mlx4_core: Extend capability flags to 64 bits

The latest firmware adds a second dword containing more device flags,
so extend the device capabilities flags field from 32 to 64 bits.
Derived from patch by Eli Cohen <eli@mellanox.co.il>

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c
index 67a209b..346d8b3 100644 (file)
--- a/drivers/net/mlx4/fw.c
+++ b/drivers/net/mlx4/fw.c
@@ -75,7 +75,7 @@ MODULE_PARM_DESC(enable_qos, "Enable Quality of Service support in the HCA (defa
                }                                                     \
        } while (0)
 
-static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
+static void dump_dev_cap_flags(struct mlx4_dev *dev, u64 flags)
 {
        static const char *fname[] = {
                [ 0] = "RC transport",
@@ -105,7 +105,7 @@ static void dump_dev_cap_flags(struct mlx4_dev *dev, u32 flags)
 
        mlx4_dbg(dev, "DEV_CAP flags:\n");
        for (i = 0; i < ARRAY_SIZE(fname); ++i)
-               if (fname[i] && (flags & (1 << i)))
+               if (fname[i] && (flags & (1LL << i)))
                        mlx4_dbg(dev, "    %s\n", fname[i]);
 }
 
@@ -142,7 +142,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
        struct mlx4_cmd_mailbox *mailbox;
        u32 *outbox;
        u8 field;
-       u32 field32;
+       u32 field32, flags;
        u16 size;
        u16 stat_rate;
        int err;
@@ -279,7 +279,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
        MLX4_GET(field, outbox, QUERY_DEV_CAP_ETH_UC_LOOPBACK_OFFSET);
        dev_cap->loopback_support = field & 0x1;
        dev_cap->wol = field & 0x40;
-       MLX4_GET(dev_cap->flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
+       MLX4_GET(flags, outbox, QUERY_DEV_CAP_FLAGS_OFFSET);
+       dev_cap->flags = flags;
        MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_UAR_OFFSET);
        dev_cap->reserved_uars = field >> 4;
        MLX4_GET(field, outbox, QUERY_DEV_CAP_UAR_SZ_OFFSET);

diff --git a/drivers/net/mlx4/fw.h b/drivers/net/mlx4/fw.h
index 88003eb..2a8d110 100644 (file)
--- a/drivers/net/mlx4/fw.h
+++ b/drivers/net/mlx4/fw.h
@@ -83,7 +83,7 @@ struct mlx4_dev_cap {
        int vep_uc_steering;
        int vep_mc_steering;
        int wol;
-       u32 flags;
+       u64 flags;
        int reserved_uars;
        int uar_size;
        int min_page_sz;

diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index 8985768..f337e98 100644 (file)
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -58,22 +58,22 @@ enum {
 };
 
 enum {
-       MLX4_DEV_CAP_FLAG_RC            = 1 <<  0,
-       MLX4_DEV_CAP_FLAG_UC            = 1 <<  1,
-       MLX4_DEV_CAP_FLAG_UD            = 1 <<  2,
-       MLX4_DEV_CAP_FLAG_SRQ           = 1 <<  6,
-       MLX4_DEV_CAP_FLAG_IPOIB_CSUM    = 1 <<  7,
-       MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 <<  8,
-       MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 <<  9,
-       MLX4_DEV_CAP_FLAG_DPDP          = 1 << 12,
-       MLX4_DEV_CAP_FLAG_BLH           = 1 << 15,
-       MLX4_DEV_CAP_FLAG_MEM_WINDOW    = 1 << 16,
-       MLX4_DEV_CAP_FLAG_APM           = 1 << 17,
-       MLX4_DEV_CAP_FLAG_ATOMIC        = 1 << 18,
-       MLX4_DEV_CAP_FLAG_RAW_MCAST     = 1 << 19,
-       MLX4_DEV_CAP_FLAG_UD_AV_PORT    = 1 << 20,
-       MLX4_DEV_CAP_FLAG_UD_MCAST      = 1 << 21,
-       MLX4_DEV_CAP_FLAG_IBOE          = 1 << 30
+       MLX4_DEV_CAP_FLAG_RC            = 1LL <<  0,
+       MLX4_DEV_CAP_FLAG_UC            = 1LL <<  1,
+       MLX4_DEV_CAP_FLAG_UD            = 1LL <<  2,
+       MLX4_DEV_CAP_FLAG_SRQ           = 1LL <<  6,
+       MLX4_DEV_CAP_FLAG_IPOIB_CSUM    = 1LL <<  7,
+       MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1LL <<  8,
+       MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1LL <<  9,
+       MLX4_DEV_CAP_FLAG_DPDP          = 1LL << 12,
+       MLX4_DEV_CAP_FLAG_BLH           = 1LL << 15,
+       MLX4_DEV_CAP_FLAG_MEM_WINDOW    = 1LL << 16,
+       MLX4_DEV_CAP_FLAG_APM           = 1LL << 17,
+       MLX4_DEV_CAP_FLAG_ATOMIC        = 1LL << 18,
+       MLX4_DEV_CAP_FLAG_RAW_MCAST     = 1LL << 19,
+       MLX4_DEV_CAP_FLAG_UD_AV_PORT    = 1LL << 20,
+       MLX4_DEV_CAP_FLAG_UD_MCAST      = 1LL << 21,
+       MLX4_DEV_CAP_FLAG_IBOE          = 1LL << 30
 };
 
 enum {
@@ -253,7 +253,7 @@ struct mlx4_caps {
        int                     mtt_entry_sz;
        u32                     max_msg_sz;
        u32                     page_size_cap;
-       u32                     flags;
+       u64                     flags;
        u32                     bmme_flags;
        u32                     reserved_lkey;
        u16                     stat_rate_support;