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freebsd-skq/sys/dev/twa/tw_cl_init.c
Scott Long a4820cd2f6 Update to version 3.70.03.007 from the vendor. This adds support for new 
SAS-enabled cards.  It also makes the driver MPSAFE, eliminating some
problems that resulted from CAM becoming MPSAFE.  Many thanks to 3Ware/AMCC
for continuing to support FreeBSD.

Submitted by: Manjunath Ranganathaiah
Approved by: re
2007-10-09 17:43:57 +00:00

745 lines
23 KiB
C
Raw Blame History

/*
* Copyright (c) 2004-07 Applied Micro Circuits Corporation.
* Copyright (c) 2004-05 Vinod Kashyap
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* AMCC'S 3ware driver for 9000 series storage controllers.
*
* Author: Vinod Kashyap
* Modifications by: Adam Radford
* Modifications by: Manjunath Ranganathaiah
*/
/*
* Common Layer initialization functions.
*/
#include "tw_osl_share.h"
#include "tw_cl_share.h"
#include "tw_cl_fwif.h"
#include "tw_cl_ioctl.h"
#include "tw_cl.h"
#include "tw_cl_externs.h"
#include "tw_osl_ioctl.h"
/*
* Function name: tw_cl_ctlr_supported
* Description: Determines if a controller is supported.
*
* Input: vendor_id -- vendor id of the controller
* device_id -- device id of the controller
* Output: None
* Return value: TW_CL_TRUE-- controller supported
* TW_CL_FALSE-- controller not supported
*/
TW_INT32
tw_cl_ctlr_supported(TW_INT32 vendor_id, TW_INT32 device_id)
{
if ((vendor_id == TW_CL_VENDOR_ID) &&
((device_id == TW_CL_DEVICE_ID_9K) ||
(device_id == TW_CL_DEVICE_ID_9K_X) ||
(device_id == TW_CL_DEVICE_ID_9K_E) ||
(device_id == TW_CL_DEVICE_ID_9K_SA)))
return(TW_CL_TRUE);
return(TW_CL_FALSE);
}
/*
* Function name: tw_cl_get_pci_bar_info
* Description: Returns PCI BAR info.
*
* Input: device_id -- device id of the controller
* bar_type -- type of PCI BAR in question
* Output: bar_num -- PCI BAR number corresponding to bar_type
* bar0_offset -- byte offset from BAR 0 (0x10 in
* PCI config space)
* bar_size -- size, in bytes, of the BAR in question
* Return value: 0 -- success
* non-zero -- failure
*/
TW_INT32
tw_cl_get_pci_bar_info(TW_INT32 device_id, TW_INT32 bar_type,
TW_INT32 *bar_num, TW_INT32 *bar0_offset, TW_INT32 *bar_size)
{
TW_INT32 error = TW_OSL_ESUCCESS;
switch(device_id) {
case TW_CL_DEVICE_ID_9K:
switch(bar_type) {
case TW_CL_BAR_TYPE_IO:
*bar_num = 0;
*bar0_offset = 0;
*bar_size = 4;
break;
case TW_CL_BAR_TYPE_MEM:
*bar_num = 1;
*bar0_offset = 0x4;
*bar_size = 8;
break;
case TW_CL_BAR_TYPE_SBUF:
*bar_num = 2;
*bar0_offset = 0xC;
*bar_size = 8;
break;
}
break;
case TW_CL_DEVICE_ID_9K_X:
case TW_CL_DEVICE_ID_9K_E:
case TW_CL_DEVICE_ID_9K_SA:
switch(bar_type) {
case TW_CL_BAR_TYPE_IO:
*bar_num = 2;
*bar0_offset = 0x10;
*bar_size = 4;
break;
case TW_CL_BAR_TYPE_MEM:
*bar_num = 1;
*bar0_offset = 0x8;
*bar_size = 8;
break;
case TW_CL_BAR_TYPE_SBUF:
*bar_num = 0;
*bar0_offset = 0;
*bar_size = 8;
break;
}
break;
default:
error = TW_OSL_ENOTTY;
break;
}
return(error);
}
/*
* Function name: tw_cl_get_mem_requirements
* Description: Provides info about Common Layer requirements for a
* controller, given the controller type (in 'flags').
