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mpt3sas: Define 'hba_mpi_version_belonged' IOC variable
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1. Use 'hba_mpi_version_belonged' IOC varable to uniquely identify each
individual generation driver functionality at runtime.

2. Declare global variable 'driver_name' and use this variable while
reserving PCI regions and while allocating the IRQs.

Signed-off-by: Sreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Sreekanth Reddy authored and Martin K. Petersen committed Nov 11, 2015
1 parent 09ec55e commit d357e84
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Showing 6 changed files with 62 additions and 8 deletions.
1 change: 1 addition & 0 deletions drivers/scsi/mpt2sas/mpt2sas_module.c
Original file line number Diff line number Diff line change
Expand Up @@ -196,6 +196,7 @@ _mpt2sas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (!shost)
return -ENODEV;

sprintf(driver_name, "%s", MPT2SAS_DRIVER_NAME);
rv = scsih_probe(pdev, shost);
return rv;
}
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8 changes: 4 additions & 4 deletions drivers/scsi/mpt3sas/mpt3sas_base.c
Original file line number Diff line number Diff line change
Expand Up @@ -1643,10 +1643,10 @@ _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index, u32 vector)
atomic_set(&reply_q->busy, 0);
if (ioc->msix_enable)
snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
MPT3SAS_DRIVER_NAME, ioc->id, index);
driver_name, ioc->id, index);
else
snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
MPT3SAS_DRIVER_NAME, ioc->id);
driver_name, ioc->id);
r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
reply_q);
if (r) {
Expand Down Expand Up @@ -1872,7 +1872,7 @@ mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc)


if (pci_request_selected_regions(pdev, ioc->bars,
MPT3SAS_DRIVER_NAME)) {
driver_name)) {
pr_warn(MPT3SAS_FMT "pci_request_selected_regions: failed\n",
ioc->name);
ioc->bars = 0;
Expand Down Expand Up @@ -4021,7 +4021,7 @@ _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
mpi_request.VF_ID = 0; /* TODO */
mpi_request.VP_ID = 0;
mpi_request.MsgVersion = cpu_to_le16(MPI25_VERSION);
mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged);
mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);

if (_base_is_controller_msix_enabled(ioc))
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3 changes: 3 additions & 0 deletions drivers/scsi/mpt3sas/mpt3sas_base.h
Original file line number Diff line number Diff line change
Expand Up @@ -870,6 +870,7 @@ struct MPT3SAS_ADAPTER {
MPT_BUILD_SG build_sg;
MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge;
u16 sge_size_ieee;
u16 hba_mpi_version_belonged;

/* function ptr for MPI sg elements only */
MPT_BUILD_SG build_sg_mpi;
Expand Down Expand Up @@ -1023,6 +1024,8 @@ typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,

/* base shared API */
extern struct list_head mpt3sas_ioc_list;
extern char driver_name[MPT_NAME_LENGTH];

void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc);
void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc);

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18 changes: 15 additions & 3 deletions drivers/scsi/mpt3sas/mpt3sas_ctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -1023,7 +1023,6 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
__func__));

memset(&karg, 0 , sizeof(karg));
karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3;
if (ioc->pfacts)
karg.port_number = ioc->pfacts[0].PortNumber;
karg.hw_rev = ioc->pdev->revision;
Expand All @@ -1035,9 +1034,22 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
karg.firmware_version = ioc->facts.FWVersion.Word;
strcpy(karg.driver_version, MPT3SAS_DRIVER_NAME);
strcpy(karg.driver_version, driver_name);
strcat(karg.driver_version, "-");
strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION);
switch (ioc->hba_mpi_version_belonged) {
case MPI2_VERSION:
karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
break;
case MPI25_VERSION:
karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3;
strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION);
break;
}
if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
else
strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION);
karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);

if (copy_to_user(arg, &karg, sizeof(karg))) {
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1 change: 1 addition & 0 deletions drivers/scsi/mpt3sas/mpt3sas_module.c
Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,7 @@ _mpt3sas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
if (!shost)
return -ENODEV;

sprintf(driver_name, "%s", MPT3SAS_DRIVER_NAME);
rv = scsih_probe(pdev, shost);
return rv;
}
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39 changes: 38 additions & 1 deletion drivers/scsi/mpt3sas/mpt3sas_scsih.c
Original file line number Diff line number Diff line change
Expand Up @@ -73,6 +73,7 @@ static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);

/* global parameters */
LIST_HEAD(mpt3sas_ioc_list);
char driver_name[MPT_NAME_LENGTH];

/* local parameters */
static u8 scsi_io_cb_idx = -1;
Expand Down Expand Up @@ -7924,6 +7925,39 @@ scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
return 1;
}

void
_scsih_determine_hba_mpi_version(struct MPT3SAS_ADAPTER *ioc) {

switch (ioc->pdev->device) {
case MPI2_MFGPAGE_DEVID_SAS2004:
case MPI2_MFGPAGE_DEVID_SAS2008:
case MPI2_MFGPAGE_DEVID_SAS2108_1:
case MPI2_MFGPAGE_DEVID_SAS2108_2:
case MPI2_MFGPAGE_DEVID_SAS2108_3:
case MPI2_MFGPAGE_DEVID_SAS2116_1:
case MPI2_MFGPAGE_DEVID_SAS2116_2:
case MPI2_MFGPAGE_DEVID_SAS2208_1:
case MPI2_MFGPAGE_DEVID_SAS2208_2:
case MPI2_MFGPAGE_DEVID_SAS2208_3:
case MPI2_MFGPAGE_DEVID_SAS2208_4:
case MPI2_MFGPAGE_DEVID_SAS2208_5:
case MPI2_MFGPAGE_DEVID_SAS2208_6:
case MPI2_MFGPAGE_DEVID_SAS2308_1:
case MPI2_MFGPAGE_DEVID_SAS2308_2:
case MPI2_MFGPAGE_DEVID_SAS2308_3:
ioc->hba_mpi_version_belonged = MPI2_VERSION;
break;
case MPI25_MFGPAGE_DEVID_SAS3004:
case MPI25_MFGPAGE_DEVID_SAS3008:
case MPI25_MFGPAGE_DEVID_SAS3108_1:
case MPI25_MFGPAGE_DEVID_SAS3108_2:
case MPI25_MFGPAGE_DEVID_SAS3108_5:
case MPI25_MFGPAGE_DEVID_SAS3108_6:
ioc->hba_mpi_version_belonged = MPI25_VERSION;
break;
}
}

/**
* scsih_probe - attach and add scsi host
* @pdev: PCI device struct
Expand All @@ -7944,7 +7978,7 @@ scsih_probe(struct pci_dev *pdev, struct Scsi_Host *shost)
list_add_tail(&ioc->list, &mpt3sas_ioc_list);
ioc->shost = shost;
ioc->id = mpt_ids++;
sprintf(ioc->name, "%s%d", MPT3SAS_DRIVER_NAME, ioc->id);

ioc->pdev = pdev;
ioc->scsi_io_cb_idx = scsi_io_cb_idx;
ioc->tm_cb_idx = tm_cb_idx;
Expand Down Expand Up @@ -7979,6 +8013,9 @@ scsih_probe(struct pci_dev *pdev, struct Scsi_Host *shost)
INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
INIT_LIST_HEAD(&ioc->reply_queue_list);

_scsih_determine_hba_mpi_version(ioc);
sprintf(ioc->name, "%s_cm%d", driver_name, ioc->id);

/* init shost parameters */
shost->max_cmd_len = 32;
shost->max_lun = max_lun;
Expand Down

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