11 #include <linux/dca.h>
25  * contain the bit number of the APIC ID to map into the DCA tag.  If the valid
44  * "Legacy" DCA systems do not implement the DCA register set in the
59 	/* CPUID level 9 returns DCA configuration */  in dca_enabled_in_bios()
60 	/* Bit 0 indicates DCA enabled by the BIOS */  in dca_enabled_in_bios()
67 		dev_dbg(&pdev->dev, "DCA is disabled in BIOS\n");  in dca_enabled_in_bios()
98 static int ioat_dca_dev_managed(struct dca_provider *dca,  in ioat_dca_dev_managed()  argument
101 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_dev_managed()
113 static int ioat_dca_add_requester(struct dca_provider *dca, struct device *dev)  in ioat_dca_add_requester()  argument
115 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_add_requester()
147 static int ioat_dca_remove_requester(struct dca_provider *dca,  in ioat_dca_remove_requester()  argument
150 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_remove_requester()
174 static u8 ioat_dca_get_tag(struct dca_provider *dca,  in ioat_dca_get_tag()  argument
180 	struct ioat_dca_priv *ioatdca = dca_priv(dca);  in ioat_dca_get_tag()
237 	 * 0x1F and 0x00.  0x00 is an invalid DCA tag so we know that  in dca3_tag_map_invalid()
249 	struct dca_provider *dca;  in ioat_dca_init()  local
278 	dca = alloc_dca_provider(&ioat_dca_ops,  in ioat_dca_init()
280 	if (!dca)  in ioat_dca_init()
283 	ioatdca = dca_priv(dca);  in ioat_dca_init()
305 	/* copy out the APIC to DCA tag map */  in ioat_dca_init()
317 		pr_warn_once("%s %s: APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n",  in ioat_dca_init()
320 		free_dca_provider(dca);  in ioat_dca_init()
324 	err = register_dca_provider(dca, &pdev->dev);  in ioat_dca_init()
326 		free_dca_provider(dca);  in ioat_dca_init()
330 	return dca;  in ioat_dca_init()