From 126c5cc37e682e7c5ae96754994b1cb50c2d0cb5 Mon Sep 17 00:00:00 2001 From: Brian King Date: Mon, 8 Jun 2009 16:19:08 -0500 Subject: [SCSI] ibmvscsi: Add support for capabilities MAD Add support to ibmvscsi for the capabilities MAD. This command gets sent to the Virtual I/O server prior to login in order to communicate client capabilities. Additionally it returns information regarding capabilities that the server supports. The two main capabilities communicated in this MAD are related to partition migration and client reserve. Client reserve allows for SCSI-2 reservations to be sent to virtual disks which are backed by physical LUNs and will result in the reservation being sent to the physical LUN. Signed-off-by: Brian King Signed-off-by: James Bottomley --- drivers/scsi/ibmvscsi/ibmvscsi.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/scsi/ibmvscsi/ibmvscsi.h') diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 2d4339d5e16..76425303def 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.h +++ b/drivers/scsi/ibmvscsi/ibmvscsi.h @@ -90,6 +90,7 @@ struct event_pool { /* all driver data associated with a host adapter */ struct ibmvscsi_host_data { atomic_t request_limit; + int client_migrated; struct device *dev; struct event_pool pool; struct crq_queue queue; @@ -97,6 +98,9 @@ struct ibmvscsi_host_data { struct list_head sent; struct Scsi_Host *host; struct mad_adapter_info_data madapter_info; + struct capabilities caps; + dma_addr_t caps_addr; + dma_addr_t adapter_info_addr; }; /* routines for managing a command/response queue */ -- cgit v1.2.3