[PATCH v9 4/8] ptp/vmware: Use VMware hypercall API
From: Alexey Makhalov <alexey.makhalov@broadcom.com>
Date: 2024-05-06 21:53:47
Also in:
dri-devel, linux-input, lkml, virtualization
Subsystem:
networking drivers, ptp hardware clock support, the rest, vmware virtual ptp clock driver · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Richard Cochran, Linus Torvalds, Nick Shi
Switch from VMWARE_HYPERCALL macro to vmware_hypercall API. Eliminate arch specific code. No functional changes intended. Signed-off-by: Alexey Makhalov <alexey.makhalov@broadcom.com> Reviewed-by: Nadav Amit <redacted> Reviewed-by: Jeff Sipek <redacted> --- drivers/ptp/ptp_vmw.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-)
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;
--
2.39.0