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linux/drivers/scsi/mpi3mr/mpi3mr_transport.c
Sreekanth Reddy 2bd37e2849 scsi: mpi3mr: Add framework to issue MPT transport cmds 
Add framework to issue MPT transport commands to controllers.  Also issue
the MPT transport commands to get the manufacturing info of SAS expander
device.

Link: https://lore.kernel.org/r/20220804131226.16653-13-sreekanth.reddy@broadcom.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2022-08-22 23:34:06 -04:00

2041 lines
60 KiB
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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for Broadcom MPI3 Storage Controllers
*
* Copyright (C) 2017-2022 Broadcom Inc.
* (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
*
*/
#include "mpi3mr.h"
/**
* mpi3mr_post_transport_req - Issue transport requests and wait
* @mrioc: Adapter instance reference
* @request: Properly populated MPI3 request
* @request_sz: Size of the MPI3 request
* @reply: Pointer to return MPI3 reply
* @reply_sz: Size of the MPI3 reply buffer
* @timeout: Timeout in seconds
* @ioc_status: Pointer to return ioc status
*
* A generic function for posting MPI3 requests from the SAS
* transport layer that uses transport command infrastructure.
* This blocks for the completion of request for timeout seconds
* and if the request times out this function faults the
* controller with proper reason code.
*
* On successful completion of the request this function returns
* appropriate ioc status from the firmware back to the caller.
*
* Return: 0 on success, non-zero on failure.
*/
static int mpi3mr_post_transport_req(struct mpi3mr_ioc *mrioc, void *request,
u16 request_sz, void *reply, u16 reply_sz, int timeout,
u16 *ioc_status)
{
int retval = 0;
mutex_lock(&mrioc->transport_cmds.mutex);
if (mrioc->transport_cmds.state & MPI3MR_CMD_PENDING) {
retval = -1;
ioc_err(mrioc, "sending transport request failed due to command in use\n");
mutex_unlock(&mrioc->transport_cmds.mutex);
goto out;
}
mrioc->transport_cmds.state = MPI3MR_CMD_PENDING;
mrioc->transport_cmds.is_waiting = 1;
mrioc->transport_cmds.callback = NULL;
mrioc->transport_cmds.ioc_status = 0;
mrioc->transport_cmds.ioc_loginfo = 0;
init_completion(&mrioc->transport_cmds.done);
dprint_cfg_info(mrioc, "posting transport request\n");
if (mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO)
dprint_dump(request, request_sz, "transport_req");
retval = mpi3mr_admin_request_post(mrioc, request, request_sz, 1);
if (retval) {
ioc_err(mrioc, "posting transport request failed\n");
goto out_unlock;
}
wait_for_completion_timeout(&mrioc->transport_cmds.done,
(timeout * HZ));
if (!(mrioc->transport_cmds.state & MPI3MR_CMD_COMPLETE)) {
mpi3mr_check_rh_fault_ioc(mrioc,
MPI3MR_RESET_FROM_SAS_TRANSPORT_TIMEOUT);
ioc_err(mrioc, "transport request timed out\n");
retval = -1;
goto out_unlock;
}
*ioc_status = mrioc->transport_cmds.ioc_status &
MPI3_IOCSTATUS_STATUS_MASK;
if ((*ioc_status) != MPI3_IOCSTATUS_SUCCESS)
dprint_transport_err(mrioc,
"transport request returned with ioc_status(0x%04x), log_info(0x%08x)\n",
*ioc_status, mrioc->transport_cmds.ioc_loginfo);
if ((reply) && (mrioc->transport_cmds.state & MPI3MR_CMD_REPLY_VALID))
memcpy((u8 *)reply, mrioc->transport_cmds.reply, reply_sz);
out_unlock:
mrioc->transport_cmds.state = MPI3MR_CMD_NOTUSED;
mutex_unlock(&mrioc->transport_cmds.mutex);
out:
return retval;
}
/* report manufacture request structure */
struct rep_manu_request {
u8 smp_frame_type;
u8 function;
u8 reserved;
u8 request_length;
};
/* report manufacture reply structure */
struct rep_manu_reply {
u8 smp_frame_type; /* 0x41 */
u8 function; /* 0x01 */
u8 function_result;
u8 response_length;
u16 expander_change_count;
u8 reserved0[2];
u8 sas_format;
u8 reserved2[3];
u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
u16 component_id;
u8 component_revision_id;
u8 reserved3;
u8 vendor_specific[8];
};
/**
* mpi3mr_report_manufacture - obtain SMP report_manufacture
* @mrioc: Adapter instance reference
* @sas_address: SAS address of the expander device
* @edev: SAS transport layer sas_expander_device object
* @port_id: ID of the HBA port
*
* Fills in the sas_expander_device with manufacturing info.
*
* Return: 0 for success, non-zero for failure.
*/
static int mpi3mr_report_manufacture(struct mpi3mr_ioc *mrioc,
u64 sas_address, struct sas_expander_device *edev, u8 port_id)
{
struct mpi3_smp_passthrough_request mpi_request;
struct mpi3_smp_passthrough_reply mpi_reply;
struct rep_manu_reply *manufacture_reply;
struct rep_manu_request *manufacture_request;
int rc = 0;
void *psge;
void *data_out = NULL;
dma_addr_t data_out_dma;
dma_addr_t data_in_dma;
size_t data_in_sz;
size_t data_out_sz;
u8 sgl_flags = MPI3MR_SGEFLAGS_SYSTEM_SIMPLE_END_OF_LIST;
u16 request_sz = sizeof(struct mpi3_smp_passthrough_request);
u16 reply_sz = sizeof(struct mpi3_smp_passthrough_reply);
u16 ioc_status;
if (mrioc->reset_in_progress) {
ioc_err(mrioc, "%s: host reset in progress!\n", __func__);
return -EFAULT;
}
data_out_sz = sizeof(struct rep_manu_request);
data_in_sz = sizeof(struct rep_manu_reply);
data_out = dma_alloc_coherent(&mrioc->pdev->dev,
data_out_sz + data_in_sz, &data_out_dma, GFP_KERNEL);
if (!data_out) {
rc = -ENOMEM;
goto out;
}
data_in_dma = data_out_dma + data_out_sz;
manufacture_reply = data_out + data_out_sz;
manufacture_request = data_out;
manufacture_request->smp_frame_type = 0x40;
manufacture_request->function = 1;
manufacture_request->reserved = 0;
manufacture_request->request_length = 0;
memset(&mpi_request, 0, request_sz);
memset(&mpi_reply, 0, reply_sz);
mpi_request.host_tag = cpu_to_le16(MPI3MR_HOSTTAG_TRANSPORT_CMDS);
mpi_request.function = MPI3_FUNCTION_SMP_PASSTHROUGH;
mpi_request.io_unit_port = (u8) port_id;
mpi_request.sas_address = cpu_to_le64(sas_address);
psge = &mpi_request.request_sge;
mpi3mr_add_sg_single(psge, sgl_flags, data_out_sz, data_out_dma);
psge = &mpi_request.response_sge;
mpi3mr_add_sg_single(psge, sgl_flags, data_in_sz, data_in_dma);
dprint_transport_info(mrioc,
"sending report manufacturer SMP request to sas_address(0x%016llx), port(%d)\n",
(unsigned long long)sas_address, port_id);
if (mpi3mr_post_transport_req(mrioc, &mpi_request, request_sz,
&mpi_reply, reply_sz, MPI3MR_INTADMCMD_TIMEOUT, &ioc_status))
goto out;
dprint_transport_info(mrioc,
"report manufacturer SMP request completed with ioc_status(0x%04x)\n",
ioc_status);
if (ioc_status == MPI3_IOCSTATUS_SUCCESS) {
u8 *tmp;
dprint_transport_info(mrioc,
"report manufacturer - reply data transfer size(%d)\n",
le16_to_cpu(mpi_reply.response_data_length));
if (le16_to_cpu(mpi_reply.response_data_length) !=
sizeof(struct rep_manu_reply))
goto out;
strscpy(edev->vendor_id, manufacture_reply->vendor_id,
SAS_EXPANDER_VENDOR_ID_LEN);
strscpy(edev->product_id, manufacture_reply->product_id,
SAS_EXPANDER_PRODUCT_ID_LEN);
strscpy(edev->product_rev, manufacture_reply->product_rev,
SAS_EXPANDER_PRODUCT_REV_LEN);
edev->level = manufacture_reply->sas_format & 1;
if (edev->level) {
strscpy(edev->component_vendor_id,
manufacture_reply->component_vendor_id,
SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
tmp = (u8 *)&manufacture_reply->component_id;
edev->component_id = tmp[0] << 8 | tmp[1];
edev->component_revision_id =
manufacture_reply->component_revision_id;
}
}
out:
if (data_out)
dma_free_coherent(&mrioc->pdev->dev, data_out_sz + data_in_sz,
data_out, data_out_dma);
return rc;
}
/**
* __mpi3mr_expander_find_by_handle - expander search by handle
* @mrioc: Adapter instance reference
* @handle: Firmware device handle of the expander
*
* Context: The caller should acquire sas_node_lock
*
* This searches for expander device based on handle, then
* returns the sas_node object.
