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path: root/drivers/scsi/megaraid/megaraid_mbox.c
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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_mbox.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.c125
1 files changed, 54 insertions, 71 deletions
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index f112458023ff..b610cad83321 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
*
* Linux MegaRAID device driver
*
* Copyright (c) 2003-2004 LSI Logic Corporation.
*
- * 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; either version
- * 2 of the License, or (at your option) any later version.
- *
* FILE : megaraid_mbox.c
* Version : v2.20.5.1 (Nov 16 2006)
*
@@ -38,7 +34,6 @@
* Dell PERC 4e/DC 1000 0408 1028 0002
* Dell PERC 4e/SC 1000 0408 1028 0001
*
- *
* LSI MegaRAID SCSI 320-0 1000 1960 1000 A520
* LSI MegaRAID SCSI 320-1 1000 1960 1000 0520
* LSI MegaRAID SCSI 320-2 1000 1960 1000 0518
@@ -126,8 +121,8 @@ static irqreturn_t megaraid_isr(int, void *);
static void megaraid_mbox_dpc(unsigned long);
-static ssize_t megaraid_sysfs_show_app_hndl(struct device *, struct device_attribute *attr, char *);
-static ssize_t megaraid_sysfs_show_ldnum(struct device *, struct device_attribute *attr, char *);
+static ssize_t megaraid_mbox_app_hndl_show(struct device *, struct device_attribute *attr, char *);
+static ssize_t megaraid_mbox_ld_show(struct device *, struct device_attribute *attr, char *);
static int megaraid_cmm_register(adapter_t *);
static int megaraid_cmm_unregister(adapter_t *);
@@ -186,7 +181,7 @@ MODULE_PARM_DESC(cmd_per_lun,
* This would result in non-disk devices being skipped during driver load
* time. These can be later added though, using /proc/scsi/scsi
*/
-static unsigned int megaraid_fast_load = 0;
+static unsigned int megaraid_fast_load;
module_param_named(fast_load, megaraid_fast_load, int, 0);
MODULE_PARM_DESC(fast_load,
"Faster loading of the driver, skips physical devices! (default=0)");
@@ -204,7 +199,7 @@ MODULE_PARM_DESC(debug_level, "Debug level for driver (default=0)");
/*
* PCI table for all supported controllers.
*/
-static struct pci_device_id pci_id_table_g[] = {
+static const struct pci_device_id pci_id_table_g[] = {
{
PCI_VENDOR_ID_DELL,
PCI_DEVICE_ID_PERC4_DI_DISCOVERY,
@@ -307,28 +302,30 @@ static struct pci_driver megaraid_pci_driver = {
// definitions for the device attributes for exporting logical drive number
// for a scsi address (Host, Channel, Id, Lun)
-DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
- NULL);
+static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_app_hndl);
// Host template initializer for megaraid mbox sysfs device attributes
-static struct device_attribute *megaraid_shost_attrs[] = {
- &dev_attr_megaraid_mbox_app_hndl,
+static struct attribute *megaraid_shost_attrs[] = {
+ &dev_attr_megaraid_mbox_app_hndl.attr,
NULL,
};
+ATTRIBUTE_GROUPS(megaraid_shost);
-DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL);
+static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_ld);
// Host template initializer for megaraid mbox sysfs device attributes
-static struct device_attribute *megaraid_sdev_attrs[] = {
- &dev_attr_megaraid_mbox_ld,
+static struct attribute *megaraid_sdev_attrs[] = {
+ &dev_attr_megaraid_mbox_ld.attr,
NULL,
};
+ATTRIBUTE_GROUPS(megaraid_sdev);
+
/*
* Scsi host template for megaraid unified driver
*/
-static struct scsi_host_template megaraid_template_g = {
+static const struct scsi_host_template megaraid_template_g = {
.module = THIS_MODULE,
.name = "LSI Logic MegaRAID driver",
.proc_name = "megaraid",
@@ -337,8 +334,8 @@ static struct scsi_host_template megaraid_template_g = {
.eh_host_reset_handler = megaraid_reset_handler,
.change_queue_depth = scsi_change_queue_depth,
.no_write_same = 1,
- .sdev_attrs = megaraid_sdev_attrs,
- .shost_attrs = megaraid_shost_attrs,
+ .sdev_groups = megaraid_sdev_groups,
+ .shost_groups = megaraid_shost_groups,
};
@@ -441,7 +438,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
// set up PCI related soft state and other pre-known parameters
- adapter->unique_id = pdev->bus->number << 8 | pdev->devfn;
+ adapter->unique_id = pci_dev_id(pdev);
adapter->irq = pdev->irq;
adapter->pdev = pdev;
@@ -624,7 +621,7 @@ megaraid_io_attach(adapter_t *adapter)
host = scsi_host_alloc(&megaraid_template_g, 8);
if (!host) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid mbox: scsi_register failed\n"));
+ "megaraid mbox: scsi_host_alloc failed\n"));
return -1;
}
@@ -736,7 +733,7 @@ megaraid_init_mbox(adapter_t *adapter)
goto out_free_raid_dev;
}
- raid_dev->baseaddr = ioremap_nocache(raid_dev->baseport, 128);
+ raid_dev->baseaddr = ioremap(raid_dev->baseport, 128);
if (!raid_dev->baseaddr) {
@@ -1170,7 +1167,7 @@ megaraid_mbox_setup_dma_pools(adapter_t *adapter)
* structure
* Since passthru and extended passthru commands are exclusive, they
* share common memory pool. Passthru structures piggyback on memory
- * allocted to extended passthru since passthru is smaller of the two
+ * allocated to extended passthru since passthru is smaller of the two
*/
raid_dev->epthru_pool_handle = dma_pool_create("megaraid mbox pthru",
&adapter->pdev->dev, sizeof(mraid_epassthru_t), 128, 0);
@@ -1432,21 +1429,19 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb)
/**
- * megaraid_queue_command - generic queue entry point for all LLDs
+ * megaraid_queue_command_lck - generic queue entry point for all LLDs
* @scp : pointer to the scsi command to be executed
- * @done : callback routine to be called after the cmd has be completed
*
* Queue entry point for mailbox based controllers.
