From: Ram Amrani <ram.amr...@cavium.com>
Output to the RDMA driver whether DPM mode is enabled or disabled in
the HW and if so what is the number of WIDs it supports
Signed-off-by: Ram Amrani <ram.amr...@cavium.com>
Signed-off-by: Yuval Mintz <yuval.mi...@cavium.com>
---
drivers/net/ethernet/qlogic/qed/qed.h | 1 +
drivers/net/ethernet/qlogic/qed/qed_dev.c | 4 +++-
drivers/net/ethernet/qlogic/qed/qed_roce.c | 4 ++++
include/linux/qed/qed_roce_if.h | 2 ++
4 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qed/qed.h
b/drivers/net/ethernet/qlogic/qed/qed.h
index edf3b68..2ab1aab 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -526,6 +526,7 @@ struct qed_hwfn {
struct dbg_tools_data dbg_info;
/* PWM region specific data */
+ u16 wid_count;
u32 dpi_size;
u32 dpi_count;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c
b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index c478e07..5f31140 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -1354,7 +1354,7 @@ enum QED_ROCE_EDPM_MODE {
{
u32 pwm_regsize, norm_regsize;
u32 non_pwm_conn, min_addr_reg1;
- u32 db_bar_size, n_cpus;
+ u32 db_bar_size, n_cpus = 1;
u32 roce_edpm_mode;
u32 pf_dems_shift;
int rc = 0;
@@ -1415,6 +1415,8 @@ enum QED_ROCE_EDPM_MODE {
qed_rdma_dpm_bar(p_hwfn, p_ptt);
}
+ p_hwfn->wid_count = (u16) n_cpus;
+
DP_INFO(p_hwfn,
"doorbell bar: normal_region_size=%d, pwm_region_size=%d,
dpi_size=%d, dpi_count=%d, roce_edpm=%s\n",
norm_regsize,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c
b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index f36e3c3..8d6ad87 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -784,6 +784,7 @@ static int qed_rdma_add_user(void *rdma_cxt,
((out_params->dpi) * p_hwfn->dpi_size);
out_params->dpi_size = p_hwfn->dpi_size;
+ out_params->wid_count = p_hwfn->wid_count;
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "Adding user - done, rc = %d\n", rc);
return rc;
@@ -856,9 +857,12 @@ static void qed_rdma_cnq_prod_update(void *rdma_cxt, u8
qz_offset, u16 prod)
static int qed_fill_rdma_dev_info(struct qed_dev *cdev,
struct qed_dev_rdma_info *info)
{
+ struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
+
memset(info, 0, sizeof(*info));
info->rdma_type = QED_RDMA_TYPE_ROCE;
+ info->user_dpm_enabled = (p_hwfn->db_bar_no_edpm == 0);
qed_fill_dev_info(cdev, &info->common);
diff --git a/include/linux/qed/qed_roce_if.h b/include/linux/qed/qed_roce_if.h
index f742d43..cbb2ff0 100644
--- a/include/linux/qed/qed_roce_if.h
+++ b/include/linux/qed/qed_roce_if.h
@@ -240,6 +240,7 @@ struct qed_rdma_add_user_out_params {
u64 dpi_addr;
u64 dpi_phys_addr;
u32 dpi_size;
+ u16 wid_count;
};
enum roce_mode {
@@ -533,6 +534,7 @@ enum qed_rdma_type {
struct qed_dev_rdma_info {
struct qed_dev_info common;
enum qed_rdma_type rdma_type;
+ u8 user_dpm_enabled;
};
struct qed_rdma_ops {
--
1.9.3
