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Merge branches 'cma', 'ipoib', 'misc', 'mlx4', 'ocrdma', 'qib' and 'srp' into for-next

This commit is contained in:
Roland Dreier 2012-08-16 09:38:39 -07:00
parent 418edaaba9 6c723a68c6 142ad5db2b a0675a386a d549f55f2e 51fa3ca37e 220329916c
commit c0369b296e
17 changed files with 129 additions and 64 deletions
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2
drivers/infiniband/hw/amso1100/c2_rnic.c
View File

@ -439,7 +439,7 @@ static int c2_rnic_close(struct c2_dev *c2dev)
/*
* Called by c2_probe to initialize the RNIC. This principally
* involves initalizing the various limits and resouce pools that
* involves initializing the various limits and resource pools that
* comprise the RNIC instance.
*/
int __devinit c2_rnic_init(struct c2_dev *c2dev)

2
drivers/infiniband/hw/cxgb3/iwch_cm.c
View File

@ -1680,7 +1680,7 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
* T3A does 3 things when a TERM is received:
* 1) send up a CPL_RDMA_TERMINATE message with the TERM packet
* 2) generate an async event on the QP with the TERMINATE opcode
* 3) post a TERMINATE opcde cqe into the associated CQ.
* 3) post a TERMINATE opcode cqe into the associated CQ.
*
* For (1), we save the message in the qp for later consumer consumption.
* For (2), we move the QP into TERMINATE, post a QP event and disconnect.

16
drivers/infiniband/hw/mlx4/mad.c
View File

@ -125,6 +125,7 @@ static void update_sm_ah(struct mlx4_ib_dev *dev, u8 port_num, u16 lid, u8 sl)
{
struct ib_ah *new_ah;
struct ib_ah_attr ah_attr;
unsigned long flags;
if (!dev->send_agent[port_num - 1][0])
return;
@ -139,11 +140,11 @@ static void update_sm_ah(struct mlx4_ib_dev *dev, u8 port_num, u16 lid, u8 sl)
if (IS_ERR(new_ah))
return;
spin_lock(&dev->sm_lock);
spin_lock_irqsave(&dev->sm_lock, flags);
if (dev->sm_ah[port_num - 1])
ib_destroy_ah(dev->sm_ah[port_num - 1]);
dev->sm_ah[port_num - 1] = new_ah;
spin_unlock(&dev->sm_lock);
spin_unlock_irqrestore(&dev->sm_lock, flags);
}
/*
@ -197,13 +198,15 @@ static void smp_snoop(struct ib_device *ibdev, u8 port_num, struct ib_mad *mad,
static void node_desc_override(struct ib_device *dev,
struct ib_mad *mad)
{
unsigned long flags;
if ((mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_LID_ROUTED ||
mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) &&
mad->mad_hdr.method == IB_MGMT_METHOD_GET_RESP &&
mad->mad_hdr.attr_id == IB_SMP_ATTR_NODE_DESC) {
spin_lock(&to_mdev(dev)->sm_lock);
spin_lock_irqsave(&to_mdev(dev)->sm_lock, flags);
memcpy(((struct ib_smp *) mad)->data, dev->node_desc, 64);
spin_unlock(&to_mdev(dev)->sm_lock);
spin_unlock_irqrestore(&to_mdev(dev)->sm_lock, flags);
}
}
@ -213,6 +216,7 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma
struct ib_mad_send_buf *send_buf;
struct ib_mad_agent *agent = dev->send_agent[port_num - 1][qpn];
int ret;
unsigned long flags;
if (agent) {
send_buf = ib_create_send_mad(agent, qpn, 0, 0, IB_MGMT_MAD_HDR,
@ -225,13 +229,13 @@ static void forward_trap(struct mlx4_ib_dev *dev, u8 port_num, struct ib_mad *ma
* wrong following the IB spec strictly, but we know
* it's OK for our devices).
*/
spin_lock(&dev->sm_lock);
spin_lock_irqsave(&dev->sm_lock, flags);
memcpy(send_buf->mad, mad, sizeof *mad);
if ((send_buf->ah = dev->sm_ah[port_num - 1]))
ret = ib_post_send_mad(send_buf, NULL);
else
ret = -EINVAL;
spin_unlock(&dev->sm_lock);
spin_unlock_irqrestore(&dev->sm_lock, flags);
if (ret)
ib_free_send_mad(send_buf);

