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hisi_acc_vfio_pci: Add helper to retrieve the struct pci_driver

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struct pci_driver pointer is an input into the pci_iov_get_pf_drvdata().
Introduce helpers to retrieve the ACC PF dev struct pci_driver pointers
as we use this in ACC vfio migration driver.

Acked-by: Zhou Wang <wangzhou1@hisilicon.com>
Acked-by: Kai Ye <yekai13@huawei.com>
Acked-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Link: https://lore.kernel.org/r/20220308184902.2242-7-shameerali.kolothum.thodi@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Shameer Kolothum 2022-03-08 18:48:59 +00:00 committed by Alex Williamson
parent 6abdce51af
commit 442fbc099b
4 changed files with 23 additions and 0 deletions
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6
drivers/crypto/hisilicon/hpre/hpre_main.c
View File

@ -1190,6 +1190,12 @@ static struct pci_driver hpre_pci_driver = {
.driver.pm = &hpre_pm_ops,
};
struct pci_driver *hisi_hpre_get_pf_driver(void)
{
return &hpre_pci_driver;
}
EXPORT_SYMBOL_GPL(hisi_hpre_get_pf_driver);
static void hpre_register_debugfs(void)
{
if (!debugfs_initialized())

6
drivers/crypto/hisilicon/sec2/sec_main.c
View File

@ -1088,6 +1088,12 @@ static struct pci_driver sec_pci_driver = {
.driver.pm = &sec_pm_ops,
};
struct pci_driver *hisi_sec_get_pf_driver(void)
{
return &sec_pci_driver;
}
EXPORT_SYMBOL_GPL(hisi_sec_get_pf_driver);
static void sec_register_debugfs(void)
{
if (!debugfs_initialized())

6
drivers/crypto/hisilicon/zip/zip_main.c
View File

@ -1012,6 +1012,12 @@ static struct pci_driver hisi_zip_pci_driver = {
.driver.pm = &hisi_zip_pm_ops,
};
struct pci_driver *hisi_zip_get_pf_driver(void)
{
return &hisi_zip_pci_driver;
}
EXPORT_SYMBOL_GPL(hisi_zip_get_pf_driver);
static void hisi_zip_register_debugfs(void)
{
if (!debugfs_initialized())

5
include/linux/hisi_acc_qm.h
View File

@ -476,4 +476,9 @@ void hisi_qm_pm_init(struct hisi_qm *qm);
int hisi_qm_get_dfx_access(struct hisi_qm *qm);
void hisi_qm_put_dfx_access(struct hisi_qm *qm);
void hisi_qm_regs_dump(struct seq_file *s, struct debugfs_regset32 *regset);
/* Used by VFIO ACC live migration driver */
struct pci_driver *hisi_sec_get_pf_driver(void);
struct pci_driver *hisi_hpre_get_pf_driver(void);
struct pci_driver *hisi_zip_get_pf_driver(void);
#endif