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isci: Removing deprecated functions

Browse Source 
Removed all callbacks in the deprecated.c. Core will call the appropriate
functions directly.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dave Jiang 2011-02-23 15:57:33 -08:00 committed by Dan Williams
parent a1914059f1
commit 7392d27580
16 changed files with 130 additions and 1030 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/isci/Makefile
View File

@ -8,7 +8,7 @@ EXTRA_CFLAGS += -DDISABLE_ATAPI
EXTRA_CFLAGS += -Idrivers/scsi/isci/core/ -Idrivers/scsi/isci/
obj-$(CONFIG_SCSI_ISCI) += isci.o
isci-objs := init.o phy.o request.o sata.o \
remote_device.o port.o timers.o deprecated.o \
remote_device.o port.o timers.o \
host.o task.o events.o \
core/scic_sds_controller.o \
core/scic_sds_remote_device.o \

43
drivers/scsi/isci/core/scic_sds_controller.c
View File

@ -66,7 +66,6 @@
#include "scic_sds_port.h"
#include "scic_sds_remote_device.h"
#include "scic_sds_request.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_completion_codes.h"
@ -594,7 +593,7 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
/* Clear DFX Status registers */
scu_afe_register_write(scic, afe_dfx_master_control0, 0x0081000f);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Configure bias currents to normal */
if (is_a0())
@ -602,7 +601,7 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
else
scu_afe_register_write(scic, afe_bias_control, 0x00005A00);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Enable PLL */
if (is_b0())
@ -610,35 +609,35 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
else
scu_afe_register_write(scic, afe_pll_control0, 0x80040908);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Wait for the PLL to lock */
do {
afe_status = scu_afe_register_read(
scic, afe_common_block_status);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
} while ((afe_status & 0x00001000) == 0);
if (is_b0()) {
/* Shorten SAS SNW lock time (RxLock timer value from 76 us to 50 us) */
scu_afe_register_write(scic, afe_pmsn_master_control0, 0x7bcc96ad);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
}
for (phy_id = 0; phy_id < SCI_MAX_PHYS; phy_id++) {
if (is_b0()) {
/* Configure transmitter SSC parameters */
scu_afe_txreg_write(scic, phy_id, afe_tx_ssc_control, 0x00030000);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
} else {
/*
* All defaults, except the Receive Word Alignament/Comma Detect
* Enable....(0xe800) */
scu_afe_txreg_write(scic, phy_id, afe_xcvr_control0, 0x00004512);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
scu_afe_txreg_write(scic, phy_id, afe_xcvr_control1, 0x0050100F);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/*
@ -651,26 +650,26 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
else {
/* Power down TX and RX (PWRDNTX and PWRDNRX) */
scu_afe_txreg_write(scic, phy_id, afe_channel_control, 0x000003d7);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/*
* Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
* & increase TX int & ext bias 20%....(0xe85c) */
scu_afe_txreg_write(scic, phy_id, afe_channel_control, 0x000003d4);
}
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
if (is_a0() || is_a2()) {
/* Enable TX equalization (0xe824) */
scu_afe_txreg_write(scic, phy_id, afe_tx_control, 0x00040000);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/*
* RDPI=0x0(RX Power On), RXOOBDETPDNC=0x0, TPD=0x0(TX Power On),
* RDD=0x0(RX Detect Enabled) ....(0xe800) */
scu_afe_txreg_write(scic, phy_id, afe_xcvr_control0, 0x00004100);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Leave DFE/FFE on */
if (is_a0())
@ -679,28 +678,28 @@ void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
scu_afe_txreg_write(scic, phy_id, afe_rx_ssc_control0, 0x3F11103F);
else {
scu_afe_txreg_write(scic, phy_id, afe_rx_ssc_control0, 0x3F11103F);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Enable TX equalization (0xe824) */
scu_afe_txreg_write(scic, phy_id, afe_tx_control, 0x00040000);
}
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
scu_afe_txreg_write(scic, phy_id, afe_tx_amp_control0, 0x000E7C03);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
scu_afe_txreg_write(scic, phy_id, afe_tx_amp_control1, 0x000E7C03);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
scu_afe_txreg_write(scic, phy_id, afe_tx_amp_control2, 0x000E7C03);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
scu_afe_txreg_write(scic, phy_id, afe_tx_amp_control3, 0x000E7C03);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/* Transfer control to the PEs */
scu_afe_register_write(scic, afe_dfx_master_control0, 0x00010f00);
scic_cb_stall_execution(AFE_REGISTER_WRITE_DELAY);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/*
@ -2446,7 +2445,7 @@ void scic_sds_controller_reset_hardware(
SMU_SMUSRCR_WRITE(scic, 0xFFFFFFFF);
/* Delay for 1ms to before clearing the CQP and UFQPR. */
scic_cb_stall_execution(1000);
udelay(1000);
/* The write to the CQGR clears the CQP */
SMU_CQGR_WRITE(scic, 0x00000000);
@ -2840,7 +2839,7 @@ static enum sci_status scic_sds_controller_reset_state_initialize_handler(
while (terminate_loop-- && (result != SCI_SUCCESS)) {
/* Loop until the hardware reports success */
scic_cb_stall_execution(SCU_CONTEXT_RAM_INIT_STALL_TIME);
udelay(SCU_CONTEXT_RAM_INIT_STALL_TIME);
status = SMU_SMUCSR_READ(this_controller);
if ((status & SCU_RAM_INIT_COMPLETED) == SCU_RAM_INIT_COMPLETED) {

