net/mlx4_core: Maintain a persistent memory for mlx4 device

Maintain a persistent memory that should survive reset flow/PCI error.
This comes as a preparation for coming series to support above flows.

Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/infiniband/hw/mlx4/alias_GUID.c b/drivers/infiniband/hw/mlx4/alias_GUID.c
index 0eb141c..a31e031 100644 (file)
--- a/drivers/infiniband/hw/mlx4/alias_GUID.c
+++ b/drivers/infiniband/hw/mlx4/alias_GUID.c
@@ -154,7 +154,7 @@ void mlx4_ib_notify_slaves_on_guid_change(struct mlx4_ib_dev *dev,
                        continue;
 
                slave_id = (block_num * NUM_ALIAS_GUID_IN_REC) + i ;
-               if (slave_id >= dev->dev->num_vfs + 1)
+               if (slave_id >= dev->dev->persist->num_vfs + 1)
                        return;
                tmp_cur_ag = *(__be64 *)&p_data[i * GUID_REC_SIZE];
                form_cache_ag = get_cached_alias_guid(dev, port_num,

diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c
index 82a7dd8..c761971 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mad.c
+++ b/drivers/infiniband/hw/mlx4/mad.c
@@ -1951,7 +1951,8 @@ static int mlx4_ib_alloc_demux_ctx(struct mlx4_ib_dev *dev,
        ctx->ib_dev = &dev->ib_dev;
 
        for (i = 0;
-            i < min(dev->dev->caps.sqp_demux, (u16)(dev->dev->num_vfs + 1));
+            i < min(dev->dev->caps.sqp_demux,
+            (u16)(dev->dev->persist->num_vfs + 1));
             i++) {
                struct mlx4_active_ports actv_ports =
                        mlx4_get_active_ports(dev->dev, i);

diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 57ecc5b..b4fa6f6 100644 (file)
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -198,7 +198,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
 
        props->vendor_id           = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
                0xffffff;
-       props->vendor_part_id      = dev->dev->pdev->device;
+       props->vendor_part_id      = dev->dev->persist->pdev->device;
        props->hw_ver              = be32_to_cpup((__be32 *) (out_mad->data + 32));
        memcpy(&props->sys_image_guid, out_mad->data +  4, 8);
 
@@ -1375,7 +1375,7 @@ static ssize_t show_hca(struct device *device, struct device_attribute *attr,
 {
        struct mlx4_ib_dev *dev =
                container_of(device, struct mlx4_ib_dev, ib_dev.dev);
-       return sprintf(buf, "MT%d\n", dev->dev->pdev->device);
+       return sprintf(buf, "MT%d\n", dev->dev->persist->pdev->device);
 }
 
 static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr,
@@ -1937,7 +1937,8 @@ static void init_pkeys(struct mlx4_ib_dev *ibdev)
        int i;
 
        if (mlx4_is_master(ibdev->dev)) {
-               for (slave = 0; slave <= ibdev->dev->num_vfs; ++slave) {
+               for (slave = 0; slave <= ibdev->dev->persist->num_vfs;
+                    ++slave) {
                        for (port = 1; port <= ibdev->dev->caps.num_ports; ++port) {
                                for (i = 0;
                                     i < ibdev->dev->phys_caps.pkey_phys_table_len[port];
@@ -1994,7 +1995,7 @@ static void mlx4_ib_alloc_eqs(struct mlx4_dev *dev, struct mlx4_ib_dev *ibdev)
        mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB) {
                for (j = 0; j < eq_per_port; j++) {
                        snprintf(name, sizeof(name), "mlx4-ib-%d-%d@%s",
-                                i, j, dev->pdev->bus->name);
+                                i, j, dev->persist->pdev->bus->name);
                        /* Set IRQ for specific name (per ring) */
                        if (mlx4_assign_eq(dev, name, NULL,
                                           &ibdev->eq_table[eq])) {
@@ -2058,7 +2059,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 
        ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
        if (!ibdev) {
-               dev_err(&dev->pdev->dev, "Device struct alloc failed\n");
+               dev_err(&dev->persist->pdev->dev,
+                       "Device struct alloc failed\n");
                return NULL;
        }
 
@@ -2085,7 +2087,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
        ibdev->num_ports                = num_ports;
        ibdev->ib_dev.phys_port_cnt     = ibdev->num_ports;
        ibdev->ib_dev.num_comp_vectors  = dev->caps.num_comp_vectors;
-       ibdev->ib_dev.dma_device        = &dev->pdev->dev;
+       ibdev->ib_dev.dma_device        = &dev->persist->pdev->dev;
 
        if (dev->caps.userspace_caps)
                ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
@@ -2236,7 +2238,8 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                                sizeof(long),
                                GFP_KERNEL);
                if (!ibdev->ib_uc_qpns_bitmap) {
-                       dev_err(&dev->pdev->dev, "bit map alloc failed\n");
+                       dev_err(&dev->persist->pdev->dev,
+                               "bit map alloc failed\n");
                        goto err_steer_qp_release;
                }
 

diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index c36ccbd..e0d2717 100644 (file)
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -401,7 +401,8 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device
        if (!mfrpl->ibfrpl.page_list)
                goto err_free;
 
-       mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->pdev->dev,
+       mfrpl->mapped_page_list = dma_alloc_coherent(&dev->dev->persist->
+                                                    pdev->dev,
                                                     size, &mfrpl->map,
                                                     GFP_KERNEL);
        if (!mfrpl->mapped_page_list)
@@ -423,7 +424,8 @@ void mlx4_ib_free_fast_reg_page_list(struct ib_fast_reg_page_list *page_list)
        struct mlx4_ib_fast_reg_page_list *mfrpl = to_mfrpl(page_list);
        int size = page_list->max_page_list_len * sizeof (u64);
 
-       dma_free_coherent(&dev->dev->pdev->dev, size, mfrpl->mapped_page_list,
+       dma_free_coherent(&dev->dev->persist->pdev->dev, size,
+                         mfrpl->mapped_page_list,
                          mfrpl->map);
        kfree(mfrpl->ibfrpl.page_list);
        kfree(mfrpl);

diff --git a/drivers/infiniband/hw/mlx4/sysfs.c b/drivers/infiniband/hw/mlx4/sysfs.c
index cb4c66e..d10c2b8 100644 (file)
--- a/drivers/infiniband/hw/mlx4/sysfs.c
+++ b/drivers/infiniband/hw/mlx4/sysfs.c
@@ -375,7 +375,7 @@ static void get_name(struct mlx4_ib_dev *dev, char *name, int i, int max)
        char base_name[9];
 
        /* pci_name format is: bus:dev:func -> xxxx:yy:zz.n */
-       strlcpy(name, pci_name(dev->dev->pdev), max);
+       strlcpy(name, pci_name(dev->dev->persist->pdev), max);
        strncpy(base_name, name, 8); /*till xxxx:yy:*/
        base_name[8] = '\0';
        /* with no ARI only 3 last bits are used so when the fn is higher than 8
@@ -792,7 +792,7 @@ static int register_pkey_tree(struct mlx4_ib_dev *device)
        if (!mlx4_is_master(device->dev))
                return 0;
 
-       for (i = 0; i <= device->dev->num_vfs; ++i)
+       for (i = 0; i <= device->dev->persist->num_vfs; ++i)
                register_one_pkey_tree(device, i);
 
        return 0;
@@ -807,7 +807,7 @@ static void unregister_pkey_tree(struct mlx4_ib_dev *device)
        if (!mlx4_is_master(device->dev))
                return;
 
