summaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/hw/hns/hns_roce_main.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_main.c')
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_main.c329
1 files changed, 73 insertions, 256 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 764e35a54457..4953d9cb83a7 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -35,52 +35,13 @@
#include <rdma/ib_addr.h>
#include <rdma/ib_smi.h>
#include <rdma/ib_user_verbs.h>
+#include <rdma/ib_cache.h>
#include "hns_roce_common.h"
#include "hns_roce_device.h"
-#include "hns_roce_user.h"
+#include <rdma/hns-abi.h>
#include "hns_roce_hem.h"
/**
- * hns_roce_addrconf_ifid_eui48 - Get default gid.
- * @eui: eui.
- * @vlan_id: gid
- * @dev: net device
- * Description:
- * MAC convert to GID
- * gid[0..7] = fe80 0000 0000 0000
- * gid[8] = mac[0] ^ 2
- * gid[9] = mac[1]
- * gid[10] = mac[2]
- * gid[11] = ff (VLAN ID high byte (4 MS bits))
- * gid[12] = fe (VLAN ID low byte)
- * gid[13] = mac[3]
- * gid[14] = mac[4]
- * gid[15] = mac[5]
- */
-static void hns_roce_addrconf_ifid_eui48(u8 *eui, u16 vlan_id,
- struct net_device *dev)
-{
- memcpy(eui, dev->dev_addr, 3);
- memcpy(eui + 5, dev->dev_addr + 3, 3);
- if (vlan_id < 0x1000) {
- eui[3] = vlan_id >> 8;
- eui[4] = vlan_id & 0xff;
- } else {
- eui[3] = 0xff;
- eui[4] = 0xfe;
- }
- eui[0] ^= 2;
-}
-
-static void hns_roce_make_default_gid(struct net_device *dev, union ib_gid *gid)
-{
- memset(gid, 0, sizeof(*gid));
- gid->raw[0] = 0xFE;
- gid->raw[1] = 0x80;
- hns_roce_addrconf_ifid_eui48(&gid->raw[8], 0xffff, dev);
-}
-
-/**
* hns_get_gid_index - Get gid index.
* @hr_dev: pointer to structure hns_roce_dev.
* @port: port, value range: 0 ~ MAX
@@ -96,30 +57,6 @@ int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index)
return gid_index * hr_dev->caps.num_ports + port;
}
-static int hns_roce_set_gid(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
- union ib_gid *gid)
-{
- struct device *dev = &hr_dev->pdev->dev;
- u8 gid_idx = 0;
-
- if (gid_index >= hr_dev->caps.gid_table_len[port]) {
- dev_err(dev, "gid_index %d illegal, port %d gid range: 0~%d\n",
- gid_index, port, hr_dev->caps.gid_table_len[port] - 1);
- return -EINVAL;
- }
-
- gid_idx = hns_get_gid_index(hr_dev, port, gid_index);
-
- if (!memcmp(gid, &hr_dev->iboe.gid_table[gid_idx], sizeof(*gid)))
- return -EINVAL;
-
- memcpy(&hr_dev->iboe.gid_table[gid_idx], gid, sizeof(*gid));
-
- hr_dev->hw->set_gid(hr_dev, port, gid_index, gid);
-
- return 0;
-}
-
static void hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
{
u8 phy_port;
@@ -135,27 +72,44 @@ static void hns_roce_set_mac(struct hns_roce_dev *hr_dev, u8 port, u8 *addr)
hr_dev->hw->set_mac(hr_dev, phy_port, addr);
}
-static void hns_roce_set_mtu(struct hns_roce_dev *hr_dev, u8 port, int mtu)
+static int hns_roce_add_gid(struct ib_device *device, u8 port_num,
+ unsigned int index, const union ib_gid *gid,
+ const struct ib_gid_attr *attr, void **context)
{
- u8 phy_port = hr_dev->iboe.phy_port[port];
- enum ib_mtu tmp;
+ struct hns_roce_dev *hr_dev = to_hr_dev(device);
+ u8 port = port_num - 1;
+ unsigned long flags;
+
+ if (port >= hr_dev->caps.num_ports)
+ return -EINVAL;
+
+ spin_lock_irqsave(&hr_dev->iboe.lock, flags);
- tmp = iboe_get_mtu(mtu);
- if (!tmp)
- tmp = IB_MTU_256;
+ hr_dev->hw->set_gid(hr_dev, port, index, (union ib_gid *)gid);
