[PATCH V2 12/13] pm80xx : Introduce read and write length for IOCTL payload structure.

Deepak Ukey
2020-01-17T07:10:55Z

From: Viswas G <Viswas.G@microchip.com>

Removed the common length and introduce read and write length for
IOCTL payload structure.

Signed-off-by: Deepak Ukey <deepak.ukey@microchip.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Radha Ramachandran <radha@google.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
---
drivers/scsi/pm8001/pm8001_ctl.c | 6 +++---
drivers/scsi/pm8001/pm8001_hwi.c | 22 +++++++++++-----------
drivers/scsi/pm8001/pm8001_init.c | 12 ++++++------
drivers/scsi/pm8001/pm8001_sas.h | 3 ++-
4 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index 9fce19024945..887a15ee69f6 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -486,7 +486,7 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
pm8001_ha->nvmd_completion = &completion;
payload.minor_function = 7;
payload.offset = 0;
- payload.length = 4096;
+ payload.rd_length = 4096;
payload.func_specific = kzalloc(4096, GFP_KERNEL);
if (!payload.func_specific)
return -ENOMEM;
@@ -697,7 +697,7 @@ static int pm8001_set_nvmd(struct pm8001_hba_info *pm8001_ha)
payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
memcpy((u8 *)&payload->func_specific, (u8 *)pm8001_ha->fw_image->data,
pm8001_ha->fw_image->size);
- payload->length = pm8001_ha->fw_image->size;
+ payload->wr_length = pm8001_ha->fw_image->size;
payload->id = 0;
payload->minor_function = 0x1;
pm8001_ha->nvmd_completion = &completion;
@@ -743,7 +743,7 @@ static int pm8001_update_flash(struct pm8001_hba_info *pm8001_ha)
IOCTL_BUF_SIZE);
for (loopNumber = 0; loopNumber < loopcount; loopNumber++) {
payload = (struct pm8001_ioctl_payload *)ioctlbuffer;
- payload->length = 1024*16;
+ payload->wr_length = 1024*16;
payload->id = 0;
fwControl =
(struct fw_control_info *)&payload->func_specific;
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index f9395d9fd530..16dc7a92ad68 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -4841,7 +4841,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
if (!fw_control_context)
return -ENOMEM;
fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
- fw_control_context->len = ioctl_payload->length;
+ fw_control_context->len = ioctl_payload->rd_length;
circularQ = &pm8001_ha->inbnd_q_tbl[0];
memset(&nvmd_req, 0, sizeof(nvmd_req));
rc = pm8001_tag_alloc(pm8001_ha, &tag);
@@ -4862,7 +4862,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,

nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
twi_page_size << 8 | TWI_DEVICE);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
nvmd_req.resp_addr_lo =
@@ -4871,7 +4871,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
}
case C_SEEPROM: {
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
nvmd_req.resp_addr_lo =
@@ -4880,7 +4880,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
}
case VPD_FLASH: {
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
nvmd_req.resp_addr_lo =
@@ -4889,7 +4889,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
}
case EXPAN_ROM: {
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
nvmd_req.resp_addr_lo =
@@ -4898,7 +4898,7 @@ int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
}
case IOP_RDUMP: {
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
@@ -4938,7 +4938,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
circularQ = &pm8001_ha->inbnd_q_tbl[0];
memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
&ioctl_payload->func_specific,
- ioctl_payload->length);
+ ioctl_payload->wr_length);
memset(&nvmd_req, 0, sizeof(nvmd_req));
rc = pm8001_tag_alloc(pm8001_ha, &tag);
if (rc) {
@@ -4957,7 +4957,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
twi_page_size << 8 | TWI_DEVICE);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
nvmd_req.resp_addr_lo =
@@ -4966,7 +4966,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
}
case C_SEEPROM:
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
@@ -4975,7 +4975,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
break;
case VPD_FLASH:
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
@@ -4984,7 +4984,7 @@ int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
break;
case EXPAN_ROM:
nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
- nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+ nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
nvmd_req.resp_addr_hi =
cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index b74282bc1ed0..6e037638656d 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -643,22 +643,22 @@ static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
if (pm8001_ha->chip_id == chip_8001) {
if (deviceid == 0x8081 || deviceid == 0x0042) {
payload.minor_function = 4;
- payload.length = 4096;
+ payload.rd_length = 4096;
} else {
payload.minor_function = 0;
- payload.length = 128;
+ payload.rd_length = 128;
}
} else if ((pm8001_ha->chip_id == chip_8070 ||
pm8001_ha->chip_id == chip_8072) &&
pm8001_ha->pdev->subsystem_vendor == PCI_VENDOR_ID_ATTO) {
payload.minor_function = 4;
- payload.length = 4096;
+ payload.rd_length = 4096;
} else {
payload.minor_function = 1;
- payload.length = 4096;
+ payload.rd_length = 4096;
}
payload.offset = 0;
- payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
+ payload.func_specific = kzalloc(payload.rd_length, GFP_KERNEL);
if (!payload.func_specific) {
PM8001_INIT_DBG(pm8001_ha, pm8001_printk("mem alloc fail\n"));
return;
@@ -728,7 +728,7 @@ static int pm8001_get_phy_settings_info(struct pm8001_hba_info *pm8001_ha)
/* SAS ADDRESS read from flash / EEPROM */
payload.minor_function = 6;
payload.offset = 0;
- payload.length = 4096;
+ payload.rd_length = 4096;
payload.func_specific = kzalloc(4096, GFP_KERNEL);
if (!payload.func_specific)
return -ENOMEM;
diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h
index ae5f880dd9bb..13d7813b8d74 100644
--- a/drivers/scsi/pm8001/pm8001_sas.h
+++ b/drivers/scsi/pm8001/pm8001_sas.h
@@ -164,10 +164,11 @@ struct pm8001_ioctl_payload {
u32 signature;
u16 major_function;
u16 minor_function;
- u16 length;
u16 status;
u16 offset;
u16 id;
+ u32 wr_length;
+ u32 rd_length;
u8 *func_specific;
};

--
2.16.3