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AKwUvByjn6LmZi9X1t2TLumswg7jeD2VlbkDqzK0W8CvOvpIC32hHSN0huUyjfNHfSL2/YaGUmHa3gIvLDHnESM=@vger.kernel.org X-Gm-Message-State: AFuF++lkHg9Ca6anoQKcJL2cAqRgqeW8fv0sRqwam2Qht6+ivKemlDiJ fRYhUMfSOmS6+D3+jEPApoVthFlBQ9Gcg9I59cYIjiX+bJunc5vsbV6qSu6njaa5spdNaU1KmCr Sd/w2eY7V5rwXoxNo9W+yVw8llg== X-Received: from plrr9.prod.google.com ([2002:a17:902:c609:b0:2db:1a14:e0c8]) (user=hramamurthy job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1a70:b0:2de:834b:b594 with SMTP id d9443c01a7336-2df7dd8dafcmr29923875ad.74.1790276013697; Thu, 24 Sep 2026 11:53:33 -0700 (PDT) Date: Thu, 24 Sep 2026 18:53:14 +0000 In-Reply-To: <20260924185316.2831077-1-hramamurthy@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260924185316.2831077-1-hramamurthy@google.com> X-Mailer: git-send-email 2.56.0.rc1.315.gc6ed9934b7-goog Message-ID: <20260924185316.2831077-11-hramamurthy@google.com> Subject: [PATCH net-next v8 10/12] gve: setup and teardown management interrupts From: Harshitha Ramamurthy To: netdev@vger.kernel.org Cc: joshwash@google.com, hramamurthy@google.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, sdf@fomichev.me, jordanrhee@google.com, willemb@google.com, nktgrg@google.com, maolson@google.com, thostet@google.com, jacob.e.keller@intel.com, debarghyak@google.com, kees@kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org, przemyslaw.kitszel@intel.com Content-Type: text/plain; charset="UTF-8" From: Joshua Washington Introduce control ops to setup/teardown control plane IRQs. Admin queue-specific functionality is moved to admin queue files. Reviewed-by: Willem de Bruijn Reviewed-by: Jordan Rhee Reviewed-by: Przemek Kitszel Signed-off-by: Joshua Washington Signed-off-by: Harshitha Ramamurthy --- drivers/net/ethernet/google/gve/gve.h | 4 ++++ drivers/net/ethernet/google/gve/gve_adminq.c | 32 ++++++++++++++++++++++++++++ drivers/net/ethernet/google/gve/gve_adminq.h | 2 ++ drivers/net/ethernet/google/gve/gve_main.c | 26 +++++++--------------- 4 files changed, 46 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/google/gve/gve.h b/drivers/net/ethernet/google/gve/gve.h index 6c46c842070b..016e85ed91a5 100644 --- a/drivers/net/ethernet/google/gve/gve.h +++ b/drivers/net/ethernet/google/gve/gve.h @@ -837,6 +837,8 @@ struct gve_device_info { * @request_db_info: Request and store doorbell information into @priv * @release_db_resources: Release device hold on DMA memory holding doorbell * info (AdminQ only) + * @setup_mgmt_irq: Setup control plane IRQ + * @teardown_mgmt_irq: Teardown control plane IRQ * @get_ptype_map: Learn packet type map from device and store it in @priv * @configure_rss: Set up default RSS configuration * @setup_stats_report: Set up DMA region for stats report (AdminQ only) @@ -849,6 +851,8 @@ struct gve_ctrl_ops { int (*set_num_ntfy_blks)(struct gve_priv *priv); int (*request_db_info)(struct gve_priv *priv); void (*release_db_resources)(struct gve_priv *priv); + int (*setup_mgmt_irq)(struct gve_priv *priv); + void (*teardown_mgmt_irq)(struct gve_priv *priv); int (*get_ptype_map)(struct gve_priv *priv); int (*configure_rss)(struct gve_priv *priv, struct ethtool_rxfh_param *param); diff --git a/drivers/net/ethernet/google/gve/gve_adminq.c b/drivers/net/ethernet/google/gve/gve_adminq.c index b89825a85db8..05b011417bf3 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.c +++ b/drivers/net/ethernet/google/gve/gve_adminq.c @@ -1755,3 +1755,35 @@ void gve_adminq_release_db_resources(struct gve_priv *priv) "Could not deconfigure device resources: