forked from Minki/linux
drm/vmwgfx: Update the backdoor call with support for new instructions
Use the definition provided by include/asm/vmware.h Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Doug Covelli <dcovelli@vmware.com> Acked-by: Dave Airlie <airlied@redhat.com> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: dri-devel@lists.freedesktop.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: pv-drivers@vmware.com Cc: Thomas Gleixner <tglx@linutronix.de> Cc: VMware Graphics <linux-graphics-maintainer@vmware.com> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190828080353.12658-4-thomas_os@shipmail.org
This commit is contained in:
Thomas Hellstrom
Borislav Petkov
parent
b4dd4f6e36
commit
6abe3778cf
@ -46,8 +46,6 @@
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#define RETRIES 3
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#define VMW_HYPERVISOR_MAGIC 0x564D5868
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#define VMW_HYPERVISOR_PORT 0x5658
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#define VMW_HYPERVISOR_HB_PORT 0x5659
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#define VMW_PORT_CMD_MSG 30
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#define VMW_PORT_CMD_HB_MSG 0
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@ -93,7 +91,7 @@ static int vmw_open_channel(struct rpc_channel *channel, unsigned int protocol)
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VMW_PORT(VMW_PORT_CMD_OPEN_CHANNEL,
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(protocol | GUESTMSG_FLAG_COOKIE), si, di,
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VMW_HYPERVISOR_PORT,
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0,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -126,7 +124,7 @@ static int vmw_close_channel(struct rpc_channel *channel)
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VMW_PORT(VMW_PORT_CMD_CLOSE_CHANNEL,
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0, si, di,
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(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -160,7 +158,8 @@ static unsigned long vmw_port_hb_out(struct rpc_channel *channel,
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VMW_PORT_HB_OUT(
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(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
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msg_len, si, di,
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VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
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VMWARE_HYPERVISOR_HB | (channel->channel_id << 16) |
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VMWARE_HYPERVISOR_OUT,
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VMW_HYPERVISOR_MAGIC, bp,
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eax, ebx, ecx, edx, si, di);
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@ -181,7 +180,7 @@ static unsigned long vmw_port_hb_out(struct rpc_channel *channel,
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VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_SENDPAYLOAD << 16),
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word, si, di,
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VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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}
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@ -213,7 +212,7 @@ static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply,
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VMW_PORT_HB_IN(
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(MESSAGE_STATUS_SUCCESS << 16) | VMW_PORT_CMD_HB_MSG,
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reply_len, si, di,
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VMW_HYPERVISOR_HB_PORT | (channel->channel_id << 16),
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VMWARE_HYPERVISOR_HB | (channel->channel_id << 16),
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VMW_HYPERVISOR_MAGIC, bp,
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eax, ebx, ecx, edx, si, di);
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@ -230,7 +229,7 @@ static unsigned long vmw_port_hb_in(struct rpc_channel *channel, char *reply,
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VMW_PORT(VMW_PORT_CMD_MSG | (MSG_TYPE_RECVPAYLOAD << 16),
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MESSAGE_STATUS_SUCCESS, si, di,
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VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -269,7 +268,7 @@ static int vmw_send_msg(struct rpc_channel *channel, const char *msg)
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VMW_PORT(VMW_PORT_CMD_SENDSIZE,
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msg_len, si, di,
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VMW_HYPERVISOR_PORT | (channel->channel_id << 16),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -327,7 +326,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
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VMW_PORT(VMW_PORT_CMD_RECVSIZE,
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0, si, di,
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(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -371,7 +370,7 @@ static int vmw_recv_msg(struct rpc_channel *channel, void **msg,
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VMW_PORT(VMW_PORT_CMD_RECVSTATUS,
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MESSAGE_STATUS_SUCCESS, si, di,
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(VMW_HYPERVISOR_PORT | (channel->channel_id << 16)),
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channel->channel_id << 16,
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VMW_HYPERVISOR_MAGIC,
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eax, ebx, ecx, edx, si, di);
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@ -32,6 +32,7 @@
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#ifndef _VMWGFX_MSG_H
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#define _VMWGFX_MSG_H
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#include <asm/vmware.h>
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/**
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* Hypervisor-specific bi-directional communication channel. Should never
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@ -44,7 +45,7 @@
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* @in_ebx: [IN] Message Len, through EBX
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* @in_si: [IN] Input argument through SI, set to 0 if not used
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* @in_di: [IN] Input argument through DI, set ot 0 if not used
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* @port_num: [IN] port number + [channel id]
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* @flags: [IN] hypercall flags + [channel id]
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* @magic: [IN] hypervisor magic value
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* @eax: [OUT] value of EAX register
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* @ebx: [OUT] e.g. status from an HB message status command
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@ -54,10 +55,10 @@
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* @di: [OUT]
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*/
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#define VMW_PORT(cmd, in_ebx, in_si, in_di, \
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port_num, magic, \
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flags, magic, \
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eax, ebx, ecx, edx, si, di) \
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({ \
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asm volatile ("inl %%dx, %%eax;" : \
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asm volatile (VMWARE_HYPERCALL : \
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"=a"(eax), \
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"=b"(ebx), \
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"=c"(ecx), \
