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path: root/drivers/net/ethernet/mellanox/mlx4/eq.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/eq.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/eq.c100
1 files changed, 58 insertions, 42 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 3d275fbaf0eb..264bc15c1ff2 100644
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -88,6 +88,8 @@ static u64 get_async_ev_mask(struct mlx4_dev *dev)
u64 async_ev_mask = MLX4_ASYNC_EVENT_MASK;
if (dev->caps.flags & MLX4_DEV_CAP_FLAG_PORT_MNG_CHG_EV)
async_ev_mask |= (1ull << MLX4_EVENT_TYPE_PORT_MNG_CHG_EVENT);
+ if (dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_RECOVERABLE_ERROR_EVENT)
+ async_ev_mask |= (1ull << MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT);
return async_ev_mask;
}
@@ -237,7 +239,7 @@ int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port)
struct mlx4_eqe eqe;
/*don't send if we don't have the that slave */
- if (dev->num_vfs < slave)
+ if (dev->persist->num_vfs < slave)
return 0;
memset(&eqe, 0, sizeof eqe);
@@ -255,7 +257,7 @@ int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port,
struct mlx4_eqe eqe;
/*don't send if we don't have the that slave */
- if (dev->num_vfs < slave)
+ if (dev->persist->num_vfs < slave)
return 0;
memset(&eqe, 0, sizeof eqe);
@@ -310,7 +312,7 @@ static void set_all_slave_state(struct mlx4_dev *dev, u8 port, int event)
struct mlx4_slaves_pport slaves_pport = mlx4_phys_to_slaves_pport(dev,
port);
- for (i = 0; i < dev->num_vfs + 1; i++)
+ for (i = 0; i < dev->persist->num_vfs + 1; i++)
if (test_bit(i, slaves_pport.slaves))
set_and_calc_slave_port_state(dev, i, port,
event, &gen_event);
@@ -429,8 +431,14 @@ void mlx4_master_handle_slave_flr(struct work_struct *work)
if (MLX4_COMM_CMD_FLR == slave_state[i].last_cmd) {
mlx4_dbg(dev, "mlx4_handle_slave_flr: clean slave: %d\n",
i);
-
- mlx4_delete_all_resources_for_slave(dev, i);
+ /* In case of 'Reset flow' FLR can be generated for
+ * a slave before mlx4_load_one is done.
+ * make sure interface is up before trying to delete
+ * slave resources which weren't allocated yet.
+ */
+ if (dev->persist->interface_state &
+ MLX4_INTERFACE_STATE_UP)
+ mlx4_delete_all_resources_for_slave(dev, i);
/*return the slave to running mode*/
spin_lock_irqsave(&priv->mfunc.master.slave_state_lock, flags);
slave_state[i].last_cmd = MLX4_COMM_CMD_RESET;
@@ -560,7 +568,8 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
mlx4_priv(dev)->sense.do_sense_port[port] = 1;
if (!mlx4_is_master(dev))
break;
- for (i = 0; i < dev->num_vfs + 1; i++) {
+ for (i = 0; i < dev->persist->num_vfs + 1;
+ i++) {
if (!test_bit(i, slaves_port.slaves))
continue;
if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) {
@@ -596,7 +605,9 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
if (!mlx4_is_master(dev))
break;
if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
- for (i = 0; i < dev->num_vfs + 1; i++) {
+ for (i = 0;
+ i < dev->persist->num_vfs + 1;
+ i++) {
if (!test_bit(i, slaves_port.slaves))
continue;
if (i == mlx4_master_func_num(dev))
@@ -727,6 +738,26 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
(unsigned long) eqe);
break;
+ case MLX4_EVENT_TYPE_RECOVERABLE_ERROR_EVENT:
+ switch (eqe->subtype) {
+ case MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_BAD_CABLE:
+ mlx4_warn(dev, "Bad cable detected on port %u\n",
+ eqe->event.bad_cable.port);
+ break;
+ case MLX4_RECOVERABLE_ERROR_EVENT_SUBTYPE_UNSUPPORTED_CABLE:
+ mlx4_warn(dev, "Unsupported cable detected\n");
+ break;
+ default:
+ mlx4_dbg(dev,
+ "Unhandled recoverable error event detected: %02x(%02x) on EQ %d at index %u. owner=%x, nent=0x%x, ownership=%s\n",
+ eqe->type, eqe->subtype, eq->eqn,
+ eq->cons_index, eqe->owner, eq->nent,
+ !!(eqe->owner & 0x80) ^
+ !!(eq->cons_index & eq->nent) ? "HW" : "SW");
+ break;
+ }
+ break;
+
case MLX4_EVENT_TYPE_EEC_CATAS_ERROR:
case MLX4_EVENT_TYPE_ECC_DETECT:
default:
@@ -837,12 +868,10 @@ static int mlx4_SW2HW_EQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
MLX4_CMD_WRAPPED);
}
-static int mlx4_HW2SW_EQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
- int eq_num)
+static int mlx4_HW2SW_EQ(struct mlx4_dev *dev, int eq_num)
