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Commit f54c77dd authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 

Pull infiniband fixes from Roland Dreier:
 "Small batch of fixes for 3.7:
   - Fix crash in error path in cxgb4
   - Fix build error on 32 bits in mlx4
   - Fix SR-IOV bugs in mlx4"

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  mlx4_core: Perform correct resource cleanup if mlx4_QUERY_ADAPTER() fails
  mlx4_core: Remove annoying debug messages from SR-IOV flow
  RDMA/cxgb4: Don't free chunk that we have failed to allocate
  IB/mlx4: Synchronize cleanup of MCGs in MCG paravirtualization
  IB/mlx4: Fix QP1 P_Key processing in the Primary Physical Function (PPF)
  IB/mlx4: Fix build error on platforms where UL is not 64 bits
parents 1d47091a 1e3474d1

drivers/infiniband/hw/cxgb4/mem.c

+1 −1
Original line number Diff line number Diff line
@@ -468,7 +468,7 @@ struct ib_mr *c4iw_register_phys_mem(struct ib_pd *pd, 
	ret = alloc_pbl(mhp, npages);

	if (ret) {

		kfree(page_list);

		goto err_pbl;

		goto err;

	}



	ret = write_pbl(&mhp->rhp->rdev, page_list, mhp->attr.pbl_addr,

drivers/infiniband/hw/mlx4/alias_GUID.c

+1 −1
Original line number Diff line number Diff line
@@ -107,7 +107,7 @@ static __be64 get_cached_alias_guid(struct mlx4_ib_dev *dev, int port, int index 
{

	if (index >= NUM_ALIAS_GUID_PER_PORT) {

		pr_err("%s: ERROR: asked for index:%d\n", __func__, index);

		return  (__force __be64) ((u64) 0xFFFFFFFFFFFFFFFFUL);

		return (__force __be64) -1;

	}

	return *(__be64 *)&dev->sriov.demux[port - 1].guid_cache[index];

}

drivers/infiniband/hw/mlx4/mad.c

+40 −45
Original line number Diff line number Diff line
@@ -409,38 +409,45 @@ int mlx4_ib_find_real_gid(struct ib_device *ibdev, u8 port, __be64 guid) 
}





static int get_pkey_phys_indices(struct mlx4_ib_dev *ibdev, u8 port, u8 ph_pkey_ix,

				 u8 *full_pk_ix, u8 *partial_pk_ix,

				 int *is_full_member)

static int find_slave_port_pkey_ix(struct mlx4_ib_dev *dev, int slave,

				   u8 port, u16 pkey, u16 *ix)

{

	u16 search_pkey;

	int fm;

	int err = 0;

	u16 pk;

	int i, ret;

	u8 unassigned_pkey_ix, pkey_ix, partial_ix = 0xFF;

	u16 slot_pkey;



	err = ib_get_cached_pkey(&ibdev->ib_dev, port, ph_pkey_ix, &search_pkey);

	if (err)

		return err;

	if (slave == mlx4_master_func_num(dev->dev))

		return ib_find_cached_pkey(&dev->ib_dev, port, pkey, ix);



	fm = (search_pkey & 0x8000) ? 1 : 0;

	if (fm) {

		*full_pk_ix = ph_pkey_ix;

		search_pkey &= 0x7FFF;

	unassigned_pkey_ix = dev->dev->phys_caps.pkey_phys_table_len[port] - 1;



	for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) {

		if (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == unassigned_pkey_ix)

			continue;



		pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][i];



		ret = ib_get_cached_pkey(&dev->ib_dev, port, pkey_ix, &slot_pkey);

		if (ret)

			continue;

		if ((slot_pkey & 0x7FFF) == (pkey & 0x7FFF)) {

			if (slot_pkey & 0x8000) {

				*ix = (u16) pkey_ix;

				return 0;

			} else {

		*partial_pk_ix = ph_pkey_ix;

		search_pkey |= 0x8000;

				/* take first partial pkey index found */

				if (partial_ix == 0xFF)

					partial_ix = pkey_ix;

			}

		}

	}



	if (ib_find_exact_cached_pkey(&ibdev->ib_dev, port, search_pkey, &pk))

		pk = 0xFFFF;



	if (fm)

		*partial_pk_ix = (pk & 0xFF);

	else

		*full_pk_ix = (pk & 0xFF);

	if (partial_ix < 0xFF) {

		*ix = (u16) partial_ix;

		return 0;

	}



	*is_full_member = fm;

	return err;

	return -EINVAL;

}



int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port,
@@ -458,10 +465,8 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 
	unsigned tun_tx_ix = 0;

	int dqpn;

	int ret = 0;

	int i;

	int is_full_member = 0;

	u16 tun_pkey_ix;

	u8 ph_pkey_ix, full_pk_ix = 0, partial_pk_ix = 0;

	u16 cached_pkey;



	if (dest_qpt > IB_QPT_GSI)

		return -EINVAL;
@@ -481,27 +486,17 @@ int mlx4_ib_send_to_slave(struct mlx4_ib_dev *dev, int slave, u8 port, 
	else

		tun_qp = &tun_ctx->qp[1];



