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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.c168
1 files changed, 89 insertions, 79 deletions
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index c6a53dccc16..e2237a97cb9 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -67,9 +67,11 @@
*
* NEC MegaRAID PCI Express ROMB 1000 0408 1033 8287
*
- * For history of changes, see Documentation/ChangeLog.megaraid
+ * For history of changes, see Documentation/scsi/ChangeLog.megaraid
*/
+#include <linux/slab.h>
+#include <linux/module.h>
#include "megaraid_mbox.h"
static int megaraid_init(void);
@@ -112,8 +114,7 @@ static int megaraid_mbox_fire_sync_cmd(adapter_t *);
static void megaraid_mbox_display_scb(adapter_t *, scb_t *);
static void megaraid_mbox_setup_device_map(adapter_t *);
-static int megaraid_queue_command(struct scsi_cmnd *,
- void (*)(struct scsi_cmnd *));
+static int megaraid_queue_command(struct Scsi_Host *, struct scsi_cmnd *);
static scb_t *megaraid_mbox_build_cmd(adapter_t *, struct scsi_cmnd *, int *);
static void megaraid_mbox_runpendq(adapter_t *, scb_t *);
static void megaraid_mbox_prepare_pthru(adapter_t *, scb_t *,
@@ -125,7 +126,7 @@ static irqreturn_t megaraid_isr(int, void *);
static void megaraid_mbox_dpc(unsigned long);
-static ssize_t megaraid_sysfs_show_app_hndl(struct class_device *, char *);
+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 int megaraid_cmm_register(adapter_t *);
@@ -300,11 +301,11 @@ static struct pci_device_id pci_id_table_g[] = {
MODULE_DEVICE_TABLE(pci, pci_id_table_g);
-static struct pci_driver megaraid_pci_driver_g = {
+static struct pci_driver megaraid_pci_driver = {
.name = "megaraid",
.id_table = pci_id_table_g,
.probe = megaraid_probe_one,
- .remove = __devexit_p(megaraid_detach_one),
+ .remove = megaraid_detach_one,
.shutdown = megaraid_mbox_shutdown,
};
@@ -313,12 +314,12 @@ static struct pci_driver megaraid_pci_driver_g = {
// definitions for the device attributes for exporting logical drive number
// for a scsi address (Host, Channel, Id, Lun)
-CLASS_DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
+DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl,
NULL);
// Host template initializer for megaraid mbox sysfs device attributes
-static struct class_device_attribute *megaraid_shost_attrs[] = {
- &class_device_attr_megaraid_mbox_app_hndl,
+static struct device_attribute *megaraid_shost_attrs[] = {
+ &dev_attr_megaraid_mbox_app_hndl,
NULL,
};
@@ -335,12 +336,17 @@ static struct device_attribute *megaraid_sdev_attrs[] = {
* megaraid_change_queue_depth - Change the device's queue depth
* @sdev: scsi device struct
* @qdepth: depth to set
+ * @reason: calling context
*
* Return value:
* actual depth set
*/
-static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth)
+static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth,
+ int reason)
{
+ if (reason != SCSI_QDEPTH_DEFAULT)
+ return -EOPNOTSUPP;
+
if (qdepth > MBOX_MAX_SCSI_CMDS)
qdepth = MBOX_MAX_SCSI_CMDS;
scsi_adjust_queue_depth(sdev, 0, qdepth);
@@ -361,6 +367,7 @@ static struct scsi_host_template megaraid_template_g = {
.eh_host_reset_handler = megaraid_reset_handler,
.change_queue_depth = megaraid_change_queue_depth,
.use_clustering = ENABLE_CLUSTERING,
+ .no_write_same = 1,
.sdev_attrs = megaraid_sdev_attrs,
.shost_attrs = megaraid_shost_attrs,
};
@@ -393,7 +400,7 @@ megaraid_init(void)
// register as a PCI hot-plug driver module
- rval = pci_register_driver(&megaraid_pci_driver_g);
+ rval = pci_register_driver(&megaraid_pci_driver);
if (rval < 0) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: could not register hotplug support.\n"));
@@ -414,7 +421,7 @@ megaraid_exit(void)
con_log(CL_DLEVEL1, (KERN_NOTICE "megaraid: unloading framework\n"));
// unregister as PCI hotplug driver
- pci_unregister_driver(&megaraid_pci_driver_g);
+ pci_unregister_driver(&megaraid_pci_driver);
return;
}
@@ -426,9 +433,9 @@ megaraid_exit(void)
* @id : pci device id of the class of controllers
*
* This routine should be called whenever a new adapter is detected by the
- * PCI hotplug susbsytem.
