OrgACRN
/
acrn-kernel
mirror of https://github.com/projectacrn/acrn-kernel.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ionic: bypass firmware cmds when stuck in reset 

[ Upstream commit ca5fdf9a7c5b65968c718f2be159cda4c13556a1 ]

If the driver or firmware is stuck in reset state, don't bother
trying to use adminq commands.  This speeds up shutdown and
prevents unnecessary timeouts and error messages.

This includes a bit of rework on ionic_adminq_post_wait()
and ionic_adminq_post_wait_nomsg() to both use
__ionic_adminq_post_wait() which can do the checks needed in
both cases.

Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Shannon Nelson 2023-12-11 10:57:59 -08:00 committed by Greg Kroah-Hartman
parent 434fcaf372
commit 238ec612a2
3 changed files with 20 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c
View File

@ -380,6 +380,10 @@ static void ionic_remove(struct pci_dev *pdev)
del_timer_sync(&ionic->watchdog_timer);
if (ionic->lif) {
/* prevent adminq cmds if already known as down */
if (test_and_clear_bit(IONIC_LIF_F_FW_RESET, ionic->lif->state))
set_bit(IONIC_LIF_F_FW_STOPPING, ionic->lif->state);
ionic_lif_unregister(ionic->lif);
ionic_devlink_unregister(ionic);
ionic_lif_deinit(ionic->lif);

3
drivers/net/ethernet/pensando/ionic/ionic_lif.c
View File

@ -3008,6 +3008,9 @@ static void ionic_lif_reset(struct ionic_lif *lif)
{
struct ionic_dev *idev = &lif->ionic->idev;
if (!ionic_is_fw_running(idev))
return;
mutex_lock(&lif->ionic->dev_cmd_lock);
ionic_dev_cmd_lif_reset(idev, lif->index);
ionic_dev_cmd_wait(lif->ionic, DEVCMD_TIMEOUT);

20
drivers/net/ethernet/pensando/ionic/ionic_main.c
View File

@ -410,22 +410,28 @@ int ionic_adminq_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx,
do_msg);
}
int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
static int __ionic_adminq_post_wait(struct ionic_lif *lif,
struct ionic_admin_ctx *ctx,
const bool do_msg)
{
int err;
if (!ionic_is_fw_running(&lif->ionic->idev))
return 0;
err = ionic_adminq_post(lif, ctx);
return ionic_adminq_wait(lif, ctx, err, true);
return ionic_adminq_wait(lif, ctx, err, do_msg);
}
int ionic_adminq_post_wait(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
{
return __ionic_adminq_post_wait(lif, ctx, true);
}
int ionic_adminq_post_wait_nomsg(struct ionic_lif *lif, struct ionic_admin_ctx *ctx)
{
int err;
err = ionic_adminq_post(lif, ctx);
return ionic_adminq_wait(lif, ctx, err, false);
return __ionic_adminq_post_wait(lif, ctx, false);
}
static void ionic_dev_cmd_clean(struct ionic *ionic)