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scsi: mpt3sas: Report driver capability as part of IOCINFO command 

Add a new capability field to report the MCTP passthrough support to
applications.

Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Link: https://lore.kernel.org/r/1739410016-27503-4-git-send-email-shivasharan.srikanteshwara@broadcom.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Shivasharan S 2025-02-12 17:26:54 -08:00 committed by Martin K. Petersen
parent c72be4b5bb
commit 8c2465e202
2 changed files with 8 additions and 1 deletions
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2
drivers/scsi/mpt3sas/mpt3sas_ctl.c
View File

@ -1254,6 +1254,8 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg)
}
karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
karg.driver_capability |= MPT3_IOCTL_IOCINFO_DRIVER_CAP_MCTP_PASSTHRU;
if (copy_to_user(arg, &karg, sizeof(karg))) {
pr_err("failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);

7
drivers/scsi/mpt3sas/mpt3sas_ctl.h
View File

@ -160,6 +160,9 @@ struct mpt3_ioctl_pci_info {
#define MPT3_IOCTL_INTERFACE_SAS35 (0x07)
#define MPT2_IOCTL_VERSION_LENGTH (32)
/* Bits set for mpt3_ioctl_iocinfo.driver_cap */
#define MPT3_IOCTL_IOCINFO_DRIVER_CAP_MCTP_PASSTHRU 0x1
/**
* struct mpt3_ioctl_iocinfo - generic controller info
* @hdr - generic header
@ -175,6 +178,7 @@ struct mpt3_ioctl_pci_info {
* @driver_version - driver version - 32 ASCII characters
* @rsvd1 - reserved
* @scsi_id - scsi id of adapter 0
* @driver_capability - driver capabilities
* @rsvd2 - reserved
* @pci_information - pci info (2nd revision)
*/
@ -192,7 +196,8 @@ struct mpt3_ioctl_iocinfo {
uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
uint8_t rsvd1;
uint8_t scsi_id;
uint16_t rsvd2;
uint8_t driver_capability;
uint8_t rsvd2;
struct mpt3_ioctl_pci_info pci_information;
};