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);