5
drivers/infiniband/hw/mlx4/main.c
View File

@ -423,6 +423,7 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
struct ib_device_modify *props)
{
struct mlx4_cmd_mailbox *mailbox;
unsigned long flags;
if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
return -EOPNOTSUPP;
@ -430,9 +431,9 @@ static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
return 0;
spin_lock(&to_mdev(ibdev)->sm_lock);
spin_lock_irqsave(&to_mdev(ibdev)->sm_lock, flags);
memcpy(ibdev->node_desc, props->node_desc, 64);
spin_unlock(&to_mdev(ibdev)->sm_lock);
spin_unlock_irqrestore(&to_mdev(ibdev)->sm_lock, flags);
/*
* If possible, pass node desc to FW, so it can generate

6
drivers/infiniband/hw/mlx4/qp.c
View File

@ -1407,6 +1407,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
struct mlx4_wqe_mlx_seg *mlx = wqe;
struct mlx4_wqe_inline_seg *inl = wqe + sizeof *mlx;
struct mlx4_ib_ah *ah = to_mah(wr->wr.ud.ah);
struct net_device *ndev;
union ib_gid sgid;
u16 pkey;
int send_size;
@ -1483,7 +1484,10 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
memcpy(sqp->ud_header.eth.dmac_h, ah->av.eth.mac, 6);
/* FIXME: cache smac value? */
smac = to_mdev(sqp->qp.ibqp.device)->iboe.netdevs[sqp->qp.port - 1]->dev_addr;
ndev = to_mdev(sqp->qp.ibqp.device)->iboe.netdevs[sqp->qp.port - 1];
if (!ndev)
return -ENODEV;
smac = ndev->dev_addr;
memcpy(sqp->ud_header.eth.smac_h, smac, 6);
if (!memcmp(sqp->ud_header.eth.smac_h, sqp->ud_header.eth.dmac_h, 6))
mlx->flags |= cpu_to_be32(MLX4_WQE_CTRL_FORCE_LOOPBACK);

16
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -161,7 +161,7 @@ static void ocrdma_add_default_sgid(struct ocrdma_dev *dev)
ocrdma_get_guid(dev, &sgid->raw[8]);
}
#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
#if IS_ENABLED(CONFIG_VLAN_8021Q)
static void ocrdma_add_vlan_sgids(struct ocrdma_dev *dev)
{
struct net_device *netdev, *tmp;
@ -202,14 +202,13 @@ static int ocrdma_build_sgid_tbl(struct ocrdma_dev *dev)
return 0;
}
#if IS_ENABLED(CONFIG_IPV6) || IS_ENABLED(CONFIG_VLAN_8021Q)
#if IS_ENABLED(CONFIG_IPV6)
static int ocrdma_inet6addr_event(struct notifier_block *notifier,
unsigned long event, void *ptr)
{
struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)ptr;
struct net_device *event_netdev = ifa->idev->dev;
struct net_device *netdev = NULL;
struct net_device *netdev = ifa->idev->dev;
struct ib_event gid_event;
struct ocrdma_dev *dev;
bool found = false;
@ -217,11 +216,12 @@ static int ocrdma_inet6addr_event(struct notifier_block *notifier,
bool is_vlan = false;
u16 vid = 0;
netdev = vlan_dev_real_dev(event_netdev);
if (netdev != event_netdev) {
is_vlan = true;
vid = vlan_dev_vlan_id(event_netdev);
is_vlan = netdev->priv_flags & IFF_802_1Q_VLAN;
if (is_vlan) {
vid = vlan_dev_vlan_id(netdev);
netdev = vlan_dev_real_dev(netdev);
}
rcu_read_lock();
list_for_each_entry_rcu(dev, &ocrdma_dev_list, entry) {
if (dev->nic_info.netdev == netdev) {

4
drivers/infiniband/hw/qib/qib_iba7322.c
View File

@ -6346,9 +6346,11 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
dd->piobcnt4k * dd->align4k;
dd->piovl15base = ioremap_nocache(vl15off,
NUM_VL15_BUFS * dd->align4k);
if (!dd->piovl15base)
if (!dd->piovl15base) {
ret = -ENOMEM;
goto bail;
}
}
qib_7322_set_baseaddrs(dd); /* set chip access pointers now */
ret = 0;

