scsi: smartpqi: add suspend and resume support
add support for ACPI S3 (suspend) and S4 (hibernate)
system power states.
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com>
Signed-off-by: Don Brace <don.brace@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h
index 5b0c6fb..06e2b71 100644
--- a/drivers/scsi/smartpqi/smartpqi.h
+++ b/drivers/scsi/smartpqi/smartpqi.h
@@ -61,7 +61,7 @@ struct pqi_device_registers {
/*
* controller registers
*
- * These are defined by the PMC implementation.
+ * These are defined by the Microsemi implementation.
*
* Some registers (those named sis_*) are only used when in
* legacy SIS mode before we transition the controller into
@@ -102,6 +102,12 @@ enum pqi_io_path {
AIO_PATH = 1
};
+enum pqi_irq_mode {
+ IRQ_MODE_NONE,
+ IRQ_MODE_INTX,
+ IRQ_MODE_MSIX
+};
+
struct pqi_sg_descriptor {
__le64 address;
__le32 length;
@@ -908,7 +914,7 @@ struct pqi_ctrl_info {
dma_addr_t error_buffer_dma_handle;
size_t sg_chain_buffer_length;
unsigned int num_queue_groups;
- unsigned int num_active_queue_groups;
+ u16 max_hw_queue_index;
u16 num_elements_per_iq;
u16 num_elements_per_oq;
u16 max_inbound_iu_length_per_firmware;
@@ -923,6 +929,7 @@ struct pqi_ctrl_info {
struct pqi_admin_queues admin_queues;
struct pqi_queue_group queue_groups[PQI_MAX_QUEUE_GROUPS];
struct pqi_event_queue event_queue;
+ enum pqi_irq_mode irq_mode;
int max_msix_vectors;
int num_msix_vectors_enabled;
int num_msix_vectors_initialized;
@@ -937,6 +944,7 @@ struct pqi_ctrl_info {
u8 outbound_spanning_supported : 1;
u8 pqi_mode_enabled : 1;
u8 heartbeat_timer_started : 1;
+ u8 update_time_worker_scheduled : 1;
struct list_head scsi_device_list;
spinlock_t scsi_device_list_lock;