| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Eli Cohen | 13868 | 48.15% | 1 | 0.94% |
| Jack Morgenstein | 7914 | 27.48% | 27 | 25.47% |
| Hadar Hen Zion | 2089 | 7.25% | 12 | 11.32% |
| Matan Barak | 1374 | 4.77% | 9 | 8.49% |
| Moni Shoua | 969 | 3.36% | 2 | 1.89% |
| Eran Ben Elisha | 944 | 3.28% | 5 | 4.72% |
| Rony Efraim | 692 | 2.40% | 5 | 4.72% |
| Shani Michaelli | 210 | 0.73% | 2 | 1.89% |
| Eugenia Emantayev | 152 | 0.53% | 5 | 4.72% |
| Moshe Shemesh | 132 | 0.46% | 2 | 1.89% |
| Or Gerlitz | 86 | 0.30% | 6 | 5.66% |
| Maor Gottlieb | 71 | 0.25% | 2 | 1.89% |
| Ido Shamay | 64 | 0.22% | 2 | 1.89% |
| Yishai Hadas | 49 | 0.17% | 3 | 2.83% |
| Stephen Hemminger | 38 | 0.13% | 1 | 0.94% |
| Paul Bolle | 33 | 0.11% | 2 | 1.89% |
| Joe Perches | 21 | 0.07% | 2 | 1.89% |
| Marcel Apfelbaum | 21 | 0.07% | 2 | 1.89% |
| Arnd Bergmann | 14 | 0.05% | 2 | 1.89% |
| Saeed Mahameed | 14 | 0.05% | 1 | 0.94% |
| Kees Cook | 10 | 0.03% | 2 | 1.89% |
| Andrzej Hajda | 8 | 0.03% | 1 | 0.94% |
| Björn Helgaas | 8 | 0.03% | 1 | 0.94% |
| Amir Vadai | 5 | 0.02% | 2 | 1.89% |
| Ding Tianhong | 5 | 0.02% | 1 | 0.94% |
| Tariq Toukan | 4 | 0.01% | 2 | 1.89% |
| Axel Lin | 3 | 0.01% | 1 | 0.94% |
| Yevgeny Petrilin | 2 | 0.01% | 1 | 0.94% |
| Greg Thelen | 2 | 0.01% | 1 | 0.94% |
| Geliang Tang | 2 | 0.01% | 1 | 0.94% |
| Total | 28804 | 106 |
/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * 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/sched.h> #include <linux/pci.h> #include <linux/errno.h> #include <linux/kernel.h> #include <linux/io.h> #include <linux/slab.h> #include <linux/mlx4/cmd.h> #include <linux/mlx4/qp.h> #include <linux/if_ether.h> #include <linux/etherdevice.h> #include "mlx4.h" #include "fw.h" #include "mlx4_stats.h" #define MLX4_MAC_VALID (1ull << 63) #define MLX4_PF_COUNTERS_PER_PORT 2 #define MLX4_VF_COUNTERS_PER_PORT 1 struct mac_res { struct list_head list; u64 mac; int ref_count; u8 smac_index; u8 port; }; struct vlan_res { struct list_head list; u16 vlan; int ref_count; int vlan_index; u8 port; }; struct res_common { struct list_head list; struct rb_node node; u64 res_id; int owner; int state; int from_state; int to_state; int removing; const char *func_name; }; enum { RES_ANY_BUSY = 1 }; struct res_gid { struct list_head list; u8 gid[16]; enum mlx4_protocol prot; enum mlx4_steer_type steer; u64 reg_id; }; enum res_qp_states { RES_QP_BUSY = RES_ANY_BUSY, /* QP number was allocated */ RES_QP_RESERVED, /* ICM memory for QP context was mapped */ RES_QP_MAPPED, /* QP is in hw ownership */ RES_QP_HW }; struct res_qp { struct res_common com; struct res_mtt *mtt; struct res_cq *rcq; struct res_cq *scq; struct res_srq *srq; struct list_head mcg_list; spinlock_t mcg_spl; int local_qpn; atomic_t ref_count; u32 qpc_flags; /* saved qp params before VST enforcement in order to restore on VGT */ u8 sched_queue; __be32 param3; u8 vlan_control; u8 fvl_rx; u8 pri_path_fl; u8 vlan_index; u8 feup; }; enum res_mtt_states { RES_MTT_BUSY = RES_ANY_BUSY, RES_MTT_ALLOCATED, }; static inline const char *mtt_states_str(enum res_mtt_states state) { switch (state) { case RES_MTT_BUSY: return "RES_MTT_BUSY"; case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; default: return "Unknown"; } } struct res_mtt { struct res_common com; int order; atomic_t ref_count; }; enum res_mpt_states { RES_MPT_BUSY = RES_ANY_BUSY, RES_MPT_RESERVED, RES_MPT_MAPPED, RES_MPT_HW, }; struct res_mpt { struct res_common com; struct res_mtt *mtt; int key; }; enum res_eq_states { RES_EQ_BUSY = RES_ANY_BUSY, RES_EQ_RESERVED, RES_EQ_HW, }; struct res_eq { struct res_common com; struct res_mtt *mtt; }; enum res_cq_states { RES_CQ_BUSY = RES_ANY_BUSY, RES_CQ_ALLOCATED, RES_CQ_HW, }; struct res_cq { struct res_common com; struct res_mtt *mtt; atomic_t ref_count; }; enum res_srq_states { RES_SRQ_BUSY = RES_ANY_BUSY, RES_SRQ_ALLOCATED, RES_SRQ_HW, }; struct res_srq { struct res_common com; struct res_mtt *mtt; struct res_cq *cq; atomic_t ref_count; }; enum res_counter_states { RES_COUNTER_BUSY = RES_ANY_BUSY, RES_COUNTER_ALLOCATED, }; struct res_counter { struct res_common com; int port; }; enum res_xrcdn_states { RES_XRCD_BUSY = RES_ANY_BUSY, RES_XRCD_ALLOCATED, }; struct res_xrcdn { struct res_common com; int port; }; enum res_fs_rule_states { RES_FS_RULE_BUSY = RES_ANY_BUSY, RES_FS_RULE_ALLOCATED, }; struct res_fs_rule { struct res_common com; int qpn; /* VF DMFS mbox with port flipped */ void *mirr_mbox; /* > 0 --> apply mirror when getting into HA mode */ /* = 0 --> un-apply mirror when getting out of HA mode */ u32 mirr_mbox_size; struct list_head mirr_list; u64 mirr_rule_id; }; static void *res_tracker_lookup(struct rb_root *root, u64 res_id) { struct rb_node *node = root->rb_node; while (node) { struct res_common *res = rb_entry(node, struct res_common, node); if (res_id < res->res_id) node = node->rb_left; else if (res_id > res->res_id) node = node->rb_right; else return res; } return NULL; } static int res_tracker_insert(struct rb_root *root, struct res_common *res) { struct rb_node **new = &(root->rb_node), *parent = NULL; /* Figure out where to put new node */ while (*new) { struct res_common *this = rb_entry(*new, struct res_common, node); parent = *new; if (res->res_id < this->res_id) new = &((*new)->rb_left); else if (res->res_id > this->res_id) new = &((*new)->rb_right); else return -EEXIST; } /* Add new node and rebalance tree. */ rb_link_node(&res->node, parent, new); rb_insert_color(&res->node, root); return 0; } enum qp_transition { QP_TRANS_INIT2RTR, QP_TRANS_RTR2RTS, QP_TRANS_RTS2RTS, QP_TRANS_SQERR2RTS, QP_TRANS_SQD2SQD, QP_TRANS_SQD2RTS }; /* For Debug uses */ static const char *resource_str(enum mlx4_resource rt) { switch (rt) { case RES_QP: return "RES_QP"; case RES_CQ: return "RES_CQ"; case RES_SRQ: return "RES_SRQ"; case RES_MPT: return "RES_MPT"; case RES_MTT: return "RES_MTT"; case RES_MAC: return "RES_MAC"; case RES_VLAN: return "RES_VLAN"; case RES_EQ: return "RES_EQ"; case RES_COUNTER: return "RES_COUNTER"; case RES_FS_RULE: return "RES_FS_RULE"; case RES_XRCD: return "RES_XRCD"; default: return "Unknown resource type !!!"; }; } static void rem_slave_vlans(struct mlx4_dev *dev, int slave); static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave, enum mlx4_resource res_type, int count, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct resource_allocator *res_alloc = &priv->mfunc.master.res_tracker.res_alloc[res_type]; int err = -EDQUOT; int allocated, free, reserved, guaranteed, from_free; int from_rsvd; if (slave > dev->persist->num_vfs) return -EINVAL; spin_lock(&res_alloc->alloc_lock); allocated = (port > 0) ? res_alloc->allocated[(port - 1) * (dev->persist->num_vfs + 1) + slave] : res_alloc->allocated[slave]; free = (port > 0) ? res_alloc->res_port_free[port - 1] : res_alloc->res_free; reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] : res_alloc->res_reserved; guaranteed = res_alloc->guaranteed[slave]; if (allocated + count > res_alloc->quota[slave]) { mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n", slave, port, resource_str(res_type), count, allocated, res_alloc->quota[slave]); goto out; } if (allocated + count <= guaranteed) { err = 0; from_rsvd = count; } else { /* portion may need to be obtained from free area */ if (guaranteed - allocated > 0) from_free = count - (guaranteed - allocated); else from_free = count; from_rsvd = count - from_free; if (free - from_free >= reserved) err = 0; else mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n", slave, port, resource_str(res_type), free, from_free, reserved); } if (!err) { /* grant the request */ if (port > 0) { res_alloc->allocated[(port - 1) * (dev->persist->num_vfs + 1) + slave] += count; res_alloc->res_port_free[port - 1] -= count; res_alloc->res_port_rsvd[port - 1] -= from_rsvd; } else { res_alloc->allocated[slave] += count; res_alloc->res_free -= count; res_alloc->res_reserved -= from_rsvd; } } out: spin_unlock(&res_alloc->alloc_lock); return err; } static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave, enum mlx4_resource res_type, int count, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct resource_allocator *res_alloc = &priv->mfunc.master.res_tracker.res_alloc[res_type]; int allocated, guaranteed, from_rsvd; if (slave > dev->persist->num_vfs) return; spin_lock(&res_alloc->alloc_lock); allocated = (port > 0) ? res_alloc->allocated[(port - 1) * (dev->persist->num_vfs + 1) + slave] : res_alloc->allocated[slave]; guaranteed = res_alloc->guaranteed[slave]; if (allocated - count >= guaranteed) { from_rsvd = 0; } else { /* portion may need to be returned to reserved area */ if (allocated - guaranteed > 0) from_rsvd = count - (allocated - guaranteed); else from_rsvd = count; } if (port > 0) { res_alloc->allocated[(port - 1) * (dev->persist->num_vfs + 1) + slave] -= count; res_alloc->res_port_free[port - 1] += count; res_alloc->res_port_rsvd[port - 1] += from_rsvd; } else { res_alloc->allocated[slave] -= count; res_alloc->res_free += count; res_alloc->res_reserved += from_rsvd; } spin_unlock(&res_alloc->alloc_lock); return; } static inline void initialize_res_quotas(struct mlx4_dev *dev, struct resource_allocator *res_alloc, enum mlx4_resource res_type, int vf, int num_instances) { res_alloc->guaranteed[vf] = num_instances / (2 * (dev->persist->num_vfs + 1)); res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf]; if (vf == mlx4_master_func_num(dev)) { res_alloc->res_free = num_instances; if (res_type == RES_MTT) { /* reserved mtts will be taken out of the PF allocation */ res_alloc->res_free += dev->caps.reserved_mtts; res_alloc->guaranteed[vf] += dev->caps.reserved_mtts; res_alloc->quota[vf] += dev->caps.reserved_mtts; } } } void mlx4_init_quotas(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); int pf; /* quotas for VFs are initialized in mlx4_slave_cap */ if (mlx4_is_slave(dev)) return; if (!mlx4_is_mfunc(dev)) { dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps - mlx4_num_reserved_sqps(dev); dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs; dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs; dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts; dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws; return; } pf = mlx4_master_func_num(dev); dev->quotas.qp = priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf]; dev->quotas.cq = priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf]; dev->quotas.srq = priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf]; dev->quotas.mtt = priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf]; dev->quotas.mpt = priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; } static int get_max_gauranteed_vfs_counter(struct mlx4_dev *dev) { /* reduce the sink counter */ return (dev->caps.max_counters - 1 - (MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS)) / MLX4_MAX_PORTS; } int mlx4_init_resource_tracker(struct mlx4_dev *dev) { struct mlx4_priv *priv = mlx4_priv(dev); int i, j; int t; int max_vfs_guarantee_counter = get_max_gauranteed_vfs_counter(dev); priv->mfunc.master.res_tracker.slave_list = kcalloc(dev->num_slaves, sizeof(struct slave_list), GFP_KERNEL); if (!priv->mfunc.master.res_tracker.slave_list) return -ENOMEM; for (i = 0 ; i < dev->num_slaves; i++) { for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. slave_list[i].res_list[t]); mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); } mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", dev->num_slaves); for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { struct resource_allocator *res_alloc = &priv->mfunc.master.res_tracker.res_alloc[i]; res_alloc->quota = kmalloc_array(dev->persist->num_vfs + 1, sizeof(int), GFP_KERNEL); res_alloc->guaranteed = kmalloc_array(dev->persist->num_vfs + 1, sizeof(int), GFP_KERNEL); if (i == RES_MAC || i == RES_VLAN) res_alloc->allocated = kcalloc(MLX4_MAX_PORTS * (dev->persist->num_vfs + 1), sizeof(int), GFP_KERNEL); else res_alloc->allocated = kcalloc(dev->persist->num_vfs + 1, sizeof(int), GFP_KERNEL); /* Reduce the sink counter */ if (i == RES_COUNTER) res_alloc->res_free = dev->caps.max_counters - 1; if (!res_alloc->quota || !res_alloc->guaranteed || !res_alloc->allocated) goto no_mem_err; spin_lock_init(&res_alloc->alloc_lock); for (t = 0; t < dev->persist->num_vfs + 1; t++) { struct mlx4_active_ports actv_ports = mlx4_get_active_ports(dev, t); switch (i) { case RES_QP: initialize_res_quotas(dev, res_alloc, RES_QP, t, dev->caps.num_qps - dev->caps.reserved_qps - mlx4_num_reserved_sqps(dev)); break; case RES_CQ: initialize_res_quotas(dev, res_alloc, RES_CQ, t, dev->caps.num_cqs - dev->caps.reserved_cqs); break; case RES_SRQ: initialize_res_quotas(dev, res_alloc, RES_SRQ, t, dev->caps.num_srqs - dev->caps.reserved_srqs); break; case RES_MPT: initialize_res_quotas(dev, res_alloc, RES_MPT, t, dev->caps.num_mpts - dev->caps.reserved_mrws); break; case RES_MTT: initialize_res_quotas(dev, res_alloc, RES_MTT, t, dev->caps.num_mtts - dev->caps.reserved_mtts); break; case RES_MAC: if (t == mlx4_master_func_num(dev)) { int max_vfs_pport = 0; /* Calculate the max vfs per port for */ /* both ports. */ for (j = 0; j < dev->caps.num_ports; j++) { struct mlx4_slaves_pport slaves_pport = mlx4_phys_to_slaves_pport(dev, j + 1); unsigned current_slaves = bitmap_weight(slaves_pport.slaves, dev->caps.num_ports) - 1; if (max_vfs_pport < current_slaves) max_vfs_pport = current_slaves; } res_alloc->quota[t] = MLX4_MAX_MAC_NUM - 2 * max_vfs_pport; res_alloc->guaranteed[t] = 2; for (j = 0; j < MLX4_MAX_PORTS; j++) res_alloc->res_port_free[j] = MLX4_MAX_MAC_NUM; } else { res_alloc->quota[t] = MLX4_MAX_MAC_NUM; res_alloc->guaranteed[t] = 2; } break; case RES_VLAN: if (t == mlx4_master_func_num(dev)) { res_alloc->quota[t] = MLX4_MAX_VLAN_NUM; res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2; for (j = 0; j < MLX4_MAX_PORTS; j++) res_alloc->res_port_free[j] = res_alloc->quota[t]; } else { res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2; res_alloc->guaranteed[t] = 0; } break; case RES_COUNTER: res_alloc->quota[t] = dev->caps.max_counters; if (t == mlx4_master_func_num(dev)) res_alloc->guaranteed[t] = MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS; else if (t <= max_vfs_guarantee_counter) res_alloc->guaranteed[t] = MLX4_VF_COUNTERS_PER_PORT * MLX4_MAX_PORTS; else res_alloc->guaranteed[t] = 0; break; default: break; } if (i == RES_MAC || i == RES_VLAN) { for (j = 0; j < dev->caps.num_ports; j++) if (test_bit(j, actv_ports.ports)) res_alloc->res_port_rsvd[j] += res_alloc->guaranteed[t]; } else { res_alloc->res_reserved += res_alloc->guaranteed[t]; } } } spin_lock_init(&priv->mfunc.master.res_tracker.lock); return 0; no_mem_err: for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; } return -ENOMEM; } void mlx4_free_resource_tracker(struct mlx4_dev *dev, enum mlx4_res_tracker_free_type type) { struct mlx4_priv *priv = mlx4_priv(dev); int i; if (priv->mfunc.master.res_tracker.slave_list) { if (type != RES_TR_FREE_STRUCTS_ONLY) { for (i = 0; i < dev->num_slaves; i++) { if (type == RES_TR_FREE_ALL || dev->caps.function != i) mlx4_delete_all_resources_for_slave(dev, i); } /* free master's vlans */ i = dev->caps.function; mlx4_reset_roce_gids(dev, i); mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); rem_slave_vlans(dev, i); mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); } if (type != RES_TR_FREE_SLAVES_ONLY) { for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; } kfree(priv->mfunc.master.res_tracker.slave_list); priv->mfunc.master.res_tracker.slave_list = NULL; } } } static void update_pkey_index(struct mlx4_dev *dev, int slave, struct mlx4_cmd_mailbox *inbox) { u8 sched = *(u8 *)(inbox->buf + 64); u8 orig_index = *(u8 *)(inbox->buf + 35); u8 new_index; struct mlx4_priv *priv = mlx4_priv(dev); int port; port = (sched >> 6 & 1) + 1; new_index = priv->virt2phys_pkey[slave][port - 1][orig_index]; *(u8 *)(inbox->buf + 35) = new_index; } static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, u8 slave) { struct mlx4_qp_context *qp_ctx = inbox->buf + 8; enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf); u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; int port; if (MLX4_QP_ST_UD == ts) { port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; if (mlx4_is_eth(dev, port)) qp_ctx->pri_path.mgid_index = mlx4_get_base_gid_ix(dev, slave, port) | 0x80; else qp_ctx->pri_path.mgid_index = slave | 0x80; } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) { if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; if (mlx4_is_eth(dev, port)) { qp_ctx->pri_path.mgid_index += mlx4_get_base_gid_ix(dev, slave, port); qp_ctx->pri_path.mgid_index &= 0x7f; } else { qp_ctx->pri_path.mgid_index = slave & 0x7F; } } if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; if (mlx4_is_eth(dev, port)) { qp_ctx->alt_path.mgid_index += mlx4_get_base_gid_ix(dev, slave, port); qp_ctx->alt_path.mgid_index &= 0x7f; } else { qp_ctx->alt_path.mgid_index = slave & 0x7F; } } } } static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, u8 slave, int port); static int update_vport_qp_param(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, u8 slave, u32 qpn) { struct mlx4_qp_context *qpc = inbox->buf + 8; struct mlx4_vport_oper_state *vp_oper; struct mlx4_priv *priv; u32 qp_type; int port, err = 0; port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; priv = mlx4_priv(dev); vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff; err = handle_counter(dev, qpc, slave, port); if (err) goto out; if (MLX4_VGT != vp_oper->state.default_vlan) { /* the reserved QPs (special, proxy, tunnel) * do not operate over vlans */ if (mlx4_is_qp_reserved(dev, qpn)) return 0; /* force strip vlan by clear vsd, MLX QP refers to Raw Ethernet */ if (qp_type == MLX4_QP_ST_UD || (qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) { if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) { *(__be32 *)inbox->buf = cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) | MLX4_QP_OPTPAR_VLAN_STRIPPING); qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); } else { struct mlx4_update_qp_params params = {.flags = 0}; err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms); if (err) goto out; } } /* preserve IF_COUNTER flag */ qpc->pri_path.vlan_control &= MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER; if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE && dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) { qpc->pri_path.vlan_control |= MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; } else if (0 != vp_oper->state.default_vlan) { if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) { /* vst QinQ should block untagged on TX, * but cvlan is in payload and phv is set so * hw see it as untagged. Block tagged instead. */ qpc->pri_path.vlan_control |= MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; } else { /* vst 802.1Q */ qpc->pri_path.vlan_control |= MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; } } else { /* priority tagged */ qpc->pri_path.vlan_control |= MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; } qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN; qpc->pri_path.vlan_index = vp_oper->vlan_idx; qpc->pri_path.fl |= MLX4_FL_ETH_HIDE_CQE_VLAN; if (vp_oper->state.vlan_proto == htons(ETH_P_8021AD)) qpc->pri_path.fl |= MLX4_FL_SV; else qpc->pri_path.fl |= MLX4_FL_CV; qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; qpc->pri_path.sched_queue &= 0xC7; qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3; qpc->qos_vport = vp_oper->state.qos_vport; } if (vp_oper->state.spoofchk) { qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC; qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx; } out: return err; } static int mpt_mask(struct mlx4_dev *dev) { return dev->caps.num_mpts - 1; } static const char *mlx4_resource_type_to_str(enum mlx4_resource t) { switch (t) { case RES_QP: return "QP"; case RES_CQ: return "CQ"; case RES_SRQ: return "SRQ"; case RES_XRCD: return "XRCD"; case RES_MPT: return "MPT"; case RES_MTT: return "MTT"; case RES_MAC: return "MAC"; case RES_VLAN: return "VLAN"; case RES_COUNTER: return "COUNTER"; case RES_FS_RULE: return "FS_RULE"; case RES_EQ: return "EQ"; default: return "INVALID RESOURCE"; } } static void *find_res(struct mlx4_dev *dev, u64 res_id, enum mlx4_resource type) { struct mlx4_priv *priv = mlx4_priv(dev); return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], res_id); } static int _get_res(struct mlx4_dev *dev, int slave, u64 res_id, enum mlx4_resource type, void *res, const char *func_name) { struct res_common *r; int err = 0; spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, res_id, type); if (!r) { err = -ENONET; goto exit; } if (r->state == RES_ANY_BUSY) { mlx4_warn(dev, "%s(%d) trying to get resource %llx of type %s, but it's already taken by %s\n", func_name, slave, res_id, mlx4_resource_type_to_str(type), r->func_name); err = -EBUSY; goto exit; } if (r->owner != slave) { err = -EPERM; goto exit; } r->from_state = r->state; r->state = RES_ANY_BUSY; r->func_name = func_name; if (res) *((struct res_common **)res) = r; exit: spin_unlock_irq(mlx4_tlock(dev)); return err; } #define get_res(dev, slave, res_id, type, res) \ _get_res((dev), (slave), (res_id), (type), (res), __func__) int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, enum mlx4_resource type, u64 res_id, int *slave) { struct res_common *r; int err = -ENOENT; int id = res_id; if (type == RES_QP) id &= 0x7fffff; spin_lock(mlx4_tlock(dev)); r = find_res(dev, id, type); if (r) { *slave = r->owner; err = 0; } spin_unlock(mlx4_tlock(dev)); return err; } static void put_res(struct mlx4_dev *dev, int slave, u64 res_id, enum mlx4_resource type) { struct res_common *r; spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, res_id, type); if (r) { r->state = r->from_state; r->func_name = ""; } spin_unlock_irq(mlx4_tlock(dev)); } static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int port); static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port, int counter_index) { struct res_common *r; struct res_counter *counter; int ret = 0; if (counter_index == MLX4_SINK_COUNTER_INDEX(dev)) return ret; spin_lock_irq(mlx4_tlock(dev)); r = find_res(dev, counter_index, RES_COUNTER); if (!r || r->owner != slave) { ret = -EINVAL; } else { counter = container_of(r, struct res_counter, com); if (!counter->port) counter->port = port; } spin_unlock_irq(mlx4_tlock(dev)); return ret; } static int handle_unexisting_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, u8 slave, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_common *tmp; struct res_counter *counter; u64 counter_idx = MLX4_SINK_COUNTER_INDEX(dev); int err = 0; spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry(tmp, &tracker->slave_list[slave].res_list[RES_COUNTER], list) { counter = container_of(tmp, struct res_counter, com); if (port == counter->port) { qpc->pri_path.counter_index = counter->com.res_id; spin_unlock_irq(mlx4_tlock(dev)); return 0; } } spin_unlock_irq(mlx4_tlock(dev)); /* No existing counter, need to allocate a new counter */ err = counter_alloc_res(dev, slave, RES_OP_RESERVE, 0, 0, &counter_idx, port); if (err == -ENOENT) { err = 0; } else if (err && err != -ENOSPC) { mlx4_err(dev, "%s: failed to create new counter for slave %d err %d\n", __func__, slave, err); } else { qpc->pri_path.counter_index = counter_idx; mlx4_dbg(dev, "%s: alloc new counter for slave %d index %d\n", __func__, slave, qpc->pri_path.counter_index); err = 0; } return err; } static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, u8 slave, int port) { if (qpc->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(dev)) return handle_existing_counter(dev, slave, port, qpc->pri_path.counter_index); return handle_unexisting_counter(dev, qpc, slave, port); } static struct res_common *alloc_qp_tr(int id) { struct res_qp *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_QP_RESERVED; ret->local_qpn = id; INIT_LIST_HEAD(&ret->mcg_list); spin_lock_init(&ret->mcg_spl); atomic_set(&ret->ref_count, 0); return &ret->com; } static struct res_common *alloc_mtt_tr(int id, int order) { struct res_mtt *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->order = order; ret->com.state = RES_MTT_ALLOCATED; atomic_set(&ret->ref_count, 0); return &ret->com; } static struct res_common *alloc_mpt_tr(int id, int key) { struct res_mpt *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_MPT_RESERVED; ret->key = key; return &ret->com; } static struct res_common *alloc_eq_tr(int id) { struct res_eq *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_EQ_RESERVED; return &ret->com; } static struct res_common *alloc_cq_tr(int id) { struct res_cq *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_CQ_ALLOCATED; atomic_set(&ret->ref_count, 0); return &ret->com; } static struct res_common *alloc_srq_tr(int id) { struct res_srq *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_SRQ_ALLOCATED; atomic_set(&ret->ref_count, 0); return &ret->com; } static struct res_common *alloc_counter_tr(int id, int port) { struct res_counter *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_COUNTER_ALLOCATED; ret->port = port; return &ret->com; } static struct res_common *alloc_xrcdn_tr(int id) { struct res_xrcdn *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_XRCD_ALLOCATED; return &ret->com; } static struct res_common *alloc_fs_rule_tr(u64 id, int qpn) { struct res_fs_rule *ret; ret = kzalloc(sizeof(*ret), GFP_KERNEL); if (!ret) return NULL; ret->com.res_id = id; ret->com.state = RES_FS_RULE_ALLOCATED; ret->qpn = qpn; return &ret->com; } static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, int extra) { struct res_common *ret; switch (type) { case RES_QP: ret = alloc_qp_tr(id); break; case RES_MPT: ret = alloc_mpt_tr(id, extra); break; case RES_MTT: ret = alloc_mtt_tr(id, extra); break; case RES_EQ: ret = alloc_eq_tr(id); break; case RES_CQ: ret = alloc_cq_tr(id); break; case RES_SRQ: ret = alloc_srq_tr(id); break; case RES_MAC: pr_err("implementation missing\n"); return NULL; case RES_COUNTER: ret = alloc_counter_tr(id, extra); break; case RES_XRCD: ret = alloc_xrcdn_tr(id); break; case RES_FS_RULE: ret = alloc_fs_rule_tr(id, extra); break; default: return NULL; } if (ret) ret->owner = slave; return ret; } int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port, struct mlx4_counter *data) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_common *tmp; struct res_counter *counter; int *counters_arr; int i = 0, err = 0; memset(data, 0, sizeof(*data)); counters_arr = kmalloc_array(dev->caps.max_counters, sizeof(*counters_arr), GFP_KERNEL); if (!counters_arr) return -ENOMEM; spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry(tmp, &tracker->slave_list[slave].res_list[RES_COUNTER], list) { counter = container_of(tmp, struct res_counter, com); if (counter->port == port) { counters_arr[i] = (int)tmp->res_id; i++; } } spin_unlock_irq(mlx4_tlock(dev)); counters_arr[i] = -1; i = 0; while (counters_arr[i] != -1) { err = mlx4_get_counter_stats(dev, counters_arr[i], data, 0); if (err) { memset(data, 0, sizeof(*data)); goto table_changed; } i++; } table_changed: kfree(counters_arr); return 0; } static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, enum mlx4_resource type, int extra) { int i; int err; struct mlx4_priv *priv = mlx4_priv(dev); struct