-       for (slave = device->dev->num_vfs; slave >= 0; --slave) {
+       for (slave = device->dev->persist->num_vfs; slave >= 0; --slave) {
                list_for_each_entry_safe(p, t,
                                         &device->pkeys.pkey_port_list[slave],
                                         entry) {

diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
index 963dd7e..a716c26 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
@@ -592,7 +592,7 @@ int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
                buf->nbufs        = 1;
                buf->npages       = 1;
                buf->page_shift   = get_order(size) + PAGE_SHIFT;
-               buf->direct.buf   = dma_alloc_coherent(&dev->pdev->dev,
+               buf->direct.buf   = dma_alloc_coherent(&dev->persist->pdev->dev,
                                                       size, &t, gfp);
                if (!buf->direct.buf)
                        return -ENOMEM;
@@ -619,7 +619,8 @@ int mlx4_buf_alloc(struct mlx4_dev *dev, int size, int max_direct,
 
                for (i = 0; i < buf->nbufs; ++i) {
                        buf->page_list[i].buf =
-                               dma_alloc_coherent(&dev->pdev->dev, PAGE_SIZE,
+                               dma_alloc_coherent(&dev->persist->pdev->dev,
+                                                  PAGE_SIZE,
                                                   &t, gfp);
                        if (!buf->page_list[i].buf)
                                goto err_free;
@@ -657,7 +658,8 @@ void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf)
        int i;
 
        if (buf->nbufs == 1)
-               dma_free_coherent(&dev->pdev->dev, size, buf->direct.buf,
+               dma_free_coherent(&dev->persist->pdev->dev, size,
+                                 buf->direct.buf,
                                  buf->direct.map);
        else {
                if (BITS_PER_LONG == 64 && buf->direct.buf)
@@ -665,7 +667,8 @@ void mlx4_buf_free(struct mlx4_dev *dev, int size, struct mlx4_buf *buf)
 
                for (i = 0; i < buf->nbufs; ++i)
                        if (buf->page_list[i].buf)
-                               dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+                               dma_free_coherent(&dev->persist->pdev->dev,
+                                                 PAGE_SIZE,
                                                  buf->page_list[i].buf,
                                                  buf->page_list[i].map);
                kfree(buf->page_list);
@@ -738,7 +741,7 @@ int mlx4_db_alloc(struct mlx4_dev *dev, struct mlx4_db *db, int order, gfp_t gfp
                if (!mlx4_alloc_db_from_pgdir(pgdir, db, order))
                        goto out;
 
-       pgdir = mlx4_alloc_db_pgdir(&(dev->pdev->dev), gfp);
+       pgdir = mlx4_alloc_db_pgdir(&dev->persist->pdev->dev, gfp);
        if (!pgdir) {
                ret = -ENOMEM;
                goto out;
@@ -775,7 +778,7 @@ void mlx4_db_free(struct mlx4_dev *dev, struct mlx4_db *db)
        set_bit(i, db->u.pgdir->bits[o]);
 
        if (bitmap_full(db->u.pgdir->order1, MLX4_DB_PER_PAGE / 2)) {
-               dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
+               dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
                                  db->u.pgdir->db_page, db->u.pgdir->db_dma);
                list_del(&db->u.pgdir->list);
                kfree(db->u.pgdir);

diff --git a/drivers/net/ethernet/mellanox/mlx4/catas.c b/drivers/net/ethernet/mellanox/mlx4/catas.c
index 9c656fe..1a102c9 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/catas.c
+++ b/drivers/net/ethernet/mellanox/mlx4/catas.c
@@ -70,7 +70,7 @@ static void poll_catas(unsigned long dev_ptr)
 
        if (readl(priv->catas_err.map)) {
                /* If the device is off-line, we cannot try to recover it */
-               if (pci_channel_offline(dev->pdev))
+               if (pci_channel_offline(dev->persist->pdev))
                        mod_timer(&priv->catas_err.timer,
                                  round_jiffies(jiffies + MLX4_CATAS_POLL_INTERVAL));
                else {
@@ -94,6 +94,7 @@ static void catas_reset(struct work_struct *work)
 {
        struct mlx4_priv *priv, *tmppriv;
        struct mlx4_dev *dev;
+       struct mlx4_dev_persistent *persist;
 
        LIST_HEAD(tlist);
        int ret;
@@ -103,20 +104,20 @@ static void catas_reset(struct work_struct *work)
        spin_unlock_irq(&catas_lock);
 
        list_for_each_entry_safe(priv, tmppriv, &tlist, catas_err.list) {
-               struct pci_dev *pdev = priv->dev.pdev;
+               struct pci_dev *pdev = priv->dev.persist->pdev;
 
                /* If the device is off-line, we cannot reset it */
                if (pci_channel_offline(pdev))
                        continue;
 
-               ret = mlx4_restart_one(priv->dev.pdev);
+               ret = mlx4_restart_one(priv->dev.persist->pdev);
                /* 'priv' now is not valid */
                if (ret)
                        pr_err("mlx4 %s: Reset failed (%d)\n",
                               pci_name(pdev), ret);
                else {
-                       dev  = pci_get_drvdata(pdev);
-                       mlx4_dbg(dev, "Reset succeeded\n");
+                       persist  = pci_get_drvdata(pdev);
+                       mlx4_dbg(persist->dev, "Reset succeeded\n");
                }
        }
 }
@@ -134,7 +135,7 @@ void mlx4_start_catas_poll(struct mlx4_dev *dev)
        init_timer(&priv->catas_err.timer);
        priv->catas_err.map = NULL;
 
-       addr = pci_resource_start(dev->pdev, priv->fw.catas_bar) +
+       addr = pci_resource_start(dev->persist->pdev, priv->fw.catas_bar) +
                priv->fw.catas_offset;
 
        priv->catas_err.map = ioremap(addr, priv->fw.catas_size * 4);

diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 5c93d14..7cd90e6 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -307,7 +307,7 @@ static int cmd_pending(struct mlx4_dev *dev)
 {
        u32 status;
 
-       if (pci_channel_offline(dev->pdev))
+       if (pci_channel_offline(dev->persist->pdev))
                return -EIO;
 
        status = readl(mlx4_priv(dev)->cmd.hcr + HCR_STATUS_OFFSET);
@@ -328,7 +328,7 @@ static int mlx4_cmd_post(struct mlx4_dev *dev, u64 in_param, u64 out_param,
 
        mutex_lock(&cmd->hcr_mutex);
 
-       if (pci_channel_offline(dev->pdev)) {
+       if (pci_channel_offline(dev->persist->pdev)) {
                /*
                 * Device is going through error recovery
                 * and cannot accept commands.
@@ -342,7 +342,7 @@ static int mlx4_cmd_post(struct mlx4_dev *dev, u64 in_param, u64 out_param,
                end += msecs_to_jiffies(GO_BIT_TIMEOUT_MSECS);
 
        while (cmd_pending(dev)) {
-               if (pci_channel_offline(dev->pdev)) {
+               if (pci_channel_offline(dev->persist->pdev)) {
                        /*
                         * Device is going through error recovery
                         * and cannot accept commands.
@@ -464,7 +464,7 @@ static int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 
        down(&priv->cmd.poll_sem);
 
-       if (pci_channel_offline(dev->pdev)) {
+       if (pci_channel_offline(dev->persist->pdev)) {
                /*
                 * Device is going through error recovery
                 * and cannot accept commands.
@@ -487,7 +487,7 @@ static int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 
        end = msecs_to_jiffies(timeout) + jiffies;
        while (cmd_pending(dev) && time_before(jiffies, end)) {
-               if (pci_channel_offline(dev->pdev)) {
+               if (pci_channel_offline(dev->persist->pdev)) {
                        /*
                         * Device is going through error recovery
                         * and cannot accept commands.
@@ -612,7 +612,7 @@ int __mlx4_cmd(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
               int out_is_imm, u32 in_modifier, u8 op_modifier,
               u16 op, unsigned long timeout, int native)
 {
-       if (pci_channel_offline(dev->pdev))
+       if (pci_channel_offline(dev->persist->pdev))
                return -EIO;
 
        if (!mlx4_is_mfunc(dev) || (native && mlx4_is_master(dev))) {
@@ -1997,11 +1997,12 @@ int mlx4_multi_func_init(struct mlx4_dev *dev)
 
