Date: Mon, 17 Feb 2020 09:53:23 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r358014 - in stable/12/sys/dev/mlx5: . mlx5_core Message-ID: <202002170953.01H9rNU8084449@repo.freebsd.org>
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Author: hselasky Date: Mon Feb 17 09:53:23 2020 New Revision: 358014 URL: https://svnweb.freebsd.org/changeset/base/358014 Log: MFC r357801: Add support for disabling and polling MSIX interrupts in mlx5core. Sponsored by: Mellanox Technologies Modified: stable/12/sys/dev/mlx5/driver.h stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c stable/12/sys/dev/mlx5/mlx5_core/mlx5_main.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/dev/mlx5/driver.h ============================================================================== --- stable/12/sys/dev/mlx5/driver.h Mon Feb 17 09:46:32 2020 (r358013) +++ stable/12/sys/dev/mlx5/driver.h Mon Feb 17 09:53:23 2020 (r358014) @@ -1184,4 +1184,7 @@ static inline bool mlx5_rl_is_supported(struct mlx5_co } #endif +void mlx5_disable_interrupts(struct mlx5_core_dev *); +void mlx5_poll_interrupts(struct mlx5_core_dev *); + #endif /* MLX5_DRIVER_H */ Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c ============================================================================== --- stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c Mon Feb 17 09:46:32 2020 (r358013) +++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_eq.c Mon Feb 17 09:53:23 2020 (r358014) @@ -739,3 +739,28 @@ static void mlx5_port_general_notification_event(struc } } +void +mlx5_disable_interrupts(struct mlx5_core_dev *dev) +{ + int nvec = dev->priv.eq_table.num_comp_vectors + MLX5_EQ_VEC_COMP_BASE; + int x; + + for (x = 0; x != nvec; x++) + disable_irq(dev->priv.msix_arr[x].vector); +} + +void +mlx5_poll_interrupts(struct mlx5_core_dev *dev) +{ + struct mlx5_eq *eq; + + if (unlikely(dev->priv.disable_irqs != 0)) + return; + + mlx5_eq_int(dev, &dev->priv.eq_table.cmd_eq); + mlx5_eq_int(dev, &dev->priv.eq_table.async_eq); + mlx5_eq_int(dev, &dev->priv.eq_table.pages_eq); + + list_for_each_entry(eq, &dev->priv.eq_table.comp_eqs_list, list) + mlx5_eq_int(dev, eq); +} Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_main.c ============================================================================== --- stable/12/sys/dev/mlx5/mlx5_core/mlx5_main.c Mon Feb 17 09:46:32 2020 (r358013) +++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_main.c Mon Feb 17 09:53:23 2020 (r358014) @@ -1585,7 +1585,7 @@ done: return 0; } -static void mlx5_disable_interrupts(struct mlx5_core_dev *mdev) +static void mlx5_shutdown_disable_interrupts(struct mlx5_core_dev *mdev) { int nvec = mdev->priv.eq_table.num_comp_vectors + MLX5_EQ_VEC_COMP_BASE; int x; @@ -1609,7 +1609,7 @@ static void shutdown_one(struct pci_dev *pdev) set_bit(MLX5_INTERFACE_STATE_TEARDOWN, &dev->intf_state); /* disable all interrupts */ - mlx5_disable_interrupts(dev); + mlx5_shutdown_disable_interrupts(dev); err = mlx5_try_fast_unload(dev); if (err)
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