#ifndef _SCI_HOST_H_
#define _SCI_HOST_H_
+#include <scsi/sas_ata.h>
#include "remote_device.h"
#include "phy.h"
#include "isci.h"
typedef void (*port_config_fn)(struct isci_host *,
struct sci_port_configuration_agent *,
struct isci_port *, struct isci_phy *);
+bool is_port_config_apc(struct isci_host *ihost);
+bool is_controller_start_complete(struct isci_host *ihost);
struct sci_port_configuration_agent {
u16 phy_configured_mask;
struct sci_power_control power_control;
u8 io_request_sequence[SCI_MAX_IO_REQUESTS];
struct scu_task_context *task_context_table;
- dma_addr_t task_context_dma;
+ dma_addr_t tc_dma;
union scu_remote_node_context *remote_node_context_table;
+ dma_addr_t rnc_dma;
u32 *completion_queue;
+ dma_addr_t cq_dma;
u32 completion_queue_get;
u32 logical_port_entries;
u32 remote_node_entries;
u32 task_context_entries;
+ void *ufi_buf;
+ dma_addr_t ufi_dma;
struct sci_unsolicited_frame_control uf_control;
/* phy startup */
struct asd_sas_port sas_ports[SCI_MAX_PORTS];
struct sas_ha_struct sas_ha;
- spinlock_t state_lock;
struct pci_dev *pdev;
- enum isci_status status;
#define IHOST_START_PENDING 0
#define IHOST_STOP_PENDING 1
+ #define IHOST_IRQ_ENABLED 2
unsigned long flags;
wait_queue_head_t eventq;
- struct Scsi_Host *shost;
struct tasklet_struct completion_tasklet;
- struct list_head requests_to_complete;
- struct list_head requests_to_errorback;
spinlock_t scic_lock;
struct isci_request *reqs[SCI_MAX_IO_REQUESTS];
struct isci_remote_device devices[SCI_MAX_REMOTE_DEVICES];
*/
SCIC_STOPPING,
- /**
- * This state indicates that the controller has successfully been stopped.
- * In this state no new IO operations are permitted.
- * This state is entered from the STOPPING state.
- */
- SCIC_STOPPED,
-
/**
* This state indicates that the controller could not successfully be
* initialized. In this state no new IO operations are permitted.
return pci_get_drvdata(pdev);
}
+static inline struct Scsi_Host *to_shost(struct isci_host *ihost)
+{
+ return ihost->sas_ha.core.shost;
+}
+
#define for_each_isci_host(id, ihost, pdev) \
for (id = 0, ihost = to_pci_info(pdev)->hosts[id]; \
id < ARRAY_SIZE(to_pci_info(pdev)->hosts) && ihost; \
ihost = to_pci_info(pdev)->hosts[++id])
-static inline enum isci_status isci_host_get_state(struct isci_host *isci_host)
-{
- return isci_host->status;
-}
-
-static inline void isci_host_change_state(struct isci_host *isci_host,
- enum isci_status status)
-{
- unsigned long flags;
-
- dev_dbg(&isci_host->pdev->dev,
- "%s: isci_host = %p, state = 0x%x",
- __func__,
- isci_host,
- status);
- spin_lock_irqsave(&isci_host->state_lock, flags);
- isci_host->status = status;
- spin_unlock_irqrestore(&isci_host->state_lock, flags);
-
-}
-
static inline void wait_for_start(struct isci_host *ihost)
{
wait_event(ihost->eventq, !test_bit(IHOST_START_PENDING, &ihost->flags));
return dev->port->ha->lldd_ha;
}
+static inline struct isci_host *idev_to_ihost(struct isci_remote_device *idev)
+{
+ return dev_to_ihost(idev->domain_dev);
+}
+
/* we always use protocol engine group zero */
#define ISCI_PEG 0
{
struct domain_device *dev = idev->domain_dev;
- if ((dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) &&
- !idev->is_direct_attached)
+ if (dev_is_sata(dev) && dev->parent)
return SCU_STP_REMOTE_NODE_COUNT;
return SCU_SSP_REMOTE_NODE_COUNT;
}
struct isci_remote_device *idev,
u16 node_id);
-struct isci_request *sci_request_by_tag(struct isci_host *ihost,
- u16 io_tag);
-
-void sci_controller_power_control_queue_insert(
- struct isci_host *ihost,
- struct isci_phy *iphy);
-
-void sci_controller_power_control_queue_remove(
- struct isci_host *ihost,
- struct isci_phy *iphy);
-
-void sci_controller_link_up(
- struct isci_host *ihost,
- struct isci_port *iport,
- struct isci_phy *iphy);
-
-void sci_controller_link_down(
- struct isci_host *ihost,
- struct isci_port *iport,
- struct isci_phy *iphy);
-
-void sci_controller_remote_device_stopped(
- struct isci_host *ihost,
- struct isci_remote_device *idev);
-
-void sci_controller_copy_task_context(
- struct isci_host *ihost,
- struct isci_request *ireq);
-
-void sci_controller_register_setup(struct isci_host *ihost);
+struct isci_request *sci_request_by_tag(struct isci_host *ihost, u16 io_tag);
+void sci_controller_power_control_queue_insert(struct isci_host *ihost,
+ struct isci_phy *iphy);
+void sci_controller_power_control_queue_remove(struct isci_host *ihost,
+ struct isci_phy *iphy);
+void sci_controller_link_up(struct isci_host *ihost, struct isci_port *iport,
+ struct isci_phy *iphy);
+void sci_controller_link_down(struct isci_host *ihost, struct isci_port *iport,
+ struct isci_phy *iphy);
+void sci_controller_remote_device_stopped(struct isci_host *ihost,
+ struct isci_remote_device *idev);
enum sci_status sci_controller_continue_io(struct isci_request *ireq);
int isci_host_scan_finished(struct Scsi_Host *, unsigned long);
u16 isci_alloc_tag(struct isci_host *ihost);
enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag);
void isci_tci_free(struct isci_host *ihost, u16 tci);
+void ireq_done(struct isci_host *ihost, struct isci_request *ireq, struct sas_task *task);
int isci_host_init(struct isci_host *);
-
-void isci_host_init_controller_names(
- struct isci_host *isci_host,
- unsigned int controller_idx);
-
-void isci_host_deinit(
- struct isci_host *);
-
-void isci_host_port_link_up(
- struct isci_host *,
- struct isci_port *,
- struct isci_phy *);
-int isci_host_dev_found(struct domain_device *);
-
-void isci_host_remote_device_start_complete(
- struct isci_host *,
- struct isci_remote_device *,
- enum sci_status);
-
-void sci_controller_disable_interrupts(
- struct isci_host *ihost);
+void isci_host_completion_routine(unsigned long data);
+void isci_host_deinit(struct isci_host *);
+void sci_controller_disable_interrupts(struct isci_host *ihost);
+bool sci_controller_has_remote_devices_stopping(struct isci_host *ihost);
+void sci_controller_transition_to_ready(struct isci_host *ihost, enum sci_status status);
enum sci_status sci_controller_start_io(
struct isci_host *ihost,
projects / firefly-linux-kernel-4.4.55.git / blobdiff