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authorNaresh Gottumukkala <bgottumukkala@emulex.com>2013-08-26 13:57:47 +0400
committerRoland Dreier <roland@purestorage.com>2013-09-03 08:18:43 +0400
commitf24ceba6b6454f68f456981be2a337b6390d9aa0 (patch)
tree407cde51972f472b02dc819da930ee7785c381a3 /drivers/infiniband/hw
parentc43e9ab84d853f499a2fd531362973c8e505b342 (diff)
downloadlinux-f24ceba6b6454f68f456981be2a337b6390d9aa0.tar.xz
RDMA/ocrdma: Fix for displaying proper link speed
Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.c28
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.h1
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_sli.h27
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c43
4 files changed, 97 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 3f027552a1a1..ea3d7237596a 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -1101,6 +1101,34 @@ mbx_err:
return status;
}
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
+{
+ int status = -ENOMEM;
+ struct ocrdma_get_link_speed_rsp *rsp;
+ struct ocrdma_mqe *cmd;
+
+ cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1,
+ sizeof(*cmd));
+ if (!cmd)
+ return status;
+ ocrdma_init_mch((struct ocrdma_mbx_hdr *)&cmd->u.cmd[0],
+ OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1,
+ OCRDMA_SUBSYS_COMMON, sizeof(*cmd));
+
+ ((struct ocrdma_mbx_hdr *)cmd->u.cmd)->rsvd_version = 0x1;
+
+ status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
+ if (status)
+ goto mbx_err;
+
+ rsp = (struct ocrdma_get_link_speed_rsp *)cmd;
+ *lnk_speed = rsp->phys_port_speed;
+
+mbx_err:
+ kfree(cmd);
+ return status;
+}
+
int ocrdma_mbx_alloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd)
{
int status = -ENOMEM;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
index 044db74e780a..f2a89d4cc7c4 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -91,6 +91,7 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
bool solicited, u16 cqe_popped);
/* verbs specific mailbox commands */
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
int ocrdma_query_config(struct ocrdma_dev *,
struct ocrdma_mbx_query_config *config);
int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 35c61080ae1e..9e975d888449 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -70,6 +70,7 @@ enum {
#define OCRDMA_SUBSYS_COMMON 1
enum {
+ OCRDMA_CMD_QUERY_NTWK_LINK_CONFIG_V1 = 5,
OCRDMA_CMD_CREATE_CQ = 12,
OCRDMA_CMD_CREATE_EQ = 13,
OCRDMA_CMD_CREATE_MQ = 21,
@@ -545,6 +546,32 @@ enum {
OCRDMA_FN_MODE_RDMA = 0x4
};
+struct ocrdma_get_link_speed_rsp {
+ struct ocrdma_mqe_hdr hdr;
+ struct ocrdma_mbx_rsp rsp;
+
+ u8 pt_port_num;
+ u8 link_duplex;
+ u8 phys_port_speed;
+ u8 phys_port_fault;
+ u16 rsvd1;
+ u16 qos_lnk_speed;
+ u8 logical_lnk_status;
+ u8 rsvd2[3];
+};
+
+enum {
+ OCRDMA_PHYS_LINK_SPEED_ZERO = 0x0,
+ OCRDMA_PHYS_LINK_SPEED_10MBPS = 0x1,
+ OCRDMA_PHYS_LINK_SPEED_100MBPS = 0x2,
+ OCRDMA_PHYS_LINK_SPEED_1GBPS = 0x3,
+ OCRDMA_PHYS_LINK_SPEED_10GBPS = 0x4,
+ OCRDMA_PHYS_LINK_SPEED_20GBPS = 0x5,
+ OCRDMA_PHYS_LINK_SPEED_25GBPS = 0x6,
+ OCRDMA_PHYS_LINK_SPEED_40GBPS = 0x7,
+ OCRDMA_PHYS_LINK_SPEED_100GBPS = 0x8
+};
+
enum {
OCRDMA_CREATE_CQ_VER2 = 2,
OCRDMA_CREATE_CQ_VER3 = 3,
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index e934073e7052..f09a9403b600 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -106,6 +106,45 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
return 0;
}
+static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
+ u8 *ib_speed, u8 *ib_width)
+{
+ int status;
+ u8 speed;
+
+ status = ocrdma_mbx_get_link_speed(dev, &speed);
+ if (status)
+ speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
+
+ switch (speed) {
+ case OCRDMA_PHYS_LINK_SPEED_1GBPS:
+ *ib_speed = IB_SPEED_SDR;
+ *ib_width = IB_WIDTH_1X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_10GBPS:
+ *ib_speed = IB_SPEED_QDR;
+ *ib_width = IB_WIDTH_1X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_20GBPS:
+ *ib_speed = IB_SPEED_DDR;
+ *ib_width = IB_WIDTH_4X;
+ break;
+
+ case OCRDMA_PHYS_LINK_SPEED_40GBPS:
+ *ib_speed = IB_SPEED_QDR;
+ *ib_width = IB_WIDTH_4X;
+ break;
+
+ default:
+ /* Unsupported */
+ *ib_speed = IB_SPEED_SDR;
+ *ib_width = IB_WIDTH_1X;
+ };
+}
+
+
int ocrdma_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
@@ -142,8 +181,8 @@ int ocrdma_query_port(struct ib_device *ibdev,
props->pkey_tbl_len = 1;
props->bad_pkey_cntr = 0;
props->qkey_viol_cntr = 0;
- props->active_width = IB_WIDTH_1X;
- props->active_speed = 4;
+ get_link_speed_and_width(dev, &props->active_speed,
+ &props->active_width);
props->max_msg_sz = 0x80000000;
props->max_vl_num = 4;
return 0;