*
* Return: Expander sas_node object reference or NULL
*/
struct mpi3mr_sas_node *__mpi3mr_expander_find_by_handle(struct mpi3mr_ioc
*mrioc, u16 handle)
{
struct mpi3mr_sas_node *sas_expander, *r;
r = NULL;
list_for_each_entry(sas_expander, &mrioc->sas_expander_list, list) {
if (sas_expander->handle != handle)
continue;
r = sas_expander;
goto out;
}
out:
return r;
}
/**
* mpi3mr_is_expander_device - if device is an expander
* @device_info: Bitfield providing information about the device
*
* Return: 1 if the device is expander device, else 0.
*/
u8 mpi3mr_is_expander_device(u16 device_info)
{
if ((device_info & MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_MASK) ==
MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_EXPANDER)
return 1;
else
return 0;
}
/**
* mpi3mr_get_sas_address - retrieve sas_address for handle
* @mrioc: Adapter instance reference
* @handle: Firmware device handle
* @sas_address: Address to hold sas address
*
* This function issues device page0 read for a given device
* handle and gets the SAS address and return it back
*
* Return: 0 for success, non-zero for failure
*/
static int mpi3mr_get_sas_address(struct mpi3mr_ioc *mrioc, u16 handle,
u64 *sas_address)
{
struct mpi3_device_page0 dev_pg0;
u16 ioc_status;
struct mpi3_device0_sas_sata_format *sasinf;
*sas_address = 0;
if ((mpi3mr_cfg_get_dev_pg0(mrioc, &ioc_status, &dev_pg0,
sizeof(dev_pg0), MPI3_DEVICE_PGAD_FORM_HANDLE,
handle))) {
ioc_err(mrioc, "%s: device page0 read failed\n", __func__);
return -ENXIO;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "device page read failed for handle(0x%04x), with ioc_status(0x%04x) failure at %s:%d/%s()!\n",
handle, ioc_status, __FILE__, __LINE__, __func__);
return -ENXIO;
}
if (le16_to_cpu(dev_pg0.flags) &
MPI3_DEVICE0_FLAGS_CONTROLLER_DEV_HANDLE)
*sas_address = mrioc->sas_hba.sas_address;
else if (dev_pg0.device_form == MPI3_DEVICE_DEVFORM_SAS_SATA) {
sasinf = &dev_pg0.device_specific.sas_sata_format;
*sas_address = le64_to_cpu(sasinf->sas_address);
} else {
ioc_err(mrioc, "%s: device_form(%d) is not SAS_SATA\n",
__func__, dev_pg0.device_form);
return -ENXIO;
}
return 0;
}
/**
* __mpi3mr_get_tgtdev_by_addr - target device search
* @mrioc: Adapter instance reference
* @sas_address: SAS address of the device
* @hba_port: HBA port entry
*
* This searches for target device from sas address and hba port
* pointer then return mpi3mr_tgt_dev object.
*
* Return: Valid tget_dev or NULL
*/
static struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr(struct mpi3mr_ioc *mrioc,
u64 sas_address, struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_tgt_dev *tgtdev;
assert_spin_locked(&mrioc->tgtdev_lock);
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list)
if ((tgtdev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA) &&
(tgtdev->dev_spec.sas_sata_inf.sas_address == sas_address)
&& (tgtdev->dev_spec.sas_sata_inf.hba_port == hba_port))
goto found_device;
return NULL;
found_device:
mpi3mr_tgtdev_get(tgtdev);
return tgtdev;
}
/**
* mpi3mr_get_tgtdev_by_addr - target device search
* @mrioc: Adapter instance reference
* @sas_address: SAS address of the device
* @hba_port: HBA port entry
*
* This searches for target device from sas address and hba port
* pointer then return mpi3mr_tgt_dev object.
*
* Context: This function will acquire tgtdev_lock and will
* release before returning the mpi3mr_tgt_dev object.
*
* Return: Valid tget_dev or NULL
*/
static struct mpi3mr_tgt_dev *mpi3mr_get_tgtdev_by_addr(struct mpi3mr_ioc *mrioc,
u64 sas_address, struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_tgt_dev *tgtdev = NULL;
unsigned long flags;
if (!hba_port)
goto out;
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
tgtdev = __mpi3mr_get_tgtdev_by_addr(mrioc, sas_address, hba_port);
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
out:
return tgtdev;
}
/**
* mpi3mr_remove_device_by_sas_address - remove the device
* @mrioc: Adapter instance reference
* @sas_address: SAS address of the device
* @hba_port: HBA port entry
*
* This searches for target device using sas address and hba
* port pointer then removes it from the OS.
*
* Return: None
*/
static void mpi3mr_remove_device_by_sas_address(struct mpi3mr_ioc *mrioc,
u64 sas_address, struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_tgt_dev *tgtdev = NULL;
unsigned long flags;
u8 was_on_tgtdev_list = 0;
if (!hba_port)
return;
spin_lock_irqsave(&mrioc->tgtdev_lock, flags);
tgtdev = __mpi3mr_get_tgtdev_by_addr(mrioc,
sas_address, hba_port);
if (tgtdev) {
if (!list_empty(&tgtdev->list)) {
list_del_init(&tgtdev->list);
was_on_tgtdev_list = 1;
mpi3mr_tgtdev_put(tgtdev);
}
}
spin_unlock_irqrestore(&mrioc->tgtdev_lock, flags);
if (was_on_tgtdev_list) {
if (tgtdev->host_exposed)
mpi3mr_remove_tgtdev_from_host(mrioc, tgtdev);
mpi3mr_tgtdev_put(tgtdev);
}
}
/**
* __mpi3mr_get_tgtdev_by_addr_and_rphy - target device search
* @mrioc: Adapter instance reference
* @sas_address: SAS address of the device
* @rphy: SAS transport layer rphy object
*
* This searches for target device from sas address and rphy
* pointer then return mpi3mr_tgt_dev object.
*
* Return: Valid tget_dev or NULL
*/
struct mpi3mr_tgt_dev *__mpi3mr_get_tgtdev_by_addr_and_rphy(
struct mpi3mr_ioc *mrioc, u64 sas_address, struct sas_rphy *rphy)
{
struct mpi3mr_tgt_dev *tgtdev;
assert_spin_locked(&mrioc->tgtdev_lock);
list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list)
if ((tgtdev->dev_type == MPI3_DEVICE_DEVFORM_SAS_SATA) &&
(tgtdev->dev_spec.sas_sata_inf.sas_address == sas_address)
&& (tgtdev->dev_spec.sas_sata_inf.rphy == rphy))
goto found_device;
return NULL;
found_device:
mpi3mr_tgtdev_get(tgtdev);
return tgtdev;
}
/**
* mpi3mr_expander_find_by_sas_address - sas expander search
* @mrioc: Adapter instance reference
* @sas_address: SAS address of expander
* @hba_port: HBA port entry
*
* Return: A valid SAS expander node or NULL.
*
*/
static struct mpi3mr_sas_node *mpi3mr_expander_find_by_sas_address(
struct mpi3mr_ioc *mrioc, u64 sas_address,
struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_sas_node *sas_expander, *r = NULL;
if (!hba_port)
goto out;
list_for_each_entry(sas_expander, &mrioc->sas_expander_list, list) {
if ((sas_expander->sas_address != sas_address) ||
(sas_expander->hba_port != hba_port))
continue;
r = sas_expander;
goto out;
}
out:
return r;
}
/**
* __mpi3mr_sas_node_find_by_sas_address - sas node search
* @mrioc: Adapter instance reference
* @sas_address: SAS address of expander or sas host
* @hba_port: HBA port entry
* Context: Caller should acquire mrioc->sas_node_lock.
*
* If the SAS address indicates the device is direct attached to
* the controller (controller's SAS address) then the SAS node
* associated with the controller is returned back else the SAS
* address and hba port are used to identify the exact expander
* and the associated sas_node object is returned. If there is
* no match NULL is returned.
*
* Return: A valid SAS node or NULL.