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@ -67,7 +68,7 @@
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"a"(magic), \
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"b"(in_ebx), \
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"c"(cmd), \
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"d"(port_num), \
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"d"(flags), \
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"S"(in_si), \
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"D"(in_di) : \
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"memory"); \
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@ -85,7 +86,7 @@
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* @in_ecx: [IN] Message Len, through ECX
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* @in_si: [IN] Input argument through SI, set to 0 if not used
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* @in_di: [IN] Input argument through DI, set to 0 if not used
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* @port_num: [IN] port number + [channel id]
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* @flags: [IN] hypercall flags + [channel id]
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* @magic: [IN] hypervisor magic value
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* @bp: [IN]
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* @eax: [OUT] value of EAX register
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@ -98,12 +99,12 @@
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#ifdef __x86_64__
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#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \
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port_num, magic, bp, \
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flags, magic, bp, \
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eax, ebx, ecx, edx, si, di) \
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({ \
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asm volatile ("push %%rbp;" \
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"mov %12, %%rbp;" \
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"rep outsb;" \
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VMWARE_HYPERCALL_HB_OUT \
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"pop %%rbp;" : \
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"=a"(eax), \
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"=b"(ebx), \
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@ -114,7 +115,7 @@
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"a"(magic), \
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"b"(cmd), \
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"c"(in_ecx), \
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"d"(port_num), \
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"d"(flags), \
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"S"(in_si), \
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"D"(in_di), \
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"r"(bp) : \
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@ -123,12 +124,12 @@
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#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di, \
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port_num, magic, bp, \
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flags, magic, bp, \
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eax, ebx, ecx, edx, si, di) \
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({ \
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asm volatile ("push %%rbp;" \
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"mov %12, %%rbp;" \
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"rep insb;" \
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VMWARE_HYPERCALL_HB_IN \
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"pop %%rbp" : \
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"=a"(eax), \
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"=b"(ebx), \
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@ -139,7 +140,7 @@
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"a"(magic), \
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"b"(cmd), \
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"c"(in_ecx), \
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"d"(port_num), \
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"d"(flags), \
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"S"(in_si), \
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"D"(in_di), \
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"r"(bp) : \
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@ -157,13 +158,13 @@
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* just pushed it.
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*/
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#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, \
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port_num, magic, bp, \
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flags, magic, bp, \
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eax, ebx, ecx, edx, si, di) \
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({ \
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asm volatile ("push %12;" \
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"push %%ebp;" \
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"mov 0x04(%%esp), %%ebp;" \
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"rep outsb;" \
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VMWARE_HYPERCALL_HB_OUT \
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"pop %%ebp;" \
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"add $0x04, %%esp;" : \
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"=a"(eax), \
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@ -175,7 +176,7 @@
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"a"(magic), \
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"b"(cmd), \
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"c"(in_ecx), \
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"d"(port_num), \
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"d"(flags), \
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"S"(in_si), \
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"D"(in_di), \
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"m"(bp) : \
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@ -184,13 +185,13 @@
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#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di, \
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port_num, magic, bp, \
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flags, magic, bp, \
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eax, ebx, ecx, edx, si, di) \
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({ \
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asm volatile ("push %12;" \
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"push %%ebp;" \
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"mov 0x04(%%esp), %%ebp;" \
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"rep insb;" \
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VMWARE_HYPERCALL_HB_IN \
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"pop %%ebp;" \
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"add $0x04, %%esp;" : \
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"=a"(eax), \
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@ -202,7 +203,7 @@
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"a"(magic), \
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"b"(cmd), \
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"c"(in_ecx), \
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"d"(port_num), \
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"d"(flags), \
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"S"(in_si), \
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"D"(in_di), \
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"m"(bp) : \
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