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x86/platform/uv/BAU: Add uv_bau_version enumerated constants

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Define enumerated constants for each UV hub version and replace magic
numbers with the appropriate constant.

Signed-off-by: Andrew Banman <abanman@hpe.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Cc: sivanich@hpe.com
Cc: rja@hpe.com
Cc: mike.travis@hpe.com
Cc: akpm@linux-foundation.org
Link: http://lkml.kernel.org/r/1489077734-111753-2-git-send-email-abanman@hpe.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andrew Banman 2017-03-09 10:42:09 -06:00 committed by Thomas Gleixner
parent 4495c08e84
commit 491bd88cdb
2 changed files with 15 additions and 8 deletions
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7
arch/x86/include/asm/uv/uv_bau.h
View File

@ -185,6 +185,13 @@
#define MSG_REGULAR 1 #define MSG_REGULAR 1
#define MSG_RETRY 2 #define MSG_RETRY 2
enum uv_bau_version {
UV_BAU_V1 = 1,
UV_BAU_V2,
UV_BAU_V3,
UV_BAU_V4,
};
/* /*
* Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor) * Distribution: 32 bytes (256 bits) (bytes 0-0x1f of descriptor)
* If the 'multilevel' flag in the header portion of the descriptor * If the 'multilevel' flag in the header portion of the descriptor

16
arch/x86/platform/uv/tlb_uv.c
View File

@ -724,7 +724,7 @@ static int wait_completion(struct bau_desc *bau_desc, struct bau_control *bcp, l
right_shift = ((desc - UV_CPUS_PER_AS) * UV_ACT_STATUS_SIZE); right_shift = ((desc - UV_CPUS_PER_AS) * UV_ACT_STATUS_SIZE);
} }
if (bcp->uvhub_version == 1) if (bcp->uvhub_version == UV_BAU_V1)
return uv1_wait_completion(bau_desc, mmr_offset, right_shift, bcp, try); return uv1_wait_completion(bau_desc, mmr_offset, right_shift, bcp, try);
else else
return uv2_3_wait_completion(bau_desc, mmr_offset, right_shift, bcp, try); return uv2_3_wait_completion(bau_desc, mmr_offset, right_shift, bcp, try);
@ -918,7 +918,7 @@ int uv_flush_send_and_wait(struct cpumask *flush_mask, struct bau_control *bcp,
struct uv1_bau_msg_header *uv1_hdr = NULL; struct uv1_bau_msg_header *uv1_hdr = NULL;
struct uv2_3_bau_msg_header *uv2_3_hdr = NULL; struct uv2_3_bau_msg_header *uv2_3_hdr = NULL;
if (bcp->uvhub_version == 1) { if (bcp->uvhub_version == UV_BAU_V1) {
uv1 = 1; uv1 = 1;
uv1_throttle(hmaster, stat); uv1_throttle(hmaster, stat);
} }
@ -1296,7 +1296,7 @@ void uv_bau_message_interrupt(struct pt_regs *regs)
msgdesc.msg_slot = msg - msgdesc.queue_first; msgdesc.msg_slot = msg - msgdesc.queue_first;
msgdesc.msg = msg; msgdesc.msg = msg;
if (bcp->uvhub_version == 2) if (bcp->uvhub_version == UV_BAU_V2)
process_uv2_message(&msgdesc, bcp); process_uv2_message(&msgdesc, bcp);
else else
/* no error workaround for uv1 or uv3 */ /* no error workaround for uv1 or uv3 */
@ -1838,7 +1838,7 @@ static void pq_init(int node, int pnode)
* and the payload queue tail must be maintained by the kernel. * and the payload queue tail must be maintained by the kernel.
*/ */
bcp = &per_cpu(bau_control, smp_processor_id()); bcp = &per_cpu(bau_control, smp_processor_id());
if (bcp->uvhub_version <= 3) { if (bcp->uvhub_version <= UV_BAU_V3) {
tail = first; tail = first;
gnode = uv_gpa_to_gnode(uv_gpa(pqp)); gnode = uv_gpa_to_gnode(uv_gpa(pqp));
first = (gnode << UV_PAYLOADQ_GNODE_SHIFT) | tail; first = (gnode << UV_PAYLOADQ_GNODE_SHIFT) | tail;
@ -2052,13 +2052,13 @@ static int scan_sock(struct socket_desc *sdp, struct uvhub_desc *bdp,
bcp->socket_master = *smasterp; bcp->socket_master = *smasterp;
bcp->uvhub = bdp->uvhub; bcp->uvhub = bdp->uvhub;
if (is_uv1_hub()) if (is_uv1_hub())
bcp->uvhub_version = 1; bcp->uvhub_version = UV_BAU_V1;
else if (is_uv2_hub()) else if (is_uv2_hub())
bcp->uvhub_version = 2; bcp->uvhub_version = UV_BAU_V2;
else if (is_uv3_hub()) else if (is_uv3_hub())
bcp->uvhub_version = 3; bcp->uvhub_version = UV_BAU_V3;
else if (is_uv4_hub()) else if (is_uv4_hub())
bcp->uvhub_version = 4; bcp->uvhub_version = UV_BAU_V4;
else { else {
pr_emerg("uvhub version not 1, 2, 3, or 4\n"); pr_emerg("uvhub version not 1, 2, 3, or 4\n");
return 1; return 1;