*
*/
static struct mpi3mr_sas_node *__mpi3mr_sas_node_find_by_sas_address(
struct mpi3mr_ioc *mrioc, u64 sas_address,
struct mpi3mr_hba_port *hba_port)
{
if (mrioc->sas_hba.sas_address == sas_address)
return &mrioc->sas_hba;
return mpi3mr_expander_find_by_sas_address(mrioc, sas_address,
hba_port);
}
/**
* mpi3mr_parent_present - Is parent present for a phy
* @mrioc: Adapter instance reference
* @phy: SAS transport layer phy object
*
* Return: 0 if parent is present else non-zero
*/
static int mpi3mr_parent_present(struct mpi3mr_ioc *mrioc, struct sas_phy *phy)
{
unsigned long flags;
struct mpi3mr_hba_port *hba_port = phy->hostdata;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
if (__mpi3mr_sas_node_find_by_sas_address(mrioc,
phy->identify.sas_address,
hba_port) == NULL) {
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
return -1;
}
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
return 0;
}
/**
* mpi3mr_convert_phy_link_rate -
* @link_rate: link rate as defined in the MPI header
*
* Convert link_rate from mpi format into sas_transport layer
* form.
*
* Return: A valid SAS transport layer defined link rate
*/
static enum sas_linkrate mpi3mr_convert_phy_link_rate(u8 link_rate)
{
enum sas_linkrate rc;
switch (link_rate) {
case MPI3_SAS_NEG_LINK_RATE_1_5:
rc = SAS_LINK_RATE_1_5_GBPS;
break;
case MPI3_SAS_NEG_LINK_RATE_3_0:
rc = SAS_LINK_RATE_3_0_GBPS;
break;
case MPI3_SAS_NEG_LINK_RATE_6_0:
rc = SAS_LINK_RATE_6_0_GBPS;
break;
case MPI3_SAS_NEG_LINK_RATE_12_0:
rc = SAS_LINK_RATE_12_0_GBPS;
break;
case MPI3_SAS_NEG_LINK_RATE_22_5:
rc = SAS_LINK_RATE_22_5_GBPS;
break;
case MPI3_SAS_NEG_LINK_RATE_PHY_DISABLED:
rc = SAS_PHY_DISABLED;
break;
case MPI3_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED:
rc = SAS_LINK_RATE_FAILED;
break;
case MPI3_SAS_NEG_LINK_RATE_PORT_SELECTOR:
rc = SAS_SATA_PORT_SELECTOR;
break;
case MPI3_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS:
rc = SAS_PHY_RESET_IN_PROGRESS;
break;
case MPI3_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE:
case MPI3_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE:
default:
rc = SAS_LINK_RATE_UNKNOWN;
break;
}
return rc;
}
/**
* mpi3mr_delete_sas_phy - Remove a single phy from port
* @mrioc: Adapter instance reference
* @mr_sas_port: Internal Port object
* @mr_sas_phy: Internal Phy object
*
* Return: None.
*/
static void mpi3mr_delete_sas_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_port *mr_sas_port,
struct mpi3mr_sas_phy *mr_sas_phy)
{
u64 sas_address = mr_sas_port->remote_identify.sas_address;
dev_info(&mr_sas_phy->phy->dev,
"remove: sas_address(0x%016llx), phy(%d)\n",
(unsigned long long) sas_address, mr_sas_phy->phy_id);
list_del(&mr_sas_phy->port_siblings);
mr_sas_port->num_phys--;
sas_port_delete_phy(mr_sas_port->port, mr_sas_phy->phy);
mr_sas_phy->phy_belongs_to_port = 0;
}
/**
* mpi3mr_add_sas_phy - Adding a single phy to a port
* @mrioc: Adapter instance reference
* @mr_sas_port: Internal Port object
* @mr_sas_phy: Internal Phy object
*
* Return: None.
*/
static void mpi3mr_add_sas_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_port *mr_sas_port,
struct mpi3mr_sas_phy *mr_sas_phy)
{
u64 sas_address = mr_sas_port->remote_identify.sas_address;
dev_info(&mr_sas_phy->phy->dev,
"add: sas_address(0x%016llx), phy(%d)\n", (unsigned long long)
sas_address, mr_sas_phy->phy_id);
list_add_tail(&mr_sas_phy->port_siblings, &mr_sas_port->phy_list);
mr_sas_port->num_phys++;
sas_port_add_phy(mr_sas_port->port, mr_sas_phy->phy);
mr_sas_phy->phy_belongs_to_port = 1;
}
/**
* mpi3mr_add_phy_to_an_existing_port - add phy to existing port
* @mrioc: Adapter instance reference
* @mr_sas_node: Internal sas node object (expander or host)
* @mr_sas_phy: Internal Phy object *
* @sas_address: SAS address of device/expander were phy needs
* to be added to
* @hba_port: HBA port entry
*
* Return: None.
*/
static void mpi3mr_add_phy_to_an_existing_port(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_node *mr_sas_node, struct mpi3mr_sas_phy *mr_sas_phy,
u64 sas_address, struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_sas_port *mr_sas_port;
struct mpi3mr_sas_phy *srch_phy;
if (mr_sas_phy->phy_belongs_to_port == 1)
return;
if (!hba_port)
return;
list_for_each_entry(mr_sas_port, &mr_sas_node->sas_port_list,
port_list) {
if (mr_sas_port->remote_identify.sas_address !=
sas_address)
continue;
if (mr_sas_port->hba_port != hba_port)
continue;
list_for_each_entry(srch_phy, &mr_sas_port->phy_list,
port_siblings) {
if (srch_phy == mr_sas_phy)
return;
}
mpi3mr_add_sas_phy(mrioc, mr_sas_port, mr_sas_phy);
return;
}
}
/**
* mpi3mr_delete_sas_port - helper function to removing a port
* @mrioc: Adapter instance reference
* @mr_sas_port: Internal Port object
*
* Return: None.
*/
static void mpi3mr_delete_sas_port(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_port *mr_sas_port)
{
u64 sas_address = mr_sas_port->remote_identify.sas_address;
struct mpi3mr_hba_port *hba_port = mr_sas_port->hba_port;
enum sas_device_type device_type =
mr_sas_port->remote_identify.device_type;
dev_info(&mr_sas_port->port->dev,
"remove: sas_address(0x%016llx)\n",
(unsigned long long) sas_address);
if (device_type == SAS_END_DEVICE)
mpi3mr_remove_device_by_sas_address(mrioc, sas_address,
hba_port);
else if (device_type == SAS_EDGE_EXPANDER_DEVICE ||
device_type == SAS_FANOUT_EXPANDER_DEVICE)
mpi3mr_expander_remove(mrioc, sas_address, hba_port);
}
/**
* mpi3mr_del_phy_from_an_existing_port - del phy from a port
* @mrioc: Adapter instance reference
* @mr_sas_node: Internal sas node object (expander or host)
* @mr_sas_phy: Internal Phy object
*
* Return: None.
*/
static void mpi3mr_del_phy_from_an_existing_port(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_node *mr_sas_node, struct mpi3mr_sas_phy *mr_sas_phy)
{
struct mpi3mr_sas_port *mr_sas_port, *next;
struct mpi3mr_sas_phy *srch_phy;
if (mr_sas_phy->phy_belongs_to_port == 0)
return;
list_for_each_entry_safe(mr_sas_port, next, &mr_sas_node->sas_port_list,
port_list) {
list_for_each_entry(srch_phy, &mr_sas_port->phy_list,
port_siblings) {
if (srch_phy != mr_sas_phy)
continue;
if ((mr_sas_port->num_phys == 1) &&
!mrioc->reset_in_progress)
mpi3mr_delete_sas_port(mrioc, mr_sas_port);
else
mpi3mr_delete_sas_phy(mrioc, mr_sas_port,
mr_sas_phy);
return;
}
}
}
/**
* mpi3mr_sas_port_sanity_check - sanity check while adding port
* @mrioc: Adapter instance reference
* @mr_sas_node: Internal sas node object (expander or host)
* @sas_address: SAS address of device/expander
* @hba_port: HBA port entry
*
* Verifies whether the Phys attached to a device with the given
* SAS address already belongs to an existing sas port if so
* will remove those phys from the sas port
*
* Return: None.