        if (mlx4_is_master(dev))
                priv->mfunc.comm =
-               ioremap(pci_resource_start(dev->pdev, priv->fw.comm_bar) +
+               ioremap(pci_resource_start(dev->persist->pdev,
+                                          priv->fw.comm_bar) +
                        priv->fw.comm_base, MLX4_COMM_PAGESIZE);
        else
                priv->mfunc.comm =
-               ioremap(pci_resource_start(dev->pdev, 2) +
+               ioremap(pci_resource_start(dev->persist->pdev, 2) +
                        MLX4_SLAVE_COMM_BASE, MLX4_COMM_PAGESIZE);
        if (!priv->mfunc.comm) {
                mlx4_err(dev, "Couldn't map communication vector\n");
@@ -2107,9 +2108,9 @@ err_comm_admin:
 err_comm:
        iounmap(priv->mfunc.comm);
 err_vhcr:
-       dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
-                                            priv->mfunc.vhcr,
-                                            priv->mfunc.vhcr_dma);
+       dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
+                         priv->mfunc.vhcr,
+                         priv->mfunc.vhcr_dma);
        priv->mfunc.vhcr = NULL;
        return -ENOMEM;
 }
@@ -2130,8 +2131,8 @@ int mlx4_cmd_init(struct mlx4_dev *dev)
        }
 
        if (!mlx4_is_slave(dev) && !priv->cmd.hcr) {
-               priv->cmd.hcr = ioremap(pci_resource_start(dev->pdev, 0) +
-                                       MLX4_HCR_BASE, MLX4_HCR_SIZE);
+               priv->cmd.hcr = ioremap(pci_resource_start(dev->persist->pdev,
+                                       0) + MLX4_HCR_BASE, MLX4_HCR_SIZE);
                if (!priv->cmd.hcr) {
                        mlx4_err(dev, "Couldn't map command register\n");
                        goto err;
@@ -2140,7 +2141,8 @@ int mlx4_cmd_init(struct mlx4_dev *dev)
        }
 
        if (mlx4_is_mfunc(dev) && !priv->mfunc.vhcr) {
-               priv->mfunc.vhcr = dma_alloc_coherent(&(dev->pdev->dev), PAGE_SIZE,
+               priv->mfunc.vhcr = dma_alloc_coherent(&dev->persist->pdev->dev,
+                                                     PAGE_SIZE,
                                                      &priv->mfunc.vhcr_dma,
                                                      GFP_KERNEL);
                if (!priv->mfunc.vhcr)
@@ -2150,7 +2152,8 @@ int mlx4_cmd_init(struct mlx4_dev *dev)
        }
 
        if (!priv->cmd.pool) {
-               priv->cmd.pool = pci_pool_create("mlx4_cmd", dev->pdev,
+               priv->cmd.pool = pci_pool_create("mlx4_cmd",
+                                                dev->persist->pdev,
                                                 MLX4_MAILBOX_SIZE,
                                                 MLX4_MAILBOX_SIZE, 0);
                if (!priv->cmd.pool)
@@ -2202,7 +2205,7 @@ void mlx4_cmd_cleanup(struct mlx4_dev *dev, int cleanup_mask)
        }
        if (mlx4_is_mfunc(dev) && priv->mfunc.vhcr &&
            (cleanup_mask & MLX4_CMD_CLEANUP_VHCR)) {
-               dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
+               dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
                                  priv->mfunc.vhcr, priv->mfunc.vhcr_dma);
                priv->mfunc.vhcr = NULL;
        }
@@ -2306,8 +2309,9 @@ u32 mlx4_comm_get_version(void)
 
 static int mlx4_get_slave_indx(struct mlx4_dev *dev, int vf)
 {
-       if ((vf < 0) || (vf >= dev->num_vfs)) {
-               mlx4_err(dev, "Bad vf number:%d (number of activated vf: %d)\n", vf, dev->num_vfs);
+       if ((vf < 0) || (vf >= dev->persist->num_vfs)) {
+               mlx4_err(dev, "Bad vf number:%d (number of activated vf: %d)\n",
+                        vf, dev->persist->num_vfs);
                return -EINVAL;
        }
 
@@ -2316,7 +2320,7 @@ static int mlx4_get_slave_indx(struct mlx4_dev *dev, int vf)
 
 int mlx4_get_vf_indx(struct mlx4_dev *dev, int slave)
 {
-       if (slave < 1 || slave > dev->num_vfs) {
+       if (slave < 1 || slave > dev->persist->num_vfs) {
                mlx4_err(dev,
                         "Bad slave number:%d (number of activated slaves: %lu)\n",
                         slave, dev->num_slaves);
@@ -2388,7 +2392,7 @@ struct mlx4_slaves_pport mlx4_phys_to_slaves_pport(struct mlx4_dev *dev,
        if (port <= 0 || port > dev->caps.num_ports)
                return slaves_pport;
 
-       for (i = 0; i < dev->num_vfs + 1; i++) {
+       for (i = 0; i < dev->persist->num_vfs + 1; i++) {
                struct mlx4_active_ports actv_ports =
                        mlx4_get_active_ports(dev, i);
                if (test_bit(port - 1, actv_ports.ports))
@@ -2408,7 +2412,7 @@ struct mlx4_slaves_pport mlx4_phys_to_slaves_pport_actv(
 
        bitmap_zero(slaves_pport.slaves, MLX4_MFUNC_MAX);
 
-       for (i = 0; i < dev->num_vfs + 1; i++) {
+       for (i = 0; i < dev->persist->num_vfs + 1; i++) {
                struct mlx4_active_ports actv_ports =
                        mlx4_get_active_ports(dev, i);
                if (bitmap_equal(crit_ports->ports, actv_ports.ports,

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_cq.c b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
index 82322b1..22da4d0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_cq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_cq.c
@@ -70,10 +70,10 @@ int mlx4_en_create_cq(struct mlx4_en_priv *priv,
        /* Allocate HW buffers on provided NUMA node.
         * dev->numa_node is used in mtt range allocation flow.
         */
-       set_dev_node(&mdev->dev->pdev->dev, node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, node);
        err = mlx4_alloc_hwq_res(mdev->dev, &cq->wqres,
                                cq->buf_size, 2 * PAGE_SIZE);
-       set_dev_node(&mdev->dev->pdev->dev, mdev->dev->numa_node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, mdev->dev->numa_node);
        if (err)
                goto err_cq;
 

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
index 90e0f04..569eda9 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_ethtool.c
@@ -92,7 +92,7 @@ mlx4_en_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo)
                (u16) (mdev->dev->caps.fw_ver >> 32),
                (u16) ((mdev->dev->caps.fw_ver >> 16) & 0xffff),
                (u16) (mdev->dev->caps.fw_ver & 0xffff));
-       strlcpy(drvinfo->bus_info, pci_name(mdev->dev->pdev),
+       strlcpy(drvinfo->bus_info, pci_name(mdev->dev->persist->pdev),
                sizeof(drvinfo->bus_info));
        drvinfo->n_stats = 0;
        drvinfo->regdump_len = 0;

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 9f16f75..c643d2b 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -241,8 +241,8 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
        spin_lock_init(&mdev->uar_lock);
 
        mdev->dev = dev;
-       mdev->dma_device = &(dev->pdev->dev);
-       mdev->pdev = dev->pdev;
+       mdev->dma_device = &dev->persist->pdev->dev;
+       mdev->pdev = dev->persist->pdev;
        mdev->device_up = false;
 
        mdev->LSO_support = !!(dev->caps.flags & (1 << 15));

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index d0d6dc1..43a3f98 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2457,7 +2457,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
        netif_set_real_num_tx_queues(dev, prof->tx_ring_num);
        netif_set_real_num_rx_queues(dev, prof->rx_ring_num);
 
-       SET_NETDEV_DEV(dev, &mdev->dev->pdev->dev);
+       SET_NETDEV_DEV(dev, &mdev->dev->persist->pdev->dev);
        dev->dev_port = port - 1;
 
        /*

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index a0474eb..2ba5d36 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -387,10 +387,10 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
                 ring->rx_info, tmp);
 
