diff options
author | David S. Miller <davem@davemloft.net> | 2021-08-12 12:45:41 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-08-12 12:45:41 +0100 |
commit | bed5a942e27e1df67250e27e1f2eb5ea2d4cc362 (patch) | |
tree | 866f687986db727124be778b79e96be020089b6d | |
parent | dea807744439e80f5438db15d1f7dca9a8216571 (diff) | |
parent | 61b6a6c395d6a5d15a85c7c6613d4bd6ffc547ff (diff) |
Merge tag 'mlx5-updates-2021-08-11' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5 updates 2021-08-11
This series provides misc updates to mlx5.
For more information please see tag log below.
Please pull and let me know if there is any problem.
mlx5-updates-2021-08-11
Misc. cleanup for mlx5.
1) Typos and use of netdev_warn()
2) smatch cleanup
3) Minor fix to inner TTC table creation
4) Dynamic capability cache allocation
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
20 files changed, 190 insertions, 107 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 9d79c5ec31e9..db5dfff585c9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -877,7 +877,7 @@ static void cb_timeout_handler(struct work_struct *work) ent->ret = -ETIMEDOUT; mlx5_core_warn(dev, "cmd[%d]: %s(0x%x) Async, timeout. Will cause a leak of a command resource\n", ent->idx, mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); - mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); + mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true); out: cmd_ent_put(ent); /* for the cmd_ent_get() took on schedule delayed work */ @@ -994,7 +994,7 @@ static void cmd_work_handler(struct work_struct *work) MLX5_SET(mbox_out, ent->out, status, status); MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); - mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); + mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true); return; } @@ -1008,7 +1008,7 @@ static void cmd_work_handler(struct work_struct *work) poll_timeout(ent); /* make sure we read the descriptor after ownership is SW */ rmb(); - mlx5_cmd_comp_handler(dev, 1UL << ent->idx, (ent->ret == -ETIMEDOUT)); + mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, (ent->ret == -ETIMEDOUT)); } } @@ -1068,7 +1068,7 @@ static void wait_func_handle_exec_timeout(struct mlx5_core_dev *dev, mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); ent->ret = -ETIMEDOUT; - mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); + mlx5_cmd_comp_handler(dev, 1ULL << ent->idx, true); } static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c index 8f79f04eccd6..a61731cb6045 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.c @@ -520,7 +520,7 @@ int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv, e->out_dev = attr.out_dev; e->route_dev_ifindex = attr.route_dev->ifindex; - /* It's importent to add the neigh to the hash table before checking + /* It's important to add the neigh to the hash table before checking * the neigh validity state. So if we'll get a notification, in case the * neigh changes it's validity state, we would find the relevant neigh * in the hash. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c index c06267477b27..538bc2419bd8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/setup.c @@ -126,7 +126,7 @@ int mlx5e_open_xsk(struct mlx5e_priv *priv, struct mlx5e_params *params, /* Create a separate SQ, so that when the buff pool is disabled, we could * close this SQ safely and stop receiving CQEs. In other case, e.g., if * the XDPSQ was used instead, we might run into trouble when the buff pool - * is disabled and then reenabled, but the SQ continues receiving CQEs + * is disabled and then re-enabled, but the SQ continues receiving CQEs * from the old buff pool. */ err = mlx5e_open_xdpsq(c, params, &cparam->xdp_sq, pool, &c->xsksq, true); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c index c4db367d4baf..84eb7201c142 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_common.