/* * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. All rights reserved. * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU * General Public License (GPL) Version 2, available from the file * COPYING in the main directory of this source tree, or the * OpenIB.org BSD license below: * * Redistribution and use in source and binary forms, with or * without modification, are permitted provided that the following * conditions are met: * * - Redistributions of source code must retain the above * copyright notice, this list of conditions and the following * disclaimer. * * - Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <linux/interrupt.h> #include <linux/slab.h> #include <linux/export.h> #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/mlx4/cmd.h> #include <linux/cpu_rmap.h> #include "mlx4.h" #include "fw.h" enum { … }; enum { … }; #define MLX4_EQ_STATUS_OK … #define MLX4_EQ_STATUS_WRITE_FAIL … #define MLX4_EQ_OWNER_SW … #define MLX4_EQ_OWNER_HW … #define MLX4_EQ_FLAG_EC … #define MLX4_EQ_FLAG_OI … #define MLX4_EQ_STATE_ARMED … #define MLX4_EQ_STATE_FIRED … #define MLX4_EQ_STATE_ALWAYS_ARMED … #define MLX4_ASYNC_EVENT_MASK … static u64 get_async_ev_mask(struct mlx4_dev *dev) { … } static void eq_set_ci(struct mlx4_eq *eq, int req_not) { … } static struct mlx4_eqe *get_eqe(struct mlx4_eq *eq, u32 entry, u8 eqe_factor, u8 eqe_size) { … } static struct mlx4_eqe *next_eqe_sw(struct mlx4_eq *eq, u8 eqe_factor, u8 size) { … } static struct mlx4_eqe *next_slave_event_eqe(struct mlx4_slave_event_eq *slave_eq) { … } void mlx4_gen_slave_eqe(struct work_struct *work) { … } static void slave_event(struct mlx4_dev *dev, u8 slave, struct mlx4_eqe *eqe) { … } static void mlx4_slave_event(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) { … } #if defined(CONFIG_SMP) static void mlx4_set_eq_affinity_hint(struct mlx4_priv *priv, int vec) { … } #endif int mlx4_gen_pkey_eqe(struct mlx4_dev *dev, int slave, u8 port) { … } EXPORT_SYMBOL(…); int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port) { … } EXPORT_SYMBOL(…); int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port, u8 port_subtype_change) { … } EXPORT_SYMBOL(…); enum slave_port_state mlx4_get_slave_port_state(struct mlx4_dev *dev, int slave, u8 port) { … } EXPORT_SYMBOL(…); static int mlx4_set_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, enum slave_port_state state) { … } static void set_all_slave_state(struct mlx4_dev *dev, u8 port, int event) { … } /************************************************************************** The function get as input the new event to that port, and according to the prev state change the slave's port state. The events are: MLX4_PORT_STATE_DEV_EVENT_PORT_DOWN, MLX4_PORT_STATE_DEV_EVENT_PORT_UP MLX4_PORT_STATE_IB_EVENT_GID_VALID MLX4_PORT_STATE_IB_EVENT_GID_INVALID ***************************************************************************/ int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, u8 port, int event, enum slave_port_gen_event *gen_event) { … } EXPORT_SYMBOL(…); int mlx4_gen_slaves_port_mgt_ev(struct mlx4_dev *dev, u8 port, int attr) { … } EXPORT_SYMBOL(…); void mlx4_master_handle_slave_flr(struct work_struct *work) { … } static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq) { … } static irqreturn_t mlx4_interrupt(int irq, void *dev_ptr) { … } static irqreturn_t mlx4_msi_x_interrupt(int irq, void *eq_ptr) { … } int mlx4_MAP_EQ_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { … } static int mlx4_MAP_EQ(struct mlx4_dev *dev, u64 event_mask, int unmap, int eq_num) { … } static int mlx4_SW2HW_EQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, int eq_num) { … } static int mlx4_HW2SW_EQ(struct mlx4_dev *dev, int eq_num) { … } static int mlx4_num_eq_uar(struct mlx4_dev *dev) { … } static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq) { … } static void mlx4_unmap_uar(struct mlx4_dev *dev) { … } static int mlx4_create_eq(struct mlx4_dev *dev, int nent, u8 intr, struct mlx4_eq *eq) { … } static void mlx4_free_eq(struct mlx4_dev *dev, struct mlx4_eq *eq) { … } static void mlx4_free_irqs(struct mlx4_dev *dev) { … } static int mlx4_map_clr_int(struct mlx4_dev *dev) { … } static void mlx4_unmap_clr_int(struct mlx4_dev *dev) { … } int mlx4_alloc_eq_table(struct mlx4_dev *dev) { … } void mlx4_free_eq_table(struct mlx4_dev *dev) { … } int mlx4_init_eq_table(struct mlx4_dev *dev) { … } void mlx4_cleanup_eq_table(struct mlx4_dev *dev) { … } /* A test that verifies that we can accept interrupts * on the vector allocated for asynchronous events */ int mlx4_test_async(struct mlx4_dev *dev) { … } EXPORT_SYMBOL(…); /* A test that verifies that we can accept interrupts * on the given irq vector of the tested port. * Interrupts are checked using the NOP command. */ int mlx4_test_interrupt(struct mlx4_dev *dev, int vector) { … } EXPORT_SYMBOL(…); bool mlx4_is_eq_vector_valid(struct mlx4_dev *dev, u8 port, int vector) { … } EXPORT_SYMBOL(…); u32 mlx4_get_eqs_per_port(struct mlx4_dev *dev, u8 port) { … } EXPORT_SYMBOL(…); int mlx4_is_eq_shared(struct mlx4_dev *dev, int vector) { … } EXPORT_SYMBOL(…); struct cpu_rmap *mlx4_get_cpu_rmap(struct mlx4_dev *dev, int port) { … } EXPORT_SYMBOL(…); int mlx4_assign_eq(struct mlx4_dev *dev, u8 port, int *vector) { … } EXPORT_SYMBOL(…); int mlx4_eq_get_irq(struct mlx4_dev *dev, int cq_vec) { … } EXPORT_SYMBOL(…); void mlx4_release_eq(struct mlx4_dev *dev, int vec) { … } EXPORT_SYMBOL(…);
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