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authorManish Rangankar <mrangankar@marvell.com>2020-03-19 11:38:11 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2020-03-27 05:38:54 +0300
commit4f93c4bf0f748f9d0f5e9764ba69ec16c368922a (patch)
treeb394d6ab5c7f5177f4618c1dfad59e907002ecf0 /drivers/scsi/qedi/qedi_main.c
parent4b1068f5d74b6cc92319bd7eba40809b1222e73f (diff)
downloadlinux-4f93c4bf0f748f9d0f5e9764ba69ec16c368922a.tar.xz
scsi: qedi: Add PCI shutdown handler support
Add PCI shutdown handler support for supporting wake-on-lan feature. Link: https://lore.kernel.org/r/20200319083811.19499-3-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qedi/qedi_main.c')
-rw-r--r--drivers/scsi/qedi/qedi_main.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index cfa705aa16a6..b995b19865ca 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2344,7 +2344,11 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
struct qedi_ctx *qedi = pci_get_drvdata(pdev);
int rval;
- if (mode == QEDI_MODE_NORMAL) {
+ if (mode == QEDI_MODE_SHUTDOWN)
+ iscsi_host_for_each_session(qedi->shost,
+ qedi_clear_session_ctx);
+
+ if (mode == QEDI_MODE_NORMAL || mode == QEDI_MODE_SHUTDOWN) {
if (qedi->tmf_thread) {
flush_workqueue(qedi->tmf_thread);
destroy_workqueue(qedi->tmf_thread);
@@ -2384,7 +2388,7 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
qedi_destroy_fp(qedi);
- if (mode == QEDI_MODE_NORMAL) {
+ if (mode == QEDI_MODE_NORMAL || mode == QEDI_MODE_SHUTDOWN) {
qedi_release_cid_que(qedi);
qedi_cm_free_mem(qedi);
qedi_free_uio(qedi->udev);
@@ -2404,6 +2408,16 @@ static void __qedi_remove(struct pci_dev *pdev, int mode)
}
}
+static void qedi_shutdown(struct pci_dev *pdev)
+{
+ struct qedi_ctx *qedi = pci_get_drvdata(pdev);
+
+ QEDI_ERR(&qedi->dbg_ctx, "%s: Shutdown qedi\n", __func__);
+ if (test_and_set_bit(QEDI_IN_SHUTDOWN, &qedi->flags))
+ return;
+ __qedi_remove(pdev, QEDI_MODE_SHUTDOWN);
+}
+
static int __qedi_probe(struct pci_dev *pdev, int mode)
{
struct qedi_ctx *qedi;
@@ -2740,6 +2754,7 @@ static struct pci_driver qedi_pci_driver = {
.id_table = qedi_pci_tbl,
.probe = qedi_probe,
.remove = qedi_remove,
+ .shutdown = qedi_shutdown,
};
static int __init qedi_init(void)