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_common.c @@ -33,7 +33,7 @@ #include "en.h" /* mlx5e global resources should be placed in this file. - * Global resources are common to all the netdevices crated on the same nic. + * Global resources are common to all the netdevices created on the same nic. */ void mlx5e_mkey_set_relaxed_ordering(struct mlx5_core_dev *mdev, void *mkc) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c index 5c754e9af669..c06b4b938ae7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c @@ -1255,7 +1255,8 @@ static int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv) return 0; mlx5e_set_inner_ttc_params(priv, &ttc_params); - priv->fs.inner_ttc = mlx5_create_ttc_table(priv->mdev, &ttc_params); + priv->fs.inner_ttc = mlx5_create_inner_ttc_table(priv->mdev, + &ttc_params); if (IS_ERR(priv->fs.inner_ttc)) return PTR_ERR(priv->fs.inner_ttc); return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h index 8f0c82448eec..756f806401d7 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.h @@ -146,7 +146,7 @@ struct mlx5e_neigh_hash_entry { */ refcount_t refcnt; - /* Save the last reported time offloaded trafic pass over one of the + /* Save the last reported time offloaded traffic pass over one of the * neigh hash entry flows. Use it to periodically update the neigh * 'used' value and avoid neigh deleting by the kernel. */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index e5c4344a114e..9465a51b6e66 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -97,7 +97,7 @@ struct mlx5e_tc_attr_to_reg_mapping mlx5e_tc_attr_to_reg_mappings[] = { [MARK_TO_REG] = mark_to_reg_ct, [LABELS_TO_REG] = labels_to_reg_ct, [FTEID_TO_REG] = fteid_to_reg_ct, - /* For NIC rules we store the retore metadata directly + /* For NIC rules we store the restore metadata directly * into reg_b that is passed to SW since we don't * jump between steering domains. */ @@ -2448,7 +2448,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS_3; } } - /* Currenlty supported only for MPLS over UDP */ + /* Currently supported only for MPLS over UDP */ if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_MPLS) && !netif_is_bareudp(filter_dev)) { NL_SET_ERR_MSG_MOD(extack, @@ -2702,7 +2702,9 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (s_mask && a_mask) { NL_SET_ERR_MSG_MOD(extack, "can't set and add to the same HW field"); - printk(KERN_WARNING "mlx5: can't set and add to the same HW field (%x)\n", f->field); + netdev_warn(priv->netdev, + "mlx5: can't set and add to the same HW field (%x)\n", + f->field); return -EOPNOTSUPP; } @@ -2741,8 +2743,9 @@ static int offload_pedit_fields(struct mlx5e_priv *priv, if (first < next_z && next_z < last) { NL_SET_ERR_MSG_MOD(extack, "rewrite of few sub-fields isn't supported"); - printk(KERN_WARNING "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", - mask); + netdev_warn(priv->netdev, + "mlx5: rewrite of few sub-fields (mask %lx) isn't offloaded\n", + mask); return -EOPNOTSUPP; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 7ffea2350f44..2fde9f59e8b4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1492,7 +1492,7 @@ abort: /** * mlx5_eswitch_enable - Enable eswitch * @esw: Pointer to eswitch - * @num_vfs: Enable eswitch swich for given number of VFs. + * @num_vfs: Enable eswitch switch for given number of VFs. * Caller must pass num_vfs > 0 when enabling eswitch for * vf vports. * mlx5_eswitch_enable() returns 0 on success or error code on failure. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c index d713ae24d6b6..a1ac3a654962 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -27,7 +27,7 @@ static int pcie_core(struct notifier_block *, unsigned long, void *); static int forward_event(struct notifier_block *, unsigned long, void *); static struct mlx5_nb events_nbs_ref[] = { - /* Events to be proccessed by mlx5_core */ + /* Events to be processed by mlx5_core */ {.nb.notifier_call = any_notifier, .event_type = MLX5_EVENT_TYPE_NOTIFY_ANY }, {.nb.notifier_call = temp_warn, .event_type = MLX5_EVENT_TYPE_TEMP_WARN_EVENT }, {.nb.notifier_call = port_module, .event_type = MLX5_EVENT_TYPE_PORT_MODULE_EVENT }, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c index 0bba92cf5dc0..8ec148010d62 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c @@ -1516,7 +1516,7 @@ static int mlx5_fpga_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm, mutex_lock(&fpga_xfrm->lock); if (!fpga_xfrm->sa_ctx) - /* Unbounded xfrm, chane only sw attrs */ + /* Unbounded xfrm, change only sw attrs */ goto change_sw_xfrm_attrs; /* copy original hw sa */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 8481027e493c..9fe8e3c204d6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -2343,7 +2343,7 @@ static int create_leaf_prios(struct mlx5_flow_namespace *ns, int prio, #define FLOW_TABLE_BIT_SZ 1 #define GET_FLOW_TABLE_CAP(dev, offset) \ - ((be32_to_cpu(*((__be32 *)(dev->caps.hca_cur[MLX5_CAP_FLOW_TABLE]) + \ + ((be32_to_cpu(*((__be32 *)(dev->caps.hca[MLX5_CAP_FLOW_TABLE]->cur) + \ offset / 32)) >> \ (32 - FLOW_TABLE_BIT_SZ - (offset & 0x1f))) & FLOW_TABLE_BIT_SZ) static bool has_required_caps(struct mlx5_core_dev *dev, struct node_caps *caps) @@ -2493,7 +2493,7 @@ static void set_prio_attrs_in_prio(struct fs_prio *prio, int acc_level) acc_level_ns = set_prio_attrs_in_ns(ns, acc_level); /* If this a prio with chains, and we can jump from one chain - * (namepsace) to another, so we accumulate the levels + * (namespace) to another, so we accumulate the levels */ if (prio->node.type == FS_TYPE_PRIO_CHAINS) acc_level = acc_level_ns; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index 9abeb80ffa31..037e18dd4be0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -170,7 +170,7 @@ static bool reset_fw_if_needed(struct mlx5_core_dev *dev) /* The reset only needs to be issued by one PF. The health buffer is * shared between all functions, and will be cleared during a reset. - * Check again to avoid a redundant 2nd reset. If the fatal erros was + * Check again to avoid a redundant 2nd reset. If the fatal errors was * PCI related a reset won't help. */ fatal_error = mlx5_health_check_fatal_sensors(dev); @@ -213,10 +213,6 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev, bool force) mutex_lock(&dev->intf_state_mutex); if (!err_detected && dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) goto unlock;/* a previous error is still being handled */ - if (dev->state == MLX5_DEVICE_STATE_UNINITIALIZED) { - dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; - goto unlock; - } enter_error_state(dev, force); unlock: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c index ce696d523493..ffac8a0e7a23 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/clock.c @@ -749,7 +749,7 @@ static int mlx5_pps_event(struct notifier_block *nb, } else { ptp_event.type = PTP_CLOCK_EXTTS; } - /* TODOL clock->ptp can be NULL if ptp_clock_register failes */ + /* TODOL clock->ptp can be NULL if ptp_clock_register fails */ ptp_clock_event(clock->ptp, &ptp_event); break; case PTP_PF_PEROUT: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c index 38084400ee8f..e3b0a131c3e1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/vxlan.c @@ -40,7 +40,7 @@ struct mlx5_vxlan { struct mlx5_core_dev *mdev; - /* max_num_ports is usuallly 4, 16 buckets is more than enough */ + /* max_num_ports is usually 4, 16 buckets is more than enough */ DECLARE_HASHTABLE(htable, 4); struct mutex sync_lock; /* sync add/del port HW operations */ }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 6fe560307c05..6df4b940473b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -389,11 +389,11 @@ static int mlx5_core_get_caps_mode(struct mlx5_core_dev *dev, switch (cap_mode) { case HCA_CAP_OPMOD_GET_MAX: - memcpy(dev->caps.hca_max[cap_type], hca_caps, + memcpy(dev->caps.hca[cap_type]->max, hca_caps, MLX5_UN_SZ_BYTES(hca_cap_union)); break; case HCA_CAP_OPMOD_GET_CUR: - memcpy(dev->caps.hca_cur[cap_type], hca_caps, + memcpy(dev->caps.hca[cap_type]->cur, hca_caps, MLX5_UN_SZ_BYTES(hca_cap_union)); break; default: @@ -469,7 +469,7 @@ static int handle_hca_cap_odp(struct mlx5_core_dev *dev, void *set_ctx) return err; set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); - memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_ODP], + memcpy(set_hca_cap, dev->caps.hca[MLX5_CAP_ODP]->cur, MLX5_ST_SZ_BYTES(odp_cap)); #define ODP_CAP_SET_MAX(dev, field) \ @@ -514,7 +514,7 @@ static int handle_hca_cap(struct mlx5_core_dev *dev, void *set_ctx) set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); - memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_GENERAL], + memcpy(set_hca_cap, dev->caps.hca[MLX5_CAP_GENERAL]->cur, MLX5_ST_SZ_BYTES(cmd_hca_cap)); mlx5_core_dbg(dev, "Current Pkey table size %d Setting new size %d\n", @@ -596,7 +596,7 @@ static int handle_hca_cap_roce(struct mlx5_core_dev *dev, void *set_ctx) return 0; set_hca_cap = MLX5_ADDR_OF(set_hca_cap_in, set_ctx, capability); - memcpy(set_hca_cap, dev->caps.hca_cur[MLX5_CAP_ROCE], + memcpy(set_hca_cap, dev->caps.hca[MLX5_CAP_ROCE]->cur, MLX5_ST_SZ_BYTES(roce_cap)); MLX5_SET(roce_cap, set_hca_cap, sw_r_roce_src_udp_port, 1); @@ -748,14 +748,12 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev) static int mlx5_pci_init(struct mlx5_core_dev *dev, struct pci_dev *pdev, const struct pci_device_id *id) { - struct mlx5_priv *priv = &dev->priv; int err = 0; mutex_init(&dev->pci_status_mutex); pci_set_drvdata(dev->pdev, dev); dev->bar_addr = pci_resource_start(pdev, 0); - priv->numa_node = dev_to_node(mlx5_core_dma_dev(dev)); err = mlx5_pci_enable_device(dev); if (err) { @@ -1249,11 +1247,6 @@ int mlx5_init_one(struct mlx5_core_dev *dev) int err = 0; mutex_lock(&dev->intf_state_mutex); - if (test_bit(MLX5_INTERFACE_STATE_UP, &dev->intf_state)) { - mlx5_core_warn(dev, "interface is up, NOP\n"); - goto out; - } - /* remove any previous indication of internal error */ dev->state = MLX5_DEVICE_STATE_UP; err = mlx5_function_setup(dev, true); @@ -1294,7 +1287,6 @@ function_teardown: mlx5_function_teardown(dev, true); err_function: dev->state = MLX5_DEVICE_STATE_INTERNAL_ERROR; -out: mutex_unlock(&dev->intf_state_mutex); return err; } @@ -1381,6 +1373,60 @@ out: mutex_unlock(&dev->intf_state_mutex); } +static const int types[] = { + MLX5_CAP_GENERAL, + MLX5_CAP_GENERAL_2, + MLX5_CAP_ETHERNET_OFFLOADS, + MLX5_CAP_IPOIB_ENHANCED_OFFLOADS, + MLX5_CAP_ODP, + MLX5_CAP_ATOMIC, + MLX5_CAP_ROCE, + MLX5_CAP_IPOIB_OFFLOADS, + MLX5_CAP_FLOW_TABLE, + MLX5_CAP_ESWITCH_FLOW_TABLE, + MLX5_CAP_ESWITCH, + MLX5_CAP_VECTOR_CALC, + MLX5_CAP_QOS, + MLX5_CAP_DEBUG, + MLX5_CAP_DEV_MEM, + MLX5_CAP_DEV_EVENT, + MLX5_CAP_TLS, + MLX5_CAP_VDPA_EMULATION, + MLX5_CAP_IPSEC, +}; + +static void mlx5_hca_caps_free(struct mlx5_core_dev *dev) +{ + int type; + int i; + + for (i = 0; i < ARRAY_SIZE(types); i++) { + type = types[i]; + kfree(dev->caps.hca[type]); + } +} + +static int mlx5_hca_caps_alloc(struct mlx5_core_dev *dev) +{ + struct mlx5_hca_cap *cap; + int type; + int i; + + for (i = 0; i < ARRAY_SIZE(types); i++) { + cap = kzalloc(sizeof(*cap), GFP_KERNEL); + if (!cap) + goto err; + type = types[i]; + dev->caps.hca[type] = cap; + } + + return 0; + +err: + mlx5_hca_caps_free(dev); + return -ENOMEM; +} + int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) { struct mlx5_priv *priv = &dev->priv; @@ -1400,6 +1446,7 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) mutex_init(&priv->pgdir_mutex); INIT_LIST_HEAD(&priv->pgdir_list); + priv->numa_node = dev_to_node(mlx5_core_dma_dev(dev)); priv->dbg_root = debugfs_create_dir(dev_name(dev->device), mlx5_debugfs_root); INIT_LIST_HEAD(&priv->traps); @@ -1416,8 +1463,14 @@ int mlx5_mdev_init(struct mlx5_core_dev *dev, int profile_idx) if (err) goto err_adev_init; + err = mlx5_hca_caps_alloc(dev); + if (err) + goto err_hca_caps; + return 0; +err_hca_caps: + mlx5_adev_cleanup(dev); err_adev_init: mlx5_pagealloc_cleanup(dev); err_pagealloc_init: @@ -1436,6 +1489,7 @@ void mlx5_mdev_uninit(struct