summaryrefslogtreecommitdiff
path: root/drivers/scsi/aacraid
diff options
context:
space:
mode:
authorBalsundar P <balsundar.p@microsemi.com>2019-10-15 09:22:00 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2019-10-19 02:34:17 +0300
commitc02a3342bad32baa9be201da39d3809b74f92239 (patch)
tree79db165c8a4f2f761241774d2caa56597597cdc4 /drivers/scsi/aacraid
parentf2244c1b35e5302070af4c729db0b0e9eb8350c9 (diff)
downloadlinux-c02a3342bad32baa9be201da39d3809b74f92239.tar.xz
scsi: aacraid: fixed firmware assert issue
Before issuing IOP reset, INTX mode is selected. This is triggering MSGU lockup and ended in basecode assert. Use DROP_IO command when IOP reset is sent in preparation for interrupt mode switch. Link: https://lore.kernel.org/r/1571120524-6037-4-git-send-email-balsundar.p@microsemi.com Signed-off-by: Balsundar P <balsundar.p@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid')
-rw-r--r--drivers/scsi/aacraid/aacraid.h1
-rw-r--r--drivers/scsi/aacraid/comminit.c5
-rw-r--r--drivers/scsi/aacraid/src.c10
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 3fa03230f6ba..3fdd4583cbb5 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1673,6 +1673,7 @@ struct aac_dev
u8 adapter_shutdown;
u32 handle_pci_error;
bool init_reset;
+ u8 soft_reset_support;
};
#define aac_adapter_interrupt(dev) \
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index d4fcfa1e54e0..f75878d773cf 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -571,6 +571,11 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
else
dev->sa_firmware = 0;
+ if (status[4] & le32_to_cpu(AAC_EXTOPT_SOFT_RESET))
+ dev->soft_reset_support = 1;
+ else
+ dev->soft_reset_support = 0;
+
if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
(status[2] > dev->base_size)) {
aac_adapter_ioremap(dev, 0);
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 3b66e06726c8..787ec9baebb0 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -733,10 +733,20 @@ static bool aac_is_ctrl_up_and_running(struct aac_dev *dev)
return ctrl_up;
}
+static void aac_src_drop_io(struct aac_dev *dev)
+{
+ if (!dev->soft_reset_support)
+ return;
+
+ aac_adapter_sync_cmd(dev, DROP_IO,
+ 0, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL);
+}
+
static void aac_notify_fw_of_iop_reset(struct aac_dev *dev)
{
aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS, 0, 0, 0, 0, 0, 0, NULL,
NULL, NULL, NULL, NULL);
+ aac_src_drop_io(dev);
}
static void aac_send_iop_reset(struct aac_dev *dev)