1
drivers/scsi/isci/core/scic_sds_phy.c
View File

@ -63,7 +63,6 @@
#include "scic_sds_phy_registers.h"
#include "scic_sds_port.h"
#include "scic_sds_remote_node_context.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_event_codes.h"

1
drivers/scsi/isci/core/scic_sds_port.c
View File

@ -66,7 +66,6 @@
#include "scic_sds_remote_device.h"
#include "scic_sds_remote_node_context.h"
#include "scic_sds_request.h"
#include "scic_user_callback.h"
#include "sci_environment.h"

1
drivers/scsi/isci/core/scic_sds_remote_device.c
View File

@ -64,7 +64,6 @@
#include "scic_sds_remote_device.h"
#include "scic_sds_remote_node_context.h"
#include "scic_sds_request.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_event_codes.h"

93
drivers/scsi/isci/core/scic_sds_request.c
View File

@ -70,7 +70,6 @@
#include "scic_sds_smp_request.h"
#include "scic_sds_stp_request.h"
#include "scic_sds_unsolicited_frame_control.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_completion_codes.h"
@ -413,25 +412,26 @@ static void scic_sds_ssp_io_request_assign_buffers(
*
*/
static void scic_sds_io_request_build_ssp_command_iu(
struct scic_sds_request *this_request)
struct scic_sds_request *sds_request)
{
struct sci_ssp_command_iu *command_frame;
void *os_handle;
u32 cdb_length;
u32 *cdb_buffer;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sds_request);
command_frame =
(struct sci_ssp_command_iu *)this_request->command_buffer;
os_handle = scic_sds_request_get_user_request(this_request);
(struct sci_ssp_command_iu *)sds_request->command_buffer;
command_frame->lun_upper = 0;
command_frame->lun_lower = scic_cb_ssp_io_request_get_lun(os_handle);
command_frame->lun_lower =
isci_request_ssp_io_request_get_lun(isci_request);
((u32 *)command_frame)[2] = 0;
cdb_length = scic_cb_ssp_io_request_get_cdb_length(os_handle);
cdb_buffer = (u32 *)scic_cb_ssp_io_request_get_cdb_address(os_handle);
cdb_length = isci_request_ssp_io_request_get_cdb_length(isci_request);
cdb_buffer = (u32 *)isci_request_ssp_io_request_get_cdb_address(
isci_request);
if (cdb_length > 16) {
command_frame->additional_cdb_length = cdb_length - 16;
@ -446,9 +446,9 @@ static void scic_sds_io_request_build_ssp_command_iu(
command_frame->enable_first_burst = 0;
command_frame->task_priority =
scic_cb_ssp_io_request_get_command_priority(os_handle);
isci_request_ssp_io_request_get_command_priority(isci_request);
command_frame->task_attribute =
scic_cb_ssp_io_request_get_task_attribute(os_handle);
isci_request_ssp_io_request_get_task_attribute(isci_request);
}
@ -458,25 +458,26 @@ static void scic_sds_io_request_build_ssp_command_iu(
*
*/
static void scic_sds_task_request_build_ssp_task_iu(
struct scic_sds_request *this_request)
struct scic_sds_request *sds_request)
{
struct sci_ssp_task_iu *command_frame;
void *os_handle;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sds_request);
command_frame =
(struct sci_ssp_task_iu *)this_request->command_buffer;
os_handle = scic_sds_request_get_user_request(this_request);
(struct sci_ssp_task_iu *)sds_request->command_buffer;
command_frame->lun_upper = 0;
command_frame->lun_lower = scic_cb_ssp_task_request_get_lun(os_handle);
command_frame->lun_lower = isci_request_ssp_io_request_get_lun(
isci_request);
((u32 *)command_frame)[2] = 0;
command_frame->task_function =
scic_cb_ssp_task_request_get_function(os_handle);
isci_task_ssp_request_get_function(isci_request);
command_frame->task_tag =
scic_cb_ssp_task_request_get_io_tag_to_manage(os_handle);
isci_task_ssp_request_get_io_tag_to_manage(
isci_request);
}
@ -899,18 +900,15 @@ enum sci_status scic_task_request_construct(
enum sci_status scic_io_request_construct_basic_ssp(
struct scic_sds_request *sci_req)
{
void *os_handle;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sci_req);
sci_req->protocol = SCIC_SSP_PROTOCOL;
os_handle = scic_sds_request_get_user_request(sci_req);
scu_ssp_io_request_construct_task_context(
sci_req,
scic_cb_io_request_get_data_direction(os_handle),
scic_cb_io_request_get_transfer_length(os_handle)
);
isci_request_io_request_get_data_direction(isci_request),
isci_request_io_request_get_transfer_length(isci_request));
scic_sds_io_request_build_ssp_command_iu(sci_req);
@ -941,7 +939,8 @@ enum sci_status scic_task_request_construct_ssp(
}
enum sci_status scic_io_request_construct_basic_sata(struct scic_sds_request *sci_req)
enum sci_status scic_io_request_construct_basic_sata(
struct scic_sds_request *sci_req)
{
enum sci_status status;
struct scic_sds_stp_request *stp_req;
@ -949,15 +948,18 @@ enum sci_status scic_io_request_construct_basic_sata(struct scic_sds_request *sc
u32 len;
enum dma_data_direction dir;
bool copy = false;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sci_req);
struct sas_task *task = isci_request_access_task(isci_request);
stp_req = container_of(sci_req, typeof(*stp_req), parent);
sci_req->protocol = SCIC_STP_PROTOCOL;
len = scic_cb_io_request_get_transfer_length(sci_req->user_request);
dir = scic_cb_io_request_get_data_direction(sci_req->user_request);
proto = scic_cb_request_get_sat_protocol(sci_req->user_request);
copy = scic_cb_io_request_do_copy_rx_frames(stp_req->parent.user_request);
len = isci_request_io_request_get_transfer_length(isci_request);
dir = isci_request_io_request_get_data_direction(isci_request);
proto = isci_sata_get_sat_protocol(isci_request);
copy = (task->data_dir == DMA_NONE) ? false : true;
status = scic_io_request_construct_sata(sci_req, proto, len, dir, copy);
@ -975,7 +977,11 @@ enum sci_status scic_task_request_construct_sata(
struct scic_sds_request *sci_req)
{
enum sci_status status;
u8 sat_protocol = scic_cb_request_get_sat_protocol(sci_req->user_request);
u8 sat_protocol;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sci_req);
sat_protocol = isci_sata_get_sat_protocol(isci_request);
switch (sat_protocol) {
case SAT_PROTOCOL_ATA_HARD_RESET:
@ -1172,27 +1178,28 @@ enum sci_status scic_sds_io_request_frame_handler(
* the response data.
*
*/
void scic_sds_io_request_copy_response(
struct scic_sds_request *this_request)
void scic_sds_io_request_copy_response(struct scic_sds_request *sds_request)
{
void *response_buffer;
u32 user_response_length;
u32 core_response_length;
struct sci_ssp_response_iu *ssp_response;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sds_request);
ssp_response = (struct sci_ssp_response_iu *)this_request->response_buffer;
ssp_response =
(struct sci_ssp_response_iu *)sds_request->response_buffer;
response_buffer = scic_cb_ssp_task_request_get_response_data_address(
this_request->user_request
);
response_buffer =
isci_task_ssp_request_get_response_data_address(
isci_request);
user_response_length = scic_cb_ssp_task_request_get_response_data_length(
this_request->user_request
);
user_response_length =
isci_task_ssp_request_get_response_data_length(
isci_request);
core_response_length = sci_ssp_get_response_data_length(
ssp_response->response_data_length
);
ssp_response->response_data_length);
user_response_length = min(user_response_length, core_response_length);

