diff options
| -rw-r--r-- | hw/xen.h | 1 | ||||
| -rw-r--r-- | hw/xen_common.h | 12 | ||||
| -rw-r--r-- | hw/xen_console.c | 16 | ||||
| -rw-r--r-- | xen-all.c | 60 | ||||
| -rw-r--r-- | xen-stub.c | 4 |
5 files changed, 87 insertions, 6 deletions
@@ -41,6 +41,7 @@ qemu_irq *xen_interrupt_controller_init(void); int xen_init(void); int xen_hvm_init(void); void xen_vcpu_init(void); +void xenstore_store_pv_console_info(int i, struct CharDriverState *chr); #if defined(NEED_CPU_H) && !defined(CONFIG_USER_ONLY) void xen_ram_alloc(ram_addr_t ram_addr, ram_addr_t size); diff --git a/hw/xen_common.h b/hw/xen_common.h index 2c79af6..0409ac7 100644 --- a/hw/xen_common.h +++ b/hw/xen_common.h @@ -85,6 +85,18 @@ static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid, return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp); } +static inline struct xs_handle *xs_open(unsigned long flags) +{ + return xs_daemon_open(); +} + +static inline void xs_close(struct xs_handle *xsh) +{ + if (xsh != NULL) { + xs_daemon_close(xsh); + } +} + /* Xen 4.1 */ #else diff --git a/hw/xen_console.c b/hw/xen_console.c index 2d613ee..bdb8540 100644 --- a/hw/xen_console.c +++ b/hw/xen_console.c @@ -179,8 +179,9 @@ static void xencons_send(struct XenConsole *con) static int con_init(struct XenDevice *xendev) { struct XenConsole *con = container_of(xendev, struct XenConsole, xendev); - char *type, *dom; + char *type, *dom, label[32]; int ret = 0; + const char *output; /* setup */ dom = xs_get_domain_path(xenstore, con->xendev.dom); @@ -194,11 +195,14 @@ static int con_init(struct XenDevice *xendev) goto out; } - if (!serial_hds[con->xendev.dev]) - xen_be_printf(xendev, 1, "WARNING: serial line %d not configured\n", - con->xendev.dev); - else - con->chr = serial_hds[con->xendev.dev]; + output = xenstore_read_str(con->console, "output"); + /* output is a pty by default */ + if (output == NULL) { + output = "pty"; + } + snprintf(label, sizeof(label), "xencons%d", con->xendev.dev); + con->chr = qemu_chr_open(label, output, NULL); + xenstore_store_pv_console_info(con->xendev.dev, con->chr); out: qemu_free(type); @@ -737,6 +737,66 @@ static void cpu_handle_ioreq(void *opaque) } } +static int store_dev_info(int domid, CharDriverState *cs, const char *string) +{ + struct xs_handle *xs = NULL; + char *path = NULL; + char *newpath = NULL; + char *pts = NULL; + int ret = -1; + + /* Only continue if we're talking to a pty. */ + if (strncmp(cs->filename, "pty:", 4)) { + return 0; + } + pts = cs->filename + 4; + + /* We now have everything we need to set the xenstore entry. */ + xs = xs_open(0); + if (xs == NULL) { + fprintf(stderr, "Could not contact XenStore\n"); + goto out; + } + + path = xs_get_domain_path(xs, domid); + if (path == NULL) { + fprintf(stderr, "xs_get_domain_path() error\n"); + goto out; + } + newpath = realloc(path, (strlen(path) + strlen(string) + + strlen("/tty") + 1)); + if (newpath == NULL) { + fprintf(stderr, "realloc error\n"); + goto out; + } + path = newpath; + + strcat(path, string); + strcat(path, "/tty"); + if (!xs_write(xs, XBT_NULL, path, pts, strlen(pts))) { + fprintf(stderr, "xs_write for '%s' fail", string); + goto out; + } + ret = 0; + +out: + free(path); + xs_close(xs); + + return ret; +} + +void xenstore_store_pv_console_info(int i, CharDriverState *chr) +{ + if (i == 0) { + store_dev_info(xen_domid, chr, "/console"); + } else { + char buf[32]; + snprintf(buf, sizeof(buf), "/device/console/%d", i); + store_dev_info(xen_domid, chr, buf); + } +} + static void xenstore_record_dm_state(XenIOState *s, const char *state) { char path[50]; @@ -9,6 +9,10 @@ #include "qemu-common.h" #include "hw/xen.h" +void xenstore_store_pv_console_info(int i, CharDriverState *chr) +{ +} + int xen_pci_slot_get_pirq(PCIDevice *pci_dev, int irq_num) { return -1; |