15 static unsigned int wanted_max_vfs(struct xe_device *xe)  in wanted_max_vfs()  argument
20 static int pf_reduce_totalvfs(struct xe_device *xe, int limit)  in pf_reduce_totalvfs()  argument
22 	struct device *dev = xe->drm.dev;  in pf_reduce_totalvfs()
28 		xe_sriov_notice(xe, "Failed to set number of VFs to %d (%pe)\n",  in pf_reduce_totalvfs()
33 static bool pf_continue_as_native(struct xe_device *xe, const char *why)  in pf_continue_as_native()  argument
35 	xe_sriov_dbg(xe, "%s, continuing as native\n", why);  in pf_continue_as_native()
36 	pf_reduce_totalvfs(xe, 0);  in pf_continue_as_native()
42  * @xe: the &xe_device to check
49 bool xe_sriov_pf_readiness(struct xe_device *xe)  in xe_sriov_pf_readiness()  argument
51 	struct device *dev = xe->drm.dev;  in xe_sriov_pf_readiness()
54 	int newlimit = min_t(u16, wanted_max_vfs(xe), totalvfs);  in xe_sriov_pf_readiness()
56 	xe_assert(xe, totalvfs <= U16_MAX);  in xe_sriov_pf_readiness()
61 	if (!xe_device_uc_enabled(xe))  in xe_sriov_pf_readiness()
62 		return pf_continue_as_native(xe, "Guc submission disabled");  in xe_sriov_pf_readiness()
65 		return pf_continue_as_native(xe, "all VFs disabled");  in xe_sriov_pf_readiness()
67 	pf_reduce_totalvfs(xe, newlimit);  in xe_sriov_pf_readiness()
69 	xe->sriov.pf.device_total_vfs = totalvfs;  in xe_sriov_pf_readiness()
70 	xe->sriov.pf.driver_max_vfs = newlimit;  in xe_sriov_pf_readiness()
77  * @xe: the &xe_device to initialize
79  * Return: 0 on success or a negative error code on failure.
81 int xe_sriov_pf_init_early(struct xe_device *xe)  in xe_sriov_pf_init_early()  argument
83 	xe_assert(xe, IS_SRIOV_PF(xe));  in xe_sriov_pf_init_early()
85 	return drmm_mutex_init(&xe->drm, &xe->sriov.pf.master_lock);  in xe_sriov_pf_init_early()
90  * @xe: the &xe_device to print info from
95 void xe_sriov_pf_print_vfs_summary(struct xe_device *xe, struct drm_printer *p)  in xe_sriov_pf_print_vfs_summary()  argument
97 	struct pci_dev *pdev = to_pci_dev(xe->drm.dev);  in xe_sriov_pf_print_vfs_summary()
99 	xe_assert(xe, IS_SRIOV_PF(xe));  in xe_sriov_pf_print_vfs_summary()
101 	drm_printf(p, "total: %u\n", xe->sriov.pf.device_total_vfs);  in xe_sriov_pf_print_vfs_summary()
102 	drm_printf(p, "supported: %u\n", xe->sriov.pf.driver_max_vfs);  in xe_sriov_pf_print_vfs_summary()