*/
static void mpi3mr_sas_port_sanity_check(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_node *mr_sas_node, u64 sas_address,
struct mpi3mr_hba_port *hba_port)
{
int i;
for (i = 0; i < mr_sas_node->num_phys; i++) {
if ((mr_sas_node->phy[i].remote_identify.sas_address !=
sas_address) || (mr_sas_node->phy[i].hba_port != hba_port))
continue;
if (mr_sas_node->phy[i].phy_belongs_to_port == 1)
mpi3mr_del_phy_from_an_existing_port(mrioc,
mr_sas_node, &mr_sas_node->phy[i]);
}
}
/**
* mpi3mr_set_identify - set identify for phys and end devices
* @mrioc: Adapter instance reference
* @handle: Firmware device handle
* @identify: SAS transport layer's identify info
*
* Populates sas identify info for a specific device.
*
* Return: 0 for success, non-zero for failure.
*/
static int mpi3mr_set_identify(struct mpi3mr_ioc *mrioc, u16 handle,
struct sas_identify *identify)
{
struct mpi3_device_page0 device_pg0;
struct mpi3_device0_sas_sata_format *sasinf;
u16 device_info;
u16 ioc_status;
if (mrioc->reset_in_progress) {
ioc_err(mrioc, "%s: host reset in progress!\n", __func__);
return -EFAULT;
}
if ((mpi3mr_cfg_get_dev_pg0(mrioc, &ioc_status, &device_pg0,
sizeof(device_pg0), MPI3_DEVICE_PGAD_FORM_HANDLE, handle))) {
ioc_err(mrioc, "%s: device page0 read failed\n", __func__);
return -ENXIO;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "device page read failed for handle(0x%04x), with ioc_status(0x%04x) failure at %s:%d/%s()!\n",
handle, ioc_status, __FILE__, __LINE__, __func__);
return -EIO;
}
memset(identify, 0, sizeof(struct sas_identify));
sasinf = &device_pg0.device_specific.sas_sata_format;
device_info = le16_to_cpu(sasinf->device_info);
/* sas_address */
identify->sas_address = le64_to_cpu(sasinf->sas_address);
/* phy number of the parent device this device is linked to */
identify->phy_identifier = sasinf->phy_num;
/* device_type */
switch (device_info & MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_MASK) {
case MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_NO_DEVICE:
identify->device_type = SAS_PHY_UNUSED;
break;
case MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_END_DEVICE:
identify->device_type = SAS_END_DEVICE;
break;
case MPI3_SAS_DEVICE_INFO_DEVICE_TYPE_EXPANDER:
identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
break;
}
/* initiator_port_protocols */
if (device_info & MPI3_SAS_DEVICE_INFO_SSP_INITIATOR)
identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
/* MPI3.0 doesn't have define for SATA INIT so setting both here*/
if (device_info & MPI3_SAS_DEVICE_INFO_STP_INITIATOR)
identify->initiator_port_protocols |= (SAS_PROTOCOL_STP |
SAS_PROTOCOL_SATA);
if (device_info & MPI3_SAS_DEVICE_INFO_SMP_INITIATOR)
identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
/* target_port_protocols */
if (device_info & MPI3_SAS_DEVICE_INFO_SSP_TARGET)
identify->target_port_protocols |= SAS_PROTOCOL_SSP;
/* MPI3.0 doesn't have define for STP Target so setting both here*/
if (device_info & MPI3_SAS_DEVICE_INFO_STP_SATA_TARGET)
identify->target_port_protocols |= (SAS_PROTOCOL_STP |
SAS_PROTOCOL_SATA);
if (device_info & MPI3_SAS_DEVICE_INFO_SMP_TARGET)
identify->target_port_protocols |= SAS_PROTOCOL_SMP;
return 0;
}
/**
* mpi3mr_add_host_phy - report sas_host phy to SAS transport
* @mrioc: Adapter instance reference
* @mr_sas_phy: Internal Phy object
* @phy_pg0: SAS phy page 0
* @parent_dev: Prent device class object
*
* Return: 0 for success, non-zero for failure.
*/
static int mpi3mr_add_host_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_phy *mr_sas_phy, struct mpi3_sas_phy_page0 phy_pg0,
struct device *parent_dev)
{
struct sas_phy *phy;
int phy_index = mr_sas_phy->phy_id;
INIT_LIST_HEAD(&mr_sas_phy->port_siblings);
phy = sas_phy_alloc(parent_dev, phy_index);
if (!phy) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
if ((mpi3mr_set_identify(mrioc, mr_sas_phy->handle,
&mr_sas_phy->identify))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
phy->identify = mr_sas_phy->identify;
mr_sas_phy->attached_handle = le16_to_cpu(phy_pg0.attached_dev_handle);
if (mr_sas_phy->attached_handle)
mpi3mr_set_identify(mrioc, mr_sas_phy->attached_handle,
&mr_sas_phy->remote_identify);
phy->identify.phy_identifier = mr_sas_phy->phy_id;
phy->negotiated_linkrate = mpi3mr_convert_phy_link_rate(
(phy_pg0.negotiated_link_rate &
MPI3_SAS_NEG_LINK_RATE_LOGICAL_MASK) >>
MPI3_SAS_NEG_LINK_RATE_LOGICAL_SHIFT);
phy->minimum_linkrate_hw = mpi3mr_convert_phy_link_rate(
phy_pg0.hw_link_rate & MPI3_SAS_HWRATE_MIN_RATE_MASK);
phy->maximum_linkrate_hw = mpi3mr_convert_phy_link_rate(
phy_pg0.hw_link_rate >> 4);
phy->minimum_linkrate = mpi3mr_convert_phy_link_rate(
phy_pg0.programmed_link_rate & MPI3_SAS_PRATE_MIN_RATE_MASK);
phy->maximum_linkrate = mpi3mr_convert_phy_link_rate(
phy_pg0.programmed_link_rate >> 4);
phy->hostdata = mr_sas_phy->hba_port;
if ((sas_phy_add(phy))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
dev_info(&phy->dev,
"add: handle(0x%04x), sas_address(0x%016llx)\n"
"\tattached_handle(0x%04x), sas_address(0x%016llx)\n",
mr_sas_phy->handle, (unsigned long long)
mr_sas_phy->identify.sas_address,
mr_sas_phy->attached_handle,
(unsigned long long)
mr_sas_phy->remote_identify.sas_address);
mr_sas_phy->phy = phy;
return 0;
}
/**
* mpi3mr_add_expander_phy - report expander phy to transport
* @mrioc: Adapter instance reference
* @mr_sas_phy: Internal Phy object
* @expander_pg1: SAS Expander page 1
* @parent_dev: Parent device class object
*
* Return: 0 for success, non-zero for failure.
*/
static int mpi3mr_add_expander_phy(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_phy *mr_sas_phy,
struct mpi3_sas_expander_page1 expander_pg1,
struct device *parent_dev)
{
struct sas_phy *phy;
int phy_index = mr_sas_phy->phy_id;
INIT_LIST_HEAD(&mr_sas_phy->port_siblings);
phy = sas_phy_alloc(parent_dev, phy_index);
if (!phy) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
if ((mpi3mr_set_identify(mrioc, mr_sas_phy->handle,
&mr_sas_phy->identify))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
phy->identify = mr_sas_phy->identify;
mr_sas_phy->attached_handle =
le16_to_cpu(expander_pg1.attached_dev_handle);
if (mr_sas_phy->attached_handle)
mpi3mr_set_identify(mrioc, mr_sas_phy->attached_handle,
&mr_sas_phy->remote_identify);
phy->identify.phy_identifier = mr_sas_phy->phy_id;
phy->negotiated_linkrate = mpi3mr_convert_phy_link_rate(
(expander_pg1.negotiated_link_rate &
MPI3_SAS_NEG_LINK_RATE_LOGICAL_MASK) >>
MPI3_SAS_NEG_LINK_RATE_LOGICAL_SHIFT);
phy->minimum_linkrate_hw = mpi3mr_convert_phy_link_rate(
expander_pg1.hw_link_rate & MPI3_SAS_HWRATE_MIN_RATE_MASK);
phy->maximum_linkrate_hw = mpi3mr_convert_phy_link_rate(
expander_pg1.hw_link_rate >> 4);
phy->minimum_linkrate = mpi3mr_convert_phy_link_rate(
expander_pg1.programmed_link_rate & MPI3_SAS_PRATE_MIN_RATE_MASK);
phy->maximum_linkrate = mpi3mr_convert_phy_link_rate(
expander_pg1.programmed_link_rate >> 4);
phy->hostdata = mr_sas_phy->hba_port;
if ((sas_phy_add(phy))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
dev_info(&phy->dev,
"add: handle(0x%04x), sas_address(0x%016llx)\n"
"\tattached_handle(0x%04x), sas_address(0x%016llx)\n",
mr_sas_phy->handle, (unsigned long long)
mr_sas_phy->identify.sas_address,
mr_sas_phy->attached_handle,
(unsigned long long)
mr_sas_phy->remote_identify.sas_address);
mr_sas_phy->phy = phy;
return 0;
}
/**
* mpi3mr_alloc_hba_port - alloc hba port object
* @mrioc: Adapter instance reference
* @port_id: Port number
*
* Alloc memory for hba port object.