- hr_dev->hw->set_mtu(hr_dev, phy_port, tmp);
+ spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
+
+ return 0;
}
-static void hns_roce_update_gids(struct hns_roce_dev *hr_dev, int port)
+static int hns_roce_del_gid(struct ib_device *device, u8 port_num,
+ unsigned int index, void **context)
{
- struct ib_event event;
+ struct hns_roce_dev *hr_dev = to_hr_dev(device);
+ union ib_gid zgid = { {0} };
+ u8 port = port_num - 1;
+ unsigned long flags;
+
+ if (port >= hr_dev->caps.num_ports)
+ return -EINVAL;
+
+ spin_lock_irqsave(&hr_dev->iboe.lock, flags);
- /* Refresh gid in ib_cache */
- event.device = &hr_dev->ib_dev;
- event.element.port_num = port + 1;
- event.event = IB_EVENT_GID_CHANGE;
- ib_dispatch_event(&event);
+ hr_dev->hw->set_gid(hr_dev, port, index, &zgid);
+
+ spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
+
+ return 0;
}
static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,
@@ -163,9 +117,6 @@ static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,
{
struct device *dev = &hr_dev->pdev->dev;
struct net_device *netdev;
- unsigned long flags;
- union ib_gid gid;
- int ret = 0;
netdev = hr_dev->iboe.netdevs[port];
if (!netdev) {
@@ -173,7 +124,7 @@ static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,
return -ENODEV;
}
- spin_lock_irqsave(&hr_dev->iboe.lock, flags);
+ spin_lock_bh(&hr_dev->iboe.lock);
switch (event) {
case NETDEV_UP:
@@ -181,23 +132,19 @@ static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,
case NETDEV_REGISTER:
case NETDEV_CHANGEADDR:
hns_roce_set_mac(hr_dev, port, netdev->dev_addr);
- hns_roce_make_default_gid(netdev, &gid);
- ret = hns_roce_set_gid(hr_dev, port, 0, &gid);
- if (!ret)
- hns_roce_update_gids(hr_dev, port);
break;
case NETDEV_DOWN:
/*
- * In v1 engine, only support all ports closed together.
- */
+ * In v1 engine, only support all ports closed together.
+ */
break;
default:
dev_dbg(dev, "NETDEV event = 0x%x!\n", (u32)(event));
break;
}
- spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
- return ret;
+ spin_unlock_bh(&hr_dev->iboe.lock);
+ return 0;
}
static int hns_roce_netdev_event(struct notifier_block *self,
@@ -224,118 +171,17 @@ static int hns_roce_netdev_event(struct notifier_block *self,
return NOTIFY_DONE;
}
-static void hns_roce_addr_event(int event, struct net_device *event_netdev,
- struct hns_roce_dev *hr_dev, union ib_gid *gid)
+static int hns_roce_setup_mtu_mac(struct hns_roce_dev *hr_dev)
{
- struct hns_roce_ib_iboe *iboe = NULL;
- int gid_table_len = 0;
- unsigned long flags;
- union ib_gid zgid;
- u8 gid_idx = 0;
- u8 port = 0;
- int i = 0;
- int free;
- struct net_device *real_dev = rdma_vlan_dev_real_dev(event_netdev) ?
- rdma_vlan_dev_real_dev(event_netdev) :
- event_netdev;
-
- if (event != NETDEV_UP && event != NETDEV_DOWN)
- return;
-
- iboe = &hr_dev->iboe;
- while (port < hr_dev->caps.num_ports) {
- if (real_dev == iboe->netdevs[port])
- break;
- port++;
- }
-
- if (port >= hr_dev->caps.num_ports) {
- dev_dbg(&hr_dev->pdev->dev, "can't find netdev\n");
- return;
- }
-
- memset(zgid.raw, 0, sizeof(zgid.raw));
- free = -1;
- gid_table_len = hr_dev->caps.gid_table_len[port];
-
- spin_lock_irqsave(&hr_dev->iboe.lock, flags);
-
- for (i = 0; i < gid_table_len; i++) {
- gid_idx = hns_get_gid_index(hr_dev, port, i);
- if (!memcmp(gid->raw, iboe->gid_table[gid_idx].raw,
- sizeof(gid->raw)))
- break;
