Reviewed-by: Achim Leubner <Achim.Leubner@xxxxxxxx>
-----Original Message-----
From: Mahesh Rajashekhara
Sent: Wednesday, March 4, 2015 9:39 AM
To: JBottomley@xxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx
Cc: aacraid@xxxxxxxxxxxxxx; Harry Yang; Achim Leubner; Rajinikanth Pandurangan; Rich Bono; Mahesh Rajashekhara
Subject: [PATCH 7/7] aacraid: AIF raw device remove support
Add AIF raw device remove support
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@xxxxxxxx>
---
drivers/scsi/aacraid/aacraid.h | 3 +++
drivers/scsi/aacraid/commsup.c | 32 ++++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 74a0440..5aaa9a6 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -2061,6 +2061,9 @@ extern struct aac_common aac_config;
/* PMC NEW COMM: Request the event data */
#define AifReqEvent 200
+/* RAW device deleted */
+#define AifRawDeviceRemove 203
+
/*
* Adapter Initiated FIB command structures. Start with the adapter
* initiated FIBs that really come from the adapter, and get responded
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index 0555023..8bb9ee4 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -884,6 +884,38 @@ static void aac_handle_aif(struct aac_dev * dev, struct fib * fibptr)
switch (le32_to_cpu(aifcmd->command)) {
case AifCmdDriverNotify:
switch (le32_to_cpu(((__le32 *)aifcmd->data)[0])) {
+ case AifRawDeviceRemove:
+ container = le32_to_cpu(((__le32 *)aifcmd->data)[1]);
+ if ((container >> 28)) {
+ container = (u32)-1;
+ break;
+ }
+ channel = (container >> 24) & 0xF;
+ if (channel >= dev->maximum_num_channels) {
+ container = (u32)-1;
+ break;
+ }
+ id = container & 0xFFFF;
+ if (id >= dev->maximum_num_physicals) {
+ container = (u32)-1;
+ break;
+ }
+ lun = (container >> 16) & 0xFF;
+ container = (u32)-1;
+ channel = aac_phys_to_logical(channel);
+ device_config_needed =
+ (((__le32 *)aifcmd->data)[0] ==
+ cpu_to_le32(AifRawDeviceRemove)) ? DELETE : ADD;
+
+ if (device_config_needed == ADD) {
+ device = scsi_device_lookup(dev->scsi_host_ptr, channel, id, lun);
+ if (device) {
+ scsi_remove_device(device);
+ scsi_device_put(device);
+ }
+ }
+ break;
+
/*
* Morph or Expand complete
*/
--
1.7.7.3
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