Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / mca.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/mca.h b/qemu/roms/ipxe/src/include/ipxe/mca.h
new file mode 100644 (file)
index 0000000..d86dab1
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/mca.h
@@ -0,0 +1,106 @@
+/*
+ * MCA bus driver code
+ *
+ * Abstracted from 3c509.c.
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#ifndef MCA_H
+#define MCA_H
+
+#include <ipxe/isa_ids.h>
+#include <ipxe/device.h>
+#include <ipxe/tables.h>
+
+/*
+ * MCA constants
+ *
+ */
+#define MCA_MOTHERBOARD_SETUP_REG      0x94
+#define MCA_ADAPTER_SETUP_REG          0x96
+#define MCA_MAX_SLOT_NR                        0x07    /* Must be 2^n - 1 */
+#define MCA_POS_REG(n)                 (0x100+(n))
+
+/* Is there a standard that would define this? */
+#define GENERIC_MCA_VENDOR ISA_VENDOR ( 'M', 'C', 'A' )
+
+/** An MCA device ID list entry */
+struct mca_device_id {
+       /** Name */
+        const char *name;
+       /** Device ID */
+       uint16_t id;
+};
+
+/** An MCA device */
+struct mca_device {
+       /** Generic device */
+       struct device dev;
+       /** Slot number */
+       unsigned int slot;
+       /** POS register values */
+       unsigned char pos[8];
+       /** Driver for this device */
+       struct mca_driver *driver;
+       /** Driver-private data
+        *
+        * Use mca_set_drvdata() and mca_get_drvdata() to access
+        * this field.
+        */
+       void *priv;
+};
+
+#define MCA_ID(mca) ( ( (mca)->pos[1] << 8 ) + (mca)->pos[0] )
+
+/** An MCA driver */
+struct mca_driver {
+       /** MCA ID table */
+       struct mca_device_id *ids;
+       /** Number of entries in MCA ID table */
+       unsigned int id_count;
+       /**
+        * Probe device
+        *
+        * @v mca       MCA device
+        * @v id        Matching entry in ID table
+        * @ret rc      Return status code
+        */
+       int ( * probe ) ( struct mca_device *mca,
+                         const struct mca_device_id *id );
+       /**
+        * Remove device
+        *
+        * @v mca       MCA device
+        */
+       void ( * remove ) ( struct mca_device *mca );
+};
+
+/** MCA driver table */
+#define MCA_DRIVERS __table ( struct mca_driver, "mca_drivers" )
+
+/** Declare an MCA driver */
+#define __mca_driver __table_entry ( MCA_DRIVERS, 01 )
+
+/**
+ * Set MCA driver-private data
+ *
+ * @v mca              MCA device
+ * @v priv             Private data
+ */
+static inline void mca_set_drvdata ( struct mca_device *mca, void *priv ) {
+       mca->priv = priv;
+}
+
+/**
+ * Get MCA driver-private data
+ *
+ * @v mca              MCA device
+ * @ret priv           Private data
+ */
+static inline void * mca_get_drvdata ( struct mca_device *mca ) {
+       return mca->priv;
+}
+
+#endif