From: Coiby Xu <coiby.xu@gmail.com>
To: Benjamin Poirier <benjamin.poirier@gmail.com>
Cc: devel@driverdev.osuosl.org,
"supporter:QLOGIC QLGE 10Gb ETHERNET DRIVER"
<GR-Linux-NIC-Dev@marvell.com>,
Manish Chopra <manishc@marvell.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Shung-Hsi Yu <shung-hsi.yu@suse.com>,
open list <linux-kernel@vger.kernel.org>,
"open list:QLOGIC QLGE 10Gb ETHERNET DRIVER"
<netdev@vger.kernel.org>
Subject: Re: [PATCH v1 2/6] staging: qlge: coredump via devlink health reporter
Date: Sat, 10 Oct 2020 18:02:58 +0800 [thread overview]
Message-ID: <20201010100258.px2go6nugsfbwoq7@Rk> (raw)
In-Reply-To: <20201010074809.GB14495@f3>
On Sat, Oct 10, 2020 at 04:48:09PM +0900, Benjamin Poirier wrote:
>On 2020-10-08 19:58 +0800, Coiby Xu wrote:
>> $ devlink health dump show DEVICE reporter coredump -p -j
>> {
>> "Core Registers": {
>> "segment": 1,
>> "values": [ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
>> ,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ]
>> },
>> "Test Logic Regs": {
>> "segment": 2,
>> "values": [ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ]
>> },
>> "RMII Registers": {
>> "segment": 3,
>> "values": [ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ]
>> },
>> ...
>> "Sem Registers": {
>> "segment": 50,
>> "values": [ 0,0,0,0 ]
>> }
>> }
>>
>> Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
>> ---
>> drivers/staging/qlge/qlge_devlink.c | 131 ++++++++++++++++++++++++++--
>> 1 file changed, 125 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/staging/qlge/qlge_devlink.c b/drivers/staging/qlge/qlge_devlink.c
>> index aa45e7e368c0..91b6600b94a9 100644
>> --- a/drivers/staging/qlge/qlge_devlink.c
>> +++ b/drivers/staging/qlge/qlge_devlink.c
>> @@ -1,16 +1,135 @@
>> #include "qlge.h"
>> #include "qlge_devlink.h"
>>
>> -static int
>> -qlge_reporter_coredump(struct devlink_health_reporter *reporter,
>> - struct devlink_fmsg *fmsg, void *priv_ctx,
>> - struct netlink_ext_ack *extack)
>> +static int fill_seg_(struct devlink_fmsg *fmsg,
>
>Please include the "qlge_" prefix.
>
>> + struct mpi_coredump_segment_header *seg_header,
>> + u32 *reg_data)
>> {
>> - return 0;
>> + int i;
>> + int header_size = sizeof(struct mpi_coredump_segment_header);
>> + int regs_num = (seg_header->seg_size - header_size) / sizeof(u32);
>> + int err;
>> +
>> + err = devlink_fmsg_pair_nest_start(fmsg, seg_header->description);
>> + if (err)
>> + return err;
>> + err = devlink_fmsg_obj_nest_start(fmsg);
>> + if (err)
>> + return err;
>> + err = devlink_fmsg_u32_pair_put(fmsg, "segment", seg_header->seg_num);
>> + if (err)
>> + return err;
>> + err = devlink_fmsg_arr_pair_nest_start(fmsg, "values");
>> + if (err)
>> + return err;
>> + for (i = 0; i < regs_num; i++) {
>> + err = devlink_fmsg_u32_put(fmsg, *reg_data);
>> + if (err)
>> + return err;
>> + reg_data++;
>> + }
>> + err = devlink_fmsg_obj_nest_end(fmsg);
>> + if (err)
>> + return err;
>> + err = devlink_fmsg_arr_pair_nest_end(fmsg);
>> + if (err)
>> + return err;
>> + err = devlink_fmsg_pair_nest_end(fmsg);
>> + return err;
>> +}
>> +
>> +#define fill_seg(seg_hdr, seg_regs) \
>
>considering that this macro accesses local variables, it is not really
>"function-like". I think an all-caps name would be better to tip-off the
>reader.
>
Thank you for this suggestion!
>> + do { \
>> + err = fill_seg_(fmsg, &dump->seg_hdr, dump->seg_regs); \
>> + if (err) { \
>> + kvfree(dump); \
>> + return err; \
>> + } \
>> + } while (0)
>> +
>> +static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
>> + struct devlink_fmsg *fmsg, void *priv_ctx,
>> + struct netlink_ext_ack *extack)
>> +{
>> + int err = 0;
>> +
>> + struct qlge_devlink *dev = devlink_health_reporter_priv(reporter);
>
>Please name this variable ql_devlink, like in qlge_probe().
I happened to find the following text in drivers/staging/qlge/TODO
> * in terms of namespace, the driver uses either qlge_, ql_ (used by
> other qlogic drivers, with clashes, ex: ql_sem_spinlock) or nothing (with
> clashes, ex: struct ob_mac_iocb_req). Rename everything to use the "qlge_"
> prefix.
So I will adopt qlge_ instead. Besides I prefer qlge_dl to ql_devlink.
--
Best regards,
Coiby
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next prev parent reply other threads:[~2020-10-10 10:03 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 11:58 [PATCH v1 0/6] staging: qlge: Re-writing the debugging features Coiby Xu
2020-10-08 11:58 ` [PATCH v1 1/6] staging: qlge: Initialize devlink health dump framework for the dlge driver Coiby Xu
2020-10-08 12:22 ` Willem de Bruijn
2020-10-08 12:54 ` Coiby Xu
2020-10-12 8:08 ` Coiby Xu
2020-10-08 13:31 ` Dan Carpenter
2020-10-09 0:12 ` Coiby Xu
2020-10-08 17:45 ` kernel test robot
2020-10-10 7:35 ` Benjamin Poirier
2020-10-10 10:24 ` Coiby Xu
2020-10-10 13:48 ` Benjamin Poirier
2020-10-12 11:24 ` Coiby Xu
2020-10-13 0:37 ` Benjamin Poirier
2020-10-15 3:37 ` Coiby Xu
2020-10-15 11:06 ` Benjamin Poirier
2020-10-16 23:08 ` Coiby Xu
2020-10-08 11:58 ` [PATCH v1 2/6] staging: qlge: coredump via devlink health reporter Coiby Xu
2020-10-08 13:39 ` Dan Carpenter
2020-10-09 0:14 ` Coiby Xu
2020-10-10 7:48 ` Benjamin Poirier
2020-10-10 10:02 ` Coiby Xu [this message]
2020-10-10 13:22 ` Benjamin Poirier
2020-10-12 11:51 ` Coiby Xu
2020-10-13 1:18 ` Benjamin Poirier
2020-10-08 11:58 ` [PATCH v1 3/6] staging: qlge: support force_coredump option for devlink health dump Coiby Xu
2020-10-08 11:58 ` [PATCH v1 4/6] staging: qlge: remove mpi_core_to_log which sends coredump to the kernel ring buffer Coiby Xu
2020-10-08 11:58 ` [PATCH v1 5/6] staging: qlge: clean up debugging code in the QL_ALL_DUMP ifdef land Coiby Xu
2020-10-10 8:01 ` Benjamin Poirier
2020-10-10 10:00 ` Coiby Xu
2020-10-10 13:40 ` Benjamin Poirier
2020-10-12 11:29 ` Coiby Xu
2020-10-08 11:58 ` [PATCH v1 6/6] staging: qlge: add documentation for debugging qlge Coiby Xu
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