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;
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;
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)
{
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 !!!";
};
}
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;
+ }
}
}
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)
{
case RES_COUNTER:
ret = alloc_counter_tr(id);
break;
-
+ case RES_XRCD:
+ ret = alloc_xrcdn_tr(id);
+ break;
default:
return NULL;
}
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)
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;
}
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,
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;
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,
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;
}
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;
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);
{
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);
}
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:
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);
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);
}
projects / firefly-linux-kernel-4.4.55.git / blobdiff