabled %d mask sriov_register_vfs(const char *name, int slot, int function, int num_vfs) "%s %02x:%x: creating %d vf devs" sriov_unregister_vfs(const char *name, int slot, int function, int num_vfs) "%s %02x:%x: Unregistering %d vf devs" sriov_config_write(const char *name, int slot, int fun, uint32_t offset, uint32_t val, uint32_t len) "%s %02x:%x: sriov offset 0x%x val 0x%x len %d" + +# pcie.c +pcie_power_indicator(const char *old, const char *new) "%s -> %s"