1
drivers/scsi/isci/core/scic_sds_smp_remote_device.c
View File

@ -58,7 +58,6 @@
#include "scic_sds_port.h"
#include "scic_sds_remote_device.h"
#include "scic_sds_request.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_event_codes.h"

104
drivers/scsi/isci/core/scic_sds_stp_remote_device.c
View File

@ -62,7 +62,6 @@
#include "scic_sds_port.h"
#include "scic_sds_remote_device.h"
#include "scic_sds_request.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_event_codes.h"
@ -217,52 +216,56 @@ static enum sci_status scic_sds_stp_remote_device_ready_substate_start_request_h
* @device:
* @request:
*
* If this is a softreset we may want to have a different substate. enum sci_status
* If this is a softreset we may want to have a different substate.
* enum sci_status
*/
static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_start_io_handler(
struct sci_base_remote_device *device,
struct sci_base_request *request)
struct sci_base_remote_device *base_device,
struct sci_base_request *base_request)
{
enum sci_status status;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
struct scic_sds_request *io_request = (struct scic_sds_request *)request;
struct scic_sds_remote_device *device =
(struct scic_sds_remote_device *)&base_device->parent;
struct scic_sds_request *sds_request =
(struct scic_sds_request *)&base_request->parent;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sds_request);
/* Will the port allow the io request to start? */
status = this_device->owning_port->state_handlers->start_io_handler(
this_device->owning_port,
this_device,
io_request
);
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port,
device,
sds_request);
if (status == SCI_SUCCESS) {
status =
scic_sds_remote_node_context_start_io(this_device->rnc, io_request);
scic_sds_remote_node_context_start_io(device->rnc,
sds_request);
if (status == SCI_SUCCESS)
status =
sds_request->state_handlers->
parent.start_handler(base_request);
if (status == SCI_SUCCESS) {
status = io_request->state_handlers->parent.start_handler(request);
}
if (status == SCI_SUCCESS) {
if (
scic_cb_request_get_sat_protocol(io_request->user_request)
== SAT_PROTOCOL_FPDMA
) {
if (isci_sata_get_sat_protocol(isci_request) ==
SAT_PROTOCOL_FPDMA)
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ
);
} else {
this_device->working_request = io_request;
&device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_NCQ);
else {
device->working_request = sds_request;
sci_base_state_machine_change_state(
&this_device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD
);
&device->ready_substate_machine,
SCIC_SDS_STP_REMOTE_DEVICE_READY_SUBSTATE_CMD);
}
}
scic_sds_remote_device_start_request(this_device, io_request, status);
scic_sds_remote_device_start_request(device,
sds_request,
status);
}
return status;
@ -304,35 +307,38 @@ static enum sci_status scic_sds_stp_remote_device_ready_idle_substate_event_hand
* ***************************************************************************** */
static enum sci_status scic_sds_stp_remote_device_ready_ncq_substate_start_io_handler(
struct sci_base_remote_device *device,
struct sci_base_request *request)
struct sci_base_remote_device *base_device,
struct sci_base_request *base_request)
{
enum sci_status status;
struct scic_sds_remote_device *this_device = (struct scic_sds_remote_device *)device;
struct scic_sds_request *io_request = (struct scic_sds_request *)request;
struct scic_sds_remote_device *device =
(struct scic_sds_remote_device *)&base_device->parent;
struct scic_sds_request *sds_request =
(struct scic_sds_request *)&base_request->parent;
struct isci_request *isci_request =
(struct isci_request *)sci_object_get_association(sds_request);
if (
scic_cb_request_get_sat_protocol(io_request->user_request)
== SAT_PROTOCOL_FPDMA
) {
status = this_device->owning_port->state_handlers->start_io_handler(
this_device->owning_port,
this_device,
io_request
);
if (isci_sata_get_sat_protocol(isci_request) == SAT_PROTOCOL_FPDMA) {
status = device->owning_port->state_handlers->start_io_handler(
device->owning_port,
device,
sds_request);
if (status == SCI_SUCCESS) {
status = scic_sds_remote_node_context_start_io(this_device->rnc, io_request);
status = scic_sds_remote_node_context_start_io(
device->rnc,
sds_request);
if (status == SCI_SUCCESS) {
status = io_request->state_handlers->parent.start_handler(request);
}
if (status == SCI_SUCCESS)
status = sds_request->state_handlers->
parent.start_handler(base_request);
scic_sds_remote_device_start_request(this_device, io_request, status);
scic_sds_remote_device_start_request(device,
sds_request,
status);
}
} else {
} else
status = SCI_FAILURE_INVALID_STATE;
}
return status;
}

1
drivers/scsi/isci/core/scic_sds_stp_request.c
View File

@ -67,7 +67,6 @@
#include "scic_sds_stp_pio_request.h"
#include "scic_sds_stp_request.h"
#include "scic_sds_unsolicited_frame_control.h"
#include "scic_user_callback.h"
#include "sci_environment.h"
#include "sci_util.h"
#include "scu_completion_codes.h"

1
drivers/scsi/isci/core/scic_sds_unsolicited_frame_control.c
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@ -64,7 +64,6 @@
#include "scic_sds_unsolicited_frame_control.h"
#include "scu_registers.h"
#include "scic_sds_controller.h"
#include "scic_user_callback.h"
#include "sci_util.h"
#include "sci_environment.h"