* Input: ctlr_handle -- controller handle
* flags -- more info passed by the OS Layer
* device_id -- device id of the controller
* max_simult_reqs -- maximum # of simultaneous
* requests that the OS Layer expects
* the Common Layer to support
* max_aens -- maximun # of AEN's needed to be supported
* Output: alignment -- alignment needed for all DMA'able
* buffers
* sg_size_factor -- every SG element should have a size
* that's a multiple of this number
* non_dma_mem_size -- # of bytes of memory needed for
* non-DMA purposes
* dma_mem_size -- # of bytes of DMA'able memory needed
* per_req_dma_mem_size -- # of bytes of DMA'able memory
* needed per request, if applicable
* per_req_non_dma_mem_size -- # of bytes of memory needed
* per request for non-DMA purposes,
* if applicable
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cl_get_mem_requirements(struct tw_cl_ctlr_handle *ctlr_handle,
TW_UINT32 flags, TW_INT32 device_id, TW_INT32 max_simult_reqs,
TW_INT32 max_aens, TW_UINT32 *alignment, TW_UINT32 *sg_size_factor,
TW_UINT32 *non_dma_mem_size, TW_UINT32 *dma_mem_size
)
{
if (device_id == 0)
device_id = TW_CL_DEVICE_ID_9K;
if (max_simult_reqs > TW_CL_MAX_SIMULTANEOUS_REQUESTS) {
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1000, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Too many simultaneous requests to support!",
"requested = %d, supported = %d, error = %d\n",
max_simult_reqs, TW_CL_MAX_SIMULTANEOUS_REQUESTS,
TW_OSL_EBIG);
return(TW_OSL_EBIG);
}
*alignment = TWA_ALIGNMENT(device_id);
*sg_size_factor = TWA_SG_ELEMENT_SIZE_FACTOR(device_id);
/*
* Total non-DMA memory needed is the sum total of memory needed for
* the controller context, request packets (including the 1 needed for
* CL internal requests), and event packets.
*/
*non_dma_mem_size = sizeof(struct tw_cli_ctlr_context) +
(sizeof(struct tw_cli_req_context) * (max_simult_reqs + 1)) +
(sizeof(struct tw_cl_event_packet) * max_aens);
/*
* Total DMA'able memory needed is the sum total of memory needed for
* all command packets (including the 1 needed for CL internal
* requests), and memory needed to hold the payload for internal
* requests.
*/
*dma_mem_size = (sizeof(struct tw_cl_command_packet) *
(max_simult_reqs + 1)) + (TW_CLI_SECTOR_SIZE);
return(0);
}
/*
* Function name: tw_cl_init_ctlr
* Description: Initializes driver data structures for the controller.
*
* Input: ctlr_handle -- controller handle
* flags -- more info passed by the OS Layer
* device_id -- device id of the controller
* max_simult_reqs -- maximum # of simultaneous requests
* that the OS Layer expects the Common
* Layer to support
* max_aens -- maximun # of AEN's needed to be supported
* non_dma_mem -- ptr to allocated non-DMA memory
* dma_mem -- ptr to allocated DMA'able memory
* dma_mem_phys -- physical address of dma_mem
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cl_init_ctlr(struct tw_cl_ctlr_handle *ctlr_handle, TW_UINT32 flags,
TW_INT32 device_id, TW_INT32 max_simult_reqs, TW_INT32 max_aens,
TW_VOID *non_dma_mem, TW_VOID *dma_mem, TW_UINT64 dma_mem_phys
)
{
struct tw_cli_ctlr_context *ctlr;
struct tw_cli_req_context *req;
TW_UINT8 *free_non_dma_mem;
TW_INT32 error = TW_OSL_ESUCCESS;
TW_INT32 i;
tw_cli_dbg_printf(3, ctlr_handle, tw_osl_cur_func(), "entered");
if (flags & TW_CL_START_CTLR_ONLY) {
ctlr = (struct tw_cli_ctlr_context *)
(ctlr_handle->cl_ctlr_ctxt);
goto start_ctlr;
}
if (max_simult_reqs > TW_CL_MAX_SIMULTANEOUS_REQUESTS) {
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1000, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Too many simultaneous requests to support!",
"requested = %d, supported = %d, error = %d\n",
