RDMA/bnxt_re: optimize the parameters passed to helper functions
authorKashyap Desai <kashyap.desai@broadcom.com>
Fri, 9 Jun 2023 11:01:54 +0000 (04:01 -0700)
committerLeon Romanovsky <leon@kernel.org>
Mon, 12 Jun 2023 07:10:54 +0000 (10:10 +0300)
Avoid passing arguments like Opcode which can be retrieved from
bnxt_qplib_crsqe structure.

Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1686308514-11996-18-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/bnxt_re/qplib_rcfw.c

index 3ae2f82..bb5aeba 100644 (file)
@@ -93,9 +93,6 @@ static int bnxt_qplib_map_rc(u8 opcode)
  * bnxt_re_is_fw_stalled   -   Check firmware health
  * @rcfw      -   rcfw channel instance of rdev
  * @cookie    -   cookie to track the command
- * @opcode    -   rcfw submitted for given opcode
- * @cbit      -   bitmap entry of cookie
- * @in_used   -   command is in used or freed
  *
  * If firmware has not responded any rcfw command within
  * rcfw->max_timeout, consider firmware as stalled.
@@ -105,20 +102,22 @@ static int bnxt_qplib_map_rc(u8 opcode)
  * -ENODEV if firmware is not responding
  */
 static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw,
-                                u16 cookie, u8 opcode, bool in_used)
+                                u16 cookie)
 {
        struct bnxt_qplib_cmdq_ctx *cmdq;
+       struct bnxt_qplib_crsqe *crsqe;
 
+       crsqe = &rcfw->crsqe_tbl[cookie];
        cmdq = &rcfw->cmdq;
 
        if (time_after(jiffies, cmdq->last_seen +
                      (rcfw->max_timeout * HZ))) {
                dev_warn_ratelimited(&rcfw->pdev->dev,
                                     "%s: FW STALL Detected. cmdq[%#x]=%#x waited (%d > %d) msec active %d ",
-                                    __func__, cookie, opcode,
+                                    __func__, cookie, crsqe->opcode,
                                     jiffies_to_msecs(jiffies - cmdq->last_seen),
                                     rcfw->max_timeout * 1000,
-                                    in_used);
+                                    crsqe->is_in_used);
                return -ENODEV;
        }
 
@@ -129,7 +128,6 @@ static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw,
  * __wait_for_resp   - Don't hold the cpu context and wait for response
  * @rcfw      -   rcfw channel instance of rdev
  * @cookie    -   cookie to track the command
- * @opcode    -   rcfw submitted for given opcode
  *
  * Wait for command completion in sleepable context.
  *
@@ -137,7 +135,7 @@ static int bnxt_re_is_fw_stalled(struct bnxt_qplib_rcfw *rcfw,
  * 0 if command is completed by firmware.
  * Non zero error code for rest of the case.
  */
-static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
+static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
 {
        struct bnxt_qplib_cmdq_ctx *cmdq;
        struct bnxt_qplib_crsqe *crsqe;
@@ -148,7 +146,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
 
        do {
                if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags))
-                       return bnxt_qplib_map_rc(opcode);
+                       return bnxt_qplib_map_rc(crsqe->opcode);
                if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags))
                        return -ETIMEDOUT;
 
@@ -165,7 +163,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
                if (!crsqe->is_in_used)
                        return 0;
 
-               ret = bnxt_re_is_fw_stalled(rcfw, cookie, opcode, crsqe->is_in_used);
+               ret = bnxt_re_is_fw_stalled(rcfw, cookie);
                if (ret)
                        return ret;
 
