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qed: Add support for MFW resource locking.

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The patch adds API for default initialization of the MFW resource
locking.

Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
sudarsana.kalluru@cavium.com
2017-04-26 09:00:49 -07:00
committed by David S. Miller
parent 26d31ac11f
commit f470f22cfa
3 changed files with 49 additions and 11 deletions
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12
drivers/net/ethernet/qlogic/qed/qed_dev.c
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@@ -2347,9 +2347,6 @@ static int qed_hw_set_resc_info(struct qed_hwfn *p_hwfn)
return 0;
}
#define QED_RESC_ALLOC_LOCK_RETRY_CNT 10
#define QED_RESC_ALLOC_LOCK_RETRY_INTVL_US 10000 /* 10 msec */
static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
{
struct qed_resc_unlock_params resc_unlock_params;
@@ -2366,13 +2363,8 @@ static int qed_hw_get_resc(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
* needed, and proceed to the queries. Other failures, including a
* failure to acquire the lock, will cause this function to fail.
*/
memset(&resc_lock_params, 0, sizeof(resc_lock_params));
resc_lock_params.resource = QED_RESC_LOCK_RESC_ALLOC;
resc_lock_params.retry_num = QED_RESC_ALLOC_LOCK_RETRY_CNT;
resc_lock_params.retry_interval = QED_RESC_ALLOC_LOCK_RETRY_INTVL_US;
resc_lock_params.sleep_b4_retry = true;
memset(&resc_unlock_params, 0, sizeof(resc_unlock_params));
resc_unlock_params.resource = QED_RESC_LOCK_RESC_ALLOC;
qed_mcp_resc_lock_default_init(&resc_lock_params, &resc_unlock_params,
QED_RESC_LOCK_RESC_ALLOC, false);
rc = qed_mcp_resc_lock(p_hwfn, p_ptt, &resc_lock_params);
if (rc && rc != -EINVAL) {