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path: root/drivers/scsi/mvsas/mv_init.c
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Diffstat (limited to 'drivers/scsi/mvsas/mv_init.c')
-rw-r--r--drivers/scsi/mvsas/mv_init.c131
1 files changed, 45 insertions, 86 deletions
diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c
index 030d911ee374..7f1ad305eee6 100644
--- a/drivers/scsi/mvsas/mv_init.c
+++ b/drivers/scsi/mvsas/mv_init.c
@@ -1,26 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Marvell 88SE64xx/88SE94xx pci init
*
* Copyright 2007 Red Hat, Inc.
* Copyright 2008 Marvell. <kewei@marvell.com>
* Copyright 2009-2011 Marvell. <yuxiangl@marvell.com>
- *
- * This file is licensed under GPLv2.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; version 2 of the
- * License.
- *
- * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
*/
@@ -41,29 +25,19 @@ static const struct mvs_chip_info mvs_chips[] = {
[chip_1320] = { 2, 4, 0x800, 17, 64, 8, 9, &mvs_94xx_dispatch, },
};
-struct device_attribute *mvst_host_attrs[];
+static const struct attribute_group *mvst_host_groups[];
+static const struct attribute_group *mvst_sdev_groups[];
#define SOC_SAS_NUM 2
-static struct scsi_host_template mvs_sht = {
- .module = THIS_MODULE,
- .name = DRV_NAME,
- .queuecommand = sas_queuecommand,
- .target_alloc = sas_target_alloc,
- .slave_configure = sas_slave_configure,
+static const struct scsi_host_template mvs_sht = {
+ LIBSAS_SHT_BASE
.scan_finished = mvs_scan_finished,
.scan_start = mvs_scan_start,
- .change_queue_depth = sas_change_queue_depth,
- .bios_param = sas_bios_param,
.can_queue = 1,
- .this_id = -1,
.sg_tablesize = SG_ALL,
- .max_sectors = SCSI_DEFAULT_MAX_SECTORS,
- .eh_device_reset_handler = sas_eh_device_reset_handler,
- .eh_target_reset_handler = sas_eh_target_reset_handler,
- .target_destroy = sas_target_destroy,
- .ioctl = sas_ioctl,
- .shost_attrs = mvst_host_attrs,
+ .shost_groups = mvst_host_groups,
+ .sdev_groups = mvst_sdev_groups,
.track_queue_depth = 1,
};
@@ -74,9 +48,8 @@ static struct sas_domain_function_template mvs_transport_ops = {
.lldd_control_phy = mvs_phy_control,
.lldd_abort_task = mvs_abort_task,
- .lldd_abort_task_set = mvs_abort_task_set,
- .lldd_clear_aca = mvs_clear_aca,
- .lldd_clear_task_set = mvs_clear_task_set,
+ .lldd_abort_task_set = sas_abort_task_set,
+ .lldd_clear_task_set = sas_clear_task_set,
.lldd_I_T_nexus_reset = mvs_I_T_nexus_reset,
.lldd_lu_reset = mvs_lu_reset,
.lldd_query_task = mvs_query_task,
@@ -96,10 +69,8 @@ static void mvs_phy_init(struct mvs_info *mvi, int phy_id)
phy->port = NULL;
timer_setup(&phy->timer, NULL, 0);
sas_phy->enabled = (phy_id < mvi->chip->n_phy) ? 1 : 0;
- sas_phy->class = SAS;
sas_phy->iproto = SAS_PROTOCOL_ALL;
sas_phy->tproto = 0;
- sas_phy->type = PHY_TYPE_PHYSICAL;
sas_phy->role = PHY_ROLE_INITIATOR;
sas_phy->oob_mode = OOB_NOT_CONNECTED;
sas_phy->linkrate = SAS_LINK_RATE_UNKNOWN;
@@ -153,8 +124,8 @@ static void mvs_free(struct mvs_info *mvi)
if (mvi->shost)
scsi_host_put(mvi->shost);
list_for_each_entry(mwq, &mvi->wq_list, entry)
- cancel_delayed_work(&mwq->work_q);
- kfree(mvi->tags);
+ cancel_delayed_work_sync(&mwq->work_q);
+ kfree(mvi->rsvd_tags);
kfree(mvi);
}
@@ -189,15 +160,16 @@ out:
static irqreturn_t mvs_interrupt(int irq, void *opaque)
{
- u32 core_nr;
u32 stat;
struct mvs_info *mvi;
struct sas_ha_struct *sha = opaque;
#ifndef CONFIG_SCSI_MVSAS_TASKLET
u32 i;
-#endif
+ u32 core_nr;
core_nr = ((struct mvs_prv_info *)sha->lldd_ha)->n_host;
+#endif
+
mvi = ((struct mvs_prv_info *)sha->lldd_ha)->mvi[0];
if (unlikely(!mvi))
@@ -257,19 +229,16 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
&mvi->tx_dma, GFP_KERNEL);
if (!mvi->tx)
goto err_out;
- memset(mvi->tx, 0, sizeof(*mvi->tx) * MVS_CHIP_SLOT_SZ);
mvi->rx_fis = dma_alloc_coherent(mvi->dev, MVS_RX_FISL_SZ,
&mvi->rx_fis_dma, GFP_KERNEL);
if (!mvi->rx_fis)
goto err_out;
- memset(mvi->rx_fis, 0, MVS_RX_FISL_SZ);
mvi->rx = dma_alloc_coherent(mvi->dev,
sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1),
&mvi->rx_dma, GFP_KERNEL);
if (!mvi->rx)
goto err_out;
- memset(mvi->rx, 0, sizeof(*mvi->rx) * (MVS_RX_RING_SZ + 1));
mvi->rx[0] = cpu_to_le32(0xfff);
mvi->rx_cons = 0xfff;
@@ -278,7 +247,6 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
&mvi->slot_dma, GFP_KERNEL);
if (!mvi->slot)
goto err_out;
- memset(mvi->slot, 0, sizeof(*mvi->slot) * slot_nr);
mvi->bulk_buffer = dma_alloc_coherent(mvi->dev,
TRASH_BUCKET_SIZE,
@@ -299,10 +267,7 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name);
goto err_out;
}
- mvi->tags_num = slot_nr;
- /* Initialize tags */
- mvs_tag_init(mvi);
return 0;
err_out:
return 1;
@@ -311,7 +276,7 @@ err_out:
int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex)
{
- unsigned long res_start, res_len, res_flag, res_flag_ex = 0;
+ unsigned long res_start, res_len, res_flag_ex = 0;
struct pci_dev *pdev = mvi->pdev;
if (bar_ex != -1) {
/*
@@ -339,7 +304,6 @@ int mvs_ioremap(struct mvs_info *mvi, int bar, int bar_ex)
goto err_out;
}
- res_flag = pci_resource_flags(pdev, bar);
mvi->regs = ioremap(res_start, res_len);
if (!mvi->regs) {
@@ -385,8 +349,8 @@ static struct mvs_info *mvs_pci_alloc(struct pci_dev *pdev,
mvi->sas = sha;
mvi->shost = shost;
- mvi->tags = kzalloc(MVS_CHIP_SLOT_SZ>>3, GFP_KERNEL);
- if (!mvi->tags)
+ mvi->rsvd_tags = bitmap_zalloc(MVS_RSVD_SLOTS, GFP_KERNEL);
+ if (!mvi->rsvd_tags)
goto err_out;
if (MVS_CHIP_DISP->chip_ioremap(mvi))
@@ -435,7 +399,7 @@ static int mvs_prep_sas_ha_init(struct Scsi_Host *shost,
sha->sas_phy = arr_phy;
sha->sas_port = arr_port;
- sha->core.shost = shost;
+ sha->shost = shost;
sha->lldd_ha = kzalloc(sizeof(struct mvs_prv_info), GFP_KERNEL);
if (!sha->lldd_ha)
@@ -477,7 +441,6 @@ static void mvs_post_sas_ha_init(struct Scsi_Host *shost,
sha->sas_ha_name = DRV_NAME;
sha->dev = mvi->dev;
- sha->lldd_module = THIS_MODULE;
sha->sas_addr = &mvi->sas_addr[0];
sha->num_phys = nr_core * chip_info->n_phy;
@@ -487,10 +450,12 @@ static void mvs_post_sas_ha_init(struct Scsi_Host *shost,
else
can_queue = MVS_CHIP_SLOT_SZ;
+ can_queue -= MVS_RSVD_SLOTS;
+
shost->sg_tablesize = min_t(u16, SG_ALL, MVS_MAX_SG);
shost->can_queue = can_queue;
mvi->shost->cmd_per_lun = MVS_QUEUE_SIZE;
- sha->core.shost = mvi->shost;
+ sha->shost = mvi->shost;
}
static void mvs_init_sas_add(struct mvs_info *mvi)
@@ -509,7 +474,6 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
{
unsigned int rc, nhost = 0;
struct mvs_info *mvi;
- struct mvs_prv_info *mpi;
irq_handler_t irq_handler = mvs_interrupt;