+ * PCI hotplug susbsystem.
*/
-static int __devinit
+static int
megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
adapter_t *adapter;
@@ -458,7 +465,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (adapter == NULL) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d.\n", __FUNCTION__, __LINE__));
+ "megaraid: out of memory, %s %d.\n", __func__, __LINE__));
goto out_probe_one;
}
@@ -473,7 +480,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
// Setup the default DMA mask. This would be changed later on
// depending on hardware capabilities
- if (pci_set_dma_mask(adapter->pdev, DMA_32BIT_MASK) != 0) {
+ if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(32)) != 0) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: pci_set_dma_mask failed:%d\n", __LINE__));
@@ -528,7 +535,6 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
out_cmm_unreg:
- pci_set_drvdata(pdev, NULL);
megaraid_cmm_unregister(adapter);
out_fini_mbox:
megaraid_fini_mbox(adapter);
@@ -543,7 +549,7 @@ out_probe_one:
/**
* megaraid_detach_one - release framework resources and call LLD release routine
- * @pdev : handle for our PCI cofiguration space
+ * @pdev : handle for our PCI configuration space
*
* This routine is called during driver unload. We free all the allocated
* resources and call the corresponding LLD so that it can also release all
@@ -588,11 +594,6 @@ megaraid_detach_one(struct pci_dev *pdev)
// detach from the IO sub-system
megaraid_io_detach(adapter);
- // reset the device state in the PCI structure. We check this
- // condition when we enter here. If the device state is NULL,
- // that would mean the device has already been removed
- pci_set_drvdata(pdev, NULL);
-
// Unregister from common management module
//
// FIXME: this must return success or failure for conditions if there
@@ -729,7 +730,7 @@ megaraid_io_detach(adapter_t *adapter)
* - Allocate memory required for all the commands
* - Use internal library of FW routines, build up complete soft state
*/
-static int __devinit
+static int
megaraid_init_mbox(adapter_t *adapter)
{
struct pci_dev *pdev;
@@ -900,11 +901,11 @@ megaraid_init_mbox(adapter_t *adapter)
adapter->pdev->device == PCI_DEVICE_ID_PERC4_DI_EVERGLADES) ||
(adapter->pdev->vendor == PCI_VENDOR_ID_DELL &&
adapter->pdev->device == PCI_DEVICE_ID_PERC4E_DI_KOBUK)) {
- if (pci_set_dma_mask(adapter->pdev, DMA_64BIT_MASK)) {
+ if (pci_set_dma_mask(adapter->pdev, DMA_BIT_MASK(64))) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: DMA mask for 64-bit failed\n"));
- if (pci_set_dma_mask (adapter->pdev, DMA_32BIT_MASK)) {
+ if (pci_set_dma_mask (adapter->pdev, DMA_BIT_MASK(32))) {
con_log(CL_ANN, (KERN_WARNING
"megaraid: 32-bit DMA mask failed\n"));
goto out_free_sysfs_res;
@@ -973,7 +974,7 @@ megaraid_fini_mbox(adapter_t *adapter)
* @adapter : soft state of the raid controller
*
* Allocate and align the shared mailbox. This maibox is used to issue
- * all the commands. For IO based controllers, the mailbox is also regsitered
+ * all the commands. For IO based controllers, the mailbox is also registered
* with the FW. Allocate memory for all commands as well.