*/
-static int
-megaraid_queue_command_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
+static int megaraid_queue_command_lck(struct scsi_cmnd *scp)
{
+ void (*done)(struct scsi_cmnd *) = scsi_done;
adapter_t *adapter;
scb_t *scb;
int if_busy;
adapter = SCP2ADAPTER(scp);
- scp->scsi_done = done;
scp->result = 0;
/*
@@ -1579,14 +1574,12 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
}
if (scp->cmnd[1] & MEGA_SCSI_INQ_EVPD) {
- scp->sense_buffer[0] = 0x70;
- scp->sense_buffer[2] = ILLEGAL_REQUEST;
- scp->sense_buffer[12] = MEGA_INVALID_FIELD_IN_CDB;
- scp->result = CHECK_CONDITION << 1;
+ scsi_build_sense(scp, 0, ILLEGAL_REQUEST,
+ MEGA_INVALID_FIELD_IN_CDB, 0);
return NULL;
}
- /* Fall through */
+ fallthrough;
case READ_CAPACITY:
/*
@@ -1732,8 +1725,8 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
return scb;
- case RESERVE:
- case RELEASE:
+ case RESERVE_6:
+ case RELEASE_6:
/*
* Do we support clustering and is the support enabled
*/
@@ -1755,7 +1748,7 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
scb->dev_channel = 0xFF;
scb->dev_target = target;
ccb->raw_mbox[0] = CLUSTER_CMD;
- ccb->raw_mbox[2] = (scp->cmnd[0] == RESERVE) ?
+ ccb->raw_mbox[2] = scp->cmnd[0] == RESERVE_6 ?
RESERVE_LD : RELEASE_LD;
ccb->raw_mbox[3] = target;
@@ -2306,8 +2299,7 @@ megaraid_mbox_dpc(unsigned long devp)
memcpy(scp->sense_buffer, pthru->reqsensearea,
14);
- scp->result = DRIVER_SENSE << 24 |
- DID_OK << 16 | CHECK_CONDITION << 1;
+ scp->result = SAM_STAT_CHECK_CONDITION;
}
else {
if (mbox->cmd == MBOXCMD_EXTPTHRU) {
@@ -2315,14 +2307,10 @@ megaraid_mbox_dpc(unsigned long devp)
memcpy(scp->sense_buffer,
epthru->reqsensearea, 14);
- scp->result = DRIVER_SENSE << 24 |
- DID_OK << 16 |
- CHECK_CONDITION << 1;
- } else {
- scp->sense_buffer[0] = 0x70;
- scp->sense_buffer[2] = ABORTED_COMMAND;
- scp->result = CHECK_CONDITION << 1;
- }
+ scp->result = SAM_STAT_CHECK_CONDITION;
+ } else
+ scsi_build_sense(scp, 0,
+ ABORTED_COMMAND, 0, 0);
}
break;
@@ -2339,18 +2327,18 @@ megaraid_mbox_dpc(unsigned long devp)
*/
if (scp->cmnd[0] == TEST_UNIT_READY) {
scp->result = DID_ERROR << 16 |
- RESERVATION_CONFLICT << 1;
+ SAM_STAT_RESERVATION_CONFLICT;
}
else
/*
* Error code returned is 1 if Reserve or Release
* failed or the input parameter is invalid
*/
- if (status == 1 && (scp->cmnd[0] == RESERVE ||
- scp->cmnd[0] == RELEASE)) {
+ if (status == 1 && (scp->cmnd[0] == RESERVE_6 ||
+ scp->cmnd[0] == RELEASE_6)) {
scp->result = DID_ERROR << 16 |
- RESERVATION_CONFLICT << 1;
+ SAM_STAT_RESERVATION_CONFLICT;
}
else {
scp->result = DID_BAD_TARGET << 16 | status;
@@ -2371,7 +2359,7 @@ megaraid_mbox_dpc(unsigned long devp)
megaraid_dealloc_scb(adapter, scb);
// send the scsi packet back to kernel
- scp->scsi_done(scp);
+ scsi_done(scp);
}
return;
@@ -2429,7 +2417,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
scb->sno, scb->dev_channel, scb->dev_target));
scp->result = (DID_ABORT << 16);
- scp->scsi_done(scp);
+ scsi_done(scp);
megaraid_dealloc_scb(adapter, scb);
@@ -2459,7 +2447,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
scb->dev_channel, scb->dev_target));
scp->result = (DID_ABORT << 16);
- scp->scsi_done(scp);
+ scsi_done(scp);
megaraid_dealloc_scb(adapter, scb);
@@ -2579,7 +2567,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
}
scb->scp->result = (DID_RESET << 16);