*/
static struct mpi3mr_hba_port *
mpi3mr_alloc_hba_port(struct mpi3mr_ioc *mrioc, u16 port_id)
{
struct mpi3mr_hba_port *hba_port;
hba_port = kzalloc(sizeof(struct mpi3mr_hba_port),
GFP_KERNEL);
if (!hba_port)
return NULL;
hba_port->port_id = port_id;
ioc_info(mrioc, "hba_port entry: %p, port: %d is added to hba_port list\n",
hba_port, hba_port->port_id);
list_add_tail(&hba_port->list, &mrioc->hba_port_table_list);
return hba_port;
}
/**
* mpi3mr_get_hba_port_by_id - find hba port by id
* @mrioc: Adapter instance reference
* @port_id - Port ID to search
*
* Return: mpi3mr_hba_port reference for the matched port
*/
struct mpi3mr_hba_port *mpi3mr_get_hba_port_by_id(struct mpi3mr_ioc *mrioc,
u8 port_id)
{
struct mpi3mr_hba_port *port, *port_next;
list_for_each_entry_safe(port, port_next,
&mrioc->hba_port_table_list, list) {
if (port->port_id != port_id)
continue;
if (port->flags & MPI3MR_HBA_PORT_FLAG_DIRTY)
continue;
return port;
}
return NULL;
}
/**
* mpi3mr_update_links - refreshing SAS phy link changes
* @mrioc: Adapter instance reference
* @sas_address_parent: SAS address of parent expander or host
* @handle: Firmware device handle of attached device
* @phy_number: Phy number
* @link_rate: New link rate
* @hba_port: HBA port entry
*
* Return: None.
*/
void mpi3mr_update_links(struct mpi3mr_ioc *mrioc,
u64 sas_address_parent, u16 handle, u8 phy_number, u8 link_rate,
struct mpi3mr_hba_port *hba_port)
{
unsigned long flags;
struct mpi3mr_sas_node *mr_sas_node;
struct mpi3mr_sas_phy *mr_sas_phy;
if (mrioc->reset_in_progress)
return;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
sas_address_parent, hba_port);
if (!mr_sas_node) {
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
return;
}
mr_sas_phy = &mr_sas_node->phy[phy_number];
mr_sas_phy->attached_handle = handle;
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (handle && (link_rate >= MPI3_SAS_NEG_LINK_RATE_1_5)) {
mpi3mr_set_identify(mrioc, handle,
&mr_sas_phy->remote_identify);
mpi3mr_add_phy_to_an_existing_port(mrioc, mr_sas_node,
mr_sas_phy, mr_sas_phy->remote_identify.sas_address,
hba_port);
} else
memset(&mr_sas_phy->remote_identify, 0, sizeof(struct
sas_identify));
if (mr_sas_phy->phy)
mr_sas_phy->phy->negotiated_linkrate =
mpi3mr_convert_phy_link_rate(link_rate);
if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
dev_info(&mr_sas_phy->phy->dev,
"refresh: parent sas_address(0x%016llx),\n"
"\tlink_rate(0x%02x), phy(%d)\n"
"\tattached_handle(0x%04x), sas_address(0x%016llx)\n",
(unsigned long long)sas_address_parent,
link_rate, phy_number, handle, (unsigned long long)
mr_sas_phy->remote_identify.sas_address);
}
/**
* mpi3mr_sas_host_refresh - refreshing sas host object contents
* @mrioc: Adapter instance reference
*
* This function refreshes the controllers phy information and
* updates the SAS transport layer with updated information,
* this is executed for each device addition or device info
* change events
*
* Return: None.
*/
void mpi3mr_sas_host_refresh(struct mpi3mr_ioc *mrioc)
{
int i;
u8 link_rate;
u16 sz, port_id, attached_handle;
struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0 = NULL;
dprint_transport_info(mrioc,
"updating handles for sas_host(0x%016llx)\n",
(unsigned long long)mrioc->sas_hba.sas_address);
sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
(mrioc->sas_hba.num_phys *
sizeof(struct mpi3_sas_io_unit0_phy_data));
sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
if (!sas_io_unit_pg0)
return;
if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
mrioc->sas_hba.handle = 0;
for (i = 0; i < mrioc->sas_hba.num_phys; i++) {
if (sas_io_unit_pg0->phy_data[i].phy_flags &
(MPI3_SASIOUNIT0_PHYFLAGS_HOST_PHY |
MPI3_SASIOUNIT0_PHYFLAGS_VIRTUAL_PHY))
continue;
link_rate =
sas_io_unit_pg0->phy_data[i].negotiated_link_rate >> 4;
if (!mrioc->sas_hba.handle)
mrioc->sas_hba.handle = le16_to_cpu(
sas_io_unit_pg0->phy_data[i].controller_dev_handle);
port_id = sas_io_unit_pg0->phy_data[i].io_unit_port;
if (!(mpi3mr_get_hba_port_by_id(mrioc, port_id)))
if (!mpi3mr_alloc_hba_port(mrioc, port_id))
goto out;
mrioc->sas_hba.phy[i].handle = mrioc->sas_hba.handle;
attached_handle = le16_to_cpu(
sas_io_unit_pg0->phy_data[i].attached_dev_handle);
if (attached_handle && link_rate < MPI3_SAS_NEG_LINK_RATE_1_5)
link_rate = MPI3_SAS_NEG_LINK_RATE_1_5;
mrioc->sas_hba.phy[i].hba_port =
mpi3mr_get_hba_port_by_id(mrioc, port_id);
mpi3mr_update_links(mrioc, mrioc->sas_hba.sas_address,
attached_handle, i, link_rate,
mrioc->sas_hba.phy[i].hba_port);
}
out:
kfree(sas_io_unit_pg0);
}
/**
* mpi3mr_sas_host_add - create sas host object
* @mrioc: Adapter instance reference
*
* This function creates the controllers phy information and
* updates the SAS transport layer with updated information,
* this is executed for first device addition or device info
* change event.
*
* Return: None.