        /* Allocate HW buffers on provided NUMA node */
-       set_dev_node(&mdev->dev->pdev->dev, node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, node);
        err = mlx4_alloc_hwq_res(mdev->dev, &ring->wqres,
                                 ring->buf_size, 2 * PAGE_SIZE);
-       set_dev_node(&mdev->dev->pdev->dev, mdev->dev->numa_node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, mdev->dev->numa_node);
        if (err)
                goto err_info;
 

diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
index 359bb12..55f9f5c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c
@@ -91,10 +91,10 @@ int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv,
        ring->buf_size = ALIGN(size * ring->stride, MLX4_EN_PAGE_SIZE);
 
        /* Allocate HW buffers on provided NUMA node */
-       set_dev_node(&mdev->dev->pdev->dev, node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, node);
        err = mlx4_alloc_hwq_res(mdev->dev, &ring->wqres, ring->buf_size,
                                 2 * PAGE_SIZE);
-       set_dev_node(&mdev->dev->pdev->dev, mdev->dev->numa_node);
+       set_dev_node(&mdev->dev->persist->pdev->dev, mdev->dev->numa_node);
        if (err) {
                en_err(priv, "Failed allocating hwq resources\n");
                goto err_bounce;

diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c
index 3d275fb..7538c9c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx4/eq.c
@@ -237,7 +237,7 @@ int mlx4_gen_guid_change_eqe(struct mlx4_dev *dev, int slave, u8 port)
        struct mlx4_eqe eqe;
 
        /*don't send if we don't have the that slave */
-       if (dev->num_vfs < slave)
+       if (dev->persist->num_vfs < slave)
                return 0;
        memset(&eqe, 0, sizeof eqe);
 
@@ -255,7 +255,7 @@ int mlx4_gen_port_state_change_eqe(struct mlx4_dev *dev, int slave, u8 port,
        struct mlx4_eqe eqe;
 
        /*don't send if we don't have the that slave */
-       if (dev->num_vfs < slave)
+       if (dev->persist->num_vfs < slave)
                return 0;
        memset(&eqe, 0, sizeof eqe);
 
@@ -310,7 +310,7 @@ static void set_all_slave_state(struct mlx4_dev *dev, u8 port, int event)
        struct mlx4_slaves_pport slaves_pport = mlx4_phys_to_slaves_pport(dev,
                                                                          port);
 
-       for (i = 0; i < dev->num_vfs + 1; i++)
+       for (i = 0; i < dev->persist->num_vfs + 1; i++)
                if (test_bit(i, slaves_pport.slaves))
                        set_and_calc_slave_port_state(dev, i, port,
                                                      event, &gen_event);
@@ -560,7 +560,8 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
                                mlx4_priv(dev)->sense.do_sense_port[port] = 1;
                                if (!mlx4_is_master(dev))
                                        break;
-                               for (i = 0; i < dev->num_vfs + 1; i++) {
+                               for (i = 0; i < dev->persist->num_vfs + 1;
+                                    i++) {
                                        if (!test_bit(i, slaves_port.slaves))
                                                continue;
                                        if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) {
@@ -596,7 +597,9 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
                                if (!mlx4_is_master(dev))
                                        break;
                                if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH)
-                                       for (i = 0; i < dev->num_vfs + 1; i++) {
+                                       for (i = 0;
+                                            i < dev->persist->num_vfs + 1;
+                                            i++) {
                                                if (!test_bit(i, slaves_port.slaves))
                                                        continue;
                                                if (i == mlx4_master_func_num(dev))
@@ -865,7 +868,7 @@ static void __iomem *mlx4_get_eq_uar(struct mlx4_dev *dev, struct mlx4_eq *eq)
 
        if (!priv->eq_table.uar_map[index]) {
                priv->eq_table.uar_map[index] =
-                       ioremap(pci_resource_start(dev->pdev, 2) +
+                       ioremap(pci_resource_start(dev->persist->pdev, 2) +
                                ((eq->eqn / 4) << PAGE_SHIFT),
                                PAGE_SIZE);
                if (!priv->eq_table.uar_map[index]) {
@@ -928,8 +931,10 @@ static int mlx4_create_eq(struct mlx4_dev *dev, int nent,
        eq_context = mailbox->buf;
 
        for (i = 0; i < npages; ++i) {
-               eq->page_list[i].buf = dma_alloc_coherent(&dev->pdev->dev,
-                                                         PAGE_SIZE, &t, GFP_KERNEL);
+               eq->page_list[i].buf = dma_alloc_coherent(&dev->persist->
+                                                         pdev->dev,
+                                                         PAGE_SIZE, &t,
+                                                         GFP_KERNEL);
                if (!eq->page_list[i].buf)
                        goto err_out_free_pages;
 
@@ -995,7 +1000,7 @@ err_out_free_eq:
 err_out_free_pages:
        for (i = 0; i < npages; ++i)
                if (eq->page_list[i].buf)
-                       dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
+                       dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
                                          eq->page_list[i].buf,
                                          eq->page_list[i].map);
 
@@ -1044,9 +1049,9 @@ static void mlx4_free_eq(struct mlx4_dev *dev,
 
        mlx4_mtt_cleanup(dev, &eq->mtt);
        for (i = 0; i < npages; ++i)
-               dma_free_coherent(&dev->pdev->dev, PAGE_SIZE,
-                                   eq->page_list[i].buf,
-                                   eq->page_list[i].map);
+               dma_free_coherent(&dev->persist->pdev->dev, PAGE_SIZE,
+                                 eq->page_list[i].buf,
+                                 eq->page_list[i].map);
 
        kfree(eq->page_list);
        mlx4_bitmap_free(&priv->eq_table.bitmap, eq->eqn, MLX4_USE_RR);
@@ -1060,7 +1065,7 @@ static void mlx4_free_irqs(struct mlx4_dev *dev)
        int     i, vec;
 
        if (eq_table->have_irq)
-               free_irq(dev->pdev->irq, dev);
+               free_irq(dev->persist->pdev->irq, dev);
 
        for (i = 0; i < dev->caps.num_comp_vectors + 1; ++i)
                if (eq_table->eq[i].have_irq) {
@@ -1089,7 +1094,8 @@ static int mlx4_map_clr_int(struct mlx4_dev *dev)
 {
        struct mlx4_priv *priv = mlx4_priv(dev);
 
-       priv->clr_base = ioremap(pci_resource_start(dev->pdev, priv->fw.clr_int_bar) +
+       priv->clr_base = ioremap(pci_resource_start(dev->persist->pdev,
+                                priv->fw.clr_int_bar) +
                                 priv->fw.clr_int_base, MLX4_CLR_INT_SIZE);
        if (!priv->clr_base) {
                mlx4_err(dev, "Couldn't map interrupt clear register, aborting\n");
@@ -1212,13 +1218,13 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
                                         i * MLX4_IRQNAME_SIZE,
                                         MLX4_IRQNAME_SIZE,
                                         "mlx4-comp-%d@pci:%s", i,
-                                        pci_name(dev->pdev));
+                                        pci_name(dev->persist->pdev));
                        } else {
                                snprintf(priv->eq_table.irq_names +
                                         i * MLX4_IRQNAME_SIZE,
                                         MLX4_IRQNAME_SIZE,
                                         "mlx4-async@pci:%s",
-                                        pci_name(dev->pdev));
+                                        pci_name(dev->persist->pdev));
                        }
 
