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-rw-r--r--drivers/scsi/megaraid/megaraid_sas.h30
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c30
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c7
3 files changed, 62 insertions, 5 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index de7631c10065..ba6503f37756 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -197,6 +197,7 @@ enum MFI_CMD_OP {
MFI_CMD_ABORT = 0x6,
MFI_CMD_SMP = 0x7,
MFI_CMD_STP = 0x8,
+ MFI_CMD_NVME = 0x9,
MFI_CMD_OP_COUNT,
MFI_CMD_INVALID = 0xff
};
@@ -1352,7 +1353,13 @@ struct megasas_ctrl_info {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
- u16 reserved:8;
+ u16 reserved:2;
+ u16 support_nvme_passthru:1;
+ u16 support_pl_debug_info:1;
+ u16 support_flash_comp_info:1;
+ u16 support_host_info:1;
+ u16 support_dual_fw_update:1;
+ u16 support_ssc_rev3:1;
u16 fw_swaps_bbu_vpd_info:1;
u16 support_pd_map_target_id:1;
u16 support_ses_ctrl_in_multipathcfg:1;
@@ -1377,7 +1384,19 @@ struct megasas_ctrl_info {
* provide the data in little endian order
*/
u16 fw_swaps_bbu_vpd_info:1;
- u16 reserved:8;
+ u16 support_ssc_rev3:1;
+ /* FW supports CacheCade 3.0, only one SSCD creation allowed */
+ u16 support_dual_fw_update:1;
+ /* FW supports dual firmware update feature */
+ u16 support_host_info:1;
+ /* FW supports MR_DCMD_CTRL_HOST_INFO_SET/GET */
+ u16 support_flash_comp_info:1;
+ /* FW supports MR_DCMD_CTRL_FLASH_COMP_INFO_GET */
+ u16 support_pl_debug_info:1;
+ /* FW supports retrieval of PL debug information through apps */
+ u16 support_nvme_passthru:1;
+ /* FW supports NVMe passthru commands */
+ u16 reserved:2;
#endif
} adapter_operations4;
u8 pad[0x800 - 0x7FE]; /* 0x7FE pad to 2K for expansion */
@@ -1630,7 +1649,8 @@ union megasas_sgl_frame {
typedef union _MFI_CAPABILITIES {
struct {
#if defined(__BIG_ENDIAN_BITFIELD)
- u32 reserved:18;
+ u32 reserved:17;
+ u32 support_nvme_passthru:1;
u32 support_64bit_mode:1;
u32 support_pd_map_target_id:1;
u32 support_qd_throttling:1;
@@ -1660,7 +1680,8 @@ typedef union _MFI_CAPABILITIES {
u32 support_qd_throttling:1;
u32 support_pd_map_target_id:1;
u32 support_64bit_mode:1;
- u32 reserved:18;
+ u32 support_nvme_passthru:1;
+ u32 reserved:17;
#endif
} mfi_capabilities;
__le32 reg;
@@ -2268,6 +2289,7 @@ struct megasas_instance {
u32 nvme_page_size;
u8 adapter_type;
bool consistent_mask_64bit;
+ bool support_nvme_passthru;
};
struct MR_LD_VF_MAP {
u32 size;
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index d92279eec8f8..0f1d88f272be 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -181,6 +181,7 @@ static DECLARE_WAIT_QUEUE_HEAD(megasas_poll_wait);
static u32 support_poll_for_event;
u32 megasas_dbg_lvl;
static u32 support_device_change;
+static bool support_nvme_encapsulation;
/* define lock for aen poll */
spinlock_t poll_aen_lock;
@@ -3334,6 +3335,7 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
case MFI_CMD_SMP:
case MFI_CMD_STP:
+ case MFI_CMD_NVME:
megasas_complete_int_cmd(instance, cmd);
break;
@@ -4721,6 +4723,8 @@ megasas_get_ctrl_info(struct megasas_instance *instance)
ci->adapterOperations3.useSeqNumJbodFP;
instance->support_morethan256jbod =
ci->adapter_operations4.support_pd_map_target_id;
+ instance->support_nvme_passthru =