	/* compute pkey index for slave */

	/* get physical pkey -- virtualized Dom0 pkey to phys*/

	/* compute P_Key index to put in tunnel header for slave */

	if (dest_qpt) {

		ph_pkey_ix =

			dev->pkeys.virt2phys_pkey[mlx4_master_func_num(dev->dev)][port - 1][wc->pkey_index];



		/* now, translate this to the slave pkey index */

		ret = get_pkey_phys_indices(dev, port, ph_pkey_ix, &full_pk_ix,

					    &partial_pk_ix, &is_full_member);

		u16 pkey_ix;

		ret = ib_get_cached_pkey(&dev->ib_dev, port, wc->pkey_index, &cached_pkey);

		if (ret)

			return -EINVAL;



		for (i = 0; i < dev->dev->caps.pkey_table_len[port]; i++) {

			if ((dev->pkeys.virt2phys_pkey[slave][port - 1][i] == full_pk_ix) ||

			    (is_full_member &&

			     (dev->pkeys.virt2phys_pkey[slave][port - 1][i] == partial_pk_ix)))

				break;

		}

		if (i == dev->dev->caps.pkey_table_len[port])

		ret = find_slave_port_pkey_ix(dev, slave, port, cached_pkey, &pkey_ix);

		if (ret)

			return -EINVAL;

		tun_pkey_ix = i;

		tun_pkey_ix = pkey_ix;

	} else

		tun_pkey_ix = dev->pkeys.virt2phys_pkey[slave][port - 1][0];

drivers/infiniband/hw/mlx4/mcg.c

+10 −8
Original line number Diff line number Diff line
@@ -233,7 +233,8 @@ static int send_mad_to_slave(int slave, struct mlx4_ib_demux_ctx *ctx, 


	ib_query_ah(dev->sm_ah[ctx->port - 1], &ah_attr);



	wc.pkey_index = 0;

	if (ib_find_cached_pkey(&dev->ib_dev, ctx->port, IB_DEFAULT_PKEY_FULL, &wc.pkey_index))

		return -EINVAL;

	wc.sl = 0;

	wc.dlid_path_bits = 0;

	wc.port_num = ctx->port;
@@ -1074,10 +1075,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy 
	unsigned long end;

	int count;



	if (ctx->flushing)

		return;



	ctx->flushing = 1;

	for (i = 0; i < MAX_VFS; ++i)

		clean_vf_mcast(ctx, i);
@@ -1107,9 +1104,6 @@ static void _mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy 
		force_clean_group(group);

	}

	mutex_unlock(&ctx->mcg_table_lock);



	if (!destroy_wq)

		ctx->flushing = 0;

}



struct clean_work {
@@ -1123,6 +1117,7 @@ static void mcg_clean_task(struct work_struct *work) 
	struct clean_work *cw = container_of(work, struct clean_work, work);



	_mlx4_ib_mcg_port_cleanup(cw->ctx, cw->destroy_wq);

	cw->ctx->flushing = 0;

	kfree(cw);

}
@@ -1130,13 +1125,20 @@ void mlx4_ib_mcg_port_cleanup(struct mlx4_ib_demux_ctx *ctx, int destroy_wq) 
{

	struct clean_work *work;



	if (ctx->flushing)

		return;



	ctx->flushing = 1;



	if (destroy_wq) {

		_mlx4_ib_mcg_port_cleanup(ctx, destroy_wq);

		ctx->flushing = 0;

		return;

	}



	work = kmalloc(sizeof *work, GFP_KERNEL);

	if (!work) {

		ctx->flushing = 0;

		mcg_warn("failed allocating work for cleanup\n");

		return;

	}

drivers/net/ethernet/mellanox/mlx4/eq.c

+0 −6
Original line number Diff line number Diff line
@@ -329,9 +329,6 @@ int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, 
	ctx = &priv->mfunc.master.slave_state[slave];

	spin_lock_irqsave(&ctx->lock, flags);



	mlx4_dbg(dev, "%s: slave: %d, current state: %d new event :%d\n",

		 __func__, slave, cur_state, event);



	switch (cur_state) {

	case SLAVE_PORT_DOWN:

		if (MLX4_PORT_STATE_DEV_EVENT_PORT_UP == event)
@@ -366,9 +363,6 @@ int set_and_calc_slave_port_state(struct mlx4_dev *dev, int slave, 
			goto out;

	}

	ret = mlx4_get_slave_port_state(dev, slave, port);

	mlx4_dbg(dev, "%s: slave: %d, current state: %d new event"

		 " :%d gen_event: %d\n",

		 __func__, slave, cur_state, event, *gen_event);



out:

	spin_unlock_irqrestore(&ctx->lock, flags);