max_simult_reqs, TW_CL_MAX_SIMULTANEOUS_REQUESTS,
TW_OSL_EBIG);
return(TW_OSL_EBIG);
}
if ((non_dma_mem == TW_CL_NULL) || (dma_mem == TW_CL_NULL)
) {
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1001, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Insufficient memory for Common Layer's internal usage",
"error = %d\n", TW_OSL_ENOMEM);
return(TW_OSL_ENOMEM);
}
tw_osl_memzero(non_dma_mem, sizeof(struct tw_cli_ctlr_context) +
(sizeof(struct tw_cli_req_context) * (max_simult_reqs + 1)) +
(sizeof(struct tw_cl_event_packet) * max_aens));
tw_osl_memzero(dma_mem,
(sizeof(struct tw_cl_command_packet) *
(max_simult_reqs + 1)) +
TW_CLI_SECTOR_SIZE);
free_non_dma_mem = (TW_UINT8 *)non_dma_mem;
ctlr = (struct tw_cli_ctlr_context *)free_non_dma_mem;
free_non_dma_mem += sizeof(struct tw_cli_ctlr_context);
ctlr_handle->cl_ctlr_ctxt = ctlr;
ctlr->ctlr_handle = ctlr_handle;
ctlr->device_id = (TW_UINT32)device_id;
ctlr->arch_id = TWA_ARCH_ID(device_id);
ctlr->flags = flags;
ctlr->sg_size_factor = TWA_SG_ELEMENT_SIZE_FACTOR(device_id);
ctlr->max_simult_reqs = max_simult_reqs + 1;
ctlr->max_aens_supported = max_aens;
/* Initialize queues of CL internal request context packets. */
tw_cli_req_q_init(ctlr, TW_CLI_FREE_Q);
tw_cli_req_q_init(ctlr, TW_CLI_BUSY_Q);
tw_cli_req_q_init(ctlr, TW_CLI_PENDING_Q);
tw_cli_req_q_init(ctlr, TW_CLI_COMPLETE_Q);
/* Initialize all locks used by CL. */
ctlr->gen_lock = &(ctlr->gen_lock_handle);
tw_osl_init_lock(ctlr_handle, "tw_cl_gen_lock", ctlr->gen_lock);
ctlr->io_lock = &(ctlr->io_lock_handle);
tw_osl_init_lock(ctlr_handle, "tw_cl_io_lock", ctlr->io_lock);
/*
* If 64 bit cmd pkt addresses are used, we will need to serialize
* writes to the hardware (across registers), since existing (G66)
* hardware will get confused if, for example, we wrote the low 32 bits
* of the cmd pkt address, followed by a response interrupt mask to the
* control register, followed by the high 32 bits of the cmd pkt
* address. It will then interpret the value written to the control
* register as the low cmd pkt address. So, for this case, we will
* make a note that we will need to synchronize control register writes
* with command register writes.
*/
if ((ctlr->flags & TW_CL_64BIT_ADDRESSES) &&
((ctlr->device_id == TW_CL_DEVICE_ID_9K) ||
(ctlr->device_id == TW_CL_DEVICE_ID_9K_X) ||
(ctlr->device_id == TW_CL_DEVICE_ID_9K_E) ||
(ctlr->device_id == TW_CL_DEVICE_ID_9K_SA))) {
ctlr->state |= TW_CLI_CTLR_STATE_G66_WORKAROUND_NEEDED;
ctlr->intr_lock = ctlr->io_lock;
} else {
ctlr->intr_lock = &(ctlr->intr_lock_handle);
tw_osl_init_lock(ctlr_handle, "tw_cl_intr_lock",
ctlr->intr_lock);
}
/* Initialize CL internal request context packets. */
ctlr->req_ctxt_buf = (struct tw_cli_req_context *)free_non_dma_mem;
free_non_dma_mem += (sizeof(struct tw_cli_req_context) *
(
max_simult_reqs +
1));
ctlr->cmd_pkt_buf = (struct tw_cl_command_packet *)dma_mem;
ctlr->cmd_pkt_phys = dma_mem_phys;
ctlr->internal_req_data = (TW_UINT8 *)
(ctlr->cmd_pkt_buf +
(
max_simult_reqs +
1));
ctlr->internal_req_data_phys = ctlr->cmd_pkt_phys +
(sizeof(struct tw_cl_command_packet) *
(
max_simult_reqs +
1));
for (i = 0;
i < (
max_simult_reqs +
1); i++) {
req = &(ctlr->req_ctxt_buf[i]);
req->cmd_pkt = &(ctlr->cmd_pkt_buf[i]);
req->cmd_pkt_phys = ctlr->cmd_pkt_phys +
(i * sizeof(struct tw_cl_command_packet));
req->request_id = i;
req->ctlr = ctlr;
/* Insert request into the free queue. */
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
}
/* Initialize the AEN queue. */
ctlr->aen_queue = (struct tw_cl_event_packet *)free_non_dma_mem;
start_ctlr:
/*
* Disable interrupts. Interrupts will be enabled in tw_cli_start_ctlr
* (only) if initialization succeeded.