mlx5_core_dev *dev) { struct mlx5_priv *priv = &dev->priv; + mlx5_hca_caps_free(dev); mlx5_adev_cleanup(dev); mlx5_pagealloc_cleanup(dev); mlx5_health_cleanup(dev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c index b25f764daa08..60bfcad1873c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/pci_irq.c @@ -18,7 +18,7 @@ #define MLX5_SFS_PER_CTRL_IRQ 64 #define MLX5_IRQ_CTRL_SF_MAX 8 -/* min num of vectores for SFs to be enabled */ +/* min num of vectors for SFs to be enabled */ #define MLX5_IRQ_VEC_COMP_BASE_SF 2 #define MLX5_EQ_SHARE_IRQ_MAX_COMP (8) @@ -28,13 +28,13 @@ #define MLX5_EQ_REFS_PER_IRQ (2) struct mlx5_irq { - u32 index; struct atomic_notifier_head nh; cpumask_var_t mask; char name[MLX5_MAX_IRQ_NAME]; - struct kref kref; - int irqn; struct mlx5_irq_pool *pool; + int refcount; + u32 index; + int irqn; }; struct mlx5_irq_pool { @@ -138,9 +138,8 @@ out: return ret; } -static void irq_release(struct kref *kref) +static void irq_release(struct mlx5_irq *irq) { - struct mlx5_irq *irq = container_of(kref, struct mlx5_irq, kref); struct mlx5_irq_pool *pool = irq->pool; xa_erase(&pool->irqs, irq->index); @@ -159,10 +158,31 @@ static void irq_put(struct mlx5_irq *irq) struct mlx5_irq_pool *pool = irq->pool; mutex_lock(&pool->lock); - kref_put(&irq->kref, irq_release); + irq->refcount--; + if (!irq->refcount) + irq_release(irq); mutex_unlock(&pool->lock); } +static int irq_get_locked(struct mlx5_irq *irq) +{ + lockdep_assert_held(&irq->pool->lock); + if (WARN_ON_ONCE(!irq->refcount)) + return 0; + irq->refcount++; + return 1; +} + +static int irq_get(struct mlx5_irq *irq) +{ + int err; + + mutex_lock(&irq->pool->lock); + err = irq_get_locked(irq); + mutex_unlock(&irq->pool->lock); + return err; +} + static irqreturn_t irq_int_handler(int irq, void *nh) { atomic_notifier_call_chain(nh, 0, NULL); @@ -214,7 +234,7 @@ static struct mlx5_irq *irq_request(struct mlx5_irq_pool *pool, int i) err = -ENOMEM; goto err_cpumask; } - kref_init(&irq->kref); + irq->refcount = 1; irq->index = i; err = xa_err(xa_store(&pool->irqs, irq->index, irq, GFP_KERNEL)); if (err) { @@ -235,18 +255,18 @@ err_req_irq: int mlx5_irq_attach_nb(struct mlx5_irq *irq, struct notifier_block *nb) { - int err; + int ret; - err = kref_get_unless_zero(&irq->kref); - if (WARN_ON_ONCE(!err)) + ret = irq_get(irq); + if (!ret) /* Something very bad happens here, we are enabling EQ * on non-existing IRQ. */ return -ENOENT; - err = atomic_notifier_chain_register(&irq->nh, nb); - if (err) + ret = atomic_notifier_chain_register(&irq->nh, nb); + if (ret) irq_put(irq); - return err; + return ret; } int mlx5_irq_detach_nb(struct mlx5_irq *irq, struct notifier_block *nb) @@ -301,10 +321,9 @@ static struct mlx5_irq *irq_pool_find_least_loaded(struct mlx5_irq_pool *pool, xa_for_each_range(&pool->irqs, index, iter, start, end) { if (!cpumask_equal(iter->mask, affinity)) continue; - if (kref_read(&iter->kref) < pool->min_threshold) + if (iter->refcount < pool->min_threshold) return iter; - if (!irq || kref_read(&iter->kref) < - kref_read(&irq->kref)) + if (!irq || iter->refcount < irq->refcount) irq = iter; } return irq; @@ -319,7 +338,7 @@ static struct mlx5_irq *irq_pool_request_affinity(struct mlx5_irq_pool *pool, mutex_lock(&pool->lock); least_loaded_irq = irq_pool_find_least_loaded(pool, affinity); if (least_loaded_irq && - kref_read(&least_loaded_irq->kref) < pool->min_threshold) + least_loaded_irq->refcount < pool->min_threshold) goto out; new_irq = irq_pool_create_irq(pool, affinity); if (IS_ERR(new_irq)) { @@ -337,11 +356,11 @@ static struct mlx5_irq *irq_pool_request_affinity(struct mlx5_irq_pool *pool, least_loaded_irq = new_irq; goto unlock; out: - kref_get(&least_loaded_irq->kref); - if (kref_read(&least_loaded_irq->kref) > pool->max_threshold) + irq_get_locked(least_loaded_irq); + if (least_loaded_irq->refcount > pool->max_threshold) mlx5_core_dbg(pool->dev, "IRQ %u overloaded, pool_name: %s, %u EQs on this