* This is our big allocator.
*/
@@ -1002,7 +1003,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
if (!raid_dev->una_mbox64) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
return -1;
}
@@ -1030,7 +1031,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
if (!adapter->ibuf) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
goto out_free_common_mbox;
@@ -1052,7 +1053,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
if (adapter->kscb_list == NULL) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
goto out_free_ibuf;
}
@@ -1060,7 +1061,7 @@ megaraid_alloc_cmd_packets(adapter_t *adapter)
// memory allocation for our command packets
if (megaraid_mbox_setup_dma_pools(adapter) != 0) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
goto out_free_scb_list;
}
@@ -1478,7 +1479,7 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb)
* Queue entry point for mailbox based controllers.
*/
static int
-megaraid_queue_command(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
+megaraid_queue_command_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
{
adapter_t *adapter;
scb_t *scb;
@@ -1507,6 +1508,8 @@ megaraid_queue_command(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
return if_busy;
}
+static DEF_SCSI_QCMD(megaraid_queue_command)
+
/**
* megaraid_mbox_build_cmd - transform the mid-layer scsi commands
* @adapter : controller's soft state
@@ -1583,10 +1586,8 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
caddr_t vaddr;
sgl = scsi_sglist(scp);
- if (sgl->page) {
- vaddr = (caddr_t)
- (page_address((&sgl[0])->page)
- + (&sgl[0])->offset);
+ if (sg_page(sgl)) {
+ vaddr = (caddr_t) sg_virt(&sgl[0]);
memset(vaddr, 0, scp->cmnd[4]);
}
@@ -2021,7 +2022,7 @@ megaraid_mbox_prepare_pthru(adapter_t *adapter, scb_t *scb,
* @scb : scsi control block
* @scp : scsi command from the mid-layer
*
- * Prepare a command for the scsi physical devices. This rountine prepares
+ * Prepare a command for the scsi physical devices. This routine prepares
* commands for devices which can take extended CDBs (>10 bytes).
*/
static void
@@ -2310,8 +2311,8 @@ megaraid_mbox_dpc(unsigned long devp)
// Was an abort issued for this command earlier
if (scb->state & SCB_ABORT) {
con_log(CL_ANN, (KERN_NOTICE
- "megaraid: aborted cmd %lx[%x] completed\n",
- scp->serial_number, scb->sno));
+ "megaraid: aborted cmd [%x] completed\n",
+ scb->sno));
}
/*
@@ -2327,10 +2328,8 @@ megaraid_mbox_dpc(unsigned long devp)
&& IS_RAID_CH(raid_dev, scb->dev_channel)) {
sgl = scsi_sglist(scp);
- if (sgl->page) {
- c = *(unsigned char *)
- (page_address((&sgl[0])->page) +
- (&sgl[0])->offset);
+ if (sg_page(sgl)) {
+ c = *(unsigned char *) sg_virt(&sgl[0]);
} else {
con_log(CL_ANN, (KERN_WARNING
"megaraid mailbox: invalid sg:%d\n",
@@ -2469,8 +2468,8 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
raid_dev = ADAP2RAIDDEV(adapter);
con_log(CL_ANN, (KERN_WARNING
- "megaraid: aborting-%ld cmd=%x <c=%d t=%d l=%d>\n",
- scp->serial_number, scp->cmnd[0], SCP2CHANNEL(scp),
+ "megaraid: aborting cmd=%x <c=%d t=%d l=%d>\n",
+ scp->cmnd[0], SCP2CHANNEL(scp),
SCP2TARGET(scp), SCP2LUN(scp)));
// If FW has stopped responding, simply return failure
@@ -2493,9 +2492,8 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
list_del_init(&scb->list); // from completed list
con_log(CL_ANN, (KERN_WARNING
- "megaraid: %ld:%d[%d:%d], abort from completed list\n",