*/
tw_cli_disable_interrupts(ctlr);
/* Initialize the controller. */
if ((error = tw_cli_start_ctlr(ctlr))) {
/* Soft reset the controller, and try one more time. */
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1002, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Controller initialization failed. Retrying...",
"error = %d\n", error);
if ((error = tw_cli_soft_reset(ctlr))) {
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1003, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Controller soft reset failed",
"error = %d\n", error);
return(error);
} else if ((error = tw_cli_start_ctlr(ctlr))) {
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1004, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Controller initialization retry failed",
"error = %d\n", error);
return(error);
}
}
/* Notify some info about the controller to the OSL. */
tw_cli_notify_ctlr_info(ctlr);
/* Mark the controller as active. */
ctlr->state |= TW_CLI_CTLR_STATE_ACTIVE;
return(error);
}
/*
* Function name: tw_cli_start_ctlr
* Description: Establishes a logical connection with the controller.
* Determines whether or not the driver is compatible
* with the firmware on the controller, before proceeding
* to work with it.
*
* Input: ctlr -- ptr to per ctlr structure
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cli_start_ctlr(struct tw_cli_ctlr_context *ctlr)
{
TW_UINT16 fw_on_ctlr_srl = 0;
TW_UINT16 fw_on_ctlr_arch_id = 0;
TW_UINT16 fw_on_ctlr_branch = 0;
TW_UINT16 fw_on_ctlr_build = 0;
TW_UINT32 init_connect_result = 0;
TW_INT32 error = TW_OSL_ESUCCESS;
tw_cli_dbg_printf(3, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
/* Wait for the controller to become ready. */
if ((error = tw_cli_poll_status(ctlr,
TWA_STATUS_MICROCONTROLLER_READY,
TW_CLI_REQUEST_TIMEOUT_PERIOD))) {
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1009, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Microcontroller not ready",
"error = %d", error);
return(error);
}
/* Drain the response queue. */
if ((error = tw_cli_drain_response_queue(ctlr))) {
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x100A, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Can't drain response queue",
"error = %d", error);
return(error);
}
/* Establish a logical connection with the controller. */
if ((error = tw_cli_init_connection(ctlr,
(TW_UINT16)(ctlr->max_simult_reqs),
TWA_EXTENDED_INIT_CONNECT, TWA_CURRENT_FW_SRL,
(TW_UINT16)(ctlr->arch_id),
TWA_CURRENT_FW_BRANCH(ctlr->arch_id),
TWA_CURRENT_FW_BUILD(ctlr->arch_id),
&fw_on_ctlr_srl, &fw_on_ctlr_arch_id,
&fw_on_ctlr_branch, &fw_on_ctlr_build,
&init_connect_result))) {
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x100B, 0x2, TW_CL_SEVERITY_WARNING_STRING,
"Can't initialize connection in current mode",
"error = %d", error);
return(error);
}
{
/* See if we can at least work with the firmware on the
* controller in the current mode.
*/
if (init_connect_result & TWA_CTLR_FW_COMPATIBLE) {
/* Yes, we can. Make note of the operating mode. */
if (init_connect_result & TWA_CTLR_FW_SAME_OR_NEWER) {
ctlr->working_srl = TWA_CURRENT_FW_SRL;
ctlr->working_branch =
TWA_CURRENT_FW_BRANCH(ctlr->arch_id);
ctlr->working_build =
TWA_CURRENT_FW_BUILD(ctlr->arch_id);
} else {
ctlr->working_srl = fw_on_ctlr_srl;
ctlr->working_branch = fw_on_ctlr_branch;
ctlr->working_build = fw_on_ctlr_build;
}
} else {
/*
* No, we can't. See if we can at least work with
* it in the base mode.
