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authorYang Shen <shenyang39@huawei.com>2020-08-15 12:56:13 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-08-21 07:47:51 +0300
commite88dd6e1d8370fb11af396747f3d5c16b436540f (patch)
treebd0324c3e6223f61a5a17b3f627883ddc8d25cf4 /drivers/crypto/hisilicon/qm.c
parent9dca4435a1d281d74987cc7f4eeca005626222ce (diff)
downloadlinux-e88dd6e1d8370fb11af396747f3d5c16b436540f.tar.xz
crypto: hisilicon/qm - fix no stop reason when use 'hisi_qm_stop'
Now, there are three reasons of stopping: 'NORMAL', 'SOFT_RESET' and 'FLR'. In order to keep this, explicitly pass the stop reason as an input parameter of 'hisi_qm_stop' function. Fixes: b67202e8ed30("crypto: hisilicon/qm - add state machine for QM") Signed-off-by: Shukun Tan <tanshukun1@huawei.com> Signed-off-by: Yang Shen <shenyang39@huawei.com> Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon/qm.c')
-rw-r--r--drivers/crypto/hisilicon/qm.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 791a46992beb..6d233b42c7e2 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -2643,18 +2643,20 @@ static void qm_clear_queues(struct hisi_qm *qm)
/**
* hisi_qm_stop() - Stop a qm.
* @qm: The qm which will be stopped.
+ * @r: The reason to stop qm.
*
* This function stops qm and its qps, then qm can not accept request.
* Related resources are not released at this state, we can use hisi_qm_start
* to let qm start again.
*/
-int hisi_qm_stop(struct hisi_qm *qm)
+int hisi_qm_stop(struct hisi_qm *qm, enum qm_stop_reason r)
{
struct device *dev = &qm->pdev->dev;
int ret = 0;
down_write(&qm->qps_lock);
+ qm->status.stop_reason = r;
if (!qm_avail_state(qm, QM_STOP)) {
ret = -EPERM;
goto err_unlock;
@@ -3300,10 +3302,10 @@ static int qm_set_msi(struct hisi_qm *qm, bool set)
return 0;
}
-static int qm_vf_reset_prepare(struct hisi_qm *qm)
+static int qm_vf_reset_prepare(struct hisi_qm *qm,
+ enum qm_stop_reason stop_reason)
{
struct hisi_qm_list *qm_list = qm->qm_list;
- int stop_reason = qm->status.stop_reason;
struct pci_dev *pdev = qm->pdev;
struct pci_dev *virtfn;
struct hisi_qm *vf_qm;
@@ -3316,8 +3318,7 @@ static int qm_vf_reset_prepare(struct hisi_qm *qm)
continue;
if (pci_physfn(virtfn) == pdev) {
- vf_qm->status.stop_reason = stop_reason;
- ret = hisi_qm_stop(vf_qm);
+ ret = hisi_qm_stop(vf_qm, stop_reason);
if (ret)
goto stop_fail;
}
@@ -3356,15 +3357,14 @@ static int qm_controller_reset_prepare(struct hisi_qm *qm)
}
if (qm->vfs_num) {
- ret = qm_vf_reset_prepare(qm);
+ ret = qm_vf_reset_prepare(qm, QM_SOFT_RESET);
if (ret) {
pci_err(pdev, "Fails to stop VFs!\n");
return ret;
}
}
- qm->status.stop_reason = QM_SOFT_RESET;
- ret = hisi_qm_stop(qm);
+ ret = hisi_qm_stop(qm, QM_SOFT_RESET);
if (ret) {
pci_err(pdev, "Fails to stop QM!\n");
return ret;
@@ -3705,7 +3705,7 @@ void hisi_qm_reset_prepare(struct pci_dev *pdev)
}
if (qm->vfs_num) {
- ret = qm_vf_reset_prepare(qm);
+ ret = qm_vf_reset_prepare(qm, QM_FLR);
if (ret) {
pci_err(pdev, "Failed to prepare reset, ret = %d.\n",
ret);
@@ -3713,7 +3713,7 @@ void hisi_qm_reset_prepare(struct pci_dev *pdev)
}
}
- ret = hisi_qm_stop(qm);
+ ret = hisi_qm_stop(qm, QM_FLR);
if (ret) {
pci_err(pdev, "Failed to stop QM, ret = %d.\n", ret);
return;