- scp->serial_number, scb->sno,
- scb->dev_channel, scb->dev_target));
+ "megaraid: %d[%d:%d], abort from completed list\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
scp->result = (DID_ABORT << 16);
scp->scsi_done(scp);
@@ -2524,9 +2522,8 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
ASSERT(!(scb->state & SCB_ISSUED));
con_log(CL_ANN, (KERN_WARNING
- "megaraid abort: %ld[%d:%d], driver owner\n",
- scp->serial_number, scb->dev_channel,
- scb->dev_target));
+ "megaraid abort: [%d:%d], driver owner\n",
+ scb->dev_channel, scb->dev_target));
scp->result = (DID_ABORT << 16);
scp->scsi_done(scp);
@@ -2557,25 +2554,21 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
if (!(scb->state & SCB_ISSUED)) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid abort: %ld%d[%d:%d], invalid state\n",
- scp->serial_number, scb->sno, scb->dev_channel,
- scb->dev_target));
+ "megaraid abort: %d[%d:%d], invalid state\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
BUG();
}
else {
con_log(CL_ANN, (KERN_WARNING
- "megaraid abort: %ld:%d[%d:%d], fw owner\n",
- scp->serial_number, scb->sno, scb->dev_channel,
- scb->dev_target));
+ "megaraid abort: %d[%d:%d], fw owner\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
}
}
}
spin_unlock_irq(&adapter->lock);
if (!found) {
- con_log(CL_ANN, (KERN_WARNING
- "megaraid abort: scsi cmd:%ld, do now own\n",
- scp->serial_number));
+ con_log(CL_ANN, (KERN_WARNING "megaraid abort: do now own\n"));
// FIXME: Should there be a callback for this command?
return SUCCESS;
@@ -2588,7 +2581,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
}
/**
- * megaraid_reset_handler - device reset hadler for mailbox based driver
+ * megaraid_reset_handler - device reset handler for mailbox based driver
* @scp : reference command
*
* Reset handler for the mailbox based controller. First try to find out if
@@ -2646,9 +2639,8 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
} else {
if (scb->scp == scp) { // Found command
con_log(CL_ANN, (KERN_WARNING
- "megaraid: %ld:%d[%d:%d], reset from pending list\n",
- scp->serial_number, scb->sno,
- scb->dev_channel, scb->dev_target));
+ "megaraid: %d[%d:%d], reset from pending list\n",
+ scb->sno, scb->dev_channel, scb->dev_target));
} else {
con_log(CL_ANN, (KERN_WARNING
"megaraid: IO packet with %d[%d:%d] being reset\n",
@@ -2686,7 +2678,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
(MBOX_RESET_WAIT + MBOX_RESET_EXT_WAIT) - i));
}
- // bailout if no recovery happended in reset time
+ // bailout if no recovery happened in reset time
if (adapter->outstanding_cmds == 0) {
break;
}
@@ -2708,7 +2700,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
}
else {
con_log(CL_ANN, (KERN_NOTICE
- "megaraid mbox: reset sequence completed sucessfully\n"));
+ "megaraid mbox: reset sequence completed successfully\n"));
}
@@ -2734,7 +2726,7 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
}
out:
- spin_unlock_irq(&adapter->lock);
+ spin_unlock(&adapter->lock);
return rval;
}
@@ -2985,7 +2977,7 @@ megaraid_mbox_product_info(adapter_t *adapter)
if (pinfo == NULL) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
return -1;
@@ -3172,6 +3164,23 @@ megaraid_mbox_support_random_del(adapter_t *adapter)
uint8_t raw_mbox[sizeof(mbox_t)];
int rval;
+ /*
+ * Newer firmware on Dell CERC expect a different
+ * random deletion handling, so disable it.