421
drivers/scsi/isci/core/scic_user_callback.h
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@ -1,421 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SCIC_USER_CALLBACK_H_
#define _SCIC_USER_CALLBACK_H_
/**
* This file contains all of the interface methods/macros that must be
* implemented by an SCI Core user.
*
*
*/
#include "sci_status.h"
#include "scic_io_request.h"
struct scic_sds_request;
struct scic_sds_phy;
struct scic_sds_port;
struct scic_sds_remote_device;
struct scic_sds_controller;
/**
* scic_cb_stall_execution() - This method is called when the core requires the
* OS driver to stall execution. This method is utilized during
* initialization or non-performance paths only.
* @microseconds: This parameter specifies the number of microseconds for which
* to stall. The operating system driver is allowed to round this value up
* where necessary.
*
* none.
*/
void scic_cb_stall_execution(
u32 microseconds);
#ifndef SCI_GET_PHYSICAL_ADDRESS_OPTIMIZATION_ENABLED
/**
* scic_cb_io_request_get_physical_address() - This callback method asks the
* user to provide the physical address for the supplied virtual address
* when building an io request object.
* @controller: This parameter is the core controller object handle.
* @io_request: This parameter is the io request object handle for which the
* physical address is being requested.
* @virtual_address: This paramter is the virtual address which is to be
* returned as a physical address.
* @physical_address: The physical address for the supplied virtual address.
*
* None.
*/
void scic_cb_io_request_get_physical_address(
struct scic_sds_controller *controller,
struct scic_sds_request *io_request,
void *virtual_address,
dma_addr_t *physical_address);
#endif /* SCI_GET_PHYSICAL_ADDRESS_OPTIMIZATION_ENABLED */
/**
* scic_cb_io_request_get_transfer_length() - This callback method asks the
* user to provide the number of bytes to be transfered as part of this
* request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the number of payload data bytes to be transfered for
* this IO request.
*/
u32 scic_cb_io_request_get_transfer_length(
void *scic_user_io_request);
/**
* scic_cb_io_request_get_data_direction() - This callback method asks the user
* to provide the data direction for this request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
*/
enum dma_data_direction scic_cb_io_request_get_data_direction(void *req);
#ifndef SCI_SGL_OPTIMIZATION_ENABLED
/**
* scic_cb_io_request_get_next_sge() - This callback method asks the user to
* provide the address to where the next Scatter-Gather Element is located.
* Details regarding usage: - Regarding the first SGE: the user should
* initialize an index, or a pointer, prior to construction of the request
* that will reference the very first scatter-gather element. This is
* important since this method is called for every scatter-gather element,
* including the first element. - Regarding the last SGE: the user should
* return NULL from this method when this method is called and the SGL has
* exhausted all elements.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @current_sge_address: This parameter specifies the address for the current
* SGE (i.e. the one that has just processed).
* @next_sge: An address specifying the location for the next scatter gather
* element to be processed.
*
* None
*/
void scic_cb_io_request_get_next_sge(
void *scic_user_io_request,
void *current_sge_address,
void **next_sge);
#endif /* SCI_SGL_OPTIMIZATION_ENABLED */
/**
* scic_cb_sge_get_address_field() - This callback method asks the user to
* provide the contents of the "address" field in the Scatter-Gather Element.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @sge_address: This parameter specifies the address for the SGE from which to
* retrieve the address field.
*
* A physical address specifying the contents of the SGE's address field.
*/
dma_addr_t scic_cb_sge_get_address_field(
void *scic_user_io_request,
void *sge_address);
/**
* scic_cb_sge_get_length_field() - This callback method asks the user to
* provide the contents of the "length" field in the Scatter-Gather Element.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @sge_address: This parameter specifies the address for the SGE from which to
* retrieve the address field.
*
* This method returns the length field specified inside the SGE referenced by
* the sge_address parameter.
*/
u32 scic_cb_sge_get_length_field(
void *scic_user_io_request,
void *sge_address);
/**
* scic_cb_ssp_io_request_get_cdb_address() - This callback method asks the
* user to provide the address for the command descriptor block (CDB)
* associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the virtual address of the CDB.
*/
void *scic_cb_ssp_io_request_get_cdb_address(
void *scic_user_io_request);
/**
* scic_cb_ssp_io_request_get_cdb_length() - This callback method asks the user
* to provide the length of the command descriptor block (CDB) associated
* with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the length of the CDB.
*/
u32 scic_cb_ssp_io_request_get_cdb_length(
void *scic_user_io_request);
/**
* scic_cb_ssp_io_request_get_lun() - This callback method asks the user to
* provide the Logical Unit (LUN) associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* The contents of the value returned from this callback are defined by the
* protocol standard (e.g. T10 SAS specification). Please refer to the
* transport command information unit description in the associated standard.
* This method returns the LUN associated with this request. This should be u64?
*/
u32 scic_cb_ssp_io_request_get_lun(
void *scic_user_io_request);
/**
* scic_cb_ssp_io_request_get_task_attribute() - This callback method asks the
* user to provide the task attribute associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* The contents of the value returned from this callback are defined by the
* protocol standard (e.g. T10 SAS specification). Please refer to the
