#include <linux/mlx4/cmd.h>
#include <linux/semaphore.h>
+#include <rdma/ib_smi.h>
#include <asm/io.h>
MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE);
}
+static int query_pkey_block(struct mlx4_dev *dev, u8 port, u16 index, u16 *pkey,
+ struct mlx4_cmd_mailbox *inbox,
+ struct mlx4_cmd_mailbox *outbox)
+{
+ struct ib_smp *in_mad = (struct ib_smp *)(inbox->buf);
+ struct ib_smp *out_mad = (struct ib_smp *)(outbox->buf);
+ int err;
+ int i;
+
+ if (index & 0x1f)
+ return -EINVAL;
+
+ in_mad->attr_mod = cpu_to_be32(index / 32);
+
+ err = mlx4_cmd_box(dev, inbox->dma, outbox->dma, port, 3,
+ MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C,
+ MLX4_CMD_NATIVE);
+ if (err)
+ return err;
+
+ for (i = 0; i < 32; ++i)
+ pkey[i] = be16_to_cpu(((__be16 *) out_mad->data)[i]);
+
+ return err;
+}
+
+static int get_full_pkey_table(struct mlx4_dev *dev, u8 port, u16 *table,
+ struct mlx4_cmd_mailbox *inbox,
+ struct mlx4_cmd_mailbox *outbox)
+{
+ int i;
+ int err;
+
+ for (i = 0; i < dev->caps.pkey_table_len[port]; i += 32) {
+ err = query_pkey_block(dev, port, i, table + i, inbox, outbox);
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+#define PORT_CAPABILITY_LOCATION_IN_SMP 20
+#define PORT_STATE_OFFSET 32
+
+static enum ib_port_state vf_port_state(struct mlx4_dev *dev, int port, int vf)
+{
+ if (mlx4_get_slave_port_state(dev, vf, port) == SLAVE_PORT_UP)
+ return IB_PORT_ACTIVE;
+ else
+ return IB_PORT_DOWN;
+}
+
+static int mlx4_MAD_IFC_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 ib_smp *smp = inbox->buf;
+ u32 index;
+ u8 port;
+ u16 *table;
+ int err;
+ int vidx, pidx;
+ struct mlx4_priv *priv = mlx4_priv(dev);
+ struct ib_smp *outsmp = outbox->buf;
+ __be16 *outtab = (__be16 *)(outsmp->data);
+ __be32 slave_cap_mask;
+ port = vhcr->in_modifier;
+
+ if (smp->base_version == 1 &&
+ smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED &&
+ smp->class_version == 1) {
+ if (smp->method == IB_MGMT_METHOD_GET) {
+ if (smp->attr_id == IB_SMP_ATTR_PKEY_TABLE) {
+ index = be32_to_cpu(smp->attr_mod);
+ if (port < 1 || port > dev->caps.num_ports)
+ return -EINVAL;
+ table = kcalloc(dev->caps.pkey_table_len[port], sizeof *table, GFP_KERNEL);
+ if (!table)
+ return -ENOMEM;
+ /* need to get the full pkey table because the paravirtualized
+ * pkeys may be scattered among several pkey blocks.