res_common **res_arr; struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct rb_root *root = &tracker->res_tree[type]; res_arr = kcalloc(count, sizeof(*res_arr), GFP_KERNEL); if (!res_arr) return -ENOMEM; for (i = 0; i < count; ++i) { res_arr[i] = alloc_tr(base + i, type, slave, extra); if (!res_arr[i]) { for (--i; i >= 0; --i) kfree(res_arr[i]); kfree(res_arr); return -ENOMEM; } } spin_lock_irq(mlx4_tlock(dev)); for (i = 0; i < count; ++i) { if (find_res(dev, base + i, type)) { err = -EEXIST; goto undo; } err = res_tracker_insert(root, res_arr[i]); if (err) goto undo; list_add_tail(&res_arr[i]->list, &tracker->slave_list[slave].res_list[type]); } spin_unlock_irq(mlx4_tlock(dev)); kfree(res_arr); return 0; undo: for (--i; i >= 0; --i) { rb_erase(&res_arr[i]->node, root); list_del_init(&res_arr[i]->list); } spin_unlock_irq(mlx4_tlock(dev)); for (i = 0; i < count; ++i) kfree(res_arr[i]); kfree(res_arr); return err; } static int remove_qp_ok(struct res_qp *res) { if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || !list_empty(&res->mcg_list)) { pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", res->com.state, atomic_read(&res->ref_count)); return -EBUSY; } else if (res->com.state != RES_QP_RESERVED) { return -EPERM; } return 0; } static int remove_mtt_ok(struct res_mtt *res, int order) { if (res->com.state == RES_MTT_BUSY || atomic_read(&res->ref_count)) { pr_devel("%s-%d: state %s, ref_count %d\n", __func__, __LINE__, mtt_states_str(res->com.state), atomic_read(&res->ref_count)); return -EBUSY; } else if (res->com.state != RES_MTT_ALLOCATED) return -EPERM; else if (res->order != order) return -EINVAL; return 0; } static int remove_mpt_ok(struct res_mpt *res) { if (res->com.state == RES_MPT_BUSY) return -EBUSY; else if (res->com.state != RES_MPT_RESERVED) return -EPERM; return 0; } static int remove_eq_ok(struct res_eq *res) { if (res->com.state == RES_MPT_BUSY) return -EBUSY; else if (res->com.state != RES_MPT_RESERVED) return -EPERM; return 0; } static int remove_counter_ok(struct res_counter *res) { if (res->com.state == RES_COUNTER_BUSY) return -EBUSY; else if (res->com.state != RES_COUNTER_ALLOCATED) return -EPERM; return 0; } static int remove_xrcdn_ok(struct res_xrcdn *res) { if (res->com.state == RES_XRCD_BUSY) return -EBUSY; else if (res->com.state != RES_XRCD_ALLOCATED) return -EPERM; return 0; } static int remove_fs_rule_ok(struct res_fs_rule *res) { if (res->com.state == RES_FS_RULE_BUSY) return -EBUSY; else if (res->com.state != RES_FS_RULE_ALLOCATED) return -EPERM; return 0; } static int remove_cq_ok(struct res_cq *res) { if (res->com.state == RES_CQ_BUSY) return -EBUSY; else if (res->com.state != RES_CQ_ALLOCATED) return -EPERM; return 0; } static int remove_srq_ok(struct res_srq *res) { if (res->com.state == RES_SRQ_BUSY) return -EBUSY; else if (res->com.state != RES_SRQ_ALLOCATED) return -EPERM; return 0; } static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) { switch (type) { case RES_QP: return remove_qp_ok((struct res_qp *)res); case RES_CQ: return remove_cq_ok((struct res_cq *)res); case RES_SRQ: return remove_srq_ok((struct res_srq *)res); case RES_MPT: return remove_mpt_ok((struct res_mpt *)res); case RES_MTT: return remove_mtt_ok((struct res_mtt *)res, extra); case RES_MAC: return -EOPNOTSUPP; case RES_EQ: return remove_eq_ok((struct res_eq *)res); case RES_COUNTER: return remove_counter_ok((struct res_counter *)res); case RES_XRCD: return remove_xrcdn_ok((struct res_xrcdn *)res); case RES_FS_RULE: return remove_fs_rule_ok((struct res_fs_rule *)res); default: return -EINVAL; } } static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, enum mlx4_resource type, int extra) { u64 i; int err; struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_common *r; spin_lock_irq(mlx4_tlock(dev)); for (i = base; i < base + count; ++i) { r = res_tracker_lookup(&tracker->res_tree[type], i); if (!r) { err = -ENOENT; goto out; } if (r->owner != slave) { err = -EPERM; goto out; } err = remove_ok(r, type, extra); if (err) goto out; } for (i = base; i < base + count; ++i) { r = res_tracker_lookup(&tracker->res_tree[type], i); rb_erase(&r->node, &tracker->res_tree[type]); list_del(&r->list); kfree(r); } err = 0; out: spin_unlock_irq(mlx4_tlock(dev)); return err; } static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, enum res_qp_states state, struct res_qp **qp, int alloc) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_qp *r; int err = 0; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); if (!r) err = -ENOENT; else if (r->com.owner != slave) err = -EPERM; else { switch (state) { case RES_QP_BUSY: mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", __func__, r->com.res_id); err = -EBUSY; break; case RES_QP_RESERVED: if (r->com.state == RES_QP_MAPPED && !alloc) break; mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); err = -EINVAL; break; case RES_QP_MAPPED: if ((r->com.state == RES_QP_RESERVED && alloc) || r->com.state == RES_QP_HW) break; else { mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); err = -EINVAL; } break; case RES_QP_HW: if (r->com.state != RES_QP_MAPPED) err = -EINVAL; break; default: err = -EINVAL; } if (!err) { r->com.from_state = r->com.state; r->com.to_state = state; r->com.state = RES_QP_BUSY; if (qp) *qp = r; } } spin_unlock_irq(mlx4_tlock(dev)); return err; } static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, enum res_mpt_states state, struct res_mpt **mpt) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_mpt *r; int err = 0; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); if (!r) err = -ENOENT; else if (r->com.owner != slave) err = -EPERM; else { switch (state) { case RES_MPT_BUSY: err = -EINVAL; break; case RES_MPT_RESERVED: if (r->com.state != RES_MPT_MAPPED) err = -EINVAL; break; case RES_MPT_MAPPED: if (r->com.state != RES_MPT_RESERVED && r->com.state != RES_MPT_HW) err = -EINVAL; break; case RES_MPT_HW: if (r->com.state != RES_MPT_MAPPED) err = -EINVAL; break; default: err = -EINVAL; } if (!err) { r->com.from_state = r->com.state; r->com.to_state = state; r->com.state = RES_MPT_BUSY; if (mpt) *mpt = r; } } spin_unlock_irq(mlx4_tlock(dev)); return err; } static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, enum res_eq_states state, struct res_eq **eq) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_eq *r; int err = 0; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); if (!r) err = -ENOENT; else if (r->com.owner != slave) err = -EPERM; else { switch (state) { case RES_EQ_BUSY: err = -EINVAL; break; case RES_EQ_RESERVED: if (r->com.state != RES_EQ_HW) err = -EINVAL; break; case RES_EQ_HW: if (r->com.state != RES_EQ_RESERVED) err = -EINVAL; break; default: err = -EINVAL; } if (!err) { r->com.from_state = r->com.state; r->com.to_state = state; r->com.state = RES_EQ_BUSY; } } spin_unlock_irq(mlx4_tlock(dev)); if (!err && eq) *eq = r; return err; } static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, enum res_cq_states state, struct res_cq **cq) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_cq *r; int err; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); if (!r) { err = -ENOENT; } else if (r->com.owner != slave) { err = -EPERM; } else if (state == RES_CQ_ALLOCATED) { if (r->com.state != RES_CQ_HW) err = -EINVAL; else if (atomic_read(&r->ref_count)) err = -EBUSY; else err = 0; } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) { err = -EINVAL; } else { err = 0; } if (!err) { r->com.from_state = r->com.state; r->com.to_state = state; r->com.state = RES_CQ_BUSY; if (cq) *cq = r; } spin_unlock_irq(mlx4_tlock(dev)); return err; } static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, enum res_srq_states state, struct res_srq **srq) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_srq *r; int err = 0; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); if (!r) { err = -ENOENT; } else if (r->com.owner != slave) { err = -EPERM; } else if (state == RES_SRQ_ALLOCATED) { if (r->com.state != RES_SRQ_HW) err = -EINVAL; else if (atomic_read(&r->ref_count)) err = -EBUSY; } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) { err = -EINVAL; } if (!err) { r->com.from_state = r->com.state; r->com.to_state = state; r->com.state = RES_SRQ_BUSY; if (srq) *srq = r; } spin_unlock_irq(mlx4_tlock(dev)); return err; } static void res_abort_move(struct mlx4_dev *dev, int slave, enum mlx4_resource type, int id) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_common *r; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[type], id); if (r && (r->owner == slave)) r->state = r->from_state; spin_unlock_irq(mlx4_tlock(dev)); } static void res_end_move(struct mlx4_dev *dev, int slave, enum mlx4_resource type, int id) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_common *r; spin_lock_irq(mlx4_tlock(dev)); r = res_tracker_lookup(&tracker->res_tree[type], id); if (r && (r->owner == slave)) r->state = r->to_state; spin_unlock_irq(mlx4_tlock(dev)); } static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) { return mlx4_is_qp_reserved(dev, qpn) && (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn)); } static int fw_reserved(struct mlx4_dev *dev, int qpn) { return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; } static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int err; int count; int align; int base; int qpn; u8 flags; switch (op) { case RES_OP_RESERVE: count = get_param_l(&in_param) & 0xffffff; /* Turn off all unsupported QP allocation flags that the * slave tries to set. */ flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask; align = get_param_h(&in_param); err = mlx4_grant_resource(dev, slave, RES_QP, count, 0); if (err) return err; err = __mlx4_qp_reserve_range(dev, count, align, &base, flags); if (err) { mlx4_release_resource(dev, slave, RES_QP, count, 0); return err; } err = add_res_range(dev, slave, base, count, RES_QP, 0); if (err) { mlx4_release_resource(dev, slave, RES_QP, count, 0); __mlx4_qp_release_range(dev, base, count); return err; } set_param_l(out_param, base); break; case RES_OP_MAP_ICM: qpn = get_param_l(&in_param) & 0x7fffff; if (valid_reserved(dev, slave, qpn)) { err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); if (err) return err; } err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, NULL, 1); if (err) return err; if (!fw_reserved(dev, qpn)) { err = __mlx4_qp_alloc_icm(dev, qpn); if (err) { res_abort_move(dev, slave, RES_QP, qpn); return err; } } res_end_move(dev, slave, RES_QP, qpn); break; default: err = -EINVAL; break; } return err; } static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int err = -EINVAL; int base; int order; if (op != RES_OP_RESERVE_AND_MAP) return err; order = get_param_l(&in_param); err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0); if (err) return err; base = __mlx4_alloc_mtt_range(dev, order); if (base == -1) { mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); return -ENOMEM; } err = add_res_range(dev, slave, base, 1, RES_MTT, order); if (err) { mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); __mlx4_free_mtt_range(dev, base, order); } else { set_param_l(out_param, base); } return err; } static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int err = -EINVAL; int index; int id; struct res_mpt *mpt; switch (op) { case RES_OP_RESERVE: err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0); if (err) break; index = __mlx4_mpt_reserve(dev); if (index == -1) { mlx4_release_resource(dev, slave, RES_MPT, 1, 0); break; } id = index & mpt_mask(dev); err = add_res_range(dev, slave, id, 1, RES_MPT, index); if (err) { mlx4_release_resource(dev, slave, RES_MPT, 1, 0); __mlx4_mpt_release(dev, index); break; } set_param_l(out_param, index); break; case RES_OP_MAP_ICM: index = get_param_l(&in_param); id = index & mpt_mask(dev); err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); if (err) return err; err = __mlx4_mpt_alloc_icm(dev, mpt->key); if (err) { res_abort_move(dev, slave, RES_MPT, id); return err; } res_end_move(dev, slave, RES_MPT, id); break; } return err; } static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int cqn; int err; switch (op) { case RES_OP_RESERVE_AND_MAP: err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0); if (err) break; err = __mlx4_cq_alloc_icm(dev, &cqn); if (err) { mlx4_release_resource(dev, slave, RES_CQ, 1, 0); break; } err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); if (err) { mlx4_release_resource(dev, slave, RES_CQ, 1, 0); __mlx4_cq_free_icm(dev, cqn); break; } set_param_l(out_param, cqn); break; default: err = -EINVAL; } return err; } static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int srqn; int err; switch (op) { case RES_OP_RESERVE_AND_MAP: err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0); if (err) break; err = __mlx4_srq_alloc_icm(dev, &srqn); if (err) { mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); break; } err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); if (err) { mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); __mlx4_srq_free_icm(dev, srqn); break; } set_param_l(out_param, srqn); break; default: err = -EINVAL; } return err; } static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port, u8 smac_index, u64 *mac) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mac_list = &tracker->slave_list[slave].res_list[RES_MAC]; struct mac_res *res, *tmp; list_for_each_entry_safe(res, tmp, mac_list, list) { if (res->smac_index == smac_index && res->port == (u8) port) { *mac = res->mac; return 0; } } return -ENOENT; } static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mac_list = &tracker->slave_list[slave].res_list[RES_MAC]; struct mac_res *res, *tmp; list_for_each_entry_safe(res, tmp, mac_list, list) { if (res->mac == mac && res->port == (u8) port) { /* mac found. update ref count */ ++res->ref_count; return 0; } } if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port)) return -EINVAL; res = kzalloc(sizeof(*res), GFP_KERNEL); if (!res) { mlx4_release_resource(dev, slave, RES_MAC, 1, port); return -ENOMEM; } res->mac = mac; res->port = (u8) port; res->smac_index = smac_index; res->ref_count = 1; list_add_tail(&res->list, &tracker->slave_list[slave].res_list[RES_MAC]); return 0; } static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mac_list = &tracker->slave_list[slave].res_list[RES_MAC]; struct mac_res *res, *tmp; list_for_each_entry_safe(res, tmp, mac_list, list) { if (res->mac == mac && res->port == (u8) port) { if (!