2
drivers/infiniband/hw/qib/qib_sd7220.c
View File

@ -372,7 +372,7 @@ static void qib_sd_trimdone_monitor(struct qib_devdata *dd,
/* Read CTRL reg for each channel to check TRIMDONE */
if (baduns & (1 << chn)) {
qib_dev_err(dd,
"Reseting TRIMDONE on chn %d (%s)\n",
"Resetting TRIMDONE on chn %d (%s)\n",
chn, where);
ret = qib_sd7220_reg_mod(dd, IB_7220_SERDES,
IB_CTRL2(chn), 0x10, 0x10);

3
drivers/infiniband/ulp/ipoib/ipoib_cm.c
View File

@ -1271,12 +1271,15 @@ struct ipoib_cm_tx *ipoib_cm_create_tx(struct net_device *dev, struct ipoib_path
void ipoib_cm_destroy_tx(struct ipoib_cm_tx *tx)
{
struct ipoib_dev_priv *priv = netdev_priv(tx->dev);
unsigned long flags;
if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &tx->flags)) {
spin_lock_irqsave(&priv->lock, flags);
list_move(&tx->list, &priv->cm.reap_list);
queue_work(ipoib_workqueue, &priv->cm.reap_task);
ipoib_dbg(priv, "Reap connection for gid %pI6\n",
tx->neigh->daddr + 4);
tx->neigh = NULL;
spin_unlock_irqrestore(&priv->lock, flags);
}
}

2
drivers/infiniband/ulp/ipoib/ipoib_main.c
View File

@ -1052,7 +1052,7 @@ void ipoib_neigh_free(struct ipoib_neigh *neigh)
for (n = rcu_dereference_protected(*np,
lockdep_is_held(&ntbl->rwlock));
n != NULL;
n = rcu_dereference_protected(neigh->hnext,
n = rcu_dereference_protected(*np,
lockdep_is_held(&ntbl->rwlock))) {
if (n == neigh) {
/* found */

