From: Alexey Makhalov <alexey.makhalov@broadcom.com>
To: linux-kernel@vger.kernel.org, virtualization@lists.linux.dev,
bp@alien8.de, hpa@zytor.com, dave.hansen@linux.intel.com,
mingo@redhat.com, tglx@linutronix.de
Cc: x86@kernel.org, netdev@vger.kernel.org, richardcochran@gmail.com,
linux-input@vger.kernel.org, dmitry.torokhov@gmail.com,
zackr@vmware.com, linux-graphics-maintainer@vmware.com,
pv-drivers@vmware.com, namit@vmware.com, timothym@vmware.com,
akaher@vmware.com, jsipek@vmware.com,
dri-devel@lists.freedesktop.org, daniel@ffwll.ch,
airlied@gmail.com, tzimmermann@suse.de, mripard@kernel.org,
maarten.lankhorst@linux.intel.com, horms@kernel.org,
kirill.shutemov@linux.intel.com
Subject: [PATCH v4 3/6] ptp/vmware: Use VMware hypercall API
Date: Thu, 28 Dec 2023 11:24:18 -0800 [thread overview]
Message-ID: <20231228192421.29894-4-alexey.makhalov@broadcom.com> (raw)
In-Reply-To: <20231228192421.29894-1-alexey.makhalov@broadcom.com>
From: Alexey Makhalov <amakhalov@vmware.com>
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 | 12 +++---------
1 file changed, 3 insertions(+), 9 deletions(-)
diff --git a/drivers/ptp/ptp_vmw.c b/drivers/ptp/ptp_vmw.c
index 27c5547aa8a9..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)
@@ -24,15 +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) :
- "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;
--
2.39.0
next prev parent reply other threads:[~2023-12-28 19:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-28 19:24 [PATCH v4 0/6] VMware hypercalls enhancements Alexey Makhalov
2023-12-28 19:24 ` [PATCH v4 1/6] x86/vmware: Move common macros to vmware.h Alexey Makhalov
2023-12-28 19:24 ` [PATCH v4 2/6] x86/vmware: Introduce VMware hypercall API Alexey Makhalov
2024-01-03 16:24 ` Simon Horman
2023-12-28 19:24 ` Alexey Makhalov [this message]
2023-12-28 19:24 ` [PATCH v4 4/6] input/vmmouse: Use " Alexey Makhalov
2023-12-28 19:24 ` [PATCH v4 5/6] drm/vmwgfx: " Alexey Makhalov
2023-12-28 19:24 ` [PATCH v4 6/6] x86/vmware: Add TDX hypercall support Alexey Makhalov
2024-01-03 12:25 ` kirill.shutemov
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