irq\n", least_loaded_irq->irqn, pool->name, - kref_read(&least_loaded_irq->kref) / MLX5_EQ_REFS_PER_IRQ); + least_loaded_irq->refcount / MLX5_EQ_REFS_PER_IRQ); unlock: mutex_unlock(&pool->lock); return least_loaded_irq; @@ -357,7 +376,7 @@ irq_pool_request_vector(struct mlx5_irq_pool *pool, int vecidx, mutex_lock(&pool->lock); irq = xa_load(&pool->irqs, vecidx); if (irq) { - kref_get(&irq->kref); + irq_get_locked(irq); goto unlock; } irq = irq_request(pool, vecidx); @@ -424,7 +443,7 @@ out: return irq; mlx5_core_dbg(dev, "irq %u mapped to cpu %*pbl, %u EQs on this irq\n", irq->irqn, cpumask_pr_args(affinity), - kref_read(&irq->kref) / MLX5_EQ_REFS_PER_IRQ); + irq->refcount / MLX5_EQ_REFS_PER_IRQ); return irq; } @@ -456,8 +475,12 @@ static void irq_pool_free(struct mlx5_irq_pool *pool) struct mlx5_irq *irq; unsigned long index; + /* There are cases in which we are destrying the irq_table before + * freeing all the IRQs, fast teardown for example. Hence, free the irqs + * which might not have been freed. + */ xa_for_each(&pool->irqs, index, irq) - irq_release(&irq->kref); + irq_release(irq); xa_destroy(&pool->irqs); kvfree(pool); } @@ -479,7 +502,7 @@ static int irq_pools_init(struct mlx5_core_dev *dev, int sf_vec, int pf_vec) if (!mlx5_sf_max_functions(dev)) return 0; if (sf_vec < MLX5_IRQ_VEC_COMP_BASE_SF) { - mlx5_core_err(dev, "Not enough IRQs for SFs. SF may run at lower performance\n"); + mlx5_core_dbg(dev, "Not enught IRQs for SFs. SF may run at lower performance\n"); return 0; } @@ -597,7 +620,7 @@ void mlx5_irq_table_destroy(struct mlx5_core_dev *dev) return; /* There are cases where IRQs still will be in used when we reaching - * to here. Hence, making sure all the irqs are realeased. + * to here. Hence, making sure all the irqs are released. */ irq_pools_destroy(table); pci_free_irq_vectors(dev->pdev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/dev.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/dev.c index fa0288afc0dd..871c2fbe18d3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/dev.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/dev.c @@ -39,7 +39,7 @@ static ssize_t sfnum_show(struct device *dev, struct device_attribute *attr, cha struct auxiliary_device *adev = container_of(dev, struct auxiliary_device, dev); struct mlx5_sf_dev *sf_dev = container_of(adev, struct mlx5_sf_dev, adev); - return scnprintf(buf, PAGE_SIZE, "%u\n", sf_dev->sfnum); + return sysfs_emit(buf, "%u\n", sf_dev->sfnum); } static DEVICE_ATTR_RO(sfnum); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/devlink.c index 720195c4be7c..13891fdc607e 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/sf/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/devlink.c @@ -476,7 +476,7 @@ static void mlx5_sf_table_disable(struct mlx5_sf_table *table) return; /* Balances with refcount_set; drop the reference so that new user cmd cannot start - * and new vhca event handler cannnot run. + * and new vhca event handler cannot run. */ mlx5_sf_table_put(table); wait_for_completion(&table->disable_complete); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 0025913505ab..66eaf0aa7f69 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1038,7 +1038,7 @@ enum { struct mlx5_mkey_seg { /* This is a two bit field occupying bits 31-30. * bit 31 is always 0, - * bit 30 is zero for regular MRs and 1 (e.g free) for UMRs that do not have tanslation + * bit 30 is zero for regular MRs and 1 (e.g free) for UMRs that do not have translation */ u8 status; u8 pcie_control; @@ -1157,6 +1157,9 @@ enum mlx5_cap_mode { HCA_CAP_OPMOD_GET_CUR = 1, }; +/* Any new cap addition must update mlx5_hca_caps_alloc() to allocate + * capability memory. + */ enum mlx5_cap_type { MLX5_CAP_GENERAL = 0, MLX5_CAP_ETHERNET_OFFLOADS, @@ -1213,55 +1216,55 @@ enum mlx5_qcam_feature_groups { /* GET Dev Caps macros */ #define MLX5_CAP_GEN(mdev, cap) \ - MLX5_GET(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) + MLX5_GET(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->cur, cap) #define