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[intelxl] Allow for virtual function admin queue register maps

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The register map for the virtual functions appears to have been
constructed using a random number generator.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2019-03-22 15:04:12 +00:00
parent c901b5ca45
commit c5ccfe79cf
2 changed files with 59 additions and 21 deletions
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33
src/drivers/net/intelxl.h
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@@ -53,6 +53,24 @@ struct intelxl_nic;
/** Admin Queue Tail Register (offset) */
#define INTELXL_ADMIN_TAIL 0x400
/** Admin queue register offsets
*
* The physical and virtual function register maps have no discernible
* relationship.
*/
struct intelxl_admin_offsets {
/** Base Address Low Register offset */
unsigned int bal;
/** Base Address High Register offset */
unsigned int bah;
/** Length Register offset */
unsigned int len;
/** Head Register offset */
unsigned int head;
/** Tail Register offset */
unsigned int tail;
};
/** Admin queue data buffer command parameters */
struct intelxl_admin_buffer_params {
/** Reserved */
@@ -343,8 +361,10 @@ struct intelxl_admin {
/** Queue index */
unsigned int index;
/** Register block */
unsigned int reg;
/** Register block base */
unsigned int base;
/** Register offsets */
const struct intelxl_admin_offsets *regs;
/** Data buffer */
union intelxl_admin_buffer *buffer;
};
@@ -353,12 +373,15 @@ struct intelxl_admin {
* Initialise admin queue
*
* @v admin Admin queue
* @v reg Register block
* @v base Register block base
* @v regs Register offsets
*/
static inline __attribute__ (( always_inline )) void
intelxl_init_admin ( struct intelxl_admin *admin, unsigned int reg ) {
intelxl_init_admin ( struct intelxl_admin *admin, unsigned int base,
const struct intelxl_admin_offsets *regs ) {
admin->reg = reg;
admin->base = base;
admin->regs = regs;
}
/** Number of admin queue descriptors */