- if (free < 0 && !memcmp(zgid.raw,
- iboe->gid_table[gid_idx].raw, sizeof(zgid.raw)))
- free = i;
- }
-
- if (i >= gid_table_len) {
- if (free < 0) {
- spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
- dev_dbg(&hr_dev->pdev->dev,
- "gid_index overflow, port(%d)\n", port);
- return;
- }
- if (!hns_roce_set_gid(hr_dev, port, free, gid))
- hns_roce_update_gids(hr_dev, port);
- } else if (event == NETDEV_DOWN) {
- if (!hns_roce_set_gid(hr_dev, port, i, &zgid))
- hns_roce_update_gids(hr_dev, port);
- }
-
- spin_unlock_irqrestore(&hr_dev->iboe.lock, flags);
-}
-
-static int hns_roce_inet_event(struct notifier_block *self, unsigned long event,
- void *ptr)
-{
- struct in_ifaddr *ifa = ptr;
- struct hns_roce_dev *hr_dev;
- struct net_device *dev = ifa->ifa_dev->dev;
- union ib_gid gid;
-
- ipv6_addr_set_v4mapped(ifa->ifa_address, (struct in6_addr *)&gid);
-
- hr_dev = container_of(self, struct hns_roce_dev, iboe.nb_inet);
-
- hns_roce_addr_event(event, dev, hr_dev, &gid);
-
- return NOTIFY_DONE;
-}
-
-static int hns_roce_setup_mtu_gids(struct hns_roce_dev *hr_dev)
-{
- struct in_ifaddr *ifa_list = NULL;
- union ib_gid gid = {{0} };
- u32 ipaddr = 0;
- int index = 0;
- int ret = 0;
- u8 i = 0;
+ u8 i;
for (i = 0; i < hr_dev->caps.num_ports; i++) {
- hns_roce_set_mtu(hr_dev, i,
- ib_mtu_enum_to_int(hr_dev->caps.max_mtu));
+ hr_dev->hw->set_mtu(hr_dev, hr_dev->iboe.phy_port[i],
+ hr_dev->caps.max_mtu);
hns_roce_set_mac(hr_dev, i, hr_dev->iboe.netdevs[i]->dev_addr);
-
- if (hr_dev->iboe.netdevs[i]->ip_ptr) {
- ifa_list = hr_dev->iboe.netdevs[i]->ip_ptr->ifa_list;
- index = 1;
- while (ifa_list) {
- ipaddr = ifa_list->ifa_address;
- ipv6_addr_set_v4mapped(ipaddr,
- (struct in6_addr *)&gid);
- ret = hns_roce_set_gid(hr_dev, i, index, &gid);
- if (ret)
- break;
- index++;
- ifa_list = ifa_list->ifa_next;
- }
- hns_roce_update_gids(hr_dev, i);
- }
}
- return ret;
+ return 0;
}
static int hns_roce_query_device(struct ib_device *ib_dev,
@@ -444,31 +290,6 @@ static enum rdma_link_layer hns_roce_get_link_layer(struct ib_device *device,
static int hns_roce_query_gid(struct ib_device *ib_dev, u8 port_num, int index,
union ib_gid *gid)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
- struct device *dev = &hr_dev->pdev->dev;
- u8 gid_idx = 0;
- u8 port;
-
- if (port_num < 1 || port_num > hr_dev->caps.num_ports ||
- index >= hr_dev->caps.gid_table_len[port_num - 1]) {
- dev_err(dev,
- "port_num %d index %d illegal! correct range: port_num 1~%d index 0~%d!\n",
- port_num, index, hr_dev->caps.num_ports,
- hr_dev->caps.gid_table_len[port_num - 1] - 1);
- return -EINVAL;
- }
-
- port = port_num - 1;
- gid_idx = hns_get_gid_index(hr_dev, port, index);
- if (gid_idx >= HNS_ROCE_MAX_GID_NUM) {
- dev_err(dev, "port_num %d index %d illegal! total gid num %d!\n",
- port_num, index, HNS_ROCE_MAX_GID_NUM);
- return -EINVAL;
- }
-
- memcpy(gid->raw, hr_dev->iboe.gid_table[gid_idx].raw,
- HNS_ROCE_GID_SIZE);
-
return 0;
}
@@ -549,6 +370,8 @@ static int hns_roce_dealloc_ucontext(struct ib_ucontext *ibcontext)
static int hns_roce_mmap(struct ib_ucontext *context,
struct vm_area_struct *vma)
{
+ struct hns_roce_dev *hr_dev = to_hr_dev(context->device);
+
if (((vma->vm_end - vma->vm_start) % PAGE_SIZE) != 0)
return -EINVAL;
@@ -558,10 +381,15 @@ static int hns_roce_mmap(struct ib_ucontext *context,
to_hr_ucontext(context)->uar.pfn,
PAGE_SIZE, vma->vm_page_prot))
