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scsi: aacraid: Change phy luns function to use common bmic function

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Edit function that retrieves phy lun information to use common
bmic function

Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Raghava Aditya Renukunta 2017-12-26 20:34:31 -08:00 committed by Martin K. Petersen
parent 8fb391827f
commit 5480aa1837
3 changed files with 24 additions and 62 deletions
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73
drivers/scsi/aacraid/aachba.c
View file

@ -1853,66 +1853,37 @@ void aac_update_hba_map(struct aac_dev *dev,
/**
* aac_report_phys_luns() Process topology change
* @dev: aac_dev structure
* @fibptr: fib pointer
* @rescan: Indicates rescan
*
* Execute a CISS REPORT PHYS LUNS and process the results into
* the current hba_map.
*/
int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
int aac_report_phys_luns(struct aac_dev *dev, int rescan)
{
int fibsize, datasize;
struct aac_ciss_phys_luns_resp *phys_luns;
int rcode = -ENOMEM;
int datasize;
struct aac_srb *srbcmd;
struct sgmap64 *sg64;
dma_addr_t addr;
u32 vbus, vid;
int rcode = 0;
struct aac_srb_unit srbu;
struct aac_ciss_phys_luns_resp *phys_luns;
/* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
fibsize = sizeof(struct aac_srb) - sizeof(struct sgentry)
+ sizeof(struct sgentry64);
datasize = sizeof(struct aac_ciss_phys_luns_resp)
+ (AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
phys_luns = dma_alloc_coherent(&dev->pdev->dev, datasize, &addr,
GFP_KERNEL);
if (phys_luns == NULL) {
rcode = -ENOMEM;
datasize = sizeof(struct aac_ciss_phys_luns_resp) +
(AAC_MAX_TARGETS - 1) * sizeof(struct _ciss_lun);
phys_luns = kmalloc(datasize, GFP_KERNEL);
if (phys_luns == NULL)
goto err_out;
}
vbus = (u32) le16_to_cpu(
dev->supplement_adapter_info.virt_device_bus);
vid = (u32) le16_to_cpu(
dev->supplement_adapter_info.virt_device_target);
memset(&srbu, 0, sizeof(struct aac_srb_unit));
aac_fib_init(fibptr);
srbcmd = &srbu.srb;
srbcmd->flags = cpu_to_le32(SRB_DataIn);
srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
srbcmd->cdb[1] = 2; /* extended reporting */
srbcmd->cdb[8] = (u8)(datasize >> 8);
srbcmd->cdb[9] = (u8)(datasize);
srbcmd = (struct aac_srb *) fib_data(fibptr);
srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
srbcmd->channel = cpu_to_le32(vbus);
srbcmd->id = cpu_to_le32(vid);
srbcmd->lun = 0;
srbcmd->flags = cpu_to_le32(SRB_DataIn);
srbcmd->timeout = cpu_to_le32(10);
srbcmd->retry_limit = 0;
srbcmd->cdb_size = cpu_to_le32(12);
srbcmd->count = cpu_to_le32(datasize);
memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
srbcmd->cdb[0] = CISS_REPORT_PHYSICAL_LUNS;
srbcmd->cdb[1] = 2; /* extended reporting */
srbcmd->cdb[8] = (u8)(datasize >> 8);
srbcmd->cdb[9] = (u8)(datasize);
sg64 = (struct sgmap64 *) &srbcmd->sg;
sg64->count = cpu_to_le32(1);
sg64->sg[0].addr[1] = cpu_to_le32(upper_32_bits(addr));
sg64->sg[0].addr[0] = cpu_to_le32(lower_32_bits(addr));
sg64->sg[0].count = cpu_to_le32(datasize);
rcode = aac_fib_send(ScsiPortCommand64, fibptr, fibsize,
FsaNormal, 1, 1, NULL, NULL);
rcode = aac_send_safw_bmic_cmd(dev, &srbu, phys_luns, datasize);
if (unlikely(rcode < 0))
goto err_out;
/* analyse data */
if (rcode >= 0 && phys_luns->resp_flag == 2) {
@ -1920,7 +1891,7 @@ int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan)
aac_update_hba_map(dev, phys_luns, rescan);
}
dma_free_coherent(&dev->pdev->dev, datasize, phys_luns, addr);
kfree(phys_luns);
err_out:
return rcode;
}
@ -2030,7 +2001,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
if (!dev->sync_mode && dev->sa_firmware &&
dev->supplement_adapter_info.virt_device_bus != 0xffff) {
/* Thor SA Firmware -> CISS_REPORT_PHYSICAL_LUNS */
rcode = aac_report_phys_luns(dev, fibptr, AAC_INIT);
rcode = aac_report_phys_luns(dev, AAC_INIT);
}
if (!dev->in_reset) {

2
drivers/scsi/aacraid/aacraid.h
View file

@ -2639,7 +2639,7 @@ static inline int aac_adapter_check_health(struct aac_dev *dev)
int aac_acquire_irq(struct aac_dev *dev);
void aac_free_irq(struct aac_dev *dev);
int aac_report_phys_luns(struct aac_dev *dev, struct fib *fibptr, int rescan);
int aac_report_phys_luns(struct aac_dev *dev, int rescan);
const char *aac_driverinfo(struct Scsi_Host *);
void aac_fib_vector_assign(struct aac_dev *dev);
struct fib *aac_fib_alloc(struct aac_dev *dev);

11
drivers/scsi/aacraid/commsup.c
View file

@ -1919,7 +1919,6 @@ static void aac_handle_sa_aif(struct aac_dev *dev, struct fib *fibptr)
{
int i, bus, target, container, rcode = 0;
u32 events = 0;
struct fib *fib;
struct scsi_device *sdev;
if (fibptr->hbacmd_size & SA_AIF_HOTPLUG)
@ -1942,19 +1941,11 @@ static void aac_handle_sa_aif(struct aac_dev *dev, struct fib *fibptr)
case SA_AIF_LDEV_CHANGE:
case SA_AIF_BPCFG_CHANGE:
fib = aac_fib_alloc(dev);
if (!fib) {
pr_err("aac_handle_sa_aif: out of memory\n");
return;
}
for (bus = 0; bus < AAC_MAX_BUSES; bus++)
for (target = 0; target < AAC_MAX_TARGETS; target++)
dev->hba_map[bus][target].new_devtype = 0;
rcode = aac_report_phys_luns(dev, fib, AAC_RESCAN);
if (rcode != -ERESTARTSYS)
aac_fib_free(fib);
rcode = aac_report_phys_luns(dev, AAC_RESCAN);
aac_resolve_luns(dev);