struct Scsi_Host *shost = NULL;
const struct mvs_chip_info *chip;
@@ -574,10 +538,13 @@ static int mvs_pci_init(struct pci_dev *pdev, const struct pci_device_id *ent)
}
nhost++;
} while (nhost < chip->n_host);
- mpi = (struct mvs_prv_info *)(SHOST_TO_SAS_HA(shost)->lldd_ha);
#ifdef CONFIG_SCSI_MVSAS_TASKLET
+ {
+ struct mvs_prv_info *mpi = SHOST_TO_SAS_HA(shost)->lldd_ha;
+
tasklet_init(&(mpi->mv_tasklet), mvs_tasklet,
(unsigned long)SHOST_TO_SAS_HA(shost));
+ }
#endif
mvs_post_sas_ha_init(shost, chip);
@@ -642,7 +609,7 @@ static void mvs_pci_remove(struct pci_dev *pdev)
return;
}
-static struct pci_device_id mvs_pci_table[] = {
+static const struct pci_device_id mvs_pci_table[] = {
{ PCI_VDEVICE(MARVELL, 0x6320), chip_6320 },
{ PCI_VDEVICE(MARVELL, 0x6340), chip_6440 },
{
@@ -661,6 +628,7 @@ static struct pci_device_id mvs_pci_table[] = {
{ PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1300), chip_1300 },
{ PCI_VDEVICE(ARECA, PCI_DEVICE_ID_ARECA_1320), chip_1320 },
{ PCI_VDEVICE(ADAPTEC2, 0x0450), chip_6440 },
+ { PCI_VDEVICE(TTI, 0x2640), chip_6440 },
{ PCI_VDEVICE(TTI, 0x2710), chip_9480 },
{ PCI_VDEVICE(TTI, 0x2720), chip_9480 },
{ PCI_VDEVICE(TTI, 0x2721), chip_9480 },
@@ -708,22 +676,11 @@ static struct pci_driver mvs_pci_driver = {
.remove = mvs_pci_remove,
};
-static ssize_t
-mvs_show_driver_version(struct device *cdev,
- struct device_attribute *attr, char *buffer)
-{
- return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION);
-}
+static DEVICE_STRING_ATTR_RO(driver_version, 0444, DRV_VERSION);
-static DEVICE_ATTR(driver_version,
- S_IRUGO,
- mvs_show_driver_version,
- NULL);
-
-static ssize_t
-mvs_store_interrupt_coalescing(struct device *cdev,
- struct device_attribute *attr,
- const char *buffer, size_t size)
+static ssize_t interrupt_coalescing_store(struct device *cdev,
+ struct device_attribute *attr,
+ const char *buffer, size_t size)
{
unsigned int val = 0;
struct mvs_info *mvi = NULL;
@@ -761,19 +718,14 @@ mvs_store_interrupt_coalescing(struct device *cdev,
return strlen(buffer);
}
-static ssize_t mvs_show_interrupt_coalescing(struct device *cdev,
- struct device_attribute *attr, char *buffer)
+static ssize_t interrupt_coalescing_show(struct device *cdev,
+ struct device_attribute *attr, char *buffer)
{
- return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing);
+ return sysfs_emit(buffer, "%d\n", interrupt_coalescing);
}
-static DEVICE_ATTR(interrupt_coalescing,
- S_IRUGO|S_IWUSR,
- mvs_show_interrupt_coalescing,
- mvs_store_interrupt_coalescing);
+static DEVICE_ATTR_RW(interrupt_coalescing);
-/* task handler */
-struct task_struct *mvs_th;
static int __init mvs_init(void)
{
int rc;
@@ -798,12 +750,19 @@ static void __exit mvs_exit(void)
sas_release_transport(mvs_stt);
}
-struct device_attribute *mvst_host_attrs[] = {
- &dev_attr_driver_version,
- &dev_attr_interrupt_coalescing,
+static struct attribute *mvst_host_attrs[] = {
+ &dev_attr_driver_version.attr.attr,
+ &dev_attr_interrupt_coalescing.attr,
NULL,
};
+ATTRIBUTE_GROUPS(mvst_host);
+
+static const struct attribute_group *mvst_sdev_groups[] = {
+ &sas_ata_sdev_attr_group,
+ NULL
+};
+
module_init(mvs_init);
module_exit(mvs_exit);
generated by cgit (git 2.34.1) at 2025-12-25 01:44:11 +0000