*/
void mpi3mr_sas_host_add(struct mpi3mr_ioc *mrioc)
{
int i;
u16 sz, num_phys = 1, port_id, ioc_status;
struct mpi3_sas_io_unit_page0 *sas_io_unit_pg0 = NULL;
struct mpi3_sas_phy_page0 phy_pg0;
struct mpi3_device_page0 dev_pg0;
struct mpi3_enclosure_page0 encl_pg0;
struct mpi3_device0_sas_sata_format *sasinf;
sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
(num_phys * sizeof(struct mpi3_sas_io_unit0_phy_data));
sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
if (!sas_io_unit_pg0)
return;
if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
num_phys = sas_io_unit_pg0->num_phys;
kfree(sas_io_unit_pg0);
mrioc->sas_hba.host_node = 1;
INIT_LIST_HEAD(&mrioc->sas_hba.sas_port_list);
mrioc->sas_hba.parent_dev = &mrioc->shost->shost_gendev;
mrioc->sas_hba.phy = kcalloc(num_phys,
sizeof(struct mpi3mr_sas_phy), GFP_KERNEL);
if (!mrioc->sas_hba.phy)
return;
mrioc->sas_hba.num_phys = num_phys;
sz = offsetof(struct mpi3_sas_io_unit_page0, phy_data) +
(num_phys * sizeof(struct mpi3_sas_io_unit0_phy_data));
sas_io_unit_pg0 = kzalloc(sz, GFP_KERNEL);
if (!sas_io_unit_pg0)
return;
if (mpi3mr_cfg_get_sas_io_unit_pg0(mrioc, sas_io_unit_pg0, sz)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
mrioc->sas_hba.handle = 0;
for (i = 0; i < mrioc->sas_hba.num_phys; i++) {
if (sas_io_unit_pg0->phy_data[i].phy_flags &
(MPI3_SASIOUNIT0_PHYFLAGS_HOST_PHY |
MPI3_SASIOUNIT0_PHYFLAGS_VIRTUAL_PHY))
continue;
if (mpi3mr_cfg_get_sas_phy_pg0(mrioc, &ioc_status, &phy_pg0,
sizeof(struct mpi3_sas_phy_page0),
MPI3_SAS_PHY_PGAD_FORM_PHY_NUMBER, i)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
if (!mrioc->sas_hba.handle)
mrioc->sas_hba.handle = le16_to_cpu(
sas_io_unit_pg0->phy_data[i].controller_dev_handle);
port_id = sas_io_unit_pg0->phy_data[i].io_unit_port;
if (!(mpi3mr_get_hba_port_by_id(mrioc, port_id)))
if (!mpi3mr_alloc_hba_port(mrioc, port_id))
goto out;
mrioc->sas_hba.phy[i].handle = mrioc->sas_hba.handle;
mrioc->sas_hba.phy[i].phy_id = i;
mrioc->sas_hba.phy[i].hba_port =
mpi3mr_get_hba_port_by_id(mrioc, port_id);
mpi3mr_add_host_phy(mrioc, &mrioc->sas_hba.phy[i],
phy_pg0, mrioc->sas_hba.parent_dev);
}
if ((mpi3mr_cfg_get_dev_pg0(mrioc, &ioc_status, &dev_pg0,
sizeof(dev_pg0), MPI3_DEVICE_PGAD_FORM_HANDLE,
mrioc->sas_hba.handle))) {
ioc_err(mrioc, "%s: device page0 read failed\n", __func__);
goto out;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "device page read failed for handle(0x%04x), with ioc_status(0x%04x) failure at %s:%d/%s()!\n",
mrioc->sas_hba.handle, ioc_status, __FILE__, __LINE__,
__func__);
goto out;
}
mrioc->sas_hba.enclosure_handle =
le16_to_cpu(dev_pg0.enclosure_handle);
sasinf = &dev_pg0.device_specific.sas_sata_format;
mrioc->sas_hba.sas_address =
le64_to_cpu(sasinf->sas_address);
ioc_info(mrioc,
"host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
mrioc->sas_hba.handle,
(unsigned long long) mrioc->sas_hba.sas_address,
mrioc->sas_hba.num_phys);
if (mrioc->sas_hba.enclosure_handle) {
if (!(mpi3mr_cfg_get_enclosure_pg0(mrioc, &ioc_status,
&encl_pg0, sizeof(dev_pg0),
MPI3_ENCLOS_PGAD_FORM_HANDLE,
mrioc->sas_hba.enclosure_handle)) &&
(ioc_status == MPI3_IOCSTATUS_SUCCESS))
mrioc->sas_hba.enclosure_logical_id =
le64_to_cpu(encl_pg0.enclosure_logical_id);
}
out:
kfree(sas_io_unit_pg0);
}
/**
* mpi3mr_sas_port_add - Expose the SAS device to the SAS TL
* @mrioc: Adapter instance reference
* @handle: Firmware device handle of the attached device
* @sas_address_parent: sas address of parent expander or host
* @hba_port: HBA port entry
*
* This function creates a new sas port object for the given end
* device matching sas address and hba_port and adds it to the
* sas_node's sas_port_list and expose the attached sas device
* to the SAS transport layer through sas_rphy_add.
*
* Returns a valid mpi3mr_sas_port reference or NULL.
*/
static struct mpi3mr_sas_port *mpi3mr_sas_port_add(struct mpi3mr_ioc *mrioc,
u16 handle, u64 sas_address_parent, struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_sas_phy *mr_sas_phy, *next;
struct mpi3mr_sas_port *mr_sas_port;
unsigned long flags;
struct mpi3mr_sas_node *mr_sas_node;
struct sas_rphy *rphy;
struct mpi3mr_tgt_dev *tgtdev = NULL;
int i;
struct sas_port *port;
if (!hba_port) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return NULL;
}
mr_sas_port = kzalloc(sizeof(struct mpi3mr_sas_port), GFP_KERNEL);
if (!mr_sas_port)
return NULL;
INIT_LIST_HEAD(&mr_sas_port->port_list);
INIT_LIST_HEAD(&mr_sas_port->phy_list);
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
sas_address_parent, hba_port);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (!mr_sas_node) {
ioc_err(mrioc, "%s:could not find parent sas_address(0x%016llx)!\n",
__func__, (unsigned long long)sas_address_parent);
goto out_fail;
}
if ((mpi3mr_set_identify(mrioc, handle,
&mr_sas_port->remote_identify))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
if (mr_sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
mr_sas_port->hba_port = hba_port;
mpi3mr_sas_port_sanity_check(mrioc, mr_sas_node,
mr_sas_port->remote_identify.sas_address, hba_port);
for (i = 0; i < mr_sas_node->num_phys; i++) {
if ((mr_sas_node->phy[i].remote_identify.sas_address !=
mr_sas_port->remote_identify.sas_address) ||
(mr_sas_node->phy[i].hba_port != hba_port))
continue;
list_add_tail(&mr_sas_node->phy[i].port_siblings,
&mr_sas_port->phy_list);
mr_sas_port->num_phys++;
}
if (!mr_sas_port->num_phys) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
tgtdev = mpi3mr_get_tgtdev_by_addr(mrioc,
mr_sas_port->remote_identify.sas_address,
mr_sas_port->hba_port);
if (!tgtdev) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
tgtdev->dev_spec.sas_sata_inf.pend_sas_rphy_add = 1;
}
if (!mr_sas_node->parent_dev) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
port = sas_port_alloc_num(mr_sas_node->parent_dev);
if ((sas_port_add(port))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out_fail;
}
list_for_each_entry(mr_sas_phy, &mr_sas_port->phy_list,
port_siblings) {
if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
dev_info(&port->dev,
"add: handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
handle, (unsigned long long)
mr_sas_port->remote_identify.sas_address,
mr_sas_phy->phy_id);
sas_port_add_phy(port, mr_sas_phy->phy);
mr_sas_phy->phy_belongs_to_port = 1;
mr_sas_phy->hba_port = hba_port;
}
mr_sas_port->port = port;
if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
rphy = sas_end_device_alloc(port);
tgtdev->dev_spec.sas_sata_inf.rphy = rphy;
} else {
rphy = sas_expander_alloc(port,
mr_sas_port->remote_identify.device_type);
}
rphy->identify = mr_sas_port->remote_identify;
if (mrioc->current_event)
mrioc->current_event->pending_at_sml = 1;
if ((sas_rphy_add(rphy))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
}
if (mr_sas_port->remote_identify.device_type == SAS_END_DEVICE) {
tgtdev->dev_spec.sas_sata_inf.pend_sas_rphy_add = 0;
tgtdev->dev_spec.sas_sata_inf.sas_transport_attached = 1;
mpi3mr_tgtdev_put(tgtdev);
}
dev_info(&rphy->dev,
"%s: added: handle(0x%04x), sas_address(0x%016llx)\n",
__func__, handle, (unsigned long long)
mr_sas_port->remote_identify.sas_address);
mr_sas_port->rphy = rphy;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
list_add_tail(&mr_sas_port->port_list, &mr_sas_node->sas_port_list);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (mrioc->current_event) {
mrioc->current_event->pending_at_sml = 0;
if (mrioc->current_event->discard)
mpi3mr_print_device_event_notice(mrioc, true);
}
/* fill in report manufacture */
if (mr_sas_port->remote_identify.device_type ==
SAS_EDGE_EXPANDER_DEVICE ||
mr_sas_port->remote_identify.device_type ==
SAS_FANOUT_EXPANDER_DEVICE)
mpi3mr_report_manufacture(mrioc,
mr_sas_port->remote_identify.sas_address,
rphy_to_expander_device(rphy), hba_port->port_id);
return mr_sas_port;
out_fail:
list_for_each_entry_safe(mr_sas_phy, next, &mr_sas_port->phy_list,
port_siblings)
list_del(&mr_sas_phy->port_siblings);
kfree(mr_sas_port);
return NULL;
}
/**
* mpi3mr_sas_port_remove - remove port from the list
* @mrioc: Adapter instance reference
* @sas_address: SAS address of attached device
* @sas_address_parent: SAS address of parent expander or host
* @hba_port: HBA port entry
*
* Removing object and freeing associated memory from the
* sas_port_list.