{
- return mlx4_cmd_box(dev, 0, mailbox->dma, eq_num,
- 0, MLX4_CMD_HW2SW_EQ, MLX4_CMD_TIME_CLASS_A,
- MLX4_CMD_WRAPPED);
+ return mlx4_cmd(dev, 0, eq_num, 1, MLX4_CMD_HW2SW_EQ,
+ MLX4_CMD_TIME_CLASS_A, MLX4_CMD_WRAPPED);
}
static int mlx4_num_eq_uar(struct mlx4_dev *dev)
@@ -865,7 +894,7 @@ static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq)
if (!priv->eq_table.uar_map[index]) {
priv->eq_table.uar_map[index] =
- ioremap(pci_resource_start(dev->pdev, 2) +
+ ioremap(pci_resource_start(dev->persist->pdev, 2) +
((eq->eqn / 4) << PAGE_SHIFT),
PAGE_SIZE);
if (!priv->eq_table.uar_map[index]) {
@@ -928,8 +957,10 @@ static int mlx4_create_eq(struct mlx4_dev *dev, int nent,
eq_context = mailbox->buf;
for (i = 0; i < npages; ++i) {
- eq->page_list[i].buf = dma_alloc_coherent(&dev->pdev->dev,
- PAGE_SIZE, &t, GFP_KERNEL);
+ eq->page_list[i].buf = dma_alloc_coherent(&dev->persist->
+ pdev->dev,
+ PAGE_SIZE, &t,
+ GFP_KERNEL);
if (!eq->page_list[i].buf)
goto err_out_free_pages;
@@ -995,7 +1026,7 @@ err_out_free_eq:
err_out_free_pages:
for (i = 0; i < npages; ++i)
if (eq->page_list[i].buf)
- dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+ dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
eq->page_list[i].buf,
eq->page_list[i].map);
@@ -1013,7 +1044,6 @@ static void mlx4_free_eq(struct mlx4_dev *dev,
struct mlx4_eq *eq)
{
struct mlx4_priv *priv = mlx4_priv(dev);
- struct mlx4_cmd_mailbox *mailbox;
int err;
int i;
/* CX3 is capable of extending the CQE/EQE from 32 to 64 bytes, with
@@ -1021,36 +1051,21 @@ static void mlx4_free_eq(struct mlx4_dev *dev,
*/
int npages = PAGE_ALIGN(dev->caps.eqe_size * eq->nent) / PAGE_SIZE;
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox))
- return;
-
- err = mlx4_HW2SW_EQ(dev, mailbox, eq->eqn);
+ err = mlx4_HW2SW_EQ(dev, eq->eqn);
if (err)
mlx4_warn(dev, "HW2SW_EQ failed (%d)\n", err);
- if (0) {
- mlx4_dbg(dev, "Dumping EQ context %02x:\n", eq->eqn);
- for (i = 0; i < sizeof (struct mlx4_eq_context) / 4; ++i) {
- if (i % 4 == 0)
- pr_cont("[%02x] ", i * 4);
- pr_cont(" %08x", be32_to_cpup(mailbox->buf + i * 4));
- if ((i + 1) % 4 == 0)
- pr_cont("\n");
- }
- }
synchronize_irq(eq->irq);
tasklet_disable(&eq->tasklet_ctx.task);
mlx4_mtt_cleanup(dev, &eq->mtt);
for (i = 0; i < npages; ++i)
- dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
- eq->page_list[i].buf,
- eq->page_list[i].map);
+ dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
+ eq->page_list[i].buf,
+ eq->page_list[i].map);
kfree(eq->page_list);
mlx4_bitmap_free(&priv->eq_table.bitmap, eq->eqn, MLX4_USE_RR);
- mlx4_free_cmd_mailbox(dev, mailbox);
}
static void mlx4_free_irqs(struct mlx4_dev *dev)
@@ -1060,7 +1075,7 @@ static void mlx4_free_irqs(struct mlx4_dev *dev)
int i, vec;
if (eq_table->have_irq)
- free_irq(dev->pdev->irq, dev);
+ free_irq(dev->persist->pdev->irq, dev);
for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
if (eq_table->eq[i].have_irq) {
@@ -1089,7 +1104,8 @@ static int mlx4_map_clr_int(struct mlx4_dev *dev)
{
struct mlx4_priv *priv = mlx4_priv(dev);
- priv->clr_base = ioremap(pci_resource_start(dev->pdev, priv->fw.clr_int_bar) +
+ priv->clr_base = ioremap(pci_resource_start(dev->persist->pdev,
+ priv->fw.clr_int_bar) +
priv->fw.clr_int_base, MLX4_CLR_INT_SIZE);
if (!priv->clr_base) {
mlx4_err(dev, "Couldn't map interrupt clear register, aborting\n");
@@ -1212,13 +1228,13 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
i * MLX4_IRQNAME_SIZE,
MLX4_IRQNAME_SIZE,
"mlx4-comp-%d@pci:%s", i,
- pci_name(dev->pdev));
+ pci_name(dev->persist->pdev));
} else {
snprintf(priv->eq_table.irq_names +
i * MLX4_IRQNAME_SIZE,
MLX4_IRQNAME_SIZE,
"mlx4-async@pci:%s",
- pci_name(dev->pdev));
+ pci_name(dev->persist->pdev));
}
eq_name = priv->eq_table.irq_names +
@@ -1235,8 +1251,8 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
snprintf(priv->eq_table.irq_names,
MLX4_IRQNAME_SIZE,
DRV_NAME "@pci:%s",
- pci_name(dev->pdev));
- err = request_irq(dev->pdev->irq, mlx4_interrupt,
+ pci_name(dev->persist->pdev));
+ err = request_irq(dev->persist->pdev->irq, mlx4_interrupt,
IRQF_SHARED, priv->eq_table.irq_names, dev);
if (err)
goto err_out_async;
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