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Date: Thu, 04 Feb 2010 17:57:01 +0200
From: Yevgeny Petrilin <yevgenyp@...lanox.co.il>
To: Roland Dreier <rdreier@...co.com>
CC: general@...ts.openfabrics.org, netdev@...r.kernel.org,
liranl@...lanox.co.il, tziporet@...lanox.co.il
Subject: [PATCH 20/23 v3] mlx4_core: binding virtual function to physical
function
Signed-off-by: Yevgeny Petrilin <yevgenyp@...lanox.co.il>
---
drivers/net/mlx4/cmd.c | 8 ++++++++
drivers/net/mlx4/fw.c | 23 +++++++++++++++++++++++
drivers/net/mlx4/fw.h | 1 +
drivers/net/mlx4/main.c | 4 ++--
drivers/net/mlx4/mcg.c | 3 ++-
drivers/net/mlx4/mlx4.h | 2 ++
drivers/net/mlx4/port.c | 5 +++--
include/linux/mlx4/cmd.h | 1 +
8 files changed, 42 insertions(+), 5 deletions(-)
diff --git a/drivers/net/mlx4/cmd.c b/drivers/net/mlx4/cmd.c
index e437d74..2605344 100644
--- a/drivers/net/mlx4/cmd.c
+++ b/drivers/net/mlx4/cmd.c
@@ -422,9 +422,11 @@ static int mlx4_RESOURCE_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh
struct mlx4_cmd_mailbox *inbox,
struct mlx4_cmd_mailbox *outbox)
{
+ struct mlx4_priv *priv = mlx4_priv(dev);
u32 param1 = *((u32 *) &vhcr->in_param);
u32 param2 = *(((u32 *) &vhcr->in_param) + 1);
int ret;
+ u8 pf_num = priv->mfunc.master.slave_state[slave].pf_num;
#if 0
char *res[] = {"QP", "CQ", "SRQ", "MPT", "MTT"};
@@ -507,6 +509,7 @@ static int mlx4_RESOURCE_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vh
mlx4_free_mtt_range(dev, param1 /* first */, param2 /* order */);
break;
case RES_MAC:
+ vhcr->in_param |= (u64) (pf_num) << 48;
switch (vhcr->op) {
case MLX4_CMD_ALLOC_RES:
ret = mlx4_register_mac(dev, vhcr->op_modifier,
@@ -1119,6 +1122,11 @@ static void mlx4_master_do_cmd(struct mlx4_dev *dev, int slave, u8 cmd, u16 para
if (slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR2)
goto reset_slave;
slave_state[slave].vhcr_dma |= param;
+ if (mlx4_QUERY_FUNC(dev, slave, &slave_state[slave].pf_num)) {
+ mlx4_err(dev, "Failed to determine physical function "
+ "number for slave %d\n", slave);
+ goto reset_slave;
+ }
break;
case MLX4_COMM_CMD_VHCR_POST:
if ((slave_state[slave].last_cmd != MLX4_COMM_CMD_VHCR_EN) &&
diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 202a256..18294c3 100644
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -1038,3 +1038,26 @@ int mlx4_NOP(struct mlx4_dev *dev)
/* Input modifier of 0x1f means "finish as soon as possible." */
return mlx4_cmd(dev, 0, 0x1f, 0, MLX4_CMD_NOP, 100);
}
+
+int mlx4_QUERY_FUNC(struct mlx4_dev *dev, int func, u8 *pf_num)
+{
+ struct mlx4_cmd_mailbox *mailbox;
+ u8 *outbox;
+ int ret;
+
+ mailbox = mlx4_alloc_cmd_mailbox(dev);
+ if (IS_ERR(mailbox))
+ return PTR_ERR(mailbox);
+ outbox = mailbox->buf;
+
+ ret = mlx4_cmd_box(dev, 0, mailbox->dma, func & 0xff, 0,
+ MLX4_CMD_QUERY_FUNC, MLX4_CMD_TIME_CLASS_A);
+ if (ret)
+ goto out;
+
+ *pf_num = outbox[3];
+
+out:
+ mlx4_free_cmd_mailbox(dev, mailbox);
+ return ret;
+}
diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index e033d26..4ec92f4 100644