--res->ref_count) { list_del(&res->list); mlx4_release_resource(dev, slave, RES_MAC, 1, port); kfree(res); } break; } } } static void rem_slave_macs(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mac_list = &tracker->slave_list[slave].res_list[RES_MAC]; struct mac_res *res, *tmp; int i; list_for_each_entry_safe(res, tmp, mac_list, list) { list_del(&res->list); /* dereference the mac the num times the slave referenced it */ for (i = 0; i < res->ref_count; i++) __mlx4_unregister_mac(dev, res->port, res->mac); mlx4_release_resource(dev, slave, RES_MAC, 1, res->port); kfree(res); } } static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int in_port) { int err = -EINVAL; int port; u64 mac; u8 smac_index; if (op != RES_OP_RESERVE_AND_MAP) return err; port = !in_port ? get_param_l(out_param) : in_port; port = mlx4_slave_convert_port( dev, slave, port); if (port < 0) return -EINVAL; mac = in_param; err = __mlx4_register_mac(dev, port, mac); if (err >= 0) { smac_index = err; set_param_l(out_param, err); err = 0; } if (!err) { err = mac_add_to_slave(dev, slave, mac, port, smac_index); if (err) __mlx4_unregister_mac(dev, port, mac); } return err; } static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan, int port, int vlan_index) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *vlan_list = &tracker->slave_list[slave].res_list[RES_VLAN]; struct vlan_res *res, *tmp; list_for_each_entry_safe(res, tmp, vlan_list, list) { if (res->vlan == vlan && res->port == (u8) port) { /* vlan found. update ref count */ ++res->ref_count; return 0; } } if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port)) return -EINVAL; res = kzalloc(sizeof(*res), GFP_KERNEL); if (!res) { mlx4_release_resource(dev, slave, RES_VLAN, 1, port); return -ENOMEM; } res->vlan = vlan; res->port = (u8) port; res->vlan_index = vlan_index; res->ref_count = 1; list_add_tail(&res->list, &tracker->slave_list[slave].res_list[RES_VLAN]); return 0; } static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *vlan_list = &tracker->slave_list[slave].res_list[RES_VLAN]; struct vlan_res *res, *tmp; list_for_each_entry_safe(res, tmp, vlan_list, list) { if (res->vlan == vlan && res->port == (u8) port) { if (!--res->ref_count) { list_del(&res->list); mlx4_release_resource(dev, slave, RES_VLAN, 1, port); kfree(res); } break; } } } static void rem_slave_vlans(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *vlan_list = &tracker->slave_list[slave].res_list[RES_VLAN]; struct vlan_res *res, *tmp; int i; list_for_each_entry_safe(res, tmp, vlan_list, list) { list_del(&res->list); /* dereference the vlan the num times the slave referenced it */ for (i = 0; i < res->ref_count; i++) __mlx4_unregister_vlan(dev, res->port, res->vlan); mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port); kfree(res); } } static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int in_port) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; int err; u16 vlan; int vlan_index; int port; port = !in_port ? get_param_l(out_param) : in_port; if (!port || op != RES_OP_RESERVE_AND_MAP) return -EINVAL; port = mlx4_slave_convert_port( dev, slave, port); if (port < 0) return -EINVAL; /* upstream kernels had NOP for reg/unreg vlan. Continue this. */ if (!in_port && port > 0 && port <= dev->caps.num_ports) { slave_state[slave].old_vlan_api = true; return 0; } vlan = (u16) in_param; err = __mlx4_register_vlan(dev, port, vlan, &vlan_index); if (!err) { set_param_l(out_param, (u32) vlan_index); err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index); if (err) __mlx4_unregister_vlan(dev, port, vlan); } return err; } static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int port) { u32 index; int err; if (op != RES_OP_RESERVE) return -EINVAL; err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0); if (err) return err; err = __mlx4_counter_alloc(dev, &index); if (err) { mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); return err; } err = add_res_range(dev, slave, index, 1, RES_COUNTER, port); if (err) { __mlx4_counter_free(dev, index); mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); } else { set_param_l(out_param, index); } return err; } static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { u32 xrcdn; int err; if (op != RES_OP_RESERVE) return -EINVAL; err = __mlx4_xrcd_alloc(dev, &xrcdn); if (err) return err; err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); if (err) __mlx4_xrcd_free(dev, xrcdn); else set_param_l(out_param, xrcdn); return err; } int mlx4_ALLOC_RES_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) { int err; int alop = vhcr->op_modifier; switch (vhcr->in_modifier & 0xFF) { case RES_QP: err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_MTT: err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_MPT: err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_CQ: err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_SRQ: err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_MAC: err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param, (vhcr->in_modifier >> 8) & 0xFF); break; case RES_VLAN: err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param, (vhcr->in_modifier >> 8) & 0xFF); break; case RES_COUNTER: err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param, 0); break; case RES_XRCD: err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; default: err = -EINVAL; break; } return err; } static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param) { int err; int count; int base; int qpn; switch (op) { case RES_OP_RESERVE: base = get_param_l(&in_param) & 0x7fffff; count = get_param_h(&in_param); err = rem_res_range(dev, slave, base, count, RES_QP, 0); if (err) break; mlx4_release_resource(dev, slave, RES_QP, count, 0); __mlx4_qp_release_range(dev, base, count); break; case RES_OP_MAP_ICM: qpn = get_param_l(&in_param) & 0x7fffff; err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, NULL, 0); if (err) return err; if (!fw_reserved(dev, qpn)) __mlx4_qp_free_icm(dev, qpn); res_end_move(dev, slave, RES_QP, qpn); if (valid_reserved(dev, slave, qpn)) err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); break; default: err = -EINVAL; break; } return err; } static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int err = -EINVAL; int base; int order; if (op != RES_OP_RESERVE_AND_MAP) return err; base = get_param_l(&in_param); order = get_param_h(&in_param); err = rem_res_range(dev, slave, base, 1, RES_MTT, order); if (!err) { mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); __mlx4_free_mtt_range(dev, base, order); } return err; } static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param) { int err = -EINVAL; int index; int id; struct res_mpt *mpt; switch (op) { case RES_OP_RESERVE: index = get_param_l(&in_param); id = index & mpt_mask(dev); err = get_res(dev, slave, id, RES_MPT, &mpt); if (err) break; index = mpt->key; put_res(dev, slave, id, RES_MPT); err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); if (err) break; mlx4_release_resource(dev, slave, RES_MPT, 1, 0); __mlx4_mpt_release(dev, index); break; case RES_OP_MAP_ICM: index = get_param_l(&in_param); id = index & mpt_mask(dev); err = mr_res_start_move_to(dev, slave, id, RES_MPT_RESERVED, &mpt); if (err) return err; __mlx4_mpt_free_icm(dev, mpt->key); res_end_move(dev, slave, RES_MPT, id); break; default: err = -EINVAL; break; } return err; } static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int cqn; int err; switch (op) { case RES_OP_RESERVE_AND_MAP: cqn = get_param_l(&in_param); err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); if (err) break; mlx4_release_resource(dev, slave, RES_CQ, 1, 0); __mlx4_cq_free_icm(dev, cqn); break; default: err = -EINVAL; break; } return err; } static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int srqn; int err; switch (op) { case RES_OP_RESERVE_AND_MAP: srqn = get_param_l(&in_param); err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); if (err) break; mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); __mlx4_srq_free_icm(dev, srqn); break; default: err = -EINVAL; break; } return err; } static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int in_port) { int port; int err = 0; switch (op) { case RES_OP_RESERVE_AND_MAP: port = !in_port ? get_param_l(out_param) : in_port; port = mlx4_slave_convert_port( dev, slave, port); if (port < 0) return -EINVAL; mac_del_from_slave(dev, slave, in_param, port); __mlx4_unregister_mac(dev, port, in_param); break; default: err = -EINVAL; break; } return err; } static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param, int port) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; int err = 0; port = mlx4_slave_convert_port( dev, slave, port); if (port < 0) return -EINVAL; switch (op) { case RES_OP_RESERVE_AND_MAP: if (slave_state[slave].old_vlan_api) return 0; if (!port) return -EINVAL; vlan_del_from_slave(dev, slave, in_param, port); __mlx4_unregister_vlan(dev, port, in_param); break; default: err = -EINVAL; break; } return err; } static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int index; int err; if (op != RES_OP_RESERVE) return -EINVAL; index = get_param_l(&in_param); if (index == MLX4_SINK_COUNTER_INDEX(dev)) return 0; err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); if (err) return err; __mlx4_counter_free(dev, index); mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); return err; } static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, u64 in_param, u64 *out_param) { int xrcdn; int err; if (op != RES_OP_RESERVE) return -EINVAL; xrcdn = get_param_l(&in_param); err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); if (err) return err; __mlx4_xrcd_free(dev, xrcdn); return err; } int mlx4_FREE_RES_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) { int err = -EINVAL; int alop = vhcr->op_modifier; switch (vhcr->in_modifier & 0xFF) { case RES_QP: err = qp_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param); break; case RES_MTT: err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_MPT: err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param); break; case RES_CQ: err = cq_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_SRQ: err = srq_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_MAC: err = mac_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param, (vhcr->in_modifier >> 8) & 0xFF); break; case RES_VLAN: err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param, (vhcr->in_modifier >> 8) & 0xFF); break; case RES_COUNTER: err = counter_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); break; case RES_XRCD: err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, vhcr->in_param, &vhcr->out_param); default: break; } return err; } /* ugly but other choices are uglier */ static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) { return (be32_to_cpu(mpt->flags) >> 9) & 1; } static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) { return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; } static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) { return be32_to_cpu(mpt->mtt_sz); } static u32 mr_get_pd(struct mlx4_mpt_entry *mpt) { return be32_to_cpu(mpt->pd_flags) & 0x00ffffff; } static int mr_is_fmr(struct mlx4_mpt_entry *mpt) { return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG; } static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt) { return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE; } static int mr_is_region(struct mlx4_mpt_entry *mpt) { return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION; } static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) { return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; } static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) { return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; } static int qp_get_mtt_size(struct mlx4_qp_context *qpc) { int page_shift = (qpc->log_page_size & 0x3f) + 12; int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; int log_sq_sride = qpc->sq_size_stride & 7; int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; int log_rq_stride = qpc->rq_size_stride & 7; int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; int sq_size; int rq_size; int total_pages; int total_mem; int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; sq_size = 1 << (log_sq_size + log_sq_sride + 4); rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); total_mem = sq_size + rq_size; total_pages = roundup_pow_of_two((total_mem + (page_offset << 6)) >> page_shift); return total_pages; } static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, int size, struct res_mtt *mtt) { int res_start = mtt->com.res_id; int res_size = (1 << mtt->order); if (start < res_start || start + size > res_start + res_size) return -EPERM; return 0; } int mlx4_SW2HW_MPT_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) { int err; int index = vhcr->in_modifier; struct res_mtt *mtt; struct res_mpt *mpt = NULL; int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; int phys; int id; u32 pd; int pd_slave; id = index & mpt_mask(dev); err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); if (err) return err; /* Disable memory windows for VFs. */ if (!mr_is_region(inbox->buf)) { err = -EPERM; goto ex_abort; } /* Make sure that the PD bits related to the slave id are zeros. */ pd = mr_get_pd(inbox->buf); pd_slave = (pd >> 17) & 0x7f; if (pd_slave != 0 && --pd_slave != slave) { err = -EPERM; goto ex_abort; } if (mr_is_fmr(inbox->buf)) { /* FMR and Bind Enable are forbidden in slave devices. */ if (mr_is_bind_enabled(inbox->buf)) { err = -EPERM; goto ex_abort; } /* FMR and Memory Windows are also forbidden. */ if (!mr_is_region(inbox->buf)) { err = -EPERM; goto ex_abort; } } phys = mr_phys_mpt(inbox->buf); if (!phys) { err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto ex_abort; err = check_mtt_range(dev, slave, mtt_base, mr_get_mtt_size(inbox->buf), mtt); if (err) goto ex_put; mpt->mtt = mtt; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_put; if (!phys) { atomic_inc(&mtt->ref_count); put_res(dev, slave, mtt->com.res_id, RES_MTT); } res_end_move(dev, slave, RES_MPT, id); return 0; ex_put: if (!phys) put_res(dev, slave, mtt->com.res_id, RES_MTT); ex_abort: res_abort_move(dev, slave, RES_MPT, id); return err; } int mlx4_HW2SW_MPT_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) { int err; int index = vhcr->in_modifier; struct res_mpt *mpt; int id; id = index & mpt_mask(dev); err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); if (err) return err; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_abort; if (mpt->mtt) atomic_dec(&mpt->mtt->ref_count); res_end_move(dev, slave, RES_MPT, id); return 0; ex_abort: res_abort_move(dev, slave, RES_MPT, id); return err; } int mlx4_QUERY_MPT_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) { int err; int index = vhcr->in_modifier; struct res_mpt *mpt; int id; id = index & mpt_mask(dev); err = get_res(dev, slave, id, RES_MPT, &mpt); if (err) return err; if (mpt->com.from_state == RES_MPT_MAPPED) { /* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do * that, the VF must read the MPT. But since the MPT entry memory is not * in the VF's virtual memory space, it must use QUERY_MPT to obtain the * entry contents. To guarantee that the MPT cannot be changed, the driver * must perform HW2SW_MPT before this query and return the MPT entry to HW * ownership fofollowing the change. The change here allows the VF to * perform QUERY_MPT also when the entry is in SW ownership. */ struct mlx4_mpt_entry *mpt_entry = mlx4_table_find( &mlx4_priv(dev)->mr_table.dmpt_table, mpt->key, NULL); if (NULL == mpt_entry || NULL == outbox->buf) { err = -EINVAL; goto out; } memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry)); err = 0; } else if (mpt->com.from_state == RES_MPT_HW) { err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } else { err = -EBUSY; goto out; } out: put_res(dev, slave, id, RES_MPT); return err; } static int qp_get_rcqn(struct mlx4_qp_context *qpc) { return be32_to_cpu(qpc->cqn_recv) & 0xffffff; } static int qp_get_scqn(struct mlx4_qp_context *qpc) { return be32_to_cpu(qpc->cqn_send) & 0xffffff; } static u32 qp_get_srqn(struct mlx4_qp_context *qpc) { return be32_to_cpu(qpc->srqn) & 0x1ffffff; } static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, struct mlx4_qp_context *context) { u32 qpn = vhcr->in_modifier & 0xffffff; u32 qkey = 0; if (mlx4_get_parav_qkey(dev, qpn, &qkey)) return; /* adjust qkey in qp context */ context->qkey = cpu_to_be32(qkey); } static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, struct mlx4_qp_context *qpc, struct mlx4_cmd_mailbox *inbox); int mlx4_RST2INIT_QP_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) { int err; int qpn = vhcr->in_modifier & 0x7fffff; struct res_mtt *mtt; struct res_qp *qp; struct mlx4_qp_context *qpc = inbox->buf + 8; int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; int mtt_size = qp_get_mtt_size(qpc); struct res_cq *rcq; struct res_cq *scq; int rcqn = qp_get_rcqn(qpc); int scqn = qp_get_scqn(qpc); u32 srqn = qp_get_srqn(qpc) & 0xffffff; int use_srq = (qp_get_srqn(qpc) >> 24) & 1; struct res_srq *srq; int local_qpn = vhcr->in_modifier & 0xffffff; err = adjust_qp_sched_queue(dev, slave, qpc, inbox); if (err) return err; err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); if (err) return err; qp->local_qpn = local_qpn; qp->sched_queue = 0; qp->param3 = 0; qp->vlan_control = 0; qp->fvl_rx = 0; qp->pri_path_fl = 0; qp->vlan_index = 0; qp->feup = 0; qp->qpc_flags = be32_to_cpu(qpc->flags); err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto ex_abort; err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); if (err) goto ex_put_mtt; err = get_res(dev, slave, rcqn, RES_CQ, &rcq); if (err) goto ex_put_mtt; if (scqn != rcqn) { err = get_res(dev, slave, scqn, RES_CQ, &scq); if (err) goto ex_put_rcq; } else scq = rcq; if (use_srq) { err = get_res(dev, slave, srqn, RES_SRQ, &srq); if (err) goto ex_put_scq; } adjust_proxy_tun_qkey(dev, vhcr, qpc); update_pkey_index(dev, slave, inbox); err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_put_srq; atomic_inc(&mtt->ref_count); qp->mtt = mtt; atomic_inc(&rcq->ref_count); qp->rcq = rcq; atomic_inc(&scq->ref_count); qp->scq = scq; if (scqn != rcqn) put_res(dev, slave, scqn, RES_CQ); if (use_srq) { atomic_inc(&srq->ref_count); put_res(dev, slave, srqn, RES_SRQ); qp->srq = srq; } /* Save param3 for dynamic changes from VST back to VGT */ qp->param3 = qpc->param3; put_res(dev, slave, rcqn, RES_CQ); put_res(dev, slave, mtt_base, RES_MTT); res_end_move(dev, slave, RES_QP, qpn); return 0; ex_put_srq: if (use_srq) put_res(dev, slave, srqn, RES_SRQ); ex_put_scq: if (scqn != rcqn) put_res(dev, slave, scqn, RES_CQ); ex_put_rcq: put_res(dev, slave, rcqn, RES_CQ); ex_put_mtt: put_res(dev, slave, mtt_base, RES_MTT); ex_abort: res_abort_move(dev, slave, RES_QP, qpn); return err; } static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) { return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; } static int eq_get_mtt_size(struct mlx4_eq_context *eqc) { int log_eq_size = eqc->log_eq_size & 0x1f; int page_shift = (eqc->log_page_size & 0x3f) + 12; if (log_eq_size + 5 < page_shift) return 1; return 1 << (log_eq_size + 5 - page_shift); } static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) { return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; } static int cq_get_mtt_size(struct mlx4_cq_context *cqc) { int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; int page_shift = (cqc->log_page_size & 0x3f) + 12; if (log_cq_size + 5 < page_shift) return 1; return 1 << (log_cq_size + 5 - page_shift); } int mlx4_SW2HW_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) { int err; int eqn = vhcr->in_modifier; int res_id = (slave << 10) | eqn; struct mlx4_eq_context *eqc = inbox->buf; int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; int mtt_size = eq_get_mtt_size(eqc); struct res_eq *eq; struct res_mtt *mtt; err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); if (err) return err; err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); if (err) goto out_add; err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto out_move; err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); if (err) goto out_put; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto out_put; atomic_inc(&mtt->ref_count); eq->mtt = mtt; put_res(dev, slave, mtt->com.res_id, RES_MTT); res_end_move(dev, slave, RES_EQ, res_id); return 0; out_put: put_res(dev, slave, mtt->com.res_id, RES_MTT); out_move: res_abort_move(dev, slave, RES_EQ, res_id); out_add: rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); return err; } int mlx4_CONFIG_DEV_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) { int err; u8 get = vhcr->op_modifier; if (get != 1) return -EPERM; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); return err; } static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, int len, struct res_mtt **res) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct res_mtt *mtt; int err = -EINVAL; spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], com.list) { if (!check_mtt_range(dev, slave, start, len, mtt)) { *res = mtt; mtt->com.from_state = mtt->com.state; mtt->com.state = RES_MTT_BUSY; err = 0; break; } } spin_unlock_irq(mlx4_tlock(dev)); return err; } static int verify_qp_parameters(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, enum qp_transition transition, u8 slave) { u32 qp_type; u32 qpn; struct mlx4_qp_context *qp_ctx; enum mlx4_qp_optpar optpar; int port; int num_gids; qp_ctx = inbox->buf + 8; qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; optpar = be32_to_cpu(*(__be32 *) inbox->buf); if (slave != mlx4_master_func_num(dev)) { qp_ctx->params2 &= ~cpu_to_be32(MLX4_QP_BIT_FPP); /* setting QP rate-limit is disallowed for VFs */ if (qp_ctx->rate_limit_params) return -EPERM; } switch (qp_type) { case MLX4_QP_ST_RC: case MLX4_QP_ST_XRC: case MLX4_QP_ST_UC: switch (transition) { case QP_TRANS_INIT2RTR: case QP_TRANS_RTR2RTS: case QP_TRANS_RTS2RTS: case QP_TRANS_SQD2SQD: case QP_TRANS_SQD2RTS: if (slave != mlx4_master_func_num(dev)) { if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) num_gids = mlx4_get_slave_num_gids(dev, slave, port); else num_gids = 1; if (qp_ctx->pri_path.mgid_index >= num_gids) return -EINVAL; } if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) num_gids = mlx4_get_slave_num_gids(dev, slave, port); else num_gids = 1; if (qp_ctx->alt_path.mgid_index >= num_gids) return -EINVAL; } } break; default: break; } break; case MLX4_QP_ST_MLX: qpn = vhcr->in_modifier & 0x7fffff; port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; if (transition == QP_TRANS_INIT2RTR && slave != mlx4_master_func_num(dev) && mlx4_is_qp_reserved(dev, qpn) && !mlx4_vf_smi_enabled(dev, slave, port)) { /* only enabled VFs may create MLX proxy QPs */ mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n", __func__, slave, port); return -EPERM; } break; default: break; } return 0; } int mlx4_WRITE_MTT_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) { struct mlx4_mtt mtt; __be64 *page_list = inbox->buf; u64 *pg_list = (u64 *)page_list; int i; struct res_mtt *rmtt = NULL; int start = be64_to_cpu(page_list[0]); int npages = vhcr->in_modifier; int err; err = get_containing_mtt(dev, slave, start, npages, &rmtt); if (err) return err; /* Call the SW implementation of write_mtt: * - Prepare a dummy mtt struct * - Translate inbox contents to simple addresses in host endianness */ mtt.offset = 0; /* TBD this is broken but I don't handle it since we don't really use it */ mtt.order = 0; mtt.page_shift = 0; for (i = 0; i < npages; ++i) pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, ((u64 *)page_list + 2)); if (rmtt) put_res(dev, slave, rmtt->com.res_id, RES_MTT); return err; } int mlx4_HW2SW_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) { int eqn = vhcr->in_modifier; int res_id = eqn | (slave << 10); struct res_eq *eq; int err; err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); if (err) return err; err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); if (err) goto ex_abort; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_put; atomic_dec(&eq->mtt->ref_count); put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); res_end_move(dev, slave, RES_EQ, res_id); rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); return 0; ex_put: put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); ex_abort: res_abort_move(dev, slave, RES_EQ, res_id); return err; } int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_slave_event_eq_info *event_eq; struct mlx4_cmd_mailbox *mailbox; u32 in_modifier = 0; int err; int res_id; struct res_eq *req; if (!priv->mfunc.master.slave_state) return -EINVAL; /* check for slave valid, slave not PF, and slave active */ if (slave < 0 || slave > dev->persist->num_vfs || slave == dev->caps.function || !priv->mfunc.master.slave_state[slave].active) return 0; event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; /* Create the event only if the slave is registered */ if (event_eq->eqn < 0) return 0; mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); res_id = (slave << 10) | event_eq->eqn; err = get_res(dev, slave, res_id, RES_EQ, &req); if (err) goto unlock; if (req->com.from_state != RES_EQ_HW) { err = -EINVAL; goto put; } mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) { err = PTR_ERR(mailbox); goto put; } if (eqe->type == MLX4_EVENT_TYPE_CMD) { ++event_eq->token; eqe->event.cmd.token = cpu_to_be16(event_eq->token); } memcpy(mailbox->buf, (u8 *) eqe, 28); in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16); err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); put_res(dev, slave, res_id, RES_EQ); mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); mlx4_free_cmd_mailbox(dev, mailbox); return err; put: put_res(dev, slave, res_id, RES_EQ); unlock: mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); return err; } int mlx4_QUERY_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) { int eqn = vhcr->in_modifier; int res_id = eqn | (slave << 10); struct res_eq *eq; int err; err = get_res(dev, slave, res_id, RES_EQ, &eq); if (err) return err; if (eq->com.from_state != RES_EQ_HW) { err = -EINVAL; goto ex_put; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); ex_put: put_res(dev, slave, res_id, RES_EQ); return err; } int mlx4_SW2HW_CQ_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) { int err; int cqn = vhcr->in_modifier; struct mlx4_cq_context *cqc = inbox->buf; int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; struct res_cq *cq = NULL; struct res_mtt *mtt; err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); if (err) return err; err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto out_move; err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); if (err) goto out_put; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto out_put; atomic_inc(&mtt->ref_count); cq->mtt = mtt; put_res(dev, slave, mtt->com.res_id, RES_MTT); res_end_move(dev, slave, RES_CQ, cqn); return 0; out_put: put_res(dev, slave, mtt->com.res_id, RES_MTT); out_move: res_abort_move(dev, slave, RES_CQ, cqn); return err; } int mlx4_HW2SW_CQ_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) { int err; int cqn = vhcr->in_modifier; struct res_cq *cq = NULL; err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); if (err) return err; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto out_move; atomic_dec(&cq->mtt->ref_count); res_end_move(dev, slave, RES_CQ, cqn); return 0; out_move: res_abort_move(dev, slave, RES_CQ, cqn); return err; } int mlx4_QUERY_CQ_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) { int cqn = vhcr->in_modifier; struct res_cq *cq; int err; err = get_res(dev, slave, cqn, RES_CQ, &cq); if (err) return err; if (cq->com.from_state != RES_CQ_HW) goto ex_put; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); ex_put: put_res(dev, slave, cqn, RES_CQ); return err; } static int handle_resize(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, struct res_cq *cq) { int err; struct res_mtt *orig_mtt; struct res_mtt *mtt; struct mlx4_cq_context *cqc = inbox->buf; int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); if (err) return err; if (orig_mtt != cq->mtt) { err = -EINVAL; goto ex_put; } err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto ex_put; err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); if (err) goto ex_put1; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_put1; atomic_dec(&orig_mtt->ref_count); put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); atomic_inc(&mtt->ref_count); cq->mtt = mtt; put_res(dev, slave, mtt->com.res_id, RES_MTT); return 0; ex_put1: put_res(dev, slave, mtt->com.res_id, RES_MTT); ex_put: put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); return err; } int mlx4_MODIFY_CQ_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) { int cqn = vhcr->in_modifier; struct res_cq *cq; int err; err = get_res(dev, slave, cqn, RES_CQ, &cq); if (err) return err; if (cq->com.from_state != RES_CQ_HW) goto ex_put; if (vhcr->op_modifier == 0) { err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); goto ex_put; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); ex_put: put_res(dev, slave, cqn, RES_CQ); return err; } static int srq_get_mtt_size(struct mlx4_srq_context *srqc) { int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; int log_rq_stride = srqc->logstride & 7; int page_shift = (srqc->log_page_size & 0x3f) + 12; if (log_srq_size + log_rq_stride + 4 < page_shift) return 1; return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); } int mlx4_SW2HW_SRQ_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) { int err; int srqn = vhcr->in_modifier; struct res_mtt *mtt; struct res_srq *srq = NULL; struct mlx4_srq_context *srqc = inbox->buf; int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) return -EINVAL; err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); if (err) return err; err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); if (err) goto ex_abort; err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), mtt); if (err) goto ex_put_mtt; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_put_mtt; atomic_inc(&mtt->ref_count); srq->mtt = mtt; put_res(dev, slave, mtt->com.res_id, RES_MTT); res_end_move(dev, slave, RES_SRQ, srqn); return 0; ex_put_mtt: put_res(dev, slave, mtt->com.res_id, RES_MTT); ex_abort: res_abort_move(dev, slave, RES_SRQ, srqn); return err; } int mlx4_HW2SW_SRQ_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) { int err; int srqn = vhcr->in_modifier; struct res_srq *srq = NULL; err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); if (err) return err; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_abort; atomic_dec(&srq->mtt->ref_count); if (srq->cq) atomic_dec(&srq->cq->ref_count); res_end_move(dev, slave, RES_SRQ, srqn); return 0; ex_abort: res_abort_move(dev, slave, RES_SRQ, srqn); return err; } int mlx4_QUERY_SRQ_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) { int err; int srqn = vhcr->in_modifier; struct res_srq *srq; err = get_res(dev, slave, srqn, RES_SRQ, &srq); if (err) return err; if (srq->com.from_state != RES_SRQ_HW) { err = -EBUSY; goto out; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); out: put_res(dev, slave, srqn, RES_SRQ); return err; } int mlx4_ARM_SRQ_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) { int err; int srqn = vhcr->in_modifier; struct res_srq *srq; err = get_res(dev, slave, srqn, RES_SRQ, &srq); if (err) return err; if (srq->com.from_state != RES_SRQ_HW) { err = -EBUSY; goto out; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); out: put_res(dev, slave, srqn, RES_SRQ); return err; } int mlx4_GEN_QP_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) { int err; int qpn = vhcr->in_modifier & 0x7fffff; struct res_qp *qp; err = get_res(dev, slave, qpn, RES_QP, &qp); if (err) return err; if (qp->com.from_state != RES_QP_HW) { err = -EBUSY; goto out; } err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); out: put_res(dev, slave, qpn, RES_QP); return err; } int mlx4_INIT2INIT_QP_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) { struct mlx4_qp_context *context = inbox->buf + 8; adjust_proxy_tun_qkey(dev, vhcr, context); update_pkey_index(dev, slave, inbox); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, struct mlx4_qp_context *qpc, struct mlx4_cmd_mailbox *inbox) { enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf); u8 pri_sched_queue; int port = mlx4_slave_convert_port( dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1; if (port < 0) return -EINVAL; pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) | ((port & 1) << 6); if (optpar & (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE) || qpc->pri_path.sched_queue || mlx4_is_eth(dev, port + 1)) { qpc->pri_path.sched_queue = pri_sched_queue; } if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { port = mlx4_slave_convert_port( dev, slave, (qpc->alt_path.sched_queue >> 6 & 1) + 1) - 1; if (port < 0) return -EINVAL; qpc->alt_path.sched_queue = (qpc->alt_path.sched_queue & ~(1 << 6)) | (port & 1) << 6; } return 0; } static int roce_verify_mac(struct mlx4_dev *dev, int slave, struct mlx4_qp_context *qpc, struct mlx4_cmd_mailbox *inbox) { u64 mac; int port; u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; u8 sched = *(u8 *)(inbox->buf + 64); u8 smac_ix; port = (sched >> 6 & 1) + 1; if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) { smac_ix = qpc->pri_path.grh_mylmc & 0x7f; if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac)) return -ENOENT; } return 0; } int mlx4_INIT2RTR_QP_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) { int err; struct mlx4_qp_context *qpc = inbox->buf + 8; int qpn = vhcr->in_modifier & 0x7fffff; struct res_qp *qp; u8 orig_sched_queue; u8 orig_vlan_control = qpc->pri_path.vlan_control; u8 orig_fvl_rx = qpc->pri_path.fvl_rx; u8 orig_pri_path_fl = qpc->pri_path.fl; u8 orig_vlan_index = qpc->pri_path.vlan_index; u8 orig_feup = qpc->pri_path.feup; err = adjust_qp_sched_queue(dev, slave, qpc, inbox); if (err) return err; err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave); if (err) return err; if (roce_verify_mac(dev, slave, qpc, inbox)) return -EINVAL; update_pkey_index(dev, slave, inbox); update_gid(dev, inbox, (u8)slave); adjust_proxy_tun_qkey(dev, vhcr, qpc); orig_sched_queue = qpc->pri_path.sched_queue; err = get_res(dev, slave, qpn, RES_QP, &qp); if (err) return err; if (qp->com.from_state != RES_QP_HW) { err = -EBUSY; goto out; } err = update_vport_qp_param(dev, inbox, slave, qpn); if (err) goto out; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); out: /* if no error, save sched queue value passed in by VF. This is * essentially the QOS value provided by the VF. This will be useful * if we allow dynamic changes from VST back to VGT */ if (!err) { qp->sched_queue = orig_sched_queue; qp->vlan_control = orig_vlan_control; qp->fvl_rx = orig_fvl_rx; qp->pri_path_fl = orig_pri_path_fl; qp->vlan_index = orig_vlan_index; qp->feup = orig_feup; } put_res(dev, slave, qpn, RES_QP); return err; } int mlx4_RTR2RTS_QP_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) { int err; struct mlx4_qp_context *context = inbox->buf + 8; err = adjust_qp_sched_queue(dev, slave, context, inbox); if (err) return err; err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave); if (err) return err; update_pkey_index(dev, slave, inbox); update_gid(dev, inbox, (u8)slave); adjust_proxy_tun_qkey(dev, vhcr, context); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } int mlx4_RTS2RTS_QP_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) { int err; struct mlx4_qp_context *context = inbox->buf + 8; err = adjust_qp_sched_queue(dev, slave, context, inbox); if (err) return err; err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave); if (err) return err; update_pkey_index(dev, slave, inbox); update_gid(dev, inbox, (u8)slave); adjust_proxy_tun_qkey(dev, vhcr, context); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } int mlx4_SQERR2RTS_QP_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) { struct mlx4_qp_context *context = inbox->buf + 8; int err = adjust_qp_sched_queue(dev, slave, context, inbox); if (err) return err; adjust_proxy_tun_qkey(dev, vhcr, context); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } int mlx4_SQD2SQD_QP_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) { int err; struct mlx4_qp_context *context = inbox->buf + 8; err = adjust_qp_sched_queue(dev, slave, context, inbox); if (err) return err; err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave); if (err) return err; adjust_proxy_tun_qkey(dev, vhcr, context); update_gid(dev, inbox, (u8)slave); update_pkey_index(dev, slave, inbox); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } int mlx4_SQD2RTS_QP_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) { int err; struct mlx4_qp_context *context = inbox->buf + 8; err = adjust_qp_sched_queue(dev, slave, context, inbox); if (err) return err; err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave); if (err) return err; adjust_proxy_tun_qkey(dev, vhcr, context); update_gid(dev, inbox, (u8)slave); update_pkey_index(dev, slave, inbox); return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); } int mlx4_2RST_QP_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) { int err; int qpn = vhcr->in_modifier & 0x7fffff; struct res_qp *qp; err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); if (err) return err; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); if (err) goto ex_abort; atomic_dec(&qp->mtt->ref_count); atomic_dec(&qp->rcq->ref_count); atomic_dec(&qp->scq->ref_count); if (qp->srq) atomic_dec(&qp->srq->ref_count); res_end_move(dev, slave, RES_QP, qpn); return 0; ex_abort: res_abort_move(dev, slave, RES_QP, qpn); return err; } static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, struct res_qp *rqp, u8 *gid) { struct res_gid *res; list_for_each_entry(res, &rqp->mcg_list, list) { if (!memcmp(res->gid, gid, 16)) return res; } return NULL; } static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, u8 *gid, enum mlx4_protocol prot, enum mlx4_steer_type steer, u64 reg_id) { struct res_gid *res; int err; res = kzalloc(sizeof(*res), GFP_KERNEL); if (!res) return -ENOMEM; spin_lock_irq(&rqp->mcg_spl); if (find_gid(dev, slave, rqp, gid)) { kfree(res); err = -EEXIST; } else { memcpy(res->gid, gid, 16); res->prot = prot; res->steer = steer; res->reg_id = reg_id; list_add_tail(&res->list, &rqp->mcg_list); err = 0; } spin_unlock_irq(&rqp->mcg_spl); return err; } static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, u8 *gid, enum mlx4_protocol prot, enum mlx4_steer_type steer, u64 *reg_id) { struct res_gid *res; int err; spin_lock_irq(&rqp->mcg_spl); res = find_gid(dev, slave, rqp, gid); if (!res || res->prot != prot || res->steer != steer) err = -EINVAL; else { *reg_id = res->reg_id; list_del(&res->list); kfree(res); err = 0; } spin_unlock_irq(&rqp->mcg_spl); return err; } static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp, u8 gid[16], int block_loopback, enum mlx4_protocol prot, enum mlx4_steer_type type, u64 *reg_id) { switch (dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: { int port = mlx4_slave_convert_port(dev, slave, gid[5]); if (port < 0) return port; return mlx4_trans_to_dmfs_attach(dev, qp, gid, port, block_loopback, prot, reg_id); } case MLX4_STEERING_MODE_B0: if (prot == MLX4_PROT_ETH) { int port = mlx4_slave_convert_port(dev, slave, gid[5]); if (port < 0) return port; gid[5] = port; } return mlx4_qp_attach_common(dev, qp, gid, block_loopback, prot, type); default: return -EINVAL; } } static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], enum mlx4_protocol prot, enum mlx4_steer_type type, u64 reg_id) { switch (dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: return mlx4_flow_detach(dev, reg_id); case MLX4_STEERING_MODE_B0: return mlx4_qp_detach_common(dev, qp, gid, prot, type); default: return -EINVAL; } } static int mlx4_adjust_port(struct mlx4_dev *dev, int slave, u8 *gid, enum mlx4_protocol prot) { int real_port; if (prot != MLX4_PROT_ETH) return 