return -EAGAIN;
-
- } else {
+ } else if (vma->vm_pgoff == 1 && hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
+ /* vm_pgoff: 1 -- TPTR */
+ if (io_remap_pfn_range(vma, vma->vm_start,
+ hr_dev->tptr_dma_addr >> PAGE_SHIFT,
+ hr_dev->tptr_size,
+ vma->vm_page_prot))
+ return -EAGAIN;
+ } else
return -EINVAL;
- }
return 0;
}
@@ -605,7 +433,7 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
spin_lock_init(&iboe->lock);
ib_dev = &hr_dev->ib_dev;
- strlcpy(ib_dev->name, "hisi_%d", IB_DEVICE_NAME_MAX);
+ strlcpy(ib_dev->name, "hns_%d", IB_DEVICE_NAME_MAX);
ib_dev->owner = THIS_MODULE;
ib_dev->node_type = RDMA_NODE_IB_CA;
@@ -639,6 +467,8 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
ib_dev->get_link_layer = hns_roce_get_link_layer;
ib_dev->get_netdev = hns_roce_get_netdev;
ib_dev->query_gid = hns_roce_query_gid;
+ ib_dev->add_gid = hns_roce_add_gid;
+ ib_dev->del_gid = hns_roce_del_gid;
ib_dev->query_pkey = hns_roce_query_pkey;
ib_dev->alloc_ucontext = hns_roce_alloc_ucontext;
ib_dev->dealloc_ucontext = hns_roce_dealloc_ucontext;
@@ -681,32 +511,22 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
return ret;
}
- ret = hns_roce_setup_mtu_gids(hr_dev);
+ ret = hns_roce_setup_mtu_mac(hr_dev);
if (ret) {
- dev_err(dev, "roce_setup_mtu_gids failed!\n");
- goto error_failed_setup_mtu_gids;
+ dev_err(dev, "setup_mtu_mac failed!\n");
+ goto error_failed_setup_mtu_mac;
}
iboe->nb.notifier_call = hns_roce_netdev_event;
ret = register_netdevice_notifier(&iboe->nb);
if (ret) {
dev_err(dev, "register_netdevice_notifier failed!\n");
- goto error_failed_setup_mtu_gids;
- }
-
- iboe->nb_inet.notifier_call = hns_roce_inet_event;
- ret = register_inetaddr_notifier(&iboe->nb_inet);
- if (ret) {
- dev_err(dev, "register inet addr notifier failed!\n");
- goto error_failed_register_inetaddr_notifier;
+ goto error_failed_setup_mtu_mac;
}
return 0;
-error_failed_register_inetaddr_notifier:
- unregister_netdevice_notifier(&iboe->nb);
-
-error_failed_setup_mtu_gids:
+error_failed_setup_mtu_mac:
ib_unregister_device(ib_dev);
return ret;
@@ -940,10 +760,10 @@ err_unmap_mtt:
}
/**
-* hns_roce_setup_hca - setup host channel adapter
-* @hr_dev: pointer to hns roce device
-* Return : int
-*/
+ * hns_roce_setup_hca - setup host channel adapter
+ * @hr_dev: pointer to hns roce device
+ * Return : int
+ */
static int hns_roce_setup_hca(struct hns_roce_dev *hr_dev)
{
int ret;
@@ -1008,11 +828,11 @@ err_uar_table_free:
}
/**
-* hns_roce_probe - RoCE driver entrance
-* @pdev: pointer to platform device
-* Return : int
-*
-*/
+ * hns_roce_probe - RoCE driver entrance
+ * @pdev: pointer to platform device
+ * Return : int
+ *
+ */
static int hns_roce_probe(struct platform_device *pdev)
{
int ret;
@@ -1023,9 +843,6 @@ static int hns_roce_probe(struct platform_device *pdev)
if (!hr_dev)
return -ENOMEM;
- memset((u8 *)hr_dev + sizeof(struct ib_device), 0,
- sizeof(struct hns_roce_dev) - sizeof(struct ib_device));
-
hr_dev->pdev = pdev;
platform_set_drvdata(pdev, hr_dev);
@@ -1125,9 +942,9 @@ error_failed_get_cfg:
}
/**
-* hns_roce_remove - remove RoCE device
-* @pdev: pointer to platform device
-*/
+ * hns_roce_remove - remove RoCE device
+ * @pdev: pointer to platform device
+ */
static int hns_roce_remove(struct platform_device *pdev)
{
struct hns_roce_dev *hr_dev = platform_get_drvdata(pdev);
OpenPOWER on IntegriCloud