MLX5_CAP_GEN_64(mdev, cap) \ - MLX5_GET64(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) + MLX5_GET64(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->cur, cap) #define MLX5_CAP_GEN_MAX(mdev, cap) \ - MLX5_GET(cmd_hca_cap, mdev->caps.hca_max[MLX5_CAP_GENERAL], cap) + MLX5_GET(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->max, cap) #define MLX5_CAP_GEN_2(mdev, cap) \ - MLX5_GET(cmd_hca_cap_2, mdev->caps.hca_cur[MLX5_CAP_GENERAL_2], cap) + MLX5_GET(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->cur, cap) #define MLX5_CAP_GEN_2_64(mdev, cap) \ - MLX5_GET64(cmd_hca_cap_2, mdev->caps.hca_cur[MLX5_CAP_GENERAL_2], cap) + MLX5_GET64(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->cur, cap) #define MLX5_CAP_GEN_2_MAX(mdev, cap) \ - MLX5_GET(cmd_hca_cap_2, mdev->caps.hca_max[MLX5_CAP_GENERAL_2], cap) + MLX5_GET(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->max, cap) #define MLX5_CAP_ETH(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_cur[MLX5_CAP_ETHERNET_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_ETHERNET_OFFLOADS]->cur, cap) #define MLX5_CAP_ETH_MAX(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_max[MLX5_CAP_ETHERNET_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_ETHERNET_OFFLOADS]->max, cap) #define MLX5_CAP_IPOIB_ENHANCED(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_cur[MLX5_CAP_IPOIB_ENHANCED_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_IPOIB_ENHANCED_OFFLOADS]->cur, cap) #define MLX5_CAP_ROCE(mdev, cap) \ - MLX5_GET(roce_cap, mdev->caps.hca_cur[MLX5_CAP_ROCE], cap) + MLX5_GET(roce_cap, mdev->caps.hca[MLX5_CAP_ROCE]->cur, cap) #define MLX5_CAP_ROCE_MAX(mdev, cap) \ - MLX5_GET(roce_cap, mdev->caps.hca_max[MLX5_CAP_ROCE], cap) + MLX5_GET(roce_cap, mdev->caps.hca[MLX5_CAP_ROCE]->max, cap) #define MLX5_CAP_ATOMIC(mdev, cap) \ - MLX5_GET(atomic_caps, mdev->caps.hca_cur[MLX5_CAP_ATOMIC], cap) + MLX5_GET(atomic_caps, mdev->caps.hca[MLX5_CAP_ATOMIC]->cur, cap) #define MLX5_CAP_ATOMIC_MAX(mdev, cap) \ - MLX5_GET(atomic_caps, mdev->caps.hca_max[MLX5_CAP_ATOMIC], cap) + MLX5_GET(atomic_caps, mdev->caps.hca[MLX5_CAP_ATOMIC]->max, cap) #define MLX5_CAP_FLOWTABLE(mdev, cap) \ - MLX5_GET(flow_table_nic_cap, mdev->caps.hca_cur[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET(flow_table_nic_cap, mdev->caps.hca[MLX5_CAP_FLOW_TABLE]->cur, cap) #define MLX5_CAP64_FLOWTABLE(mdev, cap) \ - MLX5_GET64(flow_table_nic_cap, (mdev)->caps.hca_cur[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET64(flow_table_nic_cap, (mdev)->caps.hca[MLX5_CAP_FLOW_TABLE]->cur, cap) #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \ - MLX5_GET(flow_table_nic_cap, mdev->caps.hca_max[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET(flow_table_nic_cap, mdev->caps.hca[MLX5_CAP_FLOW_TABLE]->max, cap) #define MLX5_CAP_FLOWTABLE_NIC_RX(mdev, cap) \ MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.cap) @@ -1301,11 +1304,11 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \ MLX5_GET(flow_table_eswitch_cap, \ - mdev->caps.hca_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->cur, cap) #define MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, cap) \ MLX5_GET(flow_table_eswitch_cap, \ - mdev->caps.hca_max[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->max, cap) #define MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) \ MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_nic_esw_fdb.cap) @@ -1327,31 +1330,31 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_ESW(mdev, cap) \ MLX5_GET(e_switch_cap, \ - mdev->caps.hca_cur[MLX5_CAP_ESWITCH], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH]->cur, cap) #define MLX5_CAP64_ESW_FLOWTABLE(mdev, cap) \ MLX5_GET64(flow_table_eswitch_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + (mdev)->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->cur, cap) #define MLX5_CAP_ESW_MAX(mdev, cap) \ MLX5_GET(e_switch_cap, \ - mdev->caps.hca_max[MLX5_CAP_ESWITCH], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH]->max, cap) #define MLX5_CAP_ODP(mdev, cap)\ - MLX5_GET(odp_cap, mdev->caps.hca_cur[MLX5_CAP_ODP], cap) + MLX5_GET(odp_cap, mdev->caps.hca[MLX5_CAP_ODP]->cur, cap) #define MLX5_CAP_ODP_MAX(mdev, cap)\ - MLX5_GET(odp_cap, mdev->caps.hca_max[MLX5_CAP_ODP], cap) + MLX5_GET(odp_cap, mdev->caps.hca[MLX5_CAP_ODP]->max, cap) #define MLX5_CAP_VECTOR_CALC(mdev, cap) \ MLX5_GET(vector_calc_cap, \ - mdev->caps.hca_cur[MLX5_CAP_VECTOR_CALC], cap) + mdev->caps.hca[MLX5_CAP_VECTOR_CALC]->cur, cap) #define MLX5_CAP_QOS(mdev, cap)\ - MLX5_GET(qos_cap, mdev->caps.hca_cur[MLX5_CAP_QOS], cap) + MLX5_GET(qos_cap, mdev->caps.hca[MLX5_CAP_QOS]->cur, cap) #define MLX5_CAP_DEBUG(mdev, cap)\ - MLX5_GET(debug_cap, mdev->caps.hca_cur[MLX5_CAP_DEBUG], cap) + MLX5_GET(debug_cap, mdev->caps.hca[MLX5_CAP_DEBUG]->cur, cap) #define MLX5_CAP_PCAM_FEATURE(mdev, fld) \ MLX5_GET(pcam_reg, (mdev)->caps.pcam, feature_cap_mask.enhanced_features.fld) @@ -1387,27 +1390,27 @@ enum mlx5_qcam_feature_groups { MLX5_GET64(fpga_cap, (mdev)->caps.fpga, cap) #define MLX5_CAP_DEV_MEM(mdev, cap)\ - MLX5_GET(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + MLX5_GET(device_mem_cap, mdev->caps.hca[MLX5_CAP_DEV_MEM]->cur, cap) #define MLX5_CAP64_DEV_MEM(mdev, cap)\ - MLX5_GET64(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + MLX5_GET64(device_mem_cap, mdev->caps.hca[MLX5_CAP_DEV_MEM]->cur, cap) #define MLX5_CAP_TLS(mdev, cap) \ - MLX5_GET(tls_cap, (mdev)->caps.hca_cur[MLX5_CAP_TLS], cap) + MLX5_GET(tls_cap, (mdev)->caps.hca[MLX5_CAP_TLS]->cur, cap) #define MLX5_CAP_DEV_EVENT(mdev, cap)\ - MLX5_ADDR_OF(device_event_cap, (mdev)->caps.hca_cur[MLX5_CAP_DEV_EVENT], cap) + MLX5_ADDR_OF(device_event_cap, (mdev)->caps.hca[MLX5_CAP_DEV_EVENT]->cur, cap) #define MLX5_CAP_DEV_VDPA_EMULATION(mdev, cap)\ MLX5_GET(virtio_emulation_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap) + (mdev)->caps.hca[MLX5_CAP_VDPA_EMULATION]->cur, cap) #define MLX5_CAP64_DEV_VDPA_EMULATION(mdev, cap)\ MLX5_GET64(virtio_emulation_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap) + (mdev)->caps.hca[MLX5_CAP_VDPA_EMULATION]->cur, cap) #define MLX5_CAP_IPSEC(mdev, cap)\ - MLX5_GET(ipsec_cap, (mdev)->caps.hca_cur[MLX5_CAP_IPSEC], cap) + MLX5_GET(ipsec_cap, (mdev)->caps.hca[MLX5_CAP_IPSEC]->cur, cap) enum { MLX5_CMD_STAT_OK = 0x0, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index af4dd6e9f97f..90e5f42baa50 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -581,7 +581,7 @@ struct mlx5_priv { /* end: qp staff */ /* start: alloc staff */ - /* protect buffer alocation according to numa node */ + /* protect buffer allocation according to numa node */ struct mutex alloc_mutex; int numa_node; @@ -623,8 +623,7 @@ struct mlx5_priv { }; enum mlx5_device_state { - MLX5_DEVICE_STATE_UNINITIALIZED, - MLX5_DEVICE_STATE_UP, + MLX5_DEVICE_STATE_UP = 1, MLX5_DEVICE_STATE_INTERNAL_ERROR, }; @@ -730,6 +729,11 @@ struct mlx5_profile { } mr_cache[MAX_MR_CACHE_ENTRIES]; }; +struct mlx5_hca_cap { + u32 cur[MLX5_UN_SZ_DW(hca_cap_union)]; + u32 max[MLX5_UN_SZ_DW(hca_cap_union)]; +}; + struct mlx5_core_dev { struct device *device; enum mlx5_coredev_type coredev_type; @@ -741,8 +745,7 @@ struct mlx5_core_dev { char board_id[MLX5_BOARD_ID_LEN]; struct mlx5_cmd cmd; struct { - u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; - u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; + struct mlx5_hca_cap *hca[MLX5_CAP_NUM]; u32 pcam[MLX5_ST_SZ_DW(pcam_reg)]; u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)]; u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; @@ -1111,7 +1114,7 @@ static inline u8 mlx5_mkey_variant(u32 mkey) } /* Async-atomic event notifier used by mlx5 core to forward FW - * evetns recived from event queue to mlx5 consumers. + * evetns received from event queue to mlx5 consumers. * Optimise event queue dipatching. */ int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); |