0; if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 || dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { real_port = mlx4_slave_convert_port(dev, slave, gid[5]); if (real_port < 0) return -EINVAL; gid[5] = real_port; } return 0; } int mlx4_QP_ATTACH_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) { struct mlx4_qp qp; /* dummy for calling attach/detach */ u8 *gid = inbox->buf; enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; int err; int qpn; struct res_qp *rqp; u64 reg_id = 0; int attach = vhcr->op_modifier; int block_loopback = vhcr->in_modifier >> 31; u8 steer_type_mask = 2; enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; qpn = vhcr->in_modifier & 0xffffff; err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) return err; qp.qpn = qpn; if (attach) { err = qp_attach(dev, slave, &qp, gid, block_loopback, prot, type, ®_id); if (err) { pr_err("Fail to attach rule to qp 0x%x\n", qpn); goto ex_put; } err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id); if (err) goto ex_detach; } else { err = mlx4_adjust_port(dev, slave, gid, prot); if (err) goto ex_put; err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id); if (err) goto ex_put; err = qp_detach(dev, &qp, gid, prot, type, reg_id); if (err) pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n", qpn, reg_id); } put_res(dev, slave, qpn, RES_QP); return err; ex_detach: qp_detach(dev, &qp, gid, prot, type, reg_id); ex_put: put_res(dev, slave, qpn, RES_QP); return err; } /* * MAC validation for Flow Steering rules. * VF can attach rules only with a mac address which is assigned to it. */ static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, struct list_head *rlist) { struct mac_res *res, *tmp; __be64 be_mac; /* make sure it isn't multicast or broadcast mac*/ if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { list_for_each_entry_safe(res, tmp, rlist, list) { be_mac = cpu_to_be64(res->mac << 16); if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) return 0; } pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", eth_header->eth.dst_mac, slave); return -EINVAL; } return 0; } /* * In case of missing eth header, append eth header with a MAC address * assigned to the VF. */ static int add_eth_header(struct mlx4_dev *dev, int slave, struct mlx4_cmd_mailbox *inbox, struct list_head *rlist, int header_id) { struct mac_res *res, *tmp; u8 port; struct mlx4_net_trans_rule_hw_ctrl *ctrl; struct mlx4_net_trans_rule_hw_eth *eth_header; struct mlx4_net_trans_rule_hw_ipv4 *ip_header; struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; __be64 be_mac = 0; __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; port = ctrl->port; eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); /* Clear a space in the inbox for eth header */ switch (header_id) { case MLX4_NET_TRANS_RULE_ID_IPV4: ip_header = (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); memmove(ip_header, eth_header, sizeof(*ip_header) + sizeof(*l4_header)); break; case MLX4_NET_TRANS_RULE_ID_TCP: case MLX4_NET_TRANS_RULE_ID_UDP: l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) (eth_header + 1); memmove(l4_header, eth_header, sizeof(*l4_header)); break; default: return -EINVAL; } list_for_each_entry_safe(res, tmp, rlist, list) { if (port == res->port) { be_mac = cpu_to_be64(res->mac << 16); break; } } if (!be_mac) { pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n", port); return -EINVAL; } memset(eth_header, 0, sizeof(*eth_header)); eth_header->size = sizeof(*eth_header) >> 2; eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); return 0; } #define MLX4_UPD_QP_PATH_MASK_SUPPORTED ( \ 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX |\ 1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB) int mlx4_UPDATE_QP_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_info) { int err; u32 qpn = vhcr->in_modifier & 0xffffff; struct res_qp *rqp; u64 mac; unsigned port; u64 pri_addr_path_mask; struct mlx4_update_qp_context *cmd; int smac_index; cmd = (struct mlx4_update_qp_context *)inbox->buf; pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask); if (cmd->qp_mask || cmd->secondary_addr_path_mask || (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED)) return -EPERM; if ((pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) && !(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) { mlx4_warn(dev, "Src check LB for slave %d isn't supported\n", slave); return -EOPNOTSUPP; } /* Just change the smac for the QP */ err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) { mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave); return err; } port = (rqp->sched_queue >> 6 & 1) + 1; if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) { smac_index = cmd->qp_context.pri_path.grh_mylmc; err = mac_find_smac_ix_in_slave(dev, slave, port, smac_index, &mac); if (err) { mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n", qpn, smac_index); goto err_mac; } } err = mlx4_cmd(dev, inbox->dma, vhcr->in_modifier, 0, MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) { mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn); goto err_mac; } err_mac: put_res(dev, slave, qpn, RES_QP); return err; } static u32 qp_attach_mbox_size(void *mbox) { u32 size = sizeof(struct mlx4_net_trans_rule_hw_ctrl); struct _rule_hw *rule_header; rule_header = (struct _rule_hw *)(mbox + size); while (rule_header->size) { size += rule_header->size * sizeof(u32); rule_header += 1; } return size; } static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule); int mlx4_QP_FLOW_STEERING_ATTACH_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) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; int err; int qpn; struct res_qp *rqp; struct mlx4_net_trans_rule_hw_ctrl *ctrl; struct _rule_hw *rule_header; int header_id; struct res_fs_rule *rrule; u32 mbox_size; if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) return -EOPNOTSUPP; ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; err = mlx4_slave_convert_port(dev, slave, ctrl->port); if (err <= 0) return -EINVAL; ctrl->port = err; qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) { pr_err("Steering rule with qpn 0x%x rejected\n", qpn); return err; } rule_header = (struct _rule_hw *)(ctrl + 1); header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); if (header_id == MLX4_NET_TRANS_RULE_ID_ETH) mlx4_handle_eth_header_mcast_prio(ctrl, rule_header); switch (header_id) { case MLX4_NET_TRANS_RULE_ID_ETH: if (validate_eth_header_mac(slave, rule_header, rlist)) { err = -EINVAL; goto err_put_qp; } break; case MLX4_NET_TRANS_RULE_ID_IB: break; case MLX4_NET_TRANS_RULE_ID_IPV4: case MLX4_NET_TRANS_RULE_ID_TCP: case MLX4_NET_TRANS_RULE_ID_UDP: pr_warn("Can't attach FS rule without L2 headers, adding L2 header\n"); if (add_eth_header(dev, slave, inbox, rlist, header_id)) { err = -EINVAL; goto err_put_qp; } vhcr->in_modifier += sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; break; default: pr_err("Corrupted mailbox\n"); err = -EINVAL; goto err_put_qp; } err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, vhcr->in_modifier, 0, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) goto err_put_qp; err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn); if (err) { mlx4_err(dev, "Fail to add flow steering resources\n"); goto err_detach; } err = get_res(dev, slave, vhcr->out_param, RES_FS_RULE, &rrule); if (err) goto err_detach; mbox_size = qp_attach_mbox_size(inbox->buf); rrule->mirr_mbox = kmalloc(mbox_size, GFP_KERNEL); if (!rrule->mirr_mbox) { err = -ENOMEM; goto err_put_rule; } rrule->mirr_mbox_size = mbox_size; rrule->mirr_rule_id = 0; memcpy(rrule->mirr_mbox, inbox->buf, mbox_size); /* set different port */ ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)rrule->mirr_mbox; if (ctrl->port == 1) ctrl->port = 2; else ctrl->port = 1; if (mlx4_is_bonded(dev)) mlx4_do_mirror_rule(dev, rrule); atomic_inc(&rqp->ref_count); err_put_rule: put_res(dev, slave, vhcr->out_param, RES_FS_RULE); err_detach: /* detach rule on error */ if (err) mlx4_cmd(dev, vhcr->out_param, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); err_put_qp: put_res(dev, slave, qpn, RES_QP); return err; } static int mlx4_undo_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) { int err; err = rem_res_range(dev, fs_rule->com.owner, fs_rule->com.res_id, 1, RES_FS_RULE, 0); if (err) { mlx4_err(dev, "Fail to remove flow steering resources\n"); return err; } mlx4_cmd(dev, fs_rule->com.res_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); return 0; } int mlx4_QP_FLOW_STEERING_DETACH_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) { int err; struct res_qp *rqp; struct res_fs_rule *rrule; u64 mirr_reg_id; int qpn; if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) return -EOPNOTSUPP; err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); if (err) return err; if (!rrule->mirr_mbox) { mlx4_err(dev, "Mirror rules cannot be removed explicitly\n"); put_res(dev, slave, vhcr->in_param, RES_FS_RULE); return -EINVAL; } mirr_reg_id = rrule->mirr_rule_id; kfree(rrule->mirr_mbox); qpn = rrule->qpn; /* Release the rule form busy state before removal */ put_res(dev, slave, vhcr->in_param, RES_FS_RULE); err = get_res(dev, slave, qpn, RES_QP, &rqp); if (err) return err; if (mirr_reg_id && mlx4_is_bonded(dev)) { err = get_res(dev, slave, mirr_reg_id, RES_FS_RULE, &rrule); if (err) { mlx4_err(dev, "Fail to get resource of mirror rule\n"); } else { put_res(dev, slave, mirr_reg_id, RES_FS_RULE); mlx4_undo_mirror_rule(dev, rrule); } } err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); if (err) { mlx4_err(dev, "Fail to remove flow steering resources\n"); goto out; } err = mlx4_cmd(dev, vhcr->in_param, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (!err) atomic_dec(&rqp->ref_count); out: put_res(dev, slave, qpn, RES_QP); return err; } enum { BUSY_MAX_RETRIES = 10 }; int mlx4_QUERY_IF_STAT_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) { int err; int index = vhcr->in_modifier & 0xffff; err = get_res(dev, slave, index, RES_COUNTER, NULL); if (err) return err; err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); put_res(dev, slave, index, RES_COUNTER); return err; } static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) { struct res_gid *rgid; struct res_gid *tmp; struct mlx4_qp qp; /* dummy for calling attach/detach */ list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { switch (dev->caps.steering_mode) { case MLX4_STEERING_MODE_DEVICE_MANAGED: mlx4_flow_detach(dev, rgid->reg_id); break; case MLX4_STEERING_MODE_B0: qp.qpn = rqp->local_qpn; (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot, rgid->steer); break; } list_del(&rgid->list); kfree(rgid); } } static int _move_all_busy(struct mlx4_dev *dev, int slave, enum mlx4_resource type, int print) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; struct res_common *r; struct res_common *tmp; int busy; busy = 0; spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(r, tmp, rlist, list) { if (r->owner == slave) { if (!r->removing) { if (r->state == RES_ANY_BUSY) { if (print) mlx4_dbg(dev, "%s id 0x%llx is busy\n", resource_str(type), r->res_id); ++busy; } else { r->from_state = r->state; r->state = RES_ANY_BUSY; r->removing = 1; } } } } spin_unlock_irq(mlx4_tlock(dev)); return busy; } static int move_all_busy(struct mlx4_dev *dev, int slave, enum mlx4_resource type) { unsigned long begin; int busy; begin = jiffies; do { busy = _move_all_busy(dev, slave, type, 0); if (time_after(jiffies, begin + 5 * HZ)) break; if (busy) cond_resched(); } while (busy); if (busy) busy = _move_all_busy(dev, slave, type, 1); return busy; } static void rem_slave_qps(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *qp_list = &tracker->slave_list[slave].res_list[RES_QP]; struct res_qp *qp; struct res_qp *tmp; int state; u64 in_param; int qpn; int err; err = move_all_busy(dev, slave, RES_QP); if (err) mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(qp, tmp, qp_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (qp->com.owner == slave) { qpn = qp->com.res_id; detach_qp(dev, slave, qp); state = qp->com.from_state; while (state != 0) { switch (state) { case RES_QP_RESERVED: spin_lock_irq(mlx4_tlock(dev)); rb_erase(&qp->com.node, &tracker->res_tree[RES_QP]); list_del(&qp->com.list); spin_unlock_irq(mlx4_tlock(dev)); if (!valid_reserved(dev, slave, qpn)) { __mlx4_qp_release_range(dev, qpn, 1); mlx4_release_resource(dev, slave, RES_QP, 1, 0); } kfree(qp); state = 0; break; case RES_QP_MAPPED: if (!valid_reserved(dev, slave, qpn)) __mlx4_qp_free_icm(dev, qpn); state = RES_QP_RESERVED; break; case RES_QP_HW: in_param = slave; err = mlx4_cmd(dev, in_param, qp->local_qpn, 2, MLX4_CMD_2RST_QP, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n", slave, qp->local_qpn); atomic_dec(&qp->rcq->ref_count); atomic_dec(&qp->scq->ref_count); atomic_dec(&qp->mtt->ref_count); if (qp->srq) atomic_dec(&qp->srq->ref_count); state = RES_QP_MAPPED; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_srqs(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *srq_list = &tracker->slave_list[slave].res_list[RES_SRQ]; struct res_srq *srq; struct res_srq *tmp; int state; u64 in_param; int srqn; int err; err = move_all_busy(dev, slave, RES_SRQ); if (err) mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(srq, tmp, srq_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (srq->com.owner == slave) { srqn = srq->com.res_id; state = srq->com.from_state; while (state != 0) { switch (state) { case RES_SRQ_ALLOCATED: __mlx4_srq_free_icm(dev, srqn); spin_lock_irq(mlx4_tlock(dev)); rb_erase(&srq->com.node, &tracker->res_tree[RES_SRQ]); list_del(&srq->com.list); spin_unlock_irq(mlx4_tlock(dev)); mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); kfree(srq); state = 0; break; case RES_SRQ_HW: in_param = slave; err = mlx4_cmd(dev, in_param, srqn, 1, MLX4_CMD_HW2SW_SRQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n", slave, srqn); atomic_dec(&srq->mtt->ref_count); if (srq->cq) atomic_dec(&srq->cq->ref_count); state = RES_SRQ_ALLOCATED; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_cqs(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *cq_list = &tracker->slave_list[slave].res_list[RES_CQ]; struct res_cq *cq; struct res_cq *tmp; int state; u64 in_param; int cqn; int err; err = move_all_busy(dev, slave, RES_CQ); if (err) mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(cq, tmp, cq_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { cqn = cq->com.res_id; state = cq->com.from_state; while (state != 0) { switch (state) { case RES_CQ_ALLOCATED: __mlx4_cq_free_icm(dev, cqn); spin_lock_irq(mlx4_tlock(dev)); rb_erase(&cq->com.node, &tracker->res_tree[RES_CQ]); list_del(&cq->com.list); spin_unlock_irq(mlx4_tlock(dev)); mlx4_release_resource(dev, slave, RES_CQ, 1, 0); kfree(cq); state = 0; break; case RES_CQ_HW: in_param = slave; err = mlx4_cmd(dev, in_param, cqn, 1, MLX4_CMD_HW2SW_CQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n", slave, cqn); atomic_dec(&cq->mtt->ref_count); state = RES_CQ_ALLOCATED; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_mrs(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mpt_list = &tracker->slave_list[slave].res_list[RES_MPT]; struct res_mpt *mpt; struct res_mpt *tmp; int state; u64 in_param; int mptn; int err; err = move_all_busy(dev, slave, RES_MPT); if (err) mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (mpt->com.owner == slave) { mptn = mpt->com.res_id; state = mpt->com.from_state; while (state != 0) { switch (state) { case RES_MPT_RESERVED: __mlx4_mpt_release(dev, mpt->key); spin_lock_irq(mlx4_tlock(dev)); rb_erase(&mpt->com.node, &tracker->res_tree[RES_MPT]); list_del(&mpt->com.list); spin_unlock_irq(mlx4_tlock(dev)); mlx4_release_resource(dev, slave, RES_MPT, 1, 0); kfree(mpt); state = 0; break; case RES_MPT_MAPPED: __mlx4_mpt_free_icm(dev, mpt->key); state = RES_MPT_RESERVED; break; case RES_MPT_HW: in_param = slave; err = mlx4_cmd(dev, in_param, mptn, 0, MLX4_CMD_HW2SW_MPT, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n", slave, mptn); if (mpt->mtt) atomic_dec(&mpt->mtt->ref_count); state = RES_MPT_MAPPED; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_mtts(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *mtt_list = &tracker->slave_list[slave].res_list[RES_MTT]; struct res_mtt *mtt; struct res_mtt *tmp; int state; int base; int err; err = move_all_busy(dev, slave, RES_MTT); if (err) mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (mtt->com.owner == slave) { base = mtt->com.res_id; state = mtt->com.from_state; while (state != 0) { switch (state) { case RES_MTT_ALLOCATED: __mlx4_free_mtt_range(dev, base, mtt->order); spin_lock_irq(mlx4_tlock(dev)); rb_erase(&mtt->com.node, &tracker->res_tree[RES_MTT]); list_del(&mtt->com.list); spin_unlock_irq(mlx4_tlock(dev)); mlx4_release_resource(dev, slave, RES_MTT, 1 << mtt->order, 0); kfree(mtt); state = 0; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) { struct mlx4_cmd_mailbox *mailbox; int err; struct res_fs_rule *mirr_rule; u64 reg_id; mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) return PTR_ERR(mailbox); if (!fs_rule->mirr_mbox) { mlx4_err(dev, "rule mirroring mailbox is null\n"); return -EINVAL; } memcpy(mailbox->buf, fs_rule->mirr_mbox, fs_rule->mirr_mbox_size); err = mlx4_cmd_imm(dev, mailbox->dma, ®_id, fs_rule->mirr_mbox_size >> 2, 0, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); mlx4_free_cmd_mailbox(dev, mailbox); if (err) goto err; err = add_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, fs_rule->qpn); if (err) goto err_detach; err = get_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE, &mirr_rule); if (err) goto err_rem; fs_rule->mirr_rule_id = reg_id; mirr_rule->mirr_rule_id = 0; mirr_rule->mirr_mbox_size = 0; mirr_rule->mirr_mbox = NULL; put_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE); return 0; err_rem: rem_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, 0); err_detach: mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); err: return err; } static int mlx4_mirror_fs_rules(struct mlx4_dev *dev, bool bond) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct rb_root *root = &tracker->res_tree[RES_FS_RULE]; struct rb_node *p; struct res_fs_rule *fs_rule; int err = 0; LIST_HEAD(mirr_list); for (p = rb_first(root); p; p = rb_next(p)) { fs_rule = rb_entry(p, struct res_fs_rule, com.node); if ((bond && fs_rule->mirr_mbox_size) || (!bond && !fs_rule->mirr_mbox_size)) list_add_tail(&fs_rule->mirr_list, &mirr_list); } list_for_each_entry(fs_rule, &mirr_list, mirr_list) { if (bond) err += mlx4_do_mirror_rule(dev, fs_rule); else err += mlx4_undo_mirror_rule(dev, fs_rule); } return err; } int mlx4_bond_fs_rules(struct mlx4_dev *dev) { return mlx4_mirror_fs_rules(dev, true); } int mlx4_unbond_fs_rules(struct mlx4_dev *dev) { return mlx4_mirror_fs_rules(dev, false); } static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *fs_rule_list = &tracker->slave_list[slave].res_list[RES_FS_RULE]; struct res_fs_rule *fs_rule; struct res_fs_rule *tmp; int state; u64 base; int err; err = move_all_busy(dev, slave, RES_FS_RULE); if (err) mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (fs_rule->com.owner == slave) { base = fs_rule->com.res_id; state = fs_rule->com.from_state; while (state != 0) { switch (state) { case RES_FS_RULE_ALLOCATED: /* detach rule */ err = mlx4_cmd(dev, base, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); spin_lock_irq(mlx4_tlock(dev)); rb_erase(&fs_rule->com.node, &tracker->res_tree[RES_FS_RULE]); list_del(&fs_rule->com.list); spin_unlock_irq(mlx4_tlock(dev)); kfree(fs_rule->mirr_mbox); kfree(fs_rule); state = 0; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_eqs(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *eq_list = &tracker->slave_list[slave].res_list[RES_EQ]; struct res_eq *eq; struct res_eq *tmp; int err; int state; int eqn; err = move_all_busy(dev, slave, RES_EQ); if (err) mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(eq, tmp, eq_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (eq->com.owner == slave) { eqn = eq->com.res_id; state = eq->com.from_state; while (state != 0) { switch (state) { case RES_EQ_RESERVED: spin_lock_irq(mlx4_tlock(dev)); rb_erase(&eq->com.node, &tracker->res_tree[RES_EQ]); list_del(&eq->com.list); spin_unlock_irq(mlx4_tlock(dev)); kfree(eq); state = 0; break; case RES_EQ_HW: err = mlx4_cmd(dev, slave, eqn & 0x3ff, 1, MLX4_CMD_HW2SW_EQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); if (err) mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n", slave, eqn & 0x3ff); atomic_dec(&eq->mtt->ref_count); state = RES_EQ_RESERVED; break; default: state = 0; } } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); } static void rem_slave_counters(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *counter_list = &tracker->slave_list[slave].res_list[RES_COUNTER]; struct res_counter *counter; struct res_counter *tmp; int err; int *counters_arr = NULL; int i, j; err = move_all_busy(dev, slave, RES_COUNTER); if (err) mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n", slave); counters_arr = kmalloc_array(dev->caps.max_counters, sizeof(*counters_arr), GFP_KERNEL); if (!counters_arr) return; do { i = 0; j = 0; spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(counter, tmp, counter_list, com.list) { if (counter->com.owner == slave) { counters_arr[i++] = counter->com.res_id; rb_erase(&counter->com.node, &tracker->res_tree[RES_COUNTER]); list_del(&counter->com.list); kfree(counter); } } spin_unlock_irq(mlx4_tlock(dev)); while (j < i) { __mlx4_counter_free(dev, counters_arr[j++]); mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); } } while (i); kfree(counters_arr); } static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; struct list_head *xrcdn_list = &tracker->slave_list[slave].res_list[RES_XRCD]; struct res_xrcdn *xrcd; struct res_xrcdn *tmp; int err; int xrcdn; err = move_all_busy(dev, slave, RES_XRCD); if (err) mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n", slave); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { if (xrcd->com.owner == slave) { xrcdn = xrcd->com.res_id; rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); list_del(&xrcd->com.list); kfree(xrcd); __mlx4_xrcd_free(dev, xrcdn); } } spin_unlock_irq(mlx4_tlock(dev)); } void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) { struct mlx4_priv *priv = mlx4_priv(dev); mlx4_reset_roce_gids(dev, slave); mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); rem_slave_vlans(dev, slave); rem_slave_macs(dev, slave); rem_slave_fs_rule(dev, slave); rem_slave_qps(dev, slave); rem_slave_srqs(dev, slave); rem_slave_cqs(dev, slave); rem_slave_mrs(dev, slave); rem_slave_eqs(dev, slave); rem_slave_mtts(dev, slave); rem_slave_counters(dev, slave); rem_slave_xrcdns(dev, slave); mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); } static void update_qos_vpp(struct mlx4_update_qp_context *ctx, struct mlx4_vf_immed_vlan_work *work) { ctx->qp_mask |= cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_QOS_VPP); ctx->qp_context.qos_vport = work->qos_vport; } void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) { struct mlx4_vf_immed_vlan_work *work = container_of(_work, struct mlx4_vf_immed_vlan_work, work); struct mlx4_cmd_mailbox *mailbox; struct mlx4_update_qp_context *upd_context; struct mlx4_dev *dev = &work->priv->dev; struct mlx4_resource_tracker *tracker = &work->priv->mfunc.master.res_tracker; struct list_head *qp_list = &tracker->slave_list[work->slave].res_list[RES_QP]; struct res_qp *qp; struct res_qp *tmp; u64 qp_path_mask_vlan_ctrl = ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED)); u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) | (1ULL << MLX4_UPD_QP_PATH_MASK_CV) | (1ULL << MLX4_UPD_QP_PATH_MASK_SV) | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) | (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) | (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE)); int err; int port, errors = 0; u8 vlan_control; if (mlx4_is_slave(dev)) { mlx4_warn(dev, "Trying to update-qp in slave %d\n", work->slave); goto out; } mailbox = mlx4_alloc_cmd_mailbox(dev); if (IS_ERR(mailbox)) goto out; if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */ vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; else if (!work->vlan_id) vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; else if (work->vlan_proto == htons(ETH_P_8021AD)) vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; else /* vst 802.1Q */ vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; upd_context = mailbox->buf; upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD); spin_lock_irq(mlx4_tlock(dev)); list_for_each_entry_safe(qp, tmp, qp_list, com.list) { spin_unlock_irq(mlx4_tlock(dev)); if (qp->com.owner == work->slave) { if (qp->com.from_state != RES_QP_HW || !qp->sched_queue || /* no INIT2RTR trans yet */ mlx4_is_qp_reserved(dev, qp->local_qpn) || qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) { spin_lock_irq(mlx4_tlock(dev)); continue; } port = (qp->sched_queue >> 6 & 1) + 1; if (port != work->port) { spin_lock_irq(mlx4_tlock(dev)); continue; } if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff)) upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask); else upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl); if (work->vlan_id == MLX4_VGT) { upd_context->qp_context.param3 = qp->param3; upd_context->qp_context.pri_path.vlan_control = qp->vlan_control; upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx; upd_context->qp_context.pri_path.vlan_index = qp->vlan_index; upd_context->qp_context.pri_path.fl = qp->pri_path_fl; upd_context->qp_context.pri_path.feup = qp->feup; upd_context->qp_context.pri_path.sched_queue = qp->sched_queue; } else { upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN); upd_context->qp_context.pri_path.vlan_control = vlan_control; upd_context->qp_context.pri_path.vlan_index = work->vlan_ix; upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN; upd_context->qp_context.pri_path.fl = qp->pri_path_fl | MLX4_FL_ETH_HIDE_CQE_VLAN; if (work->vlan_proto == htons(ETH_P_8021AD)) upd_context->qp_context.pri_path.fl |= MLX4_FL_SV; else upd_context->qp_context.pri_path.fl |= MLX4_FL_CV; upd_context->qp_context.pri_path.feup = qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; upd_context->qp_context.pri_path.sched_queue = qp->sched_queue & 0xC7; upd_context->qp_context.pri_path.sched_queue |= ((work->qos & 0x7) << 3); if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_QOS_VPP) update_qos_vpp(upd_context, work); } err = mlx4_cmd(dev, mailbox->dma, qp->local_qpn & 0xffffff, 0, MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); if (err) { mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n", work->slave, port, qp->local_qpn, err); errors++; } } spin_lock_irq(mlx4_tlock(dev)); } spin_unlock_irq(mlx4_tlock(dev)); mlx4_free_cmd_mailbox(dev, mailbox); if (errors) mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n", errors, work->slave, work->port); /* unregister previous vlan_id if needed and we had no errors * while updating the QPs */ if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors && NO_INDX != work->orig_vlan_ix) __mlx4_unregister_vlan(&work->priv->dev, work->port, work->orig_vlan_id); out: kfree(work); return; }
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