*
* Return: None
*/
static void mpi3mr_sas_port_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
u64 sas_address_parent, struct mpi3mr_hba_port *hba_port)
{
int i;
unsigned long flags;
struct mpi3mr_sas_port *mr_sas_port, *next;
struct mpi3mr_sas_node *mr_sas_node;
u8 found = 0;
struct mpi3mr_sas_phy *mr_sas_phy, *next_phy;
struct mpi3mr_hba_port *srch_port, *hba_port_next = NULL;
if (!hba_port)
return;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
mr_sas_node = __mpi3mr_sas_node_find_by_sas_address(mrioc,
sas_address_parent, hba_port);
if (!mr_sas_node) {
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
return;
}
list_for_each_entry_safe(mr_sas_port, next, &mr_sas_node->sas_port_list,
port_list) {
if (mr_sas_port->remote_identify.sas_address != sas_address)
continue;
if (mr_sas_port->hba_port != hba_port)
continue;
found = 1;
list_del(&mr_sas_port->port_list);
goto out;
}
out:
if (!found) {
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
return;
}
if (mr_sas_node->host_node) {
list_for_each_entry_safe(srch_port, hba_port_next,
&mrioc->hba_port_table_list, list) {
if (srch_port != hba_port)
continue;
ioc_info(mrioc,
"removing hba_port entry: %p port: %d from hba_port list\n",
srch_port, srch_port->port_id);
list_del(&hba_port->list);
kfree(hba_port);
break;
}
}
for (i = 0; i < mr_sas_node->num_phys; i++) {
if (mr_sas_node->phy[i].remote_identify.sas_address ==
sas_address)
memset(&mr_sas_node->phy[i].remote_identify, 0,
sizeof(struct sas_identify));
}
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (mrioc->current_event)
mrioc->current_event->pending_at_sml = 1;
list_for_each_entry_safe(mr_sas_phy, next_phy,
&mr_sas_port->phy_list, port_siblings) {
if ((mrioc->logging_level & MPI3_DEBUG_TRANSPORT_INFO))
dev_info(&mr_sas_port->port->dev,
"remove: sas_address(0x%016llx), phy(%d)\n",
(unsigned long long)
mr_sas_port->remote_identify.sas_address,
mr_sas_phy->phy_id);
mr_sas_phy->phy_belongs_to_port = 0;
if (!mrioc->stop_drv_processing)
sas_port_delete_phy(mr_sas_port->port,
mr_sas_phy->phy);
list_del(&mr_sas_phy->port_siblings);
}
if (!mrioc->stop_drv_processing)
sas_port_delete(mr_sas_port->port);
ioc_info(mrioc, "%s: removed sas_address(0x%016llx)\n",
__func__, (unsigned long long)sas_address);
if (mrioc->current_event) {
mrioc->current_event->pending_at_sml = 0;
if (mrioc->current_event->discard)
mpi3mr_print_device_event_notice(mrioc, false);
}
kfree(mr_sas_port);
}
/**
* mpi3mr_expander_node_add - insert an expander to the list.
* @mrioc: Adapter instance reference
* @sas_expander: Expander sas node
* Context: This function will acquire sas_node_lock.
*
* Adding new object to the ioc->sas_expander_list.
*
* Return: None.
*/
static void mpi3mr_expander_node_add(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_node *sas_expander)
{
unsigned long flags;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
list_add_tail(&sas_expander->list, &mrioc->sas_expander_list);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
}
/**
* mpi3mr_expander_add - Create expander object
* @mrioc: Adapter instance reference
* @handle: Expander firmware device handle
*
* This function creating expander object, stored in
* sas_expander_list and expose it to the SAS transport
* layer.
*
* Return: 0 for success, non-zero for failure.
*/
int mpi3mr_expander_add(struct mpi3mr_ioc *mrioc, u16 handle)
{
struct mpi3mr_sas_node *sas_expander;
struct mpi3mr_enclosure_node *enclosure_dev;
struct mpi3_sas_expander_page0 expander_pg0;
struct mpi3_sas_expander_page1 expander_pg1;
u16 ioc_status, parent_handle, temp_handle;
u64 sas_address, sas_address_parent = 0;
int i;
unsigned long flags;
u8 port_id, link_rate;
struct mpi3mr_sas_port *mr_sas_port = NULL;
struct mpi3mr_hba_port *hba_port;
u32 phynum_handle;
int rc = 0;
if (!handle)
return -1;
if (mrioc->reset_in_progress)
return -1;
if ((mpi3mr_cfg_get_sas_exp_pg0(mrioc, &ioc_status, &expander_pg0,
sizeof(expander_pg0), MPI3_SAS_EXPAND_PGAD_FORM_HANDLE, handle))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
parent_handle = le16_to_cpu(expander_pg0.parent_dev_handle);
if (mpi3mr_get_sas_address(mrioc, parent_handle, &sas_address_parent)
!= 0) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
port_id = expander_pg0.io_unit_port;
hba_port = mpi3mr_get_hba_port_by_id(mrioc, port_id);
if (!hba_port) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
if (sas_address_parent != mrioc->sas_hba.sas_address) {
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
sas_expander =
mpi3mr_expander_find_by_sas_address(mrioc,
sas_address_parent, hba_port);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (!sas_expander) {
rc = mpi3mr_expander_add(mrioc, parent_handle);
if (rc != 0)
return rc;
} else {
/*
* When there is a parent expander present, update it's
* phys where child expander is connected with the link
* speed, attached dev handle and sas address.
*/
for (i = 0 ; i < sas_expander->num_phys ; i++) {
phynum_handle =
(i << MPI3_SAS_EXPAND_PGAD_PHYNUM_SHIFT) |
parent_handle;
if (mpi3mr_cfg_get_sas_exp_pg1(mrioc,
&ioc_status, &expander_pg1,
sizeof(expander_pg1),
MPI3_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM,
phynum_handle)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
return rc;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
return rc;
}
temp_handle = le16_to_cpu(
expander_pg1.attached_dev_handle);
if (temp_handle != handle)
continue;
link_rate = (expander_pg1.negotiated_link_rate &
MPI3_SAS_NEG_LINK_RATE_LOGICAL_MASK) >>
MPI3_SAS_NEG_LINK_RATE_LOGICAL_SHIFT;
mpi3mr_update_links(mrioc, sas_address_parent,
handle, i, link_rate, hba_port);
}
}
}
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
sas_address = le64_to_cpu(expander_pg0.sas_address);
sas_expander = mpi3mr_expander_find_by_sas_address(mrioc,
sas_address, hba_port);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (sas_expander)
return 0;
sas_expander = kzalloc(sizeof(struct mpi3mr_sas_node),
GFP_KERNEL);
if (!sas_expander)
return -1;
sas_expander->handle = handle;
sas_expander->num_phys = expander_pg0.num_phys;
sas_expander->sas_address_parent = sas_address_parent;
sas_expander->sas_address = sas_address;
sas_expander->hba_port = hba_port;
ioc_info(mrioc,
"expander_add: handle(0x%04x), parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
handle, parent_handle, (unsigned long long)
sas_expander->sas_address, sas_expander->num_phys);
if (!sas_expander->num_phys) {
rc = -1;
goto out_fail;
}
sas_expander->phy = kcalloc(sas_expander->num_phys,
sizeof(struct mpi3mr_sas_phy), GFP_KERNEL);
if (!sas_expander->phy) {
rc = -1;
goto out_fail;
}
INIT_LIST_HEAD(&sas_expander->sas_port_list);
mr_sas_port = mpi3mr_sas_port_add(mrioc, handle, sas_address_parent,
sas_expander->hba_port);
if (!mr_sas_port) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
goto out_fail;
}
sas_expander->parent_dev = &mr_sas_port->rphy->dev;
sas_expander->rphy = mr_sas_port->rphy;
for (i = 0 ; i < sas_expander->num_phys ; i++) {
phynum_handle = (i << MPI3_SAS_EXPAND_PGAD_PHYNUM_SHIFT) |
handle;
if (mpi3mr_cfg_get_sas_exp_pg1(mrioc, &ioc_status,
&expander_pg1, sizeof(expander_pg1),
MPI3_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM,
phynum_handle)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
goto out_fail;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
goto out_fail;
}
sas_expander->phy[i].handle = handle;
sas_expander->phy[i].phy_id = i;
sas_expander->phy[i].hba_port = hba_port;
if ((mpi3mr_add_expander_phy(mrioc, &sas_expander->phy[i],
expander_pg1, sas_expander->parent_dev))) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
rc = -1;
goto out_fail;
}
}
if (sas_expander->enclosure_handle) {
enclosure_dev =
mpi3mr_enclosure_find_by_handle(mrioc,
sas_expander->enclosure_handle);
if (enclosure_dev)
sas_expander->enclosure_logical_id = le64_to_cpu(
enclosure_dev->pg0.enclosure_logical_id);
}
mpi3mr_expander_node_add(mrioc, sas_expander);
return 0;
out_fail:
if (mr_sas_port)
mpi3mr_sas_port_remove(mrioc,
sas_expander->sas_address,
sas_address_parent, sas_expander->hba_port);
kfree(sas_expander->phy);
kfree(sas_expander);
return rc;
}
/**
* mpi3mr_expander_node_remove - recursive removal of expander.