* transport command information unit description in the associated standard.
* This method returns the task attribute associated with this IO request.
*/
u32 scic_cb_ssp_io_request_get_task_attribute(
void *scic_user_io_request);
/**
* scic_cb_ssp_io_request_get_command_priority() - This callback method asks
* the user to provide the command priority associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* The contents of the value returned from this callback are defined by the
* protocol standard (e.g. T10 SAS specification). Please refer to the
* transport command information unit description in the associated standard.
* This method returns the command priority associated with this IO request.
*/
u32 scic_cb_ssp_io_request_get_command_priority(
void *scic_user_io_request);
/**
* scic_cb_io_request_do_copy_rx_frames() - This callback method asks the user
* if the received RX frame data is to be copied to the SGL or should be
* stored by the SCI core to be retrieved later with the
* scic_io_request_get_rx_frame().
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns true if the SCI core should copy the received frame data
* to the SGL location or false if the SCI user wants to retrieve the frame
* data at a later time.
*/
bool scic_cb_io_request_do_copy_rx_frames(
void *scic_user_io_request);
/**
* scic_cb_request_get_sat_protocol() - This callback method asks the user to
* return the SAT protocol definition for this IO request. This method is
* only called by the SCI core if the request type constructed is SATA.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns one of the sat.h defined protocols for the given io
* request.
*/
u8 scic_cb_request_get_sat_protocol(
void *scic_user_io_request);
/**
* scic_cb_ssp_task_request_get_lun() - This method returns the Logical Unit to
* be utilized for this task management request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* The contents of the value returned from this callback are defined by the
* protocol standard (e.g. T10 SAS specification). Please refer to the
* transport task information unit description in the associated standard. This
* method returns the LUN associated with this request. This should be u64?
*/
u32 scic_cb_ssp_task_request_get_lun(
void *scic_user_task_request);
/**
* scic_cb_ssp_task_request_get_function() - This method returns the task
* management function to be utilized for this task request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* The contents of the value returned from this callback are defined by the
* protocol standard (e.g. T10 SAS specification). Please refer to the
* transport task information unit description in the associated standard. This
* method returns an unsigned byte representing the task management function to
* be performed.
*/
u8 scic_cb_ssp_task_request_get_function(
void *scic_user_task_request);
/**
* scic_cb_ssp_task_request_get_io_tag_to_manage() - This method returns the
* task management IO tag to be managed. Depending upon the task management
* function the value returned from this method may be ignored.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns an unsigned 16-bit word depicting the IO tag to be
* managed.
*/
u16 scic_cb_ssp_task_request_get_io_tag_to_manage(
void *scic_user_task_request);
/**
* scic_cb_ssp_task_request_get_response_data_address() - This callback method
* asks the user to provide the virtual address of the response data buffer
* for the supplied IO request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the virtual address for the response data buffer
* associated with this IO request.
*/
void *scic_cb_ssp_task_request_get_response_data_address(
void *scic_user_task_request);
/**
* scic_cb_ssp_task_request_get_response_data_length() - This callback method
* asks the user to provide the length of the response data buffer for the
* supplied IO request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the length of the response buffer data associated with
* this IO request.
*/
u32 scic_cb_ssp_task_request_get_response_data_length(
void *scic_user_task_request);
/**
* scic_cb_pci_get_bar() - In this method the user must return the base address
* register (BAR) value for the supplied base address register number.
* @controller: The controller for which to retrieve the bar number.
* @bar_number: This parameter depicts the BAR index/number to be read.
*
* Return a pointer value indicating the contents of the BAR. NULL indicates an
* invalid BAR index/number was specified. All other values indicate a valid
* VIRTUAL address from the BAR.
*/
void *scic_cb_pci_get_bar(
struct scic_sds_controller *controller,
u16 bar_number);
/**
* scic_cb_get_virtual_address() - This callback method asks the user to
* provide the virtual address for the supplied physical address.
* @controller: This parameter is the core controller object handle.
* @physical_address: This parameter is the physical address which is to be
* returned as a virtual address.
*
* The method returns the virtual address for the supplied physical address.
*/
void *scic_cb_get_virtual_address(
struct scic_sds_controller *controller,
dma_addr_t physical_address);
#if !defined(DISABLE_ATAPI)
/**
* scic_cb_stp_packet_io_request_get_cdb_address() - This user callback gets
* from stp packet io's user request the CDB address.
* @scic_user_io_request:
*
* The cdb adress.
*/
void *scic_cb_stp_packet_io_request_get_cdb_address(
void *scic_user_io_request);
/**
* scic_cb_stp_packet_io_request_get_cdb_length() - This user callback gets
* from stp packet io's user request the CDB length.
* @scic_user_io_request:
*
* The cdb length.
*/
u32 scic_cb_stp_packet_io_request_get_cdb_length(
void *scic_user_io_request);
#else /* !defined(DISABLE_ATAPI) */
#define scic_cb_stp_packet_io_request_get_cdb_address(scic_user_io_request) NULL
#define scic_cb_stp_packet_io_request_get_cdb_length(scic_user_io_request) 0
#endif /* !defined(DISABLE_ATAPI) */
#endif /* _SCIC_USER_CALLBACK_H_ */