@@ -176,7 +174,6 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
  * __block_for_resp   -        hold the cpu context and wait for response
  * @rcfw      -   rcfw channel instance of rdev
  * @cookie    -   cookie to track the command
- * @opcode    -   rcfw submitted for given opcode
  *
  * This function will hold the cpu (non-sleepable context) and
  * wait for command completion. Maximum holding interval is 8 second.
@@ -185,7 +182,7 @@ static int __wait_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
  * -ETIMEOUT if command is not completed in specific time interval.
  * 0 if command is completed by firmware.
  */
-static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
+static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
 {
        struct bnxt_qplib_cmdq_ctx *cmdq = &rcfw->cmdq;
        struct bnxt_qplib_crsqe *crsqe;
@@ -196,7 +193,7 @@ static int __block_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie, u8 opcode)
 
        do {
                if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags))
-                       return bnxt_qplib_map_rc(opcode);
+                       return bnxt_qplib_map_rc(crsqe->opcode);
                if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags))
                        return -ETIMEDOUT;
 
@@ -372,7 +369,6 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw,
  * __poll_for_resp   - self poll completion for rcfw command
  * @rcfw      -   rcfw channel instance of rdev
  * @cookie    -   cookie to track the command
- * @opcode    -   rcfw submitted for given opcode
  *
  * It works same as __wait_for_resp except this function will
  * do self polling in sort interval since interrupt is disabled.
@@ -382,8 +378,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw,
  * -ETIMEOUT if command is not completed in specific time interval.
  * 0 if command is completed by firmware.
  */
-static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie,
-                          u8 opcode)
+static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie)
 {
        struct bnxt_qplib_cmdq_ctx *cmdq = &rcfw->cmdq;
        struct bnxt_qplib_crsqe *crsqe;
@@ -395,7 +390,7 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie,
 
        do {
                if (test_bit(ERR_DEVICE_DETACHED, &cmdq->flags))
-                       return bnxt_qplib_map_rc(opcode);
+                       return bnxt_qplib_map_rc(crsqe->opcode);
                if (test_bit(FIRMWARE_STALL_DETECTED, &cmdq->flags))
                        return -ETIMEDOUT;
 
@@ -406,7 +401,7 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie,
                        return 0;
                if (jiffies_to_msecs(jiffies - issue_time) >
                    (rcfw->max_timeout * 1000)) {
-                       ret = bnxt_re_is_fw_stalled(rcfw, cookie, opcode, crsqe->is_in_used);
+                       ret = bnxt_re_is_fw_stalled(rcfw, cookie);
                        if (ret)
                                return ret;
                }
@@ -414,13 +409,12 @@ static int __poll_for_resp(struct bnxt_qplib_rcfw *rcfw, u16 cookie,
 };
 
 static int __send_message_basic_sanity(struct bnxt_qplib_rcfw *rcfw,
-                                      struct bnxt_qplib_cmdqmsg *msg)
+                                      struct bnxt_qplib_cmdqmsg *msg,
+                                      u8 opcode)
 {
        struct bnxt_qplib_cmdq_ctx *cmdq;
-       u32 opcode;
 
        cmdq = &rcfw->cmdq;
-       opcode = __get_cmdq_base_opcode(msg->req, msg->req_sz);
 
        /* Prevent posting if f/w is not in a state to process */
        if (test_bit(ERR_DEVICE_DETACHED, &rcfw->cmdq.flags))
@@ -492,7 +486,7 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw,
 
        opcode = __get_cmdq_base_opcode(msg->req, msg->req_sz);
 
-       rc = __send_message_basic_sanity(rcfw, msg);
+       rc = __send_message_basic_sanity(rcfw, msg, opcode);
        if (rc)
                return rc == -ENXIO ? bnxt_qplib_map_rc(opcode) : rc;
 
@@ -504,11 +498,11 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw,
                                & RCFW_MAX_COOKIE_VALUE;
 
        if (msg->block)
-               rc = __block_for_resp(rcfw, cookie, opcode);
+               rc = __block_for_resp(rcfw, cookie);
        else if (atomic_read(&rcfw->rcfw_intr_enabled))
-               rc = __wait_for_resp(rcfw, cookie, opcode);
+               rc = __wait_for_resp(rcfw, cookie);
        else
-               rc = __poll_for_resp(rcfw, cookie, opcode);
+               rc = __poll_for_resp(rcfw, cookie);
        if (rc) {
                /* timed out */
                dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x timedout (%d)msec\n",