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authorAndrew Banman <abanman@hpe.com>2017-03-09 17:42:09 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-03-13 14:26:28 +0100
commit491bd88cdb256cdabd25362b923d94ab80cf72c9 (patch)
tree2a020dafd14b0f07298d35ebf28a7781d1456a0b /arch/x86
parentLinux 4.11-rc2 (diff)
downloadlinux-491bd88cdb256cdabd25362b923d94ab80cf72c9.tar.xz
linux-491bd88cdb256cdabd25362b923d94ab80cf72c9.zip
x86/platform/uv/BAU: Add uv_bau_version enumerated constants
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>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/uv/uv_bau.h7
-rw-r--r--arch/x86/platform/uv/tlb_uv.c16
2 files changed, 15 insertions, 8 deletions
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 57ab86d94d64..768093f49354 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -185,6 +185,13 @@
#define MSG_REGULAR 1
#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)
* If the 'multilevel' flag in the header portion of the descriptor
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index f25982cdff90..f4f5aa61755b 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -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);
}
- if (bcp->uvhub_version == 1)
+ if (bcp->uvhub_version == UV_BAU_V1)
return uv1_wait_completion(bau_desc, mmr_offset, right_shift, bcp, try);
else
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 uv2_3_bau_msg_header *uv2_3_hdr = NULL;
- if (bcp->uvhub_version == 1) {
+ if (bcp->uvhub_version == UV_BAU_V1) {
uv1 = 1;
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 = msg;
- if (bcp->uvhub_version == 2)
+ if (bcp->uvhub_version == UV_BAU_V2)
process_uv2_message(&msgdesc, bcp);
else
/* 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.
*/
bcp = &per_cpu(bau_control, smp_processor_id());
- if (bcp->uvhub_version <= 3) {
+ if (bcp->uvhub_version <= UV_BAU_V3) {
tail = first;
gnode = uv_gpa_to_gnode(uv_gpa(pqp));
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->uvhub = bdp->uvhub;
if (is_uv1_hub())
- bcp->uvhub_version = 1;
+ bcp->uvhub_version = UV_BAU_V1;
else if (is_uv2_hub())
- bcp->uvhub_version = 2;
+ bcp->uvhub_version = UV_BAU_V2;
else if (is_uv3_hub())
- bcp->uvhub_version = 3;
+ bcp->uvhub_version = UV_BAU_V3;
else if (is_uv4_hub())
- bcp->uvhub_version = 4;
+ bcp->uvhub_version = UV_BAU_V4;
else {
pr_emerg("uvhub version not 1, 2, 3, or 4\n");
return 1;