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -181,5 +181,6 @@ int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm);
int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev);
int mlx4_NOP(struct mlx4_dev *dev);
int mlx4_MOD_STAT_CFG(struct mlx4_dev *dev, struct mlx4_mod_stat_cfg *cfg);
+int mlx4_QUERY_FUNC(struct mlx4_dev *dev, int func, u8 *pf_num);
#endif /* MLX4_FW_H */
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index d825cc1..b57bac2 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -276,7 +276,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
}
}
- mlx4_set_port_mask(dev, &dev->caps, dev->caps.pf_num);
+ mlx4_set_port_mask(dev, &dev->caps, dev->caps.function);
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW] = dev_cap->reserved_qps;
dev->caps.reserved_qps_cnt[MLX4_QP_REGION_ETH_ADDR] =
@@ -389,7 +389,7 @@ int mlx4_change_port_types(struct mlx4_dev *dev,
goto out;
}
}
- mlx4_set_port_mask(dev, &dev->caps, dev->caps.pf_num);
+ mlx4_set_port_mask(dev, &dev->caps, dev->caps.function);
err = mlx4_register_device(dev);
}
diff --git a/drivers/net/mlx4/mcg.c b/drivers/net/mlx4/mcg.c
index 9a678d2..4e2b422 100644
--- a/drivers/net/mlx4/mcg.c
+++ b/drivers/net/mlx4/mcg.c
@@ -361,9 +361,10 @@ int mlx4_MCAST_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr,
struct mlx4_qp qp; /* dummy for calling attach/detach */
u8 *gid = inbox->buf;
enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7;
+ u8 pf_num = mlx4_priv(dev)->mfunc.master.slave_state[slave].pf_num;
if (prot == MLX4_PROT_ETH)
- gid[7] = slave << 4;
+ gid[7] = pf_num << 4;
qp.qpn = vhcr->in_modifier & 0xffffff;
if (vhcr->op_modifier)
diff --git a/drivers/net/mlx4/mlx4.h b/drivers/net/mlx4/mlx4.h
index 1cc4c13..cdf6aff 100644
--- a/drivers/net/mlx4/mlx4.h
+++ b/drivers/net/mlx4/mlx4.h
@@ -238,6 +238,8 @@ struct mlx4_slave_state {
u8 comm_toggle;
u8 last_cmd;
u8 init_port_mask;
+ u8 pf_num;
+ u8 function;
dma_addr_t vhcr_dma;
u16 mtu[MLX4_MAX_PORTS + 1];
__be32 ib_cap_mask[MLX4_MAX_PORTS + 1];
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index e94a373..22a224e 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -104,7 +104,8 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
if (!err)
*qpn = out_param;
return err;
- }
+ } else
+ mac |= (u64) (dev->caps.function) << 48;
mlx4_dbg(dev, "Registering MAC: 0x%llx\n", (unsigned long long) mac);
mutex_lock(&table->mutex);
@@ -115,7 +116,7 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
}
if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) {
- /* MAC already registered, Must not have duplicates */
+ /* MAC + PF already registered, Must not have duplicates */
err = -EEXIST;
goto out;
}
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 9526dfd..0b68447 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -57,6 +57,7 @@ enum {
MLX4_CMD_QUERY_PORT = 0x43,
MLX4_CMD_SENSE_PORT = 0x4d,
MLX4_CMD_SET_PORT = 0xc,
+ MLX4_CMD_QUERY_FUNC = 0x56,
MLX4_CMD_ACCESS_DDR = 0x2e,
MLX4_CMD_MAP_ICM = 0xffa,
MLX4_CMD_UNMAP_ICM = 0xff9,
--
1.6.1.3
--
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