+ */
+ if (adapter->pdev->vendor == PCI_VENDOR_ID_AMI &&
+ adapter->pdev->device == PCI_DEVICE_ID_AMI_MEGARAID3 &&
+ adapter->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL &&
+ adapter->pdev->subsystem_device == PCI_SUBSYS_ID_CERC_ATA100_4CH &&
+ (adapter->fw_version[0] > '6' ||
+ (adapter->fw_version[0] == '6' &&
+ adapter->fw_version[2] > '6') ||
+ (adapter->fw_version[0] == '6'
+ && adapter->fw_version[2] == '6'
+ && adapter->fw_version[3] > '1'))) {
+ con_log(CL_DLEVEL1, ("megaraid: disable random deletion\n"));
+ return 0;
+ }
mbox = (mbox_t *)raw_mbox;
@@ -3432,7 +3441,7 @@ megaraid_mbox_display_scb(adapter_t *adapter, scb_t *scb)
* megaraid_mbox_setup_device_map - manage device ids
* @adapter : Driver's soft state
*
- * Manange the device ids to have an appropraite mapping between the kernel
+ * Manage the device ids to have an appropriate mapping between the kernel
* scsi addresses and megaraid scsi and logical drive addresses. We export
* scsi devices on their actual addresses, whereas the logical drives are
* exported on a virtual scsi channel.
@@ -3468,12 +3477,12 @@ megaraid_mbox_setup_device_map(adapter_t *adapter)
/*
* START: Interface for the common management module
*
- * This is the module, which interfaces with the common mangement module to
+ * This is the module, which interfaces with the common management module to
* provide support for ioctl and sysfs
*/
/**
- * megaraid_cmm_register - register with the mangement module
+ * megaraid_cmm_register - register with the management module
* @adapter : HBA soft state
*
* Register with the management module, which allows applications to issue
@@ -3495,7 +3504,7 @@ megaraid_cmm_register(adapter_t *adapter)
if (adapter->uscb_list == NULL) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
return -1;
}
@@ -3561,7 +3570,7 @@ megaraid_cmm_register(adapter_t *adapter)
/**
- * megaraid_cmm_unregister - un-register with the mangement module
+ * megaraid_cmm_unregister - un-register with the management module
* @adapter : HBA soft state
*
* Un-register with the management module.
@@ -3583,7 +3592,7 @@ megaraid_cmm_unregister(adapter_t *adapter)
* @kioc : CMM interface packet
* @action : command action
*
- * This routine is invoked whenever the Common Mangement Module (CMM) has a
+ * This routine is invoked whenever the Common Management Module (CMM) has a
* command for us. The 'action' parameter specifies if this is a new command
* or otherwise.
*/
@@ -3866,7 +3875,7 @@ megaraid_sysfs_alloc_resources(adapter_t *adapter)
!raid_dev->sysfs_buffer) {
con_log(CL_ANN, (KERN_WARNING
- "megaraid: out of memory, %s %d\n", __FUNCTION__,
+ "megaraid: out of memory, %s %d\n", __func__,
__LINE__));
rval = -ENOMEM;
@@ -3948,12 +3957,12 @@ megaraid_sysfs_get_ldmap_timeout(unsigned long data)
*
* This routine will be called whenever user reads the logical drive
* attributes, go get the current logical drive mapping table from the
- * firmware. We use the managment API's to issue commands to the controller.
+ * firmware. We use the management API's to issue commands to the controller.
*
* NOTE: The commands issuance functionality is not generalized and
* implemented in context of "get ld map" command only. If required, the
* command issuance logical can be trivially pulled out and implemented as a
- * standalone libary. For now, this should suffice since there is no other
+ * standalone library. For now, this should suffice since there is no other
* user of this interface.
*
* Return 0 on success.
@@ -4067,9 +4076,10 @@ 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 class_device *cdev, char *buf)
+megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr,
+ char *buf)
{
- struct Scsi_Host *shost = class_to_shost(cdev);
+ struct Scsi_Host *shost = class_to_shost(dev);
adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(shost);
uint32_t app_hndl;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 23:52:26 +0000