diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/resource_tracker.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/resource_tracker.c | 271 |
1 files changed, 223 insertions, 48 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 8752e6e0816..b45d0e7f6ab 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -89,17 +89,6 @@ enum res_qp_states { RES_QP_HW }; -static inline const char *qp_states_str(enum res_qp_states state) -{ - switch (state) { - case RES_QP_BUSY: return "RES_QP_BUSY"; - case RES_QP_RESERVED: return "RES_QP_RESERVED"; - case RES_QP_MAPPED: return "RES_QP_MAPPED"; - case RES_QP_HW: return "RES_QP_HW"; - default: return "Unknown"; - } -} - struct res_qp { struct res_common com; struct res_mtt *mtt; @@ -173,16 +162,6 @@ enum res_srq_states { RES_SRQ_HW, }; -static inline const char *srq_states_str(enum res_srq_states state) -{ - switch (state) { - case RES_SRQ_BUSY: return "RES_SRQ_BUSY"; - case RES_SRQ_ALLOCATED: return "RES_SRQ_ALLOCATED"; - case RES_SRQ_HW: return "RES_SRQ_HW"; - default: return "Unknown"; - } -} - struct res_srq { struct res_common com; struct res_mtt *mtt; @@ -195,20 +174,21 @@ enum res_counter_states { RES_COUNTER_ALLOCATED, }; -static inline const char *counter_states_str(enum res_counter_states state) -{ - switch (state) { - case RES_COUNTER_BUSY: return "RES_COUNTER_BUSY"; - case RES_COUNTER_ALLOCATED: return "RES_COUNTER_ALLOCATED"; - default: return "Unknown"; - } -} - 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; +}; + /* For Debug uses */ static const char *ResourceType(enum mlx4_resource rt) { @@ -221,6 +201,7 @@ static const char *ResourceType(enum mlx4_resource rt) case RES_MAC: return "RES_MAC"; case RES_EQ: return "RES_EQ"; case RES_COUNTER: return "RES_COUNTER"; + case RES_XRCD: return "RES_XRCD"; default: return "Unknown resource type !!!"; }; } @@ -254,16 +235,23 @@ int mlx4_init_resource_tracker(struct mlx4_dev *dev) return 0 ; } -void mlx4_free_resource_tracker(struct mlx4_dev *dev) +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) { - for (i = 0 ; i < dev->num_slaves; i++) - mlx4_delete_all_resources_for_slave(dev, i); - - kfree(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); + + if (type != RES_TR_FREE_SLAVES_ONLY) { + kfree(priv->mfunc.master.res_tracker.slave_list); + priv->mfunc.master.res_tracker.slave_list = NULL; + } } } @@ -471,6 +459,20 @@ static struct res_common *alloc_counter_tr(int id) 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_tr(int id, enum mlx4_resource type, int slave, int extra) { @@ -501,7 +503,9 @@ static struct res_common *alloc_tr(int id, enum mlx4_resource type, int slave, case RES_COUNTER: ret = alloc_counter_tr(id); break; - + case RES_XRCD: + ret = alloc_xrcdn_tr(id); + break; default: return NULL; } @@ -624,6 +628,16 @@ static int remove_counter_ok(struct res_counter *res) 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_cq_ok(struct res_cq *res) { if (res->com.state == RES_CQ_BUSY) @@ -663,6 +677,8 @@ static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) 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); default: return -EINVAL; } @@ -1269,6 +1285,50 @@ static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, return 0; } +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_counter_alloc(dev, &index); + if (err) + return err; + + err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0); + if (err) + __mlx4_counter_free(dev, index); + 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, @@ -1314,6 +1374,16 @@ int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, vhcr->in_param, &vhcr->out_param); 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; @@ -1496,6 +1566,44 @@ static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, return 0; } +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); + + 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, @@ -1541,6 +1649,15 @@ int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, vhcr->in_param, &vhcr->out_param); 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; } @@ -2536,7 +2653,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_qp qp; /* dummy for calling attach/detach */ u8 *gid = inbox->buf; enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; - int err, err1; + int err; int qpn; struct res_qp *rqp; int attach = vhcr->op_modifier; @@ -2571,7 +2688,7 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, ex_rem: /* ignore error return below, already in error */ - err1 = rem_mcg_res(dev, slave, rqp, gid, prot, type); + (void) rem_mcg_res(dev, slave, rqp, gid, prot, type); ex_put: put_res(dev, slave, qpn, RES_QP); @@ -2604,13 +2721,12 @@ static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) { struct res_gid *rgid; struct res_gid *tmp; - int err; struct mlx4_qp qp; /* dummy for calling attach/detach */ list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { qp.qpn = rqp->local_qpn; - err = mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot, - rgid->steer); + (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, rgid->prot, + rgid->steer); list_del(&rgid->list); kfree(rgid); } @@ -3036,14 +3152,13 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave) MLX4_CMD_HW2SW_EQ, MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); - mlx4_dbg(dev, "rem_slave_eqs: failed" - " to move slave %d eqs %d to" - " SW ownership\n", slave, eqn); + 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); - if (!err) { - atomic_dec(&eq->mtt->ref_count); - state = RES_EQ_RESERVED; - } + atomic_dec(&eq->mtt->ref_count); + state = RES_EQ_RESERVED; break; default: @@ -3056,6 +3171,64 @@ static void rem_slave_eqs(struct mlx4_dev *dev, int slave) 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 to " + "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; + radix_tree_delete(&tracker->res_tree[RES_COUNTER], index); + list_del(&counter->com.list); + kfree(counter); + __mlx4_counter_free(dev, index); + } + } + 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 to " + "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; + radix_tree_delete(&tracker->res_tree[RES_XRCD], xrcdn); + 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); @@ -3069,5 +3242,7 @@ void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int 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); } |