485
drivers/scsi/isci/deprecated.c
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@ -1,485 +0,0 @@
/*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* BSD LICENSE
*
* Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* This file contains isci module object implementation.
*
*
*/
#include "isci.h"
#include "request.h"
#include "sata.h"
#include "task.h"
/**
* scic_cb_stall_execution() - This method is called when the core requires the
* OS driver to stall execution. This method is utilized during
* initialization or non-performance paths only.
* @microseconds: This parameter specifies the number of microseconds for which
* to stall. The operating system driver is allowed to round this value up
* where necessary.
*
* none.
*/
void scic_cb_stall_execution(
u32 microseconds)
{
udelay(microseconds);
}
/**
* scic_cb_io_request_get_physical_address() - This callback method asks the
* user to provide the physical address for the supplied virtual address
* when building an io request object.
* @controller: This parameter is the core controller object handle.
* @io_request: This parameter is the io request object handle for which the
* physical address is being requested.
*
*
*/
void scic_cb_io_request_get_physical_address(
struct scic_sds_controller *controller,
struct scic_sds_request *io_request,
void *virtual_address,
dma_addr_t *physical_address)
{
struct isci_request *request =
(struct isci_request *)sci_object_get_association(io_request);
char *requested_address = (char *)virtual_address;
char *base_address = (char *)request;
BUG_ON(requested_address < base_address);
BUG_ON((requested_address - base_address) >=
request->request_alloc_size);
*physical_address = request->request_daddr +
(requested_address - base_address);
}
/**
* scic_cb_io_request_get_transfer_length() - This callback method asks the
* user to provide the number of bytes to be transfered as part of this
* request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the number of payload data bytes to be transfered for
* this IO request.
*/
u32 scic_cb_io_request_get_transfer_length(
void *scic_user_io_request)
{
return isci_request_io_request_get_transfer_length(
scic_user_io_request
);
}
/**
* scic_cb_io_request_get_data_direction() - This callback method asks the user
* to provide the data direction for this request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*/
enum dma_data_direction scic_cb_io_request_get_data_direction(void *req)
{
return isci_request_io_request_get_data_direction(req);
}
/**
* scic_cb_io_request_get_next_sge() - This callback method asks the user to
* provide the address to where the next Scatter-Gather Element is located.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @current_sge_address: This parameter specifies the address for the current
* SGE (i.e. the one that has just processed).
*
* An address specifying the location for the next scatter gather element to be
* processed.
*/
void scic_cb_io_request_get_next_sge(
void *scic_user_io_request,
void *current_sge_address,
void **next_sge)
{
*next_sge = isci_request_io_request_get_next_sge(
scic_user_io_request,
current_sge_address
);
}
/**
* scic_cb_sge_get_address_field() - This callback method asks the user to
* provide the contents of the "address" field in the Scatter-Gather Element.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @sge_address: This parameter specifies the address for the SGE from which to
* retrieve the address field.
*
* A physical address specifying the contents of the SGE's address field.
*/
dma_addr_t scic_cb_sge_get_address_field(
void *scic_user_io_request,
void *sge_address)
{
return isci_request_sge_get_address_field(
scic_user_io_request,
sge_address
);
}
/**
* scic_cb_sge_get_length_field() - This callback method asks the user to
* provide the contents of the "length" field in the Scatter-Gather Element.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
* @sge_address: This parameter specifies the address for the SGE from which to
* retrieve the address field.
*
* This method returns the length field specified inside the SGE referenced by
* the sge_address parameter.
*/
u32 scic_cb_sge_get_length_field(
void *scic_user_io_request,
void *sge_address)
{
return isci_request_sge_get_length_field(
scic_user_io_request,
sge_address
);
}
/**
* scic_cb_ssp_io_request_get_cdb_address() - This callback method asks the
* user to provide the address for the command descriptor block (CDB)
* associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the virtual address of the CDB.
*/
void *scic_cb_ssp_io_request_get_cdb_address(
void *scic_user_io_request)
{
return isci_request_ssp_io_request_get_cdb_address(
scic_user_io_request
);
}
/**
* scic_cb_ssp_io_request_get_cdb_length() - This callback method asks the user
* to provide the length of the command descriptor block (CDB) associated
* with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the length of the CDB.
*/
u32 scic_cb_ssp_io_request_get_cdb_length(
void *scic_user_io_request)
{
return isci_request_ssp_io_request_get_cdb_length(
scic_user_io_request
);
}
/**
* scic_cb_ssp_io_request_get_lun() - This callback method asks the user to
* provide the Logical Unit (LUN) associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the LUN associated with this request. This should be u64?
*/
u32 scic_cb_ssp_io_request_get_lun(
void *scic_user_io_request)
{
return isci_request_ssp_io_request_get_lun(scic_user_io_request);
}
/**
* scic_cb_ssp_io_request_get_task_attribute() - This callback method asks the
* user to provide the task attribute associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the task attribute associated with this IO request.
*/
u32 scic_cb_ssp_io_request_get_task_attribute(