- scb->scp->scsi_done(scb->scp);
+ scsi_done(scb->scp);
megaraid_dealloc_scb(adapter, scb);
}
@@ -3245,8 +3233,6 @@ megaraid_mbox_fire_sync_cmd(adapter_t *adapter)
int i;
uint32_t dword;
- mbox = (mbox_t *)raw_mbox;
-
memset((caddr_t)raw_mbox, 0, sizeof(mbox_t));
raw_mbox[0] = 0xFF;
@@ -3309,7 +3295,6 @@ blocked_mailbox:
* megaraid_mbox_display_scb - display SCB information, mostly debug purposes
* @adapter : controller's soft state
* @scb : SCB to be displayed
- * @level : debug level for console print
*
* Diplay information about the given SCB iff the current debug level is
* verbose.
@@ -3851,7 +3836,7 @@ megaraid_sysfs_get_ldmap_done(uioc_t *uioc)
static void
megaraid_sysfs_get_ldmap_timeout(struct timer_list *t)
{
- struct uioc_timeout *timeout = from_timer(timeout, t, timer);
+ struct uioc_timeout *timeout = timer_container_of(timeout, t, timer);
uioc_t *uioc = timeout->uioc;
adapter_t *adapter = (adapter_t *)uioc->buf_vaddr;
mraid_device_t *raid_dev = ADAP2RAIDDEV(adapter);
@@ -3966,8 +3951,8 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
}
- del_timer_sync(&timeout.timer);
- destroy_timer_on_stack(&timeout.timer);
+ timer_delete_sync(&timeout.timer);
+ timer_destroy_on_stack(&timeout.timer);
mutex_unlock(&raid_dev->sysfs_mtx);
@@ -3976,8 +3961,9 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
/**
- * megaraid_sysfs_show_app_hndl - display application handle for this adapter
- * @cdev : class device object representation for the host
+ * megaraid_mbox_app_hndl_show - display application handle for this adapter
+ * @dev : class device object representation for the host
+ * @attr : device attribute (unused)
* @buf : buffer to send data to
*
* Display the handle used by the applications while executing management
@@ -3985,8 +3971,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
* handle, since we do not interface with applications directly.
*/
static ssize_t
-megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
- char *buf)
+megaraid_mbox_app_hndl_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(shost);
@@ -3994,12 +3979,12 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
app_hndl = mraid_mm_adapter_app_handle(adapter->unique_id);
- return snprintf(buf, 8, "%u\n", app_hndl);
+ return sysfs_emit(buf, "%u\n", app_hndl);
}
/**
- * megaraid_sysfs_show_ldnum - display the logical drive number for this device
+ * megaraid_mbox_ld_show - display the logical drive number for this device
* @dev : device object representation for the scsi device
* @attr : device attribute to show
* @buf : buffer to send data to
@@ -4014,7 +3999,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
* <int> <int> <int> <int>
*/
static ssize_t
-megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf)
+megaraid_mbox_ld_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(sdev->host);
@@ -4063,7 +4048,7 @@ megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, cha
}
}
- return snprintf(buf, 36, "%d %d %d %d\n", scsi_id, logical_drv,
+ return sysfs_emit(buf, "%d %d %d %d\n", scsi_id, logical_drv,
ldid_map, app_hndl);
}
@@ -4073,5 +4058,3 @@ megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, cha
*/
module_init(megaraid_init);
module_exit(megaraid_exit);
-
-/* vim: set ts=8 sw=8 tw=78 ai si: */
generated by cgit (git 2.34.1) at 2025-12-26 01:30:14 +0000