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scsi: smartpqi: Add support for new product ids

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Add support for newer hardware by adding in a product identifier. This
identifier can then be used to check for the hardware generation.

Link: https://lore.kernel.org/r/161549370966.25025.2968242206975557607.stgit@brunhilda
Reviewed-by: Scott Benesh <scott.benesh@microchip.com>
Reviewed-by: Mike McGowen <mike.mcgowen@microchip.com>
Reviewed-by: Scott Teel <scott.teel@microchip.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Signed-off-by: Kevin Barnett <kevin.barnett@microchip.com>
Signed-off-by: Don Brace <don.brace@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Kevin Barnett 2021-03-11 14:15:09 -06:00 committed by Martin K. Petersen
parent b622a601a1
commit 2708a25643
4 changed files with 23 additions and 1 deletions
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11
drivers/scsi/smartpqi/smartpqi.h
View File

@ -79,7 +79,8 @@ struct pqi_ctrl_registers {
__le32 sis_ctrl_to_host_doorbell_clear; /* A0h */
u8 reserved4[0xb0 - (0xa0 + sizeof(__le32))];
__le32 sis_driver_scratch; /* B0h */
u8 reserved5[0xbc - (0xb0 + sizeof(__le32))];
__le32 sis_product_identifier; /* B4h */
u8 reserved5[0xbc - (0xb4 + sizeof(__le32))];
__le32 sis_firmware_status; /* BCh */
u8 reserved6[0x1000 - (0xbc + sizeof(__le32))];
__le32 sis_mailbox[8]; /* 1000h */
@ -585,6 +586,7 @@ struct pqi_raid_error_info {
/* these values are defined by the PQI spec */
#define PQI_MAX_NUM_ELEMENTS_ADMIN_QUEUE 255
#define PQI_MAX_NUM_ELEMENTS_OPERATIONAL_QUEUE 65535
#define PQI_QUEUE_ELEMENT_ARRAY_ALIGNMENT 64
#define PQI_QUEUE_ELEMENT_LENGTH_ALIGNMENT 16
#define PQI_ADMIN_INDEX_ALIGNMENT 64
@ -1082,6 +1084,11 @@ struct pqi_event {
(PQI_RESERVED_IO_SLOTS_LUN_RESET + PQI_RESERVED_IO_SLOTS_EVENT_ACK + \
PQI_RESERVED_IO_SLOTS_SYNCHRONOUS_REQUESTS)
#define PQI_CTRL_PRODUCT_ID_GEN1 0
#define PQI_CTRL_PRODUCT_ID_GEN2 7
#define PQI_CTRL_PRODUCT_REVISION_A 0
#define PQI_CTRL_PRODUCT_REVISION_B 1
struct pqi_ctrl_info {
unsigned int ctrl_id;
struct pci_dev *pci_dev;
@ -1089,6 +1096,8 @@ struct pqi_ctrl_info {
char serial_number[17];
char model[17];
char vendor[9];
u8 product_id;
u8 product_revision;
void __iomem *iomem_base;
struct pqi_ctrl_registers __iomem *registers;
struct pqi_device_registers __iomem *pqi_registers;

7
drivers/scsi/smartpqi/smartpqi_init.c
View File

@ -7151,6 +7151,7 @@ static int pqi_force_sis_mode(struct pqi_ctrl_info *ctrl_info)
static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info)
{
int rc;
u32 product_id;
if (reset_devices) {
sis_soft_reset(ctrl_info);
@ -7187,6 +7188,10 @@ static int pqi_ctrl_init(struct pqi_ctrl_info *ctrl_info)
return rc;
}
product_id = sis_get_product_id(ctrl_info);
ctrl_info->product_id = (u8)product_id;
ctrl_info->product_revision = (u8)(product_id >> 8);
if (reset_devices) {
if (ctrl_info->max_outstanding_requests >
PQI_MAX_OUTSTANDING_REQUESTS_KDUMP)
@ -8607,6 +8612,8 @@ static void __attribute__((unused)) verify_structures(void)
sis_ctrl_to_host_doorbell_clear) != 0xa0);
BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
sis_driver_scratch) != 0xb0);
BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
sis_product_identifier) != 0xb4);
BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,
sis_firmware_status) != 0xbc);
BUILD_BUG_ON(offsetof(struct pqi_ctrl_registers,

5
drivers/scsi/smartpqi/smartpqi_sis.c
View File

@ -149,6 +149,11 @@ bool sis_is_kernel_up(struct pqi_ctrl_info *ctrl_info)
SIS_CTRL_KERNEL_UP;
}
u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info)
{
return readl(&ctrl_info->registers->sis_product_identifier);
}
/* used for passing command parameters/results when issuing SIS commands */
struct sis_sync_cmd_params {
u32 mailbox[6]; /* mailboxes 0-5 */

1
drivers/scsi/smartpqi/smartpqi_sis.h
View File

@ -27,5 +27,6 @@ int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info);
void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value);
u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info);
void sis_soft_reset(struct pqi_ctrl_info *ctrl_info);
u32 sis_get_product_id(struct pqi_ctrl_info *ctrl_info);
#endif /* _SMARTPQI_SIS_H */