diff mbox series

[v5,3/7] ptp/vmware: Use VMware hypercall API

Message ID 20240109051017.58167-4-amakhalov@vmware.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series VMware hypercalls enhancements | expand

Checks

Context Check Description
netdev/series_format success Posting correctly formatted
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit fail Errors and warnings before: 22 this patch: 22
netdev/cc_maintainers success CCed 0 of 0 maintainers
netdev/build_clang success Errors and warnings before: 1108 this patch: 1108
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 1108 this patch: 1108
netdev/checkpatch warning WARNING: From:/Signed-off-by: email address mismatch: 'From: Alexey Makhalov <alexey.makhalov@broadcom.com>' != 'Signed-off-by: Alexey Makhalov <amakhalov@vmware.com>'
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Alexey Makhalov Jan. 9, 2024, 5:10 a.m. UTC 
Switch from VMWARE_HYPERCALL macro to vmware_hypercall API.
Eliminate arch specific code. No functional changes intended.

Signed-off-by: Alexey Makhalov <amakhalov@vmware.com>
Reviewed-by: Nadav Amit <namit@vmware.com>
Reviewed-by: Jeff Sipek <jsipek@vmware.com>
---
 drivers/ptp/ptp_vmw.c | 14 +++-----------
 1 file changed, 3 insertions(+), 11 deletions(-)
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Patch

diff --git a/drivers/ptp/ptp_vmw.c b/drivers/ptp/ptp_vmw.c
index 279d191d2df9..e5bb521b9b82 100644
--- a/drivers/ptp/ptp_vmw.c
+++ b/drivers/ptp/ptp_vmw.c
@@ -14,7 +14,6 @@ 
 #include <asm/hypervisor.h>
 #include <asm/vmware.h>
 
-#define VMWARE_MAGIC 0x564D5868
 #define VMWARE_CMD_PCLK(nr) ((nr << 16) | 97)
 #define VMWARE_CMD_PCLK_GETTIME VMWARE_CMD_PCLK(0)
 
@@ -24,17 +23,10 @@  static struct ptp_clock *ptp_vmw_clock;
 
 static int ptp_vmw_pclk_read(u64 *ns)
 {
-	u32 ret, nsec_hi, nsec_lo, unused1, unused2, unused3;
-
-	asm volatile (VMWARE_HYPERCALL :
-		"=a"(ret), "=b"(nsec_hi), "=c"(nsec_lo), "=d"(unused1),
-		"=S"(unused2), "=D"(unused3) :
-		[port] "i" (VMWARE_HYPERVISOR_PORT),
-		[mode] "m" (vmware_hypercall_mode),
-		"a"(VMWARE_MAGIC), "b"(0),
-		"c"(VMWARE_CMD_PCLK_GETTIME), "d"(0) :
-		"memory");
+	u32 ret, nsec_hi, nsec_lo;
 
+	ret = vmware_hypercall3(VMWARE_CMD_PCLK_GETTIME, 0,
+				&nsec_hi, &nsec_lo);
 	if (ret == 0)
 		*ns = ((u64)nsec_hi << 32) | nsec_lo;
 	return ret;