Added a new ioctl interface to retrieve the host device information.
Signed-off-by: Raghava Aditya Renukunta <raghavaaditya.renuku...@microsemi.com>
Signed-off-by: Dave Carroll <david.carr...@microsemi.com>
Reviewed-by: Johannes Thumshirn <jthumsh...@suse.de>
---
Changes in V2:
None
Changes in V3:
None
Changes in V4:
Removed camelcase
drivers/scsi/aacraid/aacraid.h | 52 +++++++++++++++++++++++++++++++++++++++++
drivers/scsi/aacraid/commctrl.c | 26 +++++++++++++++++++++
2 files changed, 78 insertions(+)
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 4814fba4..4073396 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -2334,6 +2334,7 @@ struct revision
#define FSACTL_GET_CONTAINERS 2131
#define FSACTL_SEND_LARGE_FIB CTL_CODE(2138, METHOD_BUFFERED)
#define FSACTL_RESET_IOP CTL_CODE(2140, METHOD_BUFFERED)
+#define FSACTL_GET_HBA_INFO CTL_CODE(2150, METHOD_BUFFERED)
/* flags defined for IOP & HW SOFT RESET */
#define HW_IOP_RESET 0x01
#define HW_SOFT_RESET 0x02
@@ -2373,6 +2374,57 @@ struct aac_common
extern struct aac_common aac_config;
/*
+ * This is for management ioctl purpose only.
+ */
+struct aac_hba_info {
+
+ u8 driver_name[50];
+ u8 adapter_number;
+ u8 system_io_bus_number;
+ u8 device_number;
+ u32 function_number;
+ u32 vendor_id;
+ u32 device_id;
+ u32 sub_vendor_id;
+ u32 sub_system_id;
+ u32 mapped_base_address_size;
+ u32 base_physical_address_high_part;
+ u32 base_physical_address_low_part;
+
+ u32 max_command_size;
+ u32 max_fib_size;
+ u32 max_scatter_gather_from_os;
+ u32 max_scatter_gather_to_fw;
+ u32 max_outstanding_fibs;
+
+ u32 queue_start_threshold;
+ u32 queue_dump_threshold;
+ u32 max_io_size_queued;
+ u32 outstanding_io;
+
+ u32 firmware_build_number;
+ u32 bios_build_number;
+ u32 driver_build_number;
+ u32 serial_number_high_part;
+ u32 serial_number_low_part;
+ u32 supported_options;
+ u32 feature_bits;
+ u32 currentnumber_ports;
+
+ u8 new_comm_interface:1;
+ u8 new_commands_supported:1;
+ u8 disable_passthrough:1;
+ u8 expose_non_dasd:1;
+ u8 queue_allowed:1;
+ u8 bled_check_enabled:1;
+ u8 reserved1:1;
+ u8 reserted2:1;
+
+ u32 reserved3[10];
+
+};
+
+/*
* The following macro is used when sending and receiving FIBs. It is
* only used for debugging.
*/
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 4b65b91..9ef35ff 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -1011,6 +1011,29 @@ static int aac_get_pci_info(struct aac_dev* dev, void
__user *arg)
}
return 0;
}
+
+static int aac_get_hba_info(struct aac_dev *dev, void __user *arg)
+{
+ struct aac_hba_info hbainfo;
+
+ hbainfo.adapter_number = (u8) dev->id;
+ hbainfo.system_io_bus_number = dev->pdev->bus->number;
+ hbainfo.device_number = (dev->pdev->devfn >> 3);
+ hbainfo.function_number = (dev->pdev->devfn & 0x0007);
+
+ hbainfo.vendor_id = dev->pdev->vendor;
+ hbainfo.device_id = dev->pdev->device;
+ hbainfo.sub_vendor_id = dev->pdev->subsystem_vendor;
+ hbainfo.sub_system_id = dev->pdev->subsystem_device;
+
+ if (copy_to_user(arg, &hbainfo, sizeof(struct aac_hba_info))) {
+ dprintk((KERN_DEBUG "aacraid: Could not copy hba info\n"));
+ return -EFAULT;
+ }
+
+ return 0;
+}
+
struct aac_reset_iop {
u8 reset_type;
};
@@ -1070,6 +1093,9 @@ int aac_do_ioctl(struct aac_dev * dev, int cmd, void
__user *arg)
case FSACTL_GET_PCI_INFO:
status = aac_get_pci_info(dev,arg);
break;
+ case FSACTL_GET_HBA_INFO:
+ status = aac_get_hba_info(dev, arg);
+ break;
case FSACTL_RESET_IOP:
status = aac_send_reset_adapter(dev, arg);
break;
--
2.7.4