85
drivers/infiniband/ulp/srp/ib_srp.c
View File

@ -586,24 +586,62 @@ static void srp_unmap_data(struct scsi_cmnd *scmnd,
scmnd->sc_data_direction);
}
static void srp_remove_req(struct srp_target_port *target,
struct srp_request *req, s32 req_lim_delta)
/**
* srp_claim_req - Take ownership of the scmnd associated with a request.
* @target: SRP target port.
* @req: SRP request.
* @scmnd: If NULL, take ownership of @req->scmnd. If not NULL, only take
* ownership of @req->scmnd if it equals @scmnd.
*
* Return value:
* Either NULL or a pointer to the SCSI command the caller became owner of.
*/
static struct scsi_cmnd *srp_claim_req(struct srp_target_port *target,
struct srp_request *req,
struct scsi_cmnd *scmnd)
{
unsigned long flags;
srp_unmap_data(req->scmnd, target, req);
spin_lock_irqsave(&target->lock, flags);
if (!scmnd) {
scmnd = req->scmnd;
req->scmnd = NULL;
} else if (req->scmnd == scmnd) {
req->scmnd = NULL;
} else {
scmnd = NULL;
}
spin_unlock_irqrestore(&target->lock, flags);
return scmnd;
}
/**
* srp_free_req() - Unmap data and add request to the free request list.
*/
static void srp_free_req(struct srp_target_port *target,
struct srp_request *req, struct scsi_cmnd *scmnd,
s32 req_lim_delta)
{
unsigned long flags;
srp_unmap_data(scmnd, target, req);
spin_lock_irqsave(&target->lock, flags);
target->req_lim += req_lim_delta;
req->scmnd = NULL;
list_add_tail(&req->list, &target->free_reqs);
spin_unlock_irqrestore(&target->lock, flags);
}
static void srp_reset_req(struct srp_target_port *target, struct srp_request *req)
{
req->scmnd->result = DID_RESET << 16;
req->scmnd->scsi_done(req->scmnd);
srp_remove_req(target, req, 0);
struct scsi_cmnd *scmnd = srp_claim_req(target, req, NULL);
if (scmnd) {
scmnd->result = DID_RESET << 16;
scmnd->scsi_done(scmnd);
srp_free_req(target, req, scmnd, 0);
}
}
static int srp_reconnect_target(struct srp_target_port *target)
@ -1073,11 +1111,18 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
complete(&target->tsk_mgmt_done);
} else {
req = &target->req_ring[rsp->tag];
scmnd = req->scmnd;
if (!scmnd)
scmnd = srp_claim_req(target, req, NULL);
if (!scmnd) {
shost_printk(KERN_ERR, target->scsi_host,
"Null scmnd for RSP w/tag %016llx\n",
(unsigned long long) rsp->tag);
spin_lock_irqsave(&target->lock, flags);
target->req_lim += be32_to_cpu(rsp->req_lim_delta);
spin_unlock_irqrestore(&target->lock, flags);
return;
}
scmnd->result = rsp->status;
if (rsp->flags & SRP_RSP_FLAG_SNSVALID) {
@ -1092,7 +1137,9 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
else if (rsp->flags & (SRP_RSP_FLAG_DIOVER | SRP_RSP_FLAG_DIUNDER))
scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));
srp_remove_req(target, req, be32_to_cpu(rsp->req_lim_delta));
srp_free_req(target, req, scmnd,
be32_to_cpu(rsp->req_lim_delta));
scmnd->host_scribble = NULL;
scmnd->scsi_done(scmnd);
}
@ -1631,25 +1678,17 @@ static int srp_abort(struct scsi_cmnd *scmnd)
{
struct srp_target_port *target = host_to_target(scmnd->device->host);
struct srp_request *req = (struct srp_request *) scmnd->host_scribble;
int ret = SUCCESS;
shost_printk(KERN_ERR, target->scsi_host, "SRP abort called\n");
if (!req || target->qp_in_error)
if (!req || target->qp_in_error || !srp_claim_req(target, req, scmnd))
return FAILED;
if (srp_send_tsk_mgmt(target, req->index, scmnd->device->lun,
SRP_TSK_ABORT_TASK))
return FAILED;
if (req->scmnd) {
if (!target->tsk_mgmt_status) {
srp_remove_req(target, req, 0);
srp_send_tsk_mgmt(target, req->index, scmnd->device->lun,
SRP_TSK_ABORT_TASK);
srp_free_req(target, req, scmnd, 0);
scmnd->result = DID_ABORT << 16;
} else
ret = FAILED;
}
return ret;
return SUCCESS;
}
static int srp_reset_device(struct scsi_cmnd *scmnd)

2
drivers/infiniband/ulp/srpt/ib_srpt.c
View File

@ -1469,7 +1469,7 @@ static void srpt_handle_send_comp(struct srpt_rdma_ch *ch,
*
* XXX: what is now target_execute_cmd used to be asynchronous, and unmapping
* the data that has been transferred via IB RDMA had to be postponed until the
* check_stop_free() callback. None of this is nessecary anymore and needs to
* check_stop_free() callback. None of this is necessary anymore and needs to
* be cleaned up.
*/
static void srpt_handle_rdma_comp(struct srpt_rdma_ch *ch,

9
drivers/net/ethernet/mellanox/mlx4/icm.c
View File

@ -358,13 +358,14 @@ void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
}
int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
u64 virt, int obj_size, int nobj, int reserved,
u64 virt, int obj_size, u32 nobj, int reserved,
int use_lowmem, int use_coherent)
{
int obj_per_chunk;
int num_icm;
unsigned chunk_size;
int i;
u64 size;
obj_per_chunk = MLX4_TABLE_CHUNK_SIZE / obj_size;
num_icm = (nobj + obj_per_chunk - 1) / obj_per_chunk;
@ -380,10 +381,12 @@ int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
table->coherent = use_coherent;
mutex_init(&table->mutex);
size = (u64) nobj * obj_size;
for (i = 0; i * MLX4_TABLE_CHUNK_SIZE < reserved * obj_size; ++i) {
chunk_size = MLX4_TABLE_CHUNK_SIZE;
if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > nobj * obj_size)
chunk_size = PAGE_ALIGN(nobj * obj_size - i * MLX4_TABLE_CHUNK_SIZE);
if ((i + 1) * MLX4_TABLE_CHUNK_SIZE > size)
chunk_size = PAGE_ALIGN(size -
i * MLX4_TABLE_CHUNK_SIZE);
table->icm[i] = mlx4_alloc_icm(dev, chunk_size >> PAGE_SHIFT,
(use_lowmem ? GFP_KERNEL : GFP_HIGHUSER) |