+ */
+ err = get_full_pkey_table(dev, port, table, inbox, outbox);
+ if (!err) {
+ for (vidx = index * 32; vidx < (index + 1) * 32; ++vidx) {
+ pidx = priv->virt2phys_pkey[slave][port - 1][vidx];
+ outtab[vidx % 32] = cpu_to_be16(table[pidx]);
+ }
+ }
+ kfree(table);
+ return err;
+ }
+ if (smp->attr_id == IB_SMP_ATTR_PORT_INFO) {
+ /*get the slave specific caps:*/
+ /*do the command */
+ err = mlx4_cmd_box(dev, inbox->dma, outbox->dma,
+ vhcr->in_modifier, vhcr->op_modifier,
+ vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
+ /* modify the response for slaves */
+ if (!err && slave != mlx4_master_func_num(dev)) {
+ u8 *state = outsmp->data + PORT_STATE_OFFSET;
+
+ *state = (*state & 0xf0) | vf_port_state(dev, port, slave);
+ slave_cap_mask = priv->mfunc.master.slave_state[slave].ib_cap_mask[port];
+ memcpy(outsmp->data + PORT_CAPABILITY_LOCATION_IN_SMP, &slave_cap_mask, 4);
+ }
+ return err;
+ }
+ if (smp->attr_id == IB_SMP_ATTR_GUID_INFO) {
+ /* compute slave's gid block */
+ smp->attr_mod = cpu_to_be32(slave / 8);
+ /* execute cmd */
+ err = mlx4_cmd_box(dev, inbox->dma, outbox->dma,
+ vhcr->in_modifier, vhcr->op_modifier,
+ vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
+ if (!err) {
+ /* if needed, move slave gid to index 0 */
+ if (slave % 8)
+ memcpy(outsmp->data,
+ outsmp->data + (slave % 8) * 8, 8);
+ /* delete all other gids */
+ memset(outsmp->data + 8, 0, 56);
+ }
+ return err;
+ }
+ }
+ }
+ if (slave != mlx4_master_func_num(dev) &&
+ ((smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) ||
+ (smp->mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED &&
+ smp->method == IB_MGMT_METHOD_SET))) {
+ mlx4_err(dev, "slave %d is trying to execute a Subnet MGMT MAD, "
+ "class 0x%x, method 0x%x for attr 0x%x. Rejecting\n",
+ slave, smp->method, smp->mgmt_class,
+ be16_to_cpu(smp->attr_id));
+ return -EPERM;
+ }
+ /*default:*/
+ return mlx4_cmd_box(dev, inbox->dma, outbox->dma,
+ vhcr->in_modifier, vhcr->op_modifier,
+ vhcr->op, MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE);
+}
+
int mlx4_DMA_wrapper(struct mlx4_dev *dev, int slave,
struct mlx4_vhcr *vhcr,
struct mlx4_cmd_mailbox *inbox,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_INIT2INIT_QP_wrapper
},
{
.opcode = MLX4_CMD_INIT2RTR_QP,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_RTR2RTS_QP_wrapper
},
{
.opcode = MLX4_CMD_RTS2RTS_QP,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_RTS2RTS_QP_wrapper
},
{
.opcode = MLX4_CMD_SQERR2RTS_QP,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_SQERR2RTS_QP_wrapper
},
{
.opcode = MLX4_CMD_2ERR_QP,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_SQD2SQD_QP_wrapper
},
{
.opcode = MLX4_CMD_SQD2RTS_QP,
.out_is_imm = false,
.encode_slave_id = false,
.verify = NULL,
- .wrapper = mlx4_GEN_QP_wrapper
+ .wrapper = mlx4_SQD2RTS_QP_wrapper
},
{
.opcode = MLX4_CMD_2RST_QP,
.verify = NULL,
.wrapper = mlx4_GEN_QP_wrapper
},
+ {
+ .opcode = MLX4_CMD_CONF_SPECIAL_QP,
+ .has_inbox = false,
+ .has_outbox = false,
+ .out_is_imm = false,
+ .encode_slave_id = false,
+ .verify = NULL, /* XXX verify: only demux can do this */
+ .wrapper = NULL
+ },
+ {
+ .opcode = MLX4_CMD_MAD_IFC,
+ .has_inbox = true,
+ .has_outbox = true,
+ .out_is_imm = false,
+ .encode_slave_id = false,
+ .verify = NULL,
+ .wrapper = mlx4_MAD_IFC_wrapper
+ },
{
.opcode = MLX4_CMD_QUERY_IF_STAT,
.has_inbox = false,
if (MLX4_COMM_CMD_FLR == slave_state[slave].last_cmd)
goto inform_slave_state;
+ mlx4_dispatch_event(dev, MLX4_DEV_EVENT_SLAVE_SHUTDOWN, slave);
+
/* write the version in the event field */
reply |= mlx4_comm_get_version();
goto reset_slave;
slave_state[slave].vhcr_dma |= param;
slave_state[slave].active = true;
+ mlx4_dispatch_event(dev, MLX4_DEV_EVENT_SLAVE_INIT, slave);
break;
case MLX4_COMM_CMD_VHCR_POST:
if ((slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_EN) &&
INIT_WORK(&priv->mfunc.master.slave_flr_event_work,
mlx4_master_handle_slave_flr);
spin_lock_init(&priv->mfunc.master.slave_state_lock);
+ spin_lock_init(&priv->mfunc.master.slave_eq.event_lock);
priv->mfunc.master.comm_wq =
create_singlethread_workqueue("mlx4_comm");
if (!priv->mfunc.master.comm_wq)
projects / cascardo / linux.git / blobdiff