*/
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1010, 0x2, TW_CL_SEVERITY_WARNING_STRING,
"Driver/Firmware mismatch. "
"Negotiating for base level...",
" ");
if ((error = tw_cli_init_connection(ctlr,
(TW_UINT16)(ctlr->max_simult_reqs),
TWA_EXTENDED_INIT_CONNECT,
TWA_BASE_FW_SRL,
(TW_UINT16)(ctlr->arch_id),
TWA_BASE_FW_BRANCH, TWA_BASE_FW_BUILD,
&fw_on_ctlr_srl, &fw_on_ctlr_arch_id,
&fw_on_ctlr_branch, &fw_on_ctlr_build,
&init_connect_result))) {
tw_cl_create_event(ctlr->ctlr_handle,
TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1011, 0x1,
TW_CL_SEVERITY_ERROR_STRING,
"Can't initialize connection in "
"base mode",
" ");
return(error);
}
if (!(init_connect_result & TWA_CTLR_FW_COMPATIBLE)) {
/*
* The firmware on the controller is not even
* compatible with our base mode. We cannot
* work with it. Bail...
*/
return(1);
}
/*
* We can work with this firmware, but only in
* base mode.
*/
ctlr->working_srl = TWA_BASE_FW_SRL;
ctlr->working_branch = TWA_BASE_FW_BRANCH;
ctlr->working_build = TWA_BASE_FW_BUILD;
ctlr->operating_mode = TWA_BASE_MODE;
}
ctlr->fw_on_ctlr_srl = fw_on_ctlr_srl;
ctlr->fw_on_ctlr_branch = fw_on_ctlr_branch;
ctlr->fw_on_ctlr_build = fw_on_ctlr_build;
}
/* Drain the AEN queue */
if ((error = tw_cli_drain_aen_queue(ctlr)))
/*
* We will just print that we couldn't drain the AEN queue.
* There's no need to bail out.
*/
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1014, 0x2, TW_CL_SEVERITY_WARNING_STRING,
"Can't drain AEN queue",
"error = %d", error);
/* Enable interrupts. */
tw_cli_enable_interrupts(ctlr);
return(TW_OSL_ESUCCESS);
}
/*
* Function name: tw_cl_shutdown_ctlr
* Description: Closes logical connection with the controller.
*
* Input: ctlr -- ptr to per ctlr structure
* flags -- more info passed by the OS Layer
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cl_shutdown_ctlr(struct tw_cl_ctlr_handle *ctlr_handle, TW_UINT32 flags)
{
struct tw_cli_ctlr_context *ctlr =
(struct tw_cli_ctlr_context *)(ctlr_handle->cl_ctlr_ctxt);
TW_INT32 error;
tw_cli_dbg_printf(3, ctlr_handle, tw_osl_cur_func(), "entered");
/*
* Mark the controller as inactive, disable any further interrupts,
* and notify the controller that we are going down.
