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| author |   Shivasharan S <shivasharan.srikanteshwara@broadcom.com> | 2019-05-07 10:05:49 -0700 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-18 19:46:20 -0400 |
| commit | ba53572bf02da1836e5780e8c283c8e0cea714e2 (patch) | |
| tree | 70a685b6868e19372c90208edf9b01d0bf93c047 /drivers/scsi/megaraid/megaraid_sas_base.c | |
| parent | scsi: megaraid_sas: Fix MSI-X vector print (diff) | |
| download | linux-dev-ba53572bf02da1836e5780e8c283c8e0cea714e2.tar.xz linux-dev-ba53572bf02da1836e5780e8c283c8e0cea714e2.zip | |
scsi: megaraid_sas: Export RAID map through debugfs
Create a debugfs interface for megaraid_sas driver. Provide interface to
dump driver RAID map in debugfs.
Signed-off-by: Sumit Saxena <sumit.saxena@broadcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 555292e5ff27..3a9128ed304d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -188,6 +188,12 @@ static bool support_nvme_encapsulation; /* define lock for aen poll */ spinlock_t poll_aen_lock; +extern struct dentry *megasas_debugfs_root; +extern void megasas_init_debugfs(void); +extern void megasas_exit_debugfs(void); +extern void megasas_setup_debugfs(struct megasas_instance *instance); +extern void megasas_destroy_debugfs(struct megasas_instance *instance); + void megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd, u8 alt_status); @@ -7139,6 +7145,8 @@ static int megasas_probe_one(struct pci_dev *pdev, goto fail_start_aen; } + megasas_setup_debugfs(instance); + /* Get current SR-IOV LD/VF affiliation */ if (instance->requestorId) megasas_get_ld_vf_affiliation(instance, 1); @@ -7609,6 +7617,8 @@ skip_firing_dcmds: megasas_free_ctrl_mem(instance); + megasas_destroy_debugfs(instance); + scsi_host_put(host); pci_disable_device(pdev); @@ -8536,6 +8546,8 @@ static int __init megasas_init(void) megasas_mgmt_majorno = rval; + megasas_init_debugfs(); + /* * Register ourselves as PCI hotplug module */ @@ -8595,6 +8607,7 @@ err_dcf_rel_date: err_dcf_attr_ver: pci_unregister_driver(&megasas_pci_driver); err_pcidrv: + megasas_exit_debugfs(); unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); return rval; } @@ -8617,6 +8630,7 @@ static void __exit megasas_exit(void) &driver_attr_support_nvme_encapsulation); pci_unregister_driver(&megasas_pci_driver); + megasas_exit_debugfs(); unregister_chrdev(megasas_mgmt_majorno, "megaraid_sas_ioctl"); } |