err=%d\n", err); } + +static irqreturn_t gve_mgmnt_intr(int irq, void *arg) +{ + struct gve_priv *priv = arg; + + queue_work(priv->gve_wq, &priv->service_task); + return IRQ_HANDLED; +} + +int gve_adminq_setup_mgmt_irq(struct gve_priv *priv) +{ + int err; + + snprintf(priv->mgmt_msix_name, sizeof(priv->mgmt_msix_name), + "gve-mgmnt@pci:%s", pci_name(priv->pdev)); + err = request_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, + gve_mgmnt_intr, 0, priv->mgmt_msix_name, priv); + if (err) + return err; + + priv->mgmt_irq_requested = true; + + return 0; +} + +void gve_adminq_teardown_mgmt_irq(struct gve_priv *priv) +{ + if (priv->mgmt_irq_requested) { + free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); + priv->mgmt_irq_requested = false; + } +} diff --git a/drivers/net/ethernet/google/gve/gve_adminq.h b/drivers/net/ethernet/google/gve/gve_adminq.h index 52172bf228eb..0b48e9f2a82a 100644 --- a/drivers/net/ethernet/google/gve/gve_adminq.h +++ b/drivers/net/ethernet/google/gve/gve_adminq.h @@ -659,4 +659,6 @@ int gve_adminq_map_db_bar(struct gve_priv *priv); void gve_adminq_unmap_db_bar(struct gve_priv *priv); int gve_adminq_request_db_info(struct gve_priv *priv); void gve_adminq_release_db_resources(struct gve_priv *priv); +int gve_adminq_setup_mgmt_irq(struct gve_priv *priv); +void gve_adminq_teardown_mgmt_irq(struct gve_priv *priv); #endif /* _GVE_ADMINQ_H */ diff --git a/drivers/net/ethernet/google/gve/gve_main.c b/drivers/net/ethernet/google/gve/gve_main.c index db6ea715eccf..0cec289f89e4 100644 --- a/drivers/net/ethernet/google/gve/gve_main.c +++ b/drivers/net/ethernet/google/gve/gve_main.c @@ -291,14 +291,6 @@ static void gve_free_stats_report(struct gve_priv *priv) priv->stats_report = NULL; } -static irqreturn_t gve_mgmnt_intr(int irq, void *arg) -{ - struct gve_priv *priv = arg; - - queue_work(priv->gve_wq, &priv->service_task); - return IRQ_HANDLED; -} - static irqreturn_t gve_intr(int irq, void *arg) { struct gve_notify_block *block = arg; @@ -523,12 +515,10 @@ abort: static void gve_teardown_notify_blocks(struct gve_priv *priv) { + const struct gve_ctrl_ops *ops = priv->ctrl_ops; int i; - if (priv->mgmt_irq_requested) { - free_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, priv); - priv->mgmt_irq_requested = false; - } + ops->teardown_mgmt_irq(priv); if (!priv->ntfy_blocks) return; @@ -549,21 +539,19 @@ static void gve_teardown_notify_blocks(struct gve_priv *priv) static int gve_setup_notify_blocks(struct gve_priv *priv) { + const struct gve_ctrl_ops *ops = priv->ctrl_ops; const struct cpumask *node_mask; unsigned int cur_cpu; int i; int err; /* Setup Management Vector */ - snprintf(priv->mgmt_msix_name, sizeof(priv->mgmt_msix_name), - "gve-mgmnt@pci:%s", pci_name(priv->pdev)); - err = request_irq(priv->msix_vectors[priv->mgmt_msix_idx].vector, - gve_mgmnt_intr, 0, priv->mgmt_msix_name, priv); + err = ops->setup_mgmt_irq(priv); if (err) { - dev_err(&priv->pdev->dev, "Did not receive management vector.\n"); + dev_err(&priv->pdev->dev, + "Did not receive management vector.\n"); return err; } - priv->mgmt_irq_requested = true; node_mask = gve_get_node_mask(priv); cur_cpu = cpumask_first(node_mask); @@ -2505,6 +2493,8 @@ static const struct gve_ctrl_ops gve_adminq_ops = { .configure_rss = gve_adminq_configure_rss, .request_db_info = gve_adminq_request_db_info, .release_db_resources = gve_adminq_release_db_resources, + .setup_mgmt_irq = gve_adminq_setup_mgmt_irq, + .teardown_mgmt_irq = gve_adminq_teardown_mgmt_irq, }; static int gve_init_priv(struct gve_priv *priv) -- 2.56.0.rc1.310.g51773c2048-goog