* @mrioc: Adapter instance reference
* @sas_expander: Expander device object
*
* Removes expander object and freeing associated memory from
* the sas_expander_list and removes the same from SAS TL, if
* one of the attached device is an expander then it recursively
* removes the expander device too.
*
* Return nothing.
*/
static void mpi3mr_expander_node_remove(struct mpi3mr_ioc *mrioc,
struct mpi3mr_sas_node *sas_expander)
{
struct mpi3mr_sas_port *mr_sas_port, *next;
unsigned long flags;
u8 port_id;
/* remove sibling ports attached to this expander */
list_for_each_entry_safe(mr_sas_port, next,
&sas_expander->sas_port_list, port_list) {
if (mrioc->reset_in_progress)
return;
if (mr_sas_port->remote_identify.device_type ==
SAS_END_DEVICE)
mpi3mr_remove_device_by_sas_address(mrioc,
mr_sas_port->remote_identify.sas_address,
mr_sas_port->hba_port);
else if (mr_sas_port->remote_identify.device_type ==
SAS_EDGE_EXPANDER_DEVICE ||
mr_sas_port->remote_identify.device_type ==
SAS_FANOUT_EXPANDER_DEVICE)
mpi3mr_expander_remove(mrioc,
mr_sas_port->remote_identify.sas_address,
mr_sas_port->hba_port);
}
port_id = sas_expander->hba_port->port_id;
mpi3mr_sas_port_remove(mrioc, sas_expander->sas_address,
sas_expander->sas_address_parent, sas_expander->hba_port);
ioc_info(mrioc, "expander_remove: handle(0x%04x), sas_addr(0x%016llx), port:%d\n",
sas_expander->handle, (unsigned long long)
sas_expander->sas_address, port_id);
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
list_del(&sas_expander->list);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
kfree(sas_expander->phy);
kfree(sas_expander);
}
/**
* mpi3mr_expander_remove - Remove expander object
* @mrioc: Adapter instance reference
* @sas_address: Remove expander sas_address
* @hba_port: HBA port reference
*
* This function remove expander object, stored in
* mrioc->sas_expander_list and removes it from the SAS TL by
* calling mpi3mr_expander_node_remove().
*
* Return: None
*/
void mpi3mr_expander_remove(struct mpi3mr_ioc *mrioc, u64 sas_address,
struct mpi3mr_hba_port *hba_port)
{
struct mpi3mr_sas_node *sas_expander;
unsigned long flags;
if (mrioc->reset_in_progress)
return;
if (!hba_port)
return;
spin_lock_irqsave(&mrioc->sas_node_lock, flags);
sas_expander = mpi3mr_expander_find_by_sas_address(mrioc, sas_address,
hba_port);
spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
if (sas_expander)
mpi3mr_expander_node_remove(mrioc, sas_expander);
}
/**
* mpi3mr_get_sas_negotiated_logical_linkrate - get linkrate
* @mrioc: Adapter instance reference
* @tgtdev: Target device
*
* This function identifies whether the target device is
* attached directly or through expander and issues sas phy
* page0 or expander phy page1 and gets the link rate, if there
* is any failure in reading the pages then this returns link
* rate of 1.5.
*
* Return: logical link rate.
*/
static u8 mpi3mr_get_sas_negotiated_logical_linkrate(struct mpi3mr_ioc *mrioc,
struct mpi3mr_tgt_dev *tgtdev)
{
u8 link_rate = MPI3_SAS_NEG_LINK_RATE_1_5, phy_number;
struct mpi3_sas_expander_page1 expander_pg1;
struct mpi3_sas_phy_page0 phy_pg0;
u32 phynum_handle;
u16 ioc_status;
phy_number = tgtdev->dev_spec.sas_sata_inf.phy_id;
if (!(tgtdev->devpg0_flag & MPI3_DEVICE0_FLAGS_ATT_METHOD_DIR_ATTACHED)) {
phynum_handle = ((phy_number<<MPI3_SAS_EXPAND_PGAD_PHYNUM_SHIFT)
| tgtdev->parent_handle);
if (mpi3mr_cfg_get_sas_exp_pg1(mrioc, &ioc_status,
&expander_pg1, sizeof(expander_pg1),
MPI3_SAS_EXPAND_PGAD_FORM_HANDLE_PHY_NUM,
phynum_handle)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
link_rate = (expander_pg1.negotiated_link_rate &
MPI3_SAS_NEG_LINK_RATE_LOGICAL_MASK) >>
MPI3_SAS_NEG_LINK_RATE_LOGICAL_SHIFT;
goto out;
}
if (mpi3mr_cfg_get_sas_phy_pg0(mrioc, &ioc_status, &phy_pg0,
sizeof(struct mpi3_sas_phy_page0),
MPI3_SAS_PHY_PGAD_FORM_PHY_NUMBER, phy_number)) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
if (ioc_status != MPI3_IOCSTATUS_SUCCESS) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
goto out;
}
link_rate = (phy_pg0.negotiated_link_rate &
MPI3_SAS_NEG_LINK_RATE_LOGICAL_MASK) >>
MPI3_SAS_NEG_LINK_RATE_LOGICAL_SHIFT;
out:
return link_rate;
}
/**
* mpi3mr_report_tgtdev_to_sas_transport - expose dev to SAS TL
* @mrioc: Adapter instance reference
* @tgtdev: Target device
*
* This function exposes the target device after
* preparing host_phy, setting up link rate etc.
*
* Return: 0 on success, non-zero for failure.
*/
int mpi3mr_report_tgtdev_to_sas_transport(struct mpi3mr_ioc *mrioc,
struct mpi3mr_tgt_dev *tgtdev)
{
int retval = 0;
u8 link_rate, parent_phy_number;
u64 sas_address_parent, sas_address;
struct mpi3mr_hba_port *hba_port;
u8 port_id;
if ((tgtdev->dev_type != MPI3_DEVICE_DEVFORM_SAS_SATA) ||
!mrioc->sas_transport_enabled)
return -1;
sas_address = tgtdev->dev_spec.sas_sata_inf.sas_address;
if (!mrioc->sas_hba.num_phys)
mpi3mr_sas_host_add(mrioc);
else
mpi3mr_sas_host_refresh(mrioc);
if (mpi3mr_get_sas_address(mrioc, tgtdev->parent_handle,
&sas_address_parent) != 0) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
tgtdev->dev_spec.sas_sata_inf.sas_address_parent = sas_address_parent;
parent_phy_number = tgtdev->dev_spec.sas_sata_inf.phy_id;
port_id = tgtdev->io_unit_port;
hba_port = mpi3mr_get_hba_port_by_id(mrioc, port_id);
if (!hba_port) {
ioc_err(mrioc, "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -1;
}
tgtdev->dev_spec.sas_sata_inf.hba_port = hba_port;
link_rate = mpi3mr_get_sas_negotiated_logical_linkrate(mrioc, tgtdev);
mpi3mr_update_links(mrioc, sas_address_parent, tgtdev->dev_handle,
parent_phy_number, link_rate, hba_port);
tgtdev->host_exposed = 1;
if (!mpi3mr_sas_port_add(mrioc, tgtdev->dev_handle,
sas_address_parent, hba_port)) {
tgtdev->host_exposed = 0;
retval = -1;
} else if ((!tgtdev->starget)) {
if (!mrioc->is_driver_loading)
mpi3mr_sas_port_remove(mrioc, sas_address,
sas_address_parent, hba_port);
tgtdev->host_exposed = 0;
retval = -1;
}
return retval;
}
/**
* mpi3mr_remove_tgtdev_from_sas_transport - remove from SAS TL
* @mrioc: Adapter instance reference
* @tgtdev: Target device
*
* This function removes the target device
*
* Return: None.
*/
void mpi3mr_remove_tgtdev_from_sas_transport(struct mpi3mr_ioc *mrioc,
struct mpi3mr_tgt_dev *tgtdev)
{
u64 sas_address_parent, sas_address;
struct mpi3mr_hba_port *hba_port;
if ((tgtdev->dev_type != MPI3_DEVICE_DEVFORM_SAS_SATA) ||
!mrioc->sas_transport_enabled)
return;
hba_port = tgtdev->dev_spec.sas_sata_inf.hba_port;
sas_address = tgtdev->dev_spec.sas_sata_inf.sas_address;
sas_address_parent = tgtdev->dev_spec.sas_sata_inf.sas_address_parent;
mpi3mr_sas_port_remove(mrioc, sas_address, sas_address_parent,
hba_port);
tgtdev->host_exposed = 0;
}
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