                        eq_name = priv->eq_table.irq_names +
@@ -1235,8 +1241,8 @@ int mlx4_init_eq_table(struct mlx4_dev *dev)
                snprintf(priv->eq_table.irq_names,
                         MLX4_IRQNAME_SIZE,
                         DRV_NAME "@pci:%s",
-                        pci_name(dev->pdev));
-               err = request_irq(dev->pdev->irq, mlx4_interrupt,
+                        pci_name(dev->persist->pdev));
+               err = request_irq(dev->persist->pdev->irq, mlx4_interrupt,
                                  IRQF_SHARED, priv->eq_table.irq_names, dev);
                if (err)
                        goto err_out_async;

diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c
index 97c9b1d..2a9dd46 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/icm.c
+++ b/drivers/net/ethernet/mellanox/mlx4/icm.c
@@ -56,7 +56,7 @@ static void mlx4_free_icm_pages(struct mlx4_dev *dev, struct mlx4_icm_chunk *chu
        int i;
 
        if (chunk->nsg > 0)
-               pci_unmap_sg(dev->pdev, chunk->mem, chunk->npages,
+               pci_unmap_sg(dev->persist->pdev, chunk->mem, chunk->npages,
                             PCI_DMA_BIDIRECTIONAL);
 
        for (i = 0; i < chunk->npages; ++i)
@@ -69,7 +69,8 @@ static void mlx4_free_icm_coherent(struct mlx4_dev *dev, struct mlx4_icm_chunk *
        int i;
 
        for (i = 0; i < chunk->npages; ++i)
-               dma_free_coherent(&dev->pdev->dev, chunk->mem[i].length,
+               dma_free_coherent(&dev->persist->pdev->dev,
+                                 chunk->mem[i].length,
                                  lowmem_page_address(sg_page(&chunk->mem[i])),
                                  sg_dma_address(&chunk->mem[i]));
 }
@@ -173,7 +174,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
                        --cur_order;
 
                if (coherent)
-                       ret = mlx4_alloc_icm_coherent(&dev->pdev->dev,
+                       ret = mlx4_alloc_icm_coherent(&dev->persist->pdev->dev,
                                                      &chunk->mem[chunk->npages],
                                                      cur_order, gfp_mask);
                else
@@ -193,7 +194,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
                if (coherent)
                        ++chunk->nsg;
                else if (chunk->npages == MLX4_ICM_CHUNK_LEN) {
-                       chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+                       chunk->nsg = pci_map_sg(dev->persist->pdev, chunk->mem,
                                                chunk->npages,
                                                PCI_DMA_BIDIRECTIONAL);
 
@@ -208,7 +209,7 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages,
        }
 
        if (!coherent && chunk) {
-               chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
+               chunk->nsg = pci_map_sg(dev->persist->pdev, chunk->mem,
                                        chunk->npages,
                                        PCI_DMA_BIDIRECTIONAL);
 

diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index 03e9eb0..abcee61 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -318,10 +318,11 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
                return -ENODEV;
        }
 
-       if (dev_cap->uar_size > pci_resource_len(dev->pdev, 2)) {
+       if (dev_cap->uar_size > pci_resource_len(dev->persist->pdev, 2)) {
                mlx4_err(dev, "HCA reported UAR size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n",
                         dev_cap->uar_size,
-                        (unsigned long long) pci_resource_len(dev->pdev, 2));
+                        (unsigned long long)
+                        pci_resource_len(dev->persist->pdev, 2));
                return -ENODEV;
        }
 
@@ -541,8 +542,10 @@ static int mlx4_get_pcie_dev_link_caps(struct mlx4_dev *dev,
        *speed = PCI_SPEED_UNKNOWN;
        *width = PCIE_LNK_WIDTH_UNKNOWN;
 
-       err1 = pcie_capability_read_dword(dev->pdev, PCI_EXP_LNKCAP, &lnkcap1);
-       err2 = pcie_capability_read_dword(dev->pdev, PCI_EXP_LNKCAP2, &lnkcap2);
+       err1 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP,
+                                         &lnkcap1);
+       err2 = pcie_capability_read_dword(dev->persist->pdev, PCI_EXP_LNKCAP2,
+                                         &lnkcap2);
        if (!err2 && lnkcap2) { /* PCIe r3.0-compliant */
                if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB)
                        *speed = PCIE_SPEED_8_0GT;
@@ -587,7 +590,7 @@ static void mlx4_check_pcie_caps(struct mlx4_dev *dev)
                return;
        }
 
-       err = pcie_get_minimum_link(dev->pdev, &speed, &width);
+       err = pcie_get_minimum_link(dev->persist->pdev, &speed, &width);
        if (err || speed == PCI_SPEED_UNKNOWN ||
            width == PCIE_LNK_WIDTH_UNKNOWN) {
                mlx4_warn(dev,
@@ -837,10 +840,12 @@ static int mlx4_slave_cap(struct mlx4_dev *dev)
 
        if (dev->caps.uar_page_size * (dev->caps.num_uars -
                                       dev->caps.reserved_uars) >
-                                      pci_resource_len(dev->pdev, 2)) {
+                                      pci_resource_len(dev->persist->pdev,
+                                                       2)) {
                mlx4_err(dev, "HCA reported UAR region size of 0x%x bigger than PCI resource 2 size of 0x%llx, aborting\n",
                         dev->caps.uar_page_size * dev->caps.num_uars,
-                        (unsigned long long) pci_resource_len(dev->pdev, 2));
+                        (unsigned long long)
+                        pci_resource_len(dev->persist->pdev, 2));
                goto err_mem;
        }
 
@@ -1492,9 +1497,9 @@ static int map_bf_area(struct mlx4_dev *dev)
        if (!dev->caps.bf_reg_size)
                return -ENXIO;
 
-       bf_start = pci_resource_start(dev->pdev, 2) +
+       bf_start = pci_resource_start(dev->persist->pdev, 2) +
                        (dev->caps.num_uars << PAGE_SHIFT);
-       bf_len = pci_resource_len(dev->pdev, 2) -
+       bf_len = pci_resource_len(dev->persist->pdev, 2) -
                        (dev->caps.num_uars << PAGE_SHIFT);
        priv->bf_mapping = io_mapping_create_wc(bf_start, bf_len);
        if (!priv->bf_mapping)
@@ -1536,7 +1541,8 @@ static int map_internal_clock(struct mlx4_dev *dev)
        struct mlx4_priv *priv = mlx4_priv(dev);
 
        priv->clock_mapping =
-               ioremap(pci_resource_start(dev->pdev, priv->fw.clock_bar) +
+               ioremap(pci_resource_start(dev->persist->pdev,
+                                          priv->fw.clock_bar) +
                        priv->fw.clock_offset, MLX4_CLOCK_SIZE);
 
        if (!priv->clock_mapping)
@@ -1705,7 +1711,8 @@ static void choose_steering_mode(struct mlx4_dev *dev,
        if (mlx4_log_num_mgm_entry_size <= 0 &&
            dev_cap->flags2 & MLX4_DEV_CAP_FLAG2_FS_EN &&
            (!mlx4_is_mfunc(dev) ||
-            (dev_cap->fs_max_num_qp_per_entry >= (dev->num_vfs + 1))) &&
+            (dev_cap->fs_max_num_qp_per_entry >=
+            (dev->persist->num_vfs + 1))) &&
            choose_log_fs_mgm_entry_size(dev_cap->fs_max_num_qp_per_entry) >=
                MLX4_MIN_MGM_LOG_ENTRY_SIZE) {
                dev->oper_log_mgm_entry_size =
@@ -2288,7 +2295,8 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
                for (i = 0; i < nreq; ++i)
                        entries[i].entry = i;
 
-               nreq = pci_enable_msix_range(dev->pdev, entries, 2, nreq);
+               nreq = pci_enable_msix_range(dev->persist->pdev, entries, 2,
+                                            nreq);
 
                if (nreq < 0) {
                        kfree(entries);
@@ -2316,7 +2324,7 @@ no_msi:
        dev->caps.comp_pool        = 0;
 
        for (i = 0; i < 2; ++i)
-               priv->eq_table.eq[i].irq = dev->pdev->irq;
+               priv->eq_table.eq[i].irq = dev->persist->pdev->irq;
 }
 
 static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
@@ -2344,7 +2352,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
        info->port_attr.show      = show_port_type;
        sysfs_attr_init(&info->port_attr.attr);
 
-       err = device_create_file(&dev->pdev->dev, &info->port_attr);
+       err = device_create_file(&dev->persist->pdev->dev, &info->port_attr);
        if (err) {
                mlx4_err(dev, "Failed to create file for port %d\n", port);
                info->port = -1;
@@ -2361,10 +2369,12 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
        info->port_mtu_attr.show      = show_port_ib_mtu;
        sysfs_attr_init(&info->port_mtu_attr.attr);
 
