From 815151826553f875846ebba9696777a424ee62e5 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Sun, 1 May 2011 14:53:00 -0700 Subject: [PATCH] isci: unify remote_device reset_complete_handlers Implement all states in scic_remote_device_reset_complete() and delete the state handler. Reported-by: Christoph Hellwig Signed-off-by: Dan Williams --- drivers/scsi/isci/remote_device.c | 49 ++++++++----------------------- drivers/scsi/isci/remote_device.h | 6 ---- 2 files changed, 12 insertions(+), 43 deletions(-) diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index d8968f32ad9a..658781dd65e6 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -246,15 +246,20 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) } } - -enum sci_status scic_remote_device_reset_complete( - struct scic_sds_remote_device *sci_dev) +enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device *sci_dev) { - return sci_dev->state_handlers->reset_complete_handler(sci_dev); -} + struct sci_base_state_machine *sm = &sci_dev->state_machine; + enum scic_sds_remote_device_states state = sm->current_state_id; + + if (state != SCI_BASE_REMOTE_DEVICE_STATE_RESETTING) { + dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + __func__, state); + return SCI_FAILURE_INVALID_STATE; + } -#define SCIC_SDS_REMOTE_DEVICE_MINIMUM_TIMER_COUNT (0) -#define SCIC_SDS_REMOTE_DEVICE_MAXIMUM_TIMER_COUNT (SCI_MAX_REMOTE_DEVICES) + sci_base_state_machine_change_state(sm, SCI_BASE_REMOTE_DEVICE_STATE_READY); + return SCI_SUCCESS; +} /** * @@ -457,12 +462,6 @@ default_device_handler(struct scic_sds_remote_device *sci_dev, return SCI_FAILURE_INVALID_STATE; } -static enum sci_status scic_sds_remote_device_default_reset_complete_handler( - struct scic_sds_remote_device *sci_dev) -{ - return default_device_handler(sci_dev, __func__); -} - static enum sci_status scic_sds_remote_device_default_suspend_handler( struct scic_sds_remote_device *sci_dev, u32 suspend_type) { @@ -795,15 +794,6 @@ static enum sci_status scic_sds_remote_device_stopping_state_complete_request_ha return SCI_SUCCESS; } -static enum sci_status scic_sds_remote_device_resetting_state_reset_complete_handler( - struct scic_sds_remote_device *sci_dev) -{ - sci_base_state_machine_change_state(&sci_dev->state_machine, - SCI_BASE_REMOTE_DEVICE_STATE_READY); - - return SCI_SUCCESS; -} - /* complete requests for this device while it is in the * SCI_BASE_REMOTE_DEVICE_STATE_RESETTING state. This method calls the complete * method for the request object and if that is successful the port object is @@ -1223,7 +1213,6 @@ static enum sci_status scic_sds_smp_remote_device_ready_cmd_substate_frame_handl static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_state_handler_table[] = { [SCI_BASE_REMOTE_DEVICE_STATE_INITIAL] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1235,7 +1224,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STOPPED] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1247,7 +1235,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STARTING] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1259,7 +1246,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_READY] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_ready_state_start_io_handler, .complete_io_handler = scic_sds_remote_device_ready_state_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1271,7 +1257,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler, }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_idle_substate_start_io_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1283,7 +1268,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_cmd_substate_start_io_handler, .complete_io_handler = scic_sds_stp_remote_device_complete_request, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1295,7 +1279,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_stp_remote_device_ready_cmd_substate_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler, .complete_io_handler = scic_sds_stp_remote_device_complete_request, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1307,7 +1290,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_stp_remote_device_ready_ncq_substate_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ_ERROR] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_stp_remote_device_complete_request, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1319,7 +1301,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_AWAIT_RESET] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_start_io_handler, .complete_io_handler = scic_sds_stp_remote_device_ready_await_reset_substate_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1331,7 +1312,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_IDLE] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_smp_remote_device_ready_idle_substate_start_io_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1343,7 +1323,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_default_frame_handler }, [SCIC_SDS_SMP_REMOTE_DEVICE_READY_SUBSTATE_CMD] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_start_io_handler, .complete_io_handler = scic_sds_smp_remote_device_ready_cmd_substate_complete_io_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1355,7 +1334,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_smp_remote_device_ready_cmd_substate_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_STOPPING] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_stopping_state_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1367,7 +1345,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_FAILED] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1379,7 +1356,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_RESETTING] = { - .reset_complete_handler = scic_sds_remote_device_resetting_state_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_resetting_state_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, @@ -1391,7 +1367,6 @@ static const struct scic_sds_remote_device_state_handler scic_sds_remote_device_ .frame_handler = scic_sds_remote_device_general_frame_handler }, [SCI_BASE_REMOTE_DEVICE_STATE_FINAL] = { - .reset_complete_handler = scic_sds_remote_device_default_reset_complete_handler, .start_io_handler = scic_sds_remote_device_default_start_request_handler, .complete_io_handler = scic_sds_remote_device_default_complete_request_handler, .continue_io_handler = scic_sds_remote_device_default_continue_request_handler, diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index ab7a4c85f6de..51094352d952 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -386,12 +386,6 @@ typedef void (*scic_sds_remote_device_ready_not_ready_handler_t)( * */ struct scic_sds_remote_device_state_handler { - /** - * The reset complete handler specifies the method invloked when - * reporting that a reset has completed to the remote device. - */ - scic_sds_remote_device_handler_t reset_complete_handler; - /** * The start_io_handler specifies the method invoked when a user * attempts to start an IO request for a remote device. -- 2.34.1