niansa-misc/linux
1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
Code Issues Projects Releases Packages Wiki Activity

RDMA/bnxt_re: Add Async event handling support

Browse source 
Using the option provided by Ethernet driver, register for FW Async
event. During probe, while registeriung with Ethernet driver, provide
the ulp hook 'ulp_async_notifier' for receiving the firmware events.

Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20250107024553.2926983-3-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Kalesh AP 2025-01-07 08:15:50 +05:30 • committed by Leon Romanovsky
parent 184fe6f238
commit 7fea327840
4 changed files with 44 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/infiniband/hw/bnxt_re/bnxt_re.h
View file

@ -229,6 +229,7 @@ struct bnxt_re_dev {
DECLARE_HASHTABLE(srq_hash, MAX_SRQ_HASH_BITS); DECLARE_HASHTABLE(srq_hash, MAX_SRQ_HASH_BITS);
struct dentry *dbg_root; struct dentry *dbg_root;
struct dentry *qp_debugfs; struct dentry *qp_debugfs;
unsigned long event_bitmap;
}; };
#define to_bnxt_re_dev(ptr, member) \ #define to_bnxt_re_dev(ptr, member) \

39
drivers/infiniband/hw/bnxt_re/main.c
View file

@ -295,6 +295,20 @@ static void bnxt_re_vf_res_config(struct bnxt_re_dev *rdev)
&rdev->qplib_ctx); &rdev->qplib_ctx);
} }
static void bnxt_re_async_notifier(void *handle, struct hwrm_async_event_cmpl *cmpl)
{
struct bnxt_re_dev *rdev = (struct bnxt_re_dev *)handle;
u32 data1, data2;
u16 event_id;
event_id = le16_to_cpu(cmpl->event_id);
data1 = le32_to_cpu(cmpl->event_data1);
data2 = le32_to_cpu(cmpl->event_data2);
ibdev_dbg(&rdev->ibdev, "Async event_id = %d data1 = %d data2 = %d",
event_id, data1, data2);
}
static void bnxt_re_stop_irq(void *handle) static void bnxt_re_stop_irq(void *handle)
{ {
struct bnxt_re_en_dev_info *en_info = auxiliary_get_drvdata(handle); struct bnxt_re_en_dev_info *en_info = auxiliary_get_drvdata(handle);
@ -361,6 +375,7 @@ static void bnxt_re_start_irq(void *handle, struct bnxt_msix_entry *ent)
} }
static struct bnxt_ulp_ops bnxt_re_ulp_ops = { static struct bnxt_ulp_ops bnxt_re_ulp_ops = {
.ulp_async_notifier = bnxt_re_async_notifier,
.ulp_irq_stop = bnxt_re_stop_irq, .ulp_irq_stop = bnxt_re_stop_irq,
.ulp_irq_restart = bnxt_re_start_irq .ulp_irq_restart = bnxt_re_start_irq
}; };
@ -1785,6 +1800,26 @@ static int bnxt_re_setup_qos(struct bnxt_re_dev *rdev)
return 0; return 0;
} }
static void bnxt_re_net_unregister_async_event(struct bnxt_re_dev *rdev)
{
if (rdev->is_virtfn)
return;
memset(&rdev->event_bitmap, 0, sizeof(rdev->event_bitmap));
bnxt_register_async_events(rdev->en_dev, &rdev->event_bitmap,
ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE);
}
static void bnxt_re_net_register_async_event(struct bnxt_re_dev *rdev)
{
if (rdev->is_virtfn)
return;
rdev->event_bitmap |= (1 << ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE);
bnxt_register_async_events(rdev->en_dev, &rdev->event_bitmap,
ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE);
}
static void bnxt_re_query_hwrm_intf_version(struct bnxt_re_dev *rdev) static void bnxt_re_query_hwrm_intf_version(struct bnxt_re_dev *rdev)
{ {
struct bnxt_en_dev *en_dev = rdev->en_dev; struct bnxt_en_dev *en_dev = rdev->en_dev;
@ -1864,6 +1899,8 @@ static void bnxt_re_dev_uninit(struct bnxt_re_dev *rdev, u8 op_type)
bnxt_re_debugfs_rem_pdev(rdev); bnxt_re_debugfs_rem_pdev(rdev);
bnxt_re_net_unregister_async_event(rdev);
if (test_and_clear_bit(BNXT_RE_FLAG_QOS_WORK_REG, &rdev->flags)) if (test_and_clear_bit(BNXT_RE_FLAG_QOS_WORK_REG, &rdev->flags))
cancel_delayed_work_sync(&rdev->worker); cancel_delayed_work_sync(&rdev->worker);
@ -2077,6 +2114,8 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 op_type)
bnxt_re_debugfs_add_pdev(rdev); bnxt_re_debugfs_add_pdev(rdev);
bnxt_re_net_register_async_event(rdev);
return 0; return 0;
free_sctx: free_sctx:
bnxt_re_net_stats_ctx_free(rdev, rdev->qplib_ctx.stats.fw_id); bnxt_re_net_stats_ctx_free(rdev, rdev->qplib_ctx.stats.fw_id);

6
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
View file

@ -373,9 +373,8 @@ exit_unlock_rcu:
rcu_read_unlock(); rcu_read_unlock();
} }
int bnxt_register_async_events(struct bnxt_en_dev *edev, void bnxt_register_async_events(struct bnxt_en_dev *edev,
unsigned long *events_bmap, unsigned long *events_bmap, u16 max_id)
u16 max_id)
{ {
struct net_device *dev = edev->net; struct net_device *dev = edev->net;
struct bnxt *bp = netdev_priv(dev); struct bnxt *bp = netdev_priv(dev);
@ -387,7 +386,6 @@ int bnxt_register_async_events(struct bnxt_en_dev *edev,
smp_wmb(); smp_wmb();
ulp->max_async_event_id = max_id; ulp->max_async_event_id = max_id;
bnxt_hwrm_func_drv_rgtr(bp, events_bmap, max_id + 1, true); bnxt_hwrm_func_drv_rgtr(bp, events_bmap, max_id + 1, true);
return 0;
} }
EXPORT_SYMBOL(bnxt_register_async_events); EXPORT_SYMBOL(bnxt_register_async_events);

4
drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
View file

@ -126,6 +126,6 @@ int bnxt_register_dev(struct bnxt_en_dev *edev, struct bnxt_ulp_ops *ulp_ops,
void *handle); void *handle);
void bnxt_unregister_dev(struct bnxt_en_dev *edev); void bnxt_unregister_dev(struct bnxt_en_dev *edev);
int bnxt_send_msg(struct bnxt_en_dev *edev, struct bnxt_fw_msg *fw_msg); int bnxt_send_msg(struct bnxt_en_dev *edev, struct bnxt_fw_msg *fw_msg);
int bnxt_register_async_events(struct bnxt_en_dev *edev, void bnxt_register_async_events(struct bnxt_en_dev *edev,
unsigned long *events_bmap, u16 max_id); unsigned long *events_bmap, u16 max_id);
#endif #endif