-       err = device_create_file(&dev->pdev->dev, &info->port_mtu_attr);
+       err = device_create_file(&dev->persist->pdev->dev,
+                                &info->port_mtu_attr);
        if (err) {
                mlx4_err(dev, "Failed to create mtu file for port %d\n", port);
-               device_remove_file(&info->dev->pdev->dev, &info->port_attr);
+               device_remove_file(&info->dev->persist->pdev->dev,
+                                  &info->port_attr);
                info->port = -1;
        }
 
@@ -2376,8 +2386,9 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info)
        if (info->port < 0)
                return;
 
-       device_remove_file(&info->dev->pdev->dev, &info->port_attr);
-       device_remove_file(&info->dev->pdev->dev, &info->port_mtu_attr);
+       device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr);
+       device_remove_file(&info->dev->persist->pdev->dev,
+                          &info->port_mtu_attr);
 }
 
 static int mlx4_init_steering(struct mlx4_dev *dev)
@@ -2444,10 +2455,11 @@ static int mlx4_get_ownership(struct mlx4_dev *dev)
        void __iomem *owner;
        u32 ret;
 
-       if (pci_channel_offline(dev->pdev))
+       if (pci_channel_offline(dev->persist->pdev))
                return -EIO;
 
-       owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE,
+       owner = ioremap(pci_resource_start(dev->persist->pdev, 0) +
+                       MLX4_OWNER_BASE,
                        MLX4_OWNER_SIZE);
        if (!owner) {
                mlx4_err(dev, "Failed to obtain ownership bit\n");
@@ -2463,10 +2475,11 @@ static void mlx4_free_ownership(struct mlx4_dev *dev)
 {
        void __iomem *owner;
 
-       if (pci_channel_offline(dev->pdev))
+       if (pci_channel_offline(dev->persist->pdev))
                return;
 
-       owner = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_OWNER_BASE,
+       owner = ioremap(pci_resource_start(dev->persist->pdev, 0) +
+                       MLX4_OWNER_BASE,
                        MLX4_OWNER_SIZE);
        if (!owner) {
                mlx4_err(dev, "Failed to obtain ownership bit\n");
@@ -2514,13 +2527,13 @@ static u64 mlx4_enable_sriov(struct mlx4_dev *dev, struct pci_dev *pdev,
                dev_flags |= MLX4_FLAG_SRIOV |
                        MLX4_FLAG_MASTER;
                dev_flags &= ~MLX4_FLAG_SLAVE;
-               dev->num_vfs = total_vfs;
+               dev->persist->num_vfs = total_vfs;
        }
        return dev_flags;
 
 disable_sriov:
        atomic_dec(&pf_loading);
-       dev->num_vfs = 0;
+       dev->persist->num_vfs = 0;
        kfree(dev->dev_vfs);
        return dev_flags & ~MLX4_FLAG_MASTER;
 }
@@ -2607,7 +2620,7 @@ static int mlx4_load_one(struct pci_dev *pdev, int pci_dev_data,
                        existing_vfs = pci_num_vf(pdev);
                        if (existing_vfs)
                                dev->flags |= MLX4_FLAG_SRIOV;
-                       dev->num_vfs = total_vfs;
+                       dev->persist->num_vfs = total_vfs;
                }
        }
 
@@ -2771,12 +2784,14 @@ slave_start:
                                 dev->caps.num_ports);
                        goto err_close;
                }
-               memcpy(dev->nvfs, nvfs, sizeof(dev->nvfs));
+               memcpy(dev->persist->nvfs, nvfs, sizeof(dev->persist->nvfs));
 
-               for (i = 0; i < sizeof(dev->nvfs)/sizeof(dev->nvfs[0]); i++) {
+               for (i = 0;
+                    i < sizeof(dev->persist->nvfs)/
+                    sizeof(dev->persist->nvfs[0]); i++) {
                        unsigned j;
 
-                       for (j = 0; j < dev->nvfs[i]; ++sum, ++j) {
+                       for (j = 0; j < dev->persist->nvfs[i]; ++sum, ++j) {
                                dev->dev_vfs[sum].min_port = i < 2 ? i + 1 : 1;
                                dev->dev_vfs[sum].n_ports = i < 2 ? 1 :
                                        dev->caps.num_ports;
@@ -2846,7 +2861,7 @@ slave_start:
 
        priv->removed = 0;
 
-       if (mlx4_is_master(dev) && dev->num_vfs)
+       if (mlx4_is_master(dev) && dev->persist->num_vfs)
                atomic_dec(&pf_loading);
 
        kfree(dev_cap);
@@ -2908,7 +2923,7 @@ err_sriov:
        if (dev->flags & MLX4_FLAG_SRIOV && !existing_vfs)
                pci_disable_sriov(pdev);
 
-       if (mlx4_is_master(dev) && dev->num_vfs)
+       if (mlx4_is_master(dev) && dev->persist->num_vfs)
                atomic_dec(&pf_loading);
 
        kfree(priv->dev.dev_vfs);
@@ -3076,20 +3091,28 @@ static int mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                return -ENOMEM;
 
        dev       = &priv->dev;
-       dev->pdev = pdev;
-       pci_set_drvdata(pdev, dev);
+       dev->persist = kzalloc(sizeof(*dev->persist), GFP_KERNEL);
+       if (!dev->persist) {
+               kfree(priv);
+               return -ENOMEM;
+       }
+       dev->persist->pdev = pdev;
+       dev->persist->dev = dev;
+       pci_set_drvdata(pdev, dev->persist);
        priv->pci_dev_data = id->driver_data;
 
        ret =  __mlx4_init_one(pdev, id->driver_data, priv);
-       if (ret)
+       if (ret) {
+               kfree(dev->persist);
                kfree(priv);
-
+       }
        return ret;
 }
 
 static void mlx4_unload_one(struct pci_dev *pdev)
 {
-       struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
+       struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev);
+       struct mlx4_dev  *dev  = persist->dev;
        struct mlx4_priv *priv = mlx4_priv(dev);
        int               pci_dev_data;
        int p;
@@ -3155,7 +3178,7 @@ static void mlx4_unload_one(struct pci_dev *pdev)
                mlx4_warn(dev, "Disabling SR-IOV\n");
                pci_disable_sriov(pdev);
                dev->flags &= ~MLX4_FLAG_SRIOV;
-               dev->num_vfs = 0;
+               dev->persist->num_vfs = 0;
        }
 
        if (!mlx4_is_slave(dev))
@@ -3175,26 +3198,29 @@ static void mlx4_unload_one(struct pci_dev *pdev)
 
 static void mlx4_remove_one(struct pci_dev *pdev)
 {
-       struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
+       struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev);
+       struct mlx4_dev  *dev  = persist->dev;
        struct mlx4_priv *priv = mlx4_priv(dev);
 
        mlx4_unload_one(pdev);
        pci_release_regions(pdev);
        pci_disable_device(pdev);
+       kfree(dev->persist);
        kfree(priv);
        pci_set_drvdata(pdev, NULL);
 }
 
 int mlx4_restart_one(struct pci_dev *pdev)
 {
-       struct mlx4_dev  *dev  = pci_get_drvdata(pdev);
+       struct mlx4_dev_persistent *persist = pci_get_drvdata(pdev);
+       struct mlx4_dev  *dev  = persist->dev;
        struct mlx4_priv *priv = mlx4_priv(dev);
        int nvfs[MLX4_MAX_PORTS + 1] = {0, 0, 0};
        int pci_dev_data, err, total_vfs;
 
        pci_dev_data = priv->pci_dev_data;
-       total_vfs = dev->num_vfs;
-       memcpy(nvfs, dev->nvfs, sizeof(dev->nvfs));
+       total_vfs = dev->persist->num_vfs;
+       memcpy(nvfs, dev->persist->nvfs, sizeof(dev->persist->nvfs));
 
        mlx4_unload_one(pdev);
        err = mlx4_load_one(pdev, pci_dev_data, total_vfs, nvfs, priv);

diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index bdd4eea..faa37ab 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -221,16 +221,17 @@ extern int mlx4_debug_level;
 #define mlx4_dbg(mdev, format, ...)                                    \
 do {                                                                   \
        if (mlx4_debug_level)                                           \
-               dev_printk(KERN_DEBUG, &(mdev)->pdev->dev, format,      \
+               dev_printk(KERN_DEBUG,                                  \
+                          &(mdev)->persist->pdev->dev, format,         \
                           ##__VA_ARGS__);                              \
 } while (0)
 
