diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h | 196 |
1 files changed, 135 insertions, 61 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h b/drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h index 4f40167ad61f..3c78e9338b54 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_msg_arm64.h @@ -34,6 +34,8 @@ #define VMWARE_HYPERVISOR_HB BIT(0) #define VMWARE_HYPERVISOR_OUT BIT(1) +#define VMWARE_HYPERVISOR_MAGIC 0x564D5868 + #define X86_IO_MAGIC 0x86 #define X86_IO_W7_SIZE_SHIFT 0 @@ -45,86 +47,158 @@ #define X86_IO_W7_IMM_SHIFT 5 #define X86_IO_W7_IMM_MASK (0xff << X86_IO_W7_IMM_SHIFT) -static inline void vmw_port(unsigned long cmd, unsigned long in_ebx, - unsigned long in_si, unsigned long in_di, - unsigned long flags, unsigned long magic, - unsigned long *eax, unsigned long *ebx, - unsigned long *ecx, unsigned long *edx, - unsigned long *si, unsigned long *di) +static inline +unsigned long vmware_hypercall1(unsigned long cmd, unsigned long in1) { - register u64 x0 asm("x0") = magic; - register u64 x1 asm("x1") = in_ebx; + register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; + register u64 x1 asm("x1") = in1; register u64 x2 asm("x2") = cmd; - register u64 x3 asm("x3") = flags | VMWARE_HYPERVISOR_PORT; - register u64 x4 asm("x4") = in_si; - register u64 x5 asm("x5") = in_di; + register u64 x3 asm("x3") = VMWARE_HYPERVISOR_PORT; + register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | + X86_IO_W7_WITH | + X86_IO_W7_DIR | + (2 << X86_IO_W7_SIZE_SHIFT); + asm_inline volatile ( + "mrs xzr, mdccsr_el0; " + : "+r" (x0) + : "r" (x1), "r" (x2), "r" (x3), "r" (x7) + : "memory"); + + return x0; +} + +static inline +unsigned long vmware_hypercall5(unsigned long cmd, unsigned long in1, + unsigned long in3, unsigned long in4, + unsigned long in5, u32 *out2) +{ + register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; + register u64 x1 asm("x1") = in1; + register u64 x2 asm("x2") = cmd; + register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; + register u64 x4 asm("x4") = in4; + register u64 x5 asm("x5") = in5; register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | X86_IO_W7_WITH | X86_IO_W7_DIR | (2 << X86_IO_W7_SIZE_SHIFT); - asm volatile("mrs xzr, mdccsr_el0 \n\t" - : "+r"(x0), "+r"(x1), "+r"(x2), - "+r"(x3), "+r"(x4), "+r"(x5) - : "r"(x7) - :); - *eax = x0; - *ebx = x1; - *ecx = x2; - *edx = x3; - *si = x4; - *di = x5; + asm_inline volatile ( + "mrs xzr, mdccsr_el0; " + : "+r" (x0), "+r" (x2) + : "r" (x1), "r" (x3), "r" (x4), "r" (x5), "r" (x7) + : "memory"); + + *out2 = x2; + return x0; } -static inline void vmw_port_hb(unsigned long cmd, unsigned long in_ecx, - unsigned long in_si, unsigned long in_di, - unsigned long flags, unsigned long magic, - unsigned long bp, u32 w7dir, - unsigned long *eax, unsigned long *ebx, - unsigned long *ecx, unsigned long *edx, - unsigned long *si, unsigned long *di) +static inline +unsigned long vmware_hypercall6(unsigned long cmd, unsigned long in1, + unsigned long in3, u32 *out2, + u32 *out3, u32 *out4, u32 *out5) { - register u64 x0 asm("x0") = magic; + register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; + register u64 x1 asm("x1") = in1; + register u64 x2 asm("x2") = cmd; + register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; + register u64 x4 asm("x4"); + register u64 x5 asm("x5"); + register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | + X86_IO_W7_WITH | + X86_IO_W7_DIR | + (2 << X86_IO_W7_SIZE_SHIFT); + + asm_inline volatile ( + "mrs xzr, mdccsr_el0; " + : "+r" (x0), "+r" (x2), "+r" (x3), "=r" (x4), "=r" (x5) + : "r" (x1), "r" (x7) + : "memory"); + + *out2 = x2; + *out3 = x3; + *out4 = x4; + *out5 = x5; + return x0; +} + +static inline +unsigned long vmware_hypercall7(unsigned long cmd, unsigned long in1, + unsigned long in3, unsigned long in4, + unsigned long in5, u32 *out1, + u32 *out2, u32 *out3) +{ + register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; + register u64 x1 asm("x1") = in1; + register u64 x2 asm("x2") = cmd; + register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT; + register u64 x4 asm("x4") = in4; + register u64 x5 asm("x5") = in5; + register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | + X86_IO_W7_WITH | + X86_IO_W7_DIR | + (2 << X86_IO_W7_SIZE_SHIFT); + + asm_inline volatile ( + "mrs xzr, mdccsr_el0; " + : "+r" (x0), "+r" (x1), "+r" (x2), "+r" (x3) + : "r" (x4), "r" (x5), "r" (x7) + : "memory"); + + *out1 = x1; + *out2 = x2; + *out3 = x3; + return x0; +} + +static inline +unsigned long vmware_hypercall_hb(unsigned long cmd, unsigned long in2, + unsigned long in3, unsigned long in4, + unsigned long in5, unsigned long in6, + u32 *out1, int dir) +{ + register u64 x0 asm("x0") = VMWARE_HYPERVISOR_MAGIC; register u64 x1 asm("x1") = cmd; - register u64 x2 asm("x2") = in_ecx; - register u64 x3 asm("x3") = flags | VMWARE_HYPERVISOR_PORT_HB; - register u64 x4 asm("x4") = in_si; - register u64 x5 asm("x5") = in_di; - register u64 x6 asm("x6") = bp; + register u64 x2 asm("x2") = in2; + register u64 x3 asm("x3") = in3 | VMWARE_HYPERVISOR_PORT_HB; + register u64 x4 asm("x4") = in4; + register u64 x5 asm("x5") = in5; + register u64 x6 asm("x6") = in6; register u64 x7 asm("x7") = ((u64)X86_IO_MAGIC << 32) | X86_IO_W7_STR | X86_IO_W7_WITH | - w7dir; - - asm volatile("mrs xzr, mdccsr_el0 \n\t" - : "+r"(x0), "+r"(x1), "+r"(x2), - "+r"(x3), "+r"(x4), "+r"(x5) - : "r"(x6), "r"(x7) - :); - *eax = x0; - *ebx = x1; - *ecx = x2; - *edx = x3; - *si = x4; - *di = x5; -} + dir; -#define VMW_PORT(cmd, in_ebx, in_si, in_di, flags, magic, eax, ebx, ecx, edx, \ - si, di) \ - vmw_port(cmd, in_ebx, in_si, in_di, flags, magic, &eax, &ebx, &ecx, \ - &edx, &si, &di) + asm_inline volatile ( + "mrs xzr, mdccsr_el0; " + : "+r" (x0), "+r" (x1) + : "r" (x2), "r" (x3), "r" (x4), "r" (x5), + "r" (x6), "r" (x7) + : "memory"); -#define VMW_PORT_HB_OUT(cmd, in_ecx, in_si, in_di, flags, magic, bp, eax, ebx, \ - ecx, edx, si, di) \ - vmw_port_hb(cmd, in_ecx, in_si, in_di, flags, magic, bp, \ - 0, &eax, &ebx, &ecx, &edx, &si, &di) + *out1 = x1; + return x0; +} -#define VMW_PORT_HB_IN(cmd, in_ecx, in_si, in_di, flags, magic, bp, eax, ebx, \ - ecx, edx, si, di) \ - vmw_port_hb(cmd, in_ecx, in_si, in_di, flags, magic, bp, \ - X86_IO_W7_DIR, &eax, &ebx, &ecx, &edx, &si, &di) +static inline +unsigned long vmware_hypercall_hb_out(unsigned long cmd, unsigned long in2, + unsigned long in3, unsigned long in4, + unsigned long in5, unsigned long in6, + u32 *out1) +{ + return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1, 0); +} +static inline +unsigned long vmware_hypercall_hb_in(unsigned long cmd, unsigned long in2, + unsigned long in3, unsigned long in4, + unsigned long in5, unsigned long in6, + u32 *out1) +{ + return vmware_hypercall_hb(cmd, in2, in3, in4, in5, in6, out1, + X86_IO_W7_DIR); +} #endif #endif /* _VMWGFX_MSG_ARM64_H */ |