+ ci->adapter_operations4.support_nvme_passthru;
/*Check whether controller is iMR or MR */
instance->is_imr = (ci->memory_size ? 0 : 1);
@@ -4737,6 +4741,8 @@ megasas_get_ctrl_info(struct megasas_instance *instance)
instance->disableOnlineCtrlReset ? "Disabled" : "Enabled");
dev_info(&instance->pdev->dev, "Secure JBOD support\t: %s\n",
instance->secure_jbod_support ? "Yes" : "No");
+ dev_info(&instance->pdev->dev, "NVMe passthru support\t: %s\n",
+ instance->support_nvme_passthru ? "Yes" : "No");
break;
case DCMD_TIMEOUT:
@@ -7110,7 +7116,9 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
return -EINVAL;
}
- if (ioc->frame.hdr.cmd >= MFI_CMD_OP_COUNT) {
+ if ((ioc->frame.hdr.cmd >= MFI_CMD_OP_COUNT) ||
+ ((ioc->frame.hdr.cmd == MFI_CMD_NVME) &&
+ !instance->support_nvme_passthru)) {
dev_err(&instance->pdev->dev,
"Received invalid ioctl command 0x%x\n",
ioc->frame.hdr.cmd);
@@ -7580,6 +7588,14 @@ static ssize_t dbg_lvl_store(struct device_driver *dd, const char *buf,
}
static DRIVER_ATTR_RW(dbg_lvl);
+static ssize_t
+support_nvme_encapsulation_show(struct device_driver *dd, char *buf)
+{
+ return sprintf(buf, "%u\n", support_nvme_encapsulation);
+}
+
+static DRIVER_ATTR_RO(support_nvme_encapsulation);
+
static inline void megasas_remove_scsi_device(struct scsi_device *sdev)
{
sdev_printk(KERN_INFO, sdev, "SCSI device is removed\n");
@@ -7768,6 +7784,7 @@ static int __init megasas_init(void)
support_poll_for_event = 2;
support_device_change = 1;
+ support_nvme_encapsulation = true;
memset(&megasas_mgmt_info, 0, sizeof(megasas_mgmt_info));
@@ -7817,8 +7834,17 @@ static int __init megasas_init(void)
if (rval)
goto err_dcf_support_device_change;
+ rval = driver_create_file(&megasas_pci_driver.driver,
+ &driver_attr_support_nvme_encapsulation);
+ if (rval)
+ goto err_dcf_support_nvme_encapsulation;
+
return rval;
+err_dcf_support_nvme_encapsulation:
+ driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_support_device_change);
+
err_dcf_support_device_change:
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_dbg_lvl);
@@ -7851,6 +7877,8 @@ static void __exit megasas_exit(void)
driver_remove_file(&megasas_pci_driver.driver,
&driver_attr_release_date);
driver_remove_file(&megasas_pci_driver.driver, &driver_attr_version);
+ driver_remove_file(&megasas_pci_driver.driver,
+ &driver_attr_support_nvme_encapsulation);
pci_unregister_driver(&megasas_pci_driver);
unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl");
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 97fae28c8374..073ced07e662 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1079,6 +1079,7 @@ megasas_ioc_init_fusion(struct megasas_instance *instance)
drv_ops->mfi_capabilities.support_qd_throttling = 1;
drv_ops->mfi_capabilities.support_pd_map_target_id = 1;
+ drv_ops->mfi_capabilities.support_nvme_passthru = 1;
if (instance->consistent_mask_64bit)
drv_ops->mfi_capabilities.support_64bit_mode = 1;
@@ -3993,7 +3994,13 @@ void megasas_refire_mgmt_cmd(struct megasas_instance *instance)
result = RETURN_CMD;
break;
+ case MFI_CMD_NVME:
+ if (!instance->support_nvme_passthru) {
+ cmd_mfi->frame->hdr.cmd_status = MFI_STAT_INVALID_CMD;
+ result = COMPLETE_CMD;
+ }
+ break;
default:
break;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-12-04 04:43:44 +0000