diff mbox series

[v2,for-next,3/6] RDMA/bnxt_re: Query function capabilities from firmware

Message ID 1682450993-17711-4-git-send-email-selvin.xavier@broadcom.com (mailing list archive)
State Superseded
Headers show
Series RDMA/bnxt_re: driver update for supporting low latency push | expand

Commit Message

Selvin Xavier April 25, 2023, 7:29 p.m. UTC
Query Function capabilities to enable advanced features.

Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
---
v1 - v2:
	- Removed unnecessary error prints
 drivers/infiniband/hw/bnxt_re/main.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

Comments

kernel test robot April 25, 2023, 9:02 p.m. UTC | #1
Hi Selvin,

kernel test robot noticed the following build warnings:

[auto build test WARNING on rdma/for-next]
[also build test WARNING on linus/master v6.3 next-20230425]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Selvin-Xavier/RDMA-bnxt_re-Use-the-common-mmap-helper-functions/20230426-033131
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
patch link:    https://lore.kernel.org/r/1682450993-17711-4-git-send-email-selvin.xavier%40broadcom.com
patch subject: [PATCH v2 for-next 3/6] RDMA/bnxt_re: Query function capabilities from firmware
config: ia64-allyesconfig (https://download.01.org/0day-ci/archive/20230426/202304260421.Wr6M1Ys9-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/2e3cab6bf041dd376d6aeae617adfdcdd68f8a4b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Selvin-Xavier/RDMA-bnxt_re-Use-the-common-mmap-helper-functions/20230426-033131
        git checkout 2e3cab6bf041dd376d6aeae617adfdcdd68f8a4b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/infiniband/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304260421.Wr6M1Ys9-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/infiniband/hw/bnxt_re/main.c: In function 'bnxt_re_hwrm_qcaps':
>> drivers/infiniband/hw/bnxt_re/main.c:347:37: warning: variable 'cctx' set but not used [-Wunused-but-set-variable]
     347 |         struct bnxt_qplib_chip_ctx *cctx;
         |                                     ^~~~


vim +/cctx +347 drivers/infiniband/hw/bnxt_re/main.c

   340	
   341	/* Query function capabilities using common hwrm */
   342	int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev)
   343	{
   344		struct bnxt_en_dev *en_dev = rdev->en_dev;
   345		struct hwrm_func_qcaps_output resp = {0};
   346		struct hwrm_func_qcaps_input req = {0};
 > 347		struct bnxt_qplib_chip_ctx *cctx;
   348		struct bnxt_fw_msg fw_msg;
   349	
   350		cctx = rdev->chip_ctx;
   351		memset(&fw_msg, 0, sizeof(fw_msg));
   352		bnxt_re_init_hwrm_hdr(rdev, (void *)&req,
   353				      HWRM_FUNC_QCAPS, -1, -1);
   354		req.fid = cpu_to_le16(0xffff);
   355		bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp,
   356				    sizeof(resp), DFLT_HWRM_CMD_TIMEOUT);
   357		return bnxt_send_msg(en_dev, &fw_msg);
   358	}
   359
diff mbox series

Patch

diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index a866951..993fb62 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -83,6 +83,7 @@  static int bnxt_re_netdev_event(struct notifier_block *notifier,
 				unsigned long event, void *ptr);
 static struct bnxt_re_dev *bnxt_re_from_netdev(struct net_device *netdev);
 static void bnxt_re_dev_uninit(struct bnxt_re_dev *rdev);
+static int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev);
 
 static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
 {
@@ -91,6 +92,9 @@  static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
 	cctx = rdev->chip_ctx;
 	cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
 			       mode : BNXT_QPLIB_WQE_MODE_STATIC;
+	if (bnxt_re_hwrm_qcaps(rdev))
+		dev_err(rdev_to_dev(rdev),
+			"Failed to query hwrm qcaps\n");
 }
 
 static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev)
@@ -334,6 +338,25 @@  static void bnxt_re_fill_fw_msg(struct bnxt_fw_msg *fw_msg, void *msg,
 	fw_msg->timeout = timeout;
 }
 
+/* Query function capabilities using common hwrm */
+int bnxt_re_hwrm_qcaps(struct bnxt_re_dev *rdev)
+{
+	struct bnxt_en_dev *en_dev = rdev->en_dev;
+	struct hwrm_func_qcaps_output resp = {0};
+	struct hwrm_func_qcaps_input req = {0};
+	struct bnxt_qplib_chip_ctx *cctx;
+	struct bnxt_fw_msg fw_msg;
+
+	cctx = rdev->chip_ctx;
+	memset(&fw_msg, 0, sizeof(fw_msg));
+	bnxt_re_init_hwrm_hdr(rdev, (void *)&req,
+			      HWRM_FUNC_QCAPS, -1, -1);
+	req.fid = cpu_to_le16(0xffff);
+	bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp,
+			    sizeof(resp), DFLT_HWRM_CMD_TIMEOUT);
+	return bnxt_send_msg(en_dev, &fw_msg);
+}
+
 static int bnxt_re_net_ring_free(struct bnxt_re_dev *rdev,
 				 u16 fw_ring_id, int type)
 {