void *scic_user_io_request)
{
return isci_request_ssp_io_request_get_task_attribute(
scic_user_io_request
);
}
/**
* scic_cb_ssp_io_request_get_command_priority() - This callback method asks
* the user to provide the command priority associated with this IO request.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the command priority associated with this IO request.
*/
u32 scic_cb_ssp_io_request_get_command_priority(
void *scic_user_io_request)
{
return isci_request_ssp_io_request_get_command_priority(
scic_user_io_request
);
}
/**
* scic_cb_ssp_task_request_get_lun() - This method returns the Logical Unit to
* be utilized for this task management request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the LUN associated with this request. This should be u64?
*/
u32 scic_cb_ssp_task_request_get_lun(
void *scic_user_task_request)
{
return isci_task_ssp_request_get_lun(
(struct isci_request *)scic_user_task_request
);
}
/**
* scic_cb_ssp_task_request_get_function() - This method returns the task
* management function to be utilized for this task request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns an unsigned byte representing the task management
* function to be performed.
*/
u8 scic_cb_ssp_task_request_get_function(
void *scic_user_task_request)
{
return isci_task_ssp_request_get_function(
(struct isci_request *)scic_user_task_request
);
}
/**
* scic_cb_ssp_task_request_get_io_tag_to_manage() - This method returns the
* task management IO tag to be managed. Depending upon the task management
* function the value returned from this method may be ignored.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns an unsigned 16-bit word depicting the IO tag to be
* managed.
*/
u16 scic_cb_ssp_task_request_get_io_tag_to_manage(
void *scic_user_task_request)
{
return isci_task_ssp_request_get_io_tag_to_manage(
(struct isci_request *)scic_user_task_request
);
}
/**
* scic_cb_ssp_task_request_get_response_data_address() - This callback method
* asks the user to provide the virtual address of the response data buffer
* for the supplied IO request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the virtual address for the response data buffer
* associated with this IO request.
*/
void *scic_cb_ssp_task_request_get_response_data_address(
void *scic_user_task_request)
{
return isci_task_ssp_request_get_response_data_address(
(struct isci_request *)scic_user_task_request
);
}
/**
* scic_cb_ssp_task_request_get_response_data_length() - This callback method
* asks the user to provide the length of the response data buffer for the
* supplied IO request.
* @scic_user_task_request: This parameter points to the user's task request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns the length of the response buffer data associated with
* this IO request.
*/
u32 scic_cb_ssp_task_request_get_response_data_length(
void *scic_user_task_request)
{
return isci_task_ssp_request_get_response_data_length(
(struct isci_request *)scic_user_task_request
);
}
#if !defined(DISABLE_ATAPI)
/**
* scic_cb_stp_packet_io_request_get_cdb_address() - This user callback asks
* the user to provide stp packet io's the CDB address.
* @scic_user_io_request:
*
* The packet IO's cdb adress.
*/
void *scic_cb_stp_packet_io_request_get_cdb_address(
void *scic_user_io_request)
{
return isci_request_stp_packet_io_request_get_cdb_address(
scic_user_io_request
);
}
/**
* scic_cb_stp_packet_io_request_get_cdb_length() - This user callback asks the
* user to provide stp packet io's the CDB length.
* @scic_user_io_request:
*
* The packet IO's cdb length.
*/
u32 scic_cb_stp_packet_io_request_get_cdb_length(
void *scic_user_io_request)
{
return isci_request_stp_packet_io_request_get_cdb_length(
scic_user_io_request
);
}
#endif /* #if !defined(DISABLE_ATAPI) */
/**
* scic_cb_io_request_do_copy_rx_frames() - This callback method asks the user
* if the received RX frame data is to be copied to the SGL or should be
* stored by the SCI core to be retrieved later with the
* scic_io_request_get_rx_frame().
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns true if the SCI core should copy the received frame data
* to the SGL location or false if the SCI user wants to retrieve the frame
* data at a later time.
*/
bool scic_cb_io_request_do_copy_rx_frames(
void *scic_user_io_request)
{
struct sas_task *task
= isci_request_access_task(
(struct isci_request *)scic_user_io_request
);
return (task->data_dir == DMA_NONE) ? false : true;
}
/**
* scic_cb_get_virtual_address() - This callback method asks the user to
* provide the virtual address for the supplied physical address.
* @controller: This parameter is the core controller object handle.
* @physical_address: This parameter is the physical address which is to be
* returned as a virtual address.
*
* The method returns the virtual address for the supplied physical address.
*/
void *scic_cb_get_virtual_address(
struct scic_sds_controller *controller,
dma_addr_t physical_address)
{
void *virt_addr = (void *)phys_to_virt(physical_address);
return virt_addr;
}
/**
* scic_cb_request_get_sat_protocol() - This callback method asks the user to
* return the SAT protocol definition for this IO request. This method is
* only called by the SCI core if the request type constructed is SATA.
* @scic_user_io_request: This parameter points to the user's IO request
* object. It is a cookie that allows the user to provide the necessary
* information for this callback.
*
* This method returns one of the sat.h defined protocols for the given io
* request.
*/
u8 scic_cb_request_get_sat_protocol(
void *scic_user_io_request)
{
return isci_sata_get_sat_protocol(
(struct isci_request *)scic_user_io_request
);
}