 #define mlx4_err(mdev, format, ...)                                    \
-       dev_err(&(mdev)->pdev->dev, format, ##__VA_ARGS__)
+       dev_err(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 #define mlx4_info(mdev, format, ...)                                   \
-       dev_info(&(mdev)->pdev->dev, format, ##__VA_ARGS__)
+       dev_info(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 #define mlx4_warn(mdev, format, ...)                                   \
-       dev_warn(&(mdev)->pdev->dev, format, ##__VA_ARGS__)
+       dev_warn(&(mdev)->persist->pdev->dev, format, ##__VA_ARGS__)
 
 extern int mlx4_log_num_mgm_entry_size;
 extern int log_mtts_per_seg;

diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c
index 7094a9c..8dbdf1d 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/mr.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mr.c
@@ -708,13 +708,13 @@ static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
        if (!mtts)
                return -ENOMEM;
 
-       dma_sync_single_for_cpu(&dev->pdev->dev, dma_handle,
+       dma_sync_single_for_cpu(&dev->persist->pdev->dev, dma_handle,
                                npages * sizeof (u64), DMA_TO_DEVICE);
 
        for (i = 0; i < npages; ++i)
                mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
 
-       dma_sync_single_for_device(&dev->pdev->dev, dma_handle,
+       dma_sync_single_for_device(&dev->persist->pdev->dev, dma_handle,
                                   npages * sizeof (u64), DMA_TO_DEVICE);
 
        return 0;
@@ -1020,13 +1020,13 @@ int mlx4_map_phys_fmr(struct mlx4_dev *dev, struct mlx4_fmr *fmr, u64 *page_list
        /* Make sure MPT status is visible before writing MTT entries */
        wmb();
 
-       dma_sync_single_for_cpu(&dev->pdev->dev, fmr->dma_handle,
+       dma_sync_single_for_cpu(&dev->persist->pdev->dev, fmr->dma_handle,
                                npages * sizeof(u64), DMA_TO_DEVICE);
 
        for (i = 0; i < npages; ++i)
                fmr->mtts[i] = cpu_to_be64(page_list[i] | MLX4_MTT_FLAG_PRESENT);
 
-       dma_sync_single_for_device(&dev->pdev->dev, fmr->dma_handle,
+       dma_sync_single_for_device(&dev->persist->pdev->dev, fmr->dma_handle,
                                   npages * sizeof(u64), DMA_TO_DEVICE);
 
        fmr->mpt->key    = cpu_to_be32(key);

diff --git a/drivers/net/ethernet/mellanox/mlx4/pd.c b/drivers/net/ethernet/mellanox/mlx4/pd.c
index 7421607..a42b4c0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/pd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/pd.c
@@ -151,11 +151,13 @@ int mlx4_uar_alloc(struct mlx4_dev *dev, struct mlx4_uar *uar)
                return -ENOMEM;
 
        if (mlx4_is_slave(dev))
-               offset = uar->index % ((int) pci_resource_len(dev->pdev, 2) /
+               offset = uar->index % ((int)pci_resource_len(dev->persist->pdev,
+                                                            2) /
                                       dev->caps.uar_page_size);
        else
                offset = uar->index;
-       uar->pfn = (pci_resource_start(dev->pdev, 2) >> PAGE_SHIFT) + offset;
+       uar->pfn = (pci_resource_start(dev->persist->pdev, 2) >> PAGE_SHIFT)
+                   + offset;
        uar->map = NULL;
        return 0;
 }

diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c
index 30eb1ea..9f268f0 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/port.c
+++ b/drivers/net/ethernet/mellanox/mlx4/port.c
@@ -553,9 +553,9 @@ int mlx4_get_slave_num_gids(struct mlx4_dev *dev, int slave, int port)
                slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
                                    dev, &exclusive_ports);
                slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
-                                          dev->num_vfs + 1);
+                                          dev->persist->num_vfs + 1);
        }
-       vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+       vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1;
        if (slave_gid <= ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) % vfs))
                return ((MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs) + 1;
        return (MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS) / vfs;
@@ -590,10 +590,10 @@ int mlx4_get_base_gid_ix(struct mlx4_dev *dev, int slave, int port)
                slaves_pport_actv = mlx4_phys_to_slaves_pport_actv(
                                    dev, &exclusive_ports);
                slave_gid -= bitmap_weight(slaves_pport_actv.slaves,
-                                          dev->num_vfs + 1);
+                                          dev->persist->num_vfs + 1);
        }
        gids = MLX4_ROCE_MAX_GIDS - MLX4_ROCE_PF_GIDS;
-       vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+       vfs = bitmap_weight(slaves_pport.slaves, dev->persist->num_vfs + 1) - 1;
        if (slave_gid <= gids % vfs)
                return MLX4_ROCE_PF_GIDS + ((gids / vfs) + 1) * (slave_gid - 1);
 
@@ -644,7 +644,7 @@ void mlx4_reset_roce_gids(struct mlx4_dev *dev, int slave)
        int num_eth_ports, err;
        int i;
 
-       if (slave < 0 || slave > dev->num_vfs)
+       if (slave < 0 || slave > dev->persist->num_vfs)
                return;
 
        actv_ports = mlx4_get_active_ports(dev, slave);
@@ -1214,7 +1214,8 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
                return -EINVAL;
 
        slaves_pport = mlx4_phys_to_slaves_pport(dev, port);
-       num_vfs = bitmap_weight(slaves_pport.slaves, dev->num_vfs + 1) - 1;
+       num_vfs = bitmap_weight(slaves_pport.slaves,
+                               dev->persist->num_vfs + 1) - 1;
 
        for (i = 0; i < MLX4_ROCE_MAX_GIDS; i++) {
                if (!memcmp(priv->port[port].gid_table.roce_gids[i].raw, gid,
@@ -1258,7 +1259,7 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
                                                        dev, &exclusive_ports);
                                num_vfs_before += bitmap_weight(
                                                slaves_pport_actv.slaves,
-                                               dev->num_vfs + 1);
+                                               dev->persist->num_vfs + 1);
                        }
 
                        /* candidate_slave_gid isn't necessarily the correct slave, but
@@ -1288,7 +1289,7 @@ int mlx4_get_slave_from_roce_gid(struct mlx4_dev *dev, int port, u8 *gid,
                                                dev, &exclusive_ports);
                                slave_gid += bitmap_weight(
                                                slaves_pport_actv.slaves,
-                                               dev->num_vfs + 1);
+                                               dev->persist->num_vfs + 1);
                        }
                }
                *slave_id = slave_gid;

diff --git a/drivers/net/ethernet/mellanox/mlx4/reset.c b/drivers/net/ethernet/mellanox/mlx4/reset.c
index ea1c6d0..0076d88 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/reset.c
+++ b/drivers/net/ethernet/mellanox/mlx4/reset.c
@@ -76,19 +76,21 @@ int mlx4_reset(struct mlx4_dev *dev)
                goto out;
        }
 
-       pcie_cap = pci_pcie_cap(dev->pdev);
+       pcie_cap = pci_pcie_cap(dev->persist->pdev);
 
        for (i = 0; i < 64; ++i) {
                if (i == 22 || i == 23)
                        continue;
-               if (pci_read_config_dword(dev->pdev, i * 4, hca_header + i)) {
+               if (pci_read_config_dword(dev->persist->pdev, i * 4,
+                                         hca_header + i)) {
                        err = -ENODEV;
                        mlx4_err(dev, "Couldn't save HCA PCI header, aborting\n");
                        goto out;
                }
        }
 