2
drivers/net/ethernet/mellanox/mlx4/icm.h
View File

@ -78,7 +78,7 @@ int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table,
int start, int end);
int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table,
u64 virt, int obj_size, int nobj, int reserved,
u64 virt, int obj_size, u32 nobj, int reserved,
int use_lowmem, int use_coherent);
void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table);
void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle);

4
drivers/net/ethernet/mellanox/mlx4/mlx4.h
View File

@ -249,7 +249,7 @@ struct mlx4_bitmap {
struct mlx4_buddy {
unsigned long **bits;
unsigned int *num_free;
int max_order;
u32 max_order;
spinlock_t lock;
};
@ -258,7 +258,7 @@ struct mlx4_icm;
struct mlx4_icm_table {
u64 virt;
int num_icm;
int num_obj;
u32 num_obj;
int obj_size;
int lowmem;
int coherent;

19
drivers/net/ethernet/mellanox/mlx4/mr.c
View File

@ -37,6 +37,7 @@
#include <linux/export.h>
#include <linux/slab.h>
#include <linux/kernel.h>
#include <linux/vmalloc.h>
#include <linux/mlx4/cmd.h>
@ -120,7 +121,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order)
buddy->max_order = max_order;
spin_lock_init(&buddy->lock);
buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
buddy->bits = kcalloc(buddy->max_order + 1, sizeof (long *),
GFP_KERNEL);
buddy->num_free = kcalloc((buddy->max_order + 1), sizeof *buddy->num_free,
GFP_KERNEL);
@ -129,10 +130,12 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order)
for (i = 0; i <= buddy->max_order; ++i) {
s = BITS_TO_LONGS(1 << (buddy->max_order - i));
buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL);
buddy->bits[i] = kcalloc(s, sizeof (long), GFP_KERNEL | __GFP_NOWARN);
if (!buddy->bits[i]) {
buddy->bits[i] = vzalloc(s * sizeof(long));
if (!buddy->bits[i])
goto err_out_free;
bitmap_zero(buddy->bits[i], 1 << (buddy->max_order - i));
}
}
set_bit(0, buddy->bits[buddy->max_order]);
@ -142,6 +145,9 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order)
err_out_free:
for (i = 0; i <= buddy->max_order; ++i)
if (buddy->bits[i] && is_vmalloc_addr(buddy->bits[i]))
vfree(buddy->bits[i]);
else
kfree(buddy->bits[i]);
err_out:
@ -156,6 +162,9 @@ static void mlx4_buddy_cleanup(struct mlx4_buddy *buddy)
int i;
for (i = 0; i <= buddy->max_order; ++i)
if (is_vmalloc_addr(buddy->bits[i]))
vfree(buddy->bits[i]);
else
kfree(buddy->bits[i]);
kfree(buddy->bits);
@ -668,7 +677,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev)
return err;
err = mlx4_buddy_init(&mr_table->mtt_buddy,
ilog2(dev->caps.num_mtts /
ilog2((u32)dev->caps.num_mtts /
(1 << log_mtts_per_seg)));
if (err)
goto err_buddy;
@ -678,7 +687,7 @@ int mlx4_init_mr_table(struct mlx4_dev *dev)
mlx4_alloc_mtt_range(dev,
fls(dev->caps.reserved_mtts - 1));
if (priv->reserved_mtts < 0) {
mlx4_warn(dev, "MTT table of order %d is too small.\n",
mlx4_warn(dev, "MTT table of order %u is too small.\n",
mr_table->mtt_buddy.max_order);
err = -ENOMEM;
goto err_reserve_mtts;

4
drivers/net/ethernet/mellanox/mlx4/profile.c
View File

@ -76,7 +76,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
u64 size;
u64 start;
int type;
int num;
u32 num;
int log_num;
};
@ -105,7 +105,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev,
si_meminfo(&si);
request->num_mtt =
roundup_pow_of_two(max_t(unsigned, request->num_mtt,
min(1UL << 31,
min(1UL << (31 - log_mtts_per_seg),
si.totalram >> (log_mtts_per_seg - 1))));
profile[MLX4_RES_QP].size = dev_cap->qpc_entry_sz;