1
drivers/scsi/isci/host.h
View File

@ -61,7 +61,6 @@
/*#include "task.h"*/
#include "timers.h"
#include "remote_device.h"
#include "scic_user_callback.h"
#define DRV_NAME "isci"
#define SCI_PCI_BAR_COUNT 2

2
drivers/scsi/isci/isci.h
View File

@ -86,6 +86,8 @@
#include "sci_status.h"
#include "request.h"
#include "events.h"
#include "task.h"
#include "sata.h"
extern struct kmem_cache *isci_kmem_cache;
extern struct isci_firmware *isci_firmware;

1
drivers/scsi/isci/remote_device.h
View File

@ -55,7 +55,6 @@
#if !defined(_ISCI_REMOTE_DEVICE_H_)
#define _ISCI_REMOTE_DEVICE_H_
#include "scic_user_callback.h"
struct isci_host;
struct scic_sds_remote_device;

2
drivers/scsi/isci/sata.c
View File

@ -324,7 +324,7 @@ int isci_task_send_lu_reset_sata(
/* Leave SRST high for a bit. */
#define ISCI_SRST_ASSERT_DELAY 100 /* usecs */
scic_cb_stall_execution(ISCI_SRST_ASSERT_DELAY);
udelay(ISCI_SRST_ASSERT_DELAY);
/* Deassert SRST. */
isci_task_build_tmf(&tmf, isci_device, isci_tmf_sata_srst_low,