-       reset = ioremap(pci_resource_start(dev->pdev, 0) + MLX4_RESET_BASE,
+       reset = ioremap(pci_resource_start(dev->persist->pdev, 0) +
+                       MLX4_RESET_BASE,
                        MLX4_RESET_SIZE);
        if (!reset) {
                err = -ENOMEM;
@@ -122,8 +124,8 @@ int mlx4_reset(struct mlx4_dev *dev)
 
        end = jiffies + MLX4_RESET_TIMEOUT_JIFFIES;
        do {
-               if (!pci_read_config_word(dev->pdev, PCI_VENDOR_ID, &vendor) &&
-                   vendor != 0xffff)
+               if (!pci_read_config_word(dev->persist->pdev, PCI_VENDOR_ID,
+                                         &vendor) && vendor != 0xffff)
                        break;
 
                msleep(1);
@@ -138,14 +140,16 @@ int mlx4_reset(struct mlx4_dev *dev)
        /* Now restore the PCI headers */
        if (pcie_cap) {
                devctl = hca_header[(pcie_cap + PCI_EXP_DEVCTL) / 4];
-               if (pcie_capability_write_word(dev->pdev, PCI_EXP_DEVCTL,
+               if (pcie_capability_write_word(dev->persist->pdev,
+                                              PCI_EXP_DEVCTL,
                                               devctl)) {
                        err = -ENODEV;
                        mlx4_err(dev, "Couldn't restore HCA PCI Express Device Control register, aborting\n");
                        goto out;
                }
                linkctl = hca_header[(pcie_cap + PCI_EXP_LNKCTL) / 4];
-               if (pcie_capability_write_word(dev->pdev, PCI_EXP_LNKCTL,
+               if (pcie_capability_write_word(dev->persist->pdev,
+                                              PCI_EXP_LNKCTL,
                                               linkctl)) {
                        err = -ENODEV;
                        mlx4_err(dev, "Couldn't restore HCA PCI Express Link control register, aborting\n");
@@ -157,7 +161,8 @@ int mlx4_reset(struct mlx4_dev *dev)
                if (i * 4 == PCI_COMMAND)
                        continue;
 
-               if (pci_write_config_dword(dev->pdev, i * 4, hca_header[i])) {
+               if (pci_write_config_dword(dev->persist->pdev, i * 4,
+                                          hca_header[i])) {
                        err = -ENODEV;
                        mlx4_err(dev, "Couldn't restore HCA reg %x, aborting\n",
                                 i);
@@ -165,7 +170,7 @@ int mlx4_reset(struct mlx4_dev *dev)
                }
        }
 
-       if (pci_write_config_dword(dev->pdev, PCI_COMMAND,
+       if (pci_write_config_dword(dev->persist->pdev, PCI_COMMAND,
                                   hca_header[PCI_COMMAND / 4])) {
                err = -ENODEV;
                mlx4_err(dev, "Couldn't restore HCA COMMAND, aborting\n");

diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 4efbd1e..3e93879 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -309,12 +309,13 @@ static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave,
        int allocated, free, reserved, guaranteed, from_free;
        int from_rsvd;
 
-       if (slave > dev->num_vfs)
+       if (slave > dev->persist->num_vfs)
                return -EINVAL;
 
        spin_lock(&res_alloc->alloc_lock);
        allocated = (port > 0) ?
-               res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] :
+               res_alloc->allocated[(port - 1) *
+               (dev->persist->num_vfs + 1) + slave] :
                res_alloc->allocated[slave];
        free = (port > 0) ? res_alloc->res_port_free[port - 1] :
                res_alloc->res_free;
@@ -352,7 +353,8 @@ static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave,
        if (!err) {
                /* grant the request */
                if (port > 0) {
-                       res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] += count;
+                       res_alloc->allocated[(port - 1) *
+                       (dev->persist->num_vfs + 1) + slave] += count;
                        res_alloc->res_port_free[port - 1] -= count;
                        res_alloc->res_port_rsvd[port - 1] -= from_rsvd;
                } else {
@@ -376,13 +378,14 @@ static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave,
                &priv->mfunc.master.res_tracker.res_alloc[res_type];
        int allocated, guaranteed, from_rsvd;
 
-       if (slave > dev->num_vfs)
+       if (slave > dev->persist->num_vfs)
                return;
 
        spin_lock(&res_alloc->alloc_lock);
 
        allocated = (port > 0) ?
-               res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] :
+               res_alloc->allocated[(port - 1) *
+               (dev->persist->num_vfs + 1) + slave] :
                res_alloc->allocated[slave];
        guaranteed = res_alloc->guaranteed[slave];
 
@@ -397,7 +400,8 @@ static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave,
        }
 
        if (port > 0) {
-               res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] -= count;
+               res_alloc->allocated[(port - 1) *
+               (dev->persist->num_vfs + 1) + slave] -= count;
                res_alloc->res_port_free[port - 1] += count;
                res_alloc->res_port_rsvd[port - 1] += from_rsvd;
        } else {
@@ -415,7 +419,8 @@ static inline void initialize_res_quotas(struct mlx4_dev *dev,
                                         enum mlx4_resource res_type,
                                         int vf, int num_instances)
 {
-       res_alloc->guaranteed[vf] = num_instances / (2 * (dev->num_vfs + 1));
+       res_alloc->guaranteed[vf] = num_instances /
+                                   (2 * (dev->persist->num_vfs + 1));
        res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf];
        if (vf == mlx4_master_func_num(dev)) {
                res_alloc->res_free = num_instances;
@@ -486,21 +491,26 @@ int mlx4_init_resource_tracker(struct mlx4_dev *dev)
        for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) {
                struct resource_allocator *res_alloc =
                        &priv->mfunc.master.res_tracker.res_alloc[i];
-               res_alloc->quota = kmalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL);
-               res_alloc->guaranteed = kmalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL);
+               res_alloc->quota = kmalloc((dev->persist->num_vfs + 1) *
+                                          sizeof(int), GFP_KERNEL);
+               res_alloc->guaranteed = kmalloc((dev->persist->num_vfs + 1) *
+                                               sizeof(int), GFP_KERNEL);
                if (i == RES_MAC || i == RES_VLAN)
                        res_alloc->allocated = kzalloc(MLX4_MAX_PORTS *
-                                                      (dev->num_vfs + 1) * sizeof(int),
-                                                       GFP_KERNEL);
+                                                      (dev->persist->num_vfs
+                                                      + 1) *
+                                                      sizeof(int), GFP_KERNEL);
                else
-                       res_alloc->allocated = kzalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL);
+                       res_alloc->allocated = kzalloc((dev->persist->
+                                                       num_vfs + 1) *
+                                                      sizeof(int), GFP_KERNEL);
 
                if (!res_alloc->quota || !res_alloc->guaranteed ||
                    !res_alloc->allocated)
                        goto no_mem_err;
 
                spin_lock_init(&res_alloc->alloc_lock);
-               for (t = 0; t < dev->num_vfs + 1; t++) {
+               for (t = 0; t < dev->persist->num_vfs + 1; t++) {
                        struct mlx4_active_ports actv_ports =
                                mlx4_get_active_ports(dev, t);
                        switch (i) {

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index f1e41b3..1069ce6 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -744,8 +744,15 @@ struct mlx4_vf_dev {
        u8                      n_ports;
 };
 
-struct mlx4_dev {
+struct mlx4_dev_persistent {
        struct pci_dev         *pdev;
+       struct mlx4_dev        *dev;
+       int                     nvfs[MLX4_MAX_PORTS + 1];
+       int                     num_vfs;
+};
+
+struct mlx4_dev {
+       struct mlx4_dev_persistent *persist;
        unsigned long           flags;
        unsigned long           num_slaves;
        struct mlx4_caps        caps;
@@ -754,13 +761,11 @@ struct mlx4_dev {
        struct radix_tree_root  qp_table_tree;
        u8                      rev_id;
        char                    board_id[MLX4_BOARD_ID_LEN];
-       int                     num_vfs;
        int                     numa_node;
        int                     oper_log_mgm_entry_size;
        u64                     regid_promisc_array[MLX4_MAX_PORTS + 1];
        u64                     regid_allmulti_array[MLX4_MAX_PORTS + 1];
        struct mlx4_vf_dev     *dev_vfs;
-       int                     nvfs[MLX4_MAX_PORTS + 1];
 };
 
 struct mlx4_eqe {