*/
ctlr->state &= ~TW_CLI_CTLR_STATE_ACTIVE;
tw_cli_disable_interrupts(ctlr);
/* Let the controller know that we are going down. */
if ((error = tw_cli_init_connection(ctlr, TWA_SHUTDOWN_MESSAGE_CREDITS,
0, 0, 0, 0, 0, TW_CL_NULL, TW_CL_NULL, TW_CL_NULL,
TW_CL_NULL, TW_CL_NULL)))
tw_cl_create_event(ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1015, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Can't close connection with controller",
"error = %d", error);
if (flags & TW_CL_STOP_CTLR_ONLY)
goto ret;
/* Destroy all locks used by CL. */
tw_osl_destroy_lock(ctlr_handle, ctlr->gen_lock);
tw_osl_destroy_lock(ctlr_handle, ctlr->io_lock);
if (!(ctlr->flags & TW_CL_64BIT_ADDRESSES))
tw_osl_destroy_lock(ctlr_handle, ctlr->intr_lock);
ret:
return(error);
}
/*
* Function name: tw_cli_init_connection
* Description: Sends init_connection cmd to firmware
*
* Input: ctlr -- ptr to per ctlr structure
* message_credits -- max # of requests that we might send
* down simultaneously. This will be
* typically set to 256 at init-time or
* after a reset, and to 1 at shutdown-time
* set_features -- indicates if we intend to use 64-bit
* sg, also indicates if we want to do a
* basic or an extended init_connection;
*
* Note: The following input/output parameters are valid, only in case of an
* extended init_connection:
*
* current_fw_srl -- srl of fw we are bundled
* with, if any; 0 otherwise
* current_fw_arch_id -- arch_id of fw we are bundled
* with, if any; 0 otherwise
* current_fw_branch -- branch # of fw we are bundled
* with, if any; 0 otherwise
* current_fw_build -- build # of fw we are bundled
* with, if any; 0 otherwise
* Output: fw_on_ctlr_srl -- srl of fw on ctlr
* fw_on_ctlr_arch_id -- arch_id of fw on ctlr
* fw_on_ctlr_branch -- branch # of fw on ctlr
* fw_on_ctlr_build -- build # of fw on ctlr
* init_connect_result -- result bitmap of fw response
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cli_init_connection(struct tw_cli_ctlr_context *ctlr,
TW_UINT16 message_credits, TW_UINT32 set_features,
TW_UINT16 current_fw_srl, TW_UINT16 current_fw_arch_id,
TW_UINT16 current_fw_branch, TW_UINT16 current_fw_build,
TW_UINT16 *fw_on_ctlr_srl, TW_UINT16 *fw_on_ctlr_arch_id,
TW_UINT16 *fw_on_ctlr_branch, TW_UINT16 *fw_on_ctlr_build,
TW_UINT32 *init_connect_result)
{
struct tw_cli_req_context *req;
struct tw_cl_command_init_connect *init_connect;
TW_INT32 error = TW_OSL_EBUSY;
tw_cli_dbg_printf(3, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
/* Get a request packet. */
if ((req = tw_cli_get_request(ctlr
)) == TW_CL_NULL)
goto out;
req->flags |= TW_CLI_REQ_FLAGS_INTERNAL;
/* Build the cmd pkt. */
init_connect = &(req->cmd_pkt->command.cmd_pkt_7k.init_connect);
req->cmd_pkt->cmd_hdr.header_desc.size_header = 128;
init_connect->res1__opcode =
BUILD_RES__OPCODE(0, TWA_FW_CMD_INIT_CONNECTION);
init_connect->request_id =
(TW_UINT8)(TW_CL_SWAP16(req->request_id));
init_connect->message_credits = TW_CL_SWAP16(message_credits);
init_connect->features = TW_CL_SWAP32(set_features);
if (ctlr->flags & TW_CL_64BIT_ADDRESSES)
init_connect->features |= TWA_64BIT_SG_ADDRESSES;
if (set_features & TWA_EXTENDED_INIT_CONNECT) {
/*
* Fill in the extra fields needed for an extended
* init_connect.
*/
init_connect->size = 6;
init_connect->fw_srl = TW_CL_SWAP16(current_fw_srl);
init_connect->fw_arch_id = TW_CL_SWAP16(current_fw_arch_id);
init_connect->fw_branch = TW_CL_SWAP16(current_fw_branch);
init_connect->fw_build = TW_CL_SWAP16(current_fw_build);
} else
init_connect->size = 3;
/* Submit the command, and wait for it to complete. */
error = tw_cli_submit_and_poll_request(req,
TW_CLI_REQUEST_TIMEOUT_PERIOD);
if (error == TW_OSL_ETIMEDOUT)
/* Clean-up done by tw_cli_submit_and_poll_request. */
return(error);
if (error)
goto out;
if ((error = init_connect->status)) {
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
&(req->cmd_pkt->cmd_hdr));
goto out;
}
if (set_features & TWA_EXTENDED_INIT_CONNECT) {
*fw_on_ctlr_srl = TW_CL_SWAP16(init_connect->fw_srl);
*fw_on_ctlr_arch_id = TW_CL_SWAP16(init_connect->fw_arch_id);
*fw_on_ctlr_branch = TW_CL_SWAP16(init_connect->fw_branch);
*fw_on_ctlr_build = TW_CL_SWAP16(init_connect->fw_build);
*init_connect_result = TW_CL_SWAP32(init_connect->result);
}
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
return(error);
out:
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1016, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"init_connection failed",
"error = %d", error);
if (req)
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
return(error);
}
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