| /* |
| * 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" |
| |
| #define MLX4_MAC_VALID (1ull << 63) |
| |
| 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; |
| }; |
| |
| 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; |
| }; |
| |
| static int mlx4_is_eth(struct mlx4_dev *dev, int port) |
| { |
| return dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB ? 0 : 1; |
| } |
| |
| 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 = container_of(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 = container_of(*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 = -EINVAL; |
| int allocated, free, reserved, guaranteed, from_free; |
| int from_rsvd; |
| |
| if (slave > dev->num_vfs) |
| return -EINVAL; |
| |
| spin_lock(&res_alloc->alloc_lock); |
| allocated = (port > 0) ? |
| res_alloc->allocated[(port - 1) * (dev->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->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->num_vfs) |
| return; |
| |
| spin_lock(&res_alloc->alloc_lock); |
| |
| allocated = (port > 0) ? |
| res_alloc->allocated[(port - 1) * (dev->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->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->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]; |
| } |
| int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
| { |
| struct mlx4_priv *priv = mlx4_priv(dev); |
| int i, j; |
| int t; |
| |
| priv->mfunc.master.res_tracker.slave_list = |
| kzalloc(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((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| res_alloc->guaranteed = kmalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| if (i == RES_MAC || i == RES_VLAN) |
| res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * |
| (dev->num_vfs + 1) * sizeof(int), |
| GFP_KERNEL); |
| else |
| res_alloc->allocated = kzalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| |
| 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->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; |
| res_alloc->guaranteed[t] = 0; |
| if (t == mlx4_master_func_num(dev)) |
| res_alloc->res_free = res_alloc->quota[t]; |
| 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 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; |
| int port; |
| |
| port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; |
| priv = mlx4_priv(dev); |
| vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; |
| |
| 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 */ |
| qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); |
| |
| 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) { |
| 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_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 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; |
| } |
| 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; |
| } |
| return 0; |
| } |
| |
| static int mpt_mask(struct mlx4_dev *dev) |
| { |
| return dev->caps.num_mpts - 1; |
| } |
| |
| 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) |
| { |
| 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) { |
| err = -EBUSY; |
| goto exit; |
| } |
| |
| if (r->owner != slave) { |
| err = -EPERM; |
| goto exit; |
| } |
| |
| r->from_state = r->state; |
| r->state = RES_ANY_BUSY; |
| |
| if (res) |
| *((struct res_common **)res) = r; |
| |
| exit: |
| spin_unlock_irq(mlx4_tlock(dev)); |
| return err; |
| } |
| |
| 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; |
| spin_unlock_irq(mlx4_tlock(dev)); |
| } |
| |
| 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) |
| { |
| 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; |
| |
| 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); |
| 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; |
| } |
| |
| 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 = kzalloc(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 >= base; --i) |
| rb_erase(&res_arr[i]->node, root); |
| |
| 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 -ENOSYS; |
| 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; |
| if (eq) |
| *eq = r; |
| } |
| } |
| |
| spin_unlock_irq(mlx4_tlock(dev)); |
| |
| 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; |
| |
| switch (op) { |
| case RES_OP_RESERVE: |
| count = get_param_l(&in_param); |
| 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); |
| 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, GFP_KERNEL); |
| 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, GFP_KERNEL); |
| 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) |
| { |
| 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, 0); |
| 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); |
| 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); |
| return err; |
| 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); |
| 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; |
| 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); |
| } |
| |
| 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 = be32_to_cpu(qpc->local_qpn) & 0xffffff; |
| |
| 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; |
| } |
| 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 << 8) | 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; |
| } |
| |
| 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); |
| |
| 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 endianess */ |
| 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 << 8); |
| 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; |
| |
| 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 << 8) | 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 & 0xff) << 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 << 8); |
| 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; |
| 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; |
| |
| 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; |
| 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; |
| |
| 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_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; |
| __be32 orig_param3 = qpc->param3; |
| 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 = update_vport_qp_param(dev, inbox, slave, qpn); |
| if (err) |
| return err; |
| |
| 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: |
| /* 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->param3 = orig_param3; |
| 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) |
| 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; |
| |
| /* 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; |
| 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; |
| } |
| |
| 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; |
| |
| if (dev->caps.steering_mode != |
| MLX4_STEERING_MODE_DEVICE_MANAGED) |
| return -EOPNOTSUPP; |
| |
| ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
| ctrl->port = mlx4_slave_convert_port(dev, slave, ctrl->port); |
| if (ctrl->port <= 0) |
| return -EINVAL; |
| 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)); |
| |
| switch (header_id) { |
| case MLX4_NET_TRANS_RULE_ID_ETH: |
| if (validate_eth_header_mac(slave, rule_header, rlist)) { |
| err = -EINVAL; |
| goto err_put; |
| } |
| 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; |
| } |
| vhcr->in_modifier += |
| sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; |
| break; |
| default: |
| pr_err("Corrupted mailbox\n"); |
| err = -EINVAL; |
| goto err_put; |
| } |
| |
| 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; |
| |
| 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"); |
| /* detach rule*/ |
| mlx4_cmd(dev, vhcr->out_param, 0, 0, |
| MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
| MLX4_CMD_NATIVE); |
| goto err_put; |
| } |
| atomic_inc(&rqp->ref_count); |
| err_put: |
| put_res(dev, slave, qpn, RES_QP); |
| return err; |
| } |
| |
| 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; |
| |
| 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; |
| /* Release the rule form busy state before removal */ |
| put_res(dev, slave, vhcr->in_param, RES_FS_RULE); |
| err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); |
| if (err) |
| return err; |
| |
| 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, rrule->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; |
| LIST_HEAD(tlist); |
| 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; |
| LIST_HEAD(tlist); |
| 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; |
| LIST_HEAD(tlist); |
| 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; |
| LIST_HEAD(tlist); |
| 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 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); |
| 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; |
| LIST_HEAD(tlist); |
| int eqn; |
| struct mlx4_cmd_mailbox *mailbox; |
| |
| 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: |
| mailbox = mlx4_alloc_cmd_mailbox(dev); |
| if (IS_ERR(mailbox)) { |
| cond_resched(); |
| continue; |
| } |
| err = mlx4_cmd_box(dev, slave, 0, |
| eqn & 0xff, 0, |
| 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); |
| mlx4_free_cmd_mailbox(dev, mailbox); |
| 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 index; |
| |
| 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); |
| |
| spin_lock_irq(mlx4_tlock(dev)); |
| list_for_each_entry_safe(counter, tmp, counter_list, com.list) { |
| if (counter->com.owner == slave) { |
| index = counter->com.res_id; |
| rb_erase(&counter->com.node, |
| &tracker->res_tree[RES_COUNTER]); |
| list_del(&counter->com.list); |
| kfree(counter); |
| __mlx4_counter_free(dev, index); |
| mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
| } |
| } |
| spin_unlock_irq(mlx4_tlock(dev)); |
| } |
| |
| 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); |
| } |
| |
| 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_